公开(公告)号：US08170618B1

公开(公告)日：2012-05-01

申请号：US12197745

申请日：2008-08-25

申请人： Subir Varma ,  Durga Prasad Satapathy

发明人： Subir Varma ,  Durga Prasad Satapathy

IPC分类号： H04M1/00

CPC分类号： H04L1/0625

摘要： A wireless communication device is operated in a M by N multiple-input multiple-output (MIMO) mode. M is the number of antennas transmitting to the communication device from a first base station. N the number of receiving antennas and receivers. M and N are integers greater than one. The wireless communication device is operated in an M by N−1 MIMO mode while a first one of the N receiving antennas and a first one of the N receivers receives wireless communication from a second base station.

摘要翻译： 无线通信设备以M×N多输入多输出（MIMO）模式工作。 M是从第一基站向通信设备发送的天线的数量。 N是接收天线和接收机的数量。 M和N是大于1的整数。 无线通信设备以M为N-1 MIMO模式操作，而N个接收天线中的第一个和N个接收机中的第一个接收机从第二基站接收无线通信。

公开(公告)号：US08155603B2

公开(公告)日：2012-04-10

申请号：US12416983

申请日：2009-04-02

申请人： Don Gunasekara ,  Fazal Mahmood ,  Sunil Prasad

发明人： Don Gunasekara ,  Fazal Mahmood ,  Sunil Prasad

IPC分类号： H04B1/02

CPC分类号： H04W16/14 ,  H04W72/082 ,  H04W88/06

摘要： Systems and methods of unlicensed bi-directional communications over Ultra-High Frequency (UHF) band reserved for licensed communications are provided. A base transceiver station scans the UHF band to identify unused frequency bands. When an unused frequency band is detected, the base transceiver station transmits a tone indicating that the unused frequency band can be used for communicating with the base transceiver station. When the base transceiver station determines that the unused frequency band is being used, then the base transceiver station scans the UHF band to identify another unused frequency band for communications.

摘要翻译： 提供了保留用于许可通信的超高频（UHF）频带上的无许可双向通信的系统和方法。 基站收发器扫描UHF频带以识别未使用的频带。 当检测到未使用的频带时，基地收发台发送指示未使用的频带可用于与基站收发信机进行通信的音调。 当基站收发器确定正在使用未使用的频带时，基站收发台扫描UHF频带以识别用于通信的另一未使用频带。

公开(公告)号：US08086249B1

公开(公告)日：2011-12-27

申请号：US12197597

申请日：2008-08-25

申请人： Esmail Hejazi Dinan ,  Saied Kazeminejad

发明人： Esmail Hejazi Dinan ,  Saied Kazeminejad

IPC分类号： H04W24/00

CPC分类号： H04W56/0005 ,  H04W56/0045

摘要： A method of operating a communication system is disclosed. The method includes receiving a first location information related to a geographic location of a wireless communication device and a second location information related to a geographic location of an access node, processing the first location information and the second location information to determine a distance between the wireless communication device and the access node, processing the distance to determine a first delay metric, wherein the first delay metric indicates a first time delay associated with a wireless link between the access node and the wireless communication device, and processing the first delay metric to determine if the first delay metric exceeds a threshold delay. If the first delay metric exceeds the threshold delay, processing the first delay metric and a protocol timing period to determine a second delay metric, wherein the second delay metric indicates a second time delay less than the protocol timing period, processing at least one of the protocol timing periods to add to the second delay metric to determine a third delay metric, wherein the third delay metric comprises the second delay metric and the at least one of the protocol timing periods. The method also includes timing communications between the access node and the wireless communication device over the wireless link based on the third delay metric.

摘要翻译： 公开了一种操作通信系统的方法。 该方法包括接收与无线通信设备的地理位置相关的第一位置信息和与接入节点的地理位置相关的第二位置信息，处理第一位置信息和第二位置信息以确定无线 通信设备和所述接入节点，处理所述距离以确定第一延迟度量，其中所述第一延迟度量指示与所述接入节点和所述无线通信设备之间的无线链路相关联的第一时间延迟，以及处理所述第一延迟度量以确定 如果第一延迟度量超过阈值延迟。 如果第一延迟度量超过阈值延迟，则处理第一延迟度量和协议定时周期以确定第二延迟度量，其中第二延迟度量指示小于协议定时周期的第二时间延迟，处理至少一个 协议定时周期以添加到第二延迟度量以确定第三延迟度量，其中第三延迟度量包括第二延迟度量和协议定时周期中的至少一个。 该方法还包括基于第三延迟度量通过无线链路在接入节点和无线通信设备之间定时通信。

公开(公告)号：US09736746B2

公开(公告)日：2017-08-15

申请号：US14317384

申请日：2014-06-27

申请人： CLEARWIRE IP HOLDINGS LLC

发明人： Swati Tiwari ,  Hemanth Balaji Pawar ,  Esmail Dinan ,  Krishna Sitaram ,  Jong-Hak Jung

IPC分类号： H04W36/00 ,  H04W36/26

CPC分类号： H04W36/26 ,  H04W36/00

摘要： Systems and methods of operating multimode 3G/4G communications devices in an overlapping 3G/4G coverage area (e.g., WiMAX or LTE/CDMA-EvDO) include determining a loading condition of the 3G and 4G base stations. If the 3G and 4G base stations are lightly loaded, one or more 4G Channel Quality Indicators (CQI) are compared with one or more corresponding 3G Data Rate Control (DRC) indices to determine which of the 3G and 4G networks allows a higher data throughput. The dual mode communications device is handed off to a 4G base station associated with the 4G coverage if the 4G network allows the higher data throughput; otherwise, the dual mode communications device is handed off to a 3G base station. User priorities, application categories, and/or MIMO and diversity modes may be used to determine handoff if the base stations are more than lightly loaded.

公开(公告)号：US09497494B1

公开(公告)日：2016-11-15

申请号：US12040532

申请日：2008-02-29

申请人： Yaojun Sun ,  Zheng Cai ,  Jing Qu ,  Arun Manroa

发明人： Yaojun Sun ,  Zheng Cai ,  Jing Qu ,  Arun Manroa

IPC分类号： H04N21/2385 ,  H04N21/647 ,  H04N21/24 ,  H04N21/61 ,  H04W28/02

CPC分类号： H04N21/2385 ,  H04L47/74 ,  H04L47/806 ,  H04L65/00 ,  H04N21/222 ,  H04N21/2402 ,  H04N21/2408 ,  H04N21/6131 ,  H04N21/64322 ,  H04N21/64723 ,  H04N21/64738 ,  H04W28/0289 ,  H04W88/08

摘要： The use of broadcast channels for television programming on a wireless telecommunications data network is optimized. Proxy servers at base stations receive more programming than can be broadcast by the base station. Programming then is queued for changes in broadcast content. Management servers coordinate the broadcasts across multiple sectors so that centralized control is possible. Management servers operate in conjunction with necessary gateways on the connectivity services network to route content to access service network. Quality of service (QoS) guarantees are actualized by centrally managing the broadcast of requested content from the proxy servers. Handoffs are possible from one area to another by coordinating the broadcasts across access service networks.

摘要翻译： 在无线电信数据网络上使用用于电视节目的广播频道被优化。 基站的代理服务器接收比基站广播的节目更多的节目。 编程然后排队等待广播内容的更改。 管理服务器协调跨多个扇区的广播，以便集中控制是可能的。 管理服务器与连接服务网络上的必要网关一起运行，将内容路由到接入服务网络。 通过从代理服务器集中管理所请求内容的广播来实现服务质量（QoS）保证。 通过协调跨接入服务网络的广播，可以从一个区域到另一个区域进行切换。

公开(公告)号：US09247514B2

公开(公告)日：2016-01-26

申请号：US13935225

申请日：2013-07-03

申请人： Clearwire IP Holdings LLC

发明人： Walter Rausch ,  Durga Prasad Satapathy

IPC分类号： H04W56/00 ,  G01S5/02 ,  G01S5/08 ,  H04W88/08

CPC分类号： H04W56/002 ,  G01S5/021 ,  G01S5/0242 ,  G01S5/08 ,  H04B17/318 ,  H04W56/0045 ,  H04W56/005 ,  H04W88/08

摘要： Exemplary methods and systems may generally be implemented to allow a macro-network base station without access to a GPS reference signal to provide some or all of the functionality for which existing macro-network base stations typically rely on GPS. In a first aspect, an exemplary macro-network base station may determine its location using a location-determination technique that is based upon the angles of arrival of FM radio signals from nearby FM stations. In a second aspect, an exemplary macro-network base station may stabilize its local oscillator by phase-locking its local oscillator to an FM radio signal, and periodically adjusting its local oscillator to account for phase drift of the FM radio signal. And in a third aspect, an exemplary macro-network base station may synchronize its frame-start timing with a nearby base station using a frame-start timing signal that the base station has synchronized to frame transmissions from the nearby base station during a setup routine.

公开(公告)号：US08908592B2

公开(公告)日：2014-12-09

申请号：US13016633

申请日：2011-01-28

申请人： Chunmei Liu ,  Dhaval Dipak Mehta ,  Sungki Park ,  Masoud Olfat ,  Durga Prasad Satapathy

发明人： Chunmei Liu ,  Dhaval Dipak Mehta ,  Sungki Park ,  Masoud Olfat ,  Durga Prasad Satapathy

IPC分类号： H04B7/185 ,  H04W52/50 ,  H04W52/36 ,  H04W52/14

CPC分类号： H04W52/50 ,  H04W52/146 ,  H04W52/36

摘要： In various embodiments, a system and method for providing uplink (UL) power control for a wireless mobile station (MS) includes, after transmission of an unanswered bandwidth request by the MS, incrementally boosting an UL transmit power of one or more subsequent bandwidth requests by the MS to a boosted UL power level at which UL bandwidth is allocated to the MS by the BS; selectively reporting the boosted UL power level to the BS immediately after the UL transmit power has been boosted; and selectively controlling the boosted UL power level by the BS responsive to the boosted UL power level reported to the BS. A MS is configured to carry out the UL power control method and a BS is configured to generate MS UL power control commands based, at least in part, upon the UL power level reported to the BS.

摘要翻译： 在各种实施例中，用于为无线移动站（MS）提供上行链路（UL）功率控制的系统和方法包括：在由MS发送未应答的带宽请求之后，递增地提高一个或多个后续带宽请求的UL发送功率 由MS通过BS向UL分配UL带宽的升压UL功率级; 在UL发射功率被提升之后立即选择性地报告提升的UL功率电平到BS; 以及响应于向所述BS报告的升高的UL功率电平，选择性地控制由所述BS提升的UL功率电平。 MS被配置为执行UL功率控制方法，并且BS被配置为至少部分地基于向BS报告的UL功率电平来生成MS UL功率控制命令。

公开(公告)号：US08908571B2

公开(公告)日：2014-12-09

申请号：US13160273

申请日：2011-06-14

申请人： Michael Hart ,  Yang Xu ,  Peter Gelbman ,  Herkole Sava

发明人： Michael Hart ,  Yang Xu ,  Peter Gelbman ,  Herkole Sava

IPC分类号： H04J3/00 ,  H04L1/00 ,  H04J11/00 ,  H04W52/36

CPC分类号： H04J11/0023 ,  H04L1/0001 ,  H04L1/0026 ,  H04L1/0028 ,  H04L1/0035 ,  H04W52/367

摘要： Systems and methods for detecting and mitigating interference between from a first wireless time division duplex (TDD) communications device and a second wireless TDD communications device includes processing quality-indicator reports received from the first TDD device to determine if reception at the first TDD device has experienced interference from the second TDD device. Such interference at the first TDD device may indicate that the first TDD device may also cause interference to reception at the second TDD device. Accordingly, to mitigate the possible interference from the first TDD device, an uplink configuration of the first TDD base station may be adjusted. The adjustment of the uplink configuration may include configuring reception of data packets at the first TDD base station from the first TDD device in accordance with an interference-free time interval, an unprotected time interval, or a specific portion of an associated frequency band.

摘要翻译： 用于检测和减轻来自第一无线时分双工（TDD）通信设备和第二无线TDD通信设备之间的干扰的系统和方法包括处理从第一TDD设备接收的质量指标报告，以确定在第一TDD设备处的接收是否具有 经历了来自第二TDD设备的干扰。 在第一TDD设备处的这种干扰可以指示第一TDD设备也可能对第二TDD设备的接收造成干扰。 因此，为了减轻来自第一TDD设备的可能的干扰，可以调整第一TDD基站的上行链路配置。 上行链路配置的调整可以包括根据无干扰时间间隔，无保护时间间隔或相关联频带的特定部分，从第一TDD设备配置在第一TDD基站处的数据分组的接收。

公开(公告)号：US08842525B2

公开(公告)日：2014-09-23

申请号：US12575691

申请日：2009-10-08

申请人： John Yongchae Kim ,  Joe Martire ,  Thuy Thomas Tran

发明人： John Yongchae Kim ,  Joe Martire ,  Thuy Thomas Tran

IPC分类号： H04W4/00 ,  H04B7/14 ,  H04J1/10 ,  H04J3/08

CPC分类号： H04W16/26 ,  H04W8/005 ,  H04W24/00

摘要： The present document describes a system and method for extending a wireless communication coverage area of a cellular wireless base station transceiver (BTS) to enable control signaling and identification of mobile stations not currently within a coverage area of an existing beamform antenna pattern of the BTS, for example. A cellular BTS may scan through dead zones of coverage areas provided by the BTS to identify mobile stations not within the coverage area of the BTS, but within a possible service area of the BTS. In addition, the BTS may receive a relaying control signal from a mobile station located within the coverage area of the BTS, and the signal will indicate a location of another mobile station not within the coverage area of the BTS but within the service area of the BTS. In either example, the BTS may attempt to provide a coverage area to the mobile station located in the control signaling dead zone, for example.

摘要翻译： 本文件描述了一种用于扩展蜂窝无线基站收发信机（BTS）的无线通信覆盖区域的系统和方法，以便能够控制信号和识别当前不在BTS的现有波束形天线方案的覆盖区域内的移动站， 例如。 蜂窝BTS可以扫描由BTS提供的覆盖区域的死区，以识别不在BTS的覆盖区域内但在BTS的可能服务区域内的移动站。 此外，BTS可以从位于BTS的覆盖区域内的移动台接收中继控制信号，并且该信号将指示不在BTS的覆盖区域内但在BTS的覆盖区域内的另一个移动站的位置 BTS。 在任一示例中，BTS可以尝试向位于控制信令死区中的移动台提供覆盖区域。

公开(公告)号：US08825865B2

公开(公告)日：2014-09-02

申请号：US13439938

申请日：2012-04-05

申请人： Howard Anderson ,  Hemanth Pawar ,  Hetal Mistry

发明人： Howard Anderson ,  Hemanth Pawar ,  Hetal Mistry

IPC分类号： G06F15/173 ,  H04L12/28 ,  H04L12/56

CPC分类号： H04W16/04 ,  H04W24/02

摘要： A system and methodology for network planning in which a software based tool provides network engineers with the capability to more precisely plan for traffic loading within the network on a cell site by cell site basis. Thus for each cell site, variations in geographic location, device mix, historical usage patterns and other factors are taken into account to allow for more accurate network planning and for more efficient use of capital. Cell sites with a higher traffic profile based upon historic device mix and usage patterns will be associated with lower OSF values thus enhancing the user experience for a device user in communication with that cell site. On the other hand, for cell sites with a lesser traffic profile, a higher OSF value is ascribed thus allowing for capital to be deployed elsewhere while still maintaining a positive user experience for users relying on that cell site.

摘要翻译： 一种用于网络规划的系统和方法，其中基于软件的工具为网络工程师提供了通过小区站点更准确地规划网络中网络中流量加载的能力的能力。 因此，对于每个小区站点，考虑到地理位置，设备组合，历史使用模式和其他因素的变化，以允许更准确的网络规划和更有效地利用资本。 具有基于历史设备组合和使用模式的较高流量简档的小区站点将与较低的OSF值相关联，从而增强了与该小区站点通信的设备用户的用户体验。 另一方面，对于具有较少流量简档的小区站点，归因于更高的OSF值，从而允许在其他地方部署资本，同时仍然为依赖于该小区站点的用户保持积极的用户体验。