• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
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  • 优先权
    • 专利摘要:
    PURPOSE: A method and a device for securing location tracking of a wireless mobile station, having a location tracking system for deciding the location of the wireless mobile station, are provided to allow information on the location of the wireless mobile station not to be selectively transmitted. CONSTITUTION: A location privacy flag, indicating whether information on the location of a wireless mobile station is not transmitted, is set up. A value of the location privacy flag, deciding whether the information on the location of the wireless mobile station is not transmitted, is tested. If the value of the location privacy flag indicates a value indicating that the information on the location of the wireless mobile station is not transmitted, the information on the location of the wireless mobile station is not transmitted.
    公开号:KR20010061954A
    申请号:KR1020000070344
    申请日:2000-11-24
    公开日:2001-07-07
    发明作者:모레스브르안제이；헤르레수드힌드라피.
    申请人:윤종용；삼성전자 주식회사；
    IPC主号:
    专利说明:

    LOCATION PRIVACY APPARATUS AND METHOD IN WIRELESS MOBILE STATIONS}
    [4] The present invention relates generally to wireless communication systems, and more particularly, to an apparatus and method for selectively transmitting information about the location of a wireless mobile station.
    [5] Reliable forecasts are predicted that by 2000 cellular phone users will reach 300 million. In the United States, cellular services are provided by cellular service providers, local Bell, and state long-range operators. A step ahead of the competition has lowered the price of cellular services to a point where a significant portion of the population can use it.
    [6] Current cellular telephones are primarily used for voice conversations between callers using subscriber handsets (wireless mobile stations) and other callers using the same kind of subscriber handsets. Voice conversations take place over a wireless network. Fewer wireless mobile stations are data equipment such as personal computers (PCs) equipped with cellular / wireless modems. Since the bandwidth of current wireless mobile stations is generally limited to tens of kilometers per second (Kbps), applications for current wireless mobile stations are relatively limited.
    [7] However, changes are expected in the next generation (or third generation) cellular / wireless technology, also called "3rd Generation" cellular / wireless technology, where a large bandwidth (125 kbps or more) is allowed for each wireless mobile station. Higher data rates will make the Internet application for wireless mobile stations more general. For example, a 3G cell phone (or a PC with a 3G cellular modem) will be used to browse websites on the Internet, send and receive graphics, run audio and / or video applications, and so on. In summary, much more of the wireless traffic handled by 3G cellular systems will be Internet Protocol (IP) traffic and typical voice traffic will be smaller.
    [8] The availability of larger bandwidths is making new features available for mobile stations. One of the new features that are beginning to appear in mobile stations is the Global Positioning System (GPS). The GPS is well known as a satellite based system which determines the geographical position of the sender by latitude and longitude. In a wireless mobile station, the GPS receiver terminal can receive signals from several GPS satellites and determine the position of the wireless mobile station in units of several meters.
    [9] Information about the location, expressed in latitude and longitude of the mobile station from the GPS receiver terminal, will be displayed on the display terminal of the wireless mobile station. The location information from the GPS terminal will be very useful for the mobile station user. For example, if a subscriber of a wireless mobile station gets lost in the wilderness, the GPS receiver terminal of the wireless mobile station will provide the subscriber with the exact location of the subscriber. If the subscriber has had a car accident or other similar accident in a rural area without a road name, the user can ask for help and provide the exact location of the accident. If the subscriber is associated with an accident or emergency, the user can call an emergency number, such as 119, and the GPS receiver terminal of the wireless mobile station will provide accurate location information for the mobile station.
    [10] The location of the wireless mobile station may also be of interest to the operator of the wireless network. If a wireless network operator wants to check the strength of the signal that mobile stations receive from base station transmitters, knowing the exact distance from each wireless mobile station to the nearest base station transmitter would be advantageous for the operator. To obtain this information, the operator can signal each GPS terminal to transmit to the operator the exact location of the wireless mobile station where the GPS is located.
    [11] GPS is a specific example of a location tracking system that can locate a wireless mobile station. There are other types of location tracking systems that can locate these wireless mobile stations.
    [12] Many wireless mobile station users will not want to allow wireless network operators (or other parts) to track their location. Many users believe that the exact location of their wireless mobile station as determined by the location tracking system is personal information and will not be disclosed to anyone without their consent. As the number of wireless mobile stations equipped with a location tracking system increases over time, the number of users who wish to control the exposure of their wireless mobile stations is expected to increase significantly.
    [13] Accordingly, there is a need for an apparatus and method for selectively disabling the transmission of information related to the location of a mobile radio station in a wireless mobile station equipped with a location tracking system having the ability to determine the location of the radio mobile station. Users of the wireless mobile station may have the ability to selectively transmit the location of the wireless mobile station to callers authorized to track the location of the wireless mobile station, since the user of the wireless mobile station may wish to transmit the location of the wireless mobile station. It is also necessary. This is especially true where an emergency exists and when the user wants his location known immediately.
    [14] If a wireless mobile station is lost or stolen, it is necessary to have a code stored at the wireless mobile station that can be used to cause the wireless mobile station to transmit its location to the nearest base station. In this case, the user will connect with the base station operator and provide the user's code to the base station operator. The base station operator will then track the wireless mobile station by sending a code that invalidates the privacy function for location tracking. If the user retrieves a lost or stolen wireless mobile station, then the user will change the code and maintain the privacy of the wireless mobile station's location as before.
    [15] The ultimate object of the present invention to address the above-mentioned needs is to not selectively transmit information about the location of a wireless mobile station for the use of a wireless mobile station of the kind having a location tracking system capable of determining the location of the wireless mobile station. It is to provide an apparatus and a method for preventing the loss.
    [16] It is another object of the present invention to provide a control circuit having a positioning privacy flag for determining whether or not to transmit information regarding the position of the wireless mobile station and a control circuit of the wireless mobile station constituting a memory terminal. will be.
    [17] It is yet another object of the present invention to provide a list of telephone numbers that are authorized to be authorized to receive information about the location of the wireless mobile station in the wireless mobile station.
    [18] It is a further object of the present invention to provide a list of emergency telephone numbers which are authorized for a wireless mobile station to always automatically receive information regarding the location of the wireless mobile station.
    [19] It is a further object of the present invention to provide a control circuit in a wireless mobile station which can cause the wireless mobile station to send a null code or null message indicating that no information regarding the location of the wireless mobile station is being transmitted.
    [20] It is a further object of the present invention to provide a control circuit in a wireless mobile station capable of receiving a code for causing the wireless mobile station to transmit information about the location of the wireless mobile station.
    [21] It is a further object of the present invention to provide a control circuit in a wireless mobile station for determining whether the code transmitted and received by the wireless mobile station is a code authorizing the transmission of information about the location of the wireless mobile station.
    [22] It is a further object of the present invention to provide a control circuit for recording the date and time when the location tracking privacy function of the present invention is activated and deactivated.
    [23] Another object of the present invention is to provide a control circuit capable of selectively transmitting a replaceable other position of a wireless mobile station instead of transmitting the current position of the wireless mobile station.
    [24] It is still another object of the present invention to provide a method for selectively transmitting information about the position of a wireless mobile station in a wireless mobile station of a kind equipped with a positioning system capable of tracking the wireless mobile station.
    [1] 1 illustrates an exemplary wireless network in accordance with an embodiment of the present invention.
    [2] 2 is a block diagram of a wireless mobile station circuit constituting an apparatus according to an embodiment of the present invention.
    [3] 3 is a flow diagram illustrating the logic of operation of the apparatus of one embodiment of the present invention.
    [25] The foregoing is a detailed description of the invention that follows, and rather broadly outlines the features and technical advantages of the present invention in order that the invention may be better understood. The features and advantages of the invention to be added will be described below, which makes up the claimed subject matter. It should be understood by those skilled in the art that the concepts and specific embodiments found as a basis for modification and design to other structures for carrying out the same purposes as the present invention may already be used. Those skilled in the art should also realize that equivalent structures thereof are not separated from the concept and scope of the invention in its broadest form.
    [26] As used herein, "controller" refers to an element, system, or portion thereof that controls at least one operation, and such an element may be implemented in hardware, firmware, software, or a combination of two or more thereof. It should be mentioned whether the function associated with any particular controller is centralized, distributed, close or remote. Definitions of specific words and phrases are involved throughout this patent document, and the general functions of this technology should be understood in many ways without examples, and such definitions not only correspond to the previous ones, Use phrases.
    [27] 1-3 and the various embodiments used to describe the principles of the invention in this patent document are illustrative only and should not be assumed to be a way of limiting the scope of the invention. Those skilled in the art will appreciate that the principles of the present invention may be implemented in a suitably deployed wireless mobile station.
    [28] 1 illustrates a typical wireless network 100 in accordance with an embodiment of the present invention. The wireless telephone network 100 includes a plurality of cell sites 121 to 123 each including a base station (BS) 101, a base station 102, or one of the base stations of the base station 103. Base stations 101-103 may be operable to communicate with a number of mobile stations (MS) 111-114. The wireless mobile stations 111-114 will be suitable wireless communications equipment including commercial cellular telephones, personal communication service (PCS) portable equipment, portable computers, metering equipment and the like.
    [29] The dotted line shows the approximate boundary of the cell sites 121 to 123 where the base stations 101 to 103 are located. Cell sites are outlined in a circle for illustrative and illustrative purposes only. It should be clearly understood that cell sites may have irregular shapes depending on the cell morphology selected and nature and artificial obstructions.
    [30] In an embodiment of the present invention, the base station BS 101, the base station BS 102, and the base station BS 103 will include a base station controller (BSC) and a base transceiver subsystem (BTS). Base station controllers and base transceiver stations are well known to those skilled in the art. A base station controller is equipment that manages wireless communication resources including base transceiver stations for specific cells between wireless communication networks. The base transceiver station encompasses radio frequency (RF) transceivers, antennas, and other electronic equipment located at each cell site. The equipment will include terminals for controlling air condition, heating terminals, electrical supply, telephone line interface, and call request processing circuits, as well as RF transmitters and RF receivers.
    [31] For the sake of simplicity and clarity in describing the operation of the present invention, the base stations of the 121, 122, and 123 cells and the base station controllers associated with the respective base stations are collectively represented by the base station 101, the base station 102, and the base station 103, respectively.
    [32] Base station 101, base station 102 and base station 103 deliver voice and signals to each other and to a public switched telephone system (not shown) and Mobile Switching Center (MSC) 140 via communication line 131. Mobile switching center 140 is a switching equipment that provides service and matching between subscribers of a wireless network and external networks such as a public telephone system. The communication line 131 may be suitable connection methods including a T1 line, a T3 line, an optical fiber line, a network backbone connection, and the like. In some embodiments of the present invention, communication line 131 may be several different data links, each data link being BS 101, BS 102, or BS 103 coupled to mobile switching center 140.
    [33] In a typical wireless network 100, mobile station 111 is located at cell site 121 to communicate with base station 101, mobile station 113 is located at cell site 122 to communicate with base station 102, and mobile station 114 is located at cell site 123 to communicate with base station 103. . Mobile station 112 is also located at cell site 121 proximate the edge of cell site 123. Arrows close to the mobile station 112 indicate the movement of the mobile station 112 toward the cell site 123. At some point, a "handoff" will occur as the mobile station 112 moves out of the cell site 121 as it moves to the cell site 123.
    [34] As is well known, the "handoff" procedure is to transfer call control from the first cell to the second cell. For example, if the mobile station 112 is in communication with BS 101 and detects that the signal from base station 101 is weakening unacceptably, the mobile station 112 switches to a base station with a stronger signal, such as the signal transmitted by base station 103. Will be. The mobile station 112 and the base station 103 form a new communication link to transmit voice, data, or control signals that continue through the base station 103, and the signals are transmitted to the base station 101 and the public telephone network. In this way, the call is disconnected and is transmitted from the base station 101 to the base station 103 without any following phenomenon.
    [35] An "idle" handoff is a handoff between cells of a wireless mobile station that is communicating on a control or paging channel, rather than a handoff transmitting voice and / or data signals on a regular transport channel. In the following description, the wireless mobile station MS 112 will be in communication with a wireless network base station BS 103.
    [36] 2 shows a block diagram illustrating a circuit of a wireless mobile station 112 with the mobile station name omitted for convenience. The wireless mobile station 112 includes an RF Transceiver 210 coupled with an antenna 205 for receiving an up channel signal from the wireless network base station BS 103 and sending a down channel signal to the wireless network base station BS 103, as is a well known principle.
    [37] The RF transceiver 210 is in turn coupled with a Receive Processing Circuitry 225 coupled to the speaker 230 and the Main Controller 240. The main controller 240 is in turn coupled to a transmit processing circuitry 215 coupled to a microphone 220 and an RF transceiver 210. The main controller 240 controls the reception of the up channel signal and the transmission of the down channel signal in accordance with well known principles. The main controller 240 is also coupled to the I / O interface 245, keypad 250 and display terminal 255. The main controller 240 controls the transmission of signals from and to the elements in a manner well known in the art.
    [38] A magnetic positioning system (GPS) receiver 260 is coupled to the main controller 240. Magnetic location tracking system 260 is well known for determining the geographical location of mobile station 112 in longitude and latitude. When determined to determine the geographic location by the main controller 240, the magnetic location tracking system 260 receives GPS signals from two or more GPS satellites via the RF transceiver 210 and receiver processing circuitry 225. The magnetic location tracking system 260 uses the received GPS signals to determine latitude and longitude using well known techniques. The latitude and longitude of the wireless mobile station 112 is displayed on the display terminal 255 to be known to the user.
    [39] The user of the wireless mobile station 112 will initiate a request for location information at some time by accessing the location tracking request menu (not shown) of the display terminal 255 and typing a request on the keypad 250.
    [40] Magnetic location tracking system 260 is one particular example of a location tracking system capable of tracking the location of a wireless mobile station. Other kinds of location tracking systems may also track the location of the wireless mobile station. For example, the IS-801 communication standard (formerly known as the PN4535 communication standard) can be defined by messages that the wireless mobile station and the wireless network require information from, respectively, to enable the wireless network to determine the location of the wireless mobile station. Can be.
    [41] A preferred embodiment of the present invention will be seen and described in a magnetic location tracking system which is a location tracking system. However, it should be understood that the present invention is not limited to use in a wireless mobile station having a self positioning system. The present invention has a wireless location tracking system that (1) requires a wireless mobile station to determine location, or (2) requires the wireless mobile station to send at least some information to the wireless network to determine the location of the wireless mobile station. It will be used in a wireless mobile station.
    [42] In order to control the transmission of information regarding the location of the wireless mobile station 112, the wireless mobile station 112 includes a memory terminal 265 coupled to the main control unit 240. As shown in FIG. 2, the preferred embodiment of the memory terminal 265 includes seven lower terminals. The first lower terminal is the Basic Operating System 271. The basic operating system 271 includes portions of memory terminal 265 that are connected by the main controller 240 during the routine operation of the wireless mobile station 112.
    [43] The second lower terminal of the memory terminal is the LocationPrivacy Flag 272. The location tracking privacy flag 272 may optionally be set such that the wireless mobile station does not transmit information about the location of the wireless mobile station 112. The user may selectively set the value of the location tracking privacy flag 272 by entering data through the keypad 250 for the menu displayed on the display terminal 255. For example, the user may write the word "no" on the keypad in response to a question in the transmission status menu on the display terminal 255 asking whether the location information is to be transmitted. If the user later wishes to allow the transmission of location information, the user may write the word "yes" in response to the same question in the transmission status menu. When the user makes this replacement, the main controller 240 updates the status of the tracking privacy flag 272 at memory terminal 265.
    [44] Whenever the main controller 240 is ready for communication for transmission via the transmit processing circuit 215 and the RF transceiver 210 and the antenna, the main controller 240 first tests the state of the location privacy flag 272. If the location privacy flag 272 indicates that location information is to be sent, then the communication will be sent with latitude and longitude information about the location of the wireless mobile station 112 received from the self-location system 260.
    [45] If the value of the location privacy flag 272 indicates that location information is not sent, then the communication will be sent without any information about the location of the wireless mobile station 112.
    [46] The third lower terminal of the memory terminal 265 is a null code unit 273. The null code terminal 273 contains a code indicating that the wireless mobile station 112 does not transmit information regarding the location of the wireless mobile station 112. For null code terminal 273 the code will generally be a binary number such as "000111" or other similar number. When the main controller 240 transmits without including information about the location of the wireless mobile station 112, the main controller 240 connects the code at the null code terminal 273 of the memory 265 and transmits the code at the null code terminal 273.
    [47] In another embodiment of the present invention, null code terminal 273 includes a string indicating that wireless mobile station 112 does not transmit information regarding the location of wireless mobile station 112. For example, a string included between null code terminals 273 may write a letter of a message such as "null" or "not sent" or similar. In this alternative embodiment of the invention, the user can change the string in null code terminal 273 by typing a new string on keypad 250 in response to a question about the transmission status menu at display terminal 255.
    [48] In some cases, the base station may be programmed not to accept a null code (or other message) indicating that no location information is transmitted. For example, due to the failure to transmit the location information programmed by the base station BS 103, the base station BS 103 may cause the wireless mobile station 112 to terminate the connection with the wireless network 100.
    [49] In this case, to avoid this result, the preferred embodiment of the present invention prepares and sends surrogate location information. The surrogate position information is prepared by obtaining current position information from the magnetic positioning system 260 and changing the information before it is transmitted. This surrogate position information is prepared by the main controller 240. The surrogate location information will be stored at null code terminal 273 because the surrogate location information is sent when the null code is not accepted for the base station.
    [50] A base station programmed to not accept a null code (or other message) would be expected to receive location information giving the latitude and longitude of the location within the base station cell site. Thus, the surrogate location information for the wireless mobile station 112 will perfectly track the wireless mobile station 112 in this current cell site. This will be accomplished by converting the values of latitude and longitude into relatively small amounts.
    [51] Since the magnetic location tracking system 260 is accurate in a few meters, the amount of conversion required to convert the actual location information will be small within 100 yards (100 yds) and provide the user with appropriate location privacy. The amount of translation required to translate the actual location information will range from 100 yards (100 yds) to 10 miles (10 mi) depending on the cell site size involved. In each case the amount of conversion can be chosen as needed. The main controller 240 will be programmed to make the appropriate conversion amount in each case.
    [52] In a preferred embodiment of the present invention, the user can select the amount of conversion required to convert the actual location information that generates the surrogate location information to be transmitted. The user may type letters or numbers (or a combination of letters and numbers) on the keypad 250 in response to a question in a substitute location menu (not shown) on the display terminal 255 asking questions about the amount of conversion. For example, the user can write in "100 yards north" and this input will cause the surrogate location to be reported as 100 yards (100 yds) north of the actual location.
    [53] Later, if the user wants to change the translation amount for the actual position information required to generate the surrogate position information, the user can access the surrogate position menu and enter a new value for the translation amount. When the user makes this change, the main controller 240 updates the current value for the conversion amount of the null code terminal 273 in the memory terminal 265.
    [54] The fourth lower terminal of memory terminal 265 is emergency number list 274. The telephone numbers in the emergency number list 274 are local telephone numbers that provide emergency services, such as emergency medical services, police services, fire services, and similar services. The best known emergency number in many parts of Korea is 119. The user of the wireless mobile system 112 may add his own emergency numbers to the emergency number list 274. Each emergency number in the emergency number list 274 is always authorized to receive information regarding the location of the wireless mobile station 112. That is, the call or communication of one of the emergency telephone numbers causes the main controller 240 to transmit information regarding the location of the wireless mobile station 112.
    [55] The fifth lower terminal of memory terminal 265 is the Privately Handled Number Directory 275. The telephone numbers of the special handling number list 275 are telephone numbers that the user has decided to authorize to receive location information of the wireless mobile station in advance. The term "phone number" (used to describe the contents of Special Handling Number List 275) refers to a commercial telephone number for voice calls, as well as data communications such as IP addresses, email addresses, website addresses, URLs, and so on. It also includes the meaning of "phone number", which is a combination of letters and numbers. The user of the wireless mobile station system 112 can add or delete telephone numbers in the special handling number list 275 at any time. Thus, a call with one of the special handling telephone numbers will cause the location control 240 to transmit location information if necessary. Special Handling Telephone Numbers The maintenance of special handling telephone numbers in Listing 275 is always at the discretion of the user.
    [56] The sixth lower terminal of the memory terminal 265 is a code authorization terminal 276. The code right terminal 276 may invalidate the location privacy function of the present invention in situations where the wireless mobile station 112 is lost or stolen. In this case, the user must have a code stored in the wireless mobile station 112 that can cause the wireless mobile station 112 to transmit location information to the nearest base station. This code causes this transmission to occur even though the value of the location privacy flag 272 is such that the wireless mobile station 112 does not transmit the location information.
    [57] In a preferred embodiment of the present invention, the user may place a user select code at code permission terminal 276. The user may enter letters or numbers (or a combination of letters and numbers) on the keypad 250 in response to a code entry menu question on the display terminal 255. If the user later wants to convert the code of the code permission terminal 276, the user can access the code input menu and enter a new code in response to the same question of the menu company. When the user makes this change, the main controller 240 updates the current code of the code permission terminal to memory terminal 265.
    [58] If the wireless mobile station 112 is lost or stolen, the user will connect the base station operator and provide the user code to the base station operator. The base station operator then sends a code that can invalidate the location privacy characteristics. When the main controller 240 receives the transmitted code, the main controller 240 compares the transmitted code with the code stored in the code authorization terminal 276 of the memory terminal 265. If the transmitted code matches the stored code, then the main controller 240 causes the positioning system 260 to determine the location of the wireless mobile station 112. The master controller 240 will then transmit the location of the wireless mobile station 112. In this way, the location of the wireless mobile station 112 may be determined by the base station operator and the user.
    [59] In addition to base station directional transmission of the code, the code can be sent to the wireless mobile station 112 via communications such as, without limitation, voice telephone, data telephone, e-mail, Short Message Service (SMS) message, wireless LAN connection, and the like.
    [60] In another embodiment of the present invention a special "noisy" code is utilized if the wireless mobile station is lost or stolen. "Noise" codes continue to produce loud noise, vibration, and light or similar operations on liquid crystal crystal displays, making wireless mobile stations unusable. The use of a "noise" code that causes these actions will cause the lost wireless mobile station to draw attention. In addition, the use of a "noise" code that causes these actions will attract the owner of the stolen wireless mobile station.
    [61] The seventh lower terminal of the memory terminal 265 is a privacy flag record 277. The privacy flag record 277 records each occurrence time and date for the action or non-action of the position privacy flag 272. Information stored in the privacy flag record 277 is allowed to the main controller 240. The user can access the information of the privacy flag record by writing a command on the keypad to indicate the information in the privacy flag record 277 on the display terminal 255. Alternatively, a user may enter a command on keypad 250 to send the information in privacy flag record 277 to another output element via I / O interface 245.
    [62] 3 is a flowchart describing the operational logic of the apparatus of the preferred embodiment of the present invention. In decision step 305, the main controller 240 determines whether a valid higher code has been received. The main controller 240 compares the transmitted code with the code stored at the code permission terminal 276 of the memory terminal 265. If the transmitted code matches the stored code, a valid higher code is received and the main controller 240 performs an operation step 350 that allows the positioning system 260 to determine the location of the wireless mobile station 112. Operation step 360 causes wireless mobile station 112 to transmit location information.
    [63] A valid higher code must accept each higher request for location information about location information. That is, after an upper request with a valid higher code is accepted and the location information is sent, the next higher request will either have a valid higher code or will not transmit the location information.
    [64] If no valid high code has been received, determination operation 310 determines whether the call in progress is an emergency call. The main controller 240 compares the telephone number being called for the call with the telephone number of the emergency number list 274 of the memory terminal 265. If the telephone number being called for is matched with one of the emergency telephone numbers, then the primary controller 240 performs an operation step 350 that causes the location tracking system 260 to determine the location of the wireless mobile station 112. Operation step 360 causes the wireless mobile station to transmit location information.
    [65] If the emergency number is not being called, determination operation 320 determines whether the call being generated is a special handling call. The main controller 240 compares the telephone number being called with the telephone number of the special handling number list 275 of the memory terminal 265. As before, the term "telephone number" herein refers to both commercial telephone numbers for voice calls and telephone numbers of letter and number combinations for data communication. If the telephone number being called matches one of the special handling telephone numbers, the main controller 240 performs an operation step 350 that allows the positioning system 260 to determine the position of the wireless mobile station 112. Operation step 360 causes the wireless mobile station 112 to transmit location information.
    [66] If the special handling telephone number is not being called, decision operation 330 determines whether the location privacy operation is being acted upon. The master controller 240 tests the value of the location privacy flag 272 of the memory terminal 265 to determine whether or not information regarding the location of the wireless mobile station is to be transmitted. If the location information is to be transmitted, then the main controller 240 performs an operation step 350 to cause the location tracking system 265 to determine the location of the wireless mobile station 112. Operation step 360 causes the wireless mobile station 112 to transmit location information.
    [67] If the location privacy function is enabled and no location information is being transmitted, then the discrimination function 340 determines whether or not the base station accepts a null code (or "null message" with no local information transmitted). . If a null code (or null message) is accepted by the base station, operation step 390 sends a null code (or null message) to the base station.
    [68] If a null code (or null message) is not accepted at the base station, the primary controller 240 performs an operation step 370 to prepare a surrogate location for transmission by the wireless mobile station 112. Operation step 380 causes the wireless mobile station 112 to transmit the surrogate location.
    [69] The location privacy feature of the present invention also works when the wireless mobile station 112 is at rest. The dormant state occurs when the wireless mobile station 112 is powered but the user is not transmitting or receiving. During idle, the wireless mobile station 112 is in communication with the base station 103 to handle regular functions, such as to form a "pause" handoff between cell sites, as described above. If the user has set the location privacy flag 272 to have the location privacy function, the location privacy flag 272 remains set and the location information cannot be transmitted while the wireless mobile station 112 is in the idle mode.
    [70] There may be cases where a user wants to enable location tracking for voice calls and not have location tracking in data communications. The opposite is also true. There may be times when a user wants to enable location tracking for data communications and not have location tracking for voice calls. Operation of these modes will be accompanied by setting and testing independent additional location privacy status flags for data and voice calls to memory terminal 265 in the same manner as described above for location privacy flag 272.
    [71] There will also be cases where the user wishes to have location privacy for one or several specific kinds of calls (e.g., e-mail). This mode of operation is the same as described above for location privacy flag 272, and the setting of one or more independent additional location privacy status flags (status flags for each particular type of call) for data and voice calls to memory terminal 265. The test will be accompanied.
    [72] If a wireless mobile station is lost or stolen, it is necessary to have a code stored at the wireless mobile station that can be used to cause the wireless mobile station to transmit its location to the nearest base station. In this case, the user will connect with the base station operator and provide the user's code to the base station operator. The base station operator will then track the wireless mobile station by sending a code that invalidates the privacy function for location tracking. If the user retrieves a lost or stolen wireless mobile station, then the user will change the code and maintain the privacy of the wireless mobile station's location as before.
    [73] Although the present invention has been described in detail, those skilled in the art should appreciate that it is possible to make various applications, substitutes, and substitutes without departing from its broadest concept and scope.
    [74] The present invention thus avoids selectively transmitting information about the location of the wireless mobile station for use of a kind of wireless mobile station having a location tracking system capable of determining the location of the wireless mobile station. In addition, in case of a higher request or an emergency call, information on the location of the wireless mobile station can be transmitted, so that the user can maintain his privacy if he does not want it.
    权利要求:
    Claims (20)
    [1" claim-type="Currently amended] A wireless mobile station equipped with a location tracking system capable of tracking a location,
    And control circuitry that can be selectively set to not transmit information about the location of the wireless mobile station.
    [2" claim-type="Currently amended] 2. The apparatus of claim 1, wherein the control circuit comprises a controller and a memory terminal coupled to the controller, the memory terminal being positioned to selectively set the wireless mobile station not to transmit information about the location of the wireless mobile station. Device containing a privacy flag.
    [3" claim-type="Currently amended] 3. The apparatus of claim 2, wherein the location privacy function control circuit further comprises an emergency number list comprising emergency telephone numbers for location tracking authorized to receive location information of the wireless mobile station.
    [4" claim-type="Currently amended] 3. The apparatus of claim 2, wherein the memory terminal further comprises a special handling number list comprising telephone numbers for location tracking authorized to receive location information of the wireless mobile station.
    [5" claim-type="Currently amended] 2. The apparatus of claim 1, wherein the location privacy function control circuit is capable of receiving a code to cause the wireless mobile station to transmit information regarding the location of the wireless mobile station.
    [6" claim-type="Currently amended] 2. The apparatus of claim 1, wherein the position privacy function control circuit is capable of transmitting a null code when no transmission of information about the location of the wireless mobile station is made.
    [7" claim-type="Currently amended] 2. The apparatus of claim 1, wherein the location privacy function control circuit is capable of transmitting a null message when no transmission of information regarding the location of the wireless mobile station is made.
    [8" claim-type="Currently amended] 2. The apparatus of claim 1, wherein the position privacy function control circuit is capable of transmitting a surrogate position instead of the actual position of the wireless mobile station.
    [9" claim-type="Currently amended] A transceiver capable of receiving an up channel signal from a wireless network base station and transmitting a down channel signal to the wireless network base station;
    A location tracking system capable of determining the location of the wireless mobile station and a control circuit selectively configured to not transmit information about the location of the wireless mobile station.
    [10" claim-type="Currently amended] 10. The apparatus of claim 9, wherein the control circuit includes a memory terminal coupled with the controller, the memory terminal having a location privacy flag that can selectively set the wireless mobile station not to transmit information about the location of the wireless mobile station. Wireless mobile station, including.
    [11" claim-type="Currently amended] 12. The wireless mobile station of claim 10, wherein the control circuit further comprises an emergency number list further comprising an emergency telephone number for location tracking authorized to receive the location of the wireless mobile station.
    [12" claim-type="Currently amended] 12. The wireless mobile station of claim 10, wherein the control circuit further comprises a special handling number list comprising a telephone number authorized for location tracking which is authorized to receive the location of the wireless mobile station.
    [13" claim-type="Currently amended] 10. The wireless mobile station of claim 9, wherein the control circuit is further capable of receiving a code to enable the wireless mobile station to transmit information about the location of the wireless mobile station.
    [14" claim-type="Currently amended] 10. The wireless mobile station of claim 9, wherein the control circuitry can determine that a base station will not accept a null code and can transmit a surrogate location to the base station instead of the actual location of the wireless mobile station.
    [15" claim-type="Currently amended] In the wireless mobile station of the type having a location tracking system capable of tracking the location of the wireless mobile station, the method for selectively setting so as not to transmit information about the location of the wireless mobile station,
    Setting a location privacy flag indicating whether information on the location of the wireless mobile station is not to be transmitted at the wireless mobile station;
    Testing a value of a location privacy flag that determines whether information about the location of the wireless mobile station is not to be transmitted at the wireless mobile station;
    If the value of the location privacy flag indicates a value that prevents information about the location of the wireless mobile station from being transmitted, then not transmitting information about the location of the wireless mobile station.
    [16" claim-type="Currently amended] 16. The method of claim 15, further comprising storing a user selection code at the wireless mobile station to cause the wireless mobile station to transmit information about the wireless mobile station when the user's selection code has been sent to the wireless mobile station. How to.
    [17" claim-type="Currently amended] 17. The method of claim 16, further comprising: transmitting a code to the wireless mobile station;
    Testing the code to determine if the code is the same as the user select code stored at the wireless mobile station;
    Transmitting information about the location of the wireless mobile station if the code matches the user select code.
    [18" claim-type="Currently amended] 16. The method of claim 15, further comprising: determining whether the base station will not accept a null code;
    Generating a surrogate location of the wireless mobile station;
    Transmitting the surrogate location instead of the actual location of the wireless mobile station.
    [19" claim-type="Currently amended] 16. The method of claim 15, further comprising the steps of: testing whether the telephone number that the wireless mobile station makes a call request is included in the emergency number list of the wireless mobile station;
    If the telephone number is in the emergency number list, even if the value of the location privacy flag indicates a value that prevents information about the location of the wireless mobile station from being transmitted, information about the location of the wireless mobile station at the location of the telephone number. The method further comprises the step of transmitting.
    [20" claim-type="Currently amended] 16. The method of claim 15, further comprising the steps of: testing whether the telephone number that the wireless mobile station makes a call request is included in the list of special handling numbers of the wireless mobile station;
    Although the value of the location privacy flag indicates a value such that information about the location of the wireless mobile station is not transmitted, if the phone number is in the special handling number list, it is related to the location of the wireless mobile station at the location of the telephone number. And transmitting the information.
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    同族专利:
    公开号 | 公开日
    DE60022977D1|2005-11-10|
    US6505048B1|2003-01-07|
    CN1302166A|2001-07-04|
    EP1113678A3|2002-01-30|
    KR100378119B1|2003-03-29|
    EP1113678A4|2001-12-17|
    CN1137595C|2004-02-04|
    EP1113678A2|2001-07-04|
    DE60022977T2|2006-03-23|
    EP1113678B1|2005-10-05|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    1999-12-30|Priority to US09/477,796
    1999-12-30|Priority to US09/477,796
    2000-11-24|Application filed by 윤종용, 삼성전자 주식회사
    2001-07-07|Publication of KR20010061954A
    2003-03-29|Application granted
    2003-03-29|Publication of KR100378119B1
    优先权:
    申请号 | 申请日 | 专利标题
    US09/477,796|US6505048B1|1999-12-30|1999-12-30|Location privacy feature for wireless mobile stations and method of operation|
    US09/477,796|1999-12-30|
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