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    • 45. 发明授权
    • Overhead message update with decentralized control
    • 开销信息更新与分散控制
    • US07483699B2
    • 2009-01-27
    • US09158938
    • 1998-09-22
    • Gadi KarmiMatthew S. Grob
    • Gadi KarmiMatthew S. Grob
    • H04Q7/20H04M11/10H04K1/00
    • H04W48/10H04W48/12H04W52/0229H04W68/025Y02D70/00
    • A system and method for providing a simple, but effective technique for communicating overhead messages in a wireless communication system providing access to a decentralized network, while achieving bandwidth savings as well as minimizing power consumption. In one embodiment, a wireless base station which is connected to a decentralized network transmits a sequence of signatures for overhead messages to a mobile unit. The mobile unit wakes up receives the signatures and compares them to signatures stored at the mobile unit. If the signatures received by the mobile unit are different from the signatures stored at the mobile unit, the mobile unit stays awake to receive the overhead messages to be transmitted by the wireless base station. If the signatures received by the mobile unit are the same as the signatures stored at the mobile unit, the mobile unit may go back to sleep.
    • 一种系统和方法,用于在提供对分散网络的访问的无线通信系统中提供用于传送开销消息的简单而有效的技术,同时实现带宽节省以及最小化功耗。 在一个实施例中,连接到分散网络的无线基站将开销消息的签名序列发送到移动单元。 移动单元唤醒接收签名并将其与移动单元上存储的签名进行比较。 如果由移动单元接收到的签名与存储在移动单元中的签名不同,则移动单元保持唤醒以接收由无线基站发送的开销消息。 如果由移动单元接收的签名与存储在移动单元处的签名相同,则移动单元可以返回睡眠状态。
    • 46. 发明授权
    • High data rate wireless packet data communications system
    • 高数据速率无线数据包数据通信系统
    • US06894994B1
    • 2005-05-17
    • US09575073
    • 2000-05-19
    • Matthew S. GrobPaul E. BenderPeter J. BlackRoberto PadovaniNoam A. Ziv
    • Matthew S. GrobPaul E. BenderPeter J. BlackRoberto PadovaniNoam A. Ziv
    • H04B1/707H04L1/00H04L1/08H04L1/16H04L1/18H04L12/28H04L12/56H04W80/00H04W84/00H04B7/216
    • H04L1/0071H04B1/7103H04B2201/70702H04B2201/709709H04L1/08H04L1/1809H04W80/00H04W84/00
    • A wireless packet data communications system that includes a number of modem pool transceivers (MPTs), one or more modem pool controllers (MPCs), and one or more servers. Each MPT receives and processes data packets to generate a modulated signal (e.g., a CDMA spread spectrum signal) suitable for transmission over a terrestrial communications link. Each MPC provides call related processing for one or more MPTs. The servers couple to the MPTs and MPCs via an Internet Protocol (IP) back-bone and provide management of the communications system. The IP back-bone further interconnects the MPTs with one or more data networks and includes a number of routers that route data packets between the data networks and the MPTs. Each MPT can couple to two or more routers for redundancy. Each MPT is operated as an element in an IP network and is associated with an IP address that identifies the MPT. One to three MPTs can be deployed at each cell site to provide wireless data service coverage for up to three sectors at the cell site. The MPCs can either be centralized and coupled to the MPTs via the IP back-bone or distributed about the communications system.
    • 包括多个调制解调器池收发器(MPT),一个或多个调制解调器池控制器(MPC)以及一个或多个服务器的无线分组数据通信系统。 每个MPT接收和处理数据分组以产生适于通过地面通信链路传输的调制信号(例如,CDMA扩频信号)。 每个MPC为一个或多个MPT提供与呼叫相关的处理。 这些服务器通过互联网协议(IP)背景耦合到MPT和MPC,并提供通信系统的管理。 IP背板进一步将MPT与一个或多个数据网络互连,并且包括在数据网络和MPT之间路由数据分组的多个路由器。 每个MPT可以耦合到两个或更多路由器进行冗余。 每个MPT作为IP网络中的元素运行,并与识别MPT的IP地址相关联。 可以在每个小区站点部署一到三个MPT,以在小区站点为多达三个扇区提供无线数据服务覆盖。 MPC可以集中化,并通过IP背板耦合到MPT,或者分布在通信系统上。
    • 47. 发明授权
    • Method and apparatus for rapid assignment of a traffic channel in digital cellular communication systems
    • 用于在数字蜂窝通信系统中快速分配业务信道的方法和装置
    • US06741861B2
    • 2004-05-25
    • US10007206
    • 2001-11-09
    • Paul E. BenderMatthew S. GrobGadi Karmi
    • Paul E. BenderMatthew S. GrobGadi Karmi
    • H04Q720
    • H04W72/04H04W48/20H04W74/08H04W76/10
    • A method and apparatus for rapidly assigning traffic channels to a plurality of mobile stations in a wide area high-speed packet data cellular communication system. Mobile stations transmit access probes on randomly selected access channels to selected base stations to initiate traffic channel assignments. The access probe comprises a pilot preamble, a traffic channel request, and a pilot/data request channel (DRC). The pilot preamble allows the selected base station to easily detect the access probe transmission. The traffic channel request includes data that identifies the mobile station. Immediately after transmitting the traffic channel request, the mobile station begins communicating with the base station on both the forward and reverse communication links. The selected base station immediately supervises the mobile station's transmission power. The mobile station selects from a group of available power control sub-channels. The mobile station selects an available channel and an associated power control sub-channel from the list.
    • 一种用于在广域高速分组数据蜂窝通信系统中向多个移动站快速分配业务信道的方法和装置。 移动台将随机选择的接入信道上的接入探测发射到所选择的基站,以发起业务信道分配。 接入探测器包括导频前导码,业务信道请求和导频/数据请求信道(DRC)。 导频前导码允许所选择的基站容易地检测接入探测传输。 业务信道请求包括标识移动站的数据。 在发送业务信道请求之后,移动台立即在正向和反向通信链路上开始与基站进行通信。 所选择的基站立即监控移动台的发射功率。 移动站从一组可用的功率控制子信道中进行选择。 移动站从列表中选择可用的频道和相关的功率控制子频道。
    • 50. 发明授权
    • Method and apparatus for rapid assignment of a traffic channel in digital cellular communication systems
    • 用于在数字蜂窝通信系统中快速分配业务信道的方法和装置
    • US06366779B1
    • 2002-04-02
    • US09158697
    • 1998-09-22
    • Paul E. BenderMatthew S. GrobGadi Karmi
    • Paul E. BenderMatthew S. GrobGadi Karmi
    • H04Q722
    • H04W72/04H04W48/20H04W74/08H04W76/10
    • A method and apparatus for rapidly assigning traffic channels to a plurality of mobile stations in a wide area high-speed packet data cellular communication system. Mobile stations transmit access probes on randomly selected access channels to selected base stations to initiate traffic channel assignments. The access probe comprises a pilot preamble, a traffic channel request, and a pilot/data request channel (DRC). The pilot preamble allows the selected base station to easily detect the access probe transmission. The traffic channel request includes data that identifies the mobile station. Immediately after transmitting the traffic channel request, the mobile station begins communicating with the base station on both the forward and reverse communication links. The selected base station immediately supervises the mobile station's transmission power. The mobile station selects from a group of available power control sub-channels. The mobile station selects an available channel and an associated power control sub-channel from the list. In another alternative embodiment, the base station, and not the mobile station, initiates the traffic channel assignment process. A base station controller instructs all base stations within the mobile station's paging radius to transmit a page message on the forward link. The mobile station continuously monitors the forward link and responds to pages addressed to its associated MSI. When a page to the mobile station is detected, the mobile station initiates a traffic channel request. In addition, the mobile station immediately monitors the power control sub-channel that it identified in the detected page message.
    • 一种用于在广域高速分组数据蜂窝通信系统中向多个移动站快速分配业务信道的方法和装置。 移动台将随机选择的接入信道上的接入探测发射到所选择的基站,以发起业务信道分配。 接入探测器包括导频前导码,业务信道请求和导频/数据请求信道(DRC)。 导频前导码允许所选择的基站容易地检测接入探测传输。 业务信道请求包括识别移动台的数据。 在发送业务信道请求之后,移动台立即在正向和反向通信链路上开始与基站进行通信。 所选择的基站立即监控移动台的发射功率。 移动站从一组可用的功率控制子信道中进行选择。 移动站从列表中选择可用的频道和相关的功率控制子频道。 在另一替代实施例中,基站而不是移动台发起业务信道分配过程。 基站控制器指示移动台的寻呼半径内的所有基站在前向链路上发送寻呼消息。 移动台连续监视前向链路并对寻址到其相关MSI的页面进行响应。 当检测到移动台的页面时,移动台发起业务信道请求。 此外,移动台立即监视其在检测到的寻呼消息中识别的功率控制子信道。