On SNR as a measure of performance for narrowband interference rejection in direct sequence spread spectrum systems

Ansari, A.; Viswanathan, R.

doi:10.1109/26.380177

Cited by 10 publications

(1 citation statement)

References 3 publications

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“…In addition, we give some examples related to the SINR improvement defined as 17 ψ is shown to be a good metric of BER in typical conditions (moderately large processing gains) 25. The variance of the background thermal noise is set to be $\sigma_n^{2}=0.01$ and other conditions are the same as those in preceding simulation.…”

Section: Simulation Results and Performance Analysismentioning

confidence: 99%

Adaptive Rake receiver based on the nonlinear ACM technique

Xie¹,

Wang²,

Lin³

2012

Wireless Communications

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Ultra‐wideband (UWB) system is one of the possible solutions to future short‐range indoor data communications with large frequency bandwidth. However, it must coexist with other narrowband wireless systems that may cause interference to each other, and furthermore a large bandwidth will inevitably result in multi‐path fading. The Rake receiver is applicable to combat multi‐path fading but its performance degrades greatly when the narrowband interference (NBI) is present. Although some optimized Rake receivers were proposed to suppress the NBI, such as the minimum mean square error (MMSE) one, their computational complexities are usually too high to be practically implemented. In this paper, we present a new adaptive Rake receiver which can effectively suppress the NBI, based on the nonlinear Masreliez‐type approximate conditional mean (ACM) technique. Simulation results show that it outperforms the previous schemes and even it achieves almost the same performance as that of a MMSE Rake receiver but with much lower complexity. Copyright © 2010 John Wiley & Sons, Ltd.

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