On-demand SIR and bandwidth-guaranteed routing with transmit power assignment in ad hoc mobile networks
- Authors
- Kim, Dongwoo; Min, Chan ho; Kim, Sehun
- Issue Date
- Jul-2004
- Publisher
- IEEE
- Keywords
- Ad hoc mobile networks; bandwidth reservation; quality-of-service (QoS) routing; signal-to-interference (SIR) requirement; transmit power assignment
- Citation
- IEEE Transactions on Vehicular Technology, v.53, no.4, pp.1215 - 1223
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Transactions on Vehicular Technology
- Volume
- 53
- Number
- 4
- Start Page
- 1215
- End Page
- 1223
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/46632
- DOI
- 10.1109/TVT.2004.830140
- ISSN
- 0018-9545
- Abstract
- In this paper, we propose a novel on-demand quality-of-service (QoS) routing protocol, SBR [signal-to-interference (SIR) and bandwidth routing], which explicitly fulfills both SIR and bandwidth requirements from different multimedia users in ad hoc mobile networks. With SBR, bandwidth reservation is made by allocating time slots and SIR reservation is ensured by assigning adequate powers at the intermediate nodes between a source and a destination. The power-assignment method used in SBR supports finding routes that satisfy the SIR requirements as well as reduces the level of prevailing interference that necessarily occurs in multiple-access wireless networks. SBR also has a new backup capability of establishing multiple paths, even for a single connection, when the route search cannot find a single path that supports the QoS requirements, which contributes to reducing the probability of call denials in constructing the route due to a lack of suitable paths. Extensive simulations show that SBR significantly reduces the ratio of unsuccessful calls with modest routing overhead. © 2004 IEEE.
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