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    • 3. 发明公开
    • WIRELESS COMMUNICATION DEVICE AND METHOD FOR MULTI-MCS OFDM TRANSMISSIONS AT DIFFERENT TRANSMISSION POWER LEVELS
    • 无线通信设备和方法MULTI-MCS-OFDM变速箱不同传输功率级
    • EP2740247A4
    • 2015-03-25
    • EP11870676
    • 2011-12-05
    • INTEL CORP
    • KENNEY THOMAS JPERAHIA ELDAD
    • H04L27/26H04L1/00H04L25/03H04W84/12
    • H04L1/0003H04L1/0009H04L1/0015H04L1/06H04L5/0007H04L5/0023H04L5/0046H04L27/2627H04W52/367
    • Embodiments of a wireless communication device and method for multi-MCS OFDM transmissions at different transmission power levels are generally described herein. In some embodiments, the wireless communication device may have a multi-MCS OFDM transmitter that is configured to encode data for transmission over two or more RF channels with a single encoding scheme to generate an encoded data stream. The transmitter may segment bits of the encoded data stream into a bit stream for each of the RF channels based on a selected modulation level for each of the two or more RF channels. A separate time-domain multicarrier waveform may be concurrently transmitted on each of the two or more RF channels at a power level that is selected not to exceed a maximum allowable transmit power level for that RF channel. The modulation level for each RF channel may be selected based at least in part on the maximum allowable transmit power level for that RF channel.
    • 在不同的传输功率电平的多MCS OFDM传输的无线通信设备和方法的实施例中描述的基因的反弹。 在一些实施例中,无线通信设备可以具有多MCS OFDM发射机并经配置以编码在与单个编码方案的两个或多个RF信道用于传输的数据在编码数据流来生成。 发射机可对编码数据的分段的比特流转换为每个基于每个所述两个或更多个RF信道的选择的调制电平的RF信道的比特流。 被选择并没有超过该RF信道的最大允许发送功率电平的独立的时域多载波波形可以是反式mitted兼上各自以功率电平的两个或更多个RF信道。 每个RF信道的调制电平可基于至少被选择部分地基于该RF信道的最大允许发送功率电平。
    • 5. 发明公开
    • DETECTION OF 802.11P SIGNALS IN 802.11N/AC ENABLED DEVICES
    • NACHWEIS VON 802.11P-SIGNALEN BEI 802.11 N / AC-AKTIVIERTEN VORRICHTUNGEN
    • EP2995016A4
    • 2017-01-04
    • EP13883901
    • 2013-11-26
    • INTEL CORP
    • AZIZI SHAHRNAZKENNEY THOMAS JPERAHIA ELDAD
    • H04W74/08H04W84/12
    • H04W74/0816H04W84/12
    • Embodiments allow a wireless device configured to work with the 802.11n/ac standard to work in the communication bands where 802.11p devices operate with little change. Embodiments may receive signals using a receiver adapted for the wider bandwidth 802.11n/ac signals. Embodiments may also increase the sensitivity of the receiver to reduce the likelihood of missing the presence of a lower bandwidth 802.11p signal. When a signal is detected, embodiments may process the incoming signal as if it were an 802.11n/ac signal while also processing incoming signal samples in a way that effectively narrows the receiver bandwidth to identify whether an 802.11p signal is present. If the device detects the presence of an 802.11n/ac signal, it may terminate the 802.11p signal processing and proceed with normal 802.11n/ac operation. If the device detects the presence of an 802.11p signal, it may terminate 802.11n/ac processing and trigger collision avoidance processes.
    • 实施例允许配置成使用802.11n / ac标准的无线设备在802.11p设备以几乎没有变化的情况下工作的通信频带中工作。 实施例可以使用适合于更宽带宽802.11n / ac信号的接收机来接收信号。 实施例还可以增加接收机的灵敏度,以减少缺少较低带宽802.11p信号的存在的可能性。 当检测到信号时,实施例可以处理输入信号,就像它是802.11n / ac信号一样,同时也以有效地缩小接收机带宽以识别是否存在802.11p信号的方式来处理输入信号样本。 如果设备检测到802.11n / ac信号的存在,它可能会终止802.11p信号处理,并进行正常的802.11n / ac操作。 如果设备检测到802.11p信号的存在,它可以终止802.11n / ac处理并触发避免冲突的过程。