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1. 发明授权

US09113371B2 Cross-layer optimization for next-generation WiFi systems 有权
标题翻译：下一代WiFi系统的跨层优化
公开(公告)号：US09113371B2
公开(公告)日：2015-08-18
申请号：US13173251
申请日：2011-06-30
申请人： Jiatong Sun , Vincent Kin Nang Lau
发明人： Jiatong Sun , Vincent Kin Nang Lau
IPC分类号： H04L12/26 , H04W28/16 , H04L12/911 , H04L5/00 , H04L12/54 , H04L29/08 , H04W24/00 , H04W28/04 , H04W28/06 , H04W28/18 , H04W72/02 , H04W88/08
CPC分类号： H04W28/16 , H04L5/0035 , H04L47/70 , H04L47/78 , H04L69/32 , H04W24/00 , H04W28/04 , H04W28/06 , H04W28/18 , H04W72/02 , H04W88/08
摘要： Systems, methods, and apparatus are described that that increase throughput of a WiFi network. A first method is provided wherein access points monitor and keep track of their states on each resource block (frequency channel and antenna pattern) associated therewith and dynamically select the resource blocks that increase network throughput based on the instantaneous states of the access points. A second method is provided comprising employing Q-learning to determine one or more modifications of operating parameters of a network node based on observed throughput of the network and implementing the one or more modifications at the node. A third method is also provided which combines the first and second methods so as to increase network throughput at both the physical layer and the MAC layer.
摘要翻译：描述了增加WiFi网络的吞吐量的系统，方法和装置。提供了第一种方法，其中接入点监视并跟踪与其相关联的每个资源块（频率信道和天线方向图）上的状态，并根据接入点的瞬时状态动态选择增加网络吞吐量的资源块。提供了第二种方法，其包括采用Q学习来基于观察到的网络吞吐量来确定网络节点的操作参数的一个或多个修改，并在该节点处实现一个或多个修改。还提供了组合第一和第二方法以增加物理层和MAC层两者的网络吞吐量的第三种方法。

2. 发明授权

US08817691B2 Resource allocation for OFDMA systems with half-duplex relay(s) and corresponding transmission protocol 有权
标题翻译：具有半双工中继和相应传输协议的OFDMA系统的资源分配
公开(公告)号：US08817691B2
公开(公告)日：2014-08-26
申请号：US13475434
申请日：2012-05-18
申请人： Edward Shunqing Zhang , Vincent Kin Nang Lau
发明人： Edward Shunqing Zhang , Vincent Kin Nang Lau
IPC分类号： H04B7/14 , H04J1/00 , H04W16/26 , H04W84/04
CPC分类号： H04W16/26 , H04B7/15592 , H04W72/08 , H04W84/047 , H04W84/08
摘要： A transmission protocol is provided for wireless communications in an OFDMA system that uses a rateless code and techniques are provided for dynamically adjusting the subcarrier resources allocated to an OFDMA relay node so that the relay is used at the right time according to the instantaneous channel state information (CSI). As a result, a higher throughput is achieved between source and destination nodes based on a low complexity algorithm for determining when relay assistance is helpful for completing a transmission between the source and destination nodes.
摘要翻译：在使用无码代码的OFDMA系统中提供用于无线通信的传输协议，并且提供技术来动态地调整分配给OFDMA中继节点的子载波资源，使得根据瞬时信道状态信息在适当的时间使用中继（CSI）。因此，基于用于确定何时中继帮助有助于完成源节点和目的地节点之间的传输的低复杂性算法，在源节点和目的节点之间实现更高的吞吐量。

3. 发明申请

US20090221252A1 LOW COMPLEXITY AGC FOR MB-OFDM 审中-公开
标题翻译：用于MB-OFDM的低复杂度AGC
公开(公告)号：US20090221252A1
公开(公告)日：2009-09-03
申请号：US12039898
申请日：2008-02-29
申请人： Henry Chun Cheung , Vincent Kin Nang Lau , Roger Shu Kwan Cheng , Wai Ho Mow , Ross David Murch
发明人： Henry Chun Cheung , Vincent Kin Nang Lau , Roger Shu Kwan Cheng , Wai Ho Mow , Ross David Murch
IPC分类号： H04B1/06 , H03G3/00
CPC分类号： H03G3/3078 , H04L27/2647
摘要： System and methodologies for amplifier gain control in a communication system are provided herein. By leveraging similarities between the distribution of received signal samples in an MB-OFDM system and a Gaussian distribution, various algorithms described herein can be utilized to perform fast and low-complexity amplifier gain tuning. Received signal strength indication information corresponding to analog signal samples and/or digital signal samples obtained from an analog to digital converter are analyzed to obtain a signal energy distribution. The obtained signal energy distribution is then compared to a reference Gaussian distribution to adaptively tune an associated amplifier gain.
摘要翻译：本文提供了通信系统中放大器增益控制的系统和方法。通过利用在MB-OFDM系统中的接收信号样本的分布与高斯分布之间的相似性，本文描述的各种算法可用于执行快速和低复杂度的放大器增益调谐。分析对应于从模数转换器获得的模拟信号样本和/或数字信号样本的接收信号强度指示信息，以获得信号能量分布。然后将所获得的信号能量分布与参考高斯分布进行比较以自适应地调谐相关联的放大器增益。

4. 发明申请

US20080249969A1 INTELLIGENT AGENT FOR DISTRIBUTED SERVICES FOR MOBILE DEVICES 有权
标题翻译：用于移动设备的分布式服务的智能代理
公开(公告)号：US20080249969A1
公开(公告)日：2008-10-09
申请号：US12051532
申请日：2008-03-19
申请人： Chi Ying Tsui , Ross David Murch , Roger Shu Kwan Cheng , Wai Ho Mow , Vincent Kin Nang Lau
发明人： Chi Ying Tsui , Ross David Murch , Roger Shu Kwan Cheng , Wai Ho Mow , Vincent Kin Nang Lau
IPC分类号： G06N5/04
CPC分类号： H04L67/16 , H02J7/0055 , H02J7/025 , H02N2/18
摘要： Mobile devices, mobile device systems and methods applying to mobile devices are provided that employ intelligent agents in combination with a wide array of remote utilities and information sources to facilitate improving a mobile device user's experience. By collecting contextual information from numerous information sources related to the mobile device user's context, more accurate and optimized determinations and/or inferences are formed relating to which remote utilities to make available to the mobile device user. This facilitates less confusion for the user in selecting desired mobile device content, services, and/or applications. The devices, systems, and methodologies also provide for an improved user experience in an open remote utility provider model.
摘要翻译：提供了应用于移动设备的移动设备，移动设备系统和方法，其使用智能代理与各种远程实用程序和信息源的组合，以便于改进移动设备用户的体验。通过从与移动设备用户的上下文相关的许多信息源收集上下文信息，形成了关于哪些远程实用程序可用于移动设备用户的更精确和优化的确定和/或推断。这有助于用户在选择所需的移动设备内容，服务和/或应用时更少的混淆。设备，系统和方法还提供了在开放的远程实用程序提供者模型中改进的用户体验。

5. 发明申请

US20080248779A1 MEDIA CONTENT AND MOBILE DEVICES 审中-公开
标题翻译：媒体内容和移动设备
公开(公告)号：US20080248779A1
公开(公告)日：2008-10-09
申请号：US12054910
申请日：2008-03-25
申请人： Chi Ying Tsui , Ross David Murch , Roger Shu Kwan Cheng , Wai Ho Mow , Vincent Kin Nang Lau
发明人： Chi Ying Tsui , Ross David Murch , Roger Shu Kwan Cheng , Wai Ho Mow , Vincent Kin Nang Lau
IPC分类号： H04M3/42 , H04M15/16
CPC分类号： H04L67/16 , H02J7/0055 , H02J7/025 , H02N2/18
摘要： Methodologies and related devices and systems are provided that facilitate provision, usage, publication, and/or rating of media content by providers and/or users media content. According to one aspect, content preloaded on a mobile device can be activated based on user fulfillment of an access requirement. According to another aspect, a user of a mobile device can publish user associated information to locate substantially matching users. According to a further aspect, users of mobile devices can share and rate content to create a community of aggregated content. Various modifications are provided that facilitate monetizing or incentivizing the described methodologies and related devices and systems.
摘要翻译：提供了方法和相关的设备和系统，其促进提供者和/或用户媒体内容的媒体内容的提供，使用，发布和/或评级。根据一个方面，可以基于用户对访问需求的满足来激活在移动设备上预加载的内容。根据另一方面，移动设备的用户可以发布用户相关联的信息以定位基本上匹配的用户。根据另一方面，移动设备的用户可以共享和评估内容以创建聚合内容的社区。提供了各种修改以便于所描述的方法和相关设备和系统的获利或激励。

6. 发明申请

US20080219366A1 COMBINED RATE AND PRECODER DESIGN FOR SLOW FADING CORRELATED MIMO CHANNELS WITH LIMITED FEEDBACK 审中-公开
标题翻译：具有有限反馈的慢速衰减相关MIMO信道的组合速率和预编码器设计
公开(公告)号：US20080219366A1
公开(公告)日：2008-09-11
申请号：US12039869
申请日：2008-02-29
申请人： Vincent Kin Nang Lau , Bao San Ming Mok
发明人： Vincent Kin Nang Lau , Bao San Ming Mok
IPC分类号： H04K1/10
CPC分类号： H04L1/0001
摘要： System and methodologies are provided herein for joint rate, precoder, and feedback design adaptation and optimization for wireless communication systems. An optimization component as provided herein can implement an integrated framework for joint design of rate, preceding, and feedback partitioning adaptation policies for slow fading and spatially correlated multiple-input multiple-output (MIMO) communication channels with limited feedback. The optimization component can utilize one or more vector quantization (VQ) optimization techniques wherein a feedback strategy and a transmission adaptation strategy are designed to jointly optimize average system goodput (e.g., average bits/second/Hz successfully delivered to a receiver) based on spatial correlation of the communication channels. In one example, a feedback strategy is designed as a channel state information of receiver (CSIR) partition and a transmission adaptation strategy is designed as rate and precoder codebooks.
摘要翻译：本文提供了用于无线通信系统的联合速率，预编码器和反馈设计适应和优化的系统和方法。本文提供的优化组件可以实现用于以有限反馈的慢衰落和空间相关的多输入多输出（MIMO）通信信道的速率，先前和反馈分区适配策略的联合设计的集成框架。优化组件可以利用一个或多个矢量量化（VQ）优化技术，其中反馈策略和传输适应策略被设计为基于空间来共同优化平均系统的吞吐量（例如，平均位/秒/ Hz成功传送到接收机）通信信道的相关性。在一个示例中，反馈策略被设计为接收机（CSIR）分区的信道状态信息，并且传输适配策略被设计为速率和预编码码本。

7. 发明申请

US20120281778A1 DYNAMIC INTERFERENCE ALIGNMENT FOR PARTIALLY CONNECTED QUASI-STATIC MIMO INTERFERENCE CHANNEL 有权
标题翻译：用于部分连接的准静态MIMO干扰信道的动态干扰对齐
公开(公告)号：US20120281778A1
公开(公告)日：2012-11-08
申请号：US13247629
申请日：2011-09-28
申请人： Liangzhong Ruan , Vincent Kin Nang Lau
发明人： Liangzhong Ruan , Vincent Kin Nang Lau
IPC分类号： H04B15/00 , H04B7/02
CPC分类号： H04B7/0617 , H04B1/1081 , H04B7/02 , H04B7/024 , H04B7/0413 , H04B7/0452 , H04B7/0456 , H04B7/0478 , H04B7/0848 , H04B7/15592 , H04B15/00 , H04L25/03891 , H04W52/244 , H04W72/082
摘要： Systems, methods, and apparatus are described that employ specially designed interference patterns to build an in-band side channel without degrading the effective throughput of the main channel. Transmitter and receiver pairs implement a two-stage dynamic interference mitigation scheme based on the partial connections in limited dimension MIMO interference channels. The first stage determines the stream assignments and the subspace constraints for beamforming vectors and zero-forcing vectors based on the partially connected topology such as the path loss, shadowing and spatial correlation. The second stage determines the beamforming vectors and the zero-forcing vectors based on the instantaneous channel state information over the subspaces obtained from the first stage. In an aspect, a controller device implements the first and second stage and assigns the transmitter and receiver pairs to perform interference alignment using the stream assignments and beamforming and zero-forcing vectors respectively.
摘要翻译：描述了采用专门设计的干扰模式来构建带内侧信道而不降低主信道的有效吞吐量的系统，方法和装置。发射机和接收机对基于有限维度MIMO干扰信道中的部分连接实现两阶段动态干扰减轻方案。第一阶段基于部分连接的拓扑（如路径损耗，阴影和空间相关性）来确定波束成形向量和零强制向量的流分配和子空间约束。第二级基于从第一级获得的子空间上的瞬时信道状态信息来确定波束成形向量和迫零向量。在一个方面，控制器设备实现第一和第二阶段，并且分配发射机和接收机对来分别使用流分配和波束形成和迫零向量来执行干扰对准。

8. 发明申请

US20110305189A1 EXPLOITING BUFFERS IN COGNITIVE MULTI-RELAY SYSTEMS FOR DELAY-SENSITIVE APPLICATIONS 审中-公开
标题翻译：用于延迟敏感应用的认知多中继系统中的缓冲区
公开(公告)号：US20110305189A1
公开(公告)日：2011-12-15
申请号：US13115650
申请日：2011-05-25
申请人： Yan Chen , Vincent Kin Nang Lau , Shunqing Zhang , Peiliang Qiu
发明人： Yan Chen , Vincent Kin Nang Lau , Shunqing Zhang , Peiliang Qiu
IPC分类号： H04W40/00 , H04B7/17 , H04B7/14
CPC分类号： H04B7/15592 , H04B7/2606
摘要： Systems, methods, and computer-readable media for exploiting buffers in cognitive multi-relay systems for communicating delay sensitive application are presented herein. A secondary receiver device can select a first proximate relay station based on an assessment of communication links that extend from the first proximate relay station to the secondary receiver, and a secondary transmitter device that selects a second proximate relay station based on an evaluation of communication links that extend from the secondary transmitter and the second proximate relay station, wherein the first proximate relay station is employed by the secondary receiver device to communicate with the secondary transmitter device and the second proximate relay station is utilized by the secondary transmitter to communicate with the secondary receiver.
摘要翻译：本文介绍了用于在认知多中继系统中用于通信延迟敏感应用的缓冲器的系统，方法和计算机可读介质。辅助接收机设备可以基于从第一近邻中继站到辅助接收机的通信链路的评估来选择第一邻近中继站，以及次要发射机设备，其基于通信链路的评估来选择第二邻近中继站其从所述次发射机和所述第二近邻中继站延伸，其中所述辅助接收机设备采用所述第一邻近中继站与所述辅助发射机设备进行通信，并且所述第二邻近中继站由所述辅助发射机利用以与所述辅助发射机进行通信接收器。

9. 发明申请

US20090207768A1 OPTIMAL CROSS-LAYER SCHEDULING FOR MULTI-USER COMMUNICATION SYSTEMS WITH IMPERFECT CHANNEL STATE INFORMATION AND UNKNOWN INTERFERENCE 审中-公开
标题翻译：用于具有不正确的信道状态信息和未知干扰的多用户通信系统的最佳跨层次调度
公开(公告)号：US20090207768A1
公开(公告)日：2009-08-20
申请号：US12033664
申请日：2008-02-19
申请人： Rui Wang , Vincent Kin Nang Lau
发明人： Rui Wang , Vincent Kin Nang Lau
IPC分类号： G08C17/00 , H04L27/28 , H04J3/00
CPC分类号： H04L5/0037 , H04L1/0002 , H04L1/16 , H04L5/0044 , H04W72/1226 , H04W72/1289
摘要： The disclosed subject matter provides scheduling algorithms, methods, and systems that facilitate cross layer scheduling for systems with imperfect channel state information and unknown interference. By exploiting ACK/NAK feedback from users of downlink traffic and recursively optimizing scheduling policy components over a state space, the disclosed subject matter provide robust and optimal cross layer scheduling in the presence of unknown interference and imperfect channel state information. The disclosed details enable various refinements and modifications according to cross layer schedule and system design considerations.
摘要翻译：所公开的主题提供了对具有不完美信道状态信息和未知干扰的系统有利于跨层调度的调度算法，方法和系统。通过利用来自下行链路业务的用户的ACK / NAK反馈并且在状态空间上递归优化调度策略组件，所公开的主题在存在未知干扰和不完美信道状态信息的情况下提供鲁棒且最佳的跨层调度。所公开的细节可以根据跨层计划和系统设计考虑进行各种改进和修改。

10. 发明申请

US20090190536A1 RESOURCE ALLOCATION FOR OFDMA SYSTEMS WITH HALF-DUPLEX RELAY(S) AND CORRESPONDING TRANSMISSION PROTOCOL 有权
标题翻译：资源分配与双工中继的OFDMA系统和相应的传输协议
公开(公告)号：US20090190536A1
公开(公告)日：2009-07-30
申请号：US12020781
申请日：2008-01-28
申请人： Edward Shunqing Zhang , Vincent Kin Nang Lau
发明人： Edward Shunqing Zhang , Vincent Kin Nang Lau
IPC分类号： H04Q7/00
CPC分类号： H04W16/26 , H04B7/15592 , H04W72/08 , H04W84/047 , H04W84/08
摘要： A transmission protocol is provided for wireless communications in an OFDMA system that uses a rateless code and techniques are provided for dynamically adjusting the subcarrier resources allocated to an OFDMA relay node so that the relay is used at the right time according to the instantaneous channel state information (CSI). As a result, a higher throughput is achieved between source and destination nodes based on a low complexity algorithm for determining when relay assistance is helpful for completing a transmission between the source and destination nodes.
摘要翻译：在使用无码代码的OFDMA系统中提供用于无线通信的传输协议，并且提供技术来动态地调整分配给OFDMA中继节点的子载波资源，使得根据瞬时信道状态信息在适当的时间使用中继（CSI）。因此，基于用于确定何时中继帮助有助于完成源节点和目的地节点之间的传输的低复杂性算法，在源节点和目的节点之间实现更高的吞吐量。

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