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公开(公告)号:SE9902984L
公开(公告)日:2001-02-25
申请号:SE9902984
申请日:1999-08-24
Applicant: ERICSSON TELEFON AB L M
Inventor: OESTMAN THOMAS , STOLT TOMAS , UTTERBORN CEYLON
Abstract: The present invention is related to a terrestrial cellular radio communication network comprising at least a first base station (BS1) in which a common set of multi carrier power amplifiers (409-412) are used to amplify radio signals transmitted by the first base station (BS1) in different cells. The invention enables reductions in the total maximum output power the first base station (BS1) needs to support when downlink power control functions, such as power control or discontinuous transmission, and/or Adaptive Channel Allocation are applied in the cells served by the first base station (BS1).
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公开(公告)号:SE0003289D0
公开(公告)日:2000-09-15
申请号:SE0003289
申请日:2000-09-15
Applicant: ERICSSON TELEFON AB L M
Inventor: OESTMAN THOMAS , FARONIUS CAROLA
Abstract: The present invention is related to a Rake receiver (R 1 ) for receiving a radio signal and to a searcher (S 8 a, S 8 b) for estimating the delay profile of one or more radio links. The searcher includes means for estimating delay profiles in separate windows. The searcher is arranged for being switched into a single window mode or alternatively into a multiple window mode. In single window mode the delay profiles of separate radio links are estimated in the windows, while in multiple window mode two or more windows are allocated adjacent in time for estimating the delay profile of the same radio link. Thereby, the use of the resources of the searcher can be adapted to the radio environments in which the searcher will be used. The Rake receiver comprises fingers that are grouped into two sets. Within a set of fingers the propagation paths are time aligned. The output from the two set of fingers are time aligned and then combined.
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公开(公告)号:SE9902984D0
公开(公告)日:1999-08-24
申请号:SE9902984
申请日:1999-08-24
Applicant: ERICSSON TELEFON AB L M
Inventor: OESTMAN THOMAS , STOLT TOMAS , UTTERBORN CEYLON
Abstract: The present invention is related to a terrestrial cellular radio communication network comprising at least a first base station (BS1) in which a common set of multi carrier power amplifiers (409-412) are used to amplify radio signals transmitted by the first base station (BS1) in different cells. The invention enables reductions in the total maximum output power the first base station (BS1) needs to support when downlink power control functions, such as power control or discontinuous transmission, and/or Adaptive Channel Allocation are applied in the cells served by the first base station (BS1).
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