• 专利附录
  • 专利说明
  • 权利要求
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    • 专利摘要:
    Procedure for disseminating and obtaining information, issuing device, receiving device and system for disseminating and obtaining information. Procedure and system for disseminating and obtaining information, from a transmitting device (1) to a receiving device (2), by beacon frame type packets through modulated rf carriers. Emitting device (1) for transmitting information common to an unlimited number of receiving devices (2) having: a processing equipment (10) to originate information; a wi-fi {reg} modulator unit (12); a transmission antenna (13) connected to the modulating wi-fi unit {reg} (12). Receiving device (2) to receive information from the sending device (1) that has: a receiving wi-fi {reg} unit (21) and a reconstruction (20) of information, to extract information. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2608506A1
    申请号:ES201630175
    申请日:2016-02-16
    公开日:2017-04-11
    发明作者:José Ángel BERNÁ GALIANO
    申请人:Universidad de Alicante；
    IPC主号:
    专利说明:

    PROCEDURE FOR DISSEMINATION AND OBTAINING INFORMATION, DEVICEISSUER, RECEIVING DEVICE AND DISSEMINATION SYSTEM AND OBTAININGINFORMATION
    5 Field of the invention
    The present invention relates to a sending device capable of transmitting common information (broadcasting) to an unlimited number of receiving devices that are within the coverage radius of the sending device. It also refers to the receiving device, the information dissemination system and the information dissemination procedure by
    10 Wi-Fi® units.
    State of the art
    At present, data connectivity for mobile computing devices (smartphones, tablets, laptops and others) is mostly based on technology
    15 digital mobile (3G, 4G) and Wi-Fi® technology (based on IEEE 802.11x standards).
    Both technologies are based on the establishment of a data link between the mobile device and an AP (Access Point: access point in Wi-Fi® technology) or a Node B (base station in UMTS systems). This data link is dedicated for each pair formed by a
    20 mobile device and an AP / Node B, and has the following characteristics:
    1. Consumption of resources in radiofrequency: A distribution in the use of carrier frequencies by the associated mobile devices is necessary.
    2. Energy consumption: A minimum transmission power is required in the communication to keep it active.
    3. Consumption of network management resources: The need for an IPv4 addressing scheme limits the number of associated mobile devices in a physical environment.
    Four. Security management: Authentication mechanisms are necessary to preserve the security of the associated links between mobile devices and AP / Node B.
    The above characteristics have important limitations and are remarkably improved in a particular situation of data transmission such as the dissemination of unidirectional information to an unlimited number of receiving devices. It is understood by
    35 dissemination of information when sending the same data set to a set of devices.


    In the case of the technologies referenced above (UMTS / Wi-Fi®), the dissemination of information to devices requires replicating the information in each associated data link, which implies a resource consumption proportional to the number of devices
    5 linked.
    In small physical spaces with a high presence of mobile devices, for example, massive sporting, cultural or social events, the establishment of permanent and simultaneous dedicated links for all attendees is frequently
    10 unrealizable.
    Description of the invention
    To avoid all these problems, the invention introduces a sending device, a receiving device, a system and a method for the dissemination of information,
    15 allowing a set of data to be disseminated to devices via Wi-Fi® units, without altering the established data link (UMTS / Wi-Fi®). This new type of diffusion has the characteristics of:
    1. Dissemination of information to an unlimited number of devices with WiFi® unit and that are within the coverage radius of the sending device.
    2. The consumption of radio frequency resources can be reduced to the use of a single carrier frequency used in the transmission by the emitting device.
    3. Energy consumption and the need for computational capacity in the device
    The issuer of the information is significantly reduced, due to the physical transmission of a single unidirectional data stream.
    Four. The dissemination of the information is compatible with the UMTS / Wi-Fi® data links established in the receiving device, remaining active and functional.
    5. The sending device is compatible with any Wi-Fi® unit, that is, there is no
    need to modify the firmware or driver of the unit provided by the manufacturer 30 of the mobile device.
    6. The sending device allows the sending of individual information blocks (messages)
    or related information blocks (data files).
    7. The sending device is secure in establishing a unidirectional data transmission and being unable to process any type of information that may be sent to it.
    35 8. Provides a lower cost mechanism than Wi associated link technology


    Fi® and UMTS to disseminate information in environments where there are no data services infrastructures.
    The present invention thus relates to a sending device, a receiving device, an information dissemination system and a method of disseminating information via Wi-Fi® units. These different aspects of the invention, in addition to providing the advantages discussed above, also allow a user of the receiving device to access and operate with the data received on the receiving device.
    Description of the figures
    Figure 1 is an operation diagram of a basic embodiment of the invention.Figure 2 is a diagram of incorporating data into a Beacon Frame type package.Figure 3 is a diagram of incorporating data into several Beacon-type packagesFrame
    Fig. 4 is an operation diagram of an embodiment of the invention with aemitting device using K Wi-Fi® units.Figure 5 is a diagram showing operations of the procedure of theinvention.
    The numerical references of the elements of the invention are indicated below:Issuing Device (1)Computing Unit (11)Wi-Fi® modulator unit (12, 12: 1-12: K)Transmission antenna (13, 13: 1-13: K)Package (100; 100: 1-100: Ji-100: N) Beacon Frame typeRF modulated carrier (100 ’; 100’: 1-100 ’: N)RF signal (100 ’’; 100 ’’: 1-100 ’: N)Header (101)Fixed parameters (102)SSID Tag (103)Tag Supported Rates (104)Identification tags (105)Data Blocks (106)Stored data (106A)Ordered data (106B)


    Rebuilt Information (106C)First means of processing (10)Receiving Device (2)Receiving Wi-Fi® Unit (21)Second processing means (20)Scanning Media (22)
    Detailed description of the invention
    Figure 1 shows an embodiment of the invention comprising a sending device (1) capable of transmitting information using a modulating Wi-Fi® unit (12). This information can be acquired by any receiving device (2) through a receiving Wi-Fi® unit (21) in the physical transmission coverage environment. A unidirectional and diffusion transmission mode is established: from the sending device (1) a transmission of information is made that is acquired by an unlimited number of receiving devices (2).
    The present invention also comprises second processing means (20) configured to reconstruct information in the receiving device (2) that process the information disseminated by the sending device (1) and make it accessible to the user in the receiving device (2).
    The sending device (1) comprises: a computing unit (11) comprising a CPU, Memory, Storage Unit and Operating System, a modulating Wi-Fi® unit (12), a transmission antenna (13) connected to the unit Wi-Fi® modulator (12). The sending device (1) comprises first processing means
    (10) configured to originate information in the form of packets (100) Beacon Frame type, defined in the IEEE 802.11x standards valid for processing by a receiving Wi-Fi® unit (21).
    The first processing means (10) define a procedure for transmitting a volume of information comprising B bytes, incorporating the B bytes as additional information in data blocks (106). Figure 2 shows a packet model (100) type Beacon Frame used in the invention, which has a structure comprising: -a header (101) of the IEEE 802.11x standard, specifying the value of packet type
    in Beacon Frame;


    -a plurality of fixed parameters (102) established in the IEEE 802.11x standard;- an SSID Tag (103) comprising a maximum length string of 32 bytes;-a Tag Supported Rates (104); Y-a set of identification tags (105) defined in the invention.
    The set of B bytes to be disseminated is distributed in T data blocks (106), where the first T-1 data blocks (106) have a size of 255 bytes, and the last data block (106) contains the rest of data up to the total B bytes. Each of the T data blocks (106) is incorporated into the Tagged parameters section (variable data that can be incorporated into a Beacon Frame package grouped into blocks called Tags) of a Beacon Frame package (100). An identification Tag (105) allows a data block (106) of up to 255 bytes to be incorporated, the invention establishing a maximum of M blocks of 255 bytes to be incorporated in a Beacon Frame packet (100). The first M1 blocks of data (106) to be incorporated in a Beacon Frame package employ the unreserved Tag identifier with value 255, the identifier for the last of the M blocks incorporated being that of value 254 as illustrated in Figure 2. If it is necessary to use more than one Beacon Frame package (100) to incorporate the T blocks of data, that is, when T> M, N packets (100; 100: 1-100: N) Beacon Frame type are generated that have different SSID Tag values (103), from SSID Tag 1 to SSID Tag N; The N packets (100; 100: 1-100: N) Beacon Frame type comprise all of the T data blocks
    (106) as illustrated in Figure 3, where the N packages (100) Beacon Frame type are referenced (100: 1, 100: 2, ... 100: N).
    The emitting device continuously transmits the N packets (100; 100: 1-100: N) Beacon Frame type with the data content B to be broadcast in the coverage environment of the transmitting antenna (13).
    The receiving device (2) comprises second processing means (20) configured to reconstruct information from the data contained in the packets (100; 100: 1100: N) Beacon Frame type of the RF signal (100 '': 100 ' ': 1-100' ': N).
    The receiving device (2) can also comprise scanning means (22) configured to periodically track and detect if there is a transmission present in the environment. To do this, it uses the wireless network scanning function existing in the driver of a receiving Wi-Fi® unit (21) (which in turn supports IEEE 802.11x standards).


    In each scan, the driver of the receiving Wi-Fi® unit (21) provides the set of detected Beacon Frame packets (100). The application selects the Beacon Frame packets (100) based on the SSID Tag (103) of the preset packets in the receiving WI-FI® unit (21), and extracts the content of embedded data, that is, from the information contained in the data blocks (106). If the transmission of the sending device
    (1) includes several packages (100) Beacon Frame type with different SSID Tag values (103), the application of the receiving device (2) stores the data content of each packet (100) Beacon Frame type, sorts and reassembles the data , obtaining the set B of data transmitted by the sending device (1). If the number of Beacon Frame packets (100) with different SSID Tag (103) is high, the receiving device (2) performs the scanning function included in the Wi-Fi® driver of the Wi-Fi unit more than once ® receiver (21). Once all the B data transmitted by the sending device (1) has been obtained, the application provides the user with the information in a readable format.
    It is possible to improve the procedure of reading the data (106) by the receiving device (2), by establishing an alternative transmission procedure in the sending device (1).
    In situations of sending large amounts of information, where it is necessary to create a large number N of packets (100) Beacon Frame type to incorporate the B bytes of data, the receiving device (2) needs to repeatedly execute the scanning function in the media of scan (22), with the subsequent waiting time to complete these operations.
    To reduce the number of scans on the receiving device (2), the sending device (1) can transmit the T data blocks (106) using several Wi-Fi® modulating units (12: 1, 12: 2, … 12: K) and transmission antennas (13: 1, 13: 2,… 13: K) illustrated in Figure 4.
    Thus, it is possible to transmit the T data blocks (106) as the transmission of N packets (100: 1, 100: 2, ... 100: N) Beacon Frame type according to:
    ��� = �
    where:


    K: number of modulating Wi-Fi® units (12: 1, 12: 2, ... 12: K) and transmitting antennas (13: 1, 13: 2, ... 13: K); Ji: Beacon Frame type packets by antenna i of the total of the K transmission antennas
    (13: 1, 13: 2, ... 13: K);5 N: total number of packages (100: 1, 100: 2,… 100: N) Beacon Frame type.
    Packages can be spread on different carriers. In one embodiment of the invention, a carrier is used for all packets channeled by a Wi-Fi® modulator unit (12) and the transmission antenna (13) connected to the Wi-Fi® unit
    10 modulator (12).
    In the embodiment where the sending device (1) is equipped with K modulating Wi-Fi® units (12: 1, 12: 2, ... 12: K), the K transmitting antennas (13: 1, 13: 2, ... 13: K) can perform simultaneous transmission on carrier frequencies different from some of the
    15 packets (100: 1-100: N) Beacon Frame type with different Tag SSID values (103), as illustrated in Figure 4.
    Another case that may occur, for example, in Europe, where there are only 13 Wi-Fi carriersFi®, if K> 13, several transmitting antennas (13: 1, 13: 2, ... 13: K) can use the same
    20 carrier.
    This alternative operation procedure of the sending device (1) makes it possible to reduce the number of executions of the scanning function of the scanning means (22) in the receiving device (2), reducing the time required to receive the data.
    In accordance with the foregoing, a first aspect of the invention relates to an emitting device
    (1) configured to transmit common information to an unlimited number of receiving devices (2) comprising: 1a) first processing means (10), configured to originate information in
    30 form of generated packages (100) Beacon Frame type; 1b) a Wi-Fi® modulator unit (12) configured to modulate an RF carrier and produce an RF carrier modulated with a Beacon Frame type package (100 ’);
    1c) a transmission antenna (13) connected to the Wi-Fi® modulator unit (12), configured to broadcast the modulated RF carrier in a coverage environment of the transmission antenna (13). This basic embodiment of the invention is illustrated in the


    Figures 1 and 2.
    According to other features of the invention:
    2a) the first processing means (10), are configured to originate information in the form of N generated packets (100: 1-100: N) Beacon Frame type;
    2b) the Wi-Fi® modulator unit (12) is configured to modulate an RF carrier and produce an RF carrier modulated with N packages (100 ’: 1-100’: N) Beacon Frame type;
    2c) the transmission antenna (13) is configured to broadcast the modulated FR carrier in a transmission antenna coverage environment (13). The N packets generated in this alternative embodiment of the invention are illustrated in Figure 3. In this embodiment of the invention N packets (100: 1-100: N) type Beacon Frame are generated, in the device comprising a Wi-Fi unit. Fi® modulator (12) and a transmission antenna (13).
    The emitting device (1) may comprise:
    3a) K Wi-Fi® modulating units (12: 1-12: K) configured to modulate K RF carriers produce K RF carriers modulated with N packages (100 ’: 1-100’: N) Beacon Frame type;
    3b) K transmit antennas (13: 1-13: K): 3c1) with each transmit antenna (13: 1-13: K) connected to a modulating Wi-Fi® unit (12: 1-12: K) ;
    where:
    3c) the first processing means (10) are configured to: 3c1) originate information in the form of N generated packets (100: 1-100: N) Beacon Frame type; 3c2) Distribute the N packets generated (100: 1-100: N) Beacon Frame type among the K Wi-Fi® modulating units (12: 1-12: K), sending to each Wi-Fi® modulating unit (12: 1-12: K) a Chi number of the N packets (100: 1-100: N) Beacon Frame type;
    3d) Each Wi-Fi® modulator unit (12: 1-12: K) is configured to modulate an RF modulated carrier with the generated Ji packets (100: 1-100: N) that it receives to produce an RF carrier modulated with Ji packages (100 ': 1-100': N) Beacon Frame type; 3e) each transmitting antenna (13: 1-13: K) is configured to broadcast the K


    l modulated RF carriers;
    3e1) to produce a total of N broadcast packets (100 '': 1-100 '': N) Beacon Frame type by the K transmission antennas (13: 1-13: K), corresponding to the N packages (100: 1-100: N) Beacon Frame type, in a coverage environment of
    5 transmission antennas (13: 1-13: K). This alternative embodiment of the invention with N packets broadcast through K antennas, where Ji packets are broadcast on each antenna is illustrated in Figure 4.
    A second aspect of the invention relates to a receiving device (2) configured for
    10 receiving information from a sending device (1) as described above, where the receiving device (2) comprises: 4a) a receiving Wi-Fi® unit (21) configured to receive broadcast packets (100 ',
    100 ’: 1-100’: N) Beacon Frame type; 4b) second processing means (20) configured to reconstruct information based on the information contained in the broadcast packages (100 ’, 100’: 1-100 ’: N) Beacon Frame type.
    According to other features of the invention:The receiving device (2) may comprise:
    20 5a) scanning means (22) configured to periodically track the coverage environment of the transmission antenna (13) and detect if there is a transmission associated with the emitting device (1).
    A third aspect of the invention relates to an information dissemination system from
    A sending device (1) to an unlimited number of receiving devices (2) comprising: 6a) the sending device (1) described above; 6b) the receiving device (2) described above.
    A fourth aspect of the invention relates to a method of disseminating and obtaining information from a sending device (1) as described above to an unlimited number of receiving devices (2) such as those described above comprising: 7a) originating information to produce a generated package (100) Beacon Frame type in first processing means (10);
    35 7b) modulate an RF carrier and produce an RF carrier modulated with a package (100 ’)


    Beacon Frame type in a Wi-Fi® modulator unit (12);
    7c) broadcast the modulated RF carrier through a transmission antenna (13) connected to the modulating Wi-Fi® unit (12), in a transmission antenna coverage environment (13);
    5 7d) receive the broadcast RF signal (100 ’) on the receiving device (2) and obtain the information
    contained in the broadcast RF signal (100 ’); where the generated packet (100) Beacon Frame type comprises: 7e) a header (101) defined in the IEEE 802.11x standard to identify a packet of
    Beacon Frame type; 10 7f) a plurality of fixed parameters (102), established by the IEEE 802.11x standard for
    Beacon Frame packages (Timestamp, Beacon Interval, Capabilities Information); 7g) an SSID Tag (103); 7h) a Tag Supported Rates (104); 7i) a plurality of identifying tags (105);
    15 7j) a plurality of data blocks (106) comprising a volume of information of B bytes. The generated packets (100) type Beacon Frame are created in the first processing means (10) of the sending device (1).
    According to other features of the invention: The method may comprise: 8a) distributing the volume of information comprising B bytes in T data blocks (106); 8b) dimension the T data blocks (106) into: 8b1) first T-1 data blocks (106) with a size of 255 bytes; 25 8b2) a last block of data (106) configured to contain the rest of the data up to the total B bytes.
    9a) Associate each data block (106) with an identification Tag (105).
    30 10. Size the data blocks (106) with a maximum size of 255 bytes.
    11. Define generated packets (100) Beacon Frame type with a maximum number of M data blocks (106).
    35 12. Identify the M data blocks (106) in:


    12a) first M-1 data blocks (106) with an identification tag (105) not reserved with value 255; 12b) one last block of data (106) with an identification tag (105) not reserved with value 254.
    13a) Create N packages obtaining N generated packages (100: 1-100: N) Beacon Frame type;
    13b) modulate an RF carrier to produce an RF carrier modulated with N packages (100 ’: 1-100’: N) Beacon Frame type; 10 13c) broadcast the N packages (100 ’: 1-100’: N) Beacon Frame type to produce N broadcast packages (100 ’: 1-100’: N) Beacon Frame type;
    13d) identify the N broadcast packages (100 ’: 1-100: N) Beacon Frame type with different Tag SSID values (103). In this embodiment of the invention, the sending device (1) comprises first processing means (10), a modulating Wi-Fi® unit
    15 (12) and a transmission antenna (13). This embodiment of the invention occurs when T> M, that is, when the number of data blocks (106) T is greater than the maximum number of data blocks (106) M, which a packet may contain, in other words , when the volume of information to be disseminated exceeds the information transmission capacity of a package, it being necessary to create N packages to
    20 to distribute among them all the volume of information to be transmitted.
    14a) Distribute the N packages generated (100: 1-100: N) Beacon Frame type between K Wi-Fi® modulating units (12: 1-12: K), sending to each Wi-Fi® modulating unit (12: 112 : K) a Chi number of the N packages (100: 1-100: N) type Beacon Frame. Another way to
    25 See this embodiment of the process of the invention, it can be as follows: 14a ') send a Chi number of the N generated packets (100: 1-100: N) Beacon Frame type to each Wi-Fi® modulator unit ( 12: 1-12: K); 14b ') Modulate in the K Wi-Fi® modulating units (12: 1-12: K) the K RF carriers to produce K RF carriers modulated with N packages for each Wi-Fi® modulating unit (12: 1-12 : K);
    14c ') broadcast through the K antennas (13: 1-13: K) the K RF carriers modulated by the K Wi-Fi® modulator units (12: 1-12: K), to produce N packages (100' ': 1100' ': N) Beacon Frame type;
    35 14d ’) identify the N broadcast packages (100’: 1-100 ’: N) Beacon Frame type with values


    of SSID Tag (103) different. This alternative embodiment of the invention with N packets generated, broadcast through K antennas, where Ji packets are broadcast on each antenna is illustrated in Figure 4. In this embodiment of the invention, the emitting device (1) comprises first means of processing (10), K units 5 Wi-Fi® modulators (12: 1-12: K) and K transmission antennas (13: 1-13K). Each of these K transmission antennas (13: 1-13K) broadcasts Ji Beacon Frame-type packets, so that the total number of packets is N (100 ’: 1-00’: N), ∑ =. This embodiment of the invention is used when it is desired to speed up the transmission of information by decreasing the time that the receivers (2) are looking for packets.
    10 disseminated, when the packets are transmitted in several carriers, thus reducing the time required to complete the information transmission cycles. As indicated above, several transmitting antennas (13: 1-13K) can disseminate information using the same carrier.
    15 15a) Continuously transmit the N packets (100 ’: 1-100’: N) Beacon Frame type.
    16a) Scan a transmission antenna coverage environment (13: 1-13: K) to detect broadcast packets (100 ’, 100’: 1-100 ’: N) Beacon Frame type.
    20 17a) Select broadcast packages (100 ’: 1-100’: N) Beacon Frame type, based on the Tag SSID (103) of the packages.
    18a) Store (106.1) content of broadcast packet data (100 ’: 1-100’: N) Beacon Frame type with different Tag SSID values (103) to produce data
    25 stored (106A); 18b) order (106.2) the stored data (106A) to produce ordered data (106B); 18c) reassemble (106.3) the ordered data (106B) to make a reconstructed volume of information (106C), which corresponds to the volume of information comprising B bytes transmitted by the sending device (1);
    30 18d) show (106.4) to a user the volume of reconstructed information (106C) in readable format when all the information comprising B bytes has been reassembled.

    权利要求:
    Claims (13)
    [1]
    1. Procedure for dissemination and obtaining information, from a sending device (1) to a receiving device (2) characterized in that it comprises:
    5 1a) originate N packages (100; 100: 1-100: N) Beacon Frame type containing information where the package (100; 100: 1-100: N) Beacon Frame type comprises: 1a1) a header (101), defined in the IEEE 802.11x standard to specify the value
    Beacon Frame package type; 1a2) a plurality of fixed parameters (102), established by the IEEE 802.11x standard
    10 for Beacon Frame packages; 1a3) an SSID Tag (103) identifying information; 1a4) a Tag Supported Rates (104); 1a5) a plurality of identifying tags (105); 1a6) a plurality of data blocks (106) comprising a volume of
    15 information comprising B bytes;
    1b) distribute the N packages (100; 100: 1-100: N) between K Wi-Fi® modulating units (12: 112: K), sending to each Wi-Fi® modulating unit (12: 1-12: K ) a number of packages Ji of the N packages (100; 100: 1-100: N);
    1c) modulate the K RF carriers and produce K modulated RF carriers (100 ’; 100’: 120 100 ’: N); 1d) broadcast the K modulated RF carriers (100 '; 100': 1-100 ': N) by K transmit antennas (13; 13: 1-13: K) that radiate an RF signal (100' '; 100' ': 1-100' ': N); 1e) receive and demodulate in the receiving device (2) the RF signal (100 ''; 100 '': 1-100 '': N) to obtain the information contained in the RF signal (100 ''; 100 '': 1-100 '': N); 25 1f) select packages (100; 100: 1-100: N) Beacon Frame type, depending on the SSID Tag (103) of the packages.
    [2]
    2. Method of dissemination and obtaining information according to claim 1 characterized in that originating N packets (100; 100: 1-100: N) type Beacon Frame 30 containing information comprises: 2a) distributing the volume of information comprising B bytes in T blocks of data (106); 2b) dimension the T data blocks (106) in:
    2b1) first T-1 blocks of data (106) with a size of 255 bytes; 35 2b2) one last block of data (106) configured to hold the rest of the data

    up to the total B bytes.
    [3]
    3. Procedure for dissemination and obtaining information according to claims 1-2
    characterized in that it comprises:5 3a) associate each data block (106) with an identifying Tag (105).
    [4]
    4. Method of dissemination and obtaining information according to any of claims 1-3 characterized in that it comprises sizing the data blocks
    (106) with a maximum size of 255 bytes.
    [5]
    5. Method of dissemination and obtaining information according to any of claims 1-4 characterized in that it comprises defining packets (100; 100: 1-100: N) Beacon Frame type with a maximum number of M data blocks (106).
    Method of dissemination and obtaining information according to claim 5 characterized in that it comprises identifying the M data blocks (106) in: 6a) first M-1 data blocks (106) with an unreserved identification Tag (105)
    with value 255; 6b) one last block of data (106) with an identification tag (105) not reserved with 20 value 254.
    [7]
    7. Method of dissemination and obtaining information according to any one of claims 1-6 characterized in that it comprises: 7a) tracking the RF signal (100 ''; 100 '': 1-100 '': N) within an environment of coverage of
    25 transmit antenna (13; 13: 1-13: K).
    [8]
    8. Method of dissemination and obtaining information according to any of claims 1-7 characterized in that it comprises: 8a) storing (106.1) packet data content (100; 100: 1-100: N) Beacon type
    30 Frame with different Tag SSID values (103) to produce stored data (106A); 8b) sort (106.2) the stored data (106A) to produce ordered data (106B); 8c) re-assemble (106.3) the ordered data (106B) to make a reconstructed information volume (106C), which corresponds to the volume of information

    comprising B bytes transmitted by the sending device (1);
    8d) show (106.4) to a user the volume of reconstructed information (106C) in readable format when all the information comprising B bytes has been reassembled.
    [9]
    9. Issuing device (1) configured to transmit common information to a numberunlimited receiving devices (2) according to the procedure of any of theclaims 1-8 characterized in that it comprises:9a) first processing means (10), configured to originate N packets (100;
    10 100: 1-100: N) Beacon Frame type containing information; 9b) K modulating Wi-Fi® units (12; 12: 1-12: K) configured to modulate the RF carrier K and produce K modulated RF carriers (100 ’; 100’: 1-100 ’: N); 9c) K transmit antennas (13; 13: 1-13: K) configured to broadcast the modulated RF carrier K (100 '; 100': 1-100 ': N) and radiate an RF signal (100' '; 100 '': 1-100 '': N); 15 where: 9d) each transmitting antenna (13; 13: 1-13: K) is connected to a Wi-Fi® modulator unit (12; 12: 1-12: K);
    9e) the first processing means (10) are configured to distribute the N packets (100; 100: 1-100: N) among the K Wi-Fi® modulating units (12; 12: 1-12: K), 20 corresponding to each Wi-Fi® modulator unit (12; 12: 1-12: K) a number of
    Ji packages of the N packages (100; 100: 1-100: N); 9f) the K Wi-Fi® modulating units (12; 12: 1-12: K) are configured to modulate K RF carriers and produce K modulated RF carriers (100 ’; 100’: 1-100 ’: N); 9g) the K transmission antennas (13; 13: 1-13: K) are configured to broadcast the K 25 modulated RF carriers (100 '; 100': 1-100 ': N) and radiate K RF signals (100' '; 100' ': 1100' ': N).
    [10]
    10. Receiving device (2) configured to receive information from a sending device (1) according to the method of any of claims 1-8 characterized in that 30 comprises: 10a) a receiving Wi-Fi® unit (21) configured to receive and demodulate the RF signal (100 '', 100 '': 1-100 '': N); 10b) second processing means (20) configured to reconstruct information, to
    from information contained in packets (100; 100: 1-100: N) of the RF signal (100 '', 35 100 '': 1-100 '': N), obtained by the receiving Wi-Fi® unit ( 21) when demodulating the signal

    RF (100 ’’; 100 ’’: 1-100 ’: N).
    [11]
    11. Receiving device (2) according to claim 10 characterized in that it comprises:
    11a) scanning means (22) configured to track the RF signal (100 ’; 100’: 1-100 ’: N) 5 within a transmission antenna coverage environment (13).
    [12]
    12. System for disseminating and obtaining information from a sending device (1) to an unlimited number of receiving devices (2) according to the method of any of claims 1-8 characterized in that it comprises:
    10 12a) the emitting device (1) according to claim 9; 12b) the receiving device (2) according to any of claims 10-11.

    FIG. one
     T, M
    FIG. 2

    FIG. 3
    13: 2
     12: 1 13: 1 100 ’: 2
     13: K
    100 ’: K
    FIG. 4

    [106]
    106.1
    [106]
    106.4
    FIG. 5
    类似技术:
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    WO2017140930A1|2017-08-24|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US20070242643A1|2006-04-14|2007-10-18|Microsoft Corporation|Using a wireless beacon broadcast to provide a media message|
    US20080220787A1|2007-03-07|2008-09-11|Nextwave Broadband, Inc.|Channel Aggregation|
    US20100111054A1|2008-04-21|2010-05-06|Infosys Technologies Limited|System and method for robust data loss recovery in a wireless local area network|
    US20160029356A1|2014-07-25|2016-01-28|Aruba Networks, Inc.|Dynamic user-configurable information element|
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    PCT/ES2017/070061| WO2017140930A1|2016-02-16|2017-02-03|Method for diffusing and obtaining information, transmitter device, receiver device and system for diffusing and obtaining information|
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