METHOD AND APPARATUS FOR AUTOMATICALLY CORRECTING RECEIVER OSCILLATOR FREQUENCY
    1.
    发明申请
    METHOD AND APPARATUS FOR AUTOMATICALLY CORRECTING RECEIVER OSCILLATOR FREQUENCY 审中-公开
    用于自动校正接收器振荡器频率的方法和设备

    公开(公告)号:WO2007015788A3

    公开(公告)日:2007-07-19

    申请号:PCT/US2006027585

    申请日:2006-07-17

    CPC classification number: H03J7/04

    Abstract: A method and apparatus for automatically correcting the frequency of a local oscillator of a receiver. A primary common pilot channel (CPICH) code sequence is generated by a CPICH code generator based on a reference cell identification signal and a frame start signal. The received despread CPICH code sequence is used to generate an estimated frequency error signal. A control voltage generator based on the estimated frequency error signal generates a control voltage signal. The CPICH code generator generates the CPICH code sequence based on signals received from a high speed downlink packet access (HSDPA) serving cell when HSDPA is active, or a timing reference cell when HSDPA is not active. The present invention achieves full maximum ratio combining gain when space-time transmit diversity (STTD) is used, even without receiving a transmit diversity indication.

    Abstract translation: 一种自动校正接收机本地振荡器频率的方法和装置。 基于参考小区识别信号和帧起始信号由CPICH码发生器生成主公共导频信道(CPICH)码序列。 所接收的解扩CPICH码序列被用于生成估计的频率误差信号。 基于估计的频率误差信号的控制电压生成器生成控制电压信号。 CPICH码发生器基于HSDPA有效时从高速下行链路分组接入(HSDPA)服务小区接收到的信号或HSDPA未激活时的定时参考小区产生CPICH码序列。 即使没有接收到发射分集指示,当使用空时发射分集(STTD)时,本发明也实现了全部最大比合并增益。

    METHOD AND APPARATUS FOR COMPENSATING FOR PHASE NOISE OF SYMBOLS SPREAD WITH A LONG SPREADING CODE
    2.
    发明申请
    METHOD AND APPARATUS FOR COMPENSATING FOR PHASE NOISE OF SYMBOLS SPREAD WITH A LONG SPREADING CODE 审中-公开
    用于补充符号扩展与长期扩展代码的相位噪声的方法和装置

    公开(公告)号:WO2006101703A2

    公开(公告)日:2006-09-28

    申请号:PCT/US2006007827

    申请日:2006-03-06

    CPC classification number: H04B1/707 H04B2201/70701

    Abstract: A method and apparatus for compensating for phase noise of symbols spread with a long spreading code are disclosed. To compensate for the phase noise, a phase error estimate is generated from despread symbols with a short spreading code. A phase correcting phasor is applied to chip rate data before despreading the data with a long spreading code. A signal-to-interference ratio (SIR) on a common pilot channel (CPICH) may be calculated by spreading the data with a parent spreading code in an orthogonal variable spreading factor (OVSF) code tree and by combining symbols. Alternatively, a magnitude of the symbols may be used in estimating the SIR. The SIR of a channel using a short spreading code and an SIR of a channel using a long spreading code are measured. The SIR of the channel with the long spreading code may be compensated in accordance with a difference between degradation of the SIRs.

    Abstract translation: 公开了一种用于补偿以扩展码扩展的符号的相位噪声的方法和装置。 为了补偿相位噪声,从具有短扩展码的解扩符号产生相位误差估计。 在用扩展码长的数据解扩之前,将相位校正相量应用于码片速率数据。 可以通过在正交可变扩展因子(OVSF)码树中扩展具有父扩展码的数据并通过组合符号来计算公共导频信道(CPICH)上的信号干扰比(SIR)。 或者,可以在估计SIR时使用符号的大小。 测量使用短扩展码的信道的SIR和使用长扩展码的信道的SIR。 具有长扩展码的信道的SIR可以根据SIR的劣化之间的差异来补偿。

    NODEB POWER ADAPTATION FOR REDUCING REFERENCES
    3.
    发明申请
    NODEB POWER ADAPTATION FOR REDUCING REFERENCES 审中-公开
    用于减少参考的NODEB电源适配器

    公开(公告)号:WO2012158959A1

    公开(公告)日:2012-11-22

    申请号:PCT/US2012/038424

    申请日:2012-05-17

    Abstract: Methods and apparatus for changing cell range coverage are disclosed. The coverage may be changed on a per-subframe basis. An antenna beam elevation tilting angle may be adjusted to provide different effective downlink (DL) coverage. For example, a subframe may be a small tilt subframe or a large tilt subframe. A network or evolved NodeB (eNB) may determine data channel transmission power to adjust cell range per subframe. Low Power Subframe (LPS) may be used alone or with Almost Blank Subframe (ABS) to transmit data. Timing Advance (TA) handling for uplink (UL) transmissions is described. A common TA (CTA) may be determined for multi-site UL signaling. UL power control may be determined for UL transmission to multiple sites. Radio Link Monitoring (RLM) may be performed for multiple sites on a carrier frequency. A wireless transmit/receive unit (WTRU) may maintain synchronization in selected subframes for multiple cells.

    Abstract translation: 公开了改变单元范围覆盖的方法和装置。 可以在每个子帧的基础上改变覆盖。 可以调整天线波束仰角倾斜角以提供不同的有效下行链路(DL)覆盖。 例如,子帧可以是小倾斜子帧或大倾斜子帧。 网络或演进型节点B(eNB)可以确定数据信道发射功率以调整每子帧的小区范围。 低功率子帧(LPS)可以单独使用或与几乎空白子帧(ABS)一起使用来传输数据。 描述了用于上行链路(UL)传输的定时提前(TA)处理。 可以为多站点UL信令确定公共TA(CTA)。 可以确定UL传输到多个站点的UL功率控制。 可以对载波频率上的多个站点执行无线电链路监视(RLM)。 无线发射/接收单元(WTRU)可以在多个小区的选定子帧中保持同步。

    METHOD AND APPARATUS FOR AUTOMATICALLY CORRECTING RECEIVER OSCILLATOR FREQUENCY
    4.
    发明申请
    METHOD AND APPARATUS FOR AUTOMATICALLY CORRECTING RECEIVER OSCILLATOR FREQUENCY 审中-公开
    用于自动校正接收器振荡器频率的方法和装置

    公开(公告)号:WO2007015788A2

    公开(公告)日:2007-02-08

    申请号:PCT/US2006/027585

    申请日:2006-07-17

    CPC classification number: H03J7/04

    Abstract: A method and apparatus for automatically correcting the frequency of a local oscillator of a receiver. A primary common pilot channel (CPICH) code sequence is generated by a CPICH code generator based on a reference cell identification signal and a frame start signal. The received despread CPICH code sequence is used to generate an estimated frequency error signal. A control voltage generator based on the estimated frequency error signal generates a control voltage signal. The CPICH code generator generates the CPICH code sequence based on signals received from a high speed downlink packet access (HSDPA) serving cell when HSDPA is active, or a timing reference cell when HSDPA is not active. The present invention achieves full maximum ratio combining gain when space-time transmit diversity (STTD) is used, even without receiving a transmit diversity indication.

    Abstract translation: 一种用于自动校正接收机的本地振荡器的频率的方法和装置。 基于参考小区识别信号和帧起始信号,由CPICH码发生器生成主公共导频信道(CPICH)码序列。 接收的解扩CPICH码序列用于产生估计的频率误差信号。 基于估计频率误差信号的控制电压发生器产生控制电压信号。 当HSDPA处于活动状态时,CPICH码发生器基于从高速下行链路分组接入(HSDPA)服务小区接收的信号,或者当HSDPA不活动时,定时参考小区,生成CPICH码序列。 即使没有接收到发射分集指示,本发明在使用空时传输分集(STTD)时实现了全最大比组合增益。

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