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    • 2. 发明申请
    • Uplink Reference Signal Sequence Assignments in Wireless Networks
    • 无线网络上行参考信号序列分配
    • US20090046645A1
    • 2009-02-19
    • US12189277
    • 2008-08-11
    • Pierre BERTRANDTarik MuharemovicZukang Shen
    • Pierre BERTRANDTarik MuharemovicZukang Shen
    • H04Q7/00
    • H04L27/2613H04J11/0069H04W72/1284
    • Transmission of sequences in wireless networks from a user equipment (UE) includes various types of reference signals, such as a sounding reference signal (SRS) and a physical uplink control channel (PUCCH) symbol. The UE receives an indication of a reference signal sequence group number u, wherein physical uplink control channel (PUCCH) sequences are divided into groups having at least one sequence each and wherein sounding reference signal (SRS) sequences are divided into groups having at least one sequence each. The UE produces a sequence from an SRS sequence group with the sequence group number u when an SRS is to be transmitted and produces a sequence from a PUCCH sequence group with the sequence group number u when a PUCCH symbol is to be transmitted. The UE produces a transmission signal using the produced sequence.
    • 来自用户设备(UE)的无线网络中的序列传输包括各种类型的参考信号,例如探测参考信号(SRS)和物理上行链路控制信道(PUCCH)符号。 UE接收参考信号序列组号u的指示,其中物理上行链路控制信道(PUCCH)序列被分成具有每个至少一个序列的组,并且其中探测参考信号(SRS)序列被划分为具有至少一个 每个序列。 当要发送SRS时,UE从具有序列组号u的SRS序列组产生序列,并且当要发送PUCCH符号时,从具有序列组号u的PUCCH序列组产生序列。 UE使用所产生的序列产生传输信号。
    • 4. 发明申请
    • RANDOM ACCESS STRUCTURE FOR OPTIMAL CELL COVERAGE
    • 随机存取结构的最佳细胞覆盖
    • US20080192678A1
    • 2008-08-14
    • US11833329
    • 2007-08-03
    • Pierre BERTRANDAnand DABAKJing JIANG
    • Pierre BERTRANDAnand DABAKJing JIANG
    • H04Q7/00
    • H04W74/0866H04J3/0682H04L27/2607
    • Apparatus and method for accessing a wireless telecommunications network by transmitting a random access signal. The random access signal includes a cyclic prefix signal and a guard interval. The cyclic prefix signal and the guard interval are adapted to optimize random access channel coverage in a telecommunications cell. The disclosed method for transmitting a random access signal includes transmitting a cyclic prefix signal. The duration of the cyclic prefix signal is approximately the sum of a maximum round trip delay duration of the telecommunications cell and a maximum delay spread duration. The method further includes providing a guard interval. The guard interval duration being approximately the duration of the maximum round trip delay of the telecommunications cell.
    • 通过发送随机接入信号来接入无线电信网络的装置和方法。 随机接入信号包括循环前缀信号和保护间隔。 循环前缀信号和保护间隔适于优化电信小区中的随机接入信道覆盖。 所公开的用于发送随机接入信号的方法包括发送循环前缀信号。 循环前缀信号的持续时间大约是电信小区的最大往返延迟持续时间和最大延迟扩展持续时间之和。 该方法还包括提供保护间隔。 保护间隔持续时间大约是电信小区的最大往返延迟的持续时间。
    • 8. 发明申请
    • DYMANIC INTERPOLATION LOCATION
    • DYMANIC插值位置
    • US20080267260A1
    • 2008-10-30
    • US11931906
    • 2007-10-31
    • Pierre BERTRANDDavid J. HOYLEEric BISCONDI
    • Pierre BERTRANDDavid J. HOYLEEric BISCONDI
    • H04B1/707
    • H04B1/707
    • Apparatus and method for optimizing interpolation in the despreader data-path of a wireless telecommunications network employing CDMA technology. A base station dynamically evaluates its configuration to determine an interpolator location. The location of the interpolator in a despreader data-path is dynamically selected. A received signal is interpolated. The despread received signals are combined, and further processing is applied to the combined signal. To enhance system performance, the interpolator may be located at least to perform chip-sample interpolation per antenna stream at chip rate, chip-sample interpolation per user at chip rate, or symbol-sample interpolation per user at (sub) symbol rate.
    • 在采用CDMA技术的无线电信网络的解扩器数据路径中优化内插的装置和方法。 基站动态地评估其配置以确定内插器位置。 动态地选择内插器在解扩器数据路径中的位置。 接收到的信号被内插。 解扩后的接收信号进行组合,对组合信号进行进一步处理。 为了提高系统性能,内插器可以至少位于以码片速率每芯片速率的每个天线流进行芯片样本插值,以码片速率对每个用户进行芯片样本插值,或以(子)符号率对每个用户进行符号样本插值。