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    • 11. 发明申请
    • METHOD AND APPARATUS FOR CONTROLLING THE INTERFERENCE BETWEEN A MICROCELL AND A MACROCELL
    • 用于控制微细胞与微孔之间的干涉的方法和设备
    • WO2012117298A2
    • 2012-09-07
    • PCT/IB2012/000662
    • 2012-02-24
    • ALCATEL LUCENTZHANG, LuYANG, TaoYANG, LinWEN, Pingping
    • ZHANG, LuYANG, TaoYANG, LinWEN, Pingping
    • H04W24/00
    • H04W52/244H04W28/04H04W52/367
    • A method and an apparatus for controlling interference between a microcell and a macrocell in a home base station within the microcell are provided in the present invention. In particular, in the case that the existence: of at least one victim macro user equipment is detected, the home base station according to the present invention controls its transmit power within an interval determined by an upper limit and a lower limit, such that it can be guaranteed that the performance requirement of a communication with the home user equipment is satisfied while lac interference toward the victim macro user equipment is reduced. Additionally, the home base station according to the present invention detects whether there is at least one indoor victim macro user equipment, and conducts corresponding interference control according to the detection result.
    • 在本发明中提供了一种用于控制微小区内的家庭基站中的微小区与宏小区之间的干扰的方法和设备。 具体地,在检测到存在至少一个受害宏用户设备的情况下,根据本发明的家庭基站在由上限和下限确定的间隔内控制其发射功率,使得它 可以保证满足与家庭用户设备通信的性能要求,同时减少对受害者宏用户设备的干扰。 此外,根据本发明的家庭基站检测是否存在至少一个室内受害宏用户设备,并且根据检测结果进行相应的干扰控制。
    • 16. 发明申请
    • METHOD AND APPARATUS FOR DISCOVERING A SMALL CELL IN A HETEROGONOUS COMMUNICATION NETWORK
    • 在异常通信网络中发现小细胞的方法和装置
    • WO2013005105A2
    • 2013-01-10
    • PCT/IB2012/001443
    • 2012-07-06
    • ALCATEL LUCENTZHONG, ChongxianWEN, PingpingZOU, JialinYANG, Tao
    • ZHONG, ChongxianWEN, PingpingZOU, JialinYANG, Tao
    • H04W48/16H04W84/04H04W36/00H04W52/02
    • H04W36/0022H04W36/0016H04W36/0061H04W36/0083H04W48/16H04W52/0203H04W52/0212H04W84/045H04W88/08Y02D70/00
    • The invention provides a solution of discovering/identifying a small cell in a heterogonous communication network. A macro base station determines whether a user equipment has approached to one or more small cells based upon location range information of respective small cells in a macro cell and estimated location information of a user equipment, and if so, then the macro base station transmits a dedicated signaling to the user equipment, and the user equipment triggers a search based upon the dedicated signaling to search for the one or more small cells periodically. The invention further provides another solution of discovering a small cell. A user equipment determines whether the user equipment has approached to one or more small cells based upon received location range information, broadcast from a macro base station, of alert zones of respective small cells and estimated location information of the user equipment, and if so, then the user equipment triggers a search to search for the one or more small cells periodically. The invention can discover/identify a small cell in a heterogonous communication network more efficiently under the circumstance of saved power consumption of the user equipment.
    • 本发明提供了一种在异构通信网络中发现/识别小小区的解决方案。 宏基站基于宏小区中的各个小小区的位置范围信息和用户设备的估计位置信息来确定用户设备是否接近一个或多个小小区,如果是,则基站发送 向用户设备发送专用信令,用户设备根据专用信令触发搜索周期性搜索一个或多个小小区。 本发明还提供了发现小单元的另一种解决方案。 用户设备根据接收到的来自宏基站的位置范围信息,各个小区域的报警区域和用户设备的估计位置信息,确定用户设备是否接近一个或多个小小区,如果是, 那么用户设备触发搜索以周期性地搜索一个或多个小小区。 本发明可以在用户设备的节省电力消耗的情况下更有效地发现/识别异构通信网络中的小小区。
    • 19. 发明申请
    • METHOD FOR RANDOM ACCESS
    • 随机访问方法
    • WO2012137077A2
    • 2012-10-11
    • PCT/IB2012/000901
    • 2012-03-30
    • ALCATAL LUCENTYANG, TaoLIM, Seau, Sian
    • YANG, TaoLIM, Seau, Sian
    • H04W74/0833H04L5/0007H04L5/0091H04W56/0045H04W74/08
    • The present invention proposes a method, in an eNB in wireless communication network based on carrier aggregation (CA) transmission, for controlling random access performed by UE, wherein the method comprises: determining whether the UE is out of UL sync on all cells, wherein the cells comprises Pcell and Scell: sending Physical Downlink Control Channel (PDCCH) order signaling if the UE is out of UL sync on all the cells, wherein the PDCCH order signaling is used to indicating the UE to perform random access. A method, in a mobile station in wireless communication network based on carrier aggregation (CA) transmission, for random access, wherein the mobile station is configured a Pcell and at least one Scell, and the method comprises: determining whether random access is needed on at least one cell of the cells, wherein the cells comprises the Pcell and the at least one Scell; performing random access on at least one cell of all the cells, if it is determined that random access is needed on at least one cell of the cells.
    • 本发明提出一种在eNB中基于载波聚合(CA)传输的无线通信网络中的方法,用于控制由UE执行的随机接入,其中该方法包括:确定所有小区上UE是否超出UL同步,其中 如果UE在所有小区上超出UL同步,则小区包括Pcell和Scell:发送物理下行链路控制信道(PDCCH)命令信令,其中PDCCH命令信令用于指示UE执行随机接入。 一种在基于载波聚合(CA)传输的无线通信网络中的移动站中进行随机接入的方法,其中所述移动站被配置为Pcell和至少一个Scell,并且所述方法包括:确定是否需要随机接入 所述单元的至少一个单元,其中所述单元包括所述Pcell和所述至少一个Scell; 如果确定在小区的至少一个小区上需要随机访问,则对所有小区的至少一个小区执行随机访问。
    • 20. 发明申请
    • A METHOD OF HANDOVER IN CARRIER AGGREGATION SCENARIOS
    • 携带者聚集场景中的切换方法
    • WO2012137034A1
    • 2012-10-11
    • PCT/IB2011/003216
    • 2011-11-08
    • ALCATEL LUCENTYANG, TaoLIM, Seau Sian
    • YANG, TaoLIM, Seau Sian
    • H04W36/08
    • H04W36/36H04W36/0072H04W36/0077
    • A method of handover in carrier aggregation scenario is proposed in the present invention. In an embodiment of the present invention, the following steps are comprised: a base station sends a handover command to a user equipment wherein the handover command includes information for indicating a Peell and a Scell requiring a timing advance different from said Peell; the user equipment receives the handover command, and performs a random access on said Peell and the Seell requiring a timing advance different from said Peell; the base station sends information for indicating corresponding timing advance to said user equipment, according to a successful random access of said user equipment on said Peell and the Seell requiring a timing advance different from said Peell. By means of the technical solution provided in the present invention, the Peell and the Seell requiring a timing advance in carrier aggregation scenarios can fee supported. In addition, in some embodiments, by supporting changing Peell, the success rate of handover in carrier aggregation, scenarios is effectively improved, as to avoid unnecessary connection reestablishment procedures.
    • 本发明提出了载波聚合场景中的切换方法。 在本发明的一个实施例中,包括以下步骤:基站向用户设备发送切换命令,其中切换命令包括用于指示剥离的信息和需要不同于所述剥离的定时提前的信元; 用户设备接收到切换命令,并对所述Peell和Seell执行随机访问,所述Peell和Seell需要与所述Peell不同的定时提前; 根据所述用户设备在所述Peell和Seell上成功随机访问需要不同于所述Peell的定时提前,基站向所述用户设备发送用于指示对应的定时提前的信息。 通过本发明提供的技术方案,可以支付在载波汇聚情况下需要定时提前的Peell和Seell。 此外,在一些实施例中,通过支持改变的Peell,载波聚合中的切换成功率被有效地改善,以避免不必要的连接重建过程。