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    • 63. 发明授权
    • Cell searching system and method
    • 小区搜索系统和方法
    • US08670384B2
    • 2014-03-11
    • US13158895
    • 2011-06-13
    • Bengt LindoffRobert BaldemairErik DahlmanStefan Parkvall
    • Bengt LindoffRobert BaldemairErik DahlmanStefan Parkvall
    • H04W4/00H04J3/06H04W72/00
    • H04L27/2655H04J11/0069H04L27/2602H04L27/2675
    • For wireless networks that transmit synchronization signals allowing user equipment to synchronize to cells within the network and transmit reference signals allowing user equipment to determine cell identities, a method and apparatus taught herein advantageously link the synchronization signal sequences to the reference signal sequences according to a defined mapping. The linking simplifies the cell search process by allowing user equipment to determine cell identities based on mapping detected synchronization signal sequences to the corresponding reference signal or to the corresponding subset of reference signals in embodiments where there are more reference signal sequences than synchronization signal sequences. In at least one embodiment, the network is a 3G LTE network and at least the Primary Synchronization Signal (P-SyS) sequences are linked to the Downlink (DL) reference symbol sequences according to a defined mapping, thereby allowing to user equipment to determine cell identities from detected P-SyS sequences.
    • 对于发送允许用户设备与网络中的小区同步并发送允许用户设备确定小区标识的参考信号的同步信号的无线网络,本文教导的方法和装置有利地将同步信号序列链接到参考信号序列, 映射。 该链接通过允许用户设备基于将检测到的同步信号序列映射到对应的参考信号或者在具有比同步信号序列更多的参考信号序列的参考信号序列的相应的参考信号子集中来简化小区搜索过程。 在至少一个实施例中,网络是3G LTE网络,并且至少主同步信号(P-SyS)序列根据定义的映射链接到下行链路(DL)参考符号序列,从而允许用户设备确定 来自检测到的P-SyS序列的细胞鉴定。
    • 65. 发明授权
    • Method and arrangement in a radio communications system for supporting DTX
    • 用于支持DTX的无线电通信系统中的方法和布置
    • US08639252B2
    • 2014-01-28
    • US13319258
    • 2009-05-08
    • Pål FrengerRobert BaldemairErik Dahlman
    • Pål FrengerRobert BaldemairErik Dahlman
    • H04W36/00
    • H04W36/0055H04W52/0216H04W76/28H04W92/20Y02D70/1222Y02D70/1242Y02D70/1262Y02D70/146Y02D70/24Y02D70/25
    • A method in a first base station for supporting DTX is provided. The first base station serves a first cell being in an active mode. The first base station communicates with a user equipment within the first cell. The first base station is comprised in a radio communications system further comprising the user equipment and a second base station serving a second cell being in a non observable mode. The first base station sends (602) to the second base station, a request to switch the second cell state from a non observable mode to an observable mode. It further sends (603) to the user equipment or to the second base station, a request to perform signalling between the user equipment and the second base station for quality measurements. The first base station then obtains (604) information that handover is feasible, based on quality measurement of the performed signalling. The first base station sends (605) to the second base station, a request to prepare handover of the user equipment from the first cell to the second cell, and further (606) to the user equipment, a command to perform handover to the second cell.
    • 提供了一种用于支持DTX的第一基站中的方法。 第一基站服务于处于活动模式的第一小区。 第一基站与第一小区内的用户设备进行通信。 第一基站包括在还包括用户设备和服务于不可观察模式的第二小区的第二基站的无线电通信系统中。 第一基站向第二基站发送(602)将第二小区状态从不可观察模式切换到可观察模式的请求。 它进一步向用户设备或第二基站发送(603)请求以在用户设备和第二基站之间执行用于质量测量的信令。 然后,基于进行的信令的质量测量,第一基站获得切换可行的信息(604)。 第一基站向第二基站发送(605)请求,准备将用户设备从第一小区切换到第二小区,并且进一步(606)到用户设备,执行向第二小区切换的命令 细胞。
    • 67. 发明申请
    • Methods and Devices for Data Transmission Via a Plurality of Carriers
    • 通过多种载体进行数据传输的方法和设备
    • US20130136069A1
    • 2013-05-30
    • US13514063
    • 2010-12-14
    • Robert BaldemairDirk GerstenbergerDaniel LarssonHenning Wiemann
    • Robert BaldemairDirk GerstenbergerDaniel LarssonHenning Wiemann
    • H04W72/04
    • H04W72/0406H04L5/0007H04L5/001H04L5/0053H04L5/0091H04W52/367H04W52/54
    • A communication system includes a transmitting communication device (310) and a receiving communication device (320). The transmitting communication device (310) determines a control element, e.g., a control element of a Media Access Control protocol, associated with one of the carriers and provides the control element with an identifier specifying the carrier the control element is associated with. The transmitting communication device (310) sends the control element with the identifier on one of the carriers to the receiving communication device (320). The receiving communication device (320) receives the control element and determines, from the identifier received with the control element, the carrier the control element is associated with. Further, the receiving communication device (320) determines, on the basis of parameters indicated by the control element, a data transmission property of the carrier the control element is associated with.
    • 通信系统包括发送通信设备(310)和接收通信设备(320)。 发送通信设备(310)确定与载波之一相关联的控制元件,例如媒体接入控制协议的控制元件,并向控制元件提供指定控制元件相关联的载波的标识符。 发送通信设备(310)将具有标识符的控制元件在其中一个载波上发送到接收通信设备(320)。 接收通信设备(320)接收控制元件,并从与控制元件接收的标识符中确定控制元件相关联的载波。 此外,接收通信装置(320)基于由控制元件指示的参数,确定控制元件相关联的载波的数据传输特性。
    • 68. 发明申请
    • METHODS AND DEVICES IN A COMMUNICATIONS NETWORK
    • 通信网络中的方法和设备
    • US20120302278A1
    • 2012-11-29
    • US13488051
    • 2012-06-04
    • Robert BaldemairAnders Furuskar
    • Robert BaldemairAnders Furuskar
    • H04W52/04H04W74/08
    • H04W52/50H04W52/10H04W52/146H04W52/242
    • A method for determining a random access transmission power setting of a first communication device in a communications network includes receiving, at a first communication device, data from a second communication device indicating a random access reception power. The method also includes determining a desired random access reception power of the second communication device based on the received data and a parameter of random access configuration that influences a detection performance of the random access at the second communication device and determining a random access transmission power to use based on the desired random access reception power. The method additionally includes setting a random access transmission power setting of the first communication device in accordance with the determined random access transmission power.
    • 一种用于确定通信网络中的第一通信设备的随机接入传输功率设置的方法包括在第一通信设备处接收来自指示随机接入接收功率的第二通信设备的数据。 该方法还包括基于接收的数据确定第二通信设备的期望的随机接入接收功率,以及影响第二通信设备的随机接入的检测性能的随机接入配置的参数,并确定随机接入发送功率 基于所需的随机接入功率使用。 该方法还包括根据确定的随机接入传输功率来设置第一通信设备的随机接入传输功率设置。
    • 70. 发明授权
    • Methods and devices for random access power control in a communications network
    • 通信网络随机接入功率控制的方法和装置
    • US08194575B2
    • 2012-06-05
    • US12747028
    • 2008-10-07
    • Robert BaldemairAnders Furuskär
    • Robert BaldemairAnders Furuskär
    • H04B7/005H04W4/00
    • H04W52/50H04W52/10H04W52/146H04W52/242
    • The invention relates to a method in a first communication device within a communications network for designing a random access transmission power setting of the first communication device comprising to receive (42) data from a second communication device on a radio channel indicating a random access reception power. The first communication device determines (44) a desired random access reception power of the second communication device based on the received data and a parameter of random access configuration that influences a detection performance of the random access at the second communication device. Based on the desired random access reception power the first communication device determines (46) a random access transmission power to use and the first communication device designs (48) the random access transmission power setting of the first communication device in accordance with the determined random access transmission to use.
    • 本发明涉及用于设计第一通信设备的随机接入传输功率设置的通信网络内的第一通信设备中的方法,包括:在无线电信道上从第二通信设备接收(42)数据,指示随机接入接收功率 。 第一通信设备基于所接收的数据和影响第二通信设备的随机接入的检测性能的随机接入配置的参数来确定(44)第二通信设备的期望的随机接入接收功率。 根据期望的随机接入接收功率,第一通信设备确定(46)要使用的随机接入传输功率,并且第一通信设备根据所确定的随机接入设计(48)第一通信设备的随机接入传输功率设置 传输使用。