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11. 发明授权

US09521537B2 Methods and arrangements for device discovery 有权
标题翻译：设备发现的方法和安排
公开(公告)号：US09521537B2
公开(公告)日：2016-12-13
申请号：US14403603
申请日：2014-10-07
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefano Sorrentino
IPC分类号： H04W8/00 , H04W12/08 , H04W12/10 , H04W76/02 , H04L1/16 , H04W16/14 , H04W88/02
CPC分类号： H04W8/005 , H04L1/1678 , H04L63/0407 , H04W12/02 , H04W12/08 , H04W12/10 , H04W16/14 , H04W76/14 , H04W88/02
摘要： The present disclosure relates to methods and devices for transmission of discovery signal signals and detection of discovery signal signals for device-to-device communication. According to some aspects, the disclosure relates to a method executed in a second wireless terminal for discovering a first wireless terminal, wherein the second wireless terminal 20 is configured with a set of one or more identities of wireless terminals with which device-to-device, D2D, communication is possible. The method comprises the following steps detecting a control signal transmitted from the first wireless terminal, wherein the control signal carries an identity and decoding S13 the received signal. The wireless terminal then, for each identity in the set, hashes S14 a reference control signal comprising an identity of the wireless terminal, taking a time stamp used for the control signal transmission as one input parameter of the hashing function and determines S15 if an output signal of the hashing matches the decoded signal, until all the identities in the set have been selected or until a match is found.
摘要翻译：本公开涉及用于传输发现信号信号的方法和设备以及用于设备到设备通信的发现信号信号的检测。根据一些方面，本公开涉及在用于发现第一无线终端的第二无线终端中执行的方法，其中所述第二无线终端20配置有一组一个或多个无线终端的身份，其中设备到设备，D2D，通信是可能的。该方法包括以下步骤：检测从第一无线终端发送的控制信号，其中控制信号携带身份并对接收的信号进行解码S13。无线终端然后，对于集合中的每个身份，将S14包括无线终端的身份的参考控制信号，以用于控制信号传输的时间戳作为散列函数的一个输入参数，并且确定S15是否输出哈希的信号与解码的信号匹配，直到集合中的所有标识被选择或直到找到匹配为止。

12. 发明申请

US20160262204A1 Method and Apparatus for Timing Misalignment Signalling 审中-公开
标题翻译：用于定时偏移信号的方法和装置
公开(公告)号：US20160262204A1
公开(公告)日：2016-09-08
申请号：US14400092
申请日：2014-08-08
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefano Sorrentino , Gino Luca Masini , Stefan Wänstedt
IPC分类号： H04W84/18 , H04W56/00 , H04W76/02
CPC分类号： H04W84/18 , H04W56/0015 , H04W76/14
摘要： A wireless communication system (10) comprises multiple groups (12) of wireless communication devices (14). The devices (14) within any given group (12) are synchronized to the same timing reference and devices (14) in different groups (12) are not synchronized to the same timing reference. A device (14) transmits direct control signaling to other devices (14) according to the timing reference of its group (12). A method in the system (10) is implemented by a radio node (16) associated with one of the groups (12). The method includes generating (110) a message that indicates, for each of one or more of the groups (12), a range of possible values for misalignment between the timing reference of that group (12) and a common timing reference. This range accounts for uncertainty in that misalignment. The method also entails transmitting (120) the message from the radio node (16).
摘要翻译：无线通信系统（10）包括无线通信设备（14）的多个组（12）。任何给定组（12）内的设备（14）被同步到相同的定时参考，并且不同组（12）中的设备（14）不同步到相同的定时参考。根据其组（12）的定时参考，设备（14）向其他设备（14）发送直接控制信令。系统（10）中的方法由与组（12）之一相关联的无线电节点（16）实现。该方法包括生成（110）对于组（12）中的一个或多个组中的每一个指示针对该组（12）的定时参考与公共定时参考之间的未对准的可能值的范围（110）。这个范围解释了这种不对中的不确定性。该方法还需要从无线节点（16）发送（120）消息。

13. 发明申请

US20160088596A1 QUASI CO-LOCATED ANTENNA PORTS FOR CHANNEL ESTIMATION 有权
标题翻译： QUASI定位天线端口信道估计
公开(公告)号：US20160088596A1
公开(公告)日：2016-03-24
申请号：US14954161
申请日：2015-11-30
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Mattias Frenne , Erik Eriksson , Stefano Sorrentino
IPC分类号： H04W72/04
CPC分类号： H04W72/042 , H04L5/0023 , H04L5/0035 , H04L5/0048 , H04L5/0091 , H04L25/0204 , H04W84/042
摘要： Systems and methods are disclosed for estimating one or more channel properties of a downlink from a cellular communications network based on quasi co-located antenna ports with respect to the one or more channel properties. In one embodiment, a wireless device receives a downlink subframe including a downlink control channel from the cellular communications network. The wireless device estimates one or more large-scale channel properties for an antenna port of interest in the downlink control channel based on a subset of reference signals that correspond to antenna ports in the cellular communications network that are quasi co-located with the antenna port of interest with respect to the one or more large-scale channel properties. As a result of using the quasi co-located antenna ports, estimation of the one or more large-scale channel properties is substantially improved.
摘要翻译：公开了用于基于准同位置天线端口相对于一个或多个信道属性从蜂窝通信网络估计下行链路的一个或多个信道属性的系统和方法。在一个实施例中，无线设备从蜂窝通信网络接收包括下行链路控制信道的下行链路子帧。无线设备基于与蜂窝通信网络中与天线端口准共处的天线端口的参考信号的子集估计下行链路控制信道中的天线端口的一个或多个大规模信道属性对于一个或多个大规模信道属性感兴趣。作为使用准同位天线端口的结果，实质上提高了一个或多个大规模信道特性的估计。

14. 发明授权

US09265036B2 Selection of uplink control transmission format parameters based on content of the uplink control transmission 有权
标题翻译：基于上行链路控制传输的内容，选择上行控制传输格式参数
公开(公告)号：US09265036B2
公开(公告)日：2016-02-16
申请号：US13891286
申请日：2013-05-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefano Sorrentino , Mattias Frenne , Daniel Larsson
IPC分类号： H04L5/16 , H04W72/04 , H04L5/00 , H04W52/14 , H04W52/32 , H04W28/18 , H04W52/02 , H04L1/00 , H04L1/18 , H04J11/00 , H04W52/24 , H04L27/26
CPC分类号： H04W72/0413 , H04J11/0053 , H04L1/0025 , H04L1/0088 , H04L1/1896 , H04L5/001 , H04L5/0016 , H04L5/0053 , H04L27/2636 , H04W28/18 , H04W52/0216 , H04W52/146 , H04W52/244 , H04W52/325 , Y02D70/1262 , Y02D70/25
摘要： Systems and methods for transmitting uplink control signals in a cellular communications network are disclosed. In one embodiment, a wireless device configured to operate in a cellular communications network includes a radio subsystem and a processing subsystem. The processing subsystem selects a value for at least one parameter for an uplink control channel format based on content to be transmitted in an uplink control channel transmission according to the uplink control channel format. The processing subsystem then transmits, via the radio subsystem, the content in an uplink control channel transmission according to the uplink control channel format and the value for the at least one parameter for the uplink control channel format selected based on the content.
摘要翻译：公开了用于在蜂窝通信网络中发送上行链路控制信号的系统和方法。在一个实施例中，被配置为在蜂窝通信网络中操作的无线设备包括无线电子系统和处理子系统。处理子系统根据上行链路控制信道格式，在上行链路控制信道传输中基于要发送的内容，选择上行链路控制信道格式的至少一个参数的值。处理子系统然后经由无线电子系统根据上行链路控制信道格式和基于内容选择的上行链路控制信道格式的至少一个参数的值来发送上行链路控制信道传输中的内容。

15. 发明授权

US09203576B2 Quasi co-located antenna ports for channel estimation 有权
标题翻译：准同向天线端口用于信道估计
公开(公告)号：US09203576B2
公开(公告)日：2015-12-01
申请号：US13917717
申请日：2013-06-14
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Mattias Frenne , Erik Eriksson , Stefano Sorrentino
IPC分类号： H04W48/16 , H04L5/00 , H04L25/02
CPC分类号： H04W72/042 , H04L5/0023 , H04L5/0035 , H04L5/0048 , H04L5/0091 , H04L25/0204 , H04W84/042
摘要： Systems and methods are disclosed for estimating one or more channel properties of a downlink from a cellular communications network based on quasi co-located antenna ports with respect to the one or more channel properties. In one embodiment, a wireless device receives a downlink subframe including a downlink control channel from the cellular communications network. The wireless device estimates one or more large-scale channel properties for an antenna port of interest in the downlink control channel based on a subset of reference signals that correspond to antenna ports in the cellular communications network that are quasi co-located with the antenna port of interest with respect to the one or more large-scale channel properties. As a result of using the quasi co-located antenna ports, estimation of the one or more large-scale channel properties is substantially improved.
摘要翻译：公开了用于基于准同位置天线端口相对于一个或多个信道属性从蜂窝通信网络估计下行链路的一个或多个信道属性的系统和方法。在一个实施例中，无线设备从蜂窝通信网络接收包括下行链路控制信道的下行链路子帧。无线设备基于与蜂窝通信网络中与天线端口准共处的天线端口的参考信号的子集估计下行链路控制信道中的天线端口的一个或多个大规模信道属性对于一个或多个大规模信道属性感兴趣。作为使用准同位天线端口的结果，实质上提高了一个或多个大规模信道特性的估计。

16. 发明申请

US20150312908A1 METHODS, SYSTEMS AND DEVICES FOR DECOUPLED INTERFERENCE RANDOMIZATION FOR UPLINK REFERENCE SIGNALS 审中-公开
标题翻译：用于上行参考信号的解扰干扰随机化的方法，系统和设备
公开(公告)号：US20150312908A1
公开(公告)日：2015-10-29
申请号：US14790108
申请日：2015-07-02
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefano Sorrentino
IPC分类号： H04W72/04
CPC分类号： H04W72/0446 , H04J11/0026 , H04J11/005 , H04J13/0062 , H04J2211/005 , H04L5/0012 , H04L5/0016 , H04L5/0035 , H04L5/0048 , H04L5/0073 , H04W72/0413 , H04W72/082
摘要： Interference between reference signals from user equipments in a wireless network, the method may be reduced by using a received time shift value from a node in the wireless network. An interference randomization technique may be applied to a reference signal and a sequence may be generated based on the reference signal to which the interference randomization technique has been applied. A processed reference signal may be derived by applying a time shift based on the time shift value to the sequence. The processed reference signal may be transmitted to the node. Related systems, methods, nodes and wireless devices are also described.
摘要翻译：通过使用来自无线网络中的节点的接收到的时移值，可以减少无线网络中来自用户设备的参考信号之间的干扰。干扰随机化技术可以应用于参考信号，并且可以基于已经应用了干扰随机化技术的参考信号来生成序列。可以通过对该序列应用基于时移值的时移来导出经处理的参考信号。经处理的参考信号可以被发送到节点。还描述了相关系统，方法，节点和无线设备。

17. 发明申请

US20150289264A1 Transmission and Reception of Reference Signals in Wireless Networks 有权
标题翻译：无线网络中参考信号的传输和接收
公开(公告)号：US20150289264A1
公开(公告)日：2015-10-08
申请号：US14441950
申请日：2012-11-13
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： Sara Sandberg , Robert Baldemair , Stefano Sorrentino
IPC分类号： H04W72/04 , H04W52/24 , H04L1/00
CPC分类号： H04W72/0446 , H04L1/0026 , H04L5/0053 , H04W52/242 , H04W52/32 , H04W84/042
摘要： The enclosed embodiments relate to transmission and reception of reference signals on sub-carriers of a time frequency grid in a wireless network. Resource configuration for transmission of reference signals is obtained by a wireless device. A reference signal received power, RSRP, reference signal, RSRP-RS, is transmitted by the wireless device according to the resource configuration. The RSRP-RS is mapped to every J:th sub-carrier, where J>2. The RSRP-RS is received by a network node.
摘要翻译：所附实施例涉及在无线网络中的时间频率网格的子载波上的参考信号的发送和接收。用于传输参考信号的资源配置由无线设备获得。参考信号接收功率，RSRP，参考信号RSRP-RS由无线设备根据资源配置发送。 RSRP-RS被映射到每个第j个子载波，其中J> 2。 RSRP-RS由网络节点接收。

18. 发明申请

US20150215881A1 USER EQUIPMENT, A NETWORK NODE AND METHODS THEREIN FOR PERFORMING AND ENABLING DEVICE-TO-DEVICE (D2D) COMMUNICATION IN A RADIO COMMUNICATIONS NETWORK 有权
标题翻译：用户设备，用于在无线电通信网络中执行和启用设备到设备（D2D）通信的网络节点和方法
公开(公告)号：US20150215881A1
公开(公告)日：2015-07-30
申请号：US14358849
申请日：2014-04-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefan Parkvall , Bengt Lindoff , Qianxi Lu , Stefano Sorrentino
IPC分类号： H04W56/00 , H04W76/02
CPC分类号： H04W56/001 , H04W56/002 , H04W56/0045 , H04W76/14
摘要： A method performed by a first user equipment for performing Device-to-Device, D2D, communications with a second user equipment is provided. The first user equipment determines that a valid timing reference is not present in the first user equipment. Also, the first user equipment determines whether a preconfigured timing advance can be used in the D2D communication. Then, when determined that the preconfigured timing advance can be used, the first user equipment transmits a D2D signal to the second user equipment with a timing using the preconfigured timing advance to perform D2D communication.A user equipment, a network node and method therein for enabling D2D communications between user equipments in a radio communications network are also provided.
摘要翻译：提供了由第一用户设备执行设备到设备，D2D，与第二用户设备的通信的方法。第一用户设备确定在第一用户设备中不存在有效的定时参考。此外，第一用户设备确定在D2D通信中是否可以使用预配置的定时提前。然后，当确定可以使用预配置的定时提前时，第一用户设备使用预配置的定时提前对定时使用D2D信号向第二用户设备发送D2D通信。还提供了一种用于在无线电通信网络中的用户设备之间进行D2D通信的用户设备，网络节点和方法。

19. 发明申请

US20150133102A1 TRIGGERING OF DIRECT DISCOVERY SIGNALS 审中-公开
标题翻译：直接发现信号的触发
公开(公告)号：US20150133102A1
公开(公告)日：2015-05-14
申请号：US14536835
申请日：2014-11-10
申请人： Telefonaktiebolaget L M Ericsson (publ)
发明人： Stefano Sorrentino
IPC分类号： H04W8/00
CPC分类号： H04W8/005 , H04W72/02 , H04W92/18
摘要： Embodiments of systems and methods enabling Device-to-Device (D2D) discovery in a cellular network assisted D2D communication system are disclosed. In some embodiments, a method of operation of a wireless device comprises receiving at least one trigger for D2D discovery from a controlling node of the wireless device in a cellular communications network. The method of operation of the wireless device further comprises transmitting multiple transmission instances of a discovery signal of the wireless device for a D2D discovery event in response to the at least one trigger using resources selected from a group consisting of: different time resources, different frequency resources, different code resources, different time and frequency resources, different time and code resources, different frequency and code resources, and different time, frequency, and code resources. In this manner, detection of the discovery signal by other proximate wireless devices is substantially improved.
摘要翻译：公开了在蜂窝网络辅助D2D通信系统中实现设备到设备（D2D）发现的系统和方法的实施例。在一些实施例中，无线设备的操作方法包括：从蜂窝通信网络中的无线设备的控制节点接收用于D2D发现的至少一个触发。所述无线设备的操作方法还包括：响应于所述至少一个触发，使用从以下组成的组中选择的资源来发送用于D2D发现事件的所述无线设备的发现信号的多个传输实例：不同的时间资源，不同的频率资源，不同的代码资源，不同的时间和频率资源，不同的时间和代码资源，不同的频率和代码资源，以及不同的时间，频率和代码资源。以这种方式，通过其他近邻无线设备的发现信号的检测被显着改善。

20. 发明申请

US20140307699A1 USER EQUIPMENT, A RADIO BASE STATION, RBS, AND METHODS THEREIN FOR TRANSMITTING A SUBFRAME COMPRISING AT LEAST TWO REFERENCE SIGNALS, RSS, TO THE RBS 有权
标题翻译：用户设备，无线电台站，RBS和用于发送包含至少两个参考信号的子帧的方法，RSS，RBS
公开(公告)号：US20140307699A1
公开(公告)日：2014-10-16
申请号：US14357925
申请日：2012-11-14
申请人： TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)
发明人： Stefano Sorrentino
IPC分类号： H04L5/00 , H04L25/02
CPC分类号： H04L5/0051 , H04L5/0007 , H04L25/0226 , H04L27/2611 , H04L27/2613 , H04W72/04
摘要： A method in a UE comprises: receiving, from an RBS, information regarding a base sequence and a first phase rotation speed of the base sequence; determining an order, L, of the IFDMA, indicating a spacing between subcarriers over which the base sequence is to be mapped in the frequency domain; generating an RS-specific second phase rotation speed of the base sequence based on a CS pseudo random offset; increasing at least the second phase rotation speed based on L; combining the first and the increased second phase rotation speeds to obtain a third phase rotation speed, and performing phase rotation of the base sequence based on the third phase rotation speed; and mapping the phase rotated base sequence to every L:th subcarrier of the RSs, and transmitting the RSs.
摘要翻译： UE中的方法包括：从RBS接收关于基本序列的基本序列和第一相位旋转速度的信息; 确定IFDMA的顺序L，指示要在频域中映射基本序列的子载波之间的间隔; 基于CS伪随机偏移产生所述基本序列的RS特定的第二相位旋转速度; 至少增加基于L的第二相转速; 组合第一和第二相位旋转速度以获得第三相位旋转速度，并且基于第三相位旋转速度执行基本序列的相位旋转; 并将相位旋转的基本序列映射到RS的每个第L个子载波，并发送RS。

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