Method, system and apparatus for feedback error resistance

Abstract

The invention relates to a method, a system and a device for resisting feedback errors. The embodiment of the invention comprises the following steps: a receiving end selects a code word from a code book according to the current status information of a transmission channel and further confirms serial number information corresponding to the code word, so as to confirm the transmission serial number information corresponding to the serial number information and send the transmission serial number information to a sending end via a feedback channel; and the sending end receives the transmission serial number information and confirms the serial number information corresponding to the transmission serial number information, so as to confirm a code word corresponding to the serial number information and confirm a wave beam corresponding to the code word, and the sending end transmits signals by adopting the confirmed wave beam, thereby improving the performance of a quantized beam forming system, and ensuring the small acquired quantity and avoiding the redundancy during the operation process of the system.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method, system and device for anti-feedback error. Background technique [0002] With people's increasing requirements for high-speed and extensive information access, wireless access technologies such as 3G cellular networks and wireless local area networks that can provide data services have developed rapidly, including multi-antenna technology. Multi-antenna technology can effectively use space resources and improve the frequency band utilization of the system, thus improving the limitations of wireless link bandwidth and power existing in the existing network system, as well as bottleneck problems such as multipath fading, interference and Doppler effect , which in turn provides the performance of the system. Therefore, multi-antenna technology has become the core technology of 3G and 4G. [0003] Among the various existing multi-antenna technologies, the b...

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Problems solved by technology

[0006] In the process of implementing the present invention, the inventor found that in the existing quantized beamforming system, when the receiving end feeds back the codeword sequence number information corresponding to the beam to be used by the sending end to the sending end, due to the inevitable transmission channel Fading, resulting in the error of the above codeword sequence number information, causing the sending end to use the wrong beam that does not match the current transmission channel for communication services, resulting in deterioration of system performance

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