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    • 3. 发明授权
    • Dynamic management of receiver resources
    • 接收资源的动态管理
    • US08369356B2
    • 2013-02-05
    • US12042834
    • 2008-03-05
    • Ming-Chang TsaiJames J. WuPillappakkam SrinivasRic SeniorVinayak Chowdiah
    • Ming-Chang TsaiJames J. WuPillappakkam SrinivasRic SeniorVinayak Chowdiah
    • H04J3/16
    • H04L27/00
    • Techniques for dynamically managing receiver resources to achieve good latency and throughput performance are described. A receiver may have various types of receiver resources such as demod resources for demodulating packets, decode resources for decoding packets, packet processing resources, etc. These various types of receiver resources may be dynamically assigned to packets. In one design, receiver resource usage by each packet to be processed by the receiver may be estimated. The available receiver resources may be assigned to packets based on the estimated receiver resource usage by each packet and one or more assignment criteria such as priority, latency requirements, etc. The latency of each packet may be determined based on the receiver resource assignment. If the latency requirements of any packet are not met, then receiver processing may be skipped or deferred for one or more packets such that the latency requirements of each packet to be processed can be met.
    • 描述了用于动态管理接收机资源以实现良好延迟和吞吐量性能的技术。 接收机可以具有各种类型的接收机资源,例如用于解调分组的解调资源,用于解码分组的解码资源,分组处理资源等。这些各种类型的接收机资源可以动态地分配给分组。 在一种设计中,可以估计由接收机处理的每个分组的接收机资源使用。 可以基于每个分组的估计的接收机资源使用和一个或多个分配标准(例如优先级,等待时间要求等)将可用的接收机资源分配给分组。可以基于接收机资源分配来确定每个分组的等待时间。 如果不满足任何分组的等待时间要求,则可以针对一个或多个分组跳过或延迟接收机处理,从而可以满足要处理的每个分组的等待时间要求。
    • 5. 发明授权
    • Motion-aware mobile time and frequency tracking
    • 运动感知移动时间和频率跟踪
    • US07957343B2
    • 2011-06-07
    • US12261648
    • 2008-10-30
    • Ming-Chang TsaiJigneshkumar ShahKanu Chadha
    • Ming-Chang TsaiJigneshkumar ShahKanu Chadha
    • H04W56/00H04L7/00H04J11/00
    • H04B7/2675H04W56/0035H04W56/0045
    • A method is provided for compensating for clock drift error and movement error of an access terminal. A forward link error is obtained that is attributable to at least a first error (e.g., clock drift error) component and a second error (e.g., movement error) component. The first error component and the second error component are estimated based on the obtained forward link error. A receive clock of the access terminal is compensated based on a combination of the first error component and the second error component. A transmit clock of the access terminal is compensated based on a difference between the first error component and the second error component. The forward link error may include a timing synchronization error between the access terminal and an access point as well as a frequency synchronization error between a forward link frequency and a baseband reference frequency.
    • 提供了一种用于补偿接入终端的时钟漂移误差和移动误差的方法。 获得可归因于至少第一误差(例如,时钟漂移误差)分量和第二误差(例如,运动误差)分量的前向链路误差。 基于获得的前向链路误差来估计第一误差分量和第二误差分量。 基于第一误差分量和第二误差分量的组合来补偿接入终端的接收时钟。 基于第一误差分量和第二误差分量之间的差异来补偿接入终端的传输时钟。 前向链路错误可以包括接入终端和接入点之间的定时同步误差以及正向链路频率和基带参考频率之间的频率同步误差。
    • 7. 发明申请
    • PACKET DECODING FOR H-ARQ TRANSMISSION
    • H-ARQ传输的分组解码
    • US20090207818A1
    • 2009-08-20
    • US12033875
    • 2008-02-19
    • Ming-Chang TsaiVinayak ChowdiahWeihong Jing
    • Ming-Chang TsaiVinayak ChowdiahWeihong Jing
    • H04Q7/24
    • H04L1/1832H04L1/0052H04L1/1812
    • Techniques for efficiently decoding packets sent with H-ARQ are described. Packet decoding for H-ARQ may be performed based on local search around a start of packet (SOP) decision for a packet. The SOP decision for the packet may be made based on traffic detection results for received transmissions. At least one SOP hypothesis may be determined for the packet based on the SOP decision, and the received transmissions may be decoded based on the at least one SOP hypothesis. A sliding SOP window may be used to keep track of SOP hypotheses for the packet. The sliding window may be initialized at an earliest received transmission, moved forward for each subsequent received transmission with no detected packet data, and maintained at the first received transmission with detected traffic. Rotating buffers may be used to store received transmissions for packets for decoding.
    • 描述了用H-ARQ发送的分组的有效解码技术。 可以基于关于分组的分组开始(SOP)决定的本地搜索来执行用于H-ARQ的分组解码。 可以基于接收到的传输的业务检测结果来对分组进行SOP决定。 可以基于SOP决定为分组确定至少一个SOP假设,并且可以基于至少一个SOP假设来解码所接收的传输。 可以使用滑动SOP窗口来跟踪分组的SOP假设。 滑动窗口可以在最早接收到的传输下被初始化,对于每个随后的接收到的传输而向前移动,没有检测到的分组数据,并且在检测到的业务量下保持在第一个接收到的传输。 旋转缓冲器可以用于存储用于解码的分组的接收的传输。
    • 9. 发明申请
    • DYNAMIC MANAGEMENT OF RECEIVER RESOURCES
    • 接收资源的动态管理
    • US20080232400A1
    • 2008-09-25
    • US12042834
    • 2008-03-05
    • Ming-Chang TsaiJames J. WuPhillappakkam SrinivasRic SeniorVinayak Chowdiah
    • Ming-Chang TsaiJames J. WuPhillappakkam SrinivasRic SeniorVinayak Chowdiah
    • H04J3/16
    • H04L27/00
    • Techniques for dynamically managing receiver resources to achieve good latency and throughput performance are described. A receiver may have various types of receiver resources such as demod resources for demodulating packets, decode resources for decoding packets, packet processing resources, etc. These various types of receiver resources may be dynamically assigned to packets. In one design, receiver resource usage by each packet to be processed by the receiver may be estimated. The available receiver resources may be assigned to packets based on the estimated receiver resource usage by each packet and one or more assignment criteria such as priority, latency requirements, etc. The latency of each packet may be determined based on the receiver resource assignment. If the latency requirements of any packet are not met, then receiver processing may be skipped or deferred for one or more packets such that the latency requirements of each packet to be processed can be met.
    • 描述了用于动态管理接收机资源以实现良好延迟和吞吐量性能的技术。 接收机可以具有各种类型的接收机资源,例如用于解调分组的解调资源,用于解码分组的解码资源,分组处理资源等。这些各种类型的接收机资源可以动态地分配给分组。 在一种设计中,可以估计由接收机处理的每个分组的接收机资源使用。 可以基于每个分组的估计的接收机资源使用和一个或多个分配标准(例如优先级,等待时间要求等)将可用接收机资源分配给分组。可以基于接收机资源分配来确定每个分组的等待时间。 如果不满足任何分组的等待时间要求,则可以针对一个或多个分组跳过或延迟接收机处理,从而可以满足要处理的每个分组的等待时间要求。