Error Probabilities of Noncoherent and Coherent FSK in the Presence of Frequency and Phase Offsets for Two-Hop Relay Networks

被引：8

作者：

Ju, MinChul ^{[1
]}

Kim, Il-Min ^{[1
]}

机构：

[1] Queens Univ, Dept Elect & Comp Engn, Kingston, ON, Canada

来源：

IEEE TRANSACTIONS ON COMMUNICATIONS | 2009年 / 57卷 / 08期

关键词：

Amplify-and-forward protocol; error probability; frequency and phase synchronization; frequency shift keying (FSK); two-hop relay networks; FADING CHANNELS; SENSOR NETWORKS; PERFORMANCE; DIVERSITY; SYSTEMS; BOUNDS;

D O I：

10.1109/TCOMM.2009.07.070510

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We analyze the error performance of two-hop relay networks adopting frequency shift keying (FSK) over frequency-flat Rayleigh fading channels. It is assumed that relay networks consist of a source, a relay, and a destination without a direct path signal from the source to the destination and the relay adopts the amplify-and-forward protocol with a fixed gain. Firstly, considering imperfect frequency and phase synchronization, we obtain the exact error probability expressions for noncoherent and coherent binary FSK (BFSK). Secondly, assuming perfect frequency and phase synchronization, we derive a closed-form error probability approximation for coherent M-ary FSK (MFSK). The proposed methods can also be used for the error performance analysis of classical one-hop FSK systems with perfect/imperfect frequency and phase synchronization. The obtained error probability expressions will help the design of two-hop relay networks adopting FSK in determining the system parameters such as the transmission power at the source, the amplifying coefficient at the relay, and the maximum affordable frequency and phase offsets to satisfy the required error performance.

引用

页码：2244 / 2250

页数：7

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