Call admission control suitable for two-hop CDMA cellular systems

Author

Yamamoto, Koji ; Yoshida, Susumu

Author_Institution

Graduate Sch. of Informatics, Kyoto Univ., Japan

Volume

3

fYear

2003

fDate

6-9 Oct. 2003

Firstpage

1913

Abstract

A routing algorithm for two-hop CDMA cellular systems in combination with call admission control is proposed with the aim of capacity enhancement under heavy traffic load condition. Multihop transmissions are mainly applied to decrease the transmit power of each station and extend the cell coverage area for cellular systems. Here, in this paper, its potential benefit is studied that the multihop routing and spatial frequency reuse might increase the network capacity. A condition for interference reduction by changing some single-hop connections to two-hop connections is analyzed and an efficient routing scheme for two-hop CDMA cellular systems to reduce co-channel interference at the base station is proposed. Simulation results indicate that by using proposed routing algorithm in combination with call admission control, the network capacity is increased.

Keywords

cellular radio; cochannel interference; code division multiple access; telecommunication congestion control; telecommunication network routing; telecommunication traffic; call admission control; cochannel interference; heavy traffic load condition; multihop transmissions; network capacity; routing algorithm; two-hop CDMA cellular systems; Base stations; Call admission control; Frequency; Interchannel interference; Multiaccess communication; Power system relaying; Relays; Routing; Spread spectrum communication; Telecommunication traffic;

fLanguage

English

Publisher

ieee

Conference_Titel

Vehicular Technology Conference, 2003. VTC 2003-Fall. 2003 IEEE 58th

ISSN

1090-3038

Print_ISBN

0-7803-7954-3

Type

conf

DOI

10.1109/VETECF.2003.1285358

Filename

1285358