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    • 1. 发明申请
    • METHOD AND APPARATUS FOR REDUCING INTERFERENCE IN A MOBILE COMMUNICATIONS NETWORK
    • 用于减少移动通信网络干扰的方法和装置
    • WO2009157836A1
    • 2009-12-30
    • PCT/SE2008/051274
    • 2008-11-07
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)ANDERSSON, RutgerMUSIKKA, NiiloOVESJÖ, FredrikKARLSSON, PatrikAXELSSON, SamuelMÅRTENSSON, Lars O
    • ANDERSSON, RutgerMUSIKKA, NiiloOVESJÖ, FredrikKARLSSON, PatrikAXELSSON, SamuelMÅRTENSSON, Lars O
    • H04W72/12
    • H04W72/1231H04W72/1268
    • The invention relates to a method for reducing interference between users in a mobile communications network (1) in which uplink transmissions from user equipment, UE (3), to a radio base station, RBS (5A, 5B), can be performed on at least two different carriers (C1, C2). The UE (3) support dynamic switching between CDM and TDM transmission mode and the RBS (5A, 5B) is arranged to dynamically set the mode of transmission for the UE (3). The method comprises the steps of: - identifying (S200) at least a first UE as a high data rate, HDR, UE currently requiring high data transmission rate; dedicating (S201) at least one of said at least two carriers (C1, C2) to said HDR UE for at least a first period of time (T), said at least one carrier (C1, C2) hereinafter being named clean carrier, and - allocating (S202) said at least first HDR UE to said clean carrier (C1, C2) during said at least first period of time (T). This method ensures that no UE operating in CDM mode is transmitting on the same carrier at the same time as the HDR UE.
    • 本发明涉及一种用于减少移动通信网络(1)中的用户之间的干扰的方法,其中可以在用户设备UE(3)到无线电基站RBS(5A,5B)的上行链路传输 至少两个不同的载体(C1,C2)。 UE(3)支持CDM和TDM传输模式之间的动态切换,并且RBS(5A,5B)被配置为动态地设置UE(3)的传输模式。 该方法包括以下步骤: - 识别(S200)至少第一UE作为高数据速率,目前要求高数据传输速率的HDR; 将所述至少两个载波(C1,C2)中的至少一个载波(C1,C2)专用于所述HDR UE至少第一时间段(T),所述至少一个载波(C1,C2)以下称为清除载波, 以及 - 在所述至少第一时间段(T)期间将所述至少第一HDR UE分配(S202)到所述清洁载波(C1,C2)。 该方法确保在与HDR UE同时在CDM模式下运行的UE不在同一载波上进行发送。
    • 4. 发明申请
    • METHOD AND ARRANGEMENT IN A COMMUNICATION NETWORK
    • 通信网络中的方法和布置
    • WO2009088346A1
    • 2009-07-16
    • PCT/SE2008/051466
    • 2008-12-16
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)LANGLET, JoakimMUSIKKA, NiiloBRÄNNLUND, Tomas Åke
    • LANGLET, JoakimMUSIKKA, NiiloBRÄNNLUND, Tomas Åke
    • H04W36/36H04W36/08
    • H04W36/36H04W36/18
    • Method and arrangement in a node in a radio access network for use in improving a success ratio for hard handover of a downlink connection to a user equipment (110) between cells (132, 121) in the radio access network (110). The user equipment and the radio access (110) network are capable of engaging in diversity handover for uplink communications. The method comprises the steps of transmuting to the user equipment (110) information authorising the user equipment (116) Io take a decision on whether to initiate the downlink handover procedure, receiving from the user equipment information establishing a point in time for performing the downlink handover, initiating an activation of a source cell (121) and a target cell (132) in preparation for the downlink handover prior to the established point in time and performing the downlink handover in the radio access network (110) at the established point in time. Also, a method and arrangement in a user equipment (110) is presented.
    • 无线电接入网络中的节点中的方法和布置,用于提高下行链路连接到无线电接入网络(110)中的小区(132,121)之间的用户设备(110)的硬切换的成功率。 用户设备和无线电接入(110)网络能够参与用于上行链路通信的分集切换。 该方法包括以下步骤:向用户设备(110)转发授权用户设备(116)的信息,以决定是否启动下行链路切换过程,从用户设备接收建立用于执行下行链路的时间点的信息 切换,启动源小区(121)和目标小区(132)的激活,以准备在建立的时间点之前的下行链路切换,并且在无线接入网络(110)中的建立点执行下行链路切换 时间。 此外,呈现用户设备(110)中的方法和布置。
    • 5. 发明申请
    • METHODS AND DEVICES FOR INTER FREQUENCY MEASUREMENTS
    • 用于频率测量的方法和设备
    • WO2012047168A1
    • 2012-04-12
    • PCT/SE2011/051189
    • 2011-10-05
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)HELLANDER, BoMUSIKKA, Niilo
    • HELLANDER, BoMUSIKKA, Niilo
    • H04W24/10H04W16/32H04W36/22H04W36/00
    • H04W24/10H04W48/16H04W72/00H04W88/02
    • The present disclosure relates to different aspects of inter frequency measurements. Methods in a User Equipment and in a mobile communications network for performing and handling inter frequency measurements are provided. It is further provided embodiments of a node and a User Equipment for performing said methods. It is therefore one object to provide a solution to the problem of prohibiting overloading the User Equipment's processor with frequency measurement processing, thereby allowing User Equipments having a certain processor capacity to perform measurement control for more cells and frequencies, i.e. measurements on more than two non used frequencies, without increasing the processing load of the User Equipment. The object of the present disclosure is achieved by allowing different requirements for measurements, i.e. measurement performance requirements on different frequencies, i.e. cells. When ordering the UE to perform inter frequency measurements, at least two separate neighbour cell lists may be used.
    • 本公开涉及频率间测量的不同方面。 提供了用于用户设备和用于执行和处理频率间测量的移动通信网络中的方法。 还提供了用于执行所述方法的节点和用户设备的实施例。 因此,一个目的是提供一种解决方案来解决用频率测量处理过载用户设备处理器的问题,从而允许具有一定处理器能力的用户设备对更多的小区和频率进行测量控制, 使用频率,而不增加用户设备的处理负载。 本公开的目的是通过允许不同的测量要求,即在不同频率(即小区)上的测量性能要求)来实现。 当订购UE进行频间测量时,可以使用至少两个单独的相邻小区列表。
    • 6. 发明申请
    • APPARATUS AND METHOD FOR CONTROLLING SELF-INTERFERENCE IN A CELLULAR COMMUNICATIONS SYSTEM
    • 用于控制细胞通信系统中的自干扰的装置和方法
    • WO2011162676A1
    • 2011-12-29
    • PCT/SE2011/050731
    • 2011-06-14
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)JOHANSSON, KlasWALLÉN, AndersMUSIKKA, NiiloNYBERG, Henrik
    • JOHANSSON, KlasWALLÉN, AndersMUSIKKA, NiiloNYBERG, Henrik
    • H04W72/08
    • H04W72/082H04W72/0453H04W88/08
    • The invention relates to a radio base station and method for a radio base station of a cellular communications system for controlling self- interference. The radio base station supports communication with a user equipment using multiple uplink and multiple downlink carriers. The method comprises detecting a degraded downlink performance on a downlink carrier due to self - interference by determining that a set of predefined conditions applies. The method further comprises executing, in response to detection of the degraded downlink performance, an action to reduce self - interference between the uplink and downlink carriers. The action is one of: uplink scheduling to reduce self - interference, deactivation of a secondary uplink carrier, deactivation of a secondary downlink carrier, and initiation of carrier reconfiguration to reduce self - interference. Accordingly, benefits of using multi - carrier operation may be balanced against a possible associated drawback of degraded downlink performance due to self - interference.
    • 本发明涉及用于控制自干扰的蜂窝通信系统的无线基站的无线基站和方法。 无线电基站支持使用多个上行链路和多个下行链路载波与用户设备进行通信。 该方法包括通过确定一组预定义条件适用来检测由于自干扰而导致的下行链路载波上的劣化的下行链路性能。 该方法还包括响应于对劣化的下行链路性能的检测而执行减少上行链路和下行链路载波之间的自干扰的动作。 该动作是:减少自干扰的上行链路调度,辅助上行链路载波的去激活,二次下行链路载波的去激活以及载波重配置的启动以减少自干扰。 因此,使用多载波操作的好处可以与由于自干扰引起的下行链路性能下降的可能的相关缺点进行平衡。