Cognitive relay networks with underlay spectrum sharing and channel estimation error: Interference probability and BER analysis

This paper proposes accurate interference probability and bit error rate formulas for cognitive relay networks with underlay spectrum sharing and channel estimation error (CEE). Numerous results reveal that the CEE not only degrades the performance of secondary systems (SSs) but also increases interference power caused by SSs to primary systems (PSs), eventually unfavorable to both systems. A solution to further protect PSs from this effect through reducing the power of secondary transmitters is investigated and analyzed.

[1]  Kerstin Vogler,et al.  Table Of Integrals Series And Products , 2016 .

[2]  Albert H. Nuttall,et al.  Some integrals involving the QM function (Corresp.) , 1975, IEEE Trans. Inf. Theory.

[3]  Mansoor Shafi,et al.  Capacity Limits and Performance Analysis of Cognitive Radio With Imperfect Channel Knowledge , 2010, IEEE Transactions on Vehicular Technology.

[4]  Yue Gao,et al.  Outage Performance Study of Cognitive Relay Networks with Imperfect Channel Knowledge , 2013, IEEE Communications Letters.

[5]  Joseph Lipka,et al.  A Table of Integrals , 2010 .

[6]  Ho Van Khuong,et al.  Symbol Error Rate of Underlay Cognitive Relay Systems over Rayleigh Fading Channel , 2012, IEICE Trans. Commun..

[7]  Zan Li,et al.  On the Performance of Spectrum Sharing Cognitive Relay Networks with Imperfect CSI , 2012, IEEE Communications Letters.

[8]  Brian L. Mark,et al.  Cooperative communication with regenerative relays for cognitive radio networks , 2010, 2010 44th Annual Conference on Information Sciences and Systems (CISS).

[9]  Eduardo Morgado,et al.  End-to-End Average BER in Multihop Wireless Networks over Fading Channels , 2010, IEEE Transactions on Wireless Communications.

[10]  Khuong Ho-Van.  Performance Evaluation of Underlay Cognitive Multi-hop Networks Over Nakagami-m Fading Channels , 2013 .

[11]  Dongweon Yoon,et al.  On the general BER expression of one- and two-dimensional amplitude modulations , 2002, IEEE Trans. Commun..

[12]  Mohamed-Slim Alouini,et al.  Performance analysis of selective cooperation in underlay cognitive networks over Rayleigh channels , 2011, 2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications.

[13]  Mohamed-Slim Alouini,et al.  Digital Communication over Fading Channels: Simon/Digital Communications 2e , 2004 .

[14]  A. Nuttall.  Some Integrals Involving the (Q sub M)-Function , 1974 .

[15]  Cyril Leung,et al.  Performance analysis of a transmit diversity scheme in spatially correlated fading with imperfect channel estimation , 2003, 2003 IEEE Pacific Rim Conference on Communications Computers and Signal Processing (PACRIM 2003) (Cat. No.03CH37490).