Improved Cognitive Networking through Full Duplex Cooperative ARQ and HARQ

Vahid Towhidlou; Mohammad Shikh-Bahaei

doi:10.1109/LWC.2017.2766143

Improved Cognitive Networking through Full Duplex Cooperative ARQ and HARQ

Vahid Towhidlou, Mohammad Shikh-Bahaei

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

In this letter, a cooperative Automatic Repeat reQuest (ARQ) scheme for cognitive radio networks with full duplex capability is proposed. Cognitive system takes advantage of opportunities arising during the primary’s ARQ rounds for transmission of cognitive data whilst cooperating with primary network at the same time. The performance of this method has been investigated for ARQ and Hybrid ARQ (HARQ) modes, in terms of data link layer Packet Error Rate (PER) and the primary and secondary throughputs, and its effectiveness is verified via simulations. It is shown that activity of the secondary network during primary’s retransmission rounds does not affect primary's performance in ARQ mode, and would even improve primary’s throughput in HARQ mode.

Original language	English
Journal	IEEE Wireless Communications Letters
Issue number	99
Early online date	24 Oct 2017
DOIs	https://doi.org/10.1109/LWC.2017.2766143
Publication status	Published - Apr 2018

Keywords

Cognitive radio
cognitive radio
cooperative ARQ
Error analysis
Fading channels
Full duplex communication
Interference
MAC layer packet error rate.
Signal to noise ratio
Silicon
Transmitting antennas

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10.1109/LWC.2017.2766143

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title = "Improved Cognitive Networking through Full Duplex Cooperative ARQ and HARQ",

abstract = "In this letter, a cooperative Automatic Repeat reQuest (ARQ) scheme for cognitive radio networks with full duplex capability is proposed. Cognitive system takes advantage of opportunities arising during the primary{\textquoteright}s ARQ rounds for transmission of cognitive data whilst cooperating with primary network at the same time. The performance of this method has been investigated for ARQ and Hybrid ARQ (HARQ) modes, in terms of data link layer Packet Error Rate (PER) and the primary and secondary throughputs, and its effectiveness is verified via simulations. It is shown that activity of the secondary network during primary{\textquoteright}s retransmission rounds does not affect primary's performance in ARQ mode, and would even improve primary{\textquoteright}s throughput in HARQ mode.",

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AB - In this letter, a cooperative Automatic Repeat reQuest (ARQ) scheme for cognitive radio networks with full duplex capability is proposed. Cognitive system takes advantage of opportunities arising during the primary’s ARQ rounds for transmission of cognitive data whilst cooperating with primary network at the same time. The performance of this method has been investigated for ARQ and Hybrid ARQ (HARQ) modes, in terms of data link layer Packet Error Rate (PER) and the primary and secondary throughputs, and its effectiveness is verified via simulations. It is shown that activity of the secondary network during primary’s retransmission rounds does not affect primary's performance in ARQ mode, and would even improve primary’s throughput in HARQ mode.

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KW - Fading channels

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KW - Interference

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KW - Transmitting antennas

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Improved Cognitive Networking through Full Duplex Cooperative ARQ and HARQ

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Keywords

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