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    • 1. 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。
    • 4. 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。
    • 9. 发明授权
    • Methods for the separation of compounds from acidic aqueous solutions
    • 从酸性水溶液中分离化合物的方法
    • US06238462B1
    • 2001-05-29
    • US09353202
    • 1999-07-14
    • Steven A. DunwoodyLei JiangDale R. PowersFreddie G. Prince
    • Steven A. DunwoodyLei JiangDale R. PowersFreddie G. Prince
    • B01D5314
    • B01D53/64C03B19/1446C03B37/0144C03B37/01846C03B2201/31
    • A method is disclosed for recovering germanium from a gaseous mixture which includes a germanium-containing compound in vapor or particulate form, acid in vapor form, and water vapor. The gaseous mixture is contacted with a liquid containing water under conditions effective to dissolve the germanium-containing compound in the liquid. The acidity of the resulting liquid mixture is increased under conditions effective to vaporize the germanium-containing compound. The vaporized germanium-containing compound is contacted with one or more aqueous solutions under conditions effective to dissolve and precipitate the germanium-containing compound in at least one of the one or more aqueous solutions, and the resulting precipitate is separated from the at least one of the one or more aqueous solutions. The methods described herein are particularly well suited for recovering germanium from the waste gases produced during optical waveguide manufacturing processes. Germanium recovered by this method can thereafter be used in the production of semiconductors, optical waveguide fibers and optical components.
    • 公开了一种用于从气体混合物中回收锗的方法,所述气体混合物包括蒸气或颗粒形式的含锗化合物,蒸汽形式的含酸化合物和水蒸气。 在有效溶解含锗化合物的液体中的条件下,气态混合物与含有液体的液体接触。 所得液体混合物的酸度在有效蒸发含锗化合物的条件下增加。 蒸发的含锗化合物在有效溶解和沉淀至少一种一种或多种水溶液中的含锗化合物的条件下与一种或多种水溶液接触,并将所得沉淀物从至少一种 一种或多种水溶液。 本文描述的方法特别适用于从光波导制造过程中产生的废气中回收锗。 然后通过该方法回收的锗可以用于半导体,光波导纤维和光学部件的制造。