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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
Publication
IEICE TRANSACTIONS on Communications
Vol.E90-B
No.5
pp.1252-1256 Publication Date: 2007/05/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e90-b.5.1252 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: mobile communications, CDMA, downlink, transmit power control, soft handoff, transmission control,
Full Text: PDF(207.4KB)>>
Summary:
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.
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