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    • 2. 发明授权
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US07447256B2
    • 2008-11-04
    • US11898944
    • 2007-09-18
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04L27/00
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer is started to count a time period and part of a received signal is stored. A PN code phase of stored data is calculated during the time period to obtain an indication value for phase deviation. State vectors for short and long codes and a further reception time are calculated based on the indication value. When the high-accuracy timer counts the time period and produces OV(d), demodulation operation by a rake demodulation, demultiplexing, and descrambler units is started and is continued during the reception time.
    • 一种用于CDMA系统的接收机,其通过由低功率定时器监视暂停时段来减少在间歇接收操作的暂停时段期间的功耗,从而关闭VC-TCXO,参考信号组生成和接收单元以及调制解调器单元 被设置为睡眠状态。 在恢复接收操作时,开始高精度定时器对一段时间进行计数,并存储接收信号的一部分。 在该时间段内计算存储数据的PN码相位,以获得相位偏差的指示值。 基于指示值计算短码和长码的状态向量和另外的接收时间。 当高精度定时器对时间段进行计数并产生OV(d)时,开始通过耙式解调,解复用和解扰器单元的解调操作,并在接收时间期间继续。
    • 3. 发明申请
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US20080049815A1
    • 2008-02-28
    • US11907423
    • 2007-10-12
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04B1/707
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer is started to count a time period and part of a received signal is stored. A PN code phase of stored data is calculated during the time period to obtain an indication value for phase deviation. State vectors for short and long codes and a further reception time are calculated based on the indication value. When the high-accuracy timer counts the time period and produces 0V(d), demodulation operation by a rake demodulation, demultiplexing, and descrambler units is started and is continued during the reception time.
    • 一种用于CDMA系统的接收机,其通过由低功率定时器监视暂停时段来减少在间歇接收操作的暂停时间段期间的功耗,从而关闭VC-TCXO,参考信号组生成和接收单元以及调制解调器单元 被设置为睡眠状态。 在恢复接收操作时,开始高精度定时器对一段时间进行计数,并存储接收信号的一部分。 在该时间段内计算存储数据的PN码相位,以获得相位偏差的指示值。 基于指示值计算短码和长码的状态向量和另外的接收时间。 当高精度定时器对时间段进行计数并产生0V(d)时,起动解调,解复用和解扰器单元的解调操作开始并且在接收时间期间继续。
    • 4. 发明授权
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US08130816B2
    • 2012-03-06
    • US12275309
    • 2008-11-21
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04B1/00
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer is started to count a time period and part of a received signal is stored. A PN code phase of stored data is calculated during the time period to obtain an indication value for phase deviation. State vectors for short and long codes and a further reception time are calculated based on the indication value. When the high-accuracy timer counts the time period and produces 0V(d), demodulation operation by a rake demodulation, demultiplexing, and descrambler units is started and is continued during the reception time.
    • 一种用于CDMA系统的接收机,其通过由低功率定时器监视暂停时段来减少在间歇接收操作的暂停时间段期间的功耗,从而关闭VC-TCXO,参考信号组生成和接收单元以及调制解调器单元 被设置为睡眠状态。 在恢复接收操作时,开始高精度定时器对一段时间进行计数,并存储接收信号的一部分。 在该时间段内计算存储数据的PN码相位,以获得相位偏差的指示值。 基于指示值计算短码和长码的状态向量和另外的接收时间。 当高精度定时器对时间段进行计数并产生0V(d)时,起动解调,解复用和解扰器单元的解调操作开始并且在接收时间期间继续。
    • 5. 发明申请
    • Receiver for Receiving a Spectrum Dispersion Signal
    • 接收频谱色散信号的接收机
    • US20090074035A1
    • 2009-03-19
    • US12275309
    • 2008-11-21
    • Shigeyuki SUDOOsamu HasegawaToshiya Eguchi
    • Shigeyuki SUDOOsamu HasegawaToshiya Eguchi
    • H04B1/707
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer is started to count a time period and part of a received signal is stored. A PN code phase of stored data is calculated during the time period to obtain an indication value for phase deviation. State vectors for short and long codes and a further reception time are calculated based on the indication value. When the high-accuracy timer counts the time period and produces 0V(d), demodulation operation by a rake demodulation, demultiplexing, and descrambler units is started and is continued during the reception time.
    • 一种用于CDMA系统的接收机,其通过由低功率定时器监视暂停时段来减少在间歇接收操作的暂停时间段期间的功耗,从而关闭VC-TCXO,参考信号组生成和接收单元以及调制解调器单元 被设置为睡眠状态。 在恢复接收操作时,开始高精度定时器对一段时间进行计数,并存储接收信号的一部分。 在该时间段内计算存储数据的PN码相位,以获得相位偏差的指示值。 基于指示值计算短码和长码的状态向量和另外的接收时间。 当高精度定时器对时间段进行计数并产生0V(d)时,起动解调,解复用和解扰器单元的解调操作开始并且在接收时间期间继续。
    • 8. 发明申请
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US20070242632A1
    • 2007-10-18
    • US11808607
    • 2007-06-12
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04L27/00
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system which reduces power consumption during a suspension period of intermittent receiving operation by monitoring a suspension period by a low-power timer so that a VC-TCXO, reference signal group generation and receiving units are turned off and a modem unit is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer is started to count a time period and part of a received signal is stored. A PN code phase of stored data is calculated during the time period to obtain an indication value for phase deviation. State vectors for short and long codes and a further reception time are calculated based on the indication value. When the high-accuracy timer counts the time period and produces 0V(d), demodulation operation by a rake demodulation, demultiplexing, and descrambler units is started and is continued during the reception time.
    • 一种用于CDMA系统的接收机,其通过由低功率定时器监视暂停时段来减少在间歇接收操作的暂停时段期间的功耗,从而关闭VC-TCXO,参考信号组生成和接收单元以及调制解调器单元 被设置为睡眠状态。 在恢复接收操作时,开始高精度定时器对一段时间进行计数,并存储接收信号的一部分。 在该时间段内计算存储数据的PN码相位,以获得相位偏差的指示值。 基于指示值计算短码和长码的状态向量和另外的接收时间。 当高精度定时器对时间段进行计数并产生0V(d)时,开始通过前置解调,解复用和解扰器单元的解调操作,并在接收时间期间继续进行。
    • 9. 发明申请
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US20050147154A1
    • 2005-07-07
    • US11054439
    • 2005-02-10
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04J13/00H04B1/16H04B1/707H04B1/7075H04B7/26H04W52/02H04K1/00
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system, in order to reduce a power consumption during a suspension period of intermittent receiving operation, monitors a suspension period t1 by means of a low-power timer 51 so that a VC-TCXO 1, a reference signal group generation unit 2 and a receiving unit 3 are turned off and a modem unit 4 is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer 44 is supplied with a start (d) to require counting of time t3 and a part of a received signal is stored. A PN code phase of stored data is calculated in a PN code phase calculator 46 during a period t3 to obtain an indication value i for a phase deviation. State vectors for short code and long code and further a reception time t4 are calculated on the basis of the indication value i to be set. When the high-accuracy timer 44 counts t3 and produces 0V(d), demodulation operation by a rake demodulation unit 40, a demultiplexing unit 41 and a descrambler unit 42 is started in accordance with the setting and is continued during the reception time t4.
    • CDMA系统的接收机为了在间歇接收操作的暂停期间降低功耗,借助于低功率定时器51监视暂停时段t 1,使得VC-TCXO 1,参考信号组 生成单元2和接收单元3被关闭,并且调制解调器单元4被设置为睡眠状态。 在恢复接收操作时,高精度定时器44被提供有开始(d),以需要计数时间t 3,并且存储接收信号的一部分。 在时间段t 3期间,在PN码相位计算器46中计算存储数据的PN码相位,以获得相位偏差的指示值i。 基于要设定的指示值i计算短码和长码的状态向量以及进一步的接收时间t 4。 当高精度定时器44计数t 3并产生0V(d)时,根据该设置启动由前置解调单元40,解复用单元41和解扰单元42进行的解调操作,并且在接收时间期间继续 t 4。
    • 10. 发明授权
    • Receiver for receiving a spectrum dispersion signal
    • 用于接收频谱色散信号的接收器
    • US06363101B1
    • 2002-03-26
    • US09277164
    • 1999-03-26
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • Shigeyuki SudoOsamu HasegawaToshiya Eguchi
    • H04J1304
    • H04B1/70756H04B1/707H04B1/7075H04B2201/70709H04W52/029Y02D70/26Y02D70/40
    • A receiver for the CDMA system, in order to reduce a power consumption during a suspension period of intermittent receiving operation, monitors a suspension period t1 by means of a low-power timer 51 so that a VC-TCXO 1, a reference signal group generation unit 2 and a receiving unit 3 are turned off and a modem unit 4 is set to a sleep state. Upon resumption of receiving operation, a high-accuracy timer 44 is supplied with a start (d) to require counting of time t3 and a part of a received signal is stored. A PN code phase of stored data is calculated in a PN code phase calculator 46 during a period t3 to obtain an indication value i for a phase deviation. State vectors for short code and long code and further a reception time t4 are calculated on the basis of the indication value i to be set. When the high-accuracy timer 44 counts t3 and produces 0V(d), demodulation operation by a rake demodulation unit 40, a demultiplexing unit 41 and a descrambler unit 42 is started in accordance with the setting and is continued during the reception time t4.
    • 用于CDMA系统的接收机为了在间歇接收操作的暂停时段期间降低功率消耗,通过低功率定时器51监视暂停时段t1,使得VC-TCXO 1,参考信号组生成 单元2和接收单元3被关闭,并且调制解调器单元4被设置为睡眠状态。 在恢复接收操作时,高精度定时器44被提供有开始(d),以需要时间t3的计数,并且存储接收信号的一部分。 在期间t3期间,在PN码相位计算器46中计算存储数据的PN码相位,以获得相位偏差的指示值i。 基于要设定的指示值i计算短代码和长码的状态向量以及进一步的接收时间t4。 当高精度定时器44计数t3并产生0V(d)时,根据该设置开始由前置解调单元40,解复用单元41和解扰单元42的解调操作,并在接收时间t4期间继续。