At&t Intellectual Property I, L.p.

At&t Mobility Ii LLC

Lucent Technologies Inc.

Alcatel Lucent

At+t Corp.

American Telephone and Telegraph, Co.

Alireza Farid Faryar

Kurt Donald Huber

Cheng P Liu

Kyeong Ho Yang

Moushumi Sen

Sangar Dowlatkhah

Radhika R Roy

Robert C Streijl

Siroos K Afshar

Henry Jackson Fowler, Jr

Marian Rogers Croak

Kim N Matthews

Samuel Glazer

Barbara Joanne Kittredge

Wenwu Zhu

Siu-Wai Wu

Larry A Russell

Magda K Nassar

Steve Fisher

Enrique G Cuevas

Behzad Nadji

George John Kustka

David Thomas

Karen McGregor-Barnes

Cameron Scott Blandford

Burwell Goode

Rajesh Hingorani

Nelson Botsford, Iii

Arun Narayan Netravali

Peter H Westerink

Kim Nigel Matthews

Eric David Petajan

Knauer Scott Carroll

George J Kustka

Nelson Iii Botsford

Management services are provided during local breakout at a femto access point (FAP). In an aspect, the FAP facilitates policy management and employs a policy component to perform an analysis and enforce a set of policies for dynamically selecting an optimal route for traffic received at the FAP based on a decision-making process. Typically, the set of policies can specify different routes based on various factors, such as, but not limited to, type of traffic, current and/or future network resource availability, current time, day and/or date, location of the FAP, location of a UE sending/receiving the traffic, a lowest cost route, and/or route based on cost-benefit, etc. Further, a monitoring component is employed to observe the route employed by that traffic, which can be utilized by various services, such as, billing, Quality of Service, security management, address management, failure management and/or provisioning.

Femtocell local breakout management services

Service continuity when a user equipment (UE) employing local breakout mechanisms at a femto access point (FAP) for a communication session and moves out of the femto coverage area is disclosed. In particular, a network change detection component can be employed to detect when the UE, attached to the FAP, changes its connection from the femto network to the macro network. Further, an active communication session can exist between the UE and a device/service/application on a local Area network (LAN) connected to a FAP, and/or the Internet, which utilizes local breakout at the FAP. When the UE moves out of the femto network, a context management component can be employed to seamlessly resume the communication session, via the macro network.

Service continuity during local breakout in a femtocell

Local breakout mechanisms can be performed by a femto access point (FAP) to facilitate efficient utilization of backhaul and/or macro networks. In particular, a slave Gateway GPRS Support Node (GGSN) can be integrated within the FAP to directly route the incoming traffic from a user equipment (UE) at the FAP. In one example, Internet bound traffic can be directly routed to the Internet, without employing macro network resources. Further, the system can avoid hairpinning by routing traffic between the UE and a home Local Area Network (LAN) by a anchoring a call or a session in the slave GGSN and facilitate integration of UEs with home applications by employing a UE Digital Home Agent. In addition, the FAP can perform UE-to-UE CS media breakout to facilitate communication between UEs attached to the FAP, without routing the traffic through the core macro network.

Femtocell local breakout mechanisms

Service continuity is provided when a user equipment (UE), employing local breakout mechanisms at a femto access point (FAP) for a communication session, moves out of the femto coverage area. In particular, a network change detection component can be employed to detect when the UE, attached to the FAP, changes its connection from the femto network to the macro network. Further, an active communication session can exist between the UE and a device/service/application on a local Area network (LAN) connected to a FAP, and/or the Internet, which utilizes local breakout at the FAP. When the UE moves out of the femto network, a context management component can be employed to seamlessly resume the communication session, via the macro network.

A system and methodology that provides management services during local breakout at a femto access point (FAP) is provided. In particular, the FAP facilitates policy management and employs a policy component to perform an analysis and enforce a set of policies for dynamically selecting an optimal route for traffic received at the FAP based on a decision-making process. Typically, the set of policies can specify different routes based on various factors, such as, but not limited to, type of traffic, current and/or future network resource availability, current time, day and/or date, location of the FAP, location of a UE sending/receiving the traffic, a lowest cost route, and/or route based on cost-benefit, etc. Further, a monitoring component is employed to observe the route employed by that traffic, which can be utilized by various services, such as, billing, Quality of Service, security management, address management, failure management and/or provisioning.

A system and methodology that facilitates service continuity when a user equipment (UE), employing local breakout mechanisms at a femto access point (FAP) for a communication session, moves out of the femto coverage area is provided. In particular, a network change detection component can be employed to detect when the UE, attached to the FAP, changes its connection from the femto network to the macro network. Further, an active communication session can exist between the UE and a device/service/application on a local Area network (LAN) connected to a FAP, and/or the Internet, which utilizes local breakout at the FAP. When the UE moves out of the femto network, a context management component can be employed to seamlessly resume the communication session, via the macro network.

A system and methodology that facilitates home services integration by employing a local breakout mechanism at a femto access point (AP) is provided. In particular, the system can perform mapping to provide home functions to an authorized user equipment (UE) attached to the femto AP and provide integration with one or more home services. Further, a monitoring component is employed for home monitoring and facilitates monitoring and/or controlling devices on the home Local Area Network (LAN) via the UE. Furthermore, an access management component is utilized to set, manage and implement access privileges associated with UEs authorized to access the DH LAN. In addition, shared location data is determined and utilized for location based management and/or location assistance services.

Home service integration and management by employing local breakout mechanisms in a femtocell

A system and methodology that employs local breakout mechanisms at a femto access point (FAP) to facilitate efficient utilization of backhaul and/or macro networks is provided. In particular, a slave Gateway GPRS Support Node (GGSN) can be integrated within the FAP to directly route the incoming traffic from a user equipment (UE) at the FAP. In one example, Internet bound traffic can be directly routed to the Internet, without employing macro network resources. Further, the system can avoid hairpinning by routing traffic between the UE and a home Local Area Network (LAN) by a anchoring a call or a session in the slave GGSN and facilitate integration of UEs with home applications by employing a UE Digital Home Agent. In addition, the FAP can perform UE-to-UE CS media breakout to facilitate communication between UEs attached to the FAP, without routing the traffic through the core macro network.

An access architecture for real-time communications is described. The architecture includes an inter-architecture network utilizing a single protocol, a plurality of border elements in communication with the inter-architecture network and with an external network, and one or more call control elements in communication with said inter-architecture network. The external network utilizes any of a variety of known networking technologies and protocols. The inter-architecture network utilizes a single protocol such as SIP. The present architecture provides a single common infrastructure for offering real-time communications services independent of call control protocols and networking technologies.

Access independent common architecture for real-time communications services for networking environments

In order to provide a single common cost-efficient architecture for real time communication services for audio, video, and data over internet protocol, a voice over internet protocol (VoIP) system and architecture is provided by placing border elements (BEs) at the interface boundaries between the access network the user devices use and the VoIP infrastructure. The BEs use SIP protocol as the access call control protocol over any access networking technologies, for example, IP, Ethernet, ATM, and FR, and provides all services transparently to the end users that use SIP-enabled devices. To enable a scalable system, the SIP BEs are decomposed into separate communicating entities that make the SIP BE scalable and provide new capabilities not previously available by a self-contained SIP BE. Further, multiple levels of decomposition of a SIP BE can be provided by the present invention supporting a flexible and scalable SIP BE design that further improves system efficiencies and cost advantages as compared to use of single integrated border or edge elements. Further, a scalable SIP BE, made up of a plurality of physical entities for optimization of a large scale design, acts as a single integrated functional entity to logically execute a set of functions at the border of a VoIP infrastructure.

Method and apparatus for functional architecture of voice-over-IP SIP network border element

Methods and apparatus for performing near lossless-concatenated N-level constrained quantization Hadamard transform decoding are provided. Accordingly, the present invention provides a transform-based coding technique, where the coding loss introduced during repeated encoding and decoding is reduced to a substantially insignificant level. This is accomplished by employing a constrained quantization and inverse quantization operation in each level of encoding/decoding in the decoder. In this manner, the concatenation error between each level of a decoder is reduced to a substantially minimum level and the quantization error introduced during quantization operations, i.e., originally at the encoder and in each level of the decoder, is substantially reduced. Thus, the decoded bit stream that is output at the N-th level of the decoder is substantially the same as the original bit stream provided to the input of the encoder.

Methods and apparatus for nearly lossless-concatenated block transform coding

Growing community of inventors

Fair Haven, NJ, United States of America

Alireza Farid Faryar