Throughput of the multi-hop slotted aloha with multi-packet reception

M. Coupechoux; T. Lestable; C. Bonnet; V. Kumar

Throughput of the multi-hop slotted aloha with multi-packet reception

M. Coupechoux, T. Lestable, C. Bonnet, V. Kumar

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

Abstract

In this paper, we analyse the throughput of a multihop network, where nodes use slotted ALOHA as medium access protocol (MAC) and are able to receive simultaneously several packets in a slot. We provide a closed-form formula for the throughput in the generic case as a function of the probability, r_n,k, for a receiver to decode k packets given that n have been sent in its neighborhood. We then consider several simple models for the computation of the r_n,k, when spread slotted ALOHA is used. In particular, we compare the performances of a matched filter (MF) receiver with those of a linear minimum meansquare error (MMSE) multi-user detector (MUD). Capacity results show the great advantage of multi-packet reception and highlight the near-far resistance of the MUD scheme.

Original language	English
Pages (from-to)	301-314
Number of pages	14
Journal	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	2928
Publication status	Published - 1 Jan 2003
Externally published	Yes

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AU - Bonnet, C.

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N2 - In this paper, we analyse the throughput of a multihop network, where nodes use slotted ALOHA as medium access protocol (MAC) and are able to receive simultaneously several packets in a slot. We provide a closed-form formula for the throughput in the generic case as a function of the probability, rn,k, for a receiver to decode k packets given that n have been sent in its neighborhood. We then consider several simple models for the computation of the rn,k, when spread slotted ALOHA is used. In particular, we compare the performances of a matched filter (MF) receiver with those of a linear minimum meansquare error (MMSE) multi-user detector (MUD). Capacity results show the great advantage of multi-packet reception and highlight the near-far resistance of the MUD scheme.

AB - In this paper, we analyse the throughput of a multihop network, where nodes use slotted ALOHA as medium access protocol (MAC) and are able to receive simultaneously several packets in a slot. We provide a closed-form formula for the throughput in the generic case as a function of the probability, rn,k, for a receiver to decode k packets given that n have been sent in its neighborhood. We then consider several simple models for the computation of the rn,k, when spread slotted ALOHA is used. In particular, we compare the performances of a matched filter (MF) receiver with those of a linear minimum meansquare error (MMSE) multi-user detector (MUD). Capacity results show the great advantage of multi-packet reception and highlight the near-far resistance of the MUD scheme.

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JO - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

JF - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)

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Throughput of the multi-hop slotted aloha with multi-packet reception

Abstract

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