公开(公告)号：US07366524B2

公开(公告)日：2008-04-29

申请号：US10119558

申请日：2002-04-10

申请人： Fujio Watanabe ,  Jingjun Cao ,  Shoji Kurakake

发明人： Fujio Watanabe ,  Jingjun Cao ,  Shoji Kurakake

IPC分类号： H04B7/20 ,  H04Q7/00

CPC分类号： H04W68/04 ,  H04W48/08 ,  H04W52/0216 ,  H04W68/08 ,  Y02D70/142

摘要： A system and method for using subnet relations to determine paging areas, for performing authentication and association, and to activate access network interfaces in wireless communication devices in a heterogeneous access network. Paging areas are generated using subnet relations by determining mobility agent servers within a predetermined number of subnet relations from a last active mobility agent server. Authentication and association are also accomplished using subnet relations. Access network interfaces can also be turned on and off based on subnet relations thereby conserving battery power.

摘要翻译： 一种用于使用子网关系来确定寻呼区域，用于执行认证和关联以及激活异构接入网络中的无线通信设备中的接入网络接口的系统和方法。 通过确定来自最后一个主动移动代理服务器的预定数目的子网关系内的移动代理服务器，使用子网关系生成寻呼区域。 认证和关联也使用子网关系完成。 访问网络接口也可以根据子网关系打开和关闭，从而节省电池电量。

公开(公告)号：US20070233863A1

公开(公告)日：2007-10-04

申请号：US11807025

申请日：2007-05-24

申请人： Daichi Funato ,  Fujio Watanabe ,  Toshio Miki

发明人： Daichi Funato ,  Fujio Watanabe ,  Toshio Miki

IPC分类号： G06F15/173

CPC分类号： H04W68/00 ,  H04W48/16 ,  H04W48/20 ,  H04W52/0216 ,  H04W52/0219 ,  H04W64/00 ,  H04W76/20 ,  H04W80/04 ,  H04W84/12 ,  H04W88/08 ,  Y02D70/142 ,  Y02D70/22

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20070133448A1

公开(公告)日：2007-06-14

申请号：US11564138

申请日：2006-11-28

申请人： Xia Gao ,  Moo Jeong ,  Fujio Watanabe

发明人： Xia Gao ,  Moo Jeong ,  Fujio Watanabe

IPC分类号： G08C17/00

CPC分类号： H04W52/0216 ,  H04W84/18 ,  Y02D70/142 ,  Y02D70/22

摘要： A method for power saving in an ad hoc wireless computer network determines an optimal ATIM message exchange window. The method (a) determines an effective number of nodes that participate in exchanges of ATIM messages during an ATIM window; (b) using the effective number of nodes, calculating a length for a data frame transmission window; and (c) calculates a length for the ATIM window using the calculated data frame transmission window. In one instance, the method determines the effective number of nodes based on the number of senders of ATIM messages. In another instance, the effective number of nodes is determined based on both senders and recipients of the ATIM messages. The method may determine the effective number of nodes from a number of successful ATIM message transmissions in a given time period. The calculated ATIM window size can be provided as an initial value to other methods that dynamically adjust the ATIM window size.

摘要翻译： 在自组织无线计算机网络中节电的方法确定最佳ATIM消息交换窗口。 方法（a）确定在ATIM窗口期间参与ATIM消息交换的节点的有效数量; （b）使用有效数量的节点，计算数据帧传输窗口的长度; 和（c）使用所计算的数据帧传输窗口计算ATIM窗口的长度。 在一种情况下，该方法基于ATIM消息的发送者的数量来确定节点的有效数量。 在另一种情况下，基于ATIM消息的发送者和收件人来确定有效数量的节点。 该方法可以在给定时间段内从多个成功的ATIM消息传输确定节点的有效数量。 计算的ATIM窗口大小可以作为初始值提供给动态调整ATIM窗口大小的其他方法。

公开(公告)号：US20060285528A1

公开(公告)日：2006-12-21

申请号：US11454265

申请日：2006-06-16

申请人： Xia Gao ,  Fujio Watanabe ,  Moo Jeong

发明人： Xia Gao ,  Fujio Watanabe ,  Moo Jeong

IPC分类号： H04Q7/24

CPC分类号： H04W52/0229 ,  H04W52/0216 ,  H04W84/18 ,  Y02D70/142 ,  Y02D70/22

摘要： Methods are disclosed to support power saving states of a beacon station in an ad hoc wireless local area network (WLAN). Some of the methods allow exchanging power management information among stations in the wireless network and to allow beacon station handovers. In some methods, always-on stations are given a higher priority to become a beacon station or a beacon station handover destination. The methods achieve good power saving while minimizing beacon handover frequency.

摘要翻译： 公开了用于支持自组织无线局域网（WLAN）中的信标站的节电状态的方法。 一些方法允许在无线网络中的站之间交换功率管理信息，并允许信标站切换。 在一些方法中，给予始终在线站更高的优先级以成为信标站或信标站切换目的地。 该方法在最小化信标切换频率的同时实现良好的省电。

公开(公告)号：US06317854B1

公开(公告)日：2001-11-13

申请号：US09312560

申请日：1999-05-14

申请人： Fujio Watanabe

发明人： Fujio Watanabe

IPC分类号： H04L118

CPC分类号： H04L1/1809 ,  H04L1/1887

摘要： An apparatus, and an associated method, for scheduling when to retransmit a packet of data in a packet data communication system. Data is scheduled to be retransmitted according to a retransmission probability in the absence of a feedback acknowledgment indicating successful transmission of the packet of data. In one implementation, the apparatus forms a portion of a mobile terminal operable in a BRAN (Broadband Radio Access Network). Data throughput rates are increased by selecting retransmission of a packet of data is made with a retransmission probability if no feedback acknowledgment indicating successful indication of the packet of data has been completed.

摘要翻译： 一种装置和相关联的方法，用于调度何时在分组数据通信系统中重传数据分组。 在没有指示成功传输数据包的反馈确认的情况下，根据重传概率来调度数据的重传。 在一个实现中，该装置形成可在BRAN（宽带无线电接入网络）中操作的移动终端的一部分。 如果没有指示数据分组的成功指示的反馈确认已经完成，则通过选择数据分组的重传来进行数据吞吐率的增加。

公开(公告)号：US5768910A

公开(公告)日：1998-06-23

申请号：US738113

申请日：1996-10-25

申请人： Shinji Inagaki ,  Yuri Yamada ,  Yoshiaki Fukushima ,  Masanobu Hasatani ,  Fujio Watanabe

发明人： Shinji Inagaki ,  Yuri Yamada ,  Yoshiaki Fukushima ,  Masanobu Hasatani ,  Fujio Watanabe

IPC分类号： B01J20/10 ,  C09K5/04 ,  F25B17/08

CPC分类号： F25B17/08 ,  C09K5/047 ,  Y02P20/123 ,  Y02P20/124

摘要： An adsorption heat pump includes a working fluid, an adsorption-desorption unit, and an evaporation-condensation unit connected with the adsorption-desorption unit. The adsorption-desorption unit adsorbs and desorbs vapor resulting from the working fluid, and includes an adsorbent being a porous substance. The porous substance has pores, and exhibits a pore diameter distribution curve having a maximum peak falling in a pore diameter range of from 1 to 10 nm. The pores in the diameter range of .+-.40% of pore diameter at the maximum peak have pore volume not less than 60% of a whole volume of the porous substance. The evaporation-condensation unit evaporates and condenses the working fluid. The adsorption heat pump can be operated by a low-temperature heat source, and can exhibit a large pumping temperature difference regardless of its small size.

摘要翻译： 吸附热泵包括工作流体，吸附解吸单元和与吸附 - 解吸单元连接的蒸发 - 冷凝单元。 吸附 - 解吸装置吸附和解吸由工作流体产生的蒸气，并且包括作为多孔物质的吸附剂。 多孔物质具有孔，表现出孔径分布曲线，孔径范围为1〜10nm。 在最大峰的孔径的+/- 40％的直径范围内的孔具有不小于整个体积的多孔物质的60％的孔体积。 蒸发冷凝单元蒸发和冷凝工作流体。 吸附式热泵可以通过低温热源进行操作，无论体积小，均可显示较大的泵送温度差。

公开(公告)号：US08843157B2

公开(公告)日：2014-09-23

申请号：US13281575

申请日：2011-10-26

申请人： Motoharu Miyake ,  Fujio Watanabe ,  Daichi Funato

发明人： Motoharu Miyake ,  Fujio Watanabe ,  Daichi Funato

IPC分类号： H04W24/00 ,  H04W4/02

CPC分类号： H04W4/028 ,  H04W4/029

摘要： A method and apparatus is disclosed herein for estimating travel behavior in a mobile network. In one embodiment, the method comprises receiving event data indicative of user equipment location, pre-processing received event data to produce pre-processed data, performing straight line interpolation on pre-processed data of one or more individuals in the population to estimate intermediate positions of a trajectory of each of the one or more individuals from a first position to a second position, and counting a number of individuals in population at a given time and at a given area.

摘要翻译： 本文公开了一种用于估计移动网络中的旅行行为的方法和装置。 在一个实施例中，该方法包括接收指示用户设备位置的事件数据，预处理接收到的事件数据以产生预处理数据，对群体中一个或多个个体的预处理数据执行直线插值以估计中间位置 从一个第一位置到第二个位置的一个或多个个体中的每一个的轨迹，以及在给定时间和给定区域对个体的数量进行计数。

公开(公告)号：US08559976B2

公开(公告)日：2013-10-15

申请号：US13291722

申请日：2011-11-08

申请人： Motoharu Miyake ,  Fujio Watanabe ,  Daichi Funato ,  Hyung Sik Shin ,  Ismail Guvenc

发明人： Motoharu Miyake ,  Fujio Watanabe ,  Daichi Funato ,  Hyung Sik Shin ,  Ismail Guvenc

IPC分类号： H04W4/00 ,  G06G7/78

CPC分类号： G06Q30/02 ,  G06Q10/06 ,  H04W4/021 ,  H04W4/027 ,  H04W4/029

摘要： Methods and apparatuses are disclosed herein for population tracking, counting and/or movement estimation. In one embodiment, the method comprises receiving mobile phone operational data indicative of user equipment location, where the event data includes location area update messages and periodic registration messages; and performing travel estimation based on the mobile phone operation data, including performing interpolation on data associated with one or more individuals in a population to estimate intermediate positions of a trajectory of each of the one or more individuals for a specified time period based on a shortest path mesh sequence estimation algorithm.

公开(公告)号：US08504034B2

公开(公告)日：2013-08-06

申请号：US13291725

申请日：2011-11-08

申请人： Motoharu Miyake ,  Fujio Watanabe ,  Daichi Funato

发明人： Motoharu Miyake ,  Fujio Watanabe ,  Daichi Funato

IPC分类号： H04W24/00 ,  G05D1/02 ,  G06F15/16

CPC分类号： G06Q30/02 ,  G06Q10/06 ,  H04W4/021 ,  H04W4/027 ,  H04W4/029

摘要： Methods and apparatuses are disclosed herein for population tracking, counting and/or movement estimation. In one embodiment, the method comprises receiving mobile phone operational data indicative of user equipment location, where the event data includes location area update messages and periodic registration messages; and performing travel estimation based on the mobile phone operation data, including performing interpolation on data associated with one or more individuals in a population to estimate intermediate positions of a trajectory of each of the one or more individuals for a specified time period based on a shortest path mesh sequence estimation algorithm.

公开(公告)号：US20130051365A1

公开(公告)日：2013-02-28

申请号：US13595815

申请日：2012-08-27

申请人： Ismail Guvenc ,  Moo Ryong Jeong ,  Fujio Watanabe ,  Hiroshi Inamura

发明人： Ismail Guvenc ,  Moo Ryong Jeong ,  Fujio Watanabe ,  Hiroshi Inamura

IPC分类号： H04W36/00

CPC分类号： H04W16/10 ,  H04W16/30 ,  H04W52/243 ,  H04W52/244 ,  H04W52/343 ,  H04W52/40 ,  H04W72/02 ,  H04W72/0453 ,  H04W72/082 ,  H04W84/045

摘要： A method and a communication system including femtocells within a macrocell efficiently manage interference between the different femtocells, and between each femtocell and a macrocell. An efficient frequency assignment scheme for the femtocells minimizes interference between a femtocell and a macrocell and among different femtocells using a spectrum-sensing technique carried out by the femtocells. The frequency assignment scheme selects a suitable channel from a set of candidate channels and ensures that the femtocell has an acceptable coverage area even when it is close to the macrocell base station (BS). The frequency assignment scheme favors a co-channel implementation to take advantage of the hand-off and cell search characteristics of the co-channel implementation. In one embodiment, a joint power control and frequency band assignment technique is used, which partitions the coverage area of the macrocell into an inner region, a power control region, and an outer region.

摘要翻译： 包括宏小区内的毫微微小区的方法和通信系统有效地管理不同毫微微小区之间以及每个毫微微小区与宏小区之间的干扰。 毫微微小区的有效的频率分配方案使用由毫微微小区执行的频谱感测技术来最小化毫微微小区和宏小区之间以及不同毫微微小区之间的干扰。 频率分配方案从一组候选信道中选择一个合适的信道，并确保毫微微小区即使在接近宏小区基站（BS）时也具有可接受的覆盖区域。 频率分配方案有利于共同信道实现来利用同频道实现的切换和小区搜索特性。 在一个实施例中，使用联合功率控制和频带分配技术，其将宏小区的覆盖区划分成内部区域，功率控制区域和外部区域。