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    • 32. 发明申请
    • WIRELESS COMMUNICATION DEVICE, TRANSMITTER AND METHODS THEREIN
    • 无线通信设备,发射机及其方法
    • WO2017196220A1
    • 2017-11-16
    • PCT/SE2016/050714
    • 2016-07-14
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    • LOPEZ, MiguelSUNDMAN, DennisHAGERMAN, Bo
    • H04L27/00H04B1/403H04B1/00
    • A transmitter in a first wireless communication device and method therein are disclosed. The transmitter comprises a modulator and a rate selector configured to select a data rate. The rate selector comprises an input configured to receive input bits and an output to provide the bits with the selected data rate. The transmitter further comprises a bit to symbol mapper configured to receive the bits from the rate selector and map the bits to symbols of an arbitrary alphabet. The transmitter further comprises a spreading unit configured to spread the symbols received from the bit to symbol mapper to a chip sequence by means of a spreading code. The transmitter further comprises a re-mapping unit configured to map the chip sequence received from the spreading unit to produce signals for providing to the modulator.
    • 公开了第一无线通信设备中的发射机及其方法。 发射机包括调制器和被配置为选择数据速率的速率选择器。 速率选择器包括被配置为接收输入比特的输入和用于向比特提供选择的数据速率的输出。 发射机还包括比特到符号映射器,其被配置为从速率选择器接收比特并将比特映射到任意字母表的符号。 发射机还包括扩展单元,其被配置为通过扩展码将从比特接收的符号扩展到码元映射器到码片序列。 发射机还包括重映射单元,其被配置为映射从扩展单元接收的码片序列以产生用于提供给调制器的信号。
    • 34. 发明申请
    • TRANSMIT POWER BALANCING OF ANTENNA BRANCHES IN A MULTI-ANTENNA SYSTEM OF A RADIO NETWORK NODE
    • 无线电网络节点多天线系统中天线分支的发射功率平衡
    • WO2016195548A1
    • 2016-12-08
    • PCT/SE2015/050630
    • 2015-06-01
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    • SIMONSSON, ArneHAGERMAN, BoASPLUND, Henrik
    • H04B7/04H04B17/12H04W52/24
    • H04W52/42H04W52/245H04W52/367
    • There is provided a method and a corresponding arrangement, apparatus and computer program for transmit power balancing of antenna branches in a multi- antenna system of a radio network node, the multi-antenna system having at least two antenna branches. The method comprises the steps of detecting a transmit power difference between at least two of the antenna branches based on measurements of uplink received signal strength per antenna branch. The method further comprises the step of reallocating transmit power between the antenna branches based on the detected transmit power difference by performing a transmit power adjustment of a selected antenna branch corresponding to a difference in uplink received signal strength. The arrangement and the computer program are configured to perform the method.
    • 提供了一种用于在无线电网络节点的多天线系统中的天线分支的发射功率平衡的方法和相应的布置,装置和计算机程序,所述多天线系统具有至少两个天线分支。 该方法包括以下步骤:基于每个天线分支的上行链路接收信号强度的测量来检测至少两个天线分支之间的发射功率差。 该方法还包括通过执行与上行链路接收信号强度的差异对应的所选择的天线支路的发射功率调整,基于检测到的发射功率差,在天线分支之间重新分配发射功率的步骤。 配置和计算机程序被配置为执行该方法。
    • 36. 发明申请
    • METHOD, COMPUTER PROGRAM AND CONTROLLER FOR DETECTING INTERFERENCE CAUSED BY INTER-MODULATION
    • 方法,计算机程序和控制器,用于检测由互调调制引起的干扰
    • WO2016124247A1
    • 2016-08-11
    • PCT/EP2015/052515
    • 2015-02-06
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    • TIDESTAV, ClaesHAGERMAN, BoLINDOFF, Bengt
    • H04B1/525H04W72/08H04B1/10H04W72/04H04L5/00
    • H04W72/082H04B1/1027H04B1/109H04B1/525H04B17/318H04B17/345H04L5/0073H04L5/143H04W24/08H04W52/367H04W72/0453
    • A method of detecting interference caused by inter-modulation in a network node site comprising a set of network nodes for wireless communication capable of communication with a set of stations for wireless communication. The stations are wireless transceiver devices and communication from the network node to any of the stations is considered to be downlink communication and communication from any of the stations is considered to be uplink communication. The method comprises determining a received input signal interference level on at least a part of communication resources for uplink communication, determining a transmitted signal level on at least a part of communication resources for downlink communication, wherein the at least part of communication resources for downlink communication corresponds in time with the at least part of communication for uplink communication, correlating statistics from the determined received input signal interference level and the determined transmitted signal level, and determining whether significant interference caused by inter-modulation is present based on the correlation. A computer program, a controller and a network node are also disclosed.
    • 一种检测由网络节点位置中的相互调制引起的干扰的方法,包括用于无线通信的一组网络节点,能够与一组用于无线通信的站通信。 这些站是无线收发器设备,并且从网络节点到任何站的通信被认为是下行链路通信,并且来自任何站的通信被认为是上行链路通信。 该方法包括确定用于上行链路通信的通信资源的至少一部分上的接收输入信号干扰电平,确定用于下行链路通信的通信资源的至少一部分上的发射信号电平,其中用于下行链路通信的至少一部分通信资源 对应于用于上行链路通信的通信的至少一部分,将来自确定的接收输入信号干扰电平的统计与所确定的发送信号电平相关联,以及基于相关性来确定是否存在由互调调制引起的有效干扰。 还公开了一种计算机程序,控制器和网络节点。
    • 39. 发明申请
    • DATA PROCESSING IN INTRA-SITE HANDOVER
    • 数据处理在现场切换
    • WO2006004462A1
    • 2006-01-12
    • PCT/SE2004/001067
    • 2004-06-30
    • TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)HAGERMAN, BoOVESJÖ, FredrikJOHANNISSON, Björn, GunnarHILTUNEN, Kimmo
    • HAGERMAN, BoOVESJÖ, FredrikJOHANNISSON, Björn, GunnarHILTUNEN, Kimmo
    • H04Q7/38
    • H04W36/18H04W16/28H04W36/0083H04W36/0094H04W36/165H04W52/40H04W72/046
    • The invention involves data processing during intra-site handover procedures. At least two directional antennas (140; 160) of a base station (100) receive user data carrying signals originating from a mobile units (400) positioned in an intra-site handover area (15) defined by the overlapping radio coverage (14; 16) of the antennas (140; 160). The directional antennas (140; 160) 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 (140; 160). The detected user data from the directional antennas (140; 160) is then jointly processed to generate processed user data. The performance loss is compensated by providing differential antenna gain of the directional antennas (140; 160) within the handover area (15). As a result, a similar radio coverage in this area (15) as prior art solutions is obtained but with a less complex antenna-related design.
    • 本发明涉及在站内切换过程中的数据处理。 基站(100)的至少两个定向天线(140; 160)接收承载来自位于由重叠的无线电覆盖(14; 14)定义的站内切换区域(15)内的移动单元(400)的信号的用户数据。 16)的天线(140; 160)。 定向天线(140; 160)执行接收的数据信号的初始数据信号检测,导致检测到的用户数据,这通常导致天线(140; 160)的无线电性能的损失。 来自定向天线(140; 160)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。 通过提供切换区域(15)内的定向天线(140; 160)的差分天线增益来补偿性能损失。 结果,获得了作为现有技术解决方案的该领域(15)中类似的无线电覆盖,但是具有较不复杂的天线相关设计。