公开(公告)号：DE69934734T2

公开(公告)日：2007-10-11

申请号：DE69934734

申请日：1999-04-27

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHUAH MOOI CHOO ,  GIRISH RAI

IPC: G06F13/00 ,  H04L12/46 ,  H04L12/22 ,  H04L12/56 ,  H04L29/06 ,  H04L29/08 ,  H04L29/12

Abstract: A virtual dial-up service is provided via multiple Internet Service Provides (ISPs). In particular, a remote user accesses the virtual dial-up service by establishing a connection to a serving ISP. The Serving ISP establishes a first tunnel to an anchor ISP. The latter establishes a tunnel to, e.g., a private intranet. As a result, a virtual private network (VPN) service is provided that enables remote access, via multiple tunnels, to a private network.

公开(公告)号：DE69927227T2

公开(公告)日：2006-07-13

申请号：DE69927227

申请日：1999-10-05

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHUAH MOOI CHOO ,  YUE ON-CHING ,  ZHANG QINQING

IPC: H04L12/28 ,  H04L29/08 ,  H04B1/707 ,  H04B7/26 ,  H04L12/56 ,  H04W74/08

Abstract: The present invention provides methods and apparatus for providing access priority in a MAC protocol of a communications system such as, for example, with respect to UMTS RACH. Particularly, the invention introduces several access priority methodologies including: (i) random chip delay access priority (RCDAP); (ii) random backoff based access priority (RBBAP); (iii) variable logical channel based access priority (VLCAP); (iv) UMTS-specific variable logical channel based access priority (VLCAP'); (v) probability based access priority (PBAP); and (vi) retransmission based access priority (REBAP). Each methodology associates some parameter or parameters to access priority classes in order to influence the likelihood of a remote terminal completing a successful access request to a base station.

公开(公告)号：DE60112480T2

公开(公告)日：2006-04-20

申请号：DE60112480

申请日：2001-08-07

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHUAH MOOI CHOO

IPC: H04L12/56 ,  H04M3/00 ,  H04B7/26 ,  H04L12/28 ,  H04M11/00 ,  H04W28/24 ,  H04W92/02 ,  H04W92/06 ,  H04W92/24

Abstract: A UMTS (Universal Mobile Telecommunications System) core network supports the negotiation of variable quality of service (QoS). A QoS information element (IE) is defined that supports downgradeable QoS requirements by allowing multiple traffic classes to be specified in a priority order. Similarly, a QoS information element (IE) is defined that supports upgradeable QoS requirements.

公开(公告)号：DE60017622T2

公开(公告)日：2006-03-23

申请号：DE60017622

申请日：2000-02-15

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHUAH MOOI CHOO ,  KODIALAM MURALIDHARAN SAMPATH ,  YAN ANLU

IPC: H04L12/56 ,  H04L29/06 ,  H04L12/22 ,  H04L12/46

Abstract: A new RSVP-based tunnel protocol establishes packet tunnels between a tunnel source point (TSP) and a tunnel destination point (TDP) such that guaranteed services to aggregated packet flows is provided. In particular, an end-to-end RSVP session is mapped using a receiver-oriented RSVP type of signaling such that the TDP determines tunnel mapping. As such, this new RSVP-type of protocol is compatible with the receiver-driven nature of RSVP. Subsequent to admitting RSVP sessions, a tunnel tuning procedure dynamically adapts existing RSVP tunnels to traffic conditions in order to improve bandwidth efficiency. This tunnel tuning procedure may result in RSVP tunnel re-assignment of some of the admitted end-to-end sessions.

公开(公告)号：CA2366275C

公开(公告)日：2006-01-24

申请号：CA2366275

申请日：2001-12-28

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHUAH MOOI CHOO

IPC: H04M3/00 ,  H04B7/26 ,  H04L12/12 ,  H04L12/56 ,  H04L29/06 ,  H04M11/00 ,  H04W28/24 ,  H04W92/02 ,  H04W92/06 ,  H04W92/24

Abstract: A UMTS (Universal Mobile Telecommunications System) core network supports the negotiation of variable quality of service (QoS). A QoS information element (IE) is defined that supports downgradeable QoS requirements by allowing multiple traffic classes to be specified in a priority order. Similarly, a Q oS information element (IE) is defined that supports upgradeable QoS requirements.

公开(公告)号：ES2234524T3

公开(公告)日：2005-07-01

申请号：ES00301168

申请日：2000-02-15

Applicant: LUCENT TECHNOLOGIES INC

Inventor： CHUAH MOOI CHOO ,  KODIALAM MURALIDHARAN SAMPATH ,  YAN ANLU

IPC: H04L12/22 ,  H04L12/46 ,  H04L29/06 ,  H04L12/56

Abstract: Un método para uso en un servidor de paquetes, comprendiendo el método las operaciones de: recibir (205) tráfico de señales basado en RSVP (protocolo de reserva de recursos); y correlacionar (225) una sesión de RSVP extremo a extremo en un túnel (60) entre un punto de fuente de túnel "TSP" (15) y un punto de destino del túnel "TDP" (25); caracterizado porque: dicho servidor de paquetes sirve como dicho TDP; dicho tráfico de señales basado en RSVP contiene parámetros para un túnel RSVP propuesto entre el TSP y el TDP que permitiría que un conjunto de flujos de paquetes individuales agregados se desplazase dentro de una calidad de servicio "QoS" dada a través de dicho túnel RSVP propuesto; dicho método incluye determinar un túnel RSVP real suficiente para satisfacer los parámetros dentro del tráfico de señales de RSVP; y dicha operación de correlación correlaciona la sesión RSVP extremo a extremo para el túnel determinado.

公开(公告)号：DE60101531T2

公开(公告)日：2004-09-30

申请号：DE60101531

申请日：2001-04-02

Applicant: LUCENT TECHNOLOGIES INC

Inventor： ABRAHAM SANTOSH P ,  CHUAH MOOI CHOO ,  MEDAPALLI KAMESWARA RAO ,  SAMPATH ASHWIN

IPC: H04B7/26 ,  H04L12/28 ,  H04L12/56 ,  H04L29/06 ,  H04L29/08 ,  H04W28/18 ,  H04W28/24 ,  H04W84/04 ,  H04W92/12 ,  H04W99/00

公开(公告)号：CA2281454C

公开(公告)日：2004-07-06

申请号：CA2281454

申请日：1999-09-08

Applicant: LUCENT TECHNOLOGIES INC

Inventor： ZHANG QINQING ,  YUE ON-CHING ,  CHUAH MOOI CHOO

IPC: H04L29/08 ,  H04B1/707 ,  H04B7/26 ,  H04L12/28 ,  H04L12/56 ,  H04W74/08 ,  H04Q7/38

Abstract: The present invention provides methods and apparatus for providing access priority in a MAC protocol of a communications system such as, for example, with respect to UMTS RACH. Particularly, the invention introduces several access priority methodologies including: (i) random chip delay access priority (RCDAP); (ii) random backoff based access priority (RBBAP); (iii) variable logical channel based access priority (VLCAP); (iv) UMTS-specific variable logical channel based access priority (VLCAP'); (v) probability based access priority (PBAP); and (vi) retransmission based access priority (REBAP). Each methodology associates some parameter or parameter's to access priority classes in order to influence the likelihood of a remote terminal completing a successful access request to a base station.

公开(公告)号：DE60003518D1

公开(公告)日：2003-07-31

申请号：DE60003518

申请日：2000-08-29

Applicant: LUCENT TECHNOLOGIES INC

Inventor： ABRAHAM SANTOSH P ,  CHUAH MOOI CHOO ,  HO JEAN TU ,  RAI GIRISH

IPC: H04L47/22 ,  H04L12/56

Abstract: A traffic management system for addressing quality-of-service concerns in a packet system combines a peak-rate shaper with weighted fair queuing scheduler for providing quality of service guarantees to a number of user connections. In one example, a front-end peak-rate shaper is combined with weighted fair queuing scheduler for providing both peak rate shaping and an average bandwidth guarantee to a number of user connections. In addition, a back-end peak-rate shaper is combined with the weighted fair queuing scheduler for ensuring packets are not transmitted at a data rate higher than the available downlink/uplink bandwidth.

公开(公告)号：CA2356416A1

公开(公告)日：2002-03-21

申请号：CA2356416

申请日：2001-08-30

Applicant: LUCENT TECHNOLOGIES INC

Inventor： SAMPATH ASHWIN ,  MEDAPALLI KAMESWARA RAO ,  CHUAH MOOI CHOO ,  ABRAHAM SANTOSH P

IPC: H04B7/26 ,  H04L12/28 ,  H04L12/56 ,  H04L29/06 ,  H04L29/08 ,  H04W28/18 ,  H04W28/24 ,  H04W84/04 ,  H04W92/12 ,  H04W99/00 ,  H04L12/66 ,  H04Q7/36

Abstract: In a UMTS (universal mobile telecommunications system) Terrestrial Radio Access Network (UTRAN) based wireless system, a wireless network element (e.g., a base station) exchanges information with another wireless network element (e.g., a radio network controller) via data frames (uplink or downlink). Each data frame comprising a header portion and a payload portion, which comprises a QoS class indicator field. Illustratively, the eight bit spare extension field of a UTRAN data frame (uplink or downlink) is used to convey a four bi t payload type indicator and a four bit QoS class indicator.