Outage analysis of cognitive Z-interference channel with two-path cognitive relaying

Faheem A. Khan; T. Ratnarajah; Shankar Prakriya

doi:10.1109/UKIWCWS.2010.5724234

Outage analysis of cognitive Z-interference channel with two-path cognitive relaying

Faheem A. Khan, T. Ratnarajah, Shankar Prakriya

School of Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract / Description of output

In this paper, we analyze the outage performance of cognitive Z-interference channel where two-path cognitive relaying is used to improve bandwidth utilization efficiency of cognitive user transmission while simultaneously leading to improvement in outage performance of primary user. Cognitive relays have non-causal message knowledge of cognitive user and use interference pre-cancellation scheme to cancel interference due to cognitive transmission at primary receiver. We derive analytical results for outage probability and diversity-multiplexing tradeoff to prove the efficiency of proposed protocol. Simulations results demonstrate that the proposed protocol achieves large outage capacity, ergodic capacity and diversity gain for primary user while achieving improved outage capacity for cognitive user.

Original language	English
Title of host publication	Proceedings - 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010
DOIs	https://doi.org/10.1109/UKIWCWS.2010.5724234
Publication status	Published - 1 Dec 2010
Event	2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010 - New Delhi, United Kingdom Duration: 13 Dec 2010 → 14 Dec 2010

Conference

Conference	2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010
Country/Territory	United Kingdom
City	New Delhi
Period	13/12/10 → 14/12/10

Keywords / Materials (for Non-textual outputs)

Cognitive radio
Cognitive relaying
Interference channel
Outage capacity
Outage probability

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10.1109/UKIWCWS.2010.5724234

Cite this

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title = "Outage analysis of cognitive Z-interference channel with two-path cognitive relaying",

abstract = "In this paper, we analyze the outage performance of cognitive Z-interference channel where two-path cognitive relaying is used to improve bandwidth utilization efficiency of cognitive user transmission while simultaneously leading to improvement in outage performance of primary user. Cognitive relays have non-causal message knowledge of cognitive user and use interference pre-cancellation scheme to cancel interference due to cognitive transmission at primary receiver. We derive analytical results for outage probability and diversity-multiplexing tradeoff to prove the efficiency of proposed protocol. Simulations results demonstrate that the proposed protocol achieves large outage capacity, ergodic capacity and diversity gain for primary user while achieving improved outage capacity for cognitive user.",

keywords = "Cognitive radio, Cognitive relaying, Interference channel, Outage capacity, Outage probability",

author = "Khan, {Faheem A.} and T. Ratnarajah and Shankar Prakriya",

year = "2010",

month = dec,

day = "1",

doi = "10.1109/UKIWCWS.2010.5724234",

language = "English",

isbn = "9781424491476",

booktitle = "Proceedings - 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010",

note = "2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010 ; Conference date: 13-12-2010 Through 14-12-2010",

}

Khan, FA, Ratnarajah, T & Prakriya, S 2010, Outage analysis of cognitive Z-interference channel with two-path cognitive relaying. in Proceedings - 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010., 5724234, 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010, New Delhi, United Kingdom, 13/12/10. https://doi.org/10.1109/UKIWCWS.2010.5724234

TY - GEN

T1 - Outage analysis of cognitive Z-interference channel with two-path cognitive relaying

AU - Khan, Faheem A.

AU - Ratnarajah, T.

AU - Prakriya, Shankar

PY - 2010/12/1

Y1 - 2010/12/1

N2 - In this paper, we analyze the outage performance of cognitive Z-interference channel where two-path cognitive relaying is used to improve bandwidth utilization efficiency of cognitive user transmission while simultaneously leading to improvement in outage performance of primary user. Cognitive relays have non-causal message knowledge of cognitive user and use interference pre-cancellation scheme to cancel interference due to cognitive transmission at primary receiver. We derive analytical results for outage probability and diversity-multiplexing tradeoff to prove the efficiency of proposed protocol. Simulations results demonstrate that the proposed protocol achieves large outage capacity, ergodic capacity and diversity gain for primary user while achieving improved outage capacity for cognitive user.

AB - In this paper, we analyze the outage performance of cognitive Z-interference channel where two-path cognitive relaying is used to improve bandwidth utilization efficiency of cognitive user transmission while simultaneously leading to improvement in outage performance of primary user. Cognitive relays have non-causal message knowledge of cognitive user and use interference pre-cancellation scheme to cancel interference due to cognitive transmission at primary receiver. We derive analytical results for outage probability and diversity-multiplexing tradeoff to prove the efficiency of proposed protocol. Simulations results demonstrate that the proposed protocol achieves large outage capacity, ergodic capacity and diversity gain for primary user while achieving improved outage capacity for cognitive user.

KW - Cognitive radio

KW - Cognitive relaying

KW - Interference channel

KW - Outage capacity

KW - Outage probability

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U2 - 10.1109/UKIWCWS.2010.5724234

DO - 10.1109/UKIWCWS.2010.5724234

M3 - Conference contribution

AN - SCOPUS:79952922311

SN - 9781424491476

BT - Proceedings - 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010

T2 - 2010 2nd UK-India-IDRC International Workshop on Cognitive Wireless Systems, UKIWCWS 2010

Y2 - 13 December 2010 through 14 December 2010

ER -

Outage analysis of cognitive Z-interference channel with two-path cognitive relaying

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Keywords / Materials (for Non-textual outputs)

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