专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2007060749A1 WIRELESS COMMUNICATION METHOD AND SYSTEM 审中-公开
标题翻译：无线通信方法与系统
公开(公告)号：WO2007060749A1
公开(公告)日：2007-05-31
申请号：PCT/JP2005/021944
申请日：2005-11-22
申请人： NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY INCORPORATED ADMINISTRATIVE AGENCY , QI, Yihong , KOHNO, Ryuji
发明人： QI, Yihong , KOHNO, Ryuji
IPC分类号： H04B1/69 , H04L27/26
CPC分类号： H04L25/4902 , H04B1/71632 , H04B1/7183
摘要： Wireless communication method for wireless communication from transmitter to receiver, comprising: transmission step at which said transmitter transmits sequence of radio pulses as a data packet which comprises: preamble section which consists of a preamble sequence for initial symbol synchronization and channel estimation; header section which consists of both regular header information on said data packet and multiplexed preamble sequences; payload section which consists of both regular payload message of said data packet and multiplexed preamble sequences, receiving step at which said receiver receives said data packet consisting of said preamble, header and payload section.
摘要翻译：一种用于从发射机到接收机的无线通信的无线通信方法，包括：发射步骤，其中所述发射机发送无线电脉冲序列作为数据分组，其包括：前导部分，其由用于初始符号同步的前导序列和信道估计组成; 标题部分，其包括关于所述数据分组的常规报头信息和多路复用前同步码序列; 净荷部分由所述数据分组的常规有效负载消息和多路复用的前导序列组成，接收步骤，所述接收机接收由所述前导码，报头和有效载荷部分组成的数据分组。

2. 发明申请

WO2007007408A1 DELAY ESTIMATION APPARATUS AND METHOD 审中-公开
标题翻译：延迟估计装置和方法
公开(公告)号：WO2007007408A1
公开(公告)日：2007-01-18
申请号：PCT/JP2005/012980
申请日：2005-07-07
申请人： NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY INCORPORATED ADMINISTRATIVE AGENCY , QI, Yihong , KOHNO, Ryuji
发明人： QI, Yihong , KOHNO, Ryuji
IPC分类号： G01S11/08
CPC分类号： G01S11/08 , G01S5/0221
摘要： The delay estimation apparatus (34) according to this invention comprises: a correlator (41) which generates a correlation function between a received signal and a supplied template waveform; an AD (analog to digital) converter (42) which samples said correlation function generated at said correlator into discrete samples; and an arithmetic operation section (43) which obtains time delays of multipath components of said received signal based on said discrete samples generated at said AD converter, wherein said arithmetic operation section includes an iteration procedure where in each iteration, the time delay and the amplitude of the strongest signal component are estimated based on the present sample sequence, and said sample sequence is updated by deducting the estimated strongest component from said sample sequence; said iteration is terminated when a termination criterion is satisfied. Specifically, in each said iteration, said amplitude estimate of said strongest component is given by the maximum likelihood (ML) solution. The delay estimation apparatus according to this invention can be adopted for the first arrival detection or wireless ranging.
摘要翻译：根据本发明的延迟估计装置（34）包括：相关器（41），其产生接收信号和提供的模板波形之间的相关函数; AD（模数）转换器（42），其将在所述相关器处产生的所述相关函数采样为离散样本; 以及算术运算部（43），其基于在所述AD转换器处生成的所述离散样本获得所述接收信号的多径分量的时间延迟，其中所述算术运算部分包括迭代过程，其中在每次迭代中，所述延迟和幅度基于本样本序列估计最强信号分量，并且通过从所述样本序列中扣除所估计的最强分量来更新所述样本序列; 当满足终止标准时，表示迭代终止。具体地，在每个所述迭代中，所述最强分量的所述振幅估计由最大似然（ML）解决方案给出。根据本发明的延迟估计装置可以用于第一到达检测或无线测距。

3. 发明申请

WO2007004307A1 DELAY ESTIMATION APPARATUS AND METHOD 审中-公开
标题翻译：延迟估计装置和方法
公开(公告)号：WO2007004307A1
公开(公告)日：2007-01-11
申请号：PCT/JP2005/012885
申请日：2005-07-06
申请人： NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY INCORPORATED ADMINISTRATIVE AGENCY , QI, Yihong , KOHNO, Ryuji
发明人： QI, Yihong , KOHNO, Ryuji
IPC分类号： H04B1/69
CPC分类号： H04L25/0212 , H04B1/7183 , H04J3/0682
摘要： Delay estimation apparatus and method, comprising: a correlation step which a correlation function between a received signal and a supplied template waveform is generated, AD conversion step at which said correlation output generated at said correlation step is uniformly sampled into discrete samples; and arithmetic operation step at which a time delay estimate of the received signal based on said discrete samples generated at said AD conversion step is computed, wherein a selection criterion depending on the digital sampling frequency used at said AD conversion means is checked, if said selection criterion is satisfied, computes the time delay estimate based on the direct pick method, and if said selection criterion does not hold, computes the time delay estimate based on the simplified maximum likelihood (ML) method.
摘要翻译：延迟估计装置和方法包括：生成接收信号和提供的模板波形之间的相关函数的相关步骤，将在所述相关步骤中产生的所述相关输出均匀地采样到离散样本的AD转换步骤; 以及算术运算步骤，其中计算基于在所述AD转换步骤产生的所述离散样本的接收信号的时间延迟估计，其中检查根据所述AD转换装置使用的数字采样频率的选择标准，如果所述选择基于直接选择方法计算时间延迟估计，并且如果所述选择标准不成立，则基于简化最大似然（ML）方法计算时间延迟估计。

4. 发明申请

WO2004001898A1 MULTIPLE-ELEMENT ANTENNA WITH PARASITIC COUPLER 审中-公开
标题翻译：多元天线与PARASITIC COUPLER
公开(公告)号：WO2004001898A1
公开(公告)日：2003-12-31
申请号：PCT/CA2003/000876
申请日：2003-06-16
申请人： RESEARCH IN MOTION LIMITED , JARMUSZEWSKI, Perry , QI, Yihong , MAN, Ying, Tong
发明人： JARMUSZEWSKI, Perry , QI, Yihong , MAN, Ying, Tong
IPC分类号： H01Q1/38
CPC分类号： H01Q21/28 , H01Q1/243 , H01Q1/38 , H01Q1/40 , H01Q5/40 , H01Q9/26 , H01Q9/42
摘要： A multiple-element antenna for a multi-band wireless mobile communication device is provided. The multiple-element antenna includes a first antenna element, a second antenna element positioned adjacent the first antenna element, and a parasitic coupler positioned adjacent the first antenna element and the second antenna element. In one embodiment, the first and second antenna elements have respective first and second operating frequency bands, and electromagnetically couple with each other and with the parasitic coupler when the multiple-element antenna is operating in the first or second operating frequency band. The first and second antenna elements are configured to be connected to first and second transceivers in a wireless mobile communication device in an alternate embodiment.
摘要翻译：提供了一种用于多频带无线移动通信设备的多元天线。多元件天线包括第一天线元件，邻近第一天线元件定位的第二天线元件和邻近第一天线元件和第二天线元件定位的寄生耦合器。在一个实施例中，第一和第二天线元件具有相应的第一和第二工作频带，并且当多元件天线在第一或第二操作频带中操作时，彼此和寄生耦合器电磁耦合。第一和第二天线元件被配置为在替代实施例中在无线移动通信设备中连接到第一和第二收发器。

5. 发明申请

WO2008128358A1 METHOD AND SYSTEM FOR CONDUCTING SPECIFIC ABSORPTION RATE TESTING OF A MOBILE COMMUNICATION DEVICE 审中-公开
标题翻译：用于传输移动通信设备的特定吸收率测试的方法和系统
公开(公告)号：WO2008128358A1
公开(公告)日：2008-10-30
申请号：PCT/CA2008/000789
申请日：2008-04-22
申请人： RESEARCH IN MOTION LIMITED , QI, Yihong , MAN, Ying, Tong , JARMUSZEWSKI, Perry , ATTAYI, Dauod, S. , CARDINAL, Paul, Gerard, Gilles
发明人： QI, Yihong , MAN, Ying, Tong , JARMUSZEWSKI, Perry , ATTAYI, Dauod, S. , CARDINAL, Paul, Gerard, Gilles
IPC分类号： G01R29/00 , H04Q7/34
CPC分类号： G01R29/0814 , G01R29/0871
摘要： Embodiments relate to systems and methods for conducting specific absorption rate testing of a mobile communication device. A system includes: a simulated head; a simulated hand positioned proximate to the simulated head for supporting the mobile communication device during the testing; a probe positioned within the simulated head; and a processor. The processor is operatively coupled to the probe and configured to determine a field strength of a field radiated by the mobile communication device. A method includes: positioning the mobile communication device in supported relation to a simulated hand; causing a probe to be positioned within a simulated head, the simulated head positioned in proximity to the mobile communication device; and determining a field strength of a field radiated by the mobile communication device.
摘要翻译：实施例涉及用于进行移动通信设备的特定吸收率测试的系统和方法。系统包括：模拟头; 定位在模拟头附近的模拟手，用于在测试期间支撑移动通信装置; 位于模拟头部内的探头; 和处理器。处理器可操作地耦合到探头并且被配置为确定由移动通信设备辐射的场的场强。一种方法包括：将移动通信设备定位成与模拟手相关的支持关系; 使得探针定位在模拟头部内，模拟头部位于移动通信装置附近; 以及确定由所述移动通信设备辐射的场的场强。

6. 发明申请

WO2004077610A1 MULTIPLE-ELEMENT ANTENNA WITH WIDE-BAND ANTENNA ELEMENT 审中-公开
标题翻译：具有宽带天线元素的多元天线
公开(公告)号：WO2004077610A1
公开(公告)日：2004-09-10
申请号：PCT/CA2003/000290
申请日：2003-02-28
申请人： RESEARCH IN MOTION LIMITED , MAN, Ying, Tong , QI, Yihong , JARMUSZEWSKI, Perry
发明人： MAN, Ying, Tong , QI, Yihong , JARMUSZEWSKI, Perry
IPC分类号： H01Q1/24
CPC分类号： H01Q21/30 , H01Q1/243 , H01Q1/38 , H01Q5/378 , H01Q5/385 , H01Q5/40 , H01Q9/065 , H01Q21/28
摘要： A multiple-element antenna for a wireless communication device is provided. The multiple-element antenna includes a first antenna element having a first operating frequency band, a second antenna element having a second operating frequency band comprising a plurality of operating frequency sub-bands, and a bandwidth enhancing parasitic element positioned adjacent the second antenna element to electromagnetically couple to the second antenna element and thereby enhance the bandwidth of the second antenna element. In one embodiment, the multiple-element antenna is fabricated on a single dielectric substrate and implemented in a wireless mobile communication device having a first transceiver and a second transceiver, with the first antenna element connected to the first transceiver and the second antenna element connected to the second transceiver.
摘要翻译：提供了一种用于无线通信设备的多元天线。所述多元件天线包括具有第一工作频带的第一天线元件，具有包括多个工作频率子带的第二工作频带的第二天线元件和与所述第二天线元件相邻定位的带宽增强寄生元件电磁耦合到第二天线元件，从而增强第二天线元件的带宽。在一个实施例中，多单元天线制造在单个电介质衬底上，并且在具有第一收发器和第二收发器的无线移动通信设备中实现，其中第一天线元件连接到第一收发器并且第二天线元件连接到第二个收发器。

7. 发明申请

WO2011069247A1 FLEXIBLE CABLE AND METHODS OF MANUFACTURING SAME 审中-公开
标题翻译：柔性电缆及其制造方法
公开(公告)号：WO2011069247A1
公开(公告)日：2011-06-16
申请号：PCT/CA2010/001933
申请日：2010-12-09
申请人： RESEARCH IN MOTION LIMITED , WONG, Joshua, Kwan, Ho , MAN, Ying, Tong , QI, Yihong , JARMUSZEWSKI, Perry , CHAN, Antonio
发明人： WONG, Joshua, Kwan, Ho , MAN, Ying, Tong , QI, Yihong , JARMUSZEWSKI, Perry , CHAN, Antonio
IPC分类号： H01P3/14 , H01B7/08 , G06F15/02 , H04W88/02
CPC分类号： H05K1/0219 , H01P3/085 , H01P3/121 , H05K1/0224 , H05K1/0393 , H05K2201/037 , H05K2201/0715 , H05K2201/09618 , H05K2201/09681 , H05K2201/10356
摘要： A flexible cable for carrying RF signals and method of manufacturing same. The cable includes an elongate base substrate including a dielectric layer with an upper metal layer deposited on one side and a lower metal layer deposited on its other side. It further includes two parallel spaced-apart series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross- sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias.
摘要翻译：用于承载RF信号的柔性电缆及其制造方法。该电缆包括细长的基底基底，该基底基底包括在一侧沉积有上金属层的介电层和沉积在另一侧上的下金属层。它还包括沿着基底衬底的长度形成的两个平行间隔开的一系列通孔，每个通孔电连接上金属层和下金属层，由此在上金属层，下层金属层和两系列通孔。

8. 发明申请

WO2009035495A2 OPTIMAL TWO-LAYER COHERENT DEMODULATION FOR D-PSK 审中-公开
标题翻译：用于D-PSK的最佳双层相关解调
公开(公告)号：WO2009035495A2
公开(公告)日：2009-03-19
申请号：PCT/US2008/009160
申请日：2008-07-30
申请人： ADVANCED MICRO DEVICES, INC. , QI, Yihong , TOUZNI, Azzedine
发明人： QI, Yihong , TOUZNI, Azzedine
IPC分类号： H04L27/22
CPC分类号： H04L27/2331
摘要： A D-PSK demodulator utilizes a two-layer coherent approach to estimate the phase shift of adjacent symbols. There is generated a probability set of each received symbol being one of possible constellation values. There is also generated a probability set of each of possible phase difference between two adjacent symbols. This probability set is then converted into soft bit information according to specific mathematical operation.
摘要翻译： D-PSK解调器利用两层相干方法来估计相邻符号的相移。生成每个接收的符号是可能的星座值之一的概率集合。还产生两个相邻符号之间的每个可能相位差的概率集。然后根据具体的数学运算将该概率集转换为软比特信息。

9. 发明申请

WO2007051295A1 MOBILE WIRELESS COMMUNICATIONS DEVICE INCLUDING A WRAP-AROUND ANTENNA ASSEMBLY AND RELATED METHODS 审中-公开
标题翻译：包括缠绕天线装配的移动无线通信装置及相关方法
公开(公告)号：WO2007051295A1
公开(公告)日：2007-05-10
申请号：PCT/CA2006/001787
申请日：2006-10-31
申请人： RESEARCH IN MOTION LIMITED , PHILLIPS, Robert, W. , QI, Yihong , MAN, Ying, Tong
发明人： PHILLIPS, Robert, W. , QI, Yihong , MAN, Ying, Tong
IPC分类号： H04Q7/32 , H01Q1/22 , H01Q1/27 , H01Q1/36
CPC分类号： H01Q1/38 , H01Q1/12 , H01Q1/243 , H01Q1/36 , H01R12/59 , H01R12/722 , H01R2201/02
摘要： A mobile wireless communications device may include a housing, a printed circuit board (PCB) carried by the housing, at least one wireless RF circuit carried by the PCB, and a first contact(s) carried by the PCB and electrically connected to the at least one wireless RF circuit. The device may further include a wrap-around antenna assembly comprising an antenna retainer frame removably coupled to an edge of the PCB and having first and second portions wrapping around adjacent first and second surfaces of the PCB at the edge thereof when the antenna retainer frame is coupled to the PCB. The wrap-around antenna assembly may also include an antenna carried by the antenna retainer frame and extending along the first and second portions thereof. The antenna may include a second contact(s) removably coupled to the first contact(s) when the antenna retainer frame is coupled to the PCB.
摘要翻译：移动无线通信设备可以包括壳体，由壳体承载的印刷电路板（PCB），由PCB承载的至少一个无线RF电路，以及由PCB承载的电连接到至少一个无线射频电路。该装置还可以包括环绕天线组件，其包括可拆卸地联接到PCB的边缘的天线保持框架，并且当天线保持框架是在天线保持架框架的边缘时，第一和第二部分在PCB边缘的相邻的第一和第二表面周围缠绕耦合到PCB。环绕天线组件还可以包括由天线保持框架承载并沿其第一和第二部分延伸的天线。天线可以包括当天线保持框架联接到PCB时可拆卸地联接到第一接触件的第二接触件。

10. 发明申请

WO2012030545A1 OPTIMUM INTERLEAVER DESIGN FOR A COMMUNICATION SYSTEM 审中-公开
标题翻译：用于通信系统的最佳交互设计
公开(公告)号：WO2012030545A1
公开(公告)日：2012-03-08
申请号：PCT/US2011/048197
申请日：2011-08-18
申请人： MARVELL WORLD TRADE LTD. , QI, Yihong , SRINIVASA, Sudhir , ZHANG, Hongyuan
发明人： QI, Yihong , SRINIVASA, Sudhir , ZHANG, Hongyuan
IPC分类号： H04L1/00 , H04L1/06 , H04L5/00 , H04B7/00
CPC分类号： H04B7/046 , H04L1/0009 , H04L1/0071 , H04L1/0643 , H04L1/203 , H04L5/0046 , H04L27/2601
摘要： In a method for interleaving information bits in a physical layer (PHY) data unit, a channel bandwidth to be used for transmitting the PHY data unit is determined and a frequency rotation parameter NROT corresponding to the channel bandwidth is selected. A spatial stream constant is selected for each spatial stream from the set [0, 5, 2, 7, 3, 6, 1, 4] or a subset thereof depending on a number of spatial streams to be utilized, wherein each constant in the set corresponds to a respective spatial stream. Information bits are interleaved according to the selected frequency rotation parameter NROT and the selected spatial stream constant.
摘要翻译：在用于交织物理层（PHY）数据单元中的信息比特的方法中，确定要用于发送PHY数据单元的信道带宽，并且选择与信道带宽对应的频率旋转参数NROT。根据要利用的空间流的数量，从集合[0,5,2,7,3,6,1,4]或其子集为每个空间流选择空间流常数，其中，集合对应于相应的空间流。信息比特根据所选择的频率旋转参数NROT和所选择的空间流常数进行交织。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式