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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.
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