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Three-step multi-carrier wireless forwarding station resource optimal configuration strategy

A configuration strategy and resource optimization technology, applied in wireless communication, electrical components, etc., can solve the problems of high signaling loss and low system performance, and achieve the effects of enhanced stability, low computational complexity, and simple optimization steps.

Active Publication Date: 2020-05-08
广西华南通信股份有限公司
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Problems solved by technology

[0004] The present invention aims at the technical problem that the system performance after configuration in the multi-carrier wireless repeater station configuration method is far lower than the modern communication requirements, resulting in excessive signaling loss and system complexity in the wireless communication system of carrier multi-carrier stations, and proposes A three-step multi-carrier wireless repeater resource allocation strategy. For a pair of multi-carrier switching nodes, it only needs to allocate up to two repeater stations according to three simple steps each time, and then increase the signal transmission power of the transmitter , the stability of the optimal system can be achieved

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  • Three-step multi-carrier wireless forwarding station resource optimal configuration strategy
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  • Three-step multi-carrier wireless forwarding station resource optimal configuration strategy

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Embodiment Construction

[0040] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so that the protection scope of the present invention can be defined more clearly.

[0041] Such as figure 1 , figure 2 As shown, the implementation environment and process of a three-step multi-carrier wireless repeater station resource optimization configuration strategy in this embodiment: There are a pair of switching nodes in the multi-carrier multi-carrier multi-transfer station two-hop cooperative communication system, which are respectively used as the source and As the sink, there are 4 repeaters (M=4) and 8 carriers (K=8). Assuming that through network detection and channel estimation, we get the direct transmission channel gains of 8 carriers as shown in Table 1:

[0042] k＝1 k＝2 k＝3 k＝4 k＝5 k...

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Abstract

The invention relates to the field of communication network technology and smart city service support, and discloses a three-step multi-carrier wireless forwarding station resource optimal configuration strategy, which comprises the following steps of: 1, after initialization, obtaining detection information by detecting a communication environment and network information, 2, performing subcarrierclassification on the independent subcarriers obtained in the step 1 according to a subcarrier classification criterion to obtain a direct transmission subcarrier set and a forwarding subcarrier set,and 3, judging whether the direct transmission subcarrier set and the forwarding subcarrier set obtained in the step 2 are null sets or not, and adopting different transmission modes for different conditions. For one-to-many carrier switching nodes, at most two forwarding stations are allocated according to three simple steps each time, and then the stability of the optimal system can be achievedby improving the signal transmitting power of a transmitting end.

Description

technical field [0001] The present invention relates to the field of communication network technology and smart city service support technology, and more specifically, to a three-step multi-carrier wireless forwarding station resource optimization configuration strategy. Background technique [0002] In modern communication systems, with the continuous improvement of the number of access users and communication throughput, multi-carrier wireless communication protocols and frameworks based on OFDM are becoming more and more common. Since the introduction and implementation of 4G networks, almost all Most user-oriented wireless communication systems are multi-carrier communication systems. At the same time, as the coverage of communication networks becomes wider and wider, cooperative communication based on wireless repeater stations is gradually widely used as an auxiliary communication method to improve the overall performance of wireless communication networks. The wirele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W72/04
CPCH04W24/02H04W72/0453H04W72/53
Inventor 党舒平黎成中韦林昌
Owner 广西华南通信股份有限公司
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