• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention discloses a method of transmitting data communication in a wireless communication network, and a single calculation method is adopted for designing a new wireless communication transmission. According to the condition of all the target nodes, the optimal design of the data transmission is realized, and an information transmission function is dynamically established for the data communications of each target node. In this way, not only can the efficiency of the data transmission be improved, the power of the data transmission reduced and the resources saved, but also the reliability of the data transmission can be guaranteed and the stability of the transmission of data can be guaranteed. improved data.
    公开号:BE1025825B1
    申请号:E2018/5337
    申请日:2018-05-25
    公开日:2019-07-24
    发明作者:Dongxiang Lu；Keming Tang
    申请人:Yancheng Teachers University；
    IPC主号:
    专利说明:

    Method of transmitting data communication in a wireless communication network
    Technical field of the invention
    The present invention relates to a method of transmitting data communication in a wireless communication network, and belongs to the technical field of wireless communications.
    Bitter technological plan
    In recent years, global communication technology has developed dramatically. In particular in recent years, wireless communication technologies have surpassed fixed communication technologies in terms of development speed and fields of application, and show a development in strong growth. The most representative technologies include cellular mobile communication and broadband wireless access, as well as long distance communication, satellite communication and mobile video service and technology. With the increasing developments of wireless communication technologies, wireless communication technologies have attracted more and more attention. At present, wireless communication technologies are developing more and more. However, although five or six wireless communication methods exist, most wireless communication methods have the problem that networking is complex, mess and disconnection happen easily during transmission, debugging is very troublesome , and the transmission rate is relatively fixed. In the case of multiple target nodes, the data transmission of each node is carried out by an average distribution between all the target nodes. In this way, it can cause the loss of node resources, and some nodes are insufficient in transmission. In addition, a fixed transmission rate is adopted during the transmission, the transmission cannot be optimally adjusted according to the self-adaptation, which affects the efficiency of wireless communication transmission.
    In view of the above problems, the present invention provides a method of transmitting data communication in a wireless communication network so as to improve the transmission efficiency of the wireless transmission and to achieve optimal data transmission.
    Summary of the invention
    In order to achieve this aim, the present invention provides the technical diagram of proposing a method of transmitting data communication in a wireless communication network, and the method of transmitting data communication is characterized in that it sequentially comprises the following steps :
    BE2018 / 5337 (1) first, determine all the target nodes receiving data by a data transmitter, determine the reception start frequency of the i th target node, mark the reception start frequency as ƒ 0 , and determine the variable frequency slope of the i th target node during data reception: λ = B / T, where B is the communication bandwidth of the i th target node, and T is the total fixed delay for data transmission;
    (2) determine and calculate the instantaneous reception frequency of the i th target node during the reception of data at time t:
    ƒ ·, = Z, o + Àt + C + δ, in which c and δ are jointly test reports, c is preset by the data transmitter, and δ is preset by the receiver of the target node;
    (3) calculate the instantaneous phase of a signal transmitted from the data transmitter for the i th target node at time t:
    (4) determine the transmission function S (t) of the data transmitter for the target node after adding control codes in the data information to be transmitted:
    S (t) = A sin 2πφ ί + B sin 2π [ƒ 0 - (/ - ^) + (1/2) 2 (/ - τ) 2 ], where A is the amplitude of the transmitted signal and is a constant , B is the amplitude attenuation of a received signal, and τ is the delay time of the received signal with respect to the transmitted signal; and (5) transmitting data information to all the receiving nodes by the data transmitter in accordance with the transmission function of step (4), and performing modulation decoding on the wireless data information received by all nodes to obtain decoded data information.
    In addition, preferably, step (5) also comprises a step for calculating frequency difference verification after decoding information modulation, in which the frequency difference control calculation is carried out according to the following formula: C (t) - C cos 2æ [/ jo · τ + λίτ - (1/2) 2 r 2 ], where C is a frequency difference constant, and the value of the constant is related to A and B.
    In addition, preferably, the delay time τ of the received signal with respect to the transmitted signal is calculated by the following method:
    BE2018 / 5337 τ (ί) = - * “5—2 ---, ° ù Pt is the transmission power of the communication transmitter (4π) R ηψ wireless at time t, G is the gain antenna antenna of the receiving node, ξ is the carrier wavelength, σ is the compensation factor of the receiving node and is between 0 and 1, R is the distance from the transmitter to the receiving target node, η is the loss factor of the entire network, and ψ is the atmospheric attenuation factor.
    Compared to the prior art, the data communication transmission method has the following beneficial effects.
    In the present invention, a unique calculation method is adopted to design a new wireless communication transmission. Depending on the condition of all target nodes, the optimal design of data transmission is achieved, and an information transmission function is dynamically established for the data communications of each target node. In this way, not only can the efficiency of the data transmission be improved, the power of the data transmission reduced and the resources saved, but also the reliability of the data transmission can be guaranteed and the stability of the data transmission. improved data.
    Brief description of the drawings
    Figure 1 is a flowchart structure of the data communication transmission method in a wireless communication network according to the present invention.
    detailed description
    Below, the technical diagram according to an embodiment of the present invention is clearly and completely described below in combination with the drawing. The embodiment is just an example of all but not all of the embodiments of the present invention. All other embodiments implemented by those skilled in the art based on the embodiments of the present invention, without providing creative effort, are within the scope of protection of the present invention.
    Referring to Figure 1, the present invention provides the technical diagram of providing a method of transmitting data communication in a wireless communication network, and the method of transmitting data communication is characterized in that it comprises sequentially the following steps:
    (1) first, determine all the target nodes receiving data by a data transmitter, determine the receive start frequency of the i th target node, mark the receive start frequency as ƒ · 0 , and determine the slope of variable frequency of i emc target node during data reception
    BE2018 / 5337: λ = Β Π, where B is the communication bandwidth of the i th target node, and T is the total fixed delay for data transmission;
    (2) determine and calculate the instantaneous reception frequency of the i ™ 16 target node during the reception of data at time t:
    ƒ ·, = Z, o + At + c + δ, in which c and δ are jointly test reports, c is preset by the data transmitter, and δ is preset by the receiver of the target node;
    (3) calculate the instantaneous phase of a signal transmitted from the data transmitter for the i th target node at time t:
    (4) determine the transmission function S (t) of the data transmitter for the target node after adding control codes in the data information to be transmitted:
    S (t) = A sin 2πφ ί ( + B sin 2π [f 0 - (/ - 7-) + (1/2) / 1 (/ - t - ) 2 ], where A is the amplitude of the transmitted signal and is a constant, B is the amplitude attenuation of a received signal, and τ is the delay time of the received signal with respect to the transmitted signal; and (5) transmit data information to all the receiving nodes by the data transmitter in accordance with the transmission function of step (4), and performing modulation decoding on the wireless data information received by all of the nodes to obtain decoded data information.
    According to the embodiment, step (5) also comprises a step of calculating frequency difference verification after decoding modulation of the information, in which the frequency difference control calculation is carried out according to the following formula:
    C (t) = C cos 2æ [ƒ. 0 · τ + λίτ - (1/2) λτ 2 ], where C is a frequency difference constant, and the value of the constant is related to A and B.
    The delay time τ of the received signal with respect to the transmitted signal is calculated by the following method:
    7 - (/) = - * “5—2 ---> ° ù Pt is the transmission power of the communication transmitter (4æ) R ηψ wireless at time t, G is the gain of wireless antenna of the receiving node, ξ is the carrier wavelength, σ is the compensation factor of the receiving node and is between
    BE2018 / 5337 and 1, R is the distance from the transmitter to the target receiver node, η is the loss factor for the entire network, and ψ is the atmospheric attenuation factor.
    In the present invention, a unique calculation method is adopted to design a new wireless communication transmission. Depending on the condition of all target nodes, the optimal design of the data transmission is achieved, and an information transmission function is dynamically established for the data communications of each target node. In this way, not only can the efficiency of the data transmission be improved, the power of the data transmission reduced and the resources saved, but also the reliability of the data transmission can be guaranteed and the stability of the transmission. improved data.
    Although the embodiments of the present invention have been illustrated and described above, it is understood that the embodiments may be subject to various changes, modifications, substitutions and variations without departing from the principle and spirit of the present invention, and the scope of the present invention is determined by the appended claims 15 and their equivalents.
    权利要求:
    Claims (4)
    [1]
    claims
    1. Method for transmitting data communication in a wireless communication network, characterized in that it sequentially comprises the following steps:
    (1) first, determine all target nodes receiving data from a data transmitter, determine the receive start frequency of the i èmc target node, mark the receive start frequency as ƒ. 0 , and determine the variable frequency slope of the target node i 4 5 6 ™ 6 during data reception: λ = B / T, where B is the communication bandwidth of the target node i ™ 16 , and T is the delay fixed total for data transmission;
    [2]
    (2) determine and calculate the instantaneous reception frequency of the i th target node during the reception of data at time t:
    fa = fi 0 + λί + c + δ, in which c and δ are jointly test reports, c is preset by the data transmitter, and δ is preset by the receiver of the target node;
    [3]
    (3) calculate the instantaneous phase of a signal transmitted from the data transmitter for the i th target node at time t:
    [4]
    (4) determine the transmission function S (t) of the data transmitter for the target node after adding control codes in the data information to be transmitted:
    S (t) = Asin2n0 itl + Bsin2π [f 0 - (/ - ^) + (1/2) 2, (/ - t) 2 ], where A is the amplitude of the transmitted signal and is a constant, B is the amplitude attenuation of a received signal, and τ is the delay time of the received signal with respect to the transmitted signal; and (5) transmitting data information to all the receiving nodes by the data transmitter in accordance with the transmission function of step (4), and performing modulation decoding on the wireless data information received by all nodes to obtain decoded data information.
    2. Method for transmitting data communication in a wireless communication network according to claim 1, characterized in that step (5) also comprises a step of calculating frequency difference verification.
    BE2018 / 5337 after decoding information modulation, in which the frequency difference control calculation is carried out according to the following formula:
    C (t) - C cos 2æ [ƒ 0 · τ + λίτ - (1/2) Λτ 2 ], where C is a frequency difference constant, and the value of the constant is related to A and B.
    3. Method of transmitting data communication in a wireless communication network according to claim 1, characterized in that the delay time τ of the received signal with respect to the transmitted signal is calculated by the following method
    .. Ρ, β 3 ξ 2 σ
    10 r (t) = -—— τ ---, where Pt is the transmission power of the communication transmitter (4π) Κ ηψ wireless at time t, G is the gain of the wireless antenna of the receiving node, ξ is the carrier wavelength, σ is the compensation factor of the receiving node and is between 0 and 1, R is the distance from the transmitter to the target receiving node, η is the loss factor of the entire network, and ψ is the atmospheric attenuation factor.
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    同族专利:
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    引用文献:
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    法律状态:
    2019-08-21| FG| Patent granted|Effective date: 20190724 |
    2021-03-19| MM| Lapsed because of non-payment of the annual fee|Effective date: 20200531 |
    优先权:
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    CN201711029581.1A|CN107819482B|2017-10-27|2017-10-27|Data communication transmitting method in a kind of cordless communication network|
    CN201711029581.1|2017-10-27|
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