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    • 3. 发明授权
    • Communication apparatus and communication method used in spectrum sharing environment
    • 在频谱共享环境中使用的通信设备和通信方法
    • US08014464B2
    • 2011-09-06
    • US11610767
    • 2006-12-14
    • Anass BenjebbourTakahiro AsaiHitoshi Yoshino
    • Anass BenjebbourTakahiro AsaiHitoshi Yoshino
    • H04L27/00
    • H04L25/03834
    • A communication apparatus used in a spectrum sharing environment in which multiple communication systems coexist using the same spectrum band is provided. The apparatus includes a transmission pulse shaper that performs bandwidth limitation on a pulse which is used to send data symbols; a monitoring unit that monitors in-band interference conditions from coexisting systems other than a target system to which the communication apparatus belongs, and availability of unused spectrum on adjacent channels of the target system; a controller that controls a pulse transmission period and a pulse width of the transmission pulse shaper based on the monitoring result; and a transmission unit that transmits the band-limited signal.
    • 提供了在使用相同频带的多个通信系统共存的频谱共享环境中使用的通信装置。 该装置包括对用于发送数据符号的脉冲执行带宽限制的传输脉冲整形器; 监视单元,其监视来自与通信装置所属的目标系统以外的共存系统的带内干扰状况以及目标系统的相邻信道上的未使用频谱的可用性; 基于所述监视结果控制所述发送脉冲整形器的脉冲发送期间和脉冲宽度的控制器; 以及发送带限信号的发送单元。
    • 4. 发明授权
    • Transmission device and transmission method
    • 传输装置及传输方式
    • US07860075B2
    • 2010-12-28
    • US11684363
    • 2007-03-09
    • Anass BenjebbourTakahiro AsaiHitoshi Yoshino
    • Anass BenjebbourTakahiro AsaiHitoshi Yoshino
    • H04B7/212H04B7/216H04B1/26H04J3/00H04L12/28
    • H04L27/0008H04L25/03834
    • In the communication system, a transmission signal based on the first radio access scheme is generated, and in the communication system a transmission signal based on the second radio access scheme different from the first radio access scheme is generated. A usage status of the frequency spectrum of the transmission signal based on the first radio access scheme, as well as the known parameters of the transmission signal based on the second radio access scheme, are determined by the pulse-shaping controller. Then, the pulse-shaping controller performs control so as to pulse-shape the transmission signal based on the first radio access scheme by means of the transmit filter on the basis of the result of the above determination, or performs control so as to pulse-shape the transmission signal based on the second radio access scheme by means of the transmit filter on the basis of the result of the above determination.
    • 在通信系统中,生成基于第一无线接入方式的发送信号,在通信系统中,生成与第一无线接入方式不同的第二无线接入方式的发送信号。 基于第一无线电接入方案的发送信号的频谱的使用状态以及基于第二无线电接入方案的发送信号的已知参数由脉冲整形控制器确定。 然后,脉冲整形控制器基于上述判定结果,通过发送滤波器,进行基于第一无线接入方式的发送信号的脉冲形状的控制,或进行脉冲整形控制, 基于上述确定的结果,通过发送滤波器,基于第二无线电接入方案来形成发送信号。
    • 10. 发明申请
    • TRANSMISSION DEVICE AND TRANSMISSION METHOD
    • 传输设备和传输方法
    • US20070211687A1
    • 2007-09-13
    • US11684363
    • 2007-03-09
    • Anass BenjebbourTakahiro AsaiHitoshi Yoshino
    • Anass BenjebbourTakahiro AsaiHitoshi Yoshino
    • H04B7/212
    • H04L27/0008H04L25/03834
    • In the communication system, a transmission signal based on the first radio access scheme is generated, and in the communication system a transmission signal based on the second radio access scheme different from the first radio access scheme is generated. A usage status of the frequency spectrum of the transmission signal based on the first radio access scheme, as well as the known parameters of the transmission signal based on the second radio access scheme, are determined by the pulse-shaping controller. Then, the pulse-shaping controller performs control so as to pulse-shape the transmission signal based on the first radio access scheme by means of the transmit filter on the basis of the result of the above determination, or performs control so as to pulse-shape the transmission signal based on the second radio access scheme by means of the transmit filter on the basis of the result of the above determination.
    • 在通信系统中,生成基于第一无线接入方式的发送信号,在通信系统中,生成与第一无线接入方式不同的第二无线接入方式的发送信号。 基于第一无线电接入方案的发送信号的频谱的使用状态以及基于第二无线电接入方案的发送信号的已知参数由脉冲整形控制器确定。 然后,脉冲整形控制器基于上述判定结果,通过发送滤波器,进行基于第一无线接入方式的发送信号的脉冲形状的控制,或进行脉冲整形控制, 基于上述确定的结果,通过发送滤波器,基于第二无线电接入方案来形成发送信号。