Method for parallel transmission of effective data and coordination information

A technology of effective data and accompanying information, applied in wireless communication, network traffic/resource management, electrical components, etc., can solve problems such as low utilization rate, and achieve the effect of saving network resources

Active Publication Date: 2012-03-07
GUANGZHOU HKUST FOK YING TUNG RES INST
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] The present invention proposes a new multi-access mechanism, which can solve the common low utilization rate problem of the current wireless local are

Method used

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  • Method for parallel transmission of effective data and coordination information
  • Method for parallel transmission of effective data and coordination information
  • Method for parallel transmission of effective data and coordination information

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings.

[0042] Such as figure 1 As shown, the present invention is based on the original wireless transmission equipment, adding new modules to the transmitting terminal and the receiving terminal respectively to realize parallel transmission of effective data and coordination information. Both the valid data transmitter and the incidental information transmitter belong to the transmitter terminal, and the transition between these two states is mainly determined by the information to be transmitted. These newly added modules mainly include the interference emission module at the transmitting terminal and the interference detection module, interference elimination module and incidental information analysis module at the receiving terminal. The implementation of each module will be described in detail below.

[0043] see figure 2 , the present invention takes a single collis...

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Abstract

The invention relates to a multiple access mechanism, which is based on orthogonal frequency division multiplexing (OFDM) platform and utilizes a wireless frequency domain characteristic so as to realize parallel transmission of effective data and coordination information. And the mechanism enables a transmission coordination problem of multiple accesses in a wireless network to be effectively solved. According to the invention, an interference transmitting module is placed in a transmitting terminal as well as an interference detection module, an interference elimination module and an attached information analysis module are placed in a receiving terminal, so that a new multiple access mechanism. On the basis of utilization of the new added modules, a small amount of information can be loaded in an interference signal by special compilation; and detection, separation and reduction are carried out on effective data and the interference signal at the receiving terminal; and at last, parallel transmission of the effective data and coordination information is realized; therefore, network resources will not be consumed additionally; and meanwhile, multiple access transmission coordination in a wireless network can be effectively realized and a problem of low utilization rate in a current standard can be solved.

Description

technical field [0001] The invention relates to a multi-path access mechanism based on an Orthogonal Frequency Division Multiplexing (OFDM) platform and utilizing wireless frequency domain characteristics to realize parallel transmission of effective data and coordination information. This mechanism can effectively solve the transmission coordination problem of multi-access in wireless network. The invention belongs to the technical field of wireless communication. Background technique [0002] The problem of transmission coordination in multi-access is a classic problem in wireless networks. Since radio frequency is usually transmitted through broadcasting in the air, when multiple radio frequencies are superimposed on the receiving terminal, signal collision (Collision) will be caused, which will eventually lead to data packet errors at the receiving terminal. Therefore, how to deal with the coordination problem among multi-user transmissions simply and effectively direc...

Claims

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Application Information

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IPC IPC(8): H04W28/16H04L27/26
Inventor 伍楷舜李浩潮张黔倪明选
Owner GUANGZHOU HKUST FOK YING TUNG RES INST
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