METHOD AND APPARATUS FOR SWITCHING OPERATING MODES OF A RECEIVER
    91.
    发明申请
    METHOD AND APPARATUS FOR SWITCHING OPERATING MODES OF A RECEIVER 失效
    用于切换接收器的操作模式的方法和装置

    公开(公告)号:US20110228819A1

    公开(公告)日:2011-09-22

    申请号:US13150457

    申请日:2011-06-01

    Abstract: In a wireless communication system, a method and apparatus switches operating modes of a receiver receiving data and operating in a first mode. The method comprises determining whether a criteria is met to switch the operating mode of the receiver. The operating mode of the receiver is switched from the first mode to a second mode if the criteria is met.

    Abstract translation: 在无线通信系统中,方法和装置切换接收数据并以第一模式操作的接收机的操作模式。 该方法包括确定是否满足标准以切换接收机的操作模式。 如果满足标准,则接收机的操作模式从第一模式切换到第二模式。

    Radio Transmission Apparatus, Radio Reception Apparatus, Radio Transmission-Reception System, And Method Thereof
    92.
    发明申请
    Radio Transmission Apparatus, Radio Reception Apparatus, Radio Transmission-Reception System, And Method Thereof 失效
    无线传输装置,无线电接收装置,无线电发射接收系统及其方法

    公开(公告)号:US20100284479A1

    公开(公告)日:2010-11-11

    申请号:US12776930

    申请日:2010-05-10

    Applicant: Naoyuki SAITO

    Inventor: Naoyuki SAITO

    Abstract: A radio transmission apparatus for transmitting a first radio signal and a second radio signal with different communication system, the apparatus includes: a first transmission unit which generates the first radio signal on the basis of a first communication system and transmits the first radio signal; a diffusion processing unit which performs diffusion processing of data allocated to DC subcarrier on the basis of the first communication system, and generate a diffusion signal; an addition unit which adds the diffusion signal and a signal obtained by orthogonal frequency division multiplex processing; and a second transmission unit which transmits the added signal as the second radio signal.

    Abstract translation: 一种无线发送装置,用于以不同的通信系统发送第一无线信号和第二无线信号,所述装置包括:第一发送单元,其基于第一通信系统生成所述第一无线信号,并发送所述第一无线信号; 漫射处理单元,其基于第一通信系统执行分配给DC子载波的数据的扩散处理,并生成扩散信号; 附加单元,其添加扩散信号和通过正交频分复用处理获得的信号; 以及第二发送单元,其发送添加的信号作为第二无线电信号。

    STEPS ONE AND THREE W-CDMA AND MULTI-MODE SEARCHING
    93.
    发明申请
    STEPS ONE AND THREE W-CDMA AND MULTI-MODE SEARCHING 失效
    步骤一和三W-CDMA和多模式搜索

    公开(公告)号:US20100202316A1

    公开(公告)日:2010-08-12

    申请号:US12763646

    申请日:2010-04-20

    CPC classification number: H04B1/70735 H04B2201/70707 H04B2201/7071

    Abstract: Techniques for efficient searching in asynchronous systems, such as W-CDMA, as well as multi-mode searching, are disclosed. In one aspect, step one and step three search are performed in a single search engine. In another aspect, a search engine is configurable to search the offsets of a slot in step one search, producing sequential hypothesis energies, and peak detecting and sorting those energies. In yet another aspect, the peak detector and sorter are configurable to perform step one searching or step three/multimode searching. Various other aspects of the invention are also presented. These aspects have the benefit of circuit area and search-time efficiency which translate into reduced costs, increased standby time, increased acquisition speed, higher quality signal transmission, increased data throughput, decreased power, and improved overall system capacity.

    Abstract translation: 公开了用于在诸如W-CDMA的异步系统中进行有效搜索的技术以及多模式搜索。 在一个方面,在单个搜索引擎中执行步骤1和步骤3搜索。 在另一方面,搜索引擎可配置为在步骤一搜索中搜索时隙的偏移量,产生顺序假设能量,以及峰值检测和排序这些能量。 在另一方面,峰值检测器和分类器可配置为执行步骤一搜索或步骤三/多模式搜索。 还提出了本发明的各种其它方面。 这些方面具有电路面积和搜索时间效率的优点,从而降低了成本,增加了待机时间,提高了采集速度,提高了信号传输质量,提高了数据吞吐量,降低了功耗,提高了整体系统容量。

    Reverse link correlation filter in wireless communication systems
    96.
    发明授权
    Reverse link correlation filter in wireless communication systems 失效
    无线通信系统中的反向链路相关滤波器

    公开(公告)号:US07613227B2

    公开(公告)日:2009-11-03

    申请号:US11901571

    申请日:2007-09-17

    Abstract: A single, common correlation filter (CF) core is provided in a receiver for recovery of data from received code division multiple access (CDMA) signals. Signals are received over CDMA channels with different data rates, where the received signals include user information such as pilot and data symbols that have been spread according to different despreading rates including tier 1, tier 2 and tier 3 rates, where tier 1 is the smallest despreading rate. The received signal is correlated at the smallest despreading rate in the correlation filter (CF) by time multiplexing delayed versions of the pseudorandom noise (PN) code. The correlated information is then demultiplexed and pilot-aided QPSK demodulated. The demodulated information is summed at the proper integer multiple of the tier 1 rate to achieve tier 2 and tier 3 despreading rates. According to an embodiment, the three strongest multipaths components in terms of the received power are selected in a window or time period for optimal information recovery.

    Abstract translation: 在接收机中提供单个公共相关滤波器(CF)核,用于从接收的码分多址(CDMA)信号中恢复数据。 在具有不同数据速率的CDMA信道上接收信号,其中所接收的信号包括诸如导频和数据符号之类的用户信息,所述导频和数据符号根据不同的解扩速率(包括层1,层2和层3速率)进行扩展,其中层1是最小的 解散率。 接收到的信号通过伪随机噪声(PN)码的延迟版本的时间复用以相关滤波器(CF)中的最小解扩频率相关。 然后将相关信息解复用并导频辅助QPSK解调。 解调信息以1级速率的适当整数倍相加,以实现2级和3级解扩速率。 根据实施例,在用于最佳信息恢复的窗口或时间段中选择关于接收功率的三个最强多径分量。

    Radio frequency communication network having adaptive communication parameters
    97.
    发明授权
    Radio frequency communication network having adaptive communication parameters 失效
    具有自适应通信参数的射频通信网络

    公开(公告)号:US07609747B2

    公开(公告)日:2009-10-27

    申请号:US11112634

    申请日:2005-04-22

    Inventor: Ronald L. Mahany

    Abstract: Improved apparatus for a radio communication network having mobile transceiver units in communication with base transceiver units. The radio communication network is adaptive in that in order to compensate for the wide range of operating conditions, a set of variable network parameters are adapted for communication between transceivers in the network. These parameters may, for example, define optimized communication on the network under current network conditions. Examples of such parameters may include, without limitation: packet size, data rate, type of modulation, type or degree of error correction coding and spread spectrum communication parameters.

    Abstract translation: 用于具有与基站收发器单元通信的移动收发机单元的无线电通信网络的改进的装置。 无线电通信网络是自适应的,为了补偿宽范围的操作条件,一组可变网络参数适用于网络中的收发器之间的通信。 这些参数可以例如在当前网络条件下在网络上定义优化的通信。 这样的参数的示例可以包括但不限于:分组大小,数据速率,调制类型,纠错编码的类型或程度以及扩频通信参数。

    Radio frequency communication network having adaptive communication parameters
    98.
    发明授权
    Radio frequency communication network having adaptive communication parameters 失效
    具有自适应通信参数的射频通信网络

    公开(公告)号:US07606287B2

    公开(公告)日:2009-10-20

    申请号:US10360591

    申请日:2003-02-06

    Inventor: Ronald L. Mahany

    Abstract: Improved apparatus for a radio communication network having mobile transceiver units in communication with base transceiver units. The radio communication network is adaptive in that in order to compensate for the wide range of operating conditions, a set of variable network parameters are adapted for communication between transceivers in the network. These parameters may, for example, define optimized communication on the network under current network conditions. Examples of such parameters may include, without limitation: data rate, type of modulation, type or degree of error correction coding, packet length and spread spectrum communication parameters.

    Abstract translation: 用于具有与基站收发器单元通信的移动收发机单元的无线电通信网络的改进的装置。 无线电通信网络是自适应的,为了补偿宽范围的操作条件,一组可变网络参数适用于网络中的收发器之间的通信。 这些参数可以例如在当前网络条件下在网络上定义优化的通信。 这样的参数的示例可以包括但不限于:数据速率,调制类型,纠错编码的类型或程度,分组长度和扩频通信参数。

    GPS.WIFI terminal
    99.
    发明授权
    GPS.WIFI terminal 有权
    GPS.WIFI终端

    公开(公告)号:US07515102B2

    公开(公告)日:2009-04-07

    申请号:US11296324

    申请日:2005-12-08

    Inventor: Michel Monnerat

    Abstract: A terminal, in particular a mobile terminal, comprises means for processing a positioning signal coming from a satellite positioning system, means for computing direct and inverse Fourier transforms, wireless communication means using OFDM modulation, and priority management means for assigning resources of the direct/inverse Fourier transform computation means either to the positioning signal processing means or to the wireless communication means.

    Abstract translation: 终端,特别是移动终端包括用于处理来自卫星定位系统的定位信号的装置,用于计算直接和逆傅立叶变换的装置,使用OFDM调制的无线通信装置,以及用于分配直接/ 逆傅里叶变换计算意味着到定位信号处理装置或无线通信装置。

    Method and apparatus for channel estimation and cell search in cellular communication systems, and corresponding computer program product
    100.
    发明授权
    Method and apparatus for channel estimation and cell search in cellular communication systems, and corresponding computer program product 有权
    用于蜂窝通信系统中的信道估计和小区搜索的方法和装置,以及相应的计算机程序产品

    公开(公告)号:US07480354B2

    公开(公告)日:2009-01-20

    申请号:US11051561

    申请日:2005-02-04

    CPC classification number: H04B1/7083 H04B1/70735 H04B2201/7071

    Abstract: In order to perform, according to a received signal (r), a channel-estimation procedure and a cell-search procedure in cellular communication systems, there are executed at least one first operation of correlation of said received signal (r) with secondary synchronization codes (SSC) and a second operation of correlation of said received signal (r) with known midamble codes (mid, MPL, MPS), whilst said channel-estimation procedure comprises a third operation of correlation of at least part of said received signal (r) with known midamble codes (mid, MPL, MPS), said first, second, and third correlation operation being executed by sending at least part (emidamble) of said received signal (r) to an input of a correlation bank. There are envisaged the operations of: sending, in a first time interval, the received signal (r) to said correlation bank for executing the first operation of correlation of said received signal (r) with secondary synchronization codes (SSC); sending, in a second time interval, at least part (emidamble) of said received signal (r) to said same correlation bank for executing the second operation of correlation of said received signal (r) with known midamble codes (mid, MPL, MPS); sending, in a second time interval, the received signal (r) to said same correlation bank for executing the third operation of correlation of at least part (emidamble) of said received signal (r) with known midamble codes (mid, MPL, MPS). Possible application is in mobile communication systems based upon standards such as UMTS, CDMA2000, IS95 or WBCDMA.

    Abstract translation: 为了根据接收到的信号(r)执行蜂窝通信系统中的信道估计过程和小区搜索过程,执行所述接收信号(r)与辅助同步的相关的至少一个第一操作 代码(SSC)和所述接收信号(r)与已知中间码(mid,MPL,MPS)的相关的第二操作,而所述信道估计过程包括所述接收信号的至少一部分 所述第一,第二和第三相关运算是通过将所述接收信号(r)的至少一部分(emidamble)发送到相关库的输入来执行的。 设想了以下操作:在第一时间间隔中将接收信号(r)发送到所述相关库,以执行所述接收信号(r)与辅同步码(SSC)的相关的第一操作; 在第二时间间隔中将所述接收信号(r)的至少一部分(emidamble)发送到所述相关相关库,以执行所述接收信号(r)与已知中间码(mid,MPL,MPS)的相关性的第二操作 ); 将所接收的信号(r)在第二时间间隔中发送到所述相关相关库,以执行所述接收信号(r)的至少部分(emidamble)与已知中间码(mid,MPL,MPS)的相关的第三操作 )。 可能的应用是基于UMTS,CDMA2000,IS95或WBCDMA等标准的移动通信系统。

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