Radius adaptive sphere decoding with probabilistic noise constraint
    21.
    发明授权
    Radius adaptive sphere decoding with probabilistic noise constraint 有权
    具有概率噪声约束的半径自适应球体解码

    公开(公告)号:US08290096B2

    公开(公告)日:2012-10-16

    申请号:US12102803

    申请日:2008-04-14

    IPC分类号: H04L27/06

    CPC分类号: H04L25/03242 H04L25/03197

    摘要: Method and apparatus for decoding code words received over a communication channel are disclosed. A radius-adaptive sphere decoding methodology reduces the number of operations in sphere-constrained search. Imposing probabilistic noise constraint on top of sphere constraint, particularly at an early stage, provides a more stringent necessary condition. Hence, many branches that are unlikely to be selected are removed in the early stage of sphere search. The trade-off between computational complexity and performance can be controlled by adjusting the pruning probability.

    摘要翻译: 公开了一种用于解码通过通信信道接收的码字的方法和装置。 半径自适应球体解码方法减少了球面约束搜索中的操作次数。 特别是在早期阶段,将概率性噪声约束强加在球体约束之上,提供了更严格的必要条件。 因此,不可能选择的许多分支在球搜索的早期阶段被去除。 可以通过调整修剪概率来控制计算复杂度和性能之间的折衷。

    SYSTEMS AND METHODS OF CLASSIFYING AND DECODING WIRELESS SIGNALS
    22.
    发明申请
    SYSTEMS AND METHODS OF CLASSIFYING AND DECODING WIRELESS SIGNALS 审中-公开
    分类和解码无线信号的系统和方法

    公开(公告)号:US20100172443A1

    公开(公告)日:2010-07-08

    申请号:US12683406

    申请日:2010-01-06

    IPC分类号: H04L27/06

    摘要: Systems and methods of classifying and decoding wireless signals are disclosed. A receiver may receive wireless signals from multiple transmitters. The receiver may use sphere decoding to classify the wireless signals (e.g., determine the modulation scheme of the wireless signals) and decode the wireless signals (e.g., determine the symbol and/or symbols transmitted using the wireless signals).

    摘要翻译: 公开了对无线信号进行分类和解码的系统和方法。 接收机可以从多个发射机接收无线信号。 接收机可以使用球体解码来分类无线信号(例如,确定无线信号的调制方案)并对无线信号进行解码(例如,确定使用无线信号发送的符号和/或符号)。

    RADIUS ADAPTIVE SPHERE DECODING WITH PROBABILISTIC NOISE CONSTRAINT
    23.
    发明申请
    RADIUS ADAPTIVE SPHERE DECODING WITH PROBABILISTIC NOISE CONSTRAINT 有权
    RADIUS自适应空间解调与概率噪声约束

    公开(公告)号:US20090257530A1

    公开(公告)日:2009-10-15

    申请号:US12102803

    申请日:2008-04-14

    IPC分类号: H04L27/06

    CPC分类号: H04L25/03242 H04L25/03197

    摘要: Method and apparatus for decoding code words received over a communication channel are disclosed. A radius-adaptive sphere decoding methodology reduces the number of operations in sphere-constrained search. Imposing probabilistic noise constraint on top of sphere constraint, particularly at an early stage, provides a more stringent necessary condition. Hence, many branches that are unlikely to be selected are removed in the early stage of sphere search. The trade-off between computational complexity and performance can be controlled by adjusting the pruning probability.

    摘要翻译: 公开了一种用于解码通过通信信道接收的码字的方法和装置。 半径自适应球体解码方法减少了球面约束搜索中的操作次数。 特别是在早期阶段,将概率性噪声约束强加在球体约束之上,提供了更严格的必要条件。 因此,不可能选择的许多分支在球搜索的早期阶段被去除。 可以通过调整修剪概率来控制计算复杂度和性能之间的折衷。

    Variable bandwidth automatic gain control
    24.
    发明授权
    Variable bandwidth automatic gain control 有权
    可变带宽自动增益控制

    公开(公告)号:US07596193B2

    公开(公告)日:2009-09-29

    申请号:US11369313

    申请日:2006-03-06

    IPC分类号: H04L27/08 H04B7/00

    CPC分类号: H03G3/3078

    摘要: Provided is automatic gain control (AGC) in which a feedback filter has a parameter that is changed based on information regarding data-packet boundaries. In one representative embodiment, the bandwidth of the filter temporarily is increased, or the time constant of the AGC filter temporarily is decreased, within a vicinity of each actual or potential packet boundary.

    摘要翻译: 提供了一种自动增益控制(AGC),其中反馈滤波器具有基于关于数据分组边界的信息而改变的参数。 在一个代表性的实施例中,在每个实际或可能的分组边界的附近,暂时增加滤波器的带宽,或者AGC滤波器的时间常数减小。

    Digital Implementation of Fractional Exponentiation
    25.
    发明申请
    Digital Implementation of Fractional Exponentiation 失效
    分数指数的数字实现

    公开(公告)号:US20070282936A1

    公开(公告)日:2007-12-06

    申请号:US11421425

    申请日:2006-05-31

    IPC分类号: G06F1/02

    CPC分类号: G06F7/556

    摘要: Provided are digital processing apparatuses and techniques for estimating the fractional exponentiation of the base number 2, i.e., 2f where f is a fractional value. In one representative embodiment, a calculation is made of a folded quantity, which is equal to 1−f if f is greater than a specified threshold and is equal to f otherwise; then, a function of the folded quantity is calculated; and finally, the function of the folded quantity is subtracted from the fraction f and 1 is added. In another embodiment, 2f is approximated by calculating 1+f′ in the binary numbering system.

    摘要翻译: 提供了用于估计基数2的分数取幂的数字处理装置和技术,即,f是小数值。 在一个代表性实施例中,计算折叠量,如果f大于指定阈值,则等于1-f,否则等于f; 然后,计算折叠量的函数; 最后,从分数f中减去折叠量的函数,加入1。 在另一个实施例中,通过在二进制编号系统中计算1 + f'来近似2f。

    ITERATIVE CHANNEL PREDICTION
    26.
    发明申请
    ITERATIVE CHANNEL PREDICTION 失效
    迭代通道预测

    公开(公告)号:US20070064840A1

    公开(公告)日:2007-03-22

    申请号:US11533382

    申请日:2006-09-20

    申请人: Insung Kang Yunho Lee

    发明人: Insung Kang Yunho Lee

    IPC分类号: H04L27/06

    CPC分类号: H04L25/023 H04L25/024

    摘要: Provided are systems, methods and techniques for predicting a communication channel parameter. In one representative embodiment, values of a communication channel parameter are estimated at a plurality of previous points in time, values are predicted for the communication channel parameter at a plurality of such previous points in time, using a plurality of the channel estimates, and then the channel estimates are updated using the predictions, with the latter prediction and estimation steps being repeated until a specified condition has been satisfied.

    摘要翻译: 提供了用于预测通信信道参数的系统,方法和技术。 在一个代表性实施例中,在多个先前时间点估计通信信道参数的值,使用多个信道估计在多个这样的先前先前时间点预测通信信道参数的值,然后 使用预测来更新信道估计,其中后一个预测和估计步骤被重复,直到已经满足指定的条件。

    Walsh mask test in CDMA cellular wireless communication systems with packet data service
    27.
    发明申请
    Walsh mask test in CDMA cellular wireless communication systems with packet data service 有权
    在具有分组数据业务的CDMA蜂窝无线通信系统中的沃尔什面具测试

    公开(公告)号:US20060274639A1

    公开(公告)日:2006-12-07

    申请号:US11142771

    申请日:2005-06-01

    IPC分类号: H04J11/00 H04B7/216

    摘要: A mobile station comprising a decoder circuit and a control circuit. The decoder circuit may be configured to retrieve mask information from a packet data control channel. The control circuit may be configured to (i) determine whether the mask information is valid and (ii) when the mask information is valid, update a current mask of the mobile station with the mask information.

    摘要翻译: 一种包括解码器电路和控制电路的移动站。 解码器电路可以被配置为从分组数据控制信道中检索掩码信息。 控制电路可以被配置为(i)确定掩码信息是否有效,以及(ii)当掩码信息有效时,使用掩码信息来更新移动站的当前掩码。

    Joint special burst and transport format combination index (TFCI) detection
    29.
    发明授权
    Joint special burst and transport format combination index (TFCI) detection 失效
    联合特殊突发和传输格式组合指标(TFCI)检测

    公开(公告)号:US08693590B2

    公开(公告)日:2014-04-08

    申请号:US13477957

    申请日:2012-05-22

    IPC分类号: H03D1/00

    CPC分类号: H04L1/0025

    摘要: To detect a special burst sequence, a cross correlation (C) is compared to a square root of an estimated noise variance (σ) in conjunction with a threshold value (Th). In one aspect of the disclosure, the threshold value may include multiple threshold values. The multiple threshold values may be compared to an intensity or level of a special burst metric (C/σ) to facilitate determination of the special burst sequence. For example, when a special burst metric C/σ is greater than a second threshold value (Th2) it may be determined that a special burst sequence exists. However, when the special burst metric C/σ is greater than a first threshold value (Th1), but less than the second threshold metric (Th2), it may be determined that detection of a special burst is unclear. In this case, a TFCI value may be used to confirm whether a special burst is detected.

    摘要翻译: 为了检测特殊的突发序列,将互相关(C)与估计噪声方差(&sgr)的平方根结合阈值(Th)进行比较。 在本公开的一个方面,阈值可以包括多个阈值。 可以将多个阈值与特殊突发度量(C / s)的强度或电平进行比较,以便于确定特殊突发序列。 例如,当一个特殊的突发度量C / 大于第二阈值(Th2)时,可以确定存在特殊突发序列。 然而,当特殊突发量度标准C / 大于第一阈值(Th1)但小于第二阈值度量(Th2)时,可以确定特殊突发的检测不清楚。 在这种情况下,可以使用TFCI值来确认是否检测到特殊突发。

    CHANNEL QUALITY REPORTING
    30.
    发明申请
    CHANNEL QUALITY REPORTING 审中-公开
    渠道质量报告

    公开(公告)号:US20130329575A1

    公开(公告)日:2013-12-12

    申请号:US13491379

    申请日:2012-06-07

    IPC分类号: H04W24/10

    摘要: In certain communication systems, such as TD-HSDPA communications, channel quality index (CQI) reporting is based on a predetermined configuration, such as a mobile device (UE) reporting a CQI for a most recently received data transmission. This configuration may lead to errors if a UE reports a CQI for a certain data transmission but the base station (node B) believes the CQI corresponds to a different data transmission, such as a later transmission the UE never received due to an error processing control channel information. Offered is an indicator to accompany CQI reports. The indicator indicates to the node B which communication resource corresponds to the CQI report.

    摘要翻译: 在诸如TD-HSDPA通信的某些通信系统中,信道质量指数(CQI)报告基于诸如报告用于最近接收的数据传输的CQI的移动设备(UE)的预定配置。 如果UE报告用于特定数据传输的CQI,但是基站(节点B)认为CQI对应于不同的数据传输,例如UE由于错误处理控制而从未接收到的稍后传输,则该配置可能导致错误 频道资讯。 提供的是CQI报告的指标。 指示符向节点B指示哪个通信资源对应于CQI报告。