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    • 4. 发明授权
    • Method and apparatus for determining transmission power of a secondary transmitter in a hierarchical spectrum sharing system
    • 用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置
    • US09313746B2
    • 2016-04-12
    • US13995845
    • 2011-09-16
    • Chaofeng LiLei JiangMing Lei
    • Chaofeng LiLei JiangMing Lei
    • H04B7/00H04W52/24H04W52/22H04W52/34
    • H04W52/241H04W52/226H04W52/244H04W52/34
    • The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded.
    • 本发明提供一种用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置。 该方法可以包括以下步骤:从次发射机的传输范围内的至少一个主接收机获得主链路上的信道质量信息; 以及基于所述信道质量信息确定所述辅助发射机的发射功率,其中所述发射功率与由所述信道质量信息指示的信道质量匹配。 根据本发明的实施例,基于主链路上的信道质量信息,将次级发射机应用功率控制方案。 以这种方式,可以通过对主接收机的可控的速率损失来提高次级发射机的吞吐量,因此可以进一步升级整个系统的频谱效率。
    • 5. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING TRANSMISSION POWER OF A SECONDARY TRANSMITTER IN A HIERARCHICAL SPECTURM SHARING SYSTEM
    • 用于确定分层分支系统中二次发射机传输功率的方法和装置
    • US20130344913A1
    • 2013-12-26
    • US13995845
    • 2011-09-16
    • Chaofeng LiLei JiangMing Lei
    • Chaofeng LiLei JiangMing Lei
    • H04W52/24
    • H04W52/241H04W52/226H04W52/244H04W52/34
    • The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded.
    • 本发明提供一种用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置。 该方法可以包括以下步骤:从次发射机的传输范围内的至少一个主接收机获得主链路上的信道质量信息; 以及基于所述信道质量信息确定所述辅助发射机的发射功率,其中所述发射功率与由所述信道质量信息指示的信道质量匹配。 根据本发明的实施例,基于主链路上的信道质量信息,将次级发射机应用功率控制方案。 以这种方式,可以通过对主接收机的可控的速率损失来提高次级发射机的吞吐量,因此可以进一步升级整个系统的频谱效率。