Ray L Wang

US Patent:

6396837, May 28, 2002

Filed:

Mar 3, 2000

Appl. No.:

09/518391

Inventors:

Ray Wang - McLean VA
Paul Y. B. Shieh - Westborough MA

Assignee:

3Com Corporation - Santa Clara CA

International Classification:

H04L 1256

US Classification:

37039521, 3703956, 370466

Abstract:

A method and system for mapping virtual connections to asymmetric digital subscriber line (âADSLâ) latency paths. A request for virtual connection from a transport network (e. g. , Asynchronous Transport Mode, Frame Relay, etc. ) with a desired service category (e. g. , quality-of-service) and a desired latency is mapped to an ADSL device latency interface by checking a latency mapping policy. This mapping provides a virtual connection with a desired service category and a desired latency over ADSL links. The latency mapping includes an embedded service category mapping from a transport network to latency paths at an ADSL transmission convergence sub-layer allowing differential services to be provided for user data based on a desired service category. The latency mapping mechanism may help provide use of end-to-end service categories such as quality-of-service categories, over real-time ADSL links.

US Patent:

6542465, Apr 1, 2003

Filed:

May 28, 1999

Appl. No.:

09/322575

Inventors:

Ray Wang - Centreville VA

Assignee:

3Com Corporation - Santa Clara CA

International Classification:

G08C 1500

US Classification:

370232, 370235, 3703951, 370485, 375219, 379 9301

Abstract:

A method for flow control in asymmetric digital subscriber line (âADSLâ) devices. The method includes flow control that adapts to changes in line conditions such as noise signals, onhook/offhook signals, etc. that may result in degradations in the quality-of-service in an ADSL system. The flow control includes buffering outbound data and ceasing transmission of data at an original transmission rate on an ADSL device that is used on a customer site. An original data transmission rate is adjusted based on changes in line conditions. One more or data transmission characteristics may be adjusted before sending any data at a new data transmission rate. For example, Asynchronous Transport Mode (âATMâ) often uses ADSL devices as a physical layer to transmit data. ATM available bit-rate, constant bit-rate, variable bit-rate or unspecified bit-rate transmission characteristics or ATM quality-of -service characteristics may be adjusted before sending any data at a new data transmission rate. Traffic shaping may be optionally applied to the data at the new data transmission rate.

US Patent:

6636505, Oct 21, 2003

Filed:

May 28, 1999

Appl. No.:

09/322515

Inventors:

Ray Wang - Centreville VA
Paul Shieh - Westoborough MA

Assignee:

3Com Corporation - Santa Clara CA

International Classification:

G01R 3108

US Classification:

370352, 3703951, 370465, 370468, 370254

Abstract:

A method for automatically provisioning a broadband communication service to a subscriber having a broadband modem. The method includes the step of transmitting a service request from the broadband modem to a central office, which is associated with a network service provider. The network is configured for service in response to the service request. The method further includes automatically configuring the broadband modem by transmitting a configuration signal from the central office to the subscriber. The configuration signal may be transmitted to the broadband modem over a POTS subchannel. Alternatively, the configuration signal may be transmitted to the broadband modem over a subchannel in a broadband service, such as a DMT subchannel for ADSL service.

US Patent:

6775268, Aug 10, 2004

Filed:

Mar 3, 2000

Appl. No.:

09/518445

Inventors:

Ray Wang - McLean VA
Paul Y. B. Shieh - Westborough MA

Assignee:

3Com Corporation - Marlborough MA

International Classification:

H04L 1266

US Classification:

370352, 3703951, 370466

Abstract:

A method and system for packet service category requests to asymmetric digital subscriber line (âADSLâ) latency paths. A data packet request from a customer premise distribution network with a desired service category (e. g. , quality-of-service) and a desired latency is mapped to an ADSL device latency interface by checking a latency mapping policy. This mapping provides a virtual connection with a desired service category and a desired latency over ADSL links. The latency mapping includes an embedded service category mapping allowing differential services to be provided for user information based on a desired service category. The latency mapping mechanism may allow easier use of end-to-end packet service categories such as type-of-service categories, for data packets such as Internet Protocol (âIPâ) data packets, or Voice over IP (âVoIPâ) data packets over real-time asymmetric digital subscriber line links.

US Patent:

6909903, Jun 21, 2005

Filed:

Jul 19, 2001

Appl. No.:

09/909336

Inventors:

Ray Wang - McLean VA, US

Assignee:

3E Technologies International, Inc. - Rockville MD

International Classification:

H04Q007/20

US Classification:

4554561, 4554563, 4554565, 4554041, 4554141

Abstract:

A method and system for location-aware wireless mobile devices including a mobile user network interfaces and protocol. A network-independent location-aware network protocol provides communication with location-aware wireless mobile devices. The protocol is network-independent to support and deliver location-aware services over virtually any wireless or wired network transparently regardless of the protocols being used on a transport network. The protocol is location-aware of current geographic locations of plural wireless mobile devices. Alert information is provided to a location-aware wireless mobile device with the network-independent location-aware network protocol and interfaces. Location-aware wireless mobile devices are located and provided with alert information with the network-independent location-aware network protocol and interfaces. The method, system, interfaces and protocol may help improve usability of mobile devices by allowing the mobile devices to be location-aware.

US Patent:

7257106, Aug 14, 2007

Filed:

Apr 14, 2003

Appl. No.:

10/413108

Inventors:

Steven Chien-Young Chen - Derwood MD, US
Ray Wang - McLean VA, US

Assignee:

3e Technologies International, Inc. - Rockville MD

International Classification:

H04Q 7/24
H04L 12/28

US Classification:

370338, 370401, 370466, 725 74

Abstract:

An integrated phone-based home gateway system. The integrated phone-based home gateway system is a multi-function wireless and wired networking, wireless and wired telephony, broadband, gateway device. It provides automatic wireless and wired broadband initialization, configuration and service provisioning, gateway, routing and bridging functionality, wireless and wired data and telephony functionality and allows resource sharing among multiple wireless and wired devices.

US Patent:

7336942, Feb 26, 2008

Filed:

Apr 5, 2005

Appl. No.:

11/099157

Inventors:

Ray Wang - McLean VA, US

Assignee:

3E Technologies International, Inc. - Rockville MD

International Classification:

H04M 11/04

US Classification:

4554042, 4554041, 4554563, 4554562, 4554141

Abstract:

A method and system for location-aware wireless mobile devices. A network-independent location-aware network protocol and interfaces provide communication with location-aware wireless mobile devices. Alert information is provided to a location-aware wireless mobile device with the network-independent location-aware network protocol and interfaces. Location-aware wireless mobile devices are located and provided with alert information with the network-independent location-aware network protocol and interfaces. The method and system helps improve usability of mobile devices by allowing the mobile devices to be location-aware.

US Patent:

7382786, Jun 3, 2008

Filed:

Jan 31, 2001

Appl. No.:

09/773103

Inventors:

Steven Chien-Young Chen - Derwood MD, US
Ray Wang - McLean VA, US

Assignee:

3E Technologies International, Inc. - Rockville MD

International Classification:

H04L 12/28

US Classification:

370401, 370352, 370432, 725 82

Abstract:

A integrated phone-based home gateway system is disclosed. The integrated phone-based home gateway system includes a broadband communication device, such as digital subscriber line (“DSL”) device, an analog modem, a wireless interface, integrated into a screen-phone for providing broadband communication service to home users. Multiple home users are able to access the Internet and the content services for conducting e-commerce, receiving content news, entertaining on-demand, making audio or video communications, and telecommuting or working at home. This screen-phone based, modular, plug-n-play home gateway interface allows in-home as well as to-home networking, provides automatic data and broadband initialization, configuration and service provisioning, routing and bridging functionality and allows resource sharing among home devices via the existing phone wire, wireless, coaxial or optical cable connections.