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    • 56. 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。
    • 57. 发明授权
    • DRX functionality in multi-carrier wireless networks
    • 多载波无线网络中的DRX功能
    • US08526377B2
    • 2013-09-03
    • US12934207
    • 2008-09-03
    • Bengt LindoffStefan ParkvallErik Dahlman
    • Bengt LindoffStefan ParkvallErik Dahlman
    • H04W4/00H04B7/005
    • H04W52/0216H04W76/28Y02D70/1262Y02D70/1264Y02D70/24Y02D70/25
    • Mechanisms to provide independent DRX (discontinuous reception) functionalities for individual carriers of a multi-carrier wireless network (200) are described. DRX is a higher layer functionality indicating which TTIs (transmission time intervals) a user equipment (220) needs to read for control signals. Operating in the DRX cycle allows the user equipment (220) to reduce battery consumption. A connection is established between a base station (210) and the user equipment (220) over a plurality of carriers, where for each carrier, an independent DRX cycle is established. The plurality of carriers include anchor carriers which can carry commands from the base station (210). The anchor carriers have shorter DRX cycles than the non-anchor carriers. When a large amount of download data is to be transferred, the DRX cycles of multiple carriers are overridden and used for transfer to achieve fast download rates. The override commands are sent from the base station (210) to the user equipment (220) prior to the transfer.
    • 描述了为多载波无线网络(200)的各个载波提供独立的DRX(间歇接收)功能的机制。 DRX是指示用户设备(220)为控制信号需要读取哪些TTI(传输时间间隔)的较高层功能。 在DRX周期中操作允许用户设备(220)减少电池消耗。 在多个载波上在基站(210)和用户设备(220)之间建立连接,其中对于每个载波,建立独立的DRX周期。 多个载波包括可承载来自基站(210)的命令的锚载波。 锚载波具有比非锚载波更短的DRX周期。 当要传送大量的下载数据时,多个载波的DRX周期被覆盖并用于传输以实现快速下载速率。 覆盖命令在传输之前从基站(210)发送到用户设备(220)。