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    • 51. 发明申请
    • Methods and Apparatuses for Provision of a Downlink Synchronization Group During Discontinuous Transmission in an Unlicensed Band
    • 用于在非许可频带中不连续传输期间提供下行链路同步组的方法和装置
    • US20140140314A1
    • 2014-05-22
    • US14234028
    • 2011-07-20
    • Na WeiWei BaiPengfei SunHaiming WangChunyan Gao
    • Na WeiWei BaiPengfei SunHaiming WangChunyan Gao
    • H04W16/14H04L5/00
    • H04W16/14H04L5/0041H04W48/12
    • A method, apparatus and computer program product are provided for generating a downlink synchronization group utilized during a discontinuous transmission in an unlicensed band. A method and apparatus may determine a carrier(s) providing a signal(s) enabling timing and frequency tracking a downlink carrier(s) within a downlink synchronization group to devices responsive to discontinuous transmission via a medium(s) of an unlicensed band on a secondary component carrier. The medium(s) previously utilized to provide content to a device(s). The method and apparatus may also provide an indication of the carrier(s) to the device notifying the device that information of the signal is receivable via the carrier on the unlicensed band. The method and apparatus may also send the signal(s) to the device via the carrier enabling the device to obtain timing and frequency information.
    • 提供了一种方法,装置和计算机程序产品,用于产生在非许可频带中的不连续传输期间使用的下行链路同步组。 一种方法和设备可以确定提供信号的载波,其能够定时和频率跟踪下行链路同步组内的下行链路载波,以响应于经由非许可频带的介质的不连续传输, 次级分量载体。 先前用于向设备提供内容的介质。 所述方法和装置还可以向所述设备提供通知所述设备的所述载波的信号,所述信号的信息可以经由所述非许可频带上的载波接收。 该方法和装置还可以经由载波将信号发送到装置,使装置能够获得定时和频率信息。
    • 54. 发明申请
    • Method and Apparatus for D2D Transmission
    • D2D传输的方法和装置
    • US20150057006A1
    • 2015-02-26
    • US14356484
    • 2011-11-08
    • Chunyan GaoWei BaiHaiming Wang
    • Chunyan GaoWei BaiHaiming Wang
    • H04W72/04H04W76/02
    • H04W72/04H04W56/002H04W56/0045H04W76/14
    • There is provided a method comprising: determining, at a first user terminal capable of performing a direct device-to-device, D2D, communication with a second terminal, whether to advance transmission in the D2D communication or not; obtaining information indicating whether the second user terminal is advancing its transmission in the D2D communication or not; and determining a structure for at least one communication interval in a D2D communication pattern at least partly based on the application of transmission timing advances at the first and second user terminals, wherein the D2D communication pattern comprises communication intervals allocated for communication for the first user terminal with respect to the second user terminal.
    • 提供了一种方法,包括:在能够执行直接设备到设备的第一用户终端D2D,与第二终端进行通信,确定是否在D2D通信中进行传输; 获取指示第二用户终端是否在D2D通信中正在前进其传输的信息; 以及至少部分地基于在所述第一和第二用户终端处的传输定时进展的应用来确定D2D通信模式中的至少一个通信间隔的结构,其中所述D2D通信模式包括分配用于第一用户终端的通信的通信间隔 相对于第二用户终端。
    • 55. 发明申请
    • Methods and Apparatuses for Provision of Reference Signal Design for Downlink Tracking in Occupied Shared Band
    • 提供参考信号设计的方法和装置,用于占用共享频段中的下行链路跟踪
    • US20150043520A1
    • 2015-02-12
    • US14357876
    • 2011-11-17
    • Pengfei SunNa WeiWei BaiHaiming Wang
    • Pengfei SunNa WeiWei BaiHaiming Wang
    • H04W72/04H04W56/00H04L5/00
    • H04W72/0453H04L5/001H04L5/0037H04L5/005H04W16/14H04W56/003
    • A method, apparatus and computer program product are provided for generating Reference Signals utilized in downlink tracking of an unlicensed band. A method and apparatus may determine whether carriers of an unlicensed band secondary component carrier are available for usage to provide a signal(s), enabling timing and frequency tracking of downlink carriers responsive to discontinuous transmission via a medium(s) of the unlicensed band utilized to provide content to devices. The method and apparatus may also select the signal based on a band of the carriers and a detection indicating whether communication terminals of a coexisting system are using a carrier of the band. The method and apparatus may provide the signal to a device(s) via a carrier responsive to determining that the carrier is available or via an occupied carrier utilized by the coexisting system enabling the device to continue tracking of timing and frequency information of the downlink carriers.
    • 提供了一种用于产生在未许可频带的下行链路跟踪中使用的参考信号的方法,装置和计算机程序产品。 一种方法和装置可以确定未许可频带次要分量载波的载波是否可用于提供信号,使得响应于经由所使用的非许可频带的介质的不连续传输来响应于下行链路载波的定时和频率跟踪 向设备提供内容。 所述方法和装置还可以基于载波的频带选择信号,以及指示共存系统的通信终端是否正在使用该频带的载波的检测。 所述方法和装置可以响应于确定所述载波可用或经由所述共存系统使用的占用载波,经由载波向所述装置提供所述信号,使得所述装置能够继续跟踪所述下行链路载波的定时和频率信息 。
    • 58. 发明申请
    • METHOD FOR IMPROVING OPERATION DENSITY OF RAIL VEHICLES AND PREVENTING HEAD-ON COLLISION AND REAR-ENDING COLLISION
    • 改善铁路车辆运行密度和防止碰撞和后期碰撞的方法
    • US20130327897A1
    • 2013-12-12
    • US13825262
    • 2011-08-09
    • Wei BaiJing BaiQing BaiBaolong Feng
    • Wei BaiJing BaiQing BaiBaolong Feng
    • B61L23/26
    • B61L23/26B61L21/10B61L23/14B61L23/18B61L23/30
    • The present invention provides a method for improving operation density of rail vehicles and for preventing head-on collision and rear-ending collision. Said method divides a rail line into equidistant electronic zones, the length of a zone being greater than the shortest safe distance between two running vehicles. Said method installs a locomotive passing detection alarm device in each zone, when a locomotive travels at high speed on the rail, the locomotive passing detection alarm device corresponding to the zone occupied by the locomotive itself will simultaneously access adjacent front and back zones, and determine whether the two adjacent zones are simultaneously occupied by locomotives. If the two adjacent. zones are simultaneously occupied by locomotives, the locomotive passing alarm device will send an alarm signal to the locomotives to warn or otherwise take measures. The aforesaid method can avoid locomotive head-on collision and rear-end collision and increase transportation density according to the vehicle speed and distance at the same time, thus improving the transportation efficiency.
    • 本发明提供了一种提高轨道车辆的运行密度和防止碰撞和后端碰撞的方法。 所述方法将铁路线划分成等距离的电子区域,区域的长度大于两辆运行车辆之间的最短安全距离。 所述方法在每个区域安装机车通过检测报警装置,当机车在轨道上高速行驶时,对应于机车本身占据的区域的机车通过检测报警装置将同时访问相邻的前后区域,并确定 两个相邻区域是否同时被机车占据。 如果两个相邻。 机车同时占用机车,机车通过报警装置将向机车发出报警信号,以警告或采取措施。 上述方法可以避免机车前后碰撞和后端碰撞,同时根据车速和距离增加运输密度,从而提高运输效率。