Switch and examine transmit diversity for spectrum sharing systems

Mohamed Abdallah, Mohamed Slim Alouini, Khalid Qaraqe

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

In this paper, we develop a switch and examine transmit diversity algorithm for spectrum sharing cognitive networks. We consider a cognitive network composed of a primary link that employs constant rate and constant power transmission scheme with automatic-and-repeat request (ARQ) protocol, while the secondary link is composed of a fixed power multiple-antenna secondary transmitter and a single antenna receiver. Our objective is to develop a low complex transmit diversity algorithm at the secondary transmitter that maximizes the performance of the secondary link in terms of the effective throughput while maintaining a predetermined maximum loss in the packet rate of the primary link. In achieving this objective, we develop an algorithm that selects the best antenna, which maintains the quality of the secondary link in terms of signal-to-noise ratio above a specific threshold, based on overhearing the acknowledgment (ACK) and negative acknowledgment (NACK) feedback messages transmitted over the primary link. We also develop closed form expressions for the bit error rates and the effective throughput of the secondary link.

Original languageEnglish
Title of host publication2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011
Pages121-125
Number of pages5
DOIs
Publication statusPublished - 2011
Event2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011 - San Francisco, CA, United States
Duration: 26 Jun 201129 Jun 2011

Other

Other2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011
CountryUnited States
CitySan Francisco, CA
Period26/6/1129/6/11

Fingerprint

Telecommunication links
Switches
Antennas
Transmitters
Throughput
Power transmission
Bit error rate
Signal to noise ratio
Feedback

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Information Systems

Cite this

Abdallah, M., Alouini, M. S., & Qaraqe, K. (2011). Switch and examine transmit diversity for spectrum sharing systems. In 2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011 (pp. 121-125). [5990377] https://doi.org/10.1109/SPAWC.2011.5990377

Switch and examine transmit diversity for spectrum sharing systems. / Abdallah, Mohamed; Alouini, Mohamed Slim; Qaraqe, Khalid.

2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011. 2011. p. 121-125 5990377.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abdallah, M, Alouini, MS & Qaraqe, K 2011, Switch and examine transmit diversity for spectrum sharing systems. in 2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011., 5990377, pp. 121-125, 2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011, San Francisco, CA, United States, 26/6/11. https://doi.org/10.1109/SPAWC.2011.5990377
Abdallah M, Alouini MS, Qaraqe K. Switch and examine transmit diversity for spectrum sharing systems. In 2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011. 2011. p. 121-125. 5990377 https://doi.org/10.1109/SPAWC.2011.5990377
Abdallah, Mohamed ; Alouini, Mohamed Slim ; Qaraqe, Khalid. / Switch and examine transmit diversity for spectrum sharing systems. 2011 IEEE 12th International Workshop on Signal Processing Advances in Wireless Communications, SPAWC 2011. 2011. pp. 121-125
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