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    • 2. 发明申请
    • SINGLE ANTENNA, MULTI-BAND FREQUENCY DIVISION MULTIPLEXED MOBILE COMMUNICATION
    • 单天线,多频段多路复用移动通信
    • WO2012129550A1
    • 2012-09-27
    • PCT/US2012/030471
    • 2012-03-23
    • QUALCOMM INCORPORATEDHE, Xiaoyin
    • HE, Xiaoyin
    • H01P1/213H04B1/38H04B1/40H04L27/00
    • H04L27/00H04B1/0057
    • A frequency division (FD) multiplexing device includes a multiplexer including a band-pass and a band-stop filter, the multiplexer is communicatively coupled to an antenna, the band-pass filter is configured to allow pass band frequencies to pass un-attenuated and to attenuate signals outside of the pass band. The band-stop filter is configured to attenuate signals at frequencies in at least a portion of the pass-band and allow frequencies outside the pass-band to pass un-attenuated. The multiplexing device further includes filters communicatively coupled to the multiplexer to receive first and second receive signals in first and second receive bands, where the first and second receive filters attenuate signals at frequencies outside of the first and second receive bands, respectively, and first and second transmit filters attenuate signals at frequencies outside a first transmit band and signals at frequencies outside a second transmit band, and couple the first and second filtered transmit signals to the multiplexer such that the first and second transmit signals are transmitted via the antenna. At least one of the first receive band and the first transmit band are located in the pass-band and intermingled between the second receive band and the second transmit band.
    • 分频(FD)复用设备包括多路复用器,包括带通和带阻滤波器,多路复用器通信地耦合到天线,带通滤波器被配置为允许通带频率通过未衰减和 以衰减通带外的信号。 带阻滤波器被配置为在通带的至少一部分中以频率衰减信号,并允许通带外的频率通过未衰减。 多路复用装置还包括通信地耦合到多路复用器以在第一和第二接收频​​带中接收第一和第二接收信号的滤波器,其中第一和第二接收滤波器分别在第一和第二接收频​​带外的频率衰减信号, 第二发射滤波器在第一发射频带外的频率处衰减信号,并在第二发射频带外的频率处衰减信号,并将第一和第二滤波后的发射信号耦合到多路复用器,使得第一和第二发射信号经天线发射。 第一接收频带和第一发射频带中的至少一个位于通带中并且混合在第二接收频​​带和第二发射频带之间。
    • 3. 发明申请
    • REDUCED TRANSMIT POWER FOR WIRELESS RADIO COEXISTENCE
    • 降低发射功率的无线无线电共享
    • WO2012040497A1
    • 2012-03-29
    • PCT/US2011/052813
    • 2011-09-22
    • QUALCOMM INCORPORATEDKADOUS, Tamer AdelHE, XiaoyinDAYAL, PranavMANTRAVADI, AshokWANG, Jibing
    • KADOUS, Tamer AdelHE, XiaoyinDAYAL, PranavMANTRAVADI, AshokWANG, Jibing
    • H04W52/16H04W52/18H04W52/38H04W16/14
    • H04W52/18H04W16/14H04W52/16H04W52/38
    • In user equipments (UEs) with multiple radios, interference between those radios may be reduced by monitoring radio performance and adjusting aggressor transmit power levels to ensure victim and aggressor performance stay within desired operational levels. Various factors may determine when a reduced power approach is desired. Such factors may include aggressor transmit power, received signal strength indicator, victim error rate, throughput loss, coverage impact, etc. Various methods of reducing transmit power may be used. For example, for Long Term Evolution communications, a power headroom report may be altered to adjust a modulation coding scheme and bandwidth allocated for a particular UE. For Bluetooth communications a power control mechanism may be overridden to ensure a device stays within a desired transmit power. A power reduction loop may be employed to monitor a device's transmit power.
    • 在具有多个无线电的用户设备(UE)中,可以通过监视无线电性能并调整攻击者发射功率电平来降低这些无线电之间的干扰,以确保受害者和侵略者的性能保持在期望的操作级别内。 各种因素可能决定何时需要降低功率的方法。 这些因素可能包括攻击者发射功率,接收信号强度指示符,受害者错误率,吞吐量损失,覆盖影响等。可以使用各种降低发射功率的方法。 例如,对于长期演进通信,可以改变功率余量报告以调整为特定UE分配的调制编码方案和带宽。 对于蓝牙通信,可以覆盖功率控制机制以确保设备保持在期望的发射功率内。 可以采用功率降低环路来监视设备的发射功率。