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1. 发明授权

US08634438B2 Wireless communication systems with femto nodes 失效
标题翻译：带毫微微节点的无线通信系统
公开(公告)号：US08634438B2
公开(公告)日：2014-01-21
申请号：US12625061
申请日：2009-11-24
申请人： Sanjiv Nanda , Mehmet Yavuz , J. Rodney Walton , Peter J. Black
发明人： Sanjiv Nanda , Mehmet Yavuz , J. Rodney Walton , Peter J. Black
IPC分类号： H04W4/00 , H04B7/216 , H04B3/10 , H04J3/14
CPC分类号： H04W48/12 , H04W36/04 , H04W48/20 , H04W88/085
摘要： Systems and methods for performing a handoff of an access terminal from a macro node to a femto node are disclosed. To direct handoff of the access terminal, an identity of the femto node is determined. A femto node provided may be identified by at least a difference between the offset of a first pilot signal and the offset of a second pilot signal.
摘要翻译：公开了用于执行从宏节点到毫微微节点的接入终端切换的系统和方法。为了指示接入终端的切换，确定毫微微节点的身份。提供的毫微微节点可以通过至少第一导频信号的偏移与第二导频信号的偏移之间的差异来识别。

2. 发明申请

US20100135234A1 WIRELESS COMMUNICATION SYSTEMS WITH FEMTO NODES 失效
标题翻译：无线通信系统与FEMTO NODES
公开(公告)号：US20100135234A1
公开(公告)日：2010-06-03
申请号：US12625061
申请日：2009-11-24
申请人： Sanjiv Nanda , Mehmet Yavuz , J. Rodney Walton , Peter J. Black
发明人： Sanjiv Nanda , Mehmet Yavuz , J. Rodney Walton , Peter J. Black
IPC分类号： H04B3/10 , H04W72/04
CPC分类号： H04W48/12 , H04W36/04 , H04W48/20 , H04W88/085
摘要： Systems and methods for performing a handoff of an access terminal from a macro node to a femto node are disclosed. To direct handoff of the access terminal, an identity of the femto node is determined A femto node provided may be indentified by at least a difference between the offset of a first pilot signal and the offset of a second pilot signal.
摘要翻译：公开了用于执行从宏节点到毫微微节点的接入终端切换的系统和方法。为了指示接入终端的切换，确定毫微微节点的身份。所提供的毫微微节点可以通过至少第一导频信号的偏移与第二导频信号的偏移之间的差异来识别。

3. 发明申请

US20120213181A1 TRANSMIT DIVERSITY AND SPATIAL SPREADING FOR AN OFDM-BASED MULTI-ANTENNA COMMUNICATION SYSTEM 失效
标题翻译：基于OFDM的多天线通信系统的发射多样性和空间扩展
公开(公告)号：US20120213181A1
公开(公告)日：2012-08-23
申请号：US13461707
申请日：2012-05-01
申请人： J. Rodney Walton , John W. Ketchum , Mark S. Wallace , Steven J. Howard , Sanjiv Nanda
发明人： J. Rodney Walton , John W. Ketchum , Mark S. Wallace , Steven J. Howard , Sanjiv Nanda
IPC分类号： H04J11/00 , H04W72/04
CPC分类号： H04B7/0615 , H04B7/0413 , H04L27/2602
摘要： A multi-antenna transmitting entity transmits data to a single- or multi-antenna receiving entity using (1) a steered mode to direct the data transmission toward the receiving entity or (2) a pseudo-random transmit steering (PRTS) mode to randomize the effective channels observed by the data transmission across the subbands. For transmit diversity, the transmitting entity uses different pseudo-random steering vectors across the subbands but the same steering vector across a packet for each subband. The receiving entity does not need to have knowledge of the pseudo-random steering vectors or perform any special processing. For spatial spreading, the transmitting entity uses different pseudo-random steering vectors across the subbands and different steering vectors across the packet for each subband. Only the transmitting and receiving entities know the steering vectors used for data transmission. Other aspects, embodiments, and features are also claimed and disclosed.
摘要翻译：多天线发射实体使用（1）向接收实体指导数据传输的导向模式或（2）伪随机发射转向（PRTS）模式来将数据发送到单天线或多天线接收实体，以随机化通过子带上的数据传输观察到的有效信道。对于发射分集，发射实体在子带上使用不同的伪随机导向矢量，但是在每个子带的分组上使用相同的导向矢量。接收实体不需要具有伪随机导引向量的知识或执行任何特殊处理。对于空间扩展，发射实体在子带上使用不同的伪随机导引向量，并且跨每个子带的分组使用不同的导向矢量。只有发送和接收实体知道用于数据传输的导向向量。还要求和公开其他方面，实施例和特征。

4. 发明授权

US08903440B2 Distributed hierarchical scheduling in an ad hoc network 有权
标题翻译：自组织网络中的分布式分层调度
公开(公告)号：US08903440B2
公开(公告)日：2014-12-02
申请号：US12882945
申请日：2010-09-15
申请人： Sanjiv Nanda , J. Rodney Walton
发明人： Sanjiv Nanda , J. Rodney Walton
IPC分类号： H04B7/00 , H04W72/12 , H04W84/18
CPC分类号： H04W72/1278 , H04W72/1231 , H04W84/18
摘要： An ad hoc network with distributed hierarchical scheduling is disclosed. In one aspect, stations in a network mesh detect interfering neighbor stations and form interference lists. Stations transmit their interference lists. Scheduling stations schedule allocations for child stations in response to interference lists, received remote allocations, or a combination thereof. Coordination messages are transmitted including frame structure, allocations, and interference lists, among others. In another aspect, an ad hoc mesh network may be organized into a tree topology. In an example wireless backhaul network, this matches traffic flow. Distributed, hierarchical scheduling is provided where parents schedule communication with children while respecting already scheduled transmissions to/from interferers and to/from interferers of their respective children. Procedures to construct interference constraints for distributed, hierarchical scheduling are described, resulting in efficient scheduling and reuse in an ad hoc wireless network, without centralized scheduling. Various other aspects are also disclosed.
摘要翻译：公开了一种具有分布式分层调度的自组织网络。在一个方面，网络网络中的站检测干扰相邻站并形成干扰列表。车站发送干扰列表。调度站响应于干扰列表，接收的远程分配或其组合来调度子站的分配。发送协调消息，包括帧结构，分配和干扰列表等。在另一方面，可以将自组织网状网络组织成树形拓扑。在无线回程网络的示例中，这匹配了流量。提供了分布式的分层调度，其中父母调度与孩子的通信，同时尊重已经调度的传输到/来自干扰源和/或来自其相应子项的干扰。描述了为分布式分层调度构建干扰约束的过程，从而在ad hoc无线网络中进行有效的调度和重用，而无需集中调度。还公开了各种其它方面。

5. 发明申请

US20110223952A1 DISTRIBUTED HIERARCHICAL SCHEDULING IN AN AD HOC NETWORK 有权
标题翻译：分布式分布式调度在一个广泛的网络
公开(公告)号：US20110223952A1
公开(公告)日：2011-09-15
申请号：US12882945
申请日：2010-09-15
申请人： Sanjiv Nanda , J. Rodney Walton
发明人： Sanjiv Nanda , J. Rodney Walton
IPC分类号： H04W72/04 , H04B7/00
CPC分类号： H04W72/1278 , H04W72/1231 , H04W84/18
摘要： An ad hoc network with distributed hierarchical scheduling is disclosed. In one aspect, stations in a network mesh detect interfering neighbor stations and form interference lists. Stations transmit their interference lists. Scheduling stations schedule allocations for child stations in response to interference lists, received remote allocations, or a combination thereof. Coordination messages are transmitted including frame structure, allocations, and interference lists, among others. In another aspect, an ad hoc mesh network may be organized into a tree topology. In an example wireless backhaul network, this matches traffic flow. Distributed, hierarchical scheduling is provided where parents schedule communication with children while respecting already scheduled transmissions to/from interferers and to/from interferers of their respective children. Procedures to construct interference constraints for distributed, hierarchical scheduling are described, resulting in efficient scheduling and reuse in an ad hoc wireless network, without centralized scheduling. Various other aspects are also disclosed.
摘要翻译：公开了一种具有分布式分层调度的自组织网络。在一个方面，网络网络中的站检测干扰相邻站并形成干扰列表。车站发送干扰列表。调度站响应于干扰列表，接收的远程分配或其组合来调度子站的分配。发送协调消息，包括帧结构，分配和干扰列表等。在另一方面，可以将自组织网状网络组织成树形拓扑。在无线回程网络的示例中，这匹配了流量。提供了分布式的分层调度，其中父母调度与孩子的通信，同时尊重已经调度的传输到/来自干扰源和/或来自其相应子项的干扰。描述了为分布式分层调度构建干扰约束的过程，从而在ad hoc无线网络中进行有效的调度和重用，而无需集中调度。还公开了各种其它方面。

6. 发明授权

US08406235B2 Quality of service scheduler for a wireless network 有权
标题翻译：无线网络的服务质量调度器
公开(公告)号：US08406235B2
公开(公告)日：2013-03-26
申请号：US10723346
申请日：2003-11-26
申请人： J. Rodney Walton , Sanjiv Nanda
发明人： J. Rodney Walton , Sanjiv Nanda
IPC分类号： H04L12/28
CPC分类号： H04L47/72 , H04L47/10 , H04L47/14 , H04L47/20 , H04L47/245 , H04L47/2475 , H04L47/30 , H04L47/50 , H04L47/564 , H04L47/568 , H04L47/60 , H04L47/70 , H04L47/765 , H04L47/803 , H04L47/805 , H04L47/808 , H04L47/824 , H04L47/826 , H04W8/18 , H04W28/18 , H04W72/1236
摘要： In one aspect of the invention, a communication device, operable with a plurality of remote devices, and operable with an admission profile comprising a capacity reservation for zero or more remote devices, comprises a scheduler for determining if a remote device corresponding to the data transmission indicator has a capacity reservation in the admission profile and for allocating capacity in accordance with the data transmission indicator. In another aspect, data indicators correspond to one or more service levels. Remaining capacity may be allocated in priority of increasing size of data transmission requirement. In yet another aspect, an admission profile is updated to accept a new flow, characterized by flow parameters, in accordance with available system capacity. Various other aspects are also presented.
摘要翻译：在本发明的一个方面中，一种可与多个远程设备一起操作并且具有包括零个或多个远程设备的容量预留的准入简档的通信设备包括调度器，用于确定对应于数据传输的远程设备指示符在接收简档中具有容量预留，并且根据数据传输指示符分配容量。在另一方面，数据指示符对应于一个或多个服务级别。剩余容量可以优先分配数据传输需求的增加。在另一方面，根据可用的系统容量，允许简档被更新以接受以流量参数为特征的新流程。还提出了各种其他方面。

7. 发明申请

US20050111462A1 Quality of service scheduler for a wireless network 有权
标题翻译：无线网络的服务质量调度器
公开(公告)号：US20050111462A1
公开(公告)日：2005-05-26
申请号：US10723346
申请日：2003-11-26
申请人： J. Rodney Walton , Sanjiv Nanda
发明人： J. Rodney Walton , Sanjiv Nanda
IPC分类号： H04L12/28 , H04L12/56 , H04W8/18 , H04W28/18 , H04W28/26 , H04W72/04 , H04W72/12
CPC分类号： H04L47/72 , H04L47/10 , H04L47/14 , H04L47/20 , H04L47/245 , H04L47/2475 , H04L47/30 , H04L47/50 , H04L47/564 , H04L47/568 , H04L47/60 , H04L47/70 , H04L47/765 , H04L47/803 , H04L47/805 , H04L47/808 , H04L47/824 , H04L47/826 , H04W8/18 , H04W28/18 , H04W72/1236
摘要： In one aspect of the invention, a communication device, operable with a plurality of remote devices, and operable with an admission profile comprising a capacity reservation for zero or more remote devices, comprises a scheduler for determining if a remote device corresponding to the data transmission indicator has a capacity reservation in the admission profile and for allocating capacity in accordance with the data transmission indicator. In another aspect, data indicators correspond to one or more service levels. Remaining capacity may be allocated in priority of increasing size of data transmission requirement. In yet another aspect, an admission profile is updated to accept a new flow, characterized by flow parameters, in accordance with available system capacity. Various other aspects are also presented.
摘要翻译：在本发明的一个方面中，一种可与多个远程设备一起操作并且具有包括零个或多个远程设备的容量预留的准入简档的通信设备包括调度器，用于确定对应于数据传输的远程设备指示符在接收简档中具有容量预留，并且根据数据传输指示符分配容量。在另一方面，数据指示符对应于一个或多个服务级别。剩余容量可以优先分配数据传输需求的增加。在另一方面，根据可用的系统容量，允许简档被更新以接受以流量参数为特征的新流程。还提出了各种其他方面。

8. 发明授权

US08462709B2 Multiple frequency band operation in wireless networks 有权
标题翻译：无线网络中的多频段操作
公开(公告)号：US08462709B2
公开(公告)日：2013-06-11
申请号：US12507850
申请日：2009-07-23
申请人： Sanjiv Nanda , Shravan K. Surineni , J. Rodney Walton
发明人： Sanjiv Nanda , Shravan K. Surineni , J. Rodney Walton
IPC分类号： H04W4/00
CPC分类号： H04W72/02 , H04W16/14 , H04W24/00 , H04W76/10
摘要： Embodiments for bandwidth allocation methods, detecting interference with other systems, and/or redeploying in alternate bandwidth are described. Higher bandwidth channels may be deployed at channel boundaries (410), which are a subset of those for lower bandwidth channels (310), and may be restricted from overlapping. Interference may be detected (930) on primary, secondary, or a combination of channels, and may be detected in response to energy measurements (910) of the various channels. When interference is detected, a higher bandwidth Basic Service Set (BSS)(100) may be relocated to an alternate channel, or may have its bandwidth reduced to avoid interference. Interference may be detected based on energy measured on the primary or secondary channel, and/or a difference between the two. An FFT (1010) may be used in energy measurement in either or both of the primary and secondary channels. Stations may also monitor messages from alternate systems to make channel allocation decisions. Various other aspects are also presented.
摘要翻译：描述带宽分配方法的实施例，检测与其他系统的干扰和/或以备用带宽重新部署。较高带宽信道可以部署在作为较低带宽信道（310）的子集的信道边界（410）处，并且可以被限制以重叠。可以在主要，次要或信道的组合上检测（930）干扰，并且可以响应于各种信道的能量测量（910）来检测干扰。当检测到干扰时，可以将更高带宽的基本业务集（BSS）（100）重新定位到备用信道，或者可以减少其带宽以避免干扰。可以基于在主要或次要信道上测量的能量和/或两者之间的差异来检测干扰。可以在主要和次要信道中的一个或两个中的能量测量中使用FFT（1010）。站点还可以监视来自备用系统的消息以进行信道分配决定。还提出了各种其他方面。

9. 发明授权

US08169889B2 Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system 有权
标题翻译：基于OFDM的多天线通信系统的发射分集和空间扩展
公开(公告)号：US08169889B2
公开(公告)日：2012-05-01
申请号：US10794918
申请日：2004-03-05
申请人： J. Rodney Walton , John W. Ketchum , Mark S. Wallace , Steven J. Howard , Sanjiv Nanda
发明人： J. Rodney Walton , John W. Ketchum , Mark S. Wallace , Steven J. Howard , Sanjiv Nanda
IPC分类号： H04J11/00
CPC分类号： H04B7/0615 , H04B7/0413 , H04L27/2602
摘要： A multi-antenna transmitting entity transmits data to a single- or multi-antenna receiving entity using (1) a steered mode to direct the data transmission toward the receiving entity or (2) a pseudo-random transmit steering (PRTS) mode to randomize the effective channels observed by the data transmission across the subbands. The PRTS mode may be used to achieve transmit diversity or spatial spreading. For transmit diversity, the transmitting entity uses different pseudo-random steering vectors across the subbands but the same steering vector across a packet for each subband. The receiving entity does not need to have knowledge of the pseudo-random steering vectors or perform any special processing. For spatial spreading, the transmitting entity uses different pseudo-random steering vectors across the subbands and different steering vectors across the packet for each subband. Only the transmitting and receiving entities know the steering vectors used for data transmission.
摘要翻译：多天线发射实体使用（1）向接收实体指导数据传输的导向模式或（2）伪随机发射转向（PRTS）模式来将数据发送到单天线或多天线接收实体，以随机化通过子带上的数据传输观察到的有效信道。 PRTS模式可以用于实现发射分集或空间扩展。对于发射分集，发射实体在子带上使用不同的伪随机导引向量，但是在每个子带的分组上使用相同的导向向量。接收实体不需要具有伪随机导引向量的知识或执行任何特殊处理。对于空间扩展，发射实体在子带上使用不同的伪随机导引向量，并且跨每个子带的分组使用不同的导向矢量。只有发送和接收实体知道用于数据传输的导向向量。

10. 发明授权

US09755785B2 Receiver for wireless communication network with extended range 有权
公开(公告)号：US09755785B2
公开(公告)日：2017-09-05
申请号：US12271836
申请日：2008-11-14
申请人： J. Rodney Walton , Mark S. Wallace
发明人： J. Rodney Walton , Mark S. Wallace
IPC分类号： H04B1/00 , H04L1/00 , H04B1/7073 , H04B1/7075 , H04L25/02 , H04L27/00
CPC分类号： H04L1/0072 , H04B1/7073 , H04B1/7075 , H04L1/0045 , H04L25/0204 , H04L25/0216 , H04L25/0228 , H04L27/0006 , H04L27/0014 , H04L2027/0038 , H04L2027/0065 , H04L2027/0097
摘要： Techniques for detecting and demodulating a signal/transmission are described. Signal detection is performed in multiple stages using different types of signal processing, e.g., using time-domain correlation for a first stage, frequency-domain processing for a second stage, and time-domain processing for a third stage. For the first stage, products of symbols are generated for at least two different delays, correlation between the products for each delay and known values is performed, and correlation results for all delays are combined and used to declare the presence of a signal. For demodulation, the timing of input samples is adjusted to obtain timing-adjusted samples. A frequency offset is estimated and removed from the timing-adjusted samples to obtain frequency-corrected samples, which are processed with a channel estimate to obtain detected symbols. The phases of the detected symbols are corrected to obtain phase-corrected symbols, which are demodulated, deinterleaved, and decoded.

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