公开(公告)号：US09173218B2

公开(公告)日：2015-10-27

申请号：US13286515

申请日：2011-11-01

申请人： Santosh Paul Abraham ,  Avinash Jain ,  Stephen J. Shellhammer ,  Hemanth Sampath

发明人： Santosh Paul Abraham ,  Avinash Jain ,  Stephen J. Shellhammer ,  Hemanth Sampath

IPC分类号： H04W16/14 ,  H04W72/04 ,  H04L5/00 ,  H04W88/06

CPC分类号： H04W72/0453 ,  H04L5/0096 ,  H04W16/14 ,  H04W88/06

摘要： Certain aspects of the present disclosure provide techniques and apparatus for operating in a television white space (TVWS) network. One example method generally includes receiving, at an apparatus, a message with a field indicating a current version of an unused frequency spectrum map (e.g., a white space map (WSM)), the unused frequency spectrum map indicating channels usable for wireless communications; determining whether the current version of the unused frequency spectrum map is different than a previous version of the unused frequency spectrum map; and using a channel for wireless communications based on the determination. Another example method generally includes accessing a database of available channels for a current location of an apparatus via a neighboring portable or fixed enabling apparatus and enabling one or more portable dependent apparatuses for the wireless communications via one or more of the available channels.

摘要翻译： 本公开的某些方面提供了用于在电视空白（TVWS）网络中操作的技术和装置。 一个示例性方法通常包括在装置处接收具有指示未使用频谱图（例如，空白映射（WSM））的当前版本的字段的消息，该未使用频谱图指示可用于无线通信的信道; 确定当前版本的未使用频谱图是否与未使用的频谱图的先前版本不同; 以及基于该确定使用用于无线通信的信道。 另一示例性方法通常包括经由相邻便携式或固定的启用设备访问设备的当前位置的可用信道的数据库，并且使得一个或多个便携式依赖设备经由一个或多个可用信道实现无线通信。

公开(公告)号：US08749714B2

公开(公告)日：2014-06-10

申请号：US12652629

申请日：2010-01-05

申请人： Ahmed K. Sadek ,  Wenyi Zhang ,  Babak Aryan ,  Vijayalakshimi Raveendran ,  Avinash Jain ,  Stephen J. Shellhammer ,  Charles A. Bergan

发明人： Ahmed K. Sadek ,  Wenyi Zhang ,  Babak Aryan ,  Vijayalakshimi Raveendran ,  Avinash Jain ,  Stephen J. Shellhammer ,  Charles A. Bergan

IPC分类号： H04N5/38 ,  H04N5/44

CPC分类号： H04H20/33 ,  H04H20/30 ,  H04H60/07 ,  H04L5/005 ,  H04L5/0062 ,  H04N5/4401 ,  H04W16/14

摘要： White space signals are differentiated from licensed ATSC signals through modification of a waveform of the white space signal. White space signals may be modified by shifting the ATSC-compatible waveform so that the pilot frequency of the white space signal is at a location outside of the frequency range associated with the pilot frequency in a licensed ATSC signal or embedding a watermark signal into said ATSC-like white space signals. White space device transmitters generate the signals with these modifications and white space receivers are equipped to detect whether a pilot exists in the standard licensed pilot frequencies. Based on these differences, white space devices can better operate without interfering with licensed ATSC transmission. Additionally, the modification techniques may be used to embed data in the white space signal that may be used to communicate connection data or networking data to other white space devices.

摘要翻译： 通过修改白空间信号的波形，白色空间信号与许可的ATSC信号区分开来。 可以通过移动ATSC兼容波形来修改白色空间信号，使得白色空间信号的导频位于与授权的ATSC信号中与导频频率相关联的频率范围之外的位置，或者将水印信号嵌入到所述ATSC 像空白信号。 白色空间设备发射机通过这些修改产生信号，并配备白空间接收机，以检测在标准许可的导频中是否存在导频。 基于这些差异，白色空间设备可以更好地操作而不干扰授权的ATSC传输。 此外，修改技术可以用于将数据嵌入到可用于将连接数据或联网数据传送到其他空白设备的空白信号中。

公开(公告)号：US08498219B2

公开(公告)日：2013-07-30

申请号：US12893940

申请日：2010-09-29

申请人： Rajesh Tarakkad Venkateswaran ,  Avinash Jain ,  Latha Vasudevarao ,  Amit Goyal

发明人： Rajesh Tarakkad Venkateswaran ,  Avinash Jain ,  Latha Vasudevarao ,  Amit Goyal

IPC分类号： G01R31/08

CPC分类号： H04L45/50 ,  H04L43/16 ,  H04L43/50 ,  H04L45/00 ,  H04L47/10 ,  H04L49/00

摘要： In one embodiment, a method includes receiving label data that indicates all interface labels that belong to each path ID of multiple path IDs associated with corresponding multiple paths between provider edge nodes in a Multi-Protocol Label Switching (MPLS) network. Each interface label is associated with a network interface on a node in the MPLS network. Based on the label data, an untested list that holds data that indicates all unique interface labels is generated. A tested interface selected from the untested list is scheduled for testing. After scheduling, the interface label of the tested interface is removed from the untested list. It is determined whether the untested list still includes data for at least one interface label. If not, then a test of the MPLS network is completed without testing every path end to end, thus conserving network resources.

摘要翻译： 在一个实施例中，一种方法包括接收标签数据，该标签数据指示属于多协议标签交换（MPLS）网络中的提供商边缘节点之间的相应多个路径的多个路径ID的每个路径ID的所有接口标签。 每个接口标签与MPLS网络中节点上的网络接口相关联。 基于标签数据，生成一个未经测试的列表，其中保存指示所有唯一接口标签的数据。 从未经测试的列表中选择的测试界面已安排进行测试。 调度完成后，测试界面的接口标签从未经测试的列表中删除。 确定未经测试的列表是否仍然包括用于至少一个接口标签的数据。 如果没有，那么完成MPLS网络的测试，而不是测试每个路径的端到端，从而节省了网络资源。

公开(公告)号：US20120289192A1

公开(公告)日：2012-11-15

申请号：US13288696

申请日：2011-11-03

申请人： Santosh Paul Abraham ,  Avinash Jain ,  Hemanth Sampath

发明人： Santosh Paul Abraham ,  Avinash Jain ,  Hemanth Sampath

IPC分类号： H04W12/10

CPC分类号： H04L1/0083 ,  H04L1/0061 ,  H04L1/0072

摘要： Certain aspects of the present disclosure relate to protecting integrity of transmitted messages in a wireless communications.

摘要翻译： 本公开的某些方面涉及保护无线通信中传输的消息的完整性。

公开(公告)号：US20120026987A1

公开(公告)日：2012-02-02

申请号：US13018618

申请日：2011-02-01

申请人： Avinash Jain ,  Mohammad Hossein Taghavi Nasrabadi ,  Hemanth Sampath

发明人： Avinash Jain ,  Mohammad Hossein Taghavi Nasrabadi ,  Hemanth Sampath

IPC分类号： H04W72/04 ,  H04J3/00

CPC分类号： H04W74/0866 ,  H04W16/28 ,  H04W74/006

摘要： Various methods and apparatuses for transmitting an allocation of time in a wireless communication system are disclosed. In one aspect, an allocation of time for receiving communications via a receive beam direction is transmitted. The allocation of time may be based on information regarding an apparatus known to be located in the receive beam direction. A unique time for receiving communications from each known apparatus may be allocated, or a duration of time for receiving communications from the known apparatuses may vary based on a number of apparatuses known to located in a receive beam direction.

摘要翻译： 公开了用于在无线通信系统中发送时间分配的各种方法和装置。 在一个方面，发送用于经由接收波束方向接收通信的时间分配。 时间的分配可以基于关于已知位于接收波束方向上的设备的信息。 可以分配用于从每个已知设备接收通信的唯一时间，或者用于从已知设备接收通信的持续时间可以基于已知位于接收波束方向上的多个设备而变化。

公开(公告)号：US20110286404A1

公开(公告)日：2011-11-24

申请号：US12949764

申请日：2010-11-18

申请人： Santosh Paul Abraham ,  Mohammad Hossein Taghavi Nasrabadi ,  Avinash Jain ,  Hemanth Sampath

发明人： Santosh Paul Abraham ,  Mohammad Hossein Taghavi Nasrabadi ,  Avinash Jain ,  Hemanth Sampath

IPC分类号： H04W72/04

CPC分类号： H04L1/1614 ,  H04L1/1621 ,  H04L1/1628 ,  H04L1/1832 ,  H04L1/1854 ,  H04L1/22 ,  H04L5/0007

摘要： A method for wireless communications is provided that includes receiving a plurality of packets using a first radio link from an apparatus; reconstructing an index for the plurality of packets for use in a second radio link; determining reception state information indicating whether each packet in the plurality of packets has been received correctly; and receiving additional packets based on the index and the reception state information. Apparatuses for performing the methods are also disclosed.

摘要翻译： 提供了一种用于无线通信的方法，包括使用来自设备的第一无线电链路接收多个分组; 重建用于第二无线电链路中的多个分组的索引; 确定指示所述多个分组中的每个分组是否已被正确接收的接收状态信息; 以及基于索引和接收状态信息接收附加分组。 还公开了用于执行该方法的装置。

公开(公告)号：US20110286372A1

公开(公告)日：2011-11-24

申请号：US12947798

申请日：2010-11-16

申请人： Mohammad Hossein Taghavi Nasrabadi ,  Hemanth Sampath ,  Avinash Jain

发明人： Mohammad Hossein Taghavi Nasrabadi ,  Hemanth Sampath ,  Avinash Jain

IPC分类号： H04W88/02

CPC分类号： H04B7/082 ,  H04B7/0691 ,  H04B7/0695 ,  H04B7/0851 ,  H04B7/0874 ,  H04B7/088

摘要： Aspects of the present disclosure propose a method for determining preferred transmit and receive antenna patterns of a wireless device with respect to another wireless device. The method generally includes determining the beamforming or calibrating coefficients corresponding to the preferred transmit and receive antenna patterns of a wireless device iteratively.

摘要翻译： 本公开的方面提出了一种用于确定无线设备相对于另一无线设备的优选发射和接收天线方向图的方法。 该方法通常包括迭代地确定对应于无线设备的优选发射和接收天线方向图的波束形成或校准系数。

公开(公告)号：US20110164186A1

公开(公告)日：2011-07-07

申请号：US12652629

申请日：2010-01-05

申请人： Ahmed K. Sadek ,  Wenyi Zhang ,  Babak Aryan ,  Vijayalakshimi Raveendran ,  Avinash Jain ,  Stephen J. Shellhammer ,  Charles A. Bergan

发明人： Ahmed K. Sadek ,  Wenyi Zhang ,  Babak Aryan ,  Vijayalakshimi Raveendran ,  Avinash Jain ,  Stephen J. Shellhammer ,  Charles A. Bergan

IPC分类号： H04N5/40

CPC分类号： H04H20/33 ,  H04H20/30 ,  H04H60/07 ,  H04L5/005 ,  H04L5/0062 ,  H04N5/4401 ,  H04W16/14

摘要： White space signals are differentiated from licensed ATSC signals through modification of a waveform of the white space signal. White space signals may be modified by shifting the ATSC-compatible waveform so that the pilot frequency of the white space signal is at a location outside of the frequency range associated with the pilot frequency in a licensed ATSC signal or embedding a watermark signal into said ATSC-like white space signals. White space device transmitters generate the signals with these modifications and white space receivers are equipped to detect whether a pilot exists in the standard licensed pilot frequencies. Based on these differences, white space devices can better operate without interfering with licensed ATSC transmission. Additionally, the modification techniques may be used to embed data in the white space signal that may be used to communicate connection data or networking data to other white space devices.

摘要翻译： 通过修改白空间信号的波形，白色空间信号与许可的ATSC信号区分开来。 可以通过移动ATSC兼容波形来修改白色空间信号，使得白色空间信号的导频位于与授权的ATSC信号中与导频频率相关联的频率范围之外的位置，或者将水印信号嵌入到所述ATSC 像空白信号。 白色空间设备发射机通过这些修改产生信号，并配备白空间接收机，以检测在标准许可的导频中是否存在导频。 基于这些差异，白色空间设备可以更好地操作而不干扰授权的ATSC传输。 此外，修改技术可以用于将数据嵌入到可用于将连接数据或联网数据传送到其他空白设备的空白信号中。

公开(公告)号：US20110122849A1

公开(公告)日：2011-05-26

申请号：US12790427

申请日：2010-05-28

申请人： Avinash Jain ,  Hemanth Sampath ,  Mohammad H. Taghavi Nasrabadi ,  Santosh P. Abraham

发明人： Avinash Jain ,  Hemanth Sampath ,  Mohammad H. Taghavi Nasrabadi ,  Santosh P. Abraham

IPC分类号： H04J3/00

CPC分类号： H04W74/0808 ,  H04W16/28 ,  H04W84/18

摘要： A method of facilitating a silence period in a directional communication network is provided. The method may comprise initiating, by a first apparatus, a listening period mode, wherein the listening period mode comprises ceasing at least a portion of current communication and configuring the first apparatus to receive a request to initiate a new communication, determining whether a request is received during a time period in the listening period mode, and transmitting a response if the request to initiate the new communication is received during the time period in the listening period mode.

摘要翻译： 提供一种促进定向通信网络中的静默期的方法。 该方法可以包括由第一设备发起监听周期模式，其中监听周期模式包括停止当前通信的至少一部分并且配置第一设备以接收发起新通信的请求，确定请求是否是 在收听期间模式期间的一段时间内接收到响应，并且如果在收听期间模式的时间段期间接收到发起新通信的请求，则发送响应。

公开(公告)号：US06983153B2

公开(公告)日：2006-01-03

申请号：US09877917

申请日：2001-06-07

申请人： Avinash Jain ,  Jack M. Holtzman

发明人： Avinash Jain ,  Jack M. Holtzman

IPC分类号： H04Q4/20

CPC分类号： H04W28/12 ,  H04B7/264 ,  H04W4/24 ,  H04W28/22

摘要： Method and apparatus for congestion control in a wireless communication system. In one embodiment, the status of a congestion bit indicates the type of adjustment, such as increase or decrease, to be performed at an access terminal to determine the next data rate for transmissions on the reverse link. The status of the congestion bit is determined by comparing a congestion parameter to a predetermined threshold. One embodiment implements an outerloop threshold having a margin with respect to the desired congestion metric threshold. The outerloop threshold is adjusted in response to comparing a measured congestion metric to the desired threshold. The outerloop threshold adjustment maintains the congestion metric to within a predetermined probability of exceeding the desired threshold.