PHYSICAL RANDOM ACCESS CHANNEL (PRACH) DESIGN
    101.
    发明公开

    公开(公告)号:EP3456137A1

    公开(公告)日:2019-03-20

    申请号:EP16778629.2

    申请日:2016-09-28

    Abstract: Technology for an eNodeB operable to configure a physical random access channel (PRACH) to enable uplink communications by a user equipment (UE) is disclosed. The eNodeB can allocate a PRACH subframe configuration for a plurality of UEs that utilizes a Block Interleaved Frequency Division Multiple Access (B-IFDMA) subframe structure. The B-IFDMA subframe structure can comprise interlaced resource blocks (RBs) assigned to each of the plurality of UEs over a selected number of symbols. The eNodeB can decode a PRACH waveform received from one of the plurality of UEs. The UE can be configured to transmit the PRACH waveform using the PRACH subframe configuration.

    SYSTEMS, METHODS AND DEVICES FOR SHARING A WIRELESS MEDIUM USING LISTEN BEFORE TALK

    公开(公告)号:EP3354099A1

    公开(公告)日:2018-08-01

    申请号:EP15825723.8

    申请日:2015-12-21

    Abstract: Licensed assisted access (LAA) uplink (UL) transmissions can be performed using UL scheduling, enhanced node B (eNB) listen before talk (LBT), and user equipment (UE) LBT. A scheduling of a UE for UL transmission can include different procedures for a UE to perform LBT before UL transmission. These procedures can be classified as: i) a scheduled UE performing no LBT for UL transmission, ii) a scheduled UE performing fast LBT (as compared to the eNB) with a more aggressive choice of parameters than the eNB and iii) a scheduled UE performing LBT using parameters as used by the eNB for LBT. In some embodiments, the UL grant transmission by the eNB occurs in the unlicensed band after a successful LBT procedure at the eNB.

    LISTEN BEFORE TALK (LBT) DESIGN FOR UPLINK LICENSED ASSISTED ACCESS (LAA) OPERATION IN UNLICENSED BAND
    105.
    发明公开
    LISTEN BEFORE TALK (LBT) DESIGN FOR UPLINK LICENSED ASSISTED ACCESS (LAA) OPERATION IN UNLICENSED BAND 审中-公开
    在讲授之前听说(LBT)设计上行授权协助接入(LAA)在非授权频段的操作

    公开(公告)号:EP3222102A1

    公开(公告)日:2017-09-27

    申请号:EP15801084.3

    申请日:2015-11-16

    CPC classification number: H04W74/08

    Abstract: Techniques for mobile communication in an unlicensed frequency band are discussed. One example apparatus implementing such techniques includes a processor, transmitter circuitry, and receiver circuitry. The processor is configured to determine, for one or more user equipments (UEs), a set of listen before talk (LBT) parameters associated with an unlicensed frequency band; and determine at least one uplink grant in the unlicensed frequency band for at least one of the one or more UEs. The transmitter circuitry is configured to transmit the set of LBT parameters and the at least one uplink grant. The receiver circuitry is configured to receive transmissions over resources associated with the at least one uplink grant.

    Abstract translation: 讨论了在无执照频带中的移动通信技术。 实现这种技术的一个示例设备包括处理器,发射机电路和接收机电路。 处理器被配置为针对一个或多个用户设备(UE)确定与未许可频带相关联的一组听讲先讲(LBT)参数; 以及为所述一个或多个UE中的至少一个确定所述免许可频带中的至少一个上行链路许可。 发射机电路被配置为发送该组LBT参数和该至少一个上行链路许可。 接收器电路被配置为通过与至少一个上行链路许可相关联的资源接收传输。

    SYSTEM AND METHOD FOR TDD COMMUNICATIONS
    106.
    发明公开
    SYSTEM AND METHOD FOR TDD COMMUNICATIONS 审中-公开
    用于TDD通信的系统和方法

    公开(公告)号:EP3172848A1

    公开(公告)日:2017-05-31

    申请号:EP15824191.9

    申请日:2015-06-03

    Abstract: Radio frame configuration circuitry for use in a device of a wireless communication system is provided. The radio frame configuration circuitry uses control circuitry to select between a plurality of different time-division duplex, TDD, configurations for a radio frame having slots with a configured duration. Transceiver circuitry performs TDD communications based on selections made by the control circuitry such that an average periodicity of switching between transmission of information and reception of information during the TDD communication is the same despite switching between different ones of the plurality of different TDD configurations. The radio frame configuration circuitry can be incorporated in a UE or an eNodeB or a Peer Radio Head. A corresponding method is provided.

    Abstract translation: 提供了用于无线通信系统的设备中的无线电帧配置电路。 无线电帧配置电路使用控制电路在用于具有配置的持续时间的时隙的无线电帧的多个不同的时分双工TDD配置之间进行选择。 收发机电路基于由控制电路进行的选择来执行TDD通信,使得尽管在多个不同的TDD配置中的不同TDD配置之间进行切换,但是在TDD通信期间信息的传输和信息的接收之间的切换的平均周期性是相同的。 无线电帧配置电路可以被包含在UE或eNodeB或对等无线电头中。 提供了相应的方法。

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