A multi-antenna multiplexing transmission system based on ngb‑w

Abstract

The invention provides an NGB-W-based multi-antenna multiplex transmission system. The NGB-W-based multi-antenna multiplex transmission system comprises a sending device and a receiving device, wherein the sending device comprises a dual-antenna mapping module, a precoding processing module, a time interleaving module, a framing module, a frequency domain interleaving module and an OFDM symbol generation module; the receiving module comprises an OFDM demodulation module, a channel estimation module, a multi-antenna channel matrix processing module, a frequency domain solution interleaving module, a frame extraction module, a time solution interleaving module, a multi-antenna demodulation module and a multi-antenna solution mapping module. NGB-W system transmission signals are subjected to precoding processing comprising constant precoding matrix and phase jump matrix processing, the performance gains under broadcasting system related channel transmission can be improved, and the problem that an NGB-W system broadcast can not obtain a higher transmission rate in the prior art is solved.

Description

technical field [0001] The present invention relates to the technical field of mobile communications, in particular to the technical field of multi-antenna transmission methods in the field of mobile communications, and specifically to an NGB-W-based multi-antenna multiplexing transmission system. Background technique [0002] With the rapid development of world economy and culture, the demand of mobile users for information services is increasing rapidly. Relying solely on the traditional broadcasting network or the traditional two-way communication network, it is impossible to realize the optimal transmission of mobile information services. The next-generation radio and television network wireless (NGB-W) communication system can realize the fusion and coexistence of wireless broadcasting and two-way communication, and is an effective way to solve the contradiction between the rapid growth of mobile information service data volume and the limited transmission capacity of w...

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Problems solved by technology

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a multi-antenna multiplexing transmission system based on NGB-W, which is used to solve the problem that the NGB-W system broadcast cannot obtain a higher transmission rate in the prior art. question

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