A call admission design for supporting prioritized voice application services in cellular CDMA systems
- Authors
- Kim, Dongwoo; Yu, Jaehwang
- Issue Date
- Nov-2003
- Publisher
- Oxford University Press
- Citation
- IEICE Transactions on Communications, v.E86B, no.11, pp 3355 - 3359
- Pages
- 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEICE Transactions on Communications
- Volume
- E86B
- Number
- 11
- Start Page
- 3355
- End Page
- 3359
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/46654
- ISSN
- 0916-8516
1745-1345
- Abstract
- A special group of voice application services (VASs) are promising contents for wireless as well as wireline networks. Without a designated call admission policy, VAS calls are expected to suffer from relatively high probability of blocking since they normally require better signal quality than ordinary voice calls. In this letter, we consider a prioritized call admission design in order to reduce the blocking probability of VAS calls, which makes the users feel the newly-provided VAS in belief. The VAS calls are given a priority by reserving a number of channel-processing hardwares. With the reservation, the blocking probability of prioritized VAS calls can be evidently reduced. That of ordinary calls, however, is increasing instead. This letter provides a system model that counts the blocking probabilities of VAS and ordinary calls simultaneously, and numerically examines an adequate level of the prioritization for VAS calls.
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