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Title: Optimization of a p-persistent Network Diversity Multiple Access Protocol for a SC-FDE System
Authors: Pereira, M. P.
Bernardo, Luis
Dinis, Rui
Keywords: Cross-layer optimization
Multi-packet detection
K-limited network diversity multiple access (NDMA) protocol
P-Persistent random access
Issue Date: Dec-2013
Publisher: IEEE
Citation: M.P. Pereira, L. Bernardo, R. Dinis, R. Oliveira, P. Carvalho, P. Pinto, Optimization of a p-persistent Network Diversity Multiple Access Protocol for a SC-FDE System, IEEE Trans. on Wireless Communications, Vol. 12, No. 12, pp. 5953 - 5965, December, 2013
Abstract: This paper presents a Medium Access Control (MAC) protocol solution designed to properly handle collisions when in the presence of a multi-packet detection receiver for Single-Carrier (SC) modulations with Frequency-Domain Equalization (FDE). It is considered an iterative frequency-domain receiver that jointly performs equalization, multi-packet separation and channel decoding operations, for up to Qmax mobile terminals transmitting in one slot. In this work, it is proposed and evaluated a p-persistent Network Diversity Multiple Access (NDMA) random MAC protocol designed to cope with a total number of mobile terminals J, for a maximum decoding capability of Qmax simultaneous packets. An accurate analytical model is presented to optimize two different scenarios: in the first one, a saturated network is considered and it is determined the packet transmission probability that maximizes the uplink throughput; the second represents a non-saturated network and the goal is to compute the optimal transmission probability associated to each mobile terminal that minimizes the packet transmission delay. In the end, analytical results obtained through physical and MAC layer simulations are discussed.
Peer Reviewed: yes
metadata.dc.identifier.doi: 10.1109/TWC.2013.110813.111056
ISSN: 1536-1276
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Appears in Collections:DCT - Artigos/Papers

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