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1. 发明申请

US20080200124A1 RADIO COEXISTENCE MECHANISM FOR VARIABLE DATA RATE RADIO LINKS 有权
标题翻译：用于可变数据速率无线电链路的无线共享机制
公开(公告)号：US20080200124A1
公开(公告)日：2008-08-21
申请号：US12032076
申请日：2008-02-15
申请人： Pietro Capretta , Vincent Charlier
发明人： Pietro Capretta , Vincent Charlier
IPC分类号： H04B7/00
CPC分类号： H04W72/02 , H04L1/0003 , H04L1/0018 , H04L1/1867 , H04W24/00 , H04W28/22 , H04W84/18 , H04W88/06
摘要： A device has a radio transmitter for a first radio link such as a Bluetooth link, having a coexistence controller arranged to communicate with a co-located other radio transmitter for another radio link, to enable both radio links to use potentially conflicting transmission frequencies. A link monitor monitors the first radio link, according to an output from the coexistence controller. By making the link monitor dependent on the coexistence controller, it can distinguish between transmission losses caused by the coexistence interface, and those caused by other effects, to reduce the risk of a data rate controller unnecessarily reducing a transmission rate if transmission losses caused by the coexistence control are misinterpreted as a drop in link quality.
摘要翻译：一种设备具有用于诸如蓝牙链路的第一无线电链路的无线电发射机，其具有布置成与用于另一无线电链路的同位置的其他无线电发射机通信的共存控制器，以使得无线电链路能够使用潜在的冲突传输频率。链路监视器根据来自共存控制器的输出监视第一无线电链路。通过使链路监视器取决于共存控制器，它可以区分由共存接口引起的传输损耗和由其他影响引起的传输损耗，以降低数据速率控制器的风险，不必要地降低传输速率，如果传输损耗由共存控制被误解为链路质量下降。

2. 发明申请

US20070037510A1 Receiver with improved sample granularity 有权
标题翻译：接收器具有改进的样品粒度
公开(公告)号：US20070037510A1
公开(公告)日：2007-02-15
申请号：US11503412
申请日：2006-08-11
申请人： Pietro Capretta
发明人： Pietro Capretta
IPC分类号： H04H1/00
CPC分类号： H03H17/0621 , H03H17/0685
摘要： A receive path in a receiver including circuitry for deriving a first stream of first digitized samples from a received analog signal at a first sampling rate, and at least one interpolating filter in parallel with the first stream of first digitized samples for generating at least a second stream of digitized samples at the first sampling rate but offset with respect to the first stream by a fraction of a sample time period.
摘要翻译：一种接收机中的接收路径，包括用于从第一采样率的接收的模拟信号导出第一数字化样本的第一流的电路和与第一数字化样本的第一流并行的至少一个内插滤波器，用于产生至少第二以第一采样率的数字化样本流，但相对于第一流偏移一小部分采样时间段。

3. 发明申请

US20070036252A1 Receiver with clock drift compensation 有权
标题翻译：接收器带时钟漂移补偿
公开(公告)号：US20070036252A1
公开(公告)日：2007-02-15
申请号：US11503408
申请日：2006-08-11
申请人： Pietro Capretta , Steven Terryn , Jean-Jacques Schmit
发明人： Pietro Capretta , Steven Terryn , Jean-Jacques Schmit
IPC分类号： H04B1/10 , H04L7/00
CPC分类号： H04L27/22 , H04L7/0041 , H04L7/0062 , H04L7/007
摘要： A receiver is described including circuitry for deriving at least a first stream of first digitized samples from a received analog signal at a first sampling rate, circuitry for selecting a first sampling point and at least a second sampling point, a demodulator for demodulating first and second symbols from the at least first stream of samples based on the first and the at least second sampling points, and circuitry for determining a value related to a demodulation accuracy for the first and second symbols and for outputting a signal, the circuitry for selecting being adapted to alter the sampling point based on the signal. By assessing a demodulation accuracy in real time clock drift can be compensated. The demodulation accuracy can be a value related to a phase error or an error energy such as EVM or DEVM for each demodulated symbol.
摘要翻译：描述了接收机，其包括用于以第一采样率从接收到的模拟信号导出至少第一数字化采样的第一流的电路，用于选择第一采样点和至少第二采样点的电路，用于解调第一和第二采样点的解调器基于第一和至少第二采样点的来自至少第一采样流的符号以及用于确定与第一和第二符号的解调精度相关的值并用于输出信号的电路，用于选择的电路被适配根据信号改变采样点。通过评估实时的解调精度，可以补偿时钟漂移。对于每个解调符号，解调精度可以是与相位误差或诸如EVM或DEVM的误差能量相关的值。

4. 发明申请

US20130188556A1 System and Method for Wireless Stack Implementation on Multiple Wireless Devices 审中-公开
标题翻译：多种无线设备无线堆栈实现的系统和方法
公开(公告)号：US20130188556A1
公开(公告)日：2013-07-25
申请号：US13577397
申请日：2011-02-02
申请人： Naresh Kumar Gupta , Mayank Agarwal , Pietro Capretta , Neeraj Sharma , Manoj Kumar
发明人： Naresh Kumar Gupta , Mayank Agarwal , Pietro Capretta , Neeraj Sharma , Manoj Kumar
IPC分类号： H04W40/24
CPC分类号： H04W40/24 , G06F9/5055 , H04L69/32 , H04W4/00 , H04W80/08 , Y02D10/22
摘要： The present invention relates to a Wireless Communication System (100) for enabling parts of a wireless stack (106) to physically run on multiple wireless devices, connected together by a wireless link (110). The system (100) comprises at least one peer device (102), having at least one application module (104) for at least one embedded device (112), a data routing entity (108) for communicating with the embedded device (112) and at least a part of one or more wireless stacks (106); the embedded device being configured to execute the at least one application (104a, 104b, 104c, 104d), on establishing a connection between the embedded device (112) and the peer device (102), wherein a data routing entity (114) in the embedded device (112) is configured to communicate with the peer device (102).
摘要翻译：无线通信系统本发明涉及无线通信系统（100），其用于使无线栈（106）的部分在无线链路（110）连接在一起的多个无线设备上物理运行。所述系统（100）包括至少一个对等设备（102），其具有用于至少一个嵌入式设备（112）的至少一个应用模块（104），用于与所述嵌入式设备（112）进行通信的数据路由实体（108）以及一个或多个无线栈（106）的至少一部分; 所述嵌入式设备被配置为在所述嵌入式设备（112）和所述对等设备（102）之间建立连接时执行所述至少一个应用（104a，104b，104c，104d），其中，数据路由实体（114）嵌入式设备（112）被配置为与对等设备（102）通信。

5. 发明授权

US08014379B2 Correlation of access code for bluetooth synchronization 有权
标题翻译：用于蓝牙同步的访问代码的相关性
公开(公告)号：US08014379B2
公开(公告)日：2011-09-06
申请号：US11863865
申请日：2007-09-28
申请人： Pietro Capretta , Viktor Belokonskiy , Alberto Gozzi
发明人： Pietro Capretta , Viktor Belokonskiy , Alberto Gozzi
IPC分类号： H04J3/06
CPC分类号： H04L7/042
摘要： A circuit for processing a packet based signal received over a Bluetooth radio link has a correlator to detect at least part of the access code. A correlator controller, reconfigures the correlator according to a timing of the access code, to detect at least part of the EDR synchronization sequence, and a demodulator demodulates the payload according to the detection. The correlator has an input signal register, a buffer for a sequence of at least part of the wanted signal values, and a series of comparators arranged to compare input signal values with corresponding ones of the wanted signal values at more than one offset. By such dual use of the same correlator, the receiver can be made more cost effective.
摘要翻译：用于处理通过蓝牙无线电链路接收的基于分组的信号的电路具有检测至少部分访问码的相关器。相关器控制器根据接入码的定时重新配置相关器，以检测至少部分EDR同步序列，并且解调器根据检测来解调有效载荷。相关器具有输入信号寄存器，用于至少部分有用信号值的序列的缓冲器，以及一系列比较器，其布置成在多于一个偏移处将输入信号值与有用信号值中的对应信号值进行比较。通过相同相关器的这种双重使用，可以使接收器更具成本效益。

6. 发明授权

US07468963B2 Priority setting scheme for a wireless terminal 有权
标题翻译：无线终端的优先级设置方案
公开(公告)号：US07468963B2
公开(公告)日：2008-12-23
申请号：US11146904
申请日：2005-06-07
申请人： Pietro Capretta
发明人： Pietro Capretta
IPC分类号： H04Q7/00
CPC分类号： H04W72/1215 , H04W72/1242 , H04W74/00 , H04W88/06
摘要： First and second wireless transceiver units operate in the same portion of the RF spectrum. An arbitration device controls when the first and second wireless transceiver units can operate. An interface connects the first transceiver unit to the arbitration device and receives requests for operation. The interface permits the transceiver unit o use one of N possible priority levels for requests. The transceiver associates a transceiver priority level to a series of packets which is chosen from a range of M possible priority levels. The transceiver unit sends a sequence of requests to operate to the arbitration device, each request in the sequence having a priority level chosen from the range of N possible priority levels. The average value of the priority levels used in the sequence depends on the associated transceiver priority level.
摘要翻译：第一和第二无线收发器单元在RF频谱的相同部分中工作。仲裁设备控制第一和第二无线收发器单元何时可以操作。接口将第一收发器单元连接到仲裁设备并接收操作请求。该接口允许收发器单元使用N个可能的优先级中的一个请求。收发器将收发器优先级与从M个可能优先级的范围中选择的一系列分组相关联。收发器单元向仲裁装置发送一系列请求以操作，序列中的每个请求具有从N个可能优先级的范围中选择的优先级。序列中使用的优先级的平均值取决于相关的收发器优先级。

7. 发明申请

US20070036247A1 Receiver with frequency offset compensation for M-state phase modulation 有权
标题翻译：具有频率偏移补偿的接收机，用于M态相位调制
公开(公告)号：US20070036247A1
公开(公告)日：2007-02-15
申请号：US11503406
申请日：2006-08-11
申请人： Pietro Capretta , Steven Terryn , Jean-Jacques Schmit
发明人： Pietro Capretta , Steven Terryn , Jean-Jacques Schmit
IPC分类号： H04L27/06 , H04B1/10
CPC分类号： H04L27/22 , H04L2027/0065 , H04L2027/0095
摘要： Method and apparatus for a wireless receiver are described which derive at least a first stream of first digitized samples from a received analog signal at a first sampling rate and identify a first frequency offset based on a plurality of parallel correlations using complex reference signals which differ from each other by phase offsets. A second frequency offset is identified based on tracking a demodulation accuracy for each symbol which is demodulated from the first stream of digitized samples. These frequency offsets can be used to rotate decision areas in the demodulator. The methods and apparatus may be used in a Bluetooth receiver.
摘要翻译：描述了用于无线接收机的方法和装置，其以第一采样率从接收到的模拟信号中导出至少第一数字化采样的第一流，并且使用复数参考信号来识别基于多个并行相关的第一频率偏移相互偏移。基于从第一数字化样本流解调的每个符号跟踪解调精度来识别第二频率偏移。这些频率偏移可用于旋转解调器中的判定区域。方法和装置可以用在蓝牙接收机中。

8. 发明授权

US08185058B2 Radio coexistence mechanism for variable data rate radio links 有权
标题翻译：可变数据速率无线电链路的无线共存机制
公开(公告)号：US08185058B2
公开(公告)日：2012-05-22
申请号：US12032076
申请日：2008-02-15
申请人： Pietro Capretta , Vincent Charlier
发明人： Pietro Capretta , Vincent Charlier
IPC分类号： H04B17/00
CPC分类号： H04W72/02 , H04L1/0003 , H04L1/0018 , H04L1/1867 , H04W24/00 , H04W28/22 , H04W84/18 , H04W88/06
摘要： A device has a radio transmitter for a first radio link such as a Bluetooth link, having a coexistence controller arranged to communicate with a co-located other radio transmitter for another radio link, to enable both radio links to use potentially conflicting transmission frequencies. A link monitor monitors the first radio link, according to an output from the coexistence controller. By making the link monitor dependent on the coexistence controller, it can distinguish between transmission losses caused by the coexistence interface, and those caused by other effects, to reduce the risk of a data rate controller unnecessarily reducing a transmission rate if transmission losses caused by the coexistence control are misinterpreted as a drop in link quality.
摘要翻译：一种设备具有用于诸如蓝牙链路的第一无线电链路的无线电发射机，其具有布置成与用于另一无线电链路的同位置的其他无线电发射机通信的共存控制器，以使得无线电链路能够使用潜在的冲突传输频率。链路监视器根据来自共存控制器的输出监视第一无线电链路。通过使链路监视器取决于共存控制器，它可以区分由共存接口引起的传输损耗和由其他影响引起的传输损耗，以降低数据速率控制器的风险，不必要地降低传输速率，如果传输损耗由共存控制被误解为链路质量下降。

9. 发明授权

US08155250B2 Receiver with frequency offset compensation for M-state phase modulation 有权
标题翻译：具有频率偏移补偿的接收机，用于M态相位调制
公开(公告)号：US08155250B2
公开(公告)日：2012-04-10
申请号：US11503406
申请日：2006-08-11
申请人： Pietro Capretta , Steven Terryn , Jean-Jacques Schmit
发明人： Pietro Capretta , Steven Terryn , Jean-Jacques Schmit
IPC分类号： H04L27/06
CPC分类号： H04L27/22 , H04L2027/0065 , H04L2027/0095
摘要： Method and apparatus for a wireless receiver are described which derive at least a first stream of first digitized samples from a received analog signal at a first sampling rate and identify a first frequency offset based on a plurality of parallel correlations using complex reference signals which differ from each other by phase offsets. A second frequency offset is identified based on tracking a demodulation accuracy for each symbol which is demodulated from the first stream of digitized samples. These frequency offsets can be used to rotate decision areas in the demodulator. The methods and apparatus may be used in a Bluetooth receiver.
摘要翻译：描述了用于无线接收机的方法和装置，其以第一采样率从接收到的模拟信号中导出至少第一数字化采样的第一流，并且使用复数参考信号来识别基于多个并行相关的第一频率偏移相互偏移。基于从第一数字化样本流解调的每个符号跟踪解调精度来识别第二频率偏移。这些频率偏移可用于旋转解调器中的判定区域。方法和装置可以用在蓝牙接收机中。

10. 发明授权

US07688923B2 Enhanced data rate receiver 有权
标题翻译：增强数据速率接收机
公开(公告)号：US07688923B2
公开(公告)日：2010-03-30
申请号：US11503415
申请日：2006-08-11
申请人： Pietro Capretta
发明人： Pietro Capretta
IPC分类号： H04B1/10
CPC分类号： H03H17/0621 , H03H17/0685
摘要： A receiver having circuitry for generating first digitized samples from a received analog signal at a first sampling rate, e.g. an ADC. An interpolating filter is used to generate second digitized samples which are estimates of samples obtainable by sampling the received analog signal at a second sample rate lower than the first sampling rate, second digitized samples being output at the first sampling rate and including at least one unusable sample. A circuit is provided for generating a signal for controlling components of the receive path downstream of the interpolation filter to prevent processing of the unusable second digitized samples.
摘要翻译：一种接收机，具有用于以第一采样率从接收的模拟信号产生第一数字化采样的电路，例如，一个ADC。内插滤波器用于产生第二数字化采样，其是通过以低于第一采样率的第二采样率对接收的模拟信号进行采样而获得的采样的估计，第二数字化样本以第一采样率输出并且包括至少一个不可用样品。提供电路，用于产生用于控制内插滤波器下游的接收路径的分量的信号，以防止不可用的第二数字化采样的处理。

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