利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

29 条记录 (耗时 0.017 秒)

    METHOD AND APPARATUS FOR AVOIDING IN-DEVICE COEXISTENCE INTERFERENCE
    4.
    发明授权
    METHOD AND APPARATUS FOR AVOIDING IN-DEVICE COEXISTENCE INTERFERENCE 有权

    公开(公告)号：EP2622927B1

    公开(公告)日：2017-09-20

    申请号：EP10773433.7

    申请日：2010-10-01

    申请人： BlackBerry Limited

    发明人： KOO, Changhoi ,  LI, Jun ,  CAI, Zhijun

    IPC分类号： H04W72/12

    CPC分类号： H04W72/082 ,  H04W16/14 ,  H04W72/1215 ,  H04W88/06

    摘要： A method, system and device are provided for avoiding in-device coexistence interference between different radio technologies deployed in adjacent bands on the same device by controlling and separating the LTE signaling and the non-LTE signaling using dedicated time intervals to separate LTE signaling from non-LTE signaling. In addition, coexistence mode handover procedures are provided which use threshold-based triggering events to avoid coexistence interference and to prevent ping-pong effects by establishing a “keeping time” parameter so that a non-interfering network node does not switch back to an interfering network node after handoff. Coexistence interference is also avoided by providing a hybrid automatic repeat request (HARQ) mechanism which accounts for coexistence interference by providing a fixed or variable on-interval parameter and an activity parameter indicating whether non-LTE activity is present to maximize a time interval for non-LTE devices without interference from LTE activity on the same device.

    PERFORMING RANDOM ACCESS IN CARRIER AGGREGATION
    8.
    发明公开
    PERFORMING RANDOM ACCESS IN CARRIER AGGREGATION 审中-公开
    直接访问载波聚合实现

    公开(公告)号：EP2742765A1

    公开(公告)日：2014-06-18

    申请号：EP11751718.5

    申请日：2011-08-11

    申请人： BlackBerry Limited

    发明人： HEO, Youn Hyoung ,  KOO, Changhoi ,  CAI, Zhijun ,  SUZUKI, Takashi

    IPC分类号： H04W74/08

    CPC分类号： H04W74/0833 ,  H04L1/0038 ,  H04W72/00 ,  H04W72/042 ,  H04W72/0453

    摘要： Systems, apparatus and methods can be implemented for performing random access in carrier aggregation. A user equipment (UE) can transmit a random access preamble to a secondary access device of a second carrier, where the UE is served by both a primary access device and the secondary access device, and the UE is configured to attempt a total number of blind decoding attempts for decoding physical downlink control channel candidates of a UE-specific search space of the second carrier. The UE can perform a first blind decoding of first PDCCH candidates of the common search space of the second carrier, and perform a second blind decoding of second PDCCH candidates of the UE specific search space of the second carrier. A number of blind decoding attempts for the first and second blind decodings is less than or equal to the configured total number of blind decoding attempts.

    METHODS AND DEVICES FOR PERFORMING PROXIMITY DISCOVERY
    10.
    发明公开
    METHODS AND DEVICES FOR PERFORMING PROXIMITY DISCOVERY 审中-公开
    用于执行接近发现的方法和设备

    公开(公告)号：EP3111684A1

    公开(公告)日：2017-01-04

    申请号：EP15709811.2

    申请日：2015-02-27

    申请人： BlackBerry Limited

    发明人： CAI, Zhijun ,  KIM, Joon Beom ,  CHOI, Noun ,  KOO, Changhoi

    IPC分类号： H04W8/00

    CPC分类号： H04W72/0413 ,  H04W4/70 ,  H04W8/005 ,  H04W28/06 ,  H04W52/04 ,  H04W72/042 ,  H04W72/0446 ,  H04W72/0453 ,  H04W76/11 ,  H04W76/14 ,  H04W92/18

    摘要： A method for use in a first user equipment (UE) includes receiving, from a base station, control information and a resource assignment for uplink transmission; and transmitting, based on the control information, a discovery signal on the assigned resource for uplink transmission, the discovery signal including a first temporary UE identifier (ID) assigned to the first UE, wherein the first temporary UE ID is used to identify the first UE for device-to-device communication.

    摘要翻译： 一种在第一用户设备（UE）中使用的方法包括：从基站接收用于上行链路传输的控制信息和资源分配; 以及基于所述控制信息，在所分配的资源上发送用于上行链路传输的发现信号，所述发现信号包括分配给所述第一UE的第一临时UE标识符（ID），其中，所述第一临时UE ID用于标识所述第一 UE进行设备到设备通信。