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    • 3. 发明申请
    • Cell Searching System and Method
    • 小区搜索系统和方法
    • US20110244850A1
    • 2011-10-06
    • US13158895
    • 2011-06-13
    • Bengt LindoffRobert BaldemairErik DahlmanStefan Parkvall
    • Bengt LindoffRobert BaldemairErik DahlmanStefan Parkvall
    • H04W4/00
    • H04L27/2655H04J11/0069H04L27/2602H04L27/2675
    • For wireless networks that transmit synchronization signals allowing user equipment to synchronize to cells within the network and transmit reference signals allowing user equipment to determine cell identities, a method and apparatus taught herein advantageously link the synchronization signal sequences to the reference signal sequences according to a defined mapping. The linking simplifies the cell search process by allowing user equipment to determine cell identities based on mapping detected synchronization signal sequences to the corresponding reference signal or to the corresponding subset of reference signals in embodiments where there are more reference signal sequences than synchronization signal sequences. In at least one embodiment, the network is a 3G LTE network and at least the Primary Synchronization Signal (P-SyS) sequences are linked to the Downlink (DL) reference symbol sequences according to a defined mapping, thereby allowing to user equipment to determine cell identities from detected P-SyS sequences.
    • 对于发送允许用户设备与网络中的小区同步并发送允许用户设备确定小区标识的参考信号的同步信号的无线网络,本文教导的方法和装置有利地将同步信号序列链接到参考信号序列, 映射。 该链接通过允许用户设备基于将检测到的同步信号序列映射到对应的参考信号或者在具有比同步信号序列更多的参考信号序列的参考信号序列的相应子集中来确定小区标识来简化小区搜索过程。 在至少一个实施例中,网络是3G LTE网络,并且至少主同步信号(P-SyS)序列根据定义的映射链接到下行链路(DL)参考符号序列,从而允许用户设备确定 来自检测到的P-SyS序列的细胞鉴定。
    • 8. 发明授权
    • Technique for transmitting on multiple frequency resources in a telecommunication system
    • 在电信系统中多频率资源发射的技术
    • US08542645B2
    • 2013-09-24
    • US13119512
    • 2009-08-28
    • Stefan ParkvallRobert BaldemairErik Dahlman
    • Stefan ParkvallRobert BaldemairErik Dahlman
    • H04Q7/00
    • H04L27/2636
    • The present disclosure relates to a technique for transmitting modulation symbols on multiple frequency resources. A method aspect of this technique includes applying a Discrete Fourier Transform (DFT) coding per set of modulation symbols of two or more sets of modulation symbols, wherein a first set of modulation symbols from the two or more sets of modulation symbols is transmitted on a set of frequency resources handled by the same power amplifier. Then, Orthogonal Frequency Division Multiplexing (OFDM) modulation is applied to the sets of DFT coded modulation symbols to output a first set of OFDM symbols for transmission on the set of frequency resources, and output another set of OFDM symbols for transmission on at least one additional frequency resource distinct from the set of frequency resources. Power amplification is then applied per set of frequency resources at the power amplifier.
    • 本公开涉及一种用于在多个频率资源上发送调制符号的技术。 该技术的方法方面包括对每组调制符号的两组或更多组应用对每组调制符号的离散傅里叶变换(DFT)编码,其中来自两组或更多组调制符号的第一组调制符号在 由同一功率放大器处理的一组频率资源。 然后,将正交频分复用(OFDM)调制应用于DFT编码调制符号组,以输出第一组OFDM符号,用于频率资源集合上的传输,并输出另一组OFDM符号以在至少一个 附加频率资源与频率资源集不同。 然后在功率放大器上对每组频率资源施加功率放大。
    • 9. 发明授权
    • Cell searching system and method
    • 小区搜索系统和方法
    • US08670384B2
    • 2014-03-11
    • US13158895
    • 2011-06-13
    • Bengt LindoffRobert BaldemairErik DahlmanStefan Parkvall
    • Bengt LindoffRobert BaldemairErik DahlmanStefan Parkvall
    • H04W4/00H04J3/06H04W72/00
    • H04L27/2655H04J11/0069H04L27/2602H04L27/2675
    • For wireless networks that transmit synchronization signals allowing user equipment to synchronize to cells within the network and transmit reference signals allowing user equipment to determine cell identities, a method and apparatus taught herein advantageously link the synchronization signal sequences to the reference signal sequences according to a defined mapping. The linking simplifies the cell search process by allowing user equipment to determine cell identities based on mapping detected synchronization signal sequences to the corresponding reference signal or to the corresponding subset of reference signals in embodiments where there are more reference signal sequences than synchronization signal sequences. In at least one embodiment, the network is a 3G LTE network and at least the Primary Synchronization Signal (P-SyS) sequences are linked to the Downlink (DL) reference symbol sequences according to a defined mapping, thereby allowing to user equipment to determine cell identities from detected P-SyS sequences.
    • 对于发送允许用户设备与网络中的小区同步并发送允许用户设备确定小区标识的参考信号的同步信号的无线网络,本文教导的方法和装置有利地将同步信号序列链接到参考信号序列, 映射。 该链接通过允许用户设备基于将检测到的同步信号序列映射到对应的参考信号或者在具有比同步信号序列更多的参考信号序列的参考信号序列的相应的参考信号子集中来简化小区搜索过程。 在至少一个实施例中,网络是3G LTE网络,并且至少主同步信号(P-SyS)序列根据定义的映射链接到下行链路(DL)参考符号序列,从而允许用户设备确定 来自检测到的P-SyS序列的细胞鉴定。