公开(公告)号：US20040176148A1

公开(公告)日：2004-09-09

申请号：US10386422

申请日：2003-03-13

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Masami Morimoto

IPC: H04M001/00

CPC classification number: H04B1/70756 ,  H04B2201/70709 ,  H04L2027/0028 ,  H04L2027/0055 ,  H04W24/04 ,  Y02D70/40

Abstract: A cell search is continuously performed with respect to an active base station and peripheral base station which are objects, when a path from the active base station cannot be detected as a result of path search in a wake-up period in a standby state. Subsequently, an error of a reception frequency is detected based on the path detected by the cell search, and the reception frequency of a receiver is corrected so as to decrease the detected frequency error.

Abstract translation: 当处于待机状态的唤醒期间作为路径搜索的结果，当来自活动基站的路径不能被检测到时，相对于作为对象的活动基站和外围基站连续执行小区搜索。 随后，基于由小区搜索检测到的路径来检测接收频率的误差，校正接收机的接收频率，以便减小检测到的频率误差。

公开(公告)号：US20040138811A1

公开(公告)日：2004-07-15

申请号：US10475740

申请日：2003-10-23

Inventor： Koichiro Teranishi ,  Katsuyuki Tanaka ,  Katsuya Hori

IPC: G01S001/00

CPC classification number: G01S19/34 ,  G01S19/29 ,  G01S19/30 ,  H04B2201/70709

Abstract: A GPS receiver can periodically obtain range data without degrading the performance such as positioning sensitivity and positioning speed and conserve energy consumption. Supplied with IF data from a frequency conversion section 4, a synchronization hold section (6) acquires synchronization of a carrier frequency and phase synchronization of a C/A code, holds the acquired state, and obtains necessary information such as range data. When range data is obtained, a switch (23) is turned off to stop supplying the power to the synchronization hold section (6). A control section (7) executes a positioning operation using the obtained range data and the like, finds and outputs positioning information indicative of a current position. Thereafter, the switch (23) is turned on to restart the synchronization hold section (6). In this manner, control is provided to repeatedly start and stop the synchronization hold section (6).

Abstract translation: GPS接收机可以定期获取范围数据，而不会降低性能，如定位灵敏度和定位速度，并节省能耗。 从频率转换部分4提供IF数据，同步保持部分（6）获取载波频率的同步和C / A码的相位同步，保持所获取的状态，并获得诸如范围数据之类的必要信息。 当获得范围数据时，开关（23）被关闭以停止向同步保持部分（6）供电。 控制部（7）使用得到的范围数据等进行定位动作，求出并输出表示当前位置的定位信息。 此后，开关（23）接通以重新启动同步保持部（6）。 以这种方式，提供控制以重复启动和停止同步保持部分（6）。

公开(公告)号：US06741836B2

公开(公告)日：2004-05-25

申请号：US10077123

申请日：2002-02-15

Applicant: Wayne A. Lee ,  Ganesh Pattabiraman ,  Thomas E. Wendoll

Inventor： Wayne A. Lee ,  Ganesh Pattabiraman ,  Thomas E. Wendoll

IPC: H04B500

CPC classification number: H04W56/0015 ,  G06F1/3203 ,  H04B1/707 ,  H04B1/713 ,  H04B2201/70709 ,  H04W52/0216 ,  H04W52/0229 ,  H04W56/00 ,  H04W84/18 ,  H04W88/06 ,  Y02D10/126 ,  Y02D70/1224 ,  Y02D70/144 ,  Y02D70/40

Abstract: In a dual mode Bluetooth/wireless mobile unit, the next sleep mode Bluetooth wakeup time is rescheduled to synchronize with any upcoming idle mode wireless wakeup time that will otherwise precede the Bluetooth wakeup time. The Bluetooth clock is advanced, or other reconfiguration made to the Bluetooth module, as appropriate to prevent the scanning frequency from changing during a sleep mode Bluetooth wakeup/scanning interval commencing at the resynchronized Bluetooth wakeup time.

公开(公告)号：US06674793B2

公开(公告)日：2004-01-06

申请号：US09966736

申请日：2001-10-01

Applicant: Lev Smolyar ,  Daniel Yellin ,  Doron Rainish

Inventor： Lev Smolyar ,  Daniel Yellin ,  Doron Rainish

IPC: H04B169

CPC classification number: H04B1/7117 ,  H04B1/7085 ,  H04B2201/70709

Abstract: In a receiver having at least two fingers, the fingers tracking at least one path of a multipath channel, a method includes the steps of forming a finger block of at least two of the two fingers and jointly tracking the fingers of said finger block. The step of jointly tracking includes the steps of generating direction metrics of each of a set of possible directions of joint movement of the fingers of the finger block, selecting one of the direction metrics according to a predetermined criterion, and moving the fingers of the finger block in the directions indicated by the selected direction metric.

Abstract translation: 在具有至少两个手指的接收器中，手指跟踪多径信道的至少一个路径，方法包括以下步骤：形成两个手指中的至少两个手指的手指块并联合跟踪所述手指块的手指。 联合跟踪的步骤包括以下步骤：产生手指块的手指的联合移动的一组可能方向中的每一个的方向度量，根据预定标准选择方向度量之一，以及移动手指的手指 按所选方向度量标示的方向阻塞。

公开(公告)号：US06639907B2

公开(公告)日：2003-10-28

申请号：US09954667

申请日：2001-09-14

Applicant: Arthur J. Neufeld ,  Ehren Van Melle ,  De-Gang Richard Yao

Inventor： Arthur J. Neufeld ,  Ehren Van Melle ,  De-Gang Richard Yao

IPC: A04B7216

CPC classification number: H04W52/0229 ,  H04B1/70756 ,  H04B2201/70709 ,  H04W68/025 ,  Y02D70/40

Abstract: Techniques to process data sporadically transmitted at designated times in a wireless communication system, such as paging indicator (PI) bits on the quick paging channel in cdma2000. These techniques support a sleep cycle that may start at virtually anytime and having a sleep duration selected based on a fine time increment. The increment is selected such that the finger processors and symbol combiner of a rake receiver may be easily moved to the proper positions upon waking up from a sleep. Techniques are also provided to align the symbol combiner timing to that of a particular multipath in the received signal, if necessary. With these techniques, a terminal may perform a sleep between a pair of assigned PI bits and may wake up and process a single PI bit.

公开(公告)号：US06590886B1

公开(公告)日：2003-07-08

申请号：US09118750

申请日：1998-07-17

Applicant: Kenneth D. Easton ,  Arthur J. Neufeld

Inventor： Kenneth D. Easton ,  Arthur J. Neufeld

IPC: H04B7216

CPC classification number: H04W52/0216 ,  H04B1/7117 ,  H04B2201/70709 ,  Y02D70/40

Abstract: The present invention is an improved method and circuit for reducing the amount of time a mobile receiver spends in the active phase of a slot in a communications system utilizing a slotted paging mechanism. The invention allows the awake time to be configured for the minimum interval needed to demodulate the paging channel messages of interest. The invention includes a means to adjust the timing reference of the fingers to compensate for a sleep duration not an integral multiple of the PN sequence period, and a means to adjust the deinterleaver frame reference timing to compensate for a sleep duration not an integral multiple of the frame interval, and a means to initialize the frequency tracking, gain scaling, and DC bias loops, if any, of the analog receiver chain to minimize the time needed to re-lock these loops.

Abstract translation: 本发明是一种改进的方法和电路，用于减少移动接收机在利用时隙寻呼机制的通信系统中在时隙的活动阶段中花费的时间量。 本发明允许唤醒时间被配置为解调感兴趣的寻呼信道消息所需的最小间隔。 本发明包括一种用于调整手指的定时参考以补偿不是PN序列周期的整数倍的睡眠持续时间的装置，以及调整解交织器帧参考定时以补偿睡眠持续时间而不是整数倍的装置 帧间隔，以及初始化模拟接收机链的频率跟踪，增益缩放和DC偏置环路（如果有的话）的装置，以最小化重新锁定这些环路所需的时间。

公开(公告)号：US06574200B1

公开(公告)日：2003-06-03

申请号：US09387296

申请日：1999-08-31

Applicant: Soichi Tsumura

Inventor： Soichi Tsumura

IPC: G08C1700

CPC classification number: H04W52/0274 ,  H04B1/70758 ,  H04B2201/70709 ,  Y02D70/122 ,  Y02D70/24 ,  Y02D70/26 ,  Y02D70/40

Abstract: In a CDMA receiver for intermittently receiving a spread spectrum received signal using a despreading code and comprising a high-resolution time reference generating section and a low-resolution time reference generating section, a state control section puts, for substantially a reception operation stop time interval, the CDMA receiver into a cold standby state where the high-resolution time reference generating section does not operate while the low-resolution time reference generating section operates. On or immediately before a reception return time instant, the state control section puts the CDMA receiver into a hot standby state where the high-resolution time reference generating section operates.

Abstract translation: 在用于使用解扩码间歇地接收扩频接收信号并包括高分辨率时间基准产生部分和低分辨率时间基准产生部分的CDMA接收机中，状态控制部分基本上接收接收操作停止时间间隔 ，CDMA接收机处于冷待机状态，其中高分辨率时间基准产生部分在低分辨率时间基准产生部分工作时不工作。 在接收返回时刻之前或之前，状态控制部分将CDMA接收机置于高分辨率时间基准产生部分操作的热待机状态。

公开(公告)号：US20030036416A1

公开(公告)日：2003-02-20

申请号：US09930759

申请日：2001-08-15

Inventor： Ganesh Pattabiraman ,  John M. Burke

IPC: H04M001/00

CPC classification number: H04W56/0015 ,  G06F1/3203 ,  H04B1/707 ,  H04B1/713 ,  H04B2201/70709 ,  H04W52/0216 ,  H04W52/0229 ,  H04W56/00 ,  H04W84/18 ,  H04W88/06 ,  Y02D10/126 ,  Y02D70/1224 ,  Y02D70/144 ,  Y02D70/40

Abstract: Method for reducing power consumption in Bluetooth and CDMA modes of operation is disclosed. According to a disclosed embodiment, the time for a next scheduled CDMA wakeup process to be performed by a CDMA module is established. Thereafter, if the next CDMA wakeup process is scheduled to be performed before the next Bluetooth wakeup process, a Bluetooth wakeup process is synchronized to be performed by a Bluetooth module at the same time as the next CDMA wakeup process. Following, when the time arrives for the CDMA module to perform the next CDMA wakeup process, the Bluetooth module also performs the Bluetooth wakeup process.

Abstract translation: 公开了降低蓝牙和CDMA操作模式的功耗的方法。 根据所公开的实施例，建立由CDMA模块执行的下一个调度的CDMA唤醒过程的时间。 此后，如果下一个CDMA唤醒处理被调度为在下一个蓝牙唤醒处理之前执行，则蓝牙唤醒处理被同步以由蓝牙模块在下一个CDMA唤醒处理的同时进行。 以下，当CDMA模块执行下一个CDMA唤醒处理的时间到来时，蓝牙模块还执行蓝牙唤醒处理。

公开(公告)号：US20030036354A1

公开(公告)日：2003-02-20

申请号：US10077123

申请日：2002-02-15

Inventor： Wayne A. Lee ,  Ganesh Pattabiraman ,  Thomas E. Wendoll

IPC: H04B005/00

CPC classification number: H04W56/0015 ,  G06F1/3203 ,  H04B1/707 ,  H04B1/713 ,  H04B2201/70709 ,  H04W52/0216 ,  H04W52/0229 ,  H04W56/00 ,  H04W84/18 ,  H04W88/06 ,  Y02D10/126 ,  Y02D70/1224 ,  Y02D70/144 ,  Y02D70/40

Abstract: In a dual mode Bluetooth/wireless mobile unit, the next sleep mode Bluetooth wakeup time is rescheduled to synchronize with any upcoming idle mode wireless wakeup time that will otherwise precede the Bluetooth wakeup time. The Bluetooth clock is advanced, or other reconfiguration made to the Bluetooth module, as appropriate to prevent the scanning frequency from changing during a sleep mode Bluetooth wakeup/scanning interval commencing at the resynchronized Bluetooth wakeup time.

Abstract translation: 在双模式蓝牙/无线移动单元中，重新安排下一个睡眠模式蓝牙唤醒时间，以与任何即将到来的空闲模式无线唤醒时间同步，否则蓝牙唤醒时间将在蓝牙唤醒时间之前。 蓝牙时钟是高级的，或者对蓝牙模块进行其他重新配置，以防止在睡眠模式期间扫描频率发生变化蓝牙唤醒/扫描间隔从重新同步的蓝牙唤醒时间开始。

公开(公告)号：US20020181559A1

公开(公告)日：2002-12-05

申请号：US09871049

申请日：2001-05-31

Applicant: QuickSilver Technology, Inc.

Inventor： Ghobad Heidari-Bateni ,  Robert Thomas Plunkett

IPC: H04K001/00

CPC classification number: H04B1/711 ,  H04B1/7113 ,  H04B1/7117 ,  H04B1/712 ,  H04B2201/70709

Abstract: The present invention concerns a new type of rake receiver, namely, a multimode rake receiver, which may be included within either a mobile station or a base station, and which has dynamic pilot signal searching and multipath reception and combining capability, for CDMA, cdma2000, W-CDMA, or other mobile communication systems. The adaptive, multimode rake receiver includes a network interface, a plurality of adaptive multimode rake fingers, and a multimode processor. Each adaptive multimode rake finger and the multimode processor are responsive to first configuration information (a first mode signal) to configure for a path reception functional mode and are further responsive to second configuration information (a second mode signal) to configure for a searcher functional mode, providing the multimode rake receiver with acquisition, traffic, and idle modes. In the preferred embodiment, the multimode rake receiver is implemented using a new category of integrated circuitry for adaptive or reconfigurable computing, providing a plurality of heterogeneous computational elements coupled to an interconnection network, to form adaptive and reconfigurable multimode rake fingers and a multimode processor, for a plurality of different functional modes, including pilot signal searching and multipath reception and combination.

Abstract translation: 本发明涉及一种新型的耙式接收机，即可以包括在移动台或基站内的多模耙式接收机，并且具有动态导频信号搜索和多径接收和组合能力，适用于CDMA，cdma2000 ，W-CDMA或其他移动通信系统。 自适应多模Rake接收机包括网络接口，多个自适应多模耙指和多模式处理器。 每个自适应多模式耙指和多模式处理器响应于第一配置信息（第一模式信号）来配置路径接收功能模式，并且还响应于第二配置信息（第二模式信号）来配置搜索器功能模式 为多模Rake接收机提供采集，流量和空闲模式。 在优选实施例中，使用用于自适应或可重新配置计算的新类别的集成电路来实现多模耙式接收机，提供耦合到互连网络的多个异构计算元件，以形成自适应和可重新配置的多模式耙指和多模式处理器， 用于多种不同的功能模式，包括导频信号搜索和多径接收和组合。