Title :
Multi-channel for multihop communication links
Author_Institution :
Nat. Inst. of Stand. & Technol., Gaithersburg, MD
Abstract :
This paper presents a multi-channel transmission scheme for multihop links. The scheme aims at eliminating the effect of interferences from relay nodes in a CSMA/CA network. This is achieved by developing a link-partitioning scheme where nodes in the neighboring partitions operate at different non-overlapping frequency bands. For mobile ad-hoc network communications where a multihop link may change dynamically, we also present a systematic channel assignment technique, which has been specifically developed for the ad-hoc on-demand distance vector (AODV) routing protocol. It is shown that the proposed multi-channel system can effectively suppress intra-path interference, hence considerably enhance the throughput performance for continuous media communications.
Keywords :
ad hoc networks; carrier sense multiple access; channel allocation; interference suppression; multimedia communication; radio links; routing protocols; CSMA-CA network; ad-hoc on-demand distance vector; continuous media communication; interference effect; intrapath interference suppression; link-partitioning scheme; multichannel transmission scheme; multihop communication link; nonoverlapping frequency band; routing protocol; systematic channel assignment technique; Ad hoc networks; Frequency; Interference elimination; Interference suppression; Mobile communication; Multiaccess communication; Relays; Routing protocols; Spread spectrum communication; Throughput;
Conference_Titel :
Telecommunications, 2008. ICT 2008. International Conference on
Conference_Location :
St. Petersburg
Print_ISBN :
978-1-4244-2035-3
Electronic_ISBN :
978-1-4244-2036-0
DOI :
10.1109/ICTEL.2008.4652657
