公开(公告)号：US07415253B2

公开(公告)日：2008-08-19

申请号：US10910426

申请日：2004-08-03

申请人： Keith A. Carter ,  Brima B. Ibrahim ,  Siukai Mak ,  Ken Gin

发明人： Keith A. Carter ,  Brima B. Ibrahim ,  Siukai Mak ,  Ken Gin

IPC分类号： H01Q11/12

CPC分类号： H04W52/225 ,  H04B17/102 ,  H04B17/14

摘要： A method for temperature compensation of transmit power of a wireless communication device begins by measuring transmit power of the wireless communication device at a first temperature-based biasing condition to produce a first measured transmit power. The method continues by measuring transmit power of the wireless communication device at a second temperature-based biasing condition to produce a second measured transmit power. The method continues by determining ambient temperature of at least a portion of the wireless communication device based on the first and second measured transmit powers and a relationship between the first and second temperature-based biasing conditions. The method continues by compensating transmit power level of the wireless communication device based on the ambient temperature.

摘要翻译： 一种用于无线通信设备的发射功率的温度补偿的方法是通过在第一基于温度的偏置条件下测量无线通信设备的发射功率而开始的，以产生第一测量的发射功率。 该方法通过在第二基于温度的偏置条件下测量无线通信设备的发射功率来继续，以产生第二测量的发射功率。 该方法通过基于第一和第二测量的发射功率以及第一和第二基于温度的偏置条件之间的关系来确定无线通信设备的至少一部分的环境温度。 该方法通过基于环境温度补偿无线通信设备的发射功率电平来继续。

公开(公告)号：US08723729B2

公开(公告)日：2014-05-13

申请号：US12787256

申请日：2010-05-25

申请人： Prasanna Desai ,  Brima B. Ibrahim ,  Siukai Mak

发明人： Prasanna Desai ,  Brima B. Ibrahim ,  Siukai Mak

IPC分类号： G01S5/04

CPC分类号： G01S3/14 ,  G01S3/50 ,  G01S5/12 ,  G01S11/06 ,  H04W64/006

摘要： Angle of arrival and/or range estimation within a wireless communication device. Appropriate processing of communications received by a wireless communication device is performed to determine the angle of arrival of the communication (e.g., with respect to some coordinate basis of the wireless communication device). Also, appropriate processing of the communications may be performed in accordance with range estimation as performed by the wireless communication device to determine the distance between the transmitting and receiving wireless communication devices. There are two separate modes of packet processing operations that may be performed: (1) when contents of the received packet are known, and (2) when contents of the received packet are unknown. The wireless communication device includes a number of antenna, and a switching mechanism switches from among the various antennae capitalizing on the spatial diversity of the antennae to generate a multi-antenna signal.

公开(公告)号：US20100302102A1

公开(公告)日：2010-12-02

申请号：US12787256

申请日：2010-05-25

申请人： Prasanna Desai ,  Brima B. Ibrahim ,  Siukai Mak

发明人： Prasanna Desai ,  Brima B. Ibrahim ,  Siukai Mak

IPC分类号： G01S5/02

CPC分类号： G01S3/14 ,  G01S3/50 ,  G01S5/12 ,  G01S11/06 ,  H04W64/006

摘要： Angle of arrival and/or range estimation within a wireless communication device. Appropriate processing of communications received by a wireless communication device is performed to determine the angle of arrival of the communication (e.g., with respect to some coordinate basis of the wireless communication device). Also, appropriate processing of the communications may be performed in accordance with range estimation as performed by the wireless communication device to determine the distance between the transmitting and receiving wireless communication devices. There are two separate modes of packet processing operations that may be performed: (1) when contents of the received packet are known, and (2) when contents of the received packet are unknown. The wireless communication device includes a number of antenna, and a switching mechanism switches from among the various antennae capitalizing on the spatial diversity of the antennae to generate a multi-antenna signal.

摘要翻译： 无线通信设备内的到达角度和/或范围估计。 执行由无线通信设备接收的通信的适当处理以确定通信的到达角度（例如，关于无线通信设备的某些坐标基础）。 此外，可以根据由无线通信设备执行的范围估计来执行通信的适当处理，以确定发送和接收无线通信设备之间的距离。 可以执行两种分组处理操作的模式：（1）当接收到的分组的内容是已知的，以及（2）当接收的分组的内容是未知的时。 无线通信装置包括多个天线，并且切换机构从各种天线之间切换，利用天线的空间分集来生成多天线信号。

公开(公告)号：US20050288052A1

公开(公告)日：2005-12-29

申请号：US10910426

申请日：2004-08-03

申请人： Keith Carter ,  Brima Ibrahim ,  Siukai Mak ,  Ken Gin

发明人： Keith Carter ,  Brima Ibrahim ,  Siukai Mak ,  Ken Gin

IPC分类号： H04B7/005 ,  H04B17/00 ,  H04W52/22 ,  H04Q7/20

CPC分类号： H04W52/225 ,  H04B17/102 ,  H04B17/14

摘要： A method for temperature compensation of transmit power of a wireless communication device begins by measuring transmit power of the wireless communication device at a first temperature-based biasing condition to produce a first measured transmit power. The method continues by measuring transmit power of the wireless communication device at a second temperature-based biasing condition to produce a second measured transmit power. The method continues by determining ambient temperature of at least a portion of the wireless communication device based on the first and second measured transmit powers and a relationship between the first and second temperature-based biasing conditions. The method continues by compensating transmit power level of the wireless communication device based on the ambient temperature.

摘要翻译： 一种用于无线通信设备的发射功率的温度补偿的方法是通过在第一基于温度的偏置条件下测量无线通信设备的发射功率而开始的，以产生第一测量的发射功率。 该方法通过在第二基于温度的偏置条件下测量无线通信设备的发射功率来继续，以产生第二测量的发射功率。 该方法通过基于第一和第二测量的发射功率以及第一和第二基于温度的偏置条件之间的关系来确定无线通信设备的至少一部分的环境温度。 该方法通过基于环境温度补偿无线通信设备的发射功率电平来继续。

公开(公告)号：US08577291B1

公开(公告)日：2013-11-05

申请号：US11670145

申请日：2007-02-01

申请人： Siukai Mak

发明人： Siukai Mak

IPC分类号： H04B7/00

CPC分类号： H04W24/08 ,  H04L1/203

摘要： A method and system for optimizing data throughput in a Bluetooth communication system is provided. The method may include determining the bit error rate (BER) of a first Bluetooth packet type of a plurality of Bluetooth packet types transmitted at a first power output level by a Bluetooth transmitter and selecting a second packet type from the plurality of Bluetooth packet types in response to determining the bit error rate. The different packet types may comprise DM1, DM3, DM5, DH1, DH3, DH5, HV1, HV2, HV3, 2DH1, 2DH3, 2DH5, 3DH1, 3DH3, and 3DH5 Bluetooth packets. The method may also include estimating the BER from the packet error rate (PER) of the first Bluetooth packet type, where the PER may be computed by comparing a number of packets of said first Bluetooth packet type with good CRCs to a number of packets of said first Bluetooth packet type with bad CRCs.

摘要翻译： 提供了一种用于优化蓝牙通信系统中的数据吞吐量的方法和系统。 该方法可以包括确定由蓝牙发射机以第一功率输出电平发送的多个蓝牙分组类型的第一蓝牙分组类型的比特误码率（BER），并从多个蓝牙分组类型中选择第二分组类型 响应确定误码率。 不同的分组类型可以包括DM1，DM3，DM5，DH1，DH3，DH5，HV1，HV2，HV3，2DH1，2DH3，2DH5，3DH1，3DH3和3DH5蓝牙分组。 该方法还可以包括从第一蓝牙分组类型的分组错误率（PER）估计BER，其中可以通过将所述第一蓝牙分组类型与良好的CRC的分组的数目比较到多个分组的数量 说第一个蓝牙分组类型有坏的CRC。

公开(公告)号：US20120003942A1

公开(公告)日：2012-01-05

申请号：US12878771

申请日：2010-09-09

申请人： Norbert Grunert ,  Brima Ibrahim ,  Siukai Mak ,  Hea Joung Kim ,  Amir Ibrahim ,  Thomas Baker

发明人： Norbert Grunert ,  Brima Ibrahim ,  Siukai Mak ,  Hea Joung Kim ,  Amir Ibrahim ,  Thomas Baker

IPC分类号： H04W24/00

CPC分类号： H04W16/14 ,  H04W72/082

摘要： In a radio comprising a transmitter and a receiver, transmission and reception of signals may be controlled based on received signal strength measurements from a signal strength indicator module and transmitted signal strength measurements from the signal strength indicator module. For the transmitted signal strength measurements, the shared signal strength indicator module may measure signal strength of a signal output by a power amplifier. For the received signal strength measurements, the shared signal strength indicator module may measure signal strength of a received signal. A capacitance coupled to an output of the power amplifier may be configured based on a frequency of the signal output by the power amplifier. A gain of the power amplifier may be controlled based on the transmitted signal strength measurements. For the transmitted signal strength measurements, an analog-to-digital converter may process the signal output by the power amplifier.

摘要翻译： 在包括发射机和接收机的无线电设备中，可以基于来自信号强度指示器模块的接收信号强度测量值和来自信号强度指示器模块的发射信号强度测量值来控制信号的发送和接收。 对于发射信号强度测量，共享信号强度指示器模块可以测量由功率放大器输出的信号的信号强度。 对于接收的信号强度测量，共享信号强度指示器模块可以测量接收信号的信号强度。 可以基于由功率放大器输出的信号的频率来配置耦合到功率放大器的输出的电容。 功率放大器的增益可以基于传输的信号强度测量来控制。 对于发射信号强度测量，模数转换器可以处理由功率放大器输出的信号。

公开(公告)号：US08081714B2

公开(公告)日：2011-12-20

申请号：US10989536

申请日：2004-11-16

申请人： Brima Ibrahim ,  Hea Joung Kim ,  Henrik Tholstrup Jensen ,  Paul Lettieri ,  Siukai Mak

发明人： Brima Ibrahim ,  Hea Joung Kim ,  Henrik Tholstrup Jensen ,  Paul Lettieri ,  Siukai Mak

IPC分类号： H04L27/00

CPC分类号： H03D3/006

摘要： Methods and systems for processing an RF signal are disclosed herein. Aspects of the method may comprise utilizing a single input CORDIC and a single output CORDIC for synchronizing and demodulating a received signal, wherein the received signal may comprise one or more bit rates. The received signal may comprise a one megabit per second (Mbps) signal. The single input CORDIC may be configured to operate in a rotating mode and the single output CORDIC may be configured to operate in a rotating mode and/or an arctangent (ARCTAN) mode. A rotated output of the single input CORDIC may be correlated with a phase shift keying (PSK) synchronization (sync) word and a portion of the correlated rotated output of the single input CORDIC may be buffered.

摘要翻译： 本文公开了用于处理RF信号的方法和系统。 该方法的方面可以包括利用单个输入CORDIC和单个输出CORDIC来同步和解调所接收的信号，其中所接收的信号可以包括一个或多个比特率。 所接收的信号可以包括一兆兆比特每秒（Mbps）信号。 单输入CORDIC可以被配置为以旋转模式操作，并且单输出CORDIC可以被配置为在旋转模式和/或反正切（ARCTAN）模式下操作。 单输入CORDIC的旋转输出可以与相移键控（PSK）同步（sync）字相关，并且单个输入CORDIC的相关旋转输出的一部分可以被缓冲。

公开(公告)号：US20110294432A1

公开(公告)日：2011-12-01

申请号：US13206035

申请日：2011-08-09

申请人： Prasanna Desai ,  Sven Jerlhagen ,  Brima Ibrahim ,  Siukai Mak ,  Asif Grushkevich ,  John Walley

发明人： Prasanna Desai ,  Sven Jerlhagen ,  Brima Ibrahim ,  Siukai Mak ,  Asif Grushkevich ,  John Walley

IPC分类号： H04B7/00

CPC分类号： H04B1/715 ,  H04B2001/7154 ,  H04W28/04 ,  H04W84/18

摘要： A method for frequency selection in a wireless communication system, includes performing in a wireless device, receiving at least one signal at a current frequency; processing at least one data packet received via the received at least one signal to determine the presence of bit errors; characterizing the received at least one signal received at the current frequency based on the processing of the at least one data packet; classifying the current frequency based on at least the characterization of the received at least one signal; and selecting the current frequency based on the classification. At least one signal strength measurement may be performed on the received at least one signal, and the processing of the at least one data packet may be performed within a current channel classification update interval.

摘要翻译： 一种在无线通信系统中进行频率选择的方法，包括在无线设备中执行以当前频率接收至少一个信号; 处理经由所接收的至少一个信号接收的至少一个数据分组，以确定位错误的存在; 基于所述至少一个数据分组的处理来表征所接收的以当前频率接收的至少一个信号; 至少基于所接收的至少一个信号的特征来对当前频率进行分类; 并根据分类选择当前频率。 可以对所接收的至少一个信号执行至少一个信号强度测量，并且可以在当前信道分类更新间隔内执行至少一个数据分组的处理。

公开(公告)号：US20110022904A1

公开(公告)日：2011-01-27

申请号：US12506727

申请日：2009-07-21

申请人： Robert W. Zopf ,  Siukai Mak

发明人： Robert W. Zopf ,  Siukai Mak

IPC分类号： G06F11/00 ,  H04B3/46 ,  G10L19/00

CPC分类号： G10L19/005

摘要： Systems and methods are described for managing bit errors present in a series of encoded bits representative of a portion of an audio signal, wherein the series of encoded bits is received over a communication link in an audio communications system. At least one characteristic of a portion of a received modulated carrier signal that is demodulated to produce the series of encoded bits is determined. A number of bit errors present in the series of encoded bits is then determined based on the at least one characteristic. Based on the estimated number of bit errors, one of a plurality of methods for producing a series of digital audio samples representative of the portion of the audio signal is selectively performed. The series of digital audio samples produced by the selected method is then converted into a form suitable for playback to a user.

摘要翻译： 描述了用于管理存在于表示音频信号的一部分的一系列编码比特中的比特错误的系统和方法，其中通过音频通信系统中的通信链路接收一系列编码比特。 确定被解调以产生一系列编码比特的接收调制载波信号的一部分的至少一个特性。 然后基于该至少一个特性确定存在于一系列编码比特中的多个比特错误。 基于估计的位错误数量，选择性地执行用于产生表示音频信号部分的一系列数字音频样本的多种方法之一。 然后，通过所选择的方法产生的一系列数字音频样本被转换成适合于播放给用户的形式。

公开(公告)号：US07796709B2

公开(公告)日：2010-09-14

申请号：US12364465

申请日：2009-02-02

申请人： Siukai Mak ,  Brima Ibrahim

发明人： Siukai Mak ,  Brima Ibrahim

IPC分类号： H04L27/16

CPC分类号： H04L43/00 ,  H04L43/0847 ,  H04L43/16 ,  H04W28/18

摘要： Various aspects of a method and system from signal quality measurement based on mean phase error magnitude of a signal are presented. Aspects of the system may comprise circuitry that receives a time phase corrected Bluetooth signal via an RF channel. The circuitry may generate a phase error signal based on the received time phase corrected Bluetooth signal, and generate a mean phase error signal based on the generated phase error signal. A signal to noise ratio (SNR) may be derived based on the generated mean phase error signal, and a data rate may be selected based on the derived SNR.

摘要翻译： 提出了基于信号平均相位误差幅度的信号质量测量方法和系统的各个方面。 系统的方面可以包括经由RF信道接收时间相位校正的蓝牙信号的电路。 电路可以基于所接收的时间相位校正的蓝牙信号产生相位误差信号，并且基于所生成的相位误差信号产生平均相位误差信号。 可以基于所生成的平均相位误差信号导出信噪比（SNR），并且可以基于导出的SNR来选择数据速率。