Relay method, base station and user equipment for combined analog network coding

Abstract

The invention provides a relay method, a receiving method, a base station and user equipment for joint analog network coding, which are used in a cellular network system with a relay station. The relay method comprises the following steps: receiving information signals from a plurality of base stations eNB; carrying out sampling and A / D conversion of the received signals; carrying out analog network coding of the level of an analog signal carrying information from a plurality of base stations; forwarding a symbol obtained after the analog network coding; and receiving the forwarded symbol, and converting the symbol into an information signal. The combination of wireless relay and the analog network coding represents a low-cost and low-complexity proposal; and when the UE is on the edge ofa cell, the proposal can improve the performance of service transmission and increase coverage of the cell.

Description

technical field [0001] The present invention relates to wireless cellular network communication, in particular to high-speed broadband wireless communication, such as OFDM based on 3GPP LTE, and more specifically to a joint analog network coding relay method, its receiving and transmitting method and equipment. Background technique [0002] Broadly speaking, network coding is a multicast technology in which nodes in the network encode received information and then forward it out. Multicast (also known as multicast) is an important communication method in the network. When one or several nodes send data to several other nodes at the same time, it is often necessary to rely on the transmission of other nodes. In traditional networks, nodes acting as relays can only replicate, amplify, and forward received signals, which is sometimes a waste of network resources. Network coding technology breaks this limitation, it allows the relay node to encode the received information, and...

AI Technical Summary

Problems solved by technology

But when the UE is far away from the site, such as at the cell edge, there is no particularly good technique to improve service transmission performance to increase spectral efficiency

[0004] The wireless repeater concept has been introduced in WiMax but has not been discussed in cellular networks

Because the present invention is a new application in cellular network communication, there is no solution in the current prior art

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