Table based link adaption for wireless communication transmissions with one codeword
    1.
    发明授权
    Table based link adaption for wireless communication transmissions with one codeword 有权
    用于具有一个码字的无线通信传输的基于表的链路适配

    公开(公告)号:US08761108B2

    公开(公告)日:2014-06-24

    申请号:US13532144

    申请日:2012-06-25

    IPC分类号: H04W4/00

    摘要: A radio resource management method is provided. Data for transmission is stored. The stored data is associated with user equipment (UE). A channel quality is estimated. A first modulation and coding scheme (MCS) is determined based at least in part on the estimated channel quality. A first number of scheduling blocks (SBs) required to transmit the stored data is determined based at least in part on the first MCS. The first number of SBs are a minimum of an initial number of SBs and available amount of SBs. A link quality is calculated based at least in part on a channel condition associated with the first number of SBs. A second MCS is determined based at least in part on the calculated link quality and a link quality requirement.

    摘要翻译: 提供无线资源管理方法。 存储用于传输的数据。 存储的数据与用户设备(UE)相关联。 估计通道质量。 至少部分地基于估计的信道质量来确定第一调制和编码方案(MCS)。 至少部分地基于第一MCS确定发送存储的数据所需的调度块(SB)的第一数量。 SB的第一个数量是SB的初始数量和SB的可用量的最小值。 至少部分地基于与第一数量的SB相关联的信道条件来计算链路质量。 至少部分地基于所计算的链路质量和链路质量要求来确定第二MCS。

    Methods and apparatus for link adaptation for single user and multi-user MIMO
    2.
    发明授权
    Methods and apparatus for link adaptation for single user and multi-user MIMO 有权
    用于单用户和多用户MIMO的链路自适应的方法和装置

    公开(公告)号:US09014135B2

    公开(公告)日:2015-04-21

    申请号:US13342650

    申请日:2012-01-03

    摘要: Methods of performing link adaptation in a wireless communication system for simultaneous transmission of codewords include selecting initial modulation and coding scheme (MCS) levels for the codewords, estimating a size ratio of the codewords, determining a number of scheduling blocks (SB) for the codewords with the initial MCS levels, and determining revised MCS levels for the codewords in response to the determined number of SBs. Transport block sizes are computed for the codewords, and it is determined if there is a need to increase the number of scheduling blocks in at least one of the codewords. If there is a need to increase the number of scheduling blocks in a codeword, scheduling blocks are added to the codeword, and the transport block size for the codeword is recomputed. The codewords are then simultaneously transmitted over different multiple input-multiple output (MIMO) communication channels using the same time and frequency resources.

    摘要翻译: 在用于码字的同时传输的无线通信系统中执行链路自适应的方法包括为码字选择初始调制和编码方案(MCS)级别,估计码字的大小比,确定码字的调度块数量(SB) 并且响应于所确定的SB数量确定码字的修改的MCS级别。 为码字计算传输块大小,并且确定是否需要增加至少一个码字中的调度块的数量。 如果需要增加码字中的调度块的数量,则将调度块添加到码字,并重新计算码字的传输块大小。 然后使用相同的时间和频率资源在不同的多输入多输出(MIMO)通信信道上同时发送码字。

    Methods and Apparatus for Link Adaptation for Single User and Multi-User Mimo
    3.
    发明申请
    Methods and Apparatus for Link Adaptation for Single User and Multi-User Mimo 有权
    用于单用户和多用户Mimo的链路适配的方法和装置

    公开(公告)号:US20130170469A1

    公开(公告)日:2013-07-04

    申请号:US13342650

    申请日:2012-01-03

    IPC分类号: H04W72/04 H04W72/08

    摘要: Methods of performing link adaptation in a wireless communication system for simultaneous transmission of codewords include selecting initial modulation and coding scheme (MCS) levels for the codewords, estimating a size ratio of the codewords, determining a number of scheduling blocks (SB) for the codewords with the initial MCS levels, and determining revised MCS levels for the codewords in response to the determined number of SBs. Transport block sizes are computed for the codewords, and it is determined if there is a need to increase the number of scheduling blocks in at least one of the codewords. If there is a need to increase the number of scheduling blocks in a codeword, scheduling blocks are added to the codeword, and the transport block size for the codeword is recomputed. The codewords are then simultaneously transmitted over different multiple input-multiple output (MIMO) communication channels using the same time and frequency resources.

    摘要翻译: 在用于码字的同时传输的无线通信系统中执行链路自适应的方法包括为码字选择初始调制和编码方案(MCS)级别,估计码字的大小比,确定码字的调度块数量(SB) 并且响应于所确定的SB数量确定码字的修改的MCS级别。 为码字计算传输块大小,并且确定是否需要增加至少一个码字中的调度块的数量。 如果需要增加码字中的调度块的数量,则将调度块添加到码字,并重新计算码字的传输块大小。 然后使用相同的时间和频率资源在不同的多输入多输出(MIMO)通信信道上同时发送码字。

    ADAPTIVE MODULATION AND CODING SCHEME ADJUSTMENT IN WIRELESS NETWORKS
    4.
    发明申请
    ADAPTIVE MODULATION AND CODING SCHEME ADJUSTMENT IN WIRELESS NETWORKS 审中-公开
    无线网络中的自适应调制和编码方案调整

    公开(公告)号:US20130028307A1

    公开(公告)日:2013-01-31

    申请号:US13616552

    申请日:2012-09-14

    IPC分类号: H04B17/00

    摘要: In a method of adjusting a modulation and coding scheme (MCS) level for a transmission on a communication channel between a base station and a mobile terminal, at the base station: a target value for an error metric is defined; the error metric is measured; an MCS offset based on a degree of deviation of the measurement of the error metric from the target value is determined; an indication of a channel quality measurement for the communication channel is received from the mobile terminal; a pre-adjusted MCS level corresponding to the indication of the channel quality measurement is determined using a fixed mapping between a set of channel quality levels and a corresponding set of MCS levels; an adjusted MCS level is determined by adding the MCS offset to the pre-adjusted MCS level; and the adjusted MCS level is assigned to the transmission.

    摘要翻译: 在基站和移动终端之间的通信信道上进行传输调制和编码方案(MCS)级别的方法中,在基站处:定义误差量度的目标值; 测量误差度量; 确定基于误差度量的测量与目标值的偏差程度的MCS偏移; 从移动终端接收通信信道的信道质量测量的指示; 使用在一组信道质量级别和相应的MCS级别集合之间的固定映射来确定与信道质量测量的指示相对应的预先调整的MCS级别; 通过将MCS偏移量与预先调整的MCS级别相加来确定调整后的MCS级别; 并且调整后的MCS级别被分配给传输。

    ADAPTIVE MODULATION AND CODING SCHEME ADJUSTMENT IN WIRELESS NETWORKS
    5.
    发明申请
    ADAPTIVE MODULATION AND CODING SCHEME ADJUSTMENT IN WIRELESS NETWORKS 审中-公开
    无线网络中的自适应调制和编码方案调整

    公开(公告)号:US20120276896A1

    公开(公告)日:2012-11-01

    申请号:US13394754

    申请日:2010-09-15

    IPC分类号: H04W24/02

    摘要: In a method of adjusting a modulation and coding scheme (MCS) level for a transmission on a communication channel between a base station and a mobile terminal, at the base station: a target value for an error metric is defined; the error metric is measured; an MCS offset based on a degree of deviation of the measurement of the error metric from the target value is determined; an indication of a channel quality measurement for the communication channel is received from the mobile terminal; a pre-adjusted MCS level corresponding to the indication of the channel quality measurement is determined using a fixed mapping between a set of channel quality levels and a corresponding set of MCS levels; an adjusted MCS level is determined by adding the MCS offset to the pre-adjusted MCS level; and the adjusted MCS level is assigned to the transmission.

    摘要翻译: 在基站和移动终端之间的通信信道上进行传输的调制和编码方案(MCS)级别的调整方法中,在基站处:定义误差量度的目标值; 测量误差度量; 确定基于误差度量的测量与目标值的偏差程度的MCS偏移量; 从移动终端接收通信信道的信道质量测量的指示; 使用在一组信道质量级别和相应的MCS级别集合之间的固定映射来确定与信道质量测量的指示相对应的预先调整的MCS级别; 通过将MCS偏移量与预先调整的MCS级别相加来确定调整后的MCS级别; 并且调整后的MCS级别被分配给传输。

    Detector and detecting system for protecting transmission line therein

    公开(公告)号:US11493455B1

    公开(公告)日:2022-11-08

    申请号:US17541206

    申请日:2021-12-02

    申请人: Ping Yu

    发明人: Ping Yu

    IPC分类号: G01N21/954 H04N5/225

    摘要: The present disclosure may relate to a detector and a detecting system. The detector may include a probe, a first connector connected to the probe, a second connector configured to connect to an external apparatus, an elastic member arranged between and connected to the first connector and the second connector, a transmission line and a flexible protector. An end of the transmission line may pass through the first connector and connect with the probe. The other end of the transmission line may connect with the second connector. An end of the flexible protector may be connected to the first connector. The other end of the flexible protector may be connected to the second connector. The length of the flexible protector may be greater than that of the elastic member in its natural state, and less than that of the transmission line between the first connector and the second connector.

    Lossless video data compressor with very high data rate
    10.
    发明授权
    Lossless video data compressor with very high data rate 有权
    无损视频数据压缩器具有非常高的数据速率

    公开(公告)号:US07548658B1

    公开(公告)日:2009-06-16

    申请号:US10670415

    申请日:2003-09-24

    IPC分类号: G06K9/46

    摘要: Lossless video data compression is performed in real time at the data rate of incoming real time video data in a process employing a minimum number of computational steps for each video pixel. A first step is to convert each pixel 8-bit byte to a difference byte representing the difference between the pixel and its immediate predecessor in a serialized stream of the pixel bytes. Thus, each 8-bit pixel byte is subtracted from its predecessor. This step reduces the dynamic range of the data. A next step is to discard any carry bits generated in the subtraction process of two's complement arithmetic. This reduces the data by a factor of two. Finally, the 8-bit difference pixel bytes thus produced are subject to a maximum entropy encoding process. Such a maximum entropy encoding process may be referred to as a minimum length encoding process. One example is Huffman encoding. In such an encoding process, a code table for the entire video frame is constructed, in which a set of minimum length symbols are correlated to the set of difference pixel bytes comprising the video frame, the more frequently occurring bytes being assigned to the shorter minimum length symbols. This code table is then employed to convert the all of the difference pixel bytes of the entire video frame to minimum length symbols.

    摘要翻译: 在采用每个视频像素的最小数量的计算步骤的过程中,以传入的实时视频数据的数据速率实时地执行无损视频数据压缩。 第一步是将每个像素8位字节转换为表示像素字节的串行化流中像素与其直接前导之间的差异的差异字节。 因此,每个8位像素字节从其前身中减去。 此步骤减少了数据的动态范围。 下一步是丢弃在二进制补码运算的减法过程中产生的进位位。 这将数据减少一倍。 最后,由此产生的8位差分像素字节经受最大熵编码处理。 这样的最大熵编码处理可以被称为最小长度编码处理。 一个例子是霍夫曼编码。 在这样的编码处理中,构成整个视频帧的码表,其中一组最小长度符号与包括视频帧的差分像素字节集合相关,更频繁地发生的字节被分配给较短的最小值 长度符号。 然后使用该代码表将整个视频帧的所有差异像素字节转换为最小长度符号。