认知无线电中考虑机会容量的多业务资源分配

doi:10.3969/j.issn.1001-2400.2018.02.015

Abstract

Abstract:

The spectrum resource is time-varied in cognitive radio networks (CRNs) with dynamic spectrum environment, which makes the traditional static chunk-based allocation be of poor performance. To solve this issue, this paper derives an opportunistic capacity model for chunks with time-varied spectrum resources and presents an opportunistic capacity based chunk allocation model for heterogeneous services for CRNs under the time-varied spectrum environment. Simulation results illustrate that the proposed scheme can guarantee the Quality of Service (QoS) requirements of heterogeneous services in the situation with time-varied spectrum resources.

Key words: cognitive radio, spectrum allocation, chunk based allocation, opportunity capacity

HUANG Jie;ZENG Xiaoping;JIAN Xin;DU Derong;ZHU Bin;TIAN Mi. Resource allocation based on opportunistic capacity for cognitive radio networks with heterogeneous services[J].Journal of Xidian University, 2018, 45(2): 84-89+96.

References

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Resource allocation based on opportunistic capacity for cognitive radio networks with heterogeneous services

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