The University of Southampton
University of Southampton Institutional Repository

Adaptive modulation for multihop communications exploiting multihop diversity

Adaptive modulation for multihop communications exploiting multihop diversity
Adaptive modulation for multihop communications exploiting multihop diversity
In multihop diversity aided multihop links, the nodes are assumed to have buffers for temporarily storing
their received packets for further transmission at instances of good channel quality. Since adaptive modulation is employed, the number of packets in each time slot is affected both by the channel quality and the buffer fullness. During each time-slot (TS), the criterion used for activating a specific hop is that of transmitting the highest number of packets. When more than one hop are capable of transmitting the same number of packets, the particular hop having the highest channel quality (reliability) is activated. Hence we refer to this regime as the Maximum Throughput Adaptive Rate Transmission (MTART) scheme. The bit error ratio (BER), the outage probability (OP), the throughput as well as the bandwidth-efficiency of the MTART scheme is analyzed. Our results demonstrate that our MTART regime has the potential of significantly outperforming conventional adaptive modulation. Naturally, the BER is improved by the buffering scheme advocated at the cost of an increased delay. Hence the distribution of the end-to-end packet delay will also be characterized.
Dong, Chen
dac9f067-33fb-47a2-b789-b3d131d8d866
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1
Dong, Chen
dac9f067-33fb-47a2-b789-b3d131d8d866
Yang, Lie-Liang
ae425648-d9a3-4b7d-8abd-b3cfea375bc7
Hanzo, L.
66e7266f-3066-4fc0-8391-e000acce71a1

Dong, Chen, Yang, Lie-Liang and Hanzo, L. (2014) Adaptive modulation for multihop communications exploiting multihop diversity. Pre-print. (Submitted)

Record type: Article

Abstract

In multihop diversity aided multihop links, the nodes are assumed to have buffers for temporarily storing
their received packets for further transmission at instances of good channel quality. Since adaptive modulation is employed, the number of packets in each time slot is affected both by the channel quality and the buffer fullness. During each time-slot (TS), the criterion used for activating a specific hop is that of transmitting the highest number of packets. When more than one hop are capable of transmitting the same number of packets, the particular hop having the highest channel quality (reliability) is activated. Hence we refer to this regime as the Maximum Throughput Adaptive Rate Transmission (MTART) scheme. The bit error ratio (BER), the outage probability (OP), the throughput as well as the bandwidth-efficiency of the MTART scheme is analyzed. Our results demonstrate that our MTART regime has the potential of significantly outperforming conventional adaptive modulation. Naturally, the BER is improved by the buffering scheme advocated at the cost of an increased delay. Hence the distribution of the end-to-end packet delay will also be characterized.

Image
MHD_AMC_MAC_B4.gif - Other
Download (1MB)
Image
MHD_AMC_MAC_B8.gif - Other
Download (1MB)
Text
berfadingamc.m - Other
Download (5kB)
Text
MHDAMCResponse3.m - Other
Download (3kB)
Text
MAC-Protocol.pdf - Other
Download (177kB)

Show all 5 downloads.

More information

Submitted date: 2014
Organisations: Southampton Wireless Group

Identifiers

Local EPrints ID: 348686
URI: http://eprints.soton.ac.uk/id/eprint/348686
PURE UUID: cc7471b2-cc5b-47db-bd1c-05b6e8515ffd
ORCID for Lie-Liang Yang: ORCID iD orcid.org/0000-0002-2032-9327
ORCID for L. Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 18 Feb 2013 13:16
Last modified: 07 Jul 2020 00:26

Export record

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×