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    METHOD AND SYSTEM FOR ESTIMATING AND COMPENSATING FOR DIRECT CURRENT (DC) OFFSET IN ULTRA-LOW POWER (ULP) RECEIVER
    2.
    发明申请
    METHOD AND SYSTEM FOR ESTIMATING AND COMPENSATING FOR DIRECT CURRENT (DC) OFFSET IN ULTRA-LOW POWER (ULP) RECEIVER 有权
    用于在超低功耗（ULP）接收机中直接电流（DC）偏移的估计和补偿的方法和系统

    公开(公告)号：US20160234046A1

    公开(公告)日：2016-08-11

    申请号：US14840524

    申请日：2015-08-31

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jinesh P. NAIR ,  Ashutosh Deepak Gore ,  Kiran BYNAM ,  ChangSoon PARK ,  Seokju YUN ,  Young-Jun HONG ,  Manoj CHOUDHARY

    IPC: H04L25/06

    CPC classification number: H04L25/061

    Abstract: Provided is a method of estimating a Direct Current (DC) offset in an Ultra-Low Power (ULP) receiver. The method includes receiving a signal from an output of an Analog to Digital Converter (ADC) in the ULP receiver. The signal includes a correlated variable DC component for at least one of an in-phase arm and a quadrature arm of the ULP receiver. The method also includes estimating a DC offset compensation parameter in a plurality of phases for a plurality of stages based on the received signal such that the estimating includes calculating the DC offset compensation parameter in a magnitude estimation phase for the plurality of stages and calculating the DC offset compensation parameter in a sign estimation phase for the plurality of stages.

    Abstract translation: 提供了一种在超低功耗（ULP）接收机中估计直流（DC）偏移的方法。 该方法包括从ULP接收机中的模数转换器（ADC）的输出接收信号。 该信号包括用于ULP接收机的同相臂和正交臂中的至少一个的相关可变直流分量。 该方法还包括基于所接收的信号来估计多个阶段的多个相位中的DC偏移补偿参数，使得估计包括在多级的幅度估计阶段中计算DC偏移补偿参数并计算DC 在多个阶段的符号估计阶段中的偏移补偿参数。

    METHOD AND APPARATUS FOR GENERATING ORTHOGONAL CODES WITH WIDE RANGE OF SPREADING FACTOR
    3.
    发明申请
    METHOD AND APPARATUS FOR GENERATING ORTHOGONAL CODES WITH WIDE RANGE OF SPREADING FACTOR 有权
    用于产生具有宽范围扩张因子的正交代码的方法和装置

    公开(公告)号：US20150063424A1

    公开(公告)日：2015-03-05

    申请号：US14474771

    申请日：2014-09-02

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Sujit JOS ,  Jinesh P. NAIR

    IPC: H04B1/69 ,  H04L7/00

    CPC classification number: H04B1/69 ,  H04J13/12 ,  H04L7/0091

    Abstract: Provided is a method of generating an orthogonal set in a quasi-synchronous spread spectrum system, the method including selecting a two-level autocorrelation sequence at a sequence selector, selecting a first indices set and a second indices set from the two-level autocorrelation sequence, and generating two quasi-orthogonal sets using the first indices set and the second indices set, at an orthogonal code generator.

    Abstract translation: 提供了一种在准同步扩频系统中生成正交集合的方法，该方法包括：在序列选择器中选择二级自相关序列，从两级自相关序列中选择第一索引集和第二索引集 并且在正交码发生器处使用第一索引集合和第二索引集合生成两个准正交集合。

    TRAINING SEQUENCES AND CHANNEL ESTIMATION METHOD FOR SPREAD SPECTRUM BASED SYSTEMS
    4.
    发明申请
    TRAINING SEQUENCES AND CHANNEL ESTIMATION METHOD FOR SPREAD SPECTRUM BASED SYSTEMS 有权
    基于传播频谱的系统的训练序列和信道估计方法

    公开(公告)号：US20140056331A1

    公开(公告)日：2014-02-27

    申请号：US13964305

    申请日：2013-08-12

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Jinesh P. NAIR ,  Sujit JOS

    IPC: H04B1/707

    CPC classification number: H04B1/707 ,  H03M13/005 ,  H04J13/004 ,  H04L1/0003

    Abstract: A method of a transmitter, includes multiplying a data sequence by a first code, and multiplying a training sequence by a second code that is orthogonal to the first code. The method further includes adding the multiplied data and training sequences, and transmitting, to a receiver, the added data and training sequences.

    Abstract translation: 一种发射机的方法，包括将数据序列乘以第一码，并将训练序列乘以与第一码正交的第二码。 该方法还包括相加的数据和训练序列的相加，以及向接收机发送所添加的数据和训练序列。

    METHOD AND APPARATUS FOR GENERATING PAIR OF ORTHOGONAL SETS WITH WIDE RANGE OF SPREADING FACTORS
    7.
    发明申请
    METHOD AND APPARATUS FOR GENERATING PAIR OF ORTHOGONAL SETS WITH WIDE RANGE OF SPREADING FACTORS 有权
    用于产生具有宽范围扩张因子的正交组对的方法和装置

    公开(公告)号：US20140023119A1

    公开(公告)日：2014-01-23

    申请号：US14034178

    申请日：2013-09-23

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Sujit JOS ,  Jinesh P. NAIR

    IPC: H04B1/709

    CPC classification number: H04B1/709 ,  H04J13/12

    Abstract: A method of generating a pair of orthogonal sets with a spreading factor N for a direct sequence spread spectrum communication system, includes selecting a two-level autocorrelation sequence of a period of N−1, the two-level autocorrelation sequence including elements, each of which includes a value of 1 or 0, and obtaining binary sequences based on the two-level autocorrelation sequence. The method further includes obtaining quasi-orthogonal sets based on the two-level autocorrelation sequence and the binary sequences, and generating the pair of the orthogonal sets based on the quasi-orthogonal sets.

    Abstract translation: 一种用于直接序列扩频通信系统生成具有扩频因子N的正交组对的方法包括：选择N-1周期的两级自相关序列，所述两级自相关序列包括元素， 其包括1或0的值，并且基于两级自相关序列获得二进制序列。 该方法还包括基于二电平自相关序列和二进制序列获得准正交集合，并且基于准正交集合生成正交集合对。

    SYSTEM AND METHOD FOR PERFORMING SYNCHRONIZATION AND INTERFERENCE REJECTION IN SUPER REGENERATIVE RECEIVER (SRR)
    9.
    发明申请
    SYSTEM AND METHOD FOR PERFORMING SYNCHRONIZATION AND INTERFERENCE REJECTION IN SUPER REGENERATIVE RECEIVER (SRR) 有权
    在超级再生接收机（SRR）中执行同步和干扰抑制的系统和方法

    公开(公告)号：US20170012766A1

    公开(公告)日：2017-01-12

    申请号：US15204195

    申请日：2016-07-07

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Kiran BYNAM ,  Sujit JOS ,  PS Chandrashekhar THEJASWI ,  ChangSoon PARK ,  Jinesh P. NAIR ,  Young-Jun HONG ,  Youngsoo KIM ,  Manoj CHOUDHARY

    IPC: H04L7/00 ,  H04L7/04 ,  H04B1/30

    CPC classification number: H04L7/0079 ,  H04B1/10 ,  H04B1/30 ,  H04B1/707 ,  H04B1/7183 ,  H04L7/0033 ,  H04L7/033 ,  H04L7/041 ,  H04L25/00 ,  H04L27/0014 ,  H04L27/06 ,  H04L27/063 ,  H04L2027/0028 ,  H04L2027/0067

    Abstract: A method of performing synchronization in a super regenerative receiver (SRR) includes setting a quench rate of the SRR to a value of 1.5 times a chip rate of an incoming signal, acquiring an expected preamble sequence of an arbitrary sample set among a plurality of possible sample sets, acquiring an expected start frame delimiter (SFD) sequence for all of the possible sample sets to achieve frame synchronization, computing respective correlation metrics for bits of the expected SFD sequence while the expected SFD sequence is acquired for all of the possible sample sets, calculating a decision metric based on the correlation metrics in response to an SFD sequence being detected for one or more of the possible sample sets, and identifying a best sample set for demodulating the incoming signal among all of the possible sample sets based on the decision metric to achieve pulse synchronization.

    Abstract translation: 在超再生接收机（SRR）中执行同步的方法包括将SRR的淬灭速率设置为进入信号的码片速率的1.5倍的值，获得多个可能的任意采样集合的预期前导序列 采样集，获取所有可能的样本集合以实现帧同步的预期起始帧定界符（SFD）序列，计算预期SFD序列的比特的相应相关度量，同时为所有可能的样本集获取预期的SFD序列 响应于针对一个或多个可能样本集合检测到的SFD序列，基于所述相关度量来计算决策度量，以及基于所述决定来识别用于解调所有所述可能样本集合中的所述输入信号的最佳样本集合 度量来实现脉冲同步。

    METHOD AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN WIRELESS RECEIVER
    10.
    发明申请
    METHOD AND APPARATUS FOR AUTOMATIC GAIN CONTROL IN WIRELESS RECEIVER 有权
    无线接收机自动增益控制的方法与装置

    公开(公告)号：US20160241212A1

    公开(公告)日：2016-08-18

    申请号：US15044398

    申请日：2016-02-16

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Ashutosh Deepak GORE ,  Jinesh P. NAIR ,  Chang Soon PARK ,  Kiran BYNAM ,  Seok Ju YUN ,  Young Jun HONG

    IPC: H03G3/30 ,  H04B1/16

    CPC classification number: H04B1/16 ,  H03F3/24 ,  H03G3/00 ,  H03G3/3036 ,  H03G3/3068 ,  H03G3/3078 ,  H04B2001/0408

    Abstract: Examples provide a method of performing automatic gain control (AGC) in a wireless receiver, the method including computing, by an energy detection (ED) circuit, a variance in an output signal of an analog-to-digital converter (ADC), and activating, by the ED circuit, an AGC circuit to adjust a gain of at least one component in a radio frequency integrated chip (RFIC) in response to the variance exceeding a threshold. Examples also provide for a wireless receiver that implements such a method.

    Abstract translation: 示例提供了一种在无线接收机中执行自动增益控制（AGC）的方法，该方法包括通过能量检测（ED）电路计算模数转换器（ADC）的输出信号的方差，以及 通过ED电路激活AGC电路，以响应于超过阈值的方差来调整射频集成芯片（RFIC）中的至少一个分量的增益。 实例还提供了实现这种方法的无线接收机。

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