Cognitive network spectrum access for emergency communications

A wireless cognitive network opportunistic spectrum accessing scheme which provided delay guarantee for emergency communications was proposed.Primary user (PU) and secondary users (SU) shared the spectrum resources according to the discrete time two-level exhausted and limited (k=1) polling mechanis...

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Bibliographic Details
Main Authors: Zheng GUAN, Wen-hua QIAN, Mei-le YU
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2012-11-01
Series:Tongxin xuebao
Subjects:
Online Access:http://www.joconline.com.cn/thesisDetails#10.3969/j.issn.1000-436x.2012.z2.025