公开(公告)号：US09900779B2

公开(公告)日：2018-02-20

申请号：US12643842

申请日：2009-12-21

申请人： Ravi Palanki ,  Avneesh Agrawal ,  Naga Bhushan

发明人： Ravi Palanki ,  Avneesh Agrawal ,  Naga Bhushan

IPC分类号： G06F15/16 ,  H04W16/14 ,  H04W76/02 ,  H04W28/16 ,  H04W48/08 ,  H04W84/04 ,  H04W92/18

CPC分类号： H04W16/14 ,  H04W28/16 ,  H04W48/08 ,  H04W76/10 ,  H04W76/14 ,  H04W76/25 ,  H04W84/045 ,  H04W88/04 ,  H04W92/18

摘要： Techniques for centralized control of peer-to-peer (P2P) communication and centralized control of femto cell operation are described. For centralized control of P2P communication, a designated network entity (e.g., a base station) may control P2P communication of stations (e.g., UEs) located within its coverage area. The designated network entity may receive an indication of a first station (e.g., a UE) desiring to communicate with a second station (e.g., another UE). The designated network entity may determine whether or not to select peer-to-peer communication for the first and second stations, e.g., based on the quality of their communication link. The designated network entity may assign resources to the stations if peer-to-peer communication is selected. For centralized control of femto cell operation, the designated network entity may control the operation of femto cells (e.g., may activate or deactivate femto cells) within its coverage area.

公开(公告)号：US09294219B2

公开(公告)日：2016-03-22

申请号：US12568255

申请日：2009-09-28

申请人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

发明人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

IPC分类号： H04L1/00 ,  H04W28/00 ,  H04B7/26 ,  H04B7/155 ,  H04J3/08 ,  H04L5/00 ,  H04W4/06

CPC分类号： H04L1/0023 ,  H04B7/15557 ,  H04B7/2606 ,  H04J3/08 ,  H04L1/0001 ,  H04L5/0037 ,  H04W4/06 ,  H04W28/00

摘要： Techniques for supporting operation of relay stations in wireless communication systems are described. In an aspect, a base station may transmit data to a relay station in a portion of a subframe instead of the entire subframe. The relay station may transmit control information during part of the subframe. The base station may transmit data to the relay station during the remaining part of the subframe. In another aspect, a target termination for a packet may be selected based on data and/or ACK transmission opportunities available for the packet. One or more transmissions of the packet may be sent with HARQ, and ACK information may be sent for the packet. The packet may be transmitted such that it can be terminated prior to the first subframe (i) not available for sending the packet or (ii) available for sending ACK information.

摘要翻译： 描述了用于支持无线通信系统中的中继站的操作的技术。 在一方面，基站可以在子帧的一部分而不是整个子帧中向中继站发送数据。 中继站可以在子帧的一部分期间发送控制信息。 基站可以在子帧的剩余部分期间向中继站发送数据。 在另一方面，可以基于可用于分组的数据和/或ACK传输机会来选择分组的目标终止。 可以用HARQ发送分组的一个或多个传输，并且可以为分组发送ACK信息。 可以发送分组，使得其可以在第一子帧（i）不可用于发送分组之前终止，或者（ii）可用于发送ACK信息。

公开(公告)号：US09265048B2

公开(公告)日：2016-02-16

申请号：US12483623

申请日：2009-06-12

申请人： Ashwin Sampath ,  Aamod D. Khandekar ,  Alexei Y. Gorokhov ,  Mohammad J. Borran ,  Naga Bhushan ,  Ravi Palanki

发明人： Ashwin Sampath ,  Aamod D. Khandekar ,  Alexei Y. Gorokhov ,  Mohammad J. Borran ,  Naga Bhushan ,  Ravi Palanki

IPC分类号： H04W72/08

CPC分类号： H04W72/082

摘要： Systems and methodologies are described that facilitate indicating a dominant interferer to a target serving base station in a wireless communication environment. A mobile device can detect presence or absence of a dominant interferer. Further, an access probe that includes information related to the presence or absence of the dominant interferer can be generated. For example, the information can be included in a payload of the access probe as an explicit flag, an explicit indication of an interference level, a Channel Quality Indicator (CQI) value (e.g., reserved versus non-reserved, . . . ), etc. Moreover, the access probe can be transmitted to the target serving base station to initiate an access procedure. The target serving base station can select a time-frequency resource to be utilized for a responsive downlink transmission (e.g. access grant signal, subsequent access related message, . . . ) as a function of the information included in the access probe.

摘要翻译： 描述了有助于在无线通信环境中向目标服务基站指示主要干扰源的系统和方法。 移动设备可以检测显着干扰源的存在或不存在。 此外，可以生成包括与显着干扰源的存在或不存在有关的信息的访问探针。 例如，信息可以包括在接入探测器的有效载荷中作为显式标志，干扰级别的显式指示，信道质量指示符（CQI）值（例如，保留与非保留的...）， 此外，可以将接入探针发送到目标服务基站以发起接入过程。 目标服务基站可以根据包括在接入探测器中的信息来选择要用于响应下行链路传输（例如接入许可信号，后续接入相关消息，...）的时间 - 频率资源。

公开(公告)号：US09264976B2

公开(公告)日：2016-02-16

申请号：US12260856

申请日：2008-10-29

申请人： Aamod Khandekar ,  Alexei Gorokhov ,  Naga Bhushan ,  Ravi Palanki ,  Ashwin Sampath ,  Avneesh Agrawal

发明人： Aamod Khandekar ,  Alexei Gorokhov ,  Naga Bhushan ,  Ravi Palanki ,  Ashwin Sampath ,  Avneesh Agrawal

IPC分类号： H04W48/08

CPC分类号： H04W48/08

摘要： Providing for management of wireless communications in a heterogeneous wireless access point (AP) environment is described herein. By way of example, system data of an over-the-air message can be configured to include information identifying a distinct type of transmitting base station. In some aspects, the information can include an access type of the base station and/or a sector ID for distinguishing the base station among large numbers of other base stations. According to other aspects, the information can include wireless channel resources designated for a particular type of base station, or blanked by the transmitting base station, to facilitate interference reduction on such resources. By employing aspects of wireless communication management disclosed herein, efficient and reliable communication can be affected in large heterogeneous AP networks.

摘要翻译： 本文描述了在异构无线接入点（AP）环境中的无线通信的管理。 作为示例，空中消息的系统数据可以被配置为包括标识不同类型的发送基站的信息。 在一些方面，信息可以包括基站的接入类型和/或用于区分大量其他基站中的基站的扇区ID。 根据其他方面，信息可以包括为特定类型的基站指定的无线信道资源，或者由发射基站消隐，以便于对这些资源进行干扰减少。 通过采用这里公开的无线通信管理的方面，可以在大型异构AP网络中影响高效可靠的通信。

公开(公告)号：US09203564B2

公开(公告)日：2015-12-01

申请号：US12580872

申请日：2009-10-16

申请人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

发明人： Ravi Palanki ,  Kapil Bhattad ,  Naga Bhushan ,  Aamod D. Khandekar ,  Tingfang Ji ,  Juan Montojo

IPC分类号： H04L1/18 ,  H04B7/26

CPC分类号： H04L1/1867 ,  H04B7/2606

摘要： Techniques for supporting data transmission via a relay station are described. In an aspect, data transmission may be supported using ACK-and-suspend. A transmitter station sends a first transmission of a packet to a receiver station. The transmitter station receives no ACK information for the first transmission of the packet and suspends transmission of the packet. The transmitter station thereafter receives an indication to resume transmission of the packet and, in response, sends a second transmission of the packet. In another aspect, different ACK timeline may be used when applicable. The receiver station may send ACK information in a designated subframe if available for use or in a different subframe. In yet another aspect, ACK repetition may be used. The receiver may send ACK information in multiple subframes to facilitate reception of the ACK information when the transmitter station is unable to receive one or more of the multiple subframes.

摘要翻译： 描述了通过中继站支持数据传输的技术。 在一方面，可以使用ACK和挂起来支持数据传输。 发送站发送分组的第一次发送到接收站。 发送台不接收用于分组的第一次发送的ACK信息，并且暂停分组的发送。 然后，发送站接收到恢复分组的发送的指示，并且作为响应，发送分组的第二发送。 在另一方面，当适用时可以使用不同的ACK时间线。 接收站可以在指定的子帧中发送ACK信息，如果可以使用或在不同的子帧中。 在另一方面，可以使用ACK重复。 接收机可以在多个子帧中发送ACK信息，以便当发射机站不能接收多个子帧中的一个或多个时，接收ACK信息。

公开(公告)号：US09185711B2

公开(公告)日：2015-11-10

申请号：US13229426

申请日：2011-09-09

申请人： Dexu Lin ,  Ravi Palanki ,  Dhananjay Ashok Gore

发明人： Dexu Lin ,  Ravi Palanki ,  Dhananjay Ashok Gore

IPC分类号： H04B7/14 ,  H04W72/08 ,  H04B7/155 ,  H04W84/04

CPC分类号： H04W72/082 ,  H04B7/15542 ,  H04B7/15571 ,  H04W84/047

摘要： Methods and apparatuses are provided that include selecting resources for assigning to a device to mitigate relay self-interference when also communicating with a base station. The resources can be selected based on one or more factors, such as based on resources that are negotiated with the base station, or based on resources indicated as not desired for allocation from the base station, etc. In other examples, reference signals and control data can be communicated such as to mitigate relay self-interference as well.

摘要翻译： 提供了包括选择用于分配给设备的资源以在还与基站通信时减轻中继自身干扰的方法和装置。 可以基于一个或多个因素来选择资源，例如基于与基站协商的资源，或者基于指示为从基站分配不期望的资源。在其他示例中，参考信号和控制 可以传送数据，以减轻继电器自身干扰。

公开(公告)号：US09091746B2

公开(公告)日：2015-07-28

申请号：US13172818

申请日：2011-06-29

申请人： Sven Fischer ,  Muhammad Awais Amin ,  Ravi Palanki

发明人： Sven Fischer ,  Muhammad Awais Amin ,  Ravi Palanki

IPC分类号： H04W24/10 ,  G01S5/10 ,  G01S5/02 ,  H04W64/00

CPC分类号： G01S5/10 ,  G01S5/0242 ,  G01S5/0289 ,  H04W64/00

摘要： Positions of non-reference wireless transceivers to be added to a wireless communication network are determined as follows. Each non-reference wireless transceiver performs measurements of times of arrival (TOA) of signals transmitted by other non-reference wireless transceivers, as well as reference wireless transceivers. Thereafter, time difference of arrival (TDOA) values are computed from at least two types of pairs of measurements as follows: (a) unknown-unknown TDOA values are obtained as differences between TOA measurements of signals transmitted by non-reference wireless transceivers and (b) unknown-known TDOA values are obtained as differences between a TOA measurement of a signal transmitted by a non-reference wireless transceiver and another TOA measurement of another signal transmitted by a reference wireless transceiver. Both types of TDOA values are used to solve simultaneous equations to identify the positions of the non-reference wireless transceivers and optionally times of transmission of the signals by the non-reference wireless transceivers.

摘要翻译： 要添加到无线通信网络的非参考无线收发器的位置确定如下。 每个非参考无线收发器执行由其他非参考无线收发器以及参考无线收发器发送的信号的到达时间（TOA）的测量。 此后，从至少两种类型的测量对计算出到达时间差（TDOA）值如下：（a）未知未知的TDOA值作为由非参考无线收发器发送的信号的TOA测量值之差和（ b）未知的TDOA值作为由非参考无线收发器发送的信号的TOA测量与由参考无线收发器发送的另一信号的另一TOA测量之间的差异获得。 两种类型的TDOA值用于求解联立方程以识别非参考无线收发器的位置，以及非参考无线收发器可选择地传输信号的时间。

公开(公告)号：US09048993B2

公开(公告)日：2015-06-02

申请号：US12642535

申请日：2009-12-18

申请人： Aamod D. Khandekar ,  Ravi Palanki ,  Avneesh Agrawal

发明人： Aamod D. Khandekar ,  Ravi Palanki ,  Avneesh Agrawal

IPC分类号： H04B1/00 ,  H04B15/00 ,  H04L5/00

CPC分类号： H04L5/0062 ,  H04L5/0007

摘要： Systems and methodologies are described that facilitate blanking on portions of bandwidth, such as a subset of interlaces, utilized by communicating devices that are dominantly interfered by a disparate device in wireless communications networks. The portions of bandwidth can relate to critical data, such as control data, and one or more of the communicating devices can request that the dominantly interfering device blank on one or more of the portions. The communicating devices can subsequently transmit data over the blanked portions free of the dominant interference. Additionally, the dominantly interfering device can request reciprocal blanking from the one or more communicating devices.

摘要翻译： 描述了系统和方法，其有助于在由无线通信网络中的不同设备主要干扰的通信设备所使用的带宽部分（例如交织子集）上消隐。 带宽的部分可以与诸如控制数据的关键数据相关联，并且一个或多个通信设备可以请求在一个或多个部分上的主要干扰设备空白。 通信设备可以随后在没有主导干扰的消隐部分上发送数据。 此外，主要干扰装置可以从一个或多个通信装置请求相互消隐。

公开(公告)号：US09042840B2

公开(公告)日：2015-05-26

申请号：US12917347

申请日：2010-11-01

申请人： Aamod Dinkar Khandekar ,  Wanshi Chen ,  Ravi Palanki ,  Jaber Mohammad Borran

发明人： Aamod Dinkar Khandekar ,  Wanshi Chen ,  Ravi Palanki ,  Jaber Mohammad Borran

IPC分类号： H04B1/00 ,  H04B7/00 ,  H04L5/00

CPC分类号： H04L5/0053 ,  H04L5/001 ,  H04L5/0094 ,  H04W52/146

摘要： Techniques for cross-subframe and cross-carrier scheduling of uplink and downlink transmissions in a multi-carrier wireless communication system are disclosed. A base station can include cross-subframe, carrier indication (xSF/CIF) information in a PDCCH message to signal to a user equipment (UE) which subframes and/or component carriers pertain to control information carried therein. The UE may utilize the xSF/CIF information to determine to which subframes and/or component carriers the control information is to be applied.

摘要翻译： 公开了在多载波无线通信系统中用于跨子帧和跨载波调度上行链路和下行链路传输的技术。 基站可以包括在PDCCH消息中的跨子帧，载波指示（xSF / CIF）信息，以向用户设备（UE）发送信号，其中子帧和/或分量载波与其中携带的控制信息有关。 UE可以利用xSF / CIF信息来确定要应用哪个子帧和/或分量载波的控制信息。

公开(公告)号：US09031053B2

公开(公告)日：2015-05-12

申请号：US12257265

申请日：2008-10-23

申请人： Ravi Palanki ,  Avneesh Agrawal

发明人： Ravi Palanki ,  Avneesh Agrawal

IPC分类号： H04B7/155 ,  H04B7/26 ,  H04W56/00

CPC分类号： H04B7/15507 ,  H04B7/15585 ,  H04B7/2606 ,  H04W56/001

摘要： Techniques for transmitting data in a relay communication network are described. In an aspect, stations in the relay network may be grouped into multiple depths, and stations at each depth may send the same transmission in each time interval. Packets may be transmitted in a pipelined manner in the relay network. Transmissions of a packet may be sent by stations at progressively higher depth in successive time intervals. A station may perform auto-configuration, attempt to decode transmissions from stations at different depths, and determine its depth based on decoding results. In another aspect, stations at each depth may transmit the same synchronization signal, and stations at different depths may transmit different synchronization signals. In one design, the synchronization signals for different depths may be different pilots, which may be generated with different scrambling codes or different orthogonal codes or may be multiplexed in frequency and/or time.

摘要翻译： 描述了在中继通信网络中传输数据的技术。 在一个方面，中继网络中的站可以被分组成多个深度，并且每个深度的站可以在每个时间间隔中发送相同的传输。 分组可以以流水线方式在中继网络中传输。 分组的传输可以在连续的时间间隔内以逐渐更高的深度发送。 站可以执行自动配置，尝试解码来自不同深度的站的传输，并且基于解码结果来确定其深度。 在另一方面，每个深度处的站可以发送相同的同步信号，并且不同深度的站可以发送不同的同步信号。 在一种设计中，用于不同深度的同步信号可以是不同的导频，其可以用不同的扰码或不同的正交码生成，或者可以在频率和/或时间中进行复用。