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    • 12. 发明申请
    • APPARATUSES, METHODS AND COMPUTER PROGRAM PRODUCTS RELATED TO IMPROVEMENTS IN DMRS TRANSMISSION
    • 与DMRS传输相关改进相关的装置,方法和计算机程序产品
    • WO2014085997A1
    • 2014-06-12
    • PCT/CN2012/085910
    • 2012-12-05
    • BROADCOM CORPORATIONSUN, PengfeiGAO, ChunyanWEI, NaZENG, ErlinBAI, WeiWANG, Haiming
    • SUN, PengfeiGAO, ChunyanWEI, NaZENG, ErlinBAI, WeiWANG, Haiming
    • H04W28/06H04W28/16H04W72/04
    • H04L5/0048H04L1/0026H04L1/1671H04L5/0094H04W28/06
    • According to at least an aspect of the present invention, there is provided, under an network transceiver device aspect of e.g. an eNB, an apparatus, comprising a controller configured to cause a first set of reference signals to be transmitted at specific locations within a time and frequency resource grid, receive information indicative of a usability of a second set of reference signals within the resource grid, the second set comprising less reference signals as compared to the first set, analyse the received information, and responsive thereto generate control information, and cause to apply the second set of reference signals at specific locations within the time and frequency resource grid to be transmitted, and cause to transmit the generated control information in downlink so as to inform terminals being in communication with said apparatus of said second set of reference signals being applied. A corresponding apparatus in terms of a terminal device of e.g. a UE is also provided as well as respective corresponding methods and computer program products.
    • 根据本发明的至少一个方面,提供了一种网络收发器装置的方面。 eNB,装置,包括被配置为使第一组参考信号在时间和频率资源网格内的特定位置发送的控制器,接收指示资源网格内第二组参考信号的可用性的信息, 所述第二组包括与所述第一组相比较少的参考信号,分析所接收的信息,并且响应于此生成控制信息,并且使得将所述第二组参考信号应用于待传输的时间和频率资源网格内的特定位置, 并且使得在下行链路中发送所生成的控制信息,以通知应用与所述第二组参考信号的所述设备通信的终端。 关于例如终端设备的相应设备。 还提供了UE以及相应的相应方法和计算机程序产品。
    • 13. 发明申请
    • SMALL CELL DISCOVERY AND MEASUREMENT IN WIRELESS MOBILE NETWORKS
    • 无线移动网络中的小细胞发现和测量
    • WO2014008665A1
    • 2014-01-16
    • PCT/CN2012/078619
    • 2012-07-13
    • RENESAS MOBILE CORPORATIONSUN, PengfeiZENG, ErlinWEI, NaGAO, ChunyanWANG, HaimingBAI, Wei
    • SUN, PengfeiZENG, ErlinWEI, NaGAO, ChunyanWANG, HaimingBAI, Wei
    • H04W24/10
    • H04W48/16H04L1/20H04W24/10
    • A cell identification procedure for small cells in wireless networks in alternative embodiments. Macro eNB may signal all user equipment (UE) to perform detection and signal quality measurement based on a single extended physical discovery channel (PDCH) transmission. UE may perform synchronization then quality-level measurement on the same PDCH signal. Alternatively, the macro eNB may signal all UE to perform the measurement based on the channel state information reference signal (CSI-RS) after synchronization and cell detection on PDCH signal. In another approach, eNB may only transmit CSI-RS upon receipt of a detection result from UE. If no new UE are entering a small cell, the cell may send CSI-RS periodically for measurement while PDCH may not be provided at all. A hybrid mode may be implemented in which UE may use either PDCH or CSI-RS for measurement, determined by UE on its own.
    • 在替代实施例中,无线网络中的小小区的小区识别过程。 宏eNB可以基于单个扩展物理发现信道(PDCH)传输来向全部用户设备(UE)发出信号进行检测和信号质量测量。 UE可以在相同PDCH信号上执行同步质量级测量。 或者,宏eNB可以基于在同步之后的信道状态信息参考信号(CSI-RS)和对PDCH信号的小区检测来向所有UE发信号执行测量。 在另一种方法中,eNB仅在从UE接收到检测结果时才发送CSI-RS。 如果没有新的UE进入小小区,则小区可以周期性发送CSI-RS进行测量,同时可能根本不提供PDCH。 可以实现混合模式,其中UE可以使用由UE独自确定的用于测量的PDCH或CSI-RS。
    • 16. 发明申请
    • DATA TRANSMISSION FOR LOW COST MTC DEVICES
    • 低成本MTC设备的数据传输
    • WO2014110785A1
    • 2014-07-24
    • PCT/CN2013/070668
    • 2013-01-18
    • BROADCOM CORPORATIONZENG, ErlinGAO, ChunyanWEI, NaTAN, ShuangBAI, WeiWANG, Haiming
    • ZENG, ErlinGAO, ChunyanWEI, NaTAN, ShuangBAI, WeiWANG, Haiming
    • H04W72/04
    • H04L1/0038H04L1/18
    • A user equipment (UE) conducting machine-type communication (MTC) attempts to blindly decode a message it received using a pre-arranged and finite set of transport formats; and sends on an uplink radio resource feedback about the message, wherein the feedback is based on a result of the blind decoding. Each transport format of the pre-arranged set comprises a unique combination of modulation and coding scheme, physical resource block set;, and number of transmit repetitions. Prior to the message the pre-arranged set may be indicated to the UE in wireless signaling, or it may be specified in a radio standard. The set may be designated for downlink messages and a second set designated for uplink messages. Various embodiments are described for the uplink radio resource on which the feedback is sent, and conventional HARQ feedback is adapted for MTC in these teachings.
    • 进行机器型通信(MTC)的用户设备(UE)尝试使用预先安排的和有限的传输格式集盲解码其接收的消息; 并且在上行链路无线电资源上发送关于消息的反馈,其中反馈基于盲解码的结果。 预先设置的集合的每个传输格式包括调制和编码方案,物理资源块集合和发送重复次数的唯一组合。 在消息之前,可以在无线信令中向UE指示预先安排的集合,或者可以在无线电标准中指定。 该集合可以被指定用于下行链路消息,第二组被指定用于上行链路消息。 对于其上发送反馈的上行链路无线电资源描述了各种实施例,并且在这些教导中常规HARQ反馈适用于MTC。
    • 17. 发明申请
    • RANDOM ACCESS FOR COVERAGE IMPROVEMENT
    • 随机访问覆盖改进
    • WO2014110805A1
    • 2014-07-24
    • PCT/CN2013/070708
    • 2013-01-18
    • BROADCOM CORPORATIONWEI, NaGAO, ChunyanZENG, ErlinBAI, WeiWANG, HaimingTAN, Shuang
    • WEI, NaGAO, ChunyanZENG, ErlinBAI, WeiWANG, HaimingTAN, Shuang
    • H04W74/08
    • H04W74/0866
    • A user equipment UE sends in a first message on a random access channel at least one instance of a cyclic prefix CP and a configurable number of N instances of a sequence (N>1); then searches for a second message that replies to the first in a window defined by the first message and implicitly linked to the number N used in the first message. N can be configured by the UE based on its estimate of coverage improvement, and/or by the network and signaled via broadcast SIB/MIB. In one embodiment the first message has one CP and N sequences; in another the CP and sequence are placed in each of N transmission time intervals TTIs. Transmission of the first message begins in a TTI that is a function of a) a system frame number and the number N; and/or b) a time and frequency radio resource based on the number N.
    • 用户设备UE在随机接入信道上发送循环前缀CP和可配置数量的N个序列(N> 1)的至少一个实例的第一消息; 然后搜索在由第一消息定义的窗口中回复第一个消息并隐式链接到第一个消息中使用的数字N的第二个消息。 N可以由UE基于其对覆盖改进的估计和/或由网络配置并且经由广播SIB / MIB发信号。 在一个实施例中,第一消息具有一个CP和N个序列; 在另一个中,CP和序列被放置在N个传输时间间隔TTI中的每一个中。 第一消息的传输在TTI中开始,该TTI是a)系统帧号和数字N的函数; 和/或b)基于数量N的时间和频率无线电资源。