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    • 5. 发明授权
    • Terminal access method and radio communication network
    • 终端接入方式和无线通信网络
    • US09392530B2
    • 2016-07-12
    • US13806284
    • 2010-11-16
    • Feng XieZhaohua LuLin ChenJianjian Zhu
    • Feng XieZhaohua LuLin ChenJianjian Zhu
    • H04W76/02H04W48/06
    • H04W48/06H04W48/08H04W76/10
    • The disclosure discloses a terminal access method and a radio communication network. The method comprises: after a first terminal accesses the radio communication network, the radio communication network stores the first context information corresponding to a first identifier of the first terminal; the radio communication network receives an access request message from a second terminal, wherein the access request information carries a second identifier of the second terminal; the radio communication network establishes the second context information for the second terminal according to the first identifier, the first context information and the second identifier; and the radio communication network implements the access of the second terminal according to the second context information. In the disclosure, duplicate establishment of the same information in context information can be avoided, so that the non-data-service overhead of the radio communication network is reduced.
    • 本公开公开了一种终端接入方法和无线电通信网络。 该方法包括:在第一终端接入无线通信网络之后,无线通信网络存储对应于第一终端的第一标识符的第一上下文信息; 所述无线通信网络从第二终端接收接入请求消息,其中,所述接入请求信息携带所述第二终端的第二标识符; 无线电通信网络根据第一标识符,第一上下文信息和第二标识符建立第二终端的第二上下文信息; 无线通信网根据第二上下文信息来实现第二终端的接入。 在本公开中,可以避免上下文信息中相同信息的重复建立,从而降低无线电通信网络的非数据业务开销。
    • 9. 发明申请
    • P-TYPE ISOLATION REGIONS ADJACENT TO SEMICONDUCTOR LASER FACETS
    • P型隔离区域与半导体激光表面相邻
    • US20120236890A1
    • 2012-09-20
    • US13050058
    • 2011-03-17
    • Catherine G. CaneauFeng XieChung-En Zah
    • Catherine G. CaneauFeng XieChung-En Zah
    • H01S5/343H01L33/00H01S5/34
    • H01S5/3402B82Y20/00H01S5/06256H01S5/1017H01S5/168H01S5/2224H01S5/2231
    • A quantum cascade laser and its method of fabrication are provided. The quantum cascade laser comprises one or more p-type electrical isolation regions and a plurality of electrically isolated laser sections extending along a waveguide axis of the laser. An active waveguide core is sandwiched between upper and lower n-type cladding layers and the active core and the upper and lower n-type cladding layers extend through the electrically isolated laser sections of the quantum cascade laser. A portion of the upper n-type cladding layer comprises sufficient p-type dopant to have become p-type and to have become an electrical isolation region, which extends across at least a part of the thickness upper n-type cladding layer along a projection separating the sections of the quantum cascade laser. Laser structures are also contemplated where isolation regions are solely provided at the window facet sections of the laser to provide vertical isolation in the facet sections, to reduce the current into the facet regions of the laser, and help minimize potentially harmful facet heating.
    • 提供了量子级联激光器及其制造方法。 量子级联激光器包括沿着激光器的波导轴线延伸的一个或多个p型电隔离区域和多个电隔离的激光器部分。 有源波导芯夹在上,下n型覆层之间,有源芯和上,下n型覆层延伸穿过量子级联激光器的电隔离激光器部分。 上部n型包覆层的一部分包括足够的p型掺杂剂以成为p型并且已经成为电绝缘区域,其沿厚度的上部n型包覆层的至少一部分沿突出部 分离量子级联激光器的部分。 还设想了激光结构,其中仅在激光器的窗口部分处提供隔离区域以在小平面部分中提供垂直隔离,以减少进入激光器的小面区域的电流,并且帮助最小化潜在的有害面积加热。