IEEE 802.15.4a CSS系统RAKE接收方法

2009 Third International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies Pub Date : 2009-10-11 DOI:10.1109/UBICOMM.2009.37

Jindoo Jeong, Seong-Hyun Jang, J. Chong

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引用次数: 3

摘要

为了抑制多径衰落信道的影响，本文提出了两种啁啾扩频(CSS)系统的RAKE接收方法。第一种方法使用简单的累加器来收集多路径的能量，降低了算法的复杂度。二是采用多符号差分检测(MS-DD)的概念，提高差分检测的PER性能。我们通过漫反射信道中的蒙特卡罗模拟验证了所提出的架构。仿真结果表明，RAKE接收方式可以有效地降低多径信道下的性能下降。

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RAKE Receiving Methods for IEEE 802.15.4a CSS System

In this paper, we propose two RAKE receiving methods of the chirp spread spectrum (CSS) system to suppress the influence of the multipath-fading channel. The first one has low complexity by using the simple accumulator to collect the energies of the multi-paths. The second one can enhance the PER performance of the differential detection by adopting the concept of the multiple-symbol differential detection (MS-DD). We verified the proposed architectures through Monte-carlo simulations in diffuse channels. The simulation results show that the RAKE receiving methods can efficiently reduce performance degradation in multipath channel.

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2009 Third International Conference on Mobile Ubiquitous Computing, Systems, Services and Technologies

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