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    • 31. 发明申请
    • ENHANCED PHYSICAL DOWNLINK CONTROL CHANNEL SUPPORTING COMMON SEARCH SPACE
    • 增强物理下行链路控制信道支持常见的搜索空间
    • WO2016160518A1
    • 2016-10-06
    • PCT/US2016/024040
    • 2016-03-24
    • APPLE INC.
    • HUSSAIN, Awais M.TABET, TarikMUJTABA, Syed Aon
    • H04L5/00
    • H04W72/042H04L5/0053
    • This disclosure relates to techniques for transmitting and receiving control information in the common search space on an enhanced physical downlink control channel (EPDCCH). According to some embodiments, a cellular base station may allocate some resource blocks of a subframe as the EPDCCH. The cellular base station may provide control information on a common search space in the EPDCCH for wireless user equipment (UE) devices in the cell provided by the cellular base station during a subframe. A UE device may monitor the EPDCCH to determine whether any indication on the common search space decodable by the UE device is contained in the EPDCCH, and may decode such information if present.
    • 本公开涉及在增强物理下行链路控制信道(EPDCCH)上在公共搜索空间中发送和接收控制信息的技术。 根据一些实施例,蜂窝基站可以将子帧的一些资源块分配为EPDCCH。 蜂窝基站可以在子帧期间由蜂窝基站提供的小区中的无线用户设备(UE)设备的EPDCCH中的公共搜索空间提供控​​制信息。 UE设备可以监视EPDCCH以确定在EPDCCH中是否包含由UE设备解码的公共搜索空间上的任何指示,并且如果存在则可以对这样的信息进行解码。
    • 32. 发明申请
    • METHOD AND APPARATUS FOR LOCATION DETERMINATION WITH WLAN/WPAN/SENSOR SUPPORT
    • 用于WLAN / WPAN /传感器支持的位置确定的方法和装置
    • WO2016126847A1
    • 2016-08-11
    • PCT/US2016/016410
    • 2016-02-03
    • APPLE INC.
    • BELGHOUL, FaroukMAYOR, Robert W.MACGOUGAN, Glenn D.CHHOKRA, Kumar GauravMUJTABA, Syed A.ZHANG, DaweiTABET, Tarik
    • H04W64/00H04W4/22H04W88/06
    • H04W4/025G01C5/06H04W4/02H04W4/33H04W4/90
    • Apparatus and methods for estimating a location of a wireless device in communication with a wireless network, such as a UMTS network or an LTE/LTE-A network, based at least in part on WLAN/WPAN AP measurements and/or barometric measurements are disclosed. The wireless device responds to a location capability inquiry from the wireless network by providing a response that indicates the wireless device is configurable to estimate its location based on WLAN/WPAN AP and/or barometric measurements. The wireless network sends WLAN/WPAN AP and/or barometric reference information to the wireless device to assist in estimating its location. The wireless device measures one or more WLAN/WPAN APs, and the wireless device uses the WLAN/WPAN AP and/or barometric measurements to estimate its location. In some embodiments, GPS/GNSS information is used in conjunction with WLAN/WPAN AP and/or barometric measurements to estimate the location of the wireless device.
    • 公开了至少部分地基于WLAN / WPAN AP测量和/或气压测量来估计与诸如UMTS网络或LTE / LTE-A网络的无线网络通信的无线设备的位置的装置和方法 。 无线设备通过提供指示无线设备可配置以基于WLAN / WPAN AP和/或气压测量来估计其位置的响应来响应来自无线网络的位置能力查询。 无线网络向无线设备发送WLAN / WPAN AP和/或气压参考信息以帮助估计其位置。 无线设备测量一个或多个WLAN / WPAN AP,并且无线设备使用WLAN / WPAN AP和/或气压测量来估计其位置。 在一些实施例中,GPS / GNSS信息与WLAN / WPAN AP和/或气压测量结合使用以估计无线设备的位置。
    • 34. 发明申请
    • IMPROVED TRANSMISSION OF UPLINK CONTROL INFORMATION FOR LINK-BUDGET-LIMITED DEVICES
    • 改进了链接预算有限的设备的上传控制信息的传输
    • WO2016007850A1
    • 2016-01-14
    • PCT/US2015/039929
    • 2015-07-10
    • APPLE INC.
    • TABET, TarikMUJTABA, Syed AonELSAYED, Moustafa M.
    • H04W72/12
    • H04W74/004H04B7/0626H04L1/1671H04L1/18H04L1/1896H04W72/1278H04W72/14H04W74/0833
    • Mechanisms are disclosed for improved transmission of uplink control information by a user equipment (UE) that is link budget limited. In one embodiment, the UE transmits a message to the base station indicating that the UE is link budget limited. In response to the message, the base station sends an uplink grant to the UE, enabling the UE to transmit uplink control information on the physical uplink shared channel (PUSCH) instead of on the Physical Uplink Control Channel (PUCCH). In another embodiment, the base station sends an uplink grant to a link-budget-limited UE each time downlink traffic is transmitted to the UE, enabling the UE to send ACK/NACK feedback on the PUSCH instead of the PUCCH. In another embodiment, the UE transmits a scheduling request (SR) to the base station as part of a random access procedure, enabling the SR to be transmitted on the PUSCH instead of the PUCCH.
    • 公开了用于通过链路预算限制的用户设备(UE)改进上行链路控制信息的传输的机制。 在一个实施例中,UE向基站发送指示UE是链路预算限制的消息。 响应于该消息,基站向UE发送上行链路授权,使得UE能够在物理上行链路共享信道(PUSCH)上而不是在物理上行链路控制信道(PUCCH)上发送上行链路控制信息。 在另一个实施例中,每当下行链路业务被发送到UE时,基站向链路限制的UE发送上行链路许可,使得UE能够在PUSCH上发送ACK / NACK反馈而不是PUCCH。 在另一个实施例中,UE作为随机接入过程的一部分向基站发送调度请求(SR),使得能够在PUSCH而不是PUCCH上发送SR。
    • 35. 发明申请
    • ENHANCED LTE UL HARQ FEEDBACK INDICATION FOR POWER SAVING AND RANGE IMPROVEMENT
    • 增强LTE UL HARQ反馈指示功率节省和范围改进
    • WO2015191356A1
    • 2015-12-17
    • PCT/US2015/034151
    • 2015-06-04
    • APPLE INC.
    • TABET, TarikKIM, YoungjaeMUJTABA, Syed, Aon
    • H04L1/16H04L1/18
    • H04L1/1812H04L1/1657H04L1/1671H04L1/1896H04L5/0055H04L5/006H04W72/042
    • Mobile devices, base stations, and/or relay stations may implement a method for an improved and reliable automatic repeat request feedback indication. A mobile device (UE) may establish communication within a wireless network, and indicate to the network that the UE is a special type device, e.g. a constrained device. The network (base station) may then not send an indication on a physical indicator channel to the UE when certain conditions are met, and instead, the mobile device may interpret control information received from the network on a physical control channel as a negative acknowledgment indication corresponding to an automatic repeat request from the network. The UE may then perform a retransmission according to the interpreted control information. A new control information format may be used to further define how the network and UE implement the automatic repeat request process, to reduce the total number of bits required in the control information.
    • 移动设备,基站和/或中继站可以实现用于改进和可靠的自动重发请求反馈指示的方法。 移动设备(UE)可以在无线网络内建立通信,并向网络指示UE是特殊类型的设备,例如, 受限制的设备。 然后,当满足某些条件时,网络(基站)可以不向物理指示符信道发送指示,而替代地,移动设备可以解释在物理控制信道上从网络接收的控制信息作为否定确认指示 对应于来自网络的自动重发请求。 然后,UE可以根据解释的控制信息执行重传。 可以使用新的控制信息格式来进一步定义网络和UE如何实现自动重复请求过程,以减少控制信息中所需的总位数。
    • 36. 发明申请
    • ENHANCED PRACH SCHEME FOR POWER SAVINGS, RANGE IMPROVEMENT AND IMPROVED DETECTION
    • 增强节电方案,范围改进和改进检测
    • WO2015191347A1
    • 2015-12-17
    • PCT/US2015/033984
    • 2015-06-03
    • APPLE INC.
    • TABET, TarikKIM, YoungjaeMUJTABA, Syed Aon
    • H04W74/08H04W74/00
    • H04W74/0833H04J13/0062H04L1/189H04W52/34H04W72/0406H04W74/004Y02B70/30Y02D70/00Y02D70/1242Y02D70/1262Y02D70/1264Y02D70/142Y02D70/144Y02D70/146Y02D70/164Y02D70/168Y02D70/26
    • Enhanced random access procedures for link-budget-limited user equipment (UE) devices are disclosed. A user equipment device may transmit a first message containing a Physical Random Access Channel (PRACH). The PRACH contains instances of a Zadoff-Chu sequence, and may be transmitted repeatedly as part of a single random attempt, to facilitate correlation data combining at the base station. The available Zadoff-Chu sequences may be partitioned among a plurality of sets, each set being associated with a respective Doppler shift range (or frequency hop pattern or time repetition pattern). A UE device may signal Doppler shift (or other information) to the base station by selection of one of the sets. The first PRACH transmission and the following PRACH transmission may occur in consecutive subframes. A UE device may select from a special set of Zadoff-Chu sequences (different from a conventional set of sequences), to signal its status as a link-budget-limited device.
    • 公开了针对链路限制用户设备(UE)设备的增强的随机接入过程。 用户设备设备可以发送包含物理随机接入信道(PRACH)的第一消息。 PRACH包含Zadoff-Chu序列的实例,并且可以作为单个随机尝试的一部分被重复发送,以便于在基站处的相关数据组合。 可用的Zadoff-Chu序列可以在多个集合之间分割,每个集合与相应的多普勒频移范围(或频率跳跃模式或时间重复模式)相关联。 UE设备可以通过选择其中一个集合来向基站发送多普勒频移(或其他信息)信号。 第一PRACH传输和随后的PRACH传输可以在连续的子帧中发生。 UE设备可以从Zadoff-Chu序列的特定集合中选择(与传统的序列集不同),以将其作为链路预算受限设备的状态进行发信号。
    • 39. 发明申请
    • REFERENCE SUBFRAMES FOR SYNCHRONIZATION AND CELL MEASUREMENTS
    • 用于同步和细胞测量的参考子帧
    • WO2015116380A1
    • 2015-08-06
    • PCT/US2015/011311
    • 2015-01-14
    • APPLE INC.
    • TABET, TarikBELGHOUL, FaroukMUJTABA, S. AonZHANG, Dawei
    • H04L5/00
    • H04L7/0016H04L5/0048H04L5/0073H04L43/0852
    • This disclosure relates to using a dedicated reference subframes in a cellular communication system. According to one embodiment, a base station may transmit reference signals in a dedicated synchronization and measurement reference subframe. Neighboring base stations may also transmit reference signals in dedicated reference subframes in a temporally coordinated (synchronized) manner. The reference signals transmitted be each base station may be orthogonal with the reference signals transmitted by each neighboring base station. The reference subframes may be transmitted periodically, and data subframes may be transmitted between reference subframes. Some or all of the data subframes may not include cell-specific reference symbols, as their function may be unnecessary given the use of the dedicated reference subframes.
    • 本公开涉及在蜂窝通信系统中使用专用参考子帧。 根据一个实施例,基站可以在专用同步和测量参考子帧中发送参考信号。 相邻基站还可以以时间协调(同步)的方式在专用参考子帧中发送参考信号。 每个基站发送的参考信号可以与每个相邻基站发送的参考信号正交。 可以周期性地发送参考子帧,并且可以在参考子帧之间传送数据子帧。 数据子帧中的一些或全部可能不包括小区特定的参考符号,因为在使用专用参考子帧的情况下,它们的功能可能是不必要的。