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    Handoff by monitoring of received signal strengths among base stations
    12.
    发明授权
    Handoff by monitoring of received signal strengths among base stations 失效
    通过监控基站之间的接收信号强度进行切换

    公开(公告)号：US5896570A

    公开(公告)日：1999-04-20

    申请号：US794843

    申请日：1997-02-04

    Applicant: Robert Stanley Saunders ,  Nguyen Quan Tat

    Inventor： Robert Stanley Saunders ,  Nguyen Quan Tat

    IPC: H04W36/06 ,  H04W36/08 ,  H04Q7/20

    CPC classification number: H04W36/0094 ,  H04W36/06

    Abstract: A radio handset for communication via one of a plurality of channels with one of a plurality of base stations in a digital cellular telephone system, comprising means to monitor at first intervals signal activity in the channels and means to identify at second intervals from the signal activity in the channels a base station as a preferred candidate for intercell handoff.

    Abstract translation: 一种用于在数字蜂窝电话系统中通过多个信道中的一个与多个基站之一进行通信的无线电手机，包括用于在第一时间间隔监视信道中的信号活动的装置，以及用于以第二间隔从信号活动 在信道中基站作为小区间切换的优选候选。

    Modem and method of operating a wireless device
    15.
    发明授权
    Modem and method of operating a wireless device 失效
    操作无线设备的调制解调器和方法

    公开(公告)号：US08576901B2

    公开(公告)日：2013-11-05

    申请号：US13408186

    申请日：2012-02-29

    Applicant: Nguyen Quan Tat ,  Stuart Ian Geary ,  Jari Juhani Ruohonen ,  Andrew Bishop ,  Sami Jutila ,  Alexander Graham Charles ,  Roy Hansen

    Inventor： Nguyen Quan Tat ,  Stuart Ian Geary ,  Jari Juhani Ruohonen ,  Andrew Bishop ,  Sami Jutila ,  Alexander Graham Charles ,  Roy Hansen

    IPC: H04B1/38

    CPC classification number: H04W88/06 ,  H04W8/22

    Abstract: A modem is provided for a wireless device that is capable of providing service for at least two SIMs. The modem has at least a first set of modem components and a second set of modem components. The modem selectively reconfigures the arrangement of the plural sets of modem components. In a first configuration, the first set of modem components provides wireless connection service for a first SIM of the wireless device and the second set of modem components provides wireless connection service for a second SIM of the wireless device. This allows active wireless connections to be made on behalf of both SIMs simultaneously by the sets of modem components. In a second configuration, the first set of modem components and the second set of modem components provide wireless connection service for the first SIM.

    Abstract translation: 为能够为至少两个SIM提供服务的无线设备提供调制解调器。 调制解调器至少具有第一组调制解调器组件和第二组调制解调器组件。 调制解调器选择性地重新配置多组调制解调器组件的布置。 在第一配置中，第一组调制解调器组件为无线设备的第一SIM提供无线连接服务，并且第二组调制解调器组件为无线设备的第二SIM提供无线连接服务。 这允许通过这组调制解调器组件同时代表两个SIM进行主动无线连接。 在第二配置中，第一组调制解调器组件和第二组调制解调器组件为第一SIM提供无线连接服务。

    Processing system, wireless device and method
    17.
    发明授权
    Processing system, wireless device and method 有权
    处理系统，无线设备和方法

    公开(公告)号：US08527006B2

    公开(公告)日：2013-09-03

    申请号：US13285926

    申请日：2011-10-31

    Applicant: Nguyen Quan Tat ,  Stuart Ian Geary ,  Jari Ruohonen ,  Andrew Bishop ,  Sami Jutila ,  Alexander Graham Charles ,  Roy Hansen

    Inventor： Nguyen Quan Tat ,  Stuart Ian Geary ,  Jari Ruohonen ,  Andrew Bishop ,  Sami Jutila ,  Alexander Graham Charles ,  Roy Hansen

    IPC: H04B1/38 ,  H04K3/00

    CPC classification number: H04W88/06 ,  H04W8/183

    Abstract: A wireless device has at least a first modem and a second modem and at least a first SIM and a second SIM. The first modem supports a different level of service than the second modem. A processing system of the wireless device selectively reconfigures the connection of the first modem and the second modem to the SIMs. In a first mapping configuration, the first SIM is connected to the first modem and the second SIM is connected to the second modem. In a second mapping configuration, the second SIM is disconnected from the second modem, and the first SIM is disconnected from the first modem and is connected to the second modem thereby to obtain a different level of service for the first SIM than in the first mapping configuration.

    Abstract translation: 无线设备至少具有第一调制解调器和第二调制解调器以及至少第一SIM卡和第二SIM卡。 第一个调制解调器支持与第二个调制解调器不同的服务级别。 无线设备的处理系统选择性地将第一调制解调器和第二调制解调器的连接重新配置到SIM。 在第一映射配置中，第一SIM连接到第一调制解调器，第二SIM连接到第二调制解调器。 在第二映射配置中，第二SIM与第二调制解调器断开连接，并且第一SIM与第一调制解调器断开连接，并连接到第二调制解调器，从而为第一SIM获得与第一映射不同的服务等级 组态。

    WIRELESS DEVICE, METHOD OF OPERATION AND COMPUTER PROGRAM
    18.
    发明申请
    WIRELESS DEVICE, METHOD OF OPERATION AND COMPUTER PROGRAM 有权
    无线设备，操作方法和计算机程序

    公开(公告)号：US20130005394A1

    公开(公告)日：2013-01-03

    申请号：US13170939

    申请日：2011-06-28

    Applicant: Stuart Ian Geary ,  Nguyen Quan Tat ,  Roy Skovgaard Hansen ,  Andrew Bishop ,  Graham Alexander Charles

    Inventor： Stuart Ian Geary ,  Nguyen Quan Tat ,  Roy Skovgaard Hansen ,  Andrew Bishop ,  Graham Alexander Charles

    IPC: H04W88/02

    CPC classification number: H04W52/028 ,  H04W52/0229 ,  H04W88/06 ,  Y02D70/24

    Abstract: A wireless device has at least a first radio system for a first SIM channel and a second radio system for a second SIM channel. A processing system is arranged to determine whether a first of the first and second radio systems is capable of providing service for both of the first and second SIM channels currently being serviced by the first and second radio systems respectively. Servicing of the second SIM channel is transferred from the second radio system to the first radio system if it is determined that the first radio system is capable of providing service for both of first and second SIM channels. At least a part of the second radio system is shut down to reduce the power consumed by the second radio system after servicing of the second SIM channel has been transferred.

    Abstract translation: 无线设备至少具有用于第一SIM信道的第一无线电系统和用于第二SIM信道的第二无线电系统。 处理系统被布置成确定第一和第二无线电系统中的第一无线电系统是否能够分别为由第一和第二无线电系统服务的第一和第二SIM信道两者提供服务。 如果确定第一无线电系统能够为第一和第二SIM信道两者提供服务，则将第二SIM信道的服务从第二无线电系统传送到第一无线电系统。 第二无线电系统的至少一部分被关闭以减少第二无线电系统在第二SIM信道的维修已被传送之后消耗的功率。

    Portable radio telephones and methods of operation
    20.
    发明授权
    Portable radio telephones and methods of operation 失效
    便携式无线电话和操作方法

    公开(公告)号：US5862130A

    公开(公告)日：1999-01-19

    申请号：US584054

    申请日：1996-01-11

    Applicant: Nguyen Quan Tat ,  Robert Stanley Saunders

    Inventor： Nguyen Quan Tat ,  Robert Stanley Saunders

    IPC: H04B7/24 ,  H04J4/00 ,  H04W36/08 ,  H04W48/08 ,  H04W48/16 ,  H04W72/02 ,  H04W72/08 ,  H04B3/16 ,  H04B7/212

    CPC classification number: H04W48/16 ,  H04J4/00 ,  H04W72/02 ,  H04W24/00 ,  H04W36/08 ,  H04W48/08 ,  H04W72/08

    Abstract: A portable radio telephone (5) communicates with base stations (1, 2) in a digital radio telephone system, such as DECT, employing TDMA transmission. The portable radio telephone is programmed with an algorithm which is operative to select a communication channel by storing a blind slot mask (7) representative of the time slots in each frame which are excluded. The algorithm is operative to check the time slots for availability in a predetermined sequence which corresponds to the temporal sequence of the slots (or the reverse thereof) to promote orderly filling of the time slots at the base stations.

    Abstract translation: 便携式无线电话机（5）在采用TDMA传输的诸如DECT的数字无线电话系统中的基站（1,2）进行通信。 便携式无线电话机被编程有一种算法，该算法可操作以通过存储代表被排除的每个帧中的时隙的盲时隙掩码（7）来选择通信信道。 该算法用于以与时隙（或其相反）的时间序列相对应的预定序列来检查时隙的可用性，以促进基站处的时隙的有序填充。

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