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Downlink Packet Transmission Control Based on Soft Handoff Status in CDMA Cellular Packet Networks
Abubaker KHUMSI Kazuo MORI Katsuhiro NAITO Hideo KOBAYASHI Hamid AGHVAMI
IEICE TRANSACTIONS on Communications
Publication Date: 2007/05/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technologies
mobile communications, CDMA, downlink, transmit power control, soft handoff, transmission control,
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In this letter we investigated the packet transmission control in downlink CDMA cellular systems. The downlink packet transmission control scheme based on the soft handoff status was proposed to enhance the system performance. The proposed scheme controls the downlink packet transmissions by employing a transmission window which is individually resolved to each mobile station according to its propagation condition and soft handoff status. Computer simulation shows that compared with the conventional scheme the proposed scheme improved the delay performance and fairness of service in packet reception.