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Disturbance control method, terminal and system based on distributed wireless network architecture

A wireless network and interference control technology, applied in wireless communication, network planning, electrical components, etc., can solve the problems of not being able to know the minimum SIR of the communication link, and being unable to determine whether to send data, etc.

Inactive Publication Date: 2012-10-10
HUNAN CHAIRMAN IND INTELLIGENT SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The disadvantage of the distributed resource method described above is that in actual communication, different terminal devices and different levels of service have different requirements for communication quality, and one communication link may not be able to know the minimum SIR required by another communication link. making it impossible to determine whether to send data

Method used

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  • Disturbance control method, terminal and system based on distributed wireless network architecture
  • Disturbance control method, terminal and system based on distributed wireless network architecture
  • Disturbance control method, terminal and system based on distributed wireless network architecture

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Such as figure 2 As shown, an interference control method based on a distributed wireless network architecture includes:

[0050] 101. The first transmitting terminal receives power from the second receiving terminal on the shared frequency broadcast signal, where K is a constant, P Ith When the second receiving terminal communicates with the second transmitting terminal, the interference power that the second receiving terminal can tolerate when being interfered by the transmitting power of the first transmitting terminal. The shared frequency is a shared frequency for the first transmitting terminal to communicate with the first receiving terminal, and for the second transmitting terminal to communicate with the second receiving terminal.

[0051] 102. The first transmitting terminal obtains the received power on the shared frequency The received power of the broadcast signal P r .

[0052] 103. According to P 1 is the transmission power of the first transm...

Embodiment 2

[0060] Such as image 3 As shown, an interference control method based on a distributed wireless network architecture includes:

[0061] 201. The first transmitting terminal receives the power from the second receiving terminal on the shared frequency broadcast signal, where K is a constant, P Ith When the second receiving terminal communicates with the second transmitting terminal, the interference power that the second receiving terminal can tolerate when being interfered by the transmitting power of the first transmitting terminal. The shared frequency is a shared frequency for communication between the first transmitting terminal and the first receiving terminal, and for communicating between the second transmitting terminal and the second receiving terminal.

[0062] preferred, P Ith When the second receiving terminal communicates with the second transmitting terminal, the maximum interference power that the second receiving terminal can tolerate when being interfered...

Embodiment 3

[0104] The following describes the interference control scheme between the cellular communication link and the D2D communication link when the cellular communication and the D2D communication share the cellular communication uplink.

[0105] Such as Figure 4 As shown, the interference between the cellular communication link and the D2D communication link is mainly the interference of the transmitting device 301 of the cellular communication to the receiving device 302 of the D2D communication, and the interference of the transmitting device 303 of the D2D communication to the base station 304 .

[0106] When preparing to initiate cellular communication, the cellular communication transmitting device 301 receives the reverse interference link power control information on the uplink interference control OFDM (Orthogonal Frequency Division Multiplexing) symbol, and determines the power of each subcarrier Received power, the power control information of the reverse interfering li...

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Abstract

The invention discloses a disturbance control method based on distributed wireless network architecture. The method comprises the following steps of: receiving a broadcasting signal transmitted by a second receiving terminal through a first transmitting terminal, acquiring disturbance power which can be tolerated by the second receiving terminal, and calculating an upper limit value of the transmitting power, wherein the signals are transmitted in the upper limit value of the transmitting power so that the second receiving terminal is not disturbed. Meanwhile, the first transmitting terminal acquires a lower limit value of the required transmitting power of the first receiving terminal, in which the receiving signals are prevented from being disturbed. In addition, the invention also provides corresponding equipment and a system. By the method, equipment and system provided by the invention, the disturbance of a communication link to the receiving signals of other communication links is in an acceptable range, and the disturbance of the other communication links is avoided.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to an interference control method, terminal and system based on a distributed wireless network architecture. Background technique [0002] In the communication based on the cellular network, the communication between two terminals needs to be forwarded by the base station, and the same data packet occupies the air interface resources twice from the terminal to the base station, and then from the base station to the terminal. If the communication parties are relatively close and within the communication range of each other, the data packets are directly transmitted between the terminals without being forwarded by the base station, which can save half of the resources. [0003] Direct communication between terminals (D2D, Device to Device) can enable direct communication between terminal devices without any intermediate infrastructure. Therefore, the direct communication o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W16/14
Inventor 周晗冯淑兰
Owner HUNAN CHAIRMAN IND INTELLIGENT SYST CO LTD
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