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Feedback interval for link adaptation in TDMA‐based single‐carrier VHF narrowband mobile ad‐hoc networks
Author(s) -
Helmle S.,
Dehm M.,
Kuhn M.,
Lieckfeldt D.,
Pesch D.
Publication year - 2014
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2013.2991
Subject(s) - narrowband , time division multiple access , computer network , computer science , mobile ad hoc network , throughput , overhead (engineering) , wireless ad hoc network , interval (graph theory) , channel (broadcasting) , wireless , telecommunications , network packet , mathematics , combinatorics , operating system
The impact of a link adaptation feedback interval on user net throughput for time division multiple access (TDMA)‐based single‐carrier very high frequency (VHF) narrowband mobile ad‐hoc networks (MANETs) is investigated. Specifically for the narrowband MANETs optimisation of the signalling overhead is one of the major challenges. Reducing the overhead means that more user data can be transmitted; however, the quality of channel quality feedback information will be lower, resulting in potentially inaccurate link adaptation decisions. The results from Monte Carlo computer simulation show that a global maximum for the throughput with respect to interval exists. The achievable throughput, however, strongly depends on the user mobility pattern.

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