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1. 发明授权

US06577879B1 System and method for simultaneous transmission of signals in multiple beams without feeder cable coherency 有权
标题翻译：用于同时传输多束信号的系统和方法，无馈线电缆一致性
公开(公告)号：US06577879B1
公开(公告)日：2003-06-10
申请号：US09599974
申请日：2000-06-21
申请人： Bo Hagerman , Björn Johannisson , Thomas Östman
发明人： Bo Hagerman , Björn Johannisson , Thomas Östman
IPC分类号： H04B138
CPC分类号： H01Q3/26 , H01Q21/24 , H01Q25/00 , H04B7/10 , H04W84/042 , H04W88/08
摘要： A telecommunications system and method is disclosed for allowing a base station to simultaneously transmit signals in several beams of a multi-beam antenna configuration. Antenna pattern control is maintained by employing orthogonal polarization orientation for every other beam. For example, the two orthogonal polarization directions can be approximately linear polarization slanted ±45°. To be able to transmit simultaneously in an arbitrary combination of more than one beam, the BS antenna array includes a separate feeder cable for each combination of beams corresponding to a particular polarization, from one feeder per beam to one feeder with all beams of that polarization.
摘要翻译：公开了一种电信系统和方法，用于允许基站同时在多波束天线配置的几个波束中传输信号。通过对每个其他光束采用正交偏振方向来维持天线图案控制。例如，两个正交偏振方向可以是近似线偏移±45°。为了能够以多于一个光束的任意组合同时传输，BS天线阵列包括用于每个组合的光束对应于特定偏振的单独馈电电缆，从每个光束的一个馈线到具有该极化的所有光束的一个馈线。

2. 发明授权

US06697643B1 System and method for implementing a multi-beam antenna without duplex filters within a base station 有权
标题翻译：用于在基站内实现无双工滤波器的多波束天线的系统和方法
公开(公告)号：US06697643B1
公开(公告)日：2004-02-24
申请号：US09687913
申请日：2000-10-13
申请人： Bo Hagerman , Björn Johannisson , Thomas Östman
发明人： Bo Hagerman , Björn Johannisson , Thomas Östman
IPC分类号： H04B138
CPC分类号： H04B7/10 , H04B7/0408 , H04B7/0617 , H04B7/086
摘要： The present invention is directed to cellular systems and methods for providing a multi-beam antenna configuration within a base station without utilizing duplex filters. The multi-beam antenna configuration of the present invention produces overlaid beams in both the uplink and downlink to cover the same area. Each beam has orthogonally oriented polarization directions (e.g., linear polarized slanted ±45°) for the uplink and downlink. Adjacent uplink beams shall also have shifted polarization directions in order to attain polarization diversity between different beams. In order to implement this polarization configuration, for each beam, there is a selective filter in front of the low noise amplifier for the uplink, and no duplex filter in front of the amplifier in the downlink direction.
摘要翻译：本发明涉及用于在不使用双工滤波器的情况下在基站内提供多波束天线配置的蜂窝系统和方法。本发明的多波束天线配置在上行链路和下行链路中产生覆盖的波束以覆盖相同的区域。每个光束具有用于上行链路和下行链路的正交取向偏振方向（例如，线性偏斜倾斜±45°）。相邻的上行波束也应该具有偏移方向，以获得不同波束之间的极化分集。为了实现这种偏振配置，对于每个波束，在用于上行链路的低噪声放大器之前存在选择滤波器，并且在下行链路方向上没有放大器前面的双工滤波器。

3. 发明授权

US07940833B2 Transmitter with intelligent preconditioning of amplifier signal 有权
标题翻译：发射机具有放大器信号的智能预处理
公开(公告)号：US07940833B2
公开(公告)日：2011-05-10
申请号：US11425410
申请日：2006-06-21
申请人： M{dot over (a)}rten Norman , Thomas Östman , Bo Hagerman
发明人： M{dot over (a)}rten Norman , Thomas Östman , Bo Hagerman
IPC分类号： H04B1/00
CPC分类号： H03G3/3042 , H03F1/0205 , H03F1/52 , H03F3/189 , H03F3/24 , H03F2200/451 , H03F2200/465
摘要： A transmitter (20) for a code division multiple access radio access network intelligently preconditions a channel-merged signal which is applied to its amplifier (22) so that the amplifier does not experience, e.g., precipitous power changes. The transmitter (20) comprises an amplifier (22) for amplifying the channel-merged signal at a signal output power; a detector (24) for performing detection of when output power of the channel-merged signal is about to change by a specified amount; and, a noise inserter (26) for adding a noise signal to the channel-merged signal in dependence upon the detection. Insertion of the noise smoothes an edge of the power change curve and thereby averts stress for the amplifier.
摘要翻译：用于码分多址无线电接入网络的发射机（20）智能地预处理施加到其放大器（22）的信道合并信号，使得放大器不经历例如陡峭的功率变化。发射机（20）包括放大器（22），用于以信号输出功率放大信道合并信号; 检测器（24），其用于当所述通道合并信号的输出功率即将改变指定量时进行检测; 以及用于根据检测将噪声信号加到信道合并信号的噪声插入器（26）。插入噪声可平滑功率变化曲线的边缘，从而避免放大器的应力。

4. 发明授权

US06301238B1 Directional-beam generative apparatus and associated method 失效
标题翻译：定向光束生成装置及相关方法
公开(公告)号：US06301238B1
公开(公告)日：2001-10-09
申请号：US08787758
申请日：1997-01-28
申请人： Bo Hagerman , Ulf Forssén , Thomas Östman , Hans Mähler
发明人： Bo Hagerman , Ulf Forssén , Thomas Östman , Hans Mähler
IPC分类号： H04J300
CPC分类号： H04W16/28 , H01Q3/26 , H01Q25/00
摘要： Directional beam generative apparatus, and an associated method, for a radio communication station forms directional antenna beam patterns for the communication of communication signals with remote communication stations operable in a TDMA communication system. Channels are allocated for effectuation of communications between the radio communication station and the remote stations responsive to indications of locations at which the remote communication stations are indicated to be positioned. Remote communication stations indicated to be positioned within a selected area are allocated to channels formed upon a single carrier.
摘要翻译：用于无线电通信站的定向波束生成装置和相关联的方法形成用于与TDMA通信系统中可操作的远程通信站通信通信信号的定向天线波束模式。分配通道以响应于指示远程通信站被定位的位置的指示来实现无线电通信站和远程站之间的通信。指示定位在所选区域内的远程通信站被分配给形成在单个载波上的信道。

5. 发明授权

US06728228B1 Method and system for measuring and reporting received signal strength 失效
标题翻译：测量和报告接收信号强度的方法和系统
公开(公告)号：US06728228B1
公开(公告)日：2004-04-27
申请号：US09475640
申请日：1999-12-30
申请人： Thomas Östman , Bo Hagerman , Andrew Forde
发明人： Thomas Östman , Bo Hagerman , Andrew Forde
IPC分类号： H04Q700
CPC分类号： H04W52/32 , H04B17/24 , H04B17/318 , H04W52/54
摘要： In a Time Division Multiple Access based radio telecommunications system that employs downlink power control, received signal strength information is measured and reported. A downlink data signal is transmitted from a base station to a mobile station during a first timeslot. A control channel signal or a dedicated traffic channel signal having equivalent output power behavior as the control channel, is transmitted from the base station throughout a cell in which the mobile station is operating. At the mobile station, a received signal strength of the control channel signal or the dedicated traffic channel signal is measured. The received signal strength may be measured in period between when the mobile station transmits and receives or in a period between when the mobile station received and transmits. The received signal strength may be measured during the first timeslot or during a timeslot other than said first timeslot. The received signal strength may also be measured during a time period associated with Mobile Assisted Handover (MAHO) measurements, the MAHO list including the control channel and/or the dedicated traffic channel. The received signal strength as measured by the mobile station is reported to the base station. The measured received signal strength is compensated for to obtain signal strength information associated with the downlink data signal received by the mobile station during the first timeslot.
摘要翻译：在采用下行链路功率控制的基于时分多址的无线电信系统中，测量和报告接收信号强度信息。下行链路数据信号在第一时隙期间从基站发送到移动台。具有作为控制信道的等效输出功率特性的控制信道信号或专用业务信道信号在移动台正在操作的小区中从基站发送。在移动站，测量控制信道信号或专用业务信道信号的接收信号强度。所接收的信号强度可以在移动台发送和接收时间之间或在移动台接收和发送之间的时段内测量。可以在第一时隙期间或在除了所述第一时隙之外的时隙期间测量所接收的信号强度。接收信号强度也可以在与移动辅助切换（MAHO）测量相关联的时间段内测量，MAHO列表包括控制信道和/或专用业务信道。由移动台测量的接收信号强度被报告给基站。所测量的接收信号强度被补偿以获得与第一时隙期间由移动台接收的下行链路数据信号相关联的信号强度信息。

6. 发明授权

US06539010B1 Downlink power control and adaptive beamforming for half-rate radiocommunication systems 有权
标题翻译：用于半速率无线电通信系统的下行链路功率控制和自适应波束成形
公开(公告)号：US06539010B1
公开(公告)日：2003-03-25
申请号：US09429166
申请日：1999-10-28
申请人： Bo Hagerman , Fredrik Jansson , Thomas Östman
发明人： Bo Hagerman , Fredrik Jansson , Thomas Östman
IPC分类号： H04B7212
CPC分类号： H04W52/265 , H04B7/0408
摘要： A radiocommunication method and system which facilitates half-rate communications as well as downlink power control and selective beam transmission is described. Data associated with two terminals is multiplexed into a single timeslot. A first terminal's data occupies a first portion of the timeslot, while the second terminal's data occupies a second portion of the timeslot. A synchronization/training field may separate the first and second portions of the timeslot. In this way, a base station can change the power level and/or direction of transmission of the different terminal's data even though that data is multiplexed together on the same timeslot.
摘要翻译：描述了有助于半速率通信以及下行链路功率控制和选择性波束传输的无线电通信方法和系统。与两个终端相关联的数据被复用到单个时隙中。第一终端的数据占据时隙的第一部分，而第二终端的数据占据时隙的第二部分。同步/训练场可以分离时隙的第一和第二部分。以这种方式，即使该数据在同一时隙上被多路复用在一起，基站也可以改变不同终端数据的功率电平和/或发送方向。

7. 发明授权

US09161388B2 Radio base station and methods thereof 有权
标题翻译：无线基站及其方法
公开(公告)号：US09161388B2
公开(公告)日：2015-10-13
申请号：US13382484
申请日：2011-12-07
申请人： Babak Alamshahi , Thomas Östman , Ulf Skärby
发明人： Babak Alamshahi , Thomas Östman , Ulf Skärby
IPC分类号： H04W52/40 , H04W52/14 , H04W52/38 , H04W88/08
CPC分类号： H04W88/085 , H04W52/143 , H04W52/386 , H04W52/40
摘要： The present invention relates to a radio base station (RBS) (1). The RBS comprises a first radio unit (RU) (2) and a second RU (3). The RBS is configured such that said first and second RUs will use the same scrambling or cell identity code for communication with a wireless communication terminal (9) such that the wireless communication terminal will regard the first and second RUs as relating to the same cell of the RBS. The invention also relates to a communication system (13) comprising the RBS, as well as to a use of the RBS for performing an internal handover, after UL measurements, of the communication terminal from the first RU to the second RU, and a method of arranging the RBS.
摘要翻译：本发明涉及一种无线基站（RBS）（1）。 RBS包括第一无线电单元（RU）（2）和第二RU（3）。 RBS被配置为使得所述第一和第二RU将使用相同的加扰或小区身份码来与无线通信终端（9）进行通信，使得无线通信终端将第一和第二RU视为与 RBS。本发明还涉及包括RBS的通信系统（13）以及RBS用于在UL测量之后执行通信终端从第一RU到第二RU的内部切换的使用，以及一种方法安排RBS。

8. 发明授权

US07054353B2 Radio receiver and channel estimator 有权
标题翻译：无线电接收机和信道估计器
公开(公告)号：US07054353B2
公开(公告)日：2006-05-30
申请号：US09858633
申请日：2001-05-17
申请人： Thomas Östman , Carola Faronius
发明人： Thomas Östman , Carola Faronius
IPC分类号： H04B1/69 , H04B7/216 , H04L7/00 , G01R31/08
CPC分类号： H04B1/70754 , H04B1/7113 , H04B1/7117 , H04B2201/7071
摘要： The present invention is related to a Rake receiver (R1) for receiving a radio signal and to a searcher (S8a, S8b) 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.
摘要翻译：本发明涉及用于接收无线电信号的Rake接收机（R 1）和用于估计一个或多个无线电链路的延迟分布的搜索器（S8a，S8b）。搜索器包括用于在单独的窗口中估计延迟分布的装置。搜索器被布置为被切换成单窗口模式或者可选地转换成多窗口模式。在单窗口模式下，在窗口中估计分离的无线电链路的延迟分布，而在多窗口模式中，两个或更多个窗口被分时相邻地分配用于估计相同无线电链路的延迟分布。因此，搜索者的资源的使用可以适应于将使用搜索者的无线电环境。耙式接收机包括分为两组的手指。在一组手指之内，传播路径是时间对齐的。两组手指的输出是时间对齐的，然后组合。

9. 发明授权

US06885694B1 Correction of received signal and interference estimates 有权
标题翻译：接收信号和干扰估计的校正
公开(公告)号：US06885694B1
公开(公告)日：2005-04-26
申请号：US09516158
申请日：2000-02-29
申请人： Ning He , Thomas Östman
发明人： Ning He , Thomas Östman
IPC分类号： H04B1/7097 , H04B7/005 , H04B17/00 , H04L27/30
CPC分类号： H04W52/248 , H04B1/7097 , H04B17/21 , H04B17/336
摘要： An apparatus and method are described in which a corrected signal-to-interference ratio (SIR) is determined in a cellular telephone receiver. First the estimated signal strength at the receiver is measured, then the estimated interference level is measured. The signal strength and the interference values are separately corrected in accordance with an algorithm. Thereafter, a corrected SIR value is obtained by dividing the corrected signal strength and the corrected interference values.
摘要翻译：描述了一种装置和方法，其中在蜂窝电话接收机中确定校正的信号干扰比（SIR）。首先测量接收机的估计信号强度，然后测量估计的干扰电平。信号强度和干扰值根据算法单独校正。此后，通过对校正的信号强度和校正的干扰值进行除法来获得校正的SIR值。

10. 发明申请

US20130150113A1 Radio Base Station and Methods Thereof 有权
标题翻译：无线电基站及其方法
公开(公告)号：US20130150113A1
公开(公告)日：2013-06-13
申请号：US13382484
申请日：2011-12-07
申请人： Babak Alamshahi , Thomas Östman , Ulf Skärby
发明人： Babak Alamshahi , Thomas Östman , Ulf Skärby
IPC分类号： H04W88/08 , H04W36/00
CPC分类号： H04W88/085 , H04W52/143 , H04W52/386 , H04W52/40
摘要： The present invention relates to a radio base station (RBS) (1). The RBS comprises a first radio unit (RU) (2) and a second RU (3). The RBS is configured such that said first and second RUs will use the same scrambling or cell identity code for communication with a wireless communication terminal (9) such that the wireless communication terminal will regard the first and second RUs as relating to the same cell of the RBS. The invention also relates to a communication system (13) comprising the RBS, as well as to a use of the RBS for performing an internal handover, after UL measurements, of the communication terminal from the first RU to the second RU, and a method of arranging the RBS.
摘要翻译：本发明涉及一种无线基站（RBS）（1）。 RBS包括第一无线电单元（RU）（2）和第二RU（3）。 RBS被配置为使得所述第一和第二RU将使用相同的加扰或小区身份码来与无线通信终端（9）进行通信，使得无线通信终端将第一和第二RU视为与 RBS。本发明还涉及包括RBS的通信系统（13）以及RBS用于在UL测量之后执行通信终端从第一RU到第二RU的内部切换的使用，以及一种方法安排RBS。

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