公开(公告)号：US20120201319A1

公开(公告)日：2012-08-09

申请号：US13020205

申请日：2011-02-03

申请人： Henrik Asplund ,  Andres Reial ,  Bo Hagerman ,  Fredrik Ovesjö

发明人： Henrik Asplund ,  Andres Reial ,  Bo Hagerman ,  Fredrik Ovesjö

IPC分类号： H04L1/02

CPC分类号： H04B7/0469 ,  H04B7/0413 ,  H04B7/0473 ,  H04B7/10 ,  H04L1/009 ,  H04L1/0668

摘要： Controlling the polarization state of signals to be transmitted from a MIMO capable radio base station node to a plurality of user equipment, which radio base station node comprises a precoder unit connecting a first and a second virtual antenna port to a respective first and second transmit antenna port, by the steps of controlling (S10) a relative phase between transmitted signals from the first and second transmit antenna port to provide a predetermined pair of orthogonal polarization states for signals transmitted on the first and second virtual antenna ports, and interchanging (S20) the polarization states of the first and second virtual antenna ports, to provide transmitted polarized signals with alternating polarization states.

摘要翻译： 控制从MIMO能力的无线基站节点发送到多个用户设备的信号的偏振状态，该无线电基站节点包括将第一和第二虚拟天线端口连接到相应的第一和第二发射天线的预编码器单元 端口，通过控制（S10）来自第一和第二发送天线端口的发送信号之间的相对相位的步骤，为在第一和第二虚拟天线端口上发送的信号提供预定的正交极化状态对，并进行交换（S20） 第一和第二虚拟天线端口的极化状态，以提供具有交替偏振态的透射偏振信号。

公开(公告)号：US20110105166A1

公开(公告)日：2011-05-05

申请号：US12997059

申请日：2008-06-12

申请人： Ning He ,  Bo Hagerman

发明人： Ning He ,  Bo Hagerman

IPC分类号： H04B7/00

CPC分类号： H04B7/022 ,  H04W52/12 ,  H04W72/085

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20110090981A1

公开(公告)日：2011-04-21

申请号：US12996659

申请日：2008-06-12

申请人： Ulf Lindgren ,  Bo Hagerman

发明人： Ulf Lindgren ,  Bo Hagerman

IPC分类号： H04B7/00 ,  H04B17/00

CPC分类号： H04B7/0689 ,  H04B7/0617 ,  H04B7/0697 ,  H04B17/336 ,  H04W16/18

摘要： The present invention relates to a solution for determining wireless communication cell characteristics related to wireless MIMO transmission mode and dynamically selecting suitable communication transmission mode for certain parts of the wireless communication cell. The solution uses a flatness spectrum analysis of received impulse response from a plurality of measurement points in the cell using a plurality of antennas in a wireless network access gateway, e.g. a base station.

摘要翻译： 本发明涉及一种用于确定与无线MIMO传输模式相关的无线通信小区特性的方案，并且为该无线通信小区的某些部分动态选择合适的通信传输模式。 该解决方案使用无线网络接入网关中的多个天线（例如，无线网络接入网关）对来自小区中的多个测量点的接收脉冲响应的平坦度频谱分析。 一个基站。

公开(公告)号：US20100222066A1

公开(公告)日：2010-09-02

申请号：US12679343

申请日：2007-10-09

申请人： Jiuhui Du ,  Bo Hagerman

发明人： Jiuhui Du ,  Bo Hagerman

IPC分类号： H04W72/04

CPC分类号： H04W28/18 ,  H04W48/20 ,  H04W74/08

摘要： In a method and a system for managing resources within a cellular radio system servicing a geographical area, the serviced area is divided into at least two types and additional radio resources is provided to mobile stations located within one of the areas being deemed to be more sensitive for interference compared to mobile stations located within the other area.

摘要翻译： 在用于管理服务于地理区域的蜂窝无线电系统内的资源的方法和系统中，服务区域被划分为至少两种类型，并且向被认为更敏感的区域之一内的移动站提供附加无线电资源 与其他地区内的移动台相比有干扰。

公开(公告)号：US20100159970A1

公开(公告)日：2010-06-24

申请号：US12600952

申请日：2007-10-26

申请人： Bo Hagerman ,  Fredrik Gunnarsson ,  Thomas Ostman

发明人： Bo Hagerman ,  Fredrik Gunnarsson ,  Thomas Ostman

IPC分类号： H04B7/00

CPC分类号： H04W74/008 ,  H04L1/1607 ,  H04W74/0833 ,  H04W74/0866

摘要： A method is provided in a base station for handling a request from a first user equipment for accessing a service in a radio communications network. The method comprises the steps of receiving a first time interval of an incoming signal comprises a first signal sent from the first user equipment and a second signal sent from the second user equipment, interpreting the first signal as being a possible service access request message preamble, and sending an acknowledgement, that the preamble is detected, to the first user equipment. The method comprises the further steps of delaying the first time interval of the incoming signal, identifying the second signal in the first time interval of the incoming signal during the delay, washing the identified second signal away from the first time interval of the incoming signal during the delay, and deciding whether the possible preamble is a real preamble or not, by analyzing the washed incoming signal.

摘要翻译： 在基站中提供一种方法，用于处理来自第一用户设备的用于访问无线电通信网络中的服务的请求。 该方法包括以下步骤：接收输入信号的第一时间间隔包括从第一用户设备发送的第一信号和从第二用户设备发送的第二信号，将第一信号解释为可能的服务接入请求消息前同步码， 以及向所述第一用户设备发送确认所述前同步码。 该方法还包括以下步骤：延迟输入信号的第一时间间隔，在延迟期间识别输入信号的第一时间间隔中的第二信号，从而识别的第二信号远离输入信号的第一时间间隔 通过分析所洗涤的进入信号，确定可能的前同步码是否是真实的前同步码。

公开(公告)号：US20100112952A1

公开(公告)日：2010-05-06

申请号：US12262724

申请日：2008-10-31

申请人： Karl Molnar ,  Bo Hagerman

发明人： Karl Molnar ,  Bo Hagerman

IPC分类号： H04B15/00

CPC分类号： H04B7/0408 ,  H01Q1/246 ,  H01Q3/26 ,  H04B7/0632 ,  H04W16/28 ,  H04W72/046

摘要： A base station and method are described herein that improves the coverage in a fixed-beam wireless communication system by using antenna beam-jitter and Channel Quality Information (CQI) correction. In one embodiment, the method includes the steps of: (a) modifying a beam by introducing a beam-jitter in a beam-forming pattern; (b) receiving an estimated channel quality information, CQI, from a user terminal; (c) accounting for effects of the beam-jitter on the estimated CQI to obtain a jitter-adjusted CQI estimate; (d) and using the jitter-adjusted CQI estimate during user scheduling for a future transmission to the user terminal.

摘要翻译： 本文描述了通过使用天线波束抖动和信道质量信息（CQI）校正来改进固定波束无线通信系统中的覆盖范围的基站和方法。 在一个实施例中，该方法包括以下步骤：（a）通过在波束形成模式中引入波束抖动来修改波束; （b）从用户终端接收估计的信道质量信息CQI; （c）考虑波束抖动对估计的CQI的影响以获得抖动调整的CQI估计; （d），并且在用户调度期间使用抖动调整后的CQI估计，以便将来传输到用户终端。

公开(公告)号：US20090305636A1

公开(公告)日：2009-12-10

申请号：US12090134

申请日：2006-10-11

申请人： Bo Hagerman ,  Fredrik Gunnarsson

发明人： Bo Hagerman ,  Fredrik Gunnarsson

IPC分类号： H04B15/00

CPC分类号： H04W72/082 ,  H04B1/7103 ,  H04B1/7105 ,  H04B2201/70711 ,  H04Q2213/13098

摘要： In a method of interference mitigation in a multi user detection capable radio base station in a communication system, which radio base station comprises a set confined detection modules, at least one of which is capable of handling multiple user connections, first and at least a second subset of detection modules are formed from said set, wherein the second set comprises at least one interference mitigation capable detection module. Interference information from the first subset is communicated to the second subset, interference originating in user connections of the first subset are then mitigated from the user connections of the second subset. Subsequently, interference is mutually mitigated between the connections within the interference mitigation capable detection module.

摘要翻译： 在通信系统中的具有多用户检测能力的无线电基站中的干扰减轻的方法中，所述无线电基站包括集合的限制检测模块，其中至少一个能够处理多个用户连接，首先和至少第二个 检测模块的子集由所述集合形成，其中第二集合包括至少一个具有干扰抑制能力的检测模块。 来自第一子集的干扰信息被传送到第二子集，然后从第二子集的用户连接中减轻源自第一子集的用户连接的干扰。 随后，干扰减轻能力检测模块之间的连接之间相互减轻干扰。

公开(公告)号：US20090023447A1

公开(公告)日：2009-01-22

申请号：US11628939

申请日：2004-06-30

申请人： Bo Hagerman ,  Fredrik Ovesjo ,  Bjorn Gunnar Johannisson ,  Kimmo Hittunen

发明人： Bo Hagerman ,  Fredrik Ovesjo ,  Bjorn Gunnar Johannisson ,  Kimmo Hittunen

IPC分类号： H04W4/00

CPC分类号： H04W36/18 ,  H04W16/28 ,  H04W36/0083 ,  H04W36/0094 ,  H04W36/165 ,  H04W52/40 ,  H04W72/046

摘要： The invention involves data processing during intra-site handover procedures. At least two directional antennas of a base station receive user data carrying signals originating from a mobile units positioned in an intra-site handover area defined by the overlapping radio coverage of the antennas. The directional antennas performs an initial data signal detection of the received data signals resulting in detected user data, which typically results in a loss of radio performance of the antenna. The detected user data from the directional antennas is then jointly processed to generate processed user data. The performance loss is compensated by providing differential antenna gain of the directional antennas within the handover area. As a result, a similar radio coverage in this area as prior art solutions is obtained but with a less complex antenna-related design.

摘要翻译： 本发明涉及在站内切换过程中的数据处理。 基站的至少两个定向天线接收承载来自位于由天线的重叠无线覆盖限定的站内切换区域内的移动单元的信号的用户数据。 定向天线对所接收的数据信号执行初始数据信号检测，从而产生检测到的用户数据，这通常导致天线的无线电性能的损失。 来自定向天线的检测到的用户数据然后被联合处理以产生经处理的用户数据。 通过在切换区域内提供定向天线的差分天线增益来补偿性能损失。 结果，在现有技术解决方案中获得了与该领域相似的无线电覆盖，但是与天线相关的设计不太复杂。

公开(公告)号：US20080218414A1

公开(公告)日：2008-09-11

申请号：US11629205

申请日：2004-06-30

申请人： Bo Hagerman ,  Fredrik Ovesjo ,  Bjorn Gunnar Johannisson ,  Kimmo Hiltunen

发明人： Bo Hagerman ,  Fredrik Ovesjo ,  Bjorn Gunnar Johannisson ,  Kimmo Hiltunen

IPC分类号： H01Q3/00

CPC分类号： H04W16/28 ,  H01Q1/246 ,  H01Q25/002 ,  H04W16/30

摘要： The invention relates to adjusting the shape of the antenna beam (20) of a directional antenna (120) in a communications system (1). According to the invention, the antenna beam (20) is divided into at least a handover beam sector (24) and a main beam sector (22). The shape of the at least two beam sectors (22; 24) are then adjusted based on different requirements and objectives. The shape of handover beam sector (24) is adjusted based on the handover parameter settings of the communications system (1), e.g. by adjusting the angular interval of this handover beam sector (24) based on the parameter settings. Optionally, the shape of the main beam sector (22) is adjusted by maximizing the antenna gain of the directional antenna (120) within this beam sector (22).

摘要翻译： 本发明涉及在通信系统（1）中调整定向天线（120）的天线波束（20）的形状。 根据本发明，天线波束（20）被划分为至少切换波束扇区（24）和主波束扇区（22）。 然后基于不同的要求和目标来调整至少两个光束扇区（22; 24）的形状。 基于通信系统（1）的切换参数设置，例如，切换波束扇区（24）的形状被调整。 通过基于参数设置调整该切换波束扇区（24）的角度间隔。 可选地，通过使该光束扇区（22）内的定向天线（120）的天线增益最大化来调节主光束扇区（22）的形状。

公开(公告)号：US20050063342A1

公开(公告)日：2005-03-24

申请号：US10496644

申请日：2002-11-01

申请人： Bo Hagerman ,  Bjorn Johannisson

发明人： Bo Hagerman ,  Bjorn Johannisson

IPC分类号： H04B7/06 ,  H04B7/10 ,  H04W16/28 ,  H04Q7/00

CPC分类号： H04B7/0691 ,  H04B7/0617 ,  H04B7/10 ,  H04W16/28

摘要： A solution is disclosed for minimizing the amount of hardware and hardware accuracy requirements to simultaneously give the feature of both cell and narrow beams transmission, while enabling methods for capacity/coverage increase. The main property utilized by the present invention for maintaining cell-coverage pattern control, when radiating information in two simultaneous beams, is to use orthogonal polarization states for the two beams. The two orthogonal polarization states may for instance constitute linear polarization slanted at +45° and −45°, respectively. The dedicated broadcast transmission needs to be conveyed defining the total cell coverage area. The total cell coverage area is matched by the coverage of the two fixed narrow-beams. The broadcast signal transmission is divided into two signal streams/paths, one for each of the two fixed narrow-beams (no coherency requirements existing between the two parallel signal streams/paths). The two broadcast signal streams/paths are combined by means of combiner units with the dedicated combined signals from all fixed narrow-beam selected users in each of the two branches. The signals to the two antennas are then transmitted having an orthogonal polarization.

摘要翻译： 公开了一种解决方案，用于最小化硬件和硬件精度要求的量，以同时提供小区和窄波束传输的特征，同时实现容量/覆盖范围的增加。 本发明用于维持小区覆盖模式控制的主要特征是在两个同时波束中发射信息时，是为两个波束使用正交偏振态。 两个正交偏振态可以例如分别构成在+ 45°和-45°处倾斜的线偏振。 需要传达专门的广播传输来定义总的小区覆盖区域。 整个小区覆盖区域与两个固定窄波束的覆盖范围相匹配。 广播信号传输被分成两个信号流/路径，一个用于两个固定窄波束中的每一个（不存在于两个并行信号流/路径之间的一致性要求）。 两个广播信号流/路径通过组合器单元与来自两个分支中的每一个中的所有固定窄波束选择用户的专用组合信号组合。 然后发射具有正交极化的对两个天线的信号。