Method for robust handoff in wireless communication system
    1.
    发明专利
    Method for robust handoff in wireless communication system 有权
    无线通信系统中稳健手动的方法

    公开(公告)号:JP2010226731A

    公开(公告)日:2010-10-07

    申请号:JP2010096924

    申请日:2010-04-20

    CPC classification number: H04W36/18 H04B17/318 H04W36/30

    Abstract: PROBLEM TO BE SOLVED: To provide a communication system capable of completing soft hand-off, even when a communication link between an active base station and a mobile station deteriorates before the mobile station receives a handoff direction message. SOLUTION: The mobile station maintains a list of communicating base stations X, referred to as an "Active Set". Further, the mobile station maintains another list of base stations Y close to the base stations X in the Active Set. The list is referred to as a "Neighbor Set". A memory in the mobile station includes information which enables the mobile station to demodulate information transmitted from the base stations Y in the neighboring set. When a base station Y is included in a pilot strength measurement message (PSMM), the mobile station places the base station Y in the active set. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:即使在移动台接收到切换方向消息之前,即使在活动基站和移动站之间的通信链路恶化的情况下,也可以提供能够完成软越区切换的通信系统。

    解决方案:移动台维护被称为“活动集”的通信基站X的列表。 此外,移动台在Active Set中保持靠近基站X的基站Y的另一个列表。 列表被称为“邻居集”。 移动站中的存储器包括使移动站能够解调从相邻集合中的基站Y发送的信息的信息。 当基站Y包括在导频强度测量消息(PSMM)中时,移动台将基站Y置于活动集中。 版权所有(C)2011,JPO&INPIT

    Distributed infrastructure for wireless data communication
    2.
    发明专利
    Distributed infrastructure for wireless data communication 有权
    分布式基础设施,用于无线数据通信

    公开(公告)号:JP2010213313A

    公开(公告)日:2010-09-24

    申请号:JP2010094362

    申请日:2010-04-15

    CPC classification number: H04W88/12 H04W36/08 H04W80/04 H04W88/08

    Abstract: PROBLEM TO BE SOLVED: To provide a distributed infrastructure for wireless data communications. SOLUTION: A mobile user terminal 402 accesses a packet data network 450 through one or more points of a plurality of network access points (404-412). One or more control points (432-440) determine which access point or multiple points the user terminal is to access. Control may be retained in the current control point, or transferred to another control point, whenever it is convenient. There are a plurality of routers, each having an associated home agent (418-420) which determines which foreign agents need to be accessed on behalf of each user terminal. The foreign agents (422-430) forward packets received from a user terminal's home agent to the control point currently controlling communications with the user terminal. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题:为无线数据通信提供分布式基础设施。 解决方案:移动用户终端402通过多个网络接入点中的一个或多个点访问分组数据网络450(404-412)。 一个或多个控制点(432-440)确定用户终端要访问的接入点或多个点。 控制可以保留在当前控制点,或者在方便时转移到另一个控制点。 存在多个路由器,每个路由器具有相关联的归属代理(418-420),其确定代表每个用户终端需要访问哪些外部代理。 外部代理(422-430)将从用户终端的归属代理接收的分组转发到当前控制与用户终端通信的控制点。 版权所有(C)2010,JPO&INPIT

    Method for robust handoff in wireless communication system
    3.
    发明专利
    Method for robust handoff in wireless communication system 有权
    无线通信系统中稳健手动的方法

    公开(公告)号:JP2010226732A

    公开(公告)日:2010-10-07

    申请号:JP2010096925

    申请日:2010-04-20

    CPC classification number: H04W36/18 H04B17/318 H04W36/30

    Abstract: PROBLEM TO BE SOLVED: To provide a communication system capable of completing soft hand-off, even when a communication link between an active base station and a mobile station deteriorates before the mobile station receives a handoff direction message. SOLUTION: A device for wireless communications (hereinafter referred to as device) maintains a list of base stations X that the mobile station is in communication with, referred to as an "Active Set". Further, the device maintains another list of base stations Y close to the base stations X in the Active Set. The list is called a "Neighbor Set". A memory in the device includes information which enables the device to demodulate information transmitted from the base stations Y in the Neighbor Set. When a base station Y is included in a pilot strength measurement message (PSMM), the device places the base station Y in the Active Set. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题:即使在移动台接收到切换方向消息之前,即使在活动基站和移动站之间的通信链路恶化的情况下,也可以提供能够完成软越区切换的通信系统。 解决方案:用于无线通信的设备(以下称为设备)维护移动台与之通信的基站X的列表,称为“活动集”。 此外,设备保持靠近活动集合中的基站X的基站Y的另一个列表。 列表被称为“邻居集”。 设备中的存储器包括使设备能够解调从邻居集中的基站Y发送的信息的信息。 当基站Y包含在导频强度测量消息(PSMM)中时,设备将基站Y置于活动集中。 版权所有(C)2011,JPO&INPIT

    6.
    发明专利
    未知

    公开(公告)号:FI114776B

    公开(公告)日:2004-12-15

    申请号:FI962035

    申请日:1996-05-13

    Applicant: QUALCOMM INC

    Abstract: A method of invoking and canceling voice and data service between a mobile unit and a base station. Using a standard telephone system, the connection for a voice service and a data service is the same. With the introduction of the digital wireless link, the voice connection and the data connection are different. Therefore new dialing commands which indicate the intent of the connection are created. These commands can also be used to designate the intent of the call from a mobile unit capable of data and voice service but not capable of simultaneous voice and data service. They can also be used to invoke simultaneous voice and data services.

    7.
    发明专利
    未知

    公开(公告)号:BR0213442A

    公开(公告)日:2004-12-07

    申请号:BR0213442

    申请日:2002-10-16

    Applicant: QUALCOMM INC

    Abstract: In one disclosed embodiment, communication between a mobile unit and a base station is performed at a data transfer rate selected from, for example, a finite set of HDR data transfer rates. Meanwhile, the mobile unit continually computes a moving average of the data transfer rates. The mobile unit also ascertains a supportable data rate for receiving data. The supportable data rate can be selected from a finite set of HDR data transfer rates. In order to maintain the moving average of the data transfer rate within a specified range, the mobile unit transmits maximum data rate requests or null data requests to the base station. The maximum data rates requested by the mobile unit are equal to or lower than the supportable data rate.

    Method for robust handoff in wireless communication system

    公开(公告)号:AU764067B2

    公开(公告)日:2003-08-07

    申请号:AU6155099

    申请日:1999-09-22

    Applicant: QUALCOMM INC

    Abstract: A communication system that allows a soft handoff to be completed, even when the communications link between the active base station and the mobile station deteriorates before the mobile station (101) has received the handoff direction message. The mobile station maintains a list of base stations that the mobile station (101) is in communication with, referred to as an "Active Set". In addition, the mobile station (101) maintains another list of base stations (300) that are proximate to the base stations (300) in the active set. This list is referred to as the "Neighbor Set". A memory within the mobile station (101) includes information that would allow the mobile station (101) to demodulate information transmitted from those base stations (300) on the neighbor set. In accordance with the disclosed method and apparatus, the mobile station (101) places a base station (300) in the active set upon including the base station (300) in a pilot strength measurement message (PSMM).

    INTERFACE BETWEEN STANDARD TERMINAL EQUIPMENT UNIT AND HIGH SPEED WIRELESS LINK

    公开(公告)号:HK1038455A1

    公开(公告)日:2002-03-15

    申请号:HK02100051

    申请日:2002-01-04

    Applicant: QUALCOMM INC

    Abstract: A system provides wireless data service. The system includes a wireless modem configured to be coupled to a terminal equipment unit over a wireline broadcast medium. A network unit is coupled to the wireless modem over a wireless link connection. A network remote server is coupled to the network unit. The network remote server provides IP address information in response to terminal equipment unit address request messages for terminal equipment units coupled to the network unit. In addition, a local server is coupled to the wireless modem. The local server provides IP address information in response to terminal equipment unit address request messages from terminal equipment units coupled to the wireline broadcast medium.

    10.
    发明专利
    未知

    公开(公告)号:BR9711469A

    公开(公告)日:2001-10-16

    申请号:BR9711469

    申请日:1997-09-11

    Applicant: QUALCOMM INC

    Inventor: KIMBALL ROBERT H

    Abstract: A conference calling system for a wireless communications channel. The system is adapted for use with a channel having first, second and third participants communicating via first, second and third transmitters and receivers respectively. The system includes a circuit for receiving an encoded signal from at least one of the transmitters. A second circuit determines which of the participants is speaking from the received encoded signal. A third circuit is provided for re-transmitting an encoded signal received from the speaking participant to the other participants. In the illustrative implementation, the encoded signals are variable rate speech vocoded signals in which speech is vocoded at full rate, silence is vocoded at +E,fra 1/8+EE th rate and the +E,fra 1/2 +EE and +E,fra 1/4+EE rates are used as transitional rates. In the illustrative implementation, the speaker's signal is identified by examining the rate of the received vocoded signals. When the speaker's vocoded signal is identified, it is re-transmitted without de-vocoding to the non-speaking participants in the conference call. By re-transmitting the speaker's signal without de-vocoding, the quality of the received signal is preserved.

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