公开(公告)号：US09247515B2

公开(公告)日：2016-01-26

申请号：US11739674

申请日：2007-04-24

申请人： Dino Flore ,  Durga Prasad Malladi ,  Etienne Chaponniere ,  Francesco Grilli

发明人： Dino Flore ,  Durga Prasad Malladi ,  Etienne Chaponniere ,  Francesco Grilli

IPC分类号： H04W36/00 ,  H04W56/00

CPC分类号： H04W56/0045 ,  H04W36/0055

摘要： Techniques for quickly and efficiently performing handover are described. A user equipment (UE) may maintain a link with a serving cell and may communicate with this cell via the established link. The UE may have a candidate set of non-serving cells that are candidates for handover. The UE may maintain uplink synchronization with one or more non-serving cells in the candidate set, without having to maintain links with any of the non-serving cells. The UE may update uplink synchronization with the non-serving cells via an access procedure, e.g., send access probes to the non-serving cells and receive timing adjustments from these cells. One non-serving cell with which the UE has maintained uplink synchronization may be selected as a target cell for handover. The UE may then perform handover from the serving cell to the target cell, without performing uplink synchronization during the handover, which may improve handover latency and success rate.

摘要翻译： 描述用于快速和有效地执行切换的技术。 用户设备（UE）可以维护与服务小区的链路，并且可以经由建立的链路与该小区通信。 UE可以具有作为切换候选的非服务小区的候选集合。 UE可以维护候选集中的一个或多个非服务小区的上行链路同步，而不必维护与任何非服务小区的链路。 UE可以经由接入过程来更新与非服务小区的上行链路同步，例如，向非服务小区发送接入探测，并从这些小区接收定时调整。 UE可以选择保持上行链路同步的一个非服务小区作为切换目标小区。 然后，UE可以执行从服务小区到目标小区的切换，而不需要在切换期间执行上行链路同步，这可以提高切换等待时间和成功率。

公开(公告)号：US08917598B2

公开(公告)日：2014-12-23

申请号：US12338969

申请日：2008-12-18

申请人： Sai Yiu Duncan Ho ,  Arnaud Meylan ,  Etienne F. Chaponniere ,  Francesco Grilli ,  Shailesh Maheshwari ,  Thomas Klingenbrunn

发明人： Sai Yiu Duncan Ho ,  Arnaud Meylan ,  Etienne F. Chaponniere ,  Francesco Grilli ,  Shailesh Maheshwari ,  Thomas Klingenbrunn

IPC分类号： H04L1/00

CPC分类号： H04L1/001 ,  H04L47/14 ,  H04L47/225 ,  H04L47/263 ,  H04L47/39 ,  H04W28/0236 ,  H04W28/10 ,  H04W28/12 ,  H04W28/22

摘要： Systems and methodologies are described that facilitate providing flow control feedback for controlling downlink data transmission rates. Various schemes can be utilized to send the flow control feedback from an access terminal to a base station. For example, a control PDU (e.g., MAC control PDU, PDCP control PDU) can be generated based upon a level of resource utilization of the access terminal, and sent to the base station for controlling the downlink data transmission rate. Following this example, a type of control PDU, a value included within the control PDU, etc. can be selected as a function of the level of resource utilization. By way of another illustration, a CQI report that includes a value selected as a function of the level of resource utilization associated with the access terminal can be generated and transmitted to the base station for controlling the downlink data transmission rate.

摘要翻译： 描述了有助于提供用于控制下行链路数据传输速率的流量控制反馈的系统和方法。 可以利用各种方案将流量控制反馈从接入终端发送到基站。 例如，可以基于接入终端的资源利用级别来生成控制PDU（例如，MAC控制PDU，PDCP控制PDU），并发送给基站以控制下行链路数据传输速率。 在该示例之后，可以选择控制PDU的类型，包括在控制PDU内的值等作为资源利用级别的函数。 作为另一示例，可以生成包括根据与接入终端相关联的资源利用级别选择的值的CQI报告，并将其发送到基站，以控制下行链路数据传输速率。

公开(公告)号：US08853995B2

公开(公告)日：2014-10-07

申请号：US12780649

申请日：2010-05-14

申请人： William H Von Novak ,  Francesco Grilli ,  Jeremy D Dunworth ,  Jonathan T Velasco ,  MaryBeth Selby ,  David Maldonado ,  Stein A Lundby ,  Peng Li ,  Sandip S Minhas ,  Khaled Helmi El-Maleh ,  Yair Karmi ,  Srinivas Raghavan ,  Alireza Hormoz Mohammadian ,  Ernest T Ozaki ,  Rinat Burdo

发明人： William H Von Novak ,  Francesco Grilli ,  Jeremy D Dunworth ,  Jonathan T Velasco ,  MaryBeth Selby ,  David Maldonado ,  Stein A Lundby ,  Peng Li ,  Sandip S Minhas ,  Khaled Helmi El-Maleh ,  Yair Karmi ,  Srinivas Raghavan ,  Alireza Hormoz Mohammadian ,  Ernest T Ozaki ,  Rinat Burdo

IPC分类号： H01M10/44 ,  H02J7/34 ,  H02J7/00 ,  H02J7/02

CPC分类号： H02J50/90 ,  H02J7/0054 ,  H02J7/025 ,  H02J7/34 ,  H02J50/12 ,  H02J50/40

摘要： Exemplary embodiments are directed to wireless power. A method may comprise receiving wireless power with a receiver and charging an accumulator with energy from the received wireless power. The method may further include conveying energy from the accumulator to an energy storage device upon a charging level of the accumulator reaching a threshold level.

摘要翻译： 示例性实施例涉及无线电力。 一种方法可以包括用接收机接收无线电力，并且从接收到的无线电力向蓄能器充电能量。 该方法还可以包括在累加器的充电水平达到阈值水平时将能量从蓄能器传送到能量存储装置。

公开(公告)号：US08687607B2

公开(公告)日：2014-04-01

申请号：US10960872

申请日：2004-10-06

申请人： Lorenzo Casaccia ,  Francesco Grilli

发明人： Lorenzo Casaccia ,  Francesco Grilli

IPC分类号： H04W4/00 ,  H04W84/12

CPC分类号： H04W84/12 ,  H04L1/0001 ,  H04L1/1671 ,  H04L1/1877 ,  H04L2001/0093 ,  H04L2001/0098 ,  H04W4/06

摘要： Feedback from user stations to the base station for a multicast/broadcast transmission is performed by decoding multicast/broadcast data received from a transmitter on a downlink resource, forming a feedback message corresponding to the reception of the multicast/broadcast data, and queuing the feedback message for transmission to the transmitter on an uplink resource. The uplink resource used corresponds to the downlink resource used for the multicast/broadcast transmission. For unicast transmissions the uplink resource is dedicated to an uplink transmission corresponding to a downlink transmission on the downlink resource.

摘要翻译： 通过对下行链路资源上的发射机接收的多播/广播数据进行解码，形成与多播/广播数据的接收相对应的反馈消息，并将反馈排队等来进行多播/广播发送的用户站到基站的反馈 用于在上行链路资源上传输到发射机的消息。 所使用的上行链路资源对应于用于组播/广播传输的下行链路资源。 对于单播传输，上行链路资源专用于对应于下行链路资源上的下行链路传输的上行链路传输。

公开(公告)号：US08594069B2

公开(公告)日：2013-11-26

申请号：US12185939

申请日：2008-08-05

申请人： Sai Yiu Duncan Ho ,  Francesco Grilli ,  Masato Kitazoe

发明人： Sai Yiu Duncan Ho ,  Francesco Grilli ,  Masato Kitazoe

IPC分类号： H04J3/24

CPC分类号： H04W99/00 ,  H04W36/08

摘要： Techniques for performing in-order data delivery during handover in a wireless communication system are described. A user equipment (UE) may perform handover from a source base station to a target base station. The target base station may start a timer after a data path from a gateway to the UE has been switched from the source base station to the target base station. The target base station may receive forwarded packets for the UE from the source base station and may receive new packets for the UE from the gateway. The target base station may send the forwarded packets received prior to expiration of the timer to the UE before any new packets. The target base station may send the forwarded packets to the UE without waiting for the timer to expire and may send the new packets to the UE after the timer expires.

摘要翻译： 描述在无线通信系统中在切换期间执行按顺序数据传送的技术。 用户设备（UE）可以执行从源基站到目标基站的切换。 在从网关到UE的数据路径已经从源基站切换到目标基站之后，目标基站可以启动定时器。 目标基站可以从源基站接收用于UE的转发分组，并且可以从网关接收UE的新分组。 目标基站可以在任何新分组之前将定时器期满之前接收到的转发分组发送给UE。 目标基站可以将转发的分组发送到UE而不等待定时器到期，并且可以在定时器到期之后向UE发送新的分组。

公开(公告)号：US08467792B2

公开(公告)日：2013-06-18

申请号：US11768091

申请日：2007-06-25

申请人： Oronzo Flore ,  Francesco Grilli ,  Kirti Gupta ,  Arungundram C. Mahendran

发明人： Oronzo Flore ,  Francesco Grilli ,  Kirti Gupta ,  Arungundram C. Mahendran

IPC分类号： H04W36/00

CPC分类号： H04W36/0022 ,  H04L65/1016 ,  H04W36/0033 ,  H04W36/08 ,  H04W36/14 ,  H04W80/10 ,  H04W88/06

摘要： Techniques for performing handover in order to maintain call continuity for a user equipment (UE) are described. The UE may communicate with a first cell in a radio access network (RAN) for a packet-switched (PS) call, e.g., for Voice-over-Internet Protocol (VoIP) via High-Speed Packet Access (HSPA) in W-CDMA. The UE may send measurement reports to the RAN and may receive trigger from the RAN. The UE may establish a circuit-switched (CS) call with the first cell while the PS call is pending at the first cell. The PS call and the CS call may be for a voice call, and the UE may switch data path for the voice call from the PS call to the CS call and then terminate the PS call. The UE may then perform handover of the CS call from the first cell to a second cell, which may not support VoIP.

摘要翻译： 描述为了维持用户设备（UE）的呼叫连续性而执行切换的技术。 UE可以与用于分组交换（PS）呼叫的无线电接入网络（RAN）中的第一小区进行通信，例如，通过W-GW中的高速分组接入（HSPA），用于因特网协议语音（VoIP） CDMA。 UE可以向RAN发送测量报告，并且可以从RAN接收触发。 当PS呼叫在第一小区挂起时，UE可以与第一小区建立电路交换（CS）呼叫。 PS呼叫和CS呼叫可以用于语音呼叫，并且UE可以将用于语音呼叫的数据路径从PS呼叫切换到CS呼叫，然后终止PS呼叫。 然后，UE可以执行CS呼叫从第一小区到不能支持VoIP的第二小区的切换。

公开(公告)号：US08451795B2

公开(公告)日：2013-05-28

申请号：US12187255

申请日：2008-08-06

申请人： Sai Yiu Duncan Ho ,  Arnaud Meylan ,  Peter Anthony Barany ,  Francesco Grilli ,  Nathan Edward Tenny ,  Rashid Ahmed Akbar Attar

发明人： Sai Yiu Duncan Ho ,  Arnaud Meylan ,  Peter Anthony Barany ,  Francesco Grilli ,  Nathan Edward Tenny ,  Rashid Ahmed Akbar Attar

IPC分类号： H04W36/02

CPC分类号： H04W36/02 ,  H04L1/1874 ,  H04L1/1896 ,  H04L2001/0092 ,  H04W36/0033

摘要： An apparatus, method, processor(s), and computer program product avoids user data loss by network-controlled, user equipment assisted handover in a wireless data packet communication system. A wireless receiver receives radio link control (RLC) packet data units (PDUs) from user equipment (UE) being served by a source node. A wireless transmitter commands the UE to handover. A network communication interface transmits RLC Uplink (UL) context from the source node to the target node, and transmits RLC Downlink (DL) initialization message and buffered in-transit DL RLC PDUs from the source node to the target node.

摘要翻译： 一种装置，方法，处理器和计算机程序产品通过无线数据分组通信系统中的网络控制的用户设备辅助切换来避免用户数据丢失。 无线接收机从由源节点服务的用户设备（UE）接收无线链路控制（RLC）分组数据单元（PDU）。 无线发射机命令UE进行切换。 网络通信接口将RLC上行链路（UL）上下文从源节点发送到目标节点，并将RLC下行链路（DL）初始化消息和缓冲的传输中的DL RLC PDU从源节点发送到目标节点。

公开(公告)号：US08437306B2

公开(公告)日：2013-05-07

申请号：US12187539

申请日：2008-08-07

申请人： Rashid Ahmed Akbar Attar ,  Arnaud Meylan ,  Sai Yiu Duncan Ho ,  Francesco Grilli ,  Nathan Edward Tenny ,  Peter Anthony Barany

发明人： Rashid Ahmed Akbar Attar ,  Arnaud Meylan ,  Sai Yiu Duncan Ho ,  Francesco Grilli ,  Nathan Edward Tenny ,  Peter Anthony Barany

IPC分类号： H04W4/00

CPC分类号： H04W36/02 ,  H04L47/10 ,  H04L47/14 ,  H04L47/34 ,  H04W36/08 ,  H04W92/20

摘要： Techniques for sending data during handover with Layer 2 tunneling are described. In one design, a user equipment (UE) sends first Layer 2 packets to a source base station prior to handover to a target base station. The UE sends at least one second Layer 2 packet to the target base station, which identifies the second Layer 2 packet(s) as being intended for the source base station and thus forwards the second Layer 2 packet(s) to the source base station via a Layer 2 tunnel. The UE sends third Layer 2 packets to the target base station after the handover. The target base station processes the third Layer 2 packets to obtain IP packets and sends the IP packets to a serving gateway after a trigger condition, which may be defined to achieve in-order delivery of IP packets from the source and target base stations to the serving gateway.

摘要翻译： 描述用于在第二层隧道切换期间发送数据的技术。 在一种设计中，用户设备（UE）在切换到目标基站之前将第一层2分组发送到源基站。 UE向目标基站发送至少一个第二层2分组，目标基站将第二层分组标识为源基站，从而将第二层分组转发到源基站 通过二层隧道。 移交后，UE向目标基站发送第三层报文。 目标基站处理第三层数据包以获得IP数据包，并在触发条件之后将IP数据包发送到服务网关，触发条件可以被定义为实现从源和目标基站到IP地址的IP分组的按顺序传送 服务网关。

公开(公告)号：US20130064225A1

公开(公告)日：2013-03-14

申请号：US13674350

申请日：2012-11-12

申请人： Masato Kitazoe ,  Sai Yiu Duncan Ho ,  Francesco Grilli ,  Nathan Edward Tenny

发明人： Masato Kitazoe ,  Sai Yiu Duncan Ho ,  Francesco Grilli ,  Nathan Edward Tenny

IPC分类号： H04W36/08

CPC分类号： H04L63/068 ,  H04L63/108 ,  H04W12/04 ,  H04W36/08

摘要： Systems and methodologies are provided that facilitate security activation for wireless communications. In an aspect, a method for wireless communication is provided which includes determining a first security key for communicating with a source access point and receiving, from the source access point, a handover command that includes an indication of whether to apply a second security key upon handover. The method also includes handing over communication from the source access point to a target access point, where the second security key is applied for communicating with the target access point upon the handover when the handover command indicates to apply the second security key.

摘要翻译： 提供了有助于无线通信的安全激活的系统和方法。 一方面，提供了一种用于无线通信的方法，其包括确定用于与源接入点进行通信的第一安全密钥，并且从源接入点接收切换命令，该切换命令包括是否应用第二安全密钥的指示 交出。 所述方法还包括将来自源接入点的通信切换到目标接入点，其中当切换命令指示应用第二安全密钥时，第二安全密钥被应用于在切换时与目标接入点进行通信。

公开(公告)号：US08208925B2

公开(公告)日：2012-06-26

申请号：US13100802

申请日：2011-05-04

申请人： Rashid Ahmed Akbar Attar ,  Durga Prasad Malladi ,  Francesco Grilli ,  Kirti Gupta ,  Lorenzo Casaccia ,  Nathan Edward Tenny ,  Oronzo Flore

发明人： Rashid Ahmed Akbar Attar ,  Durga Prasad Malladi ,  Francesco Grilli ,  Kirti Gupta ,  Lorenzo Casaccia ,  Nathan Edward Tenny ,  Oronzo Flore

IPC分类号： H04W36/00

CPC分类号： H04W36/0061 ,  H04W36/38

摘要： An inter-system handover system for a wireless communication system supports hand-down and hand-up of user equipment (UE) to different radio access technologies, including synchronous and asynchronous systems. Latency and handover connection failures are reduced by an access node (nodeB) broadcasting information about neighboring systems (targets) when the UE reception (RX) capability is both inside or outside the reception range of the target. A single RX chain is sufficient, although transitioning between a wireless wide area network (WWAN) to a wireless local area network may (WLAN) may advantageously benefit from simultaneous operation on two Rx chains. Optimized list of neighboring RAT systems (targets) are broadcast from the network, including measurement parameters and reporting instructions. Thereby, UE-driven reporting minimizes latencies. UE reports other-system searches to network only if needed for a handover. In addition, handover requests can be bundled with other-system measurement information, if necessary, for additional efficiencies.

摘要翻译： 用于无线通信系统的系统间切换系统支持用户设备（UE）向包括同步和异步系统的不同无线电接入技术的切换和交换。 当UE接收（RX）能力在目标的接收范围内部或外部时，接入节点（节点B）广播关于相邻系统（目标）的信息的延迟和切换连接故障被减少。 单个RX链是足够的，尽管在无线广域网（WWAN）到无线局域网（WLAN）之间的转换可以有利地受益于在两个Rx链上的同时操作。 相邻RAT系统（目标）的优化列表从网络广播，包括测量参数和报告指令。 因此，UE驱动的报告使延迟最小化。 只有在切换需要时，UE才会将其他系统搜索报告给网络。 此外，如果需要，可以将切换请求与其他系统的测量信息捆绑在一起以用于附加的效率。