Hybrid relay selection method for intensive communication network

A communication network and hybrid technology, applied in the field of hybrid relay selection, can solve problems such as increasing network overhead, and achieve the effect of system stability and strong scalability

Active Publication Date: 2020-10-30
广西华南通信股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The purpose of the present invention is to provide a hybrid relay selection method for dense communication networks, so as to solve the problem of increasing the number of schemes based on physical location information and average signal-to-noise ratio when performing relay selection in existing real-time mobile networks. The problem with network overhead

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  • Hybrid relay selection method for intensive communication network
  • Hybrid relay selection method for intensive communication network
  • Hybrid relay selection method for intensive communication network

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Embodiment Construction

[0044] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.

[0045]In a wireless communication system with multiple carriers and multiple forwarding stations in a dense communication network, how to reasonably configure relay station resources so that the performance of the communication system meets the requirements without causing excessive signaling loss and system complexity For one purpose, this embodiment proposes a hybrid relay selection scheme suitable for dense communication networks. The reason why it is called a "hybrid" relay selection scheme is because this scheme has both "distributed" processing content, that is, multiple relays distribute feedback channel information through timers; and "centralized" processing at the same time content, that is, after the informa...

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Abstract

The invention relates to the technical field of communication networks, and particularly discloses a hybrid relay selection method for an intensive communication network, which comprises the followingsteps: taking a group of switching nodes as an information source node and an information sink node, M configurable relay nodes being arranged between the group of switching nodes, and K subcarriersbeing used by the group of switching nodes; and excluding relay nodes at adverse positions by setting parameters of an adjustment timer. The channel state information monitoring burden of the information source node can be reduced, and the burden is distributed to each relay node for bearing in a 'distributed' manner; the dynamic balance among the system stability, the time delay and the signalingburden can be conveniently realized by adjusting the parameters of the timer; and meanwhile, the method is high in expandability, and the method can be easily expanded to super-multi-antenna selection and other complex communication resource allocation scenes.

Description

technical field [0001] The invention belongs to the technical field of communication networks, in particular to a hybrid relay selection method for dense communication networks. Background technique [0002] In wireless communication, people use relays to increase the communication distance and expand the signal coverage. The relay turns a link with poor communication quality into two links with better communication quality, improving communication throughput. In Cooperative Relaying-WSNs (CR-WSNs), a source node and a destination node transmit data with the assistance of a relay node. [0003] There are two ways of relay forwarding signals: amplification and forwarding strategy (AF) and decoding and forwarding strategy (DF). In the AF mode, the relay node simply amplifies and forwards the signal. The advantage of this forwarding method is that the delay is low. The disadvantage is that the noise is also amplified while the signal is amplified, and a good signal-to-noise r...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/12H04W40/22
CPCH04W40/12H04W40/22Y02D30/70
Inventor 傅天豪党舒平黎成中
Owner 广西华南通信股份有限公司
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