1
Paul Mermelstein, Rafi Rabipour, William Navarro, Paul Coverdale: Method and apparatus for improving the voice quality of tandemed vocoders. Nortel Networks Corporation, Foley & Lardner, November 30, 1999: US05995923 (80 worldwide citation)

In recent years, the telecommunications industry has witnessed the proliferation of a variety of digital vocoders in order to meet bandwidth demands of different wireline and wireless communication systems. The rapid growth in the diversity of networks and the number of users of such networks is inc ...


2
Paul Coverdale, Leo Strawczynski: Unidirectional streaming services in wireless systems. Nortel Networks, Jeff Measures, April 16, 2002: US06373842 (80 worldwide citation)

A high layer protocol organizes Unidirectional Streaming Services (USS) data into frames and said data is transmitted to the wireless user's terminal. The USS data is not delivered until a criteria is satisfied, e.g., the receive buffer is filled to an appropriate value. After the USS data is r ...


3
Rafi Rabipour, Paul Coverdale, Paxton Smith: Method and apparatus for packet-based media communication. Nortel Networks, February 28, 2006: US07006456 (29 worldwide citation)

A conference bridge is provided for managing a conference between media signal sources generating media data packets conveying encoded media information and encoding type information. The media signal sources, in order to enter a conference, generate link messages including respective supported enco ...


4
Rafi Rabipour, Paul Coverdale, William Navarro: Method and apparatus for asymmetric communication of compressed speech. Nortel Networks, Dennis R Haszko, Smart & Biggar, November 27, 2001: US06324515 (13 worldwide citation)

This invention relates to a method and an apparatus for processing digital audio signals that may reduce the signal degradation occurring when the signal is exchanged between two communication terminals equipped with vocoders in a communication network. The solution proposed by this invention is to ...


5
Sejal Kamani, Paul Coverdale, Chi Wong, Ben Kwong: Method and apparatus for providing a configurable quality of service threshold for voice over internet protocol. Nortel Networks, Blakely Sokoloff Taylor & Zafman, April 7, 2009: US07515583 (7 worldwide citation)

A method of connecting a telephone call through one of a plurality of networks where one of the plurality of networks is an internet protocol network is provided. A first factor for an acceptable quality of service level is received from a user. A second factor responsive to the quality of service f ...


6
Rafi Rabipour, Chung Cheung Chu, Paul Coverdale: Method and apparatus for controlling an operative setting of a communications link. Nortel Networks, July 11, 2006: US07076316 (2 worldwide citation)

A method and apparatus for controlling an operative setting of a communications link is provided. The communications link is capable of acquiring a plurality of operative settings. Audio quality in the communications link under different operative settings is compared and an operative setting is sel ...


7
Nimal Senarath, Paul Coverdale, Hongyi Li, Shalini Periyalwar, Koon Hoo Teo: Method and system for packet scheduling. Apple, Meyertons Hood Kivlin Kowert & Goetzel P C, Eric B Meyertons, August 6, 2013: US08503299 (1 worldwide citation)

A method and system for packet scheduling are provided. The method includes: the step of receiving an incoming packet; extracting packet identification information associated with the incoming packet, and assessing a delay budget for the incoming packet in dependence upon its arrival time and the as ...


8
Rafi Rapipour, Paul Coverdale: Adapter for use with a tandem-free conference bridge. Nortel Networks, November 17, 2009: US07619994

A conference bridge adapter for processing data carried on a media path between, on the one hand, a conference bridge operative to communicate composite packets carrying media information and auxiliary information pertaining to the media information and, on the other hand, an endpoint characterized ...


9
Nimal Senarath, Paul Coverdale, Hongyi Li, Shalini Periyalwar, Koon Hoo Teo: Method and system for packet scheduling. Nortel Networks, Gowling Lafleur Henderson, January 25, 2007: US20070019552-A1

A method and system for packet scheduling are provided. The method includes: the step of receiving an incoming packet; extracting packet identification information associated with the incoming packet, and assessing a delay budget for the incoming packet in dependence upon its arrival time and the as ...


10
Rafi Rabipour, Chung Cheung Chu, Paul Coverdale: Method and apparatus for controlling an operative setting of a communications link. Smart & Biggar, August 8, 2002: US20020107593-A1

A method and apparatus for controlling an operative setting of a communications link is provided. The communications link is capable of acquiring a plurality of operative settings. Audio quality in the communications link under different operative settings is compared and an operative setting is sel ...