Power control for time-varying cognitive radio networks

Ruifeng Duan, M. Elmusrati, R. Jäntti, R. Virrankoski
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引用次数: 5

Abstract

In this paper we propose a new power control scheme for cognitive radios, Distributed Power Control Algorithm for Cognitive Radios (DPCACR). As we know that in a cognitive system, the secondary users (SU) either transmit in an opportunistic way or coexist with the primary users to transmit simultaneously under the constraints that will not harm to the primary users. Previously, the interference temperature was announced to limit the transmit power of SUs. However, in 2007 the FCC has abandoned the concept which is not workable. In this paper, we consider the elastic transmission scenario for secondary system. The cognitive networks using code-division multiple access (CDMA) technology to transmit simultaneously with primary users in the same spectral band.
时变认知无线电网络的功率控制
本文提出了一种新的认知无线电功率控制方案——分布式认知无线电功率控制算法(DPCACR)。我们知道,在认知系统中,次要用户要么以机会主义的方式传输,要么与主要用户共存,在不损害主要用户的约束下同时传输。以前,干扰温度被宣布为限制单元的发射功率。然而,在2007年,联邦通信委员会放弃了这个不可行的概念。本文考虑二次系统的弹性传输方案。认知网络采用码分多址(CDMA)技术与主用户在同一频段内同时传输。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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