Spectrum allocation with SINR guarantee for cognitive wireless multi-hop networks

Jie SUN; Wei GUO; Wei TANG

doi:1000-436X(2011)11-0111-07

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Spectrum allocation with SINR guarantee for cognitive wireless multi-hop networks

Papers | 更新时间：2024-06-05

- Spectrum allocation with SINR guarantee for cognitive wireless multi-hop networks
- Journal on Communications Vol. 32, Issue 11, Pages: 111-117(2011)
- 作者机构：
- 作者简介：
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- DOI：1000-436X(2011)11-0111-07
  CLC： TP393
- Online First：2011-11，
  
  Published：25 November 2011
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Jie SUN, Wei GUO, Wei TANG. Spectrum allocation with SINR guarantee for cognitive wireless multi-hop networks[J]. Journal on Communications, 2011, 32(11): 111-117.
DOI：

Jie SUN, Wei GUO, Wei TANG. Spectrum allocation with SINR guarantee for cognitive wireless multi-hop networks[J]. Journal on Communications, 2011, 32(11): 111-117. DOI： 1000-436X(2011)11-0111-07.

摘要

为解决无线多跳网络在固定频谱分配方式下所固有的信道冲突等问题，利用认知无线电的动态频谱分配技术，提出了一种适用于次用户组成的无线多跳网络的、underlay方式下的全分布式频谱分配算法。该算法将频谱分配问题建模成静态非合作博弈，证明了纳什均衡点的存在，并给出了一种求解纳什均衡点的迭代算法。大量仿真实验证明，该算法能实现信道与功率的联合分配，在满足主用户干扰功率限制的同时，保证次用户接收信干噪比要求。

Abstract

To solve the problems inherent in fixed spectrum allocation wireless multi-hop networks such as channel collision

a full distributed spectrum allocation algorithm in‘underlay’fashion was proposed by using dynamic spectrum allocation technology in cognition radio

which was designed for wireless multi-hop networks formed with secondary users (SUs).This algorithm modeled the spectrum allocation problem as a static non-cooperative game

proofed the existence of Nash equilibrium (NE)

and proposed an iterative algorithm to solve the NE.Extensive numerical experiments demonstrated that this algorithm can achieve the joint allocation of channels and power

and guarantee SUs’ signal to interference plus noise ratio(SINR)request while satisfying primary users’interference power limit.

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references

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