Presentation 2007-01-24
Asymmetric Traffic Accommodation Using Dowlink Multihop Transmission in CDMA/FDD Cellular Systems
Kazuo MORI, Kaztsuhiro NAITO, Hideo KOBAYASHI,
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Abstract(in English) 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 a novel CDMA/FDD cellular packet communication system using a multihop transmission technique to accommodate asymmetric traffic efficiently for the FDD based cellular systems. The proposed system 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 uplink band is used for the transmissions from relay stations to destination mobile stations, and this leads more capacity enhancement in the dwonlink communications. The proposed system is evaluated by computer simulation and the results show that the proposed system can achieve better system performance than the convetinal CDMA/FDD system.
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Keyword(in English) asymmetric traffic / multihop transmissions / CDMA / FDD / cellular systems
Paper # SIP2006-133,RCS2006-191
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Committee RCS
Conference Date 2007/1/17(1days)
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Registration To Radio Communication Systems (RCS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Asymmetric Traffic Accommodation Using Dowlink Multihop Transmission in CDMA/FDD Cellular Systems
Sub Title (in English)
Keyword(1) asymmetric traffic
Keyword(2) multihop transmissions
Keyword(3) CDMA
Keyword(4) FDD
Keyword(5) cellular systems
1st Author's Name Kazuo MORI
1st Author's Affiliation Division of Electrical and Electronic Engineering, Graduate School of Engineering, Mie University()
2nd Author's Name Kaztsuhiro NAITO
2nd Author's Affiliation Division of Electrical and Electronic Engineering, Graduate School of Engineering, Mie University
3rd Author's Name Hideo KOBAYASHI
3rd Author's Affiliation Division of Electrical and Electronic Engineering, Graduate School of Engineering, Mie University
Date 2007-01-24
Paper # SIP2006-133,RCS2006-191
Volume (vol) vol.106
Number (no) 478
Page pp.pp.-
#Pages 6
Date of Issue