Invention Grant
- Patent Title: Method and apparatus to improve CDMA reverse link performance
- Patent Title (中): 改善CDMA反向链路性能的方法和装置
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Application No.: US10676965Application Date: 2003-10-01
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Publication No.: US08532664B2Publication Date: 2013-09-10
- Inventor: Wanshi Chen , Reza Shahidi
- Applicant: Wanshi Chen , Reza Shahidi
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee: Telefonaktiebolaget LM Ericsson (publ)
- Current Assignee Address: SE Stockholm
- Agency: Coats & Bennett, P.L.L.C.
- Main IPC: H04W36/00
- IPC: H04W36/00

Abstract:
Reverse link reception and reverse link capacity are improved at a multi-sector radio base station (RBS) by forcing always-softer reverse link handoff conditions for mobile stations served by the RBS. Whenever a serving sector reverse link is assigned to a mobile station at the RBS, one or more additional reverse links are assigned to it from remaining sectors of the RBS. Such assignments are made irrespective of whether those sectors are, or could be, used to serve the mobile station on the forward link. The RBS improves its reception of the mobile station's reverse link transmissions by combining signals from all of the assigned reverse links. With improved reception, mobile stations can be commanded or configured to reduce their reverse link transmit power, thereby reducing reverse link interference and increasing reverse link capacity. Always-softer handoff may not be forced unless the mobile station has a reverse supplemental channel, since the use of such channels makes interference reduction particularly beneficial.
Public/Granted literature
- US20050073975A1 Method and apparatus to improve CDMA reverse link performance Public/Granted day:2005-04-07
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