Packet Reservation Multiple Access (PRMA) with Random Contention

Alshanyour, Ahed; Mahmoud, Ashraf; Sheltami, Tarek R.; AlQahtani, Salman A.

doi:10.1109/aiccsa.2007.370878

Cited by 5 publications

(2 citation statements)

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“…There have been many proposals for enhancing the performance of PRMA which concentrated on improving channel efficiency more and providing some kind of fairness for data applications, neglecting the variable channel access delay problem [3][4][5][6][7][8][9][10]. Goodman et al previous work extended in [3] by examining the influence of a large number of system variables on PRMA performance.…”

Section: Related Workmentioning

confidence: 99%

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Performance of Random Contention PRMA: A Protocol for Fixed Wireless Access

AlQahtani¹,

Alshanyour²,

Mahmoud³

2011

IJCNS

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This paper introduces a packet reservation multiple access (PRMA) with random contention for fixed wireless access communications. The performance of PRMA scheme with random contention is compared with the performances of traditional PRMA under permission contention scheme. The proposed scheme is a simpler contention mechanism that does not depend on a pre-determined permission probability as PRMA under permission contention scheme. In this new method, terminals select the contention slot uniformly from the pool of remaining free slots in the current frame. We evaluate the performance of the new contention mechanism in terms of various metrics including maximum number of carried voice calls and packet delays for a given acceptable drop rate of voice packets. We show that the new mechanism is superior to that of PRMA under permission contention scheme for loaded systems and is expected to be insensitive for traffic source burstiness

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Section: Related Workmentioning

confidence: 99%

“…In this work, which is an extension of [9], we propose the use of a simple contention resolution method for voice terminals that does not depend on a pre-determined permission probability figure as in the original PRMA. In this method, the user selects a slot uniformly from the pool of remaining free slots in the frame.…”

Section: Related Workmentioning

confidence: 99%