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    A method for maintaining a communcation link in wireless network groups
    12.
    发明专利
    A method for maintaining a communcation link in wireless network groups 未知

    公开(公告)号：AU4884200A

    公开(公告)日：2001-02-08

    申请号：AU4884200

    申请日：2000-07-26

    Applicant: LUCENT TECHNOLOGIES INC

    Inventor： PITTAMPALLI ESHWAR

    IPC: H04B1/7143 ,  H04B7/26 ,  H04L12/56 ,  H04W36/04 ,  H04Q7/36

    Abstract: Disclosed herein is a method and apparatus for maintaining communication between a dependent and a communications network when the dependent is outside a coverage area associated with its master using a controller and a communications network. In one embodiment, when the dependent is in a piconet, the dependent is within communication range of its master using a communication channel on frequency band fband(1). When the dependent moves outside the piconet, the dependent should be within communication range of the controller and, thus, switches to another communication channel within frequency band fband(1) such that it may communicate with the controller. When the dependent moves outside the communication range of the controller, the dependent should be within communication range of a communications network or a base station and, thus, switches to a communication channel within another frequency band fband(2).

    13.
    发明专利
    未知

    公开(公告)号：ID25578A

    公开(公告)日：2000-10-19

    申请号：ID20000292

    申请日：2000-04-14

    Applicant: LUCENT TECHNOLOGIES INC

    Inventor： KOO YUEN YIN L ,  MIZIKOVSKY SEMYON B ,  PITTAMPALLI ESHWAR

    IPC: H04W68/00

    Abstract: A paging signal is detected where the paging signal is intended for a mobile-telephone having a paging channel frequency that is different than a paging channel frequency associated with a concentrator. A base station transmits a base station-to-mobile (BS-MT) paging message by including such BS-MT paging message in a base station-to-concentrator (BS-C) paging message. The BS-MT paging message includes a message portion and a mobile-telephone identifier portion, wherein the mobile-telephone identifier portion indicates the mobile-telephone to which the BS-MT paging message is for indicating the concentrator to which the BS-C is intended. The BS-C paging message is transmitted over a paging channel on a frequency f1 associated with the intended concentrator (i.e., concentrator through which the mobile-telephone is linked to the base station). The intended concentrator detects the BS-C paging message by monitoring its associated paging channel on frequency f1 for a BS-C paging message with a concentrator identifier portion indicating the concentrator. Upon detecting its BS-C paging message, the concentrator parses the BS-MT paging message from the BS-C message and transmits the BS-MT paging message to the intended mobile-telephone using a paging channel on frequency f2 being monitored by the mobile-telephone.

    16.
    发明专利
    未知

    公开(公告)号：DE60023041T2

    公开(公告)日：2006-06-29

    申请号：DE60023041

    申请日：2000-07-24

    Applicant: LUCENT TECHNOLOGIES INC

    Inventor： PITTAMPALLI ESHWAR

    IPC: H04L12/28 ,  H04B1/7143 ,  H04B7/26 ,  H04L12/56 ,  H04W36/04

    Abstract: Disclosed herein is a method and apparatus for maintaining communication between a dependent and a communications network when the dependent is outside a coverage area associated with its master using a controller and a communications network. In one embodiment, when the dependent is in a piconet, the dependent is within communication range of its master using a communication channel on frequency band fband(1). When the dependent moves outside the piconet, the dependent should be within communication range of the controller and, thus, switches to another communication channel within frequency band fband(1) such that it may communicate with the controller. When the dependent moves outside the communication range of the controller, the dependent should be within communication range of a communications network or a base station and, thus, switches to a communication channel within another frequency band fband(2).

    17.
    发明专利
    未知

    公开(公告)号：DE60008979T2

    公开(公告)日：2005-03-10

    申请号：DE60008979

    申请日：2000-07-24

    Applicant: LUCENT TECHNOLOGIES INC

    Inventor： PITTAMPALLI ESHWAR

    IPC: H04B1/7143 ,  H04B7/26 ,  H04L12/56 ,  H04W36/04 ,  H04Q7/38

    Abstract: Disclosed herein is a method and apparatus for maintaining communication between a dependent and a communications network when the dependent is outside a coverage area associated with its master using a controller and a communications network. In one embodiment, when the dependent is in a piconet, the dependent is within communication range of its master using a communication channel on frequency band fband(1). When the dependent moves outside the piconet, the dependent should be within communication range of the controller and, thus, switches to another communication channel within frequency band fband(1) such that it may communicate with the controller. When the dependent moves outside the communication range of the controller, the dependent should be within communication range of a communications network or a base station and, thus, switches to a communication channel within another frequency band fband(2).

    19.
    发明专利
    未知

    公开(公告)号：BR0000841A

    公开(公告)日：2000-10-31

    申请号：BR0000841

    申请日：2000-02-02

    Applicant: LUCENT TECHNOLOGIES INC

    Inventor： HUO DAVID DI ,  PITTAMPALLI ESHWAR

    IPC: H01Q1/24 ,  H01Q3/26 ,  H04B7/10 ,  H04B7/26 ,  H04W16/28 ,  H01Q3/00

    Abstract: A method for adjusting antenna radiation in a wireless network involves varying antenna radiation directions of antennas throughout a defined range. A test receiver measures signal parameters from the antennas at measurement locations as the antenna radiation directions are varied. The processing system determines a resultant antenna radiation direction for each of the antennas in the wireless network, or segment thereof, based upon the measured signal parameters.

    Dynamic variation of class of service in a communication network based on network resources
    20.
    发明专利
    Dynamic variation of class of service in a communication network based on network resources 未知

    公开(公告)号：AU6438599A

    公开(公告)日：2000-06-22

    申请号：AU6438599

    申请日：1999-12-08

    Applicant: LUCENT TECHNOLOGIES INC

    Inventor： MARINHO JOHN ANTONIO ,  ZYSMAN GEORGE ISAAC ,  STANZIONE DANIEL CHARLES ,  PITTAMPALLI ESHWAR

    IPC: H04Q3/545 ,  H04B7/26 ,  H04L12/64 ,  H04L29/06 ,  H04M3/00 ,  H04W8/18 ,  H04W28/20 ,  H04W28/24 ,  H04W72/06 ,  H04Q7/20

    Abstract: A communication system monitors the resources that are available for new users. When the availability of free resources becomes too small or falls below a threshold, the communication system initiates a reduction in the the class of service to selected users. The class of service can be reduced by reducing the quality of service provided to existing communications or by providing selected new users with only lower quality communications. The decision to alter the class of service is alerted to the end user and based on the profile of the end user, appropriate alteration of a specific resource parameter is undertaken. The quality of communications may be reduced, for example, by decreasing the information carrying capacity of the channel available to a particular user and thereby decreasing the data transfer rate, decreasing the amount of error encoding used to detect and correct errors introduced by a communication channel, or in the case of a wireless system, using a lower rate vocoder (voice encoder) which will reduce the voice quality or clarity of the speech transmitted over the communication channel.

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