DocumentCode :
3358319
Title :
Asymmetric Traffic Accommodation Using Multihop Transmission in CDMA/FDD Cellular Systems
Author :
Mori, Kazuo ; Naito, Katsuhiro ; Kobayashi, Hideo
Author_Institution :
Mie Univ., Kobayashi
fYear :
2007
fDate :
1-5 July 2007
Firstpage :
1
Lastpage :
5
Abstract :
The asymmetric traffic between uplink and downlink over recent mobile communication systems has been becoming conspicuous because of providing new communication services. This paper proposes an asymmetric traffic accommodation scheme using a multihop transmission technique for CDMA/FDD cellular communication systems. The proposed scheme exploits the multihop transmission for downlink packet transmissions which require the large transmission power at their single-hop transmissions in order to increase the downlink capacity. In these multihop transmissions, the frequency band allocated to the uplink is used for the transmissions from relay stations to destination mobile stations, and this leads more capacity enhancement in the downlink communications. The proposed scheme is evaluated by computer simulation and the results show that the proposed scheme can achieve better system performance.
Keywords :
cellular radio; code division multiple access; frequency division multiplexing; packet radio networks; telecommunication traffic; CDMA; FDD; asymmetric traffic accommodation; cellular communication systems; destination mobile stations; downlink capacity; downlink packet transmissions; mobile communication systems; multihop transmission; relay stations; single-hop transmissions; Base stations; Communication system traffic; Downlink; Mobile communication; Multiaccess communication; Multimedia communication; Power system relaying; Spread spectrum communication; Time varying systems; Traffic control;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Mobile and Wireless Communications Summit, 2007. 16th IST
Conference_Location :
Budapest
Print_ISBN :
963-8111-66-6
Electronic_ISBN :
963-8111-66-6
Type :
conf
DOI :
10.1109/ISTMWC.2007.4299076
Filename :
4299076
Link To Document :
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