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    • 11. 发明申请
    • Systems and Methods for SIR Estimation for Power Control
    • 用于功率控制的SIR估计的系统和方法
    • US20090291642A1
    • 2009-11-26
    • US12126240
    • 2008-05-23
    • Carmela CozzoChrister EdholmNing He
    • Carmela CozzoChrister EdholmNing He
    • H04B17/00
    • H04W52/16H04W52/146H04W52/241
    • Systems and methods according to these exemplary embodiments provide for methods and systems for improving the signal-to-interference-plus-noise ratio (SIR) estimation between a mobile communications device and a base station (BS) for improving power control. A first SIR estimate is generated based on signals received on at least a first channel and a second SIR estimate is generated based on signals received on a second channel. A correction factor for the second SIR estimate is generated based on at least the first SIR estimate, and the second SIR estimate is adjusted with the correction factor. The first SIR estimate can, optionally, be generated using channel coefficients generated from signals received on both the first channel and the second channel.
    • 根据这些示例性实施例的系统和方法提供了用于改善移动通信设备和基站(BS)之间的信号与干扰加噪声比(SIR)估计以改善功率控制的方法和系统。 基于在至少第一信道上接收的信号产生第一SIR估计,并且基于在第二信道上接收的信号来生成第二SIR估计。 基于至少第一SIR估计来生成第二SIR估计的校正因子,并且利用校正因子来调整第二SIR估计。 可以可选地使用从在第一信道和第二信道上接收的信号产生的信道系数来生成第一SIR估计。
    • 17. 发明申请
    • Method and Arrangement in a Telecommunication System
    • 电信系统中的方法和布置
    • US20110105166A1
    • 2011-05-05
    • US12997059
    • 2008-06-12
    • Ning HeBo Hagerman
    • Ning HeBo Hagerman
    • H04B7/00
    • H04B7/022H04W52/12H04W72/085
    • In a method of radio link handling in a radio base station (RBS) in a telecommunication system, said radio base station (RBS) supporting a plurality of mobile user equipment (UE) and comprising a plurality of antenna arrangements each associated with a respective determined cell coverage area. Performing the steps of actively determining (20) a respective local receive active set of cells or antennas for each of at least a subset of said plurality of mobile user equipment (UE). Finally, receiving and detecting (30) signals from each mobile user equipment (UE) jointly utilizing each said determined local receive active set.
    • 在电信系统中的无线电基站(RBS)中的无线电链路处理的方法中,所述无线基站(RBS)支持多个移动用户设备(UE),并且包括多个天线布置,每个天线布置与各自确定的 小区覆盖区域。 执行为所述多个移动用户设备(UE)的至少一个子集中的每一个主动地确定(20)相应的本地接收有效的小区或天线集合的步骤。 最后,从每个移动用户设备(UE)接收和检测(30)信号,联合利用每个所确定的本地接收活动集。
    • 19. 发明授权
    • Diversity branch delay alignment in radio base station
    • 无线电基站中的分集支路延迟对准
    • US07043273B2
    • 2006-05-09
    • US10045024
    • 2002-01-15
    • Lawrence SarreshNing HeThomas Leif Östman
    • Lawrence SarreshNing HeThomas Leif Östman
    • H04Q7/20
    • H04B7/084H04B7/0626H04B7/0667H04B7/0678H04B17/10H04B17/20H04B17/21
    • A base station (28) included in a radio access network of a telecommunications system has two diversity antennas (44A, 44B) for a cell/carrier utilized in a sector served by the base station which are respectively involved in transmission of two branches of a radio link signal of the cell/carrier between the base station and a user equipment unit (30). Two branches of signal processing hardware respectively process the two branches of the radio link signal to yield two respective processed branches of the radio link signal. A rake receiver (62, 262) measures the delay difference between the two processed branches of the radio link signal, and uses the measured delay difference for various purposes. For example, some embodiments of the invention use the delay difference between the two branches as measured by the rake receiver to compensate for a delay difference which exists between the two processed branches of the radio link signal. When measuring the delay difference between the two branches of an uplink radio signal, a rake receiver (62) at the radio base station is employed. On the other hand, when measuring the delay difference between the two branches of a downlink radio signal, a rake receiver (262) at test user equipment unit (30T) is employed.
    • 包括在电信系统的无线电接入网络中的基站(28)具有用于由基站服务的扇区中使用的小区/载波的两个分集天线(44A,44B),其分别涉及两个分支的传输 在基站和用户设备单元(30)之间的小区/载波的无线电链路信号。 信号处理硬件的两个分支分别处理无线电链路信号的两个分支,以产生无线电链路信号的两个相应的处理分支。 耙式接收器(62,262)测量无线电链路信号的两个处理分支之间的延迟差,并且为了各种目的使用所测量的延迟差。 例如,本发明的一些实施例使用由耙式接收机测量的两个分支之间的延迟差来补偿存在于无线电链路信号的两个经处理的分支之间的延迟差异。 当测量上行链路无线电信号的两个分支之间的延迟差时,采用无线电基站处的瑞克接收机(62)。 另一方面,当测量下行链路无线电信号的两个分支之间的延迟差时,采用在测试用户设备单元(30T)处的瑞克接收机(262)。