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    • 81. 发明授权
    • Method and apparatus for dormant mode support with paging
    • 用寻呼方式支持休眠模式的方法和装置
    • US07769397B2
    • 2010-08-03
    • US12133265
    • 2008-06-04
    • Daichi FunatoFujio WatanabeToshio Miki
    • Daichi FunatoFujio WatanabeToshio Miki
    • H04W68/00
    • H04W68/00H04W48/16H04W48/20H04W52/0216H04W52/0219H04W64/00H04W76/20H04W80/04H04W84/12H04W88/08Y02D70/142Y02D70/22
    • Apparatuses and methods are disclosed herein for implementing dormant mode with paging in a WLAN. Power savings in the computing device and reduction in traffic across the network are achieved by requiring a computing device to inform the WLAN of its location only when it crosses a paging area boundary or is to receive IP traffic. Dormant mode with paging is implemented in a protocol that supports dormant functionality and paging functionality but does not itself provide methods or standards for implementing such functionality, such as the IEEE 802.11. The methods and apparatuses disclosed herein provide the methods needed to implement dormant mode with paging in such a protocol. Generally, the methods and apparatuses for implementing dormant mode with paging basically include (1) establishing paging areas; (2) communicating access group information to a computing device; and (3) locating a computing device.
    • 本文公开了用于在WLAN中实现具有寻呼的休眠模式的装置和方法。 通过要求计算设备仅在其跨越寻呼区域边界或者要接收IP流量时才通知WLAN其位置来实现计算设备中的功率节省和网络上的流量减少。 具有寻呼的休眠模式在支持休眠功能和寻呼功能的协议中实现,但本身不提供用于实现这种功能的方法或标准,例如IEEE 802.11。 这里公开的方法和装置提供了在这种协议中实现具有寻呼的休眠模式所需的方法。 通常,用于实现寻呼的休眠模式的方法和装置基本上包括(1)建立寻呼区域; (2)将访问组信息传送到计算设备; 和(3)定位计算设备。
    • 84. 发明申请
    • Proactive Per-Class Load Management
    • 主动式每级负载管理
    • US20080170497A1
    • 2008-07-17
    • US11868281
    • 2007-10-05
    • Moo Ryong JeongFujio WatanabeHiroshi Inamura
    • Moo Ryong JeongFujio WatanabeHiroshi Inamura
    • H04L12/26
    • H04W28/08H04W84/12
    • An apparatus and a method proactively manage the load of an 802.11 WLAN based on one or more per-class station counts, in which the stations are classified according to access categories (ACs), user priorities (UPs), or services. Alternatively, the load of an 802.11 WLAN may also be proactively managed based on provisional or non-provisional per-class traffic specification (TSPECs), depending upon the status of traffic streams (TSs). Load balancing may be achieved by (a) collecting per-class station count information, either through an AP, or through exchanges with neighboring APs or wireless stations, and (b) proactively influencing association decisions between wireless stations and APs. A wireless station may be classified according to ACs, UPs, or services. Alternatively, load balancing may be achieved by (a) collecting provisional or non-provision per-class traffic specification (TSPEC) through an AP, or through exchanges with neighboring APs or wireless stations, and (b) proactively influencing association decisions between wireless stations and APs.
    • 一种装置和方法,主要根据一个或多个每类站点计数来管理802.11 WLAN的负载,其中根据接入类别(AC),用户优先级(UP)或服务来分类站。 或者,取决于业务流(TS)的状态,802.11 WLAN的负载也可以基于临时或非临时每类流量规范(TSPEC)来主动管理。 负载均衡可以通过以下方式实现:(a)通过AP或通过与相邻AP或无线站的交换来收集每类站点计数信息,以及(b)主动地影响无线站和AP之间的关联决定。 无线站可以根据AC,UP或服务进行分类。 或者,可以通过(a)通过AP收集临时或非提供的每类流量规范(TSPEC)或通过与相邻AP或无线站的交换来实现负载平衡,以及(b)主动影响无线站之间的关联决定 和AP。
    • 89. 发明授权
    • Methods for enhancing performance of open-access and closed-access femtocells
    • 用于增强开放接入和封闭接入毫微微蜂窝基站的性能的方法
    • US08428602B2
    • 2013-04-23
    • US12901341
    • 2010-10-08
    • Ismail GuvencFujio Watanabe
    • Ismail GuvencFujio Watanabe
    • H04W36/00
    • H04W36/04H04W36/165H04W84/045
    • In a system including one or more femtocells within a service area of a macrocell, a method includes: (a) receiving from a base station of each femtocell information regarding available resources at the femtocell; (b) measuring an signal-interference-to-noise ratio (SINR) at a mobile station relative to the macrocell and each femtocell; and (c) selecting for the mobile station one of the femtocells for a hand-off, wherein the femtostation is selected based on the combined capacity of the macrocell and the femtocells after the hand-off. When a hand-off to a femtocell is not allowed, a method for determining whether or not a spectral resource of the macrocell is reused includes (a) receiving from a base station of the macrocell a first set of spectrum-sensing data, the first set of spectrum-sensing data comprising spectrum-sensing data of mobile station of the macrocell; (b) receiving from one or more mobile stations associated with the femtocells a second said of spectrum-sensing data; and (c) based on the first set of the spectrum-sensing data and the second set of spectrum-sensing data, determining whether or not to reuse in a femtocell a portion of a spectrum used by the macrocell. The determining step may be carried out at a base station of a femtocell, and the method further requires sensing a spectrum at the base station of the femtocell to obtain a third set of spectrum-sensing data, which is also used in determining whether or not to reuse the portion of the spectrum used by the macrocell.
    • 在包括在宏小区的服务区域内的一个或多个毫微微小区的系统中,一种方法包括:(a)从基站接收每个毫微微小区关于毫微微小区上的可用资源的信息; (b)测量移动站相对于宏小区和每个毫微微小区的信号 - 干扰信噪比(SINR); 以及(c)为所述移动台选择所述毫微微小区之一用于切换,其中,所述毫微微站是基于所述宏小区和所述毫微微小区在所述切换后的组合容量来选择的。 当不允许对毫微微蜂窝进行切换时,用于确定宏小区的频谱资源是否被重用的方法包括:(a)从宏小区的基站接收第一组频谱感测数据,第一组 一组频谱感测数据,包括宏小区的移动台的频谱感测数据; (b)从与所述毫微微小区相关联的一个或多个移动站接收第二所述频谱感测数据; 和(c)基于第一组频谱感测数据和第二组频谱感测数据,确定是否在毫微微小区中重用由宏小区使用的频谱的一部分。 确定步骤可以在毫微微小区的基站执行,并且该方法还需要在毫微微小区的基站处感测频谱以获得第三组频谱感测数据,其也用于确定是否 以重新使用宏小区使用的频谱的部分。