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This paper proposes an adaptive transmit power window control scheme based on location of mobile stations and traffic load for channel state based transmissions to enhance the system performance in CDMA cellular downlink packet communications. The proposed scheme constrains the downlink packet transmissions by employing a transmit power window individually given to each mobile station. The size of...
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...
This paper proposes the reliable multicast delivery system with a base station diversity technique for the cellular system. Previous studies of reliable multicast methods considered a single wireless link communication. Moreover a received signal intensity declines as the distance from a base station becomes long in the cellular network. Therefore the low received signal intensity causes many transmission...
This paper discusses packet transmission control in downlink of CDMA cellular communication systems and proposes a downlink packet transmission control scheme based on the soft handoff status to enhance the system performance. The proposed scheme controls the downlink packet transmissions by using a transmission window which is individually determined for each mobile station based on both its propagation...
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