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    • 37. 发明申请
    • DESIGN OF SIDELINK DEMODULATION REFERENCE SIGNALS
    • SIDELINK解调参考信号的设计
    • WO2018031061A1
    • 2018-02-15
    • PCT/US2017/014033
    • 2017-01-19
    • INTEL CORPORATION
    • KHORYAEV, AlexeyCHERVYAKOV, AndreyBELOV, DmitrySHILOV, Mikhail
    • H04L5/00
    • H04L5/0051
    • Systems, methods, and devices for Sidelink communication are described. A symbol index ( m ) is determined from a plurality of symbol indices where each symbol index ( m ) corresponds to a symbol ( l) of a subframe of a Long-Term Evolution (LTE) Sidelink physical channel. Furthermore, the plurality of symbol indices includes at least three symbol indices ( m ). A plurality of elements of an orthogonal sequence (w (λ) ( m )) are also determined where each element in the orthogonal sequence (w (λ) (m)) corresponds to one of the symbol indices ( m ) in the plurality of symbol indices. A plurality of demodulation reference signals (DMRSs) are generated based on the plurality of elements of the orthogonal sequence (w (λ) ( m )). Each DMRS of the plurality of DMRSs is mapped to its corresponding symbol ( l ) of the subframe.
    • 描述了用于侧链通信的系统,方法和设备。 符号索引(m)由多个符号索引确定,其中每个符号索引(m)对应于符号索引(i)的符号 长期演进(LTE)侧链物理信道的子帧。 此外,多个符号索引包括至少三个符号索引(m)。 正交序列(w(λ)(m))中的多个元素也被确定,其中正交序列中的每个元素(w(λ) (m))对应于多个符号索引中的一个符号索引(m)。 基于正交序列(w(λ)(m))的多个元素生成多个解调参考信号(DMRS)。 多个DMRS中的每个DMRS被映射到其子帧的相应符号(<1>)。
    • 40. 发明申请
    • ENHANCED PHYSICAL SIGNAL STRUCTURE FOR LTE V2V COMMUNICATIONS
    • 增强LTE V2V通信的物理信号结构
    • WO2017026983A1
    • 2017-02-16
    • PCT/US2015/000466
    • 2015-12-26
    • INTEL CORPORATION
    • KHORYAEV, AlexeyCHERVYAKOV, AndreyBELOV, DmitrySHILOV, Mikhail
    • H04L5/00H04L27/26H04W88/06H04W84/00
    • H04L27/2602H04L5/0007H04L27/2626
    • A vehicle may wirelessly communicate with another vehicle via a physical channel (a vehicle-to-vehicle (V2V) channel) that is robust and reliable under high mobility propagation conditions. The physical channel may be created by modifying an existing long-term evolution (LTE) physical channel, such as an LTE sidelink (SL) channel. For instance, the V2V physical channel may be created by increasing, by a particular factor, the subcarrier spacing of legacy LTE channels (e.g., from 15 kilohertz (kHz) to 30 kHz). Additionally, a symbol duration and a fast Fourier transform (FFT) size for the V2V physical channel may each be reduced by the same factor. Doing so may enable the V2V physical channel to be implemented without significant modifications to other aspects of the LTE standard.
    • 车辆可以经由在高移动性传播条件下鲁棒且可靠的物理信道(车辆到车辆(V2V)信道)与另一车辆无线通信。 物理信道可以通过修改现有的长期演进(LTE)物理信道(诸如LTE侧向链路(SL))信道来创建。 例如,V2V物理信道可以通过特定因素增加传统LTE信道(例如,从15千赫兹(kHz)到30kHz)的子载波间隔来创建。 此外,用于V2V物理信道的符号持续时间和快速傅立叶变换(FFT)大小可以各自减少相同的因子。 这样做可以实现V2V物理信道而不对LTE标准的其它方面进行重大修改。