1
Balachandran Krishna, Ejzak Richard Paul, Nanda Sanjiv: System and method for incremental redundancy transmission in a communication system. Lucent Technologies, August 25, 1999: EP0938207-A2 (79 worldwide citation)

A system and method for incremental redundancy transmission in a communication system. A time slot is provided having at least one sub-slot with a fixed size, and a data block sized to fit in the sub-slot, a header having a one data block sequence number in the header for the time slot. A parity blo ...


2
Balachandran Krishna, Kadaba Srinivas R, Nanda Sanjiv, Ejzak Richard Paul: System and method for measuring channel quality information. Lucent Technologies, March 3, 1999: EP0899906-A2 (54 worldwide citation)

In a system and method to measure channel quality in terms of signal to noise ratio for the transmission of coded signals over fading channels, a Viterbi decoder metric for the Maximum Likelihood path is used as a channel quality measure. This Euclidean distance metric is filtered in order to smooth ...


3
Ejzak Richard Paul, Gafrick John Matthew, Lassers Harold Aaron, Martin Ronald Bruce: Handover of wireless calls between systems supporting circuit and packet call models. Lucent Technologies, February 27, 2002: EP1182900-A1 (45 worldwide citation)

An improved wireless network provides intersystem handoffs between existing circuit wireless systems and packet systems. A packet wireless system is enhanced to provide translation between circuit and packet call models. A Media Gateway translates bearer traffic between formats used in each system. ...


4
Ejzak Richard Paul, Nanda Sanjiv: Retransmission protocol for wireless communications.. At & T, June 14, 1995: EP0658028-A2 (26 worldwide citation)

The throughput of a radio transmission link is enhanced by arranging a transmitter of data packets so that it responds to the transmission window closing by repeatedly retransmitting all unacknowledged data packets and doing so until the window reopens or a receiver status message acknowledges recei ...


5
Doshi Bharat Tarachand, Ejzak Richard Paul, Dravida Subrahmanyam, Nanda Sanjiv, Sawkar Anil, Treventi Philip Andrew: Cellular system architectures supporting data services. Lucent Technologies, October 15, 1997: EP0801513-A1 (17 worldwide citation)

Four stages of digital cellular architecture are presented which reuse much of the existing voice infrastructure while allowing graceful introduction of data and integrated voice/data services over industry standard, low cost platforms. First, a separate ATM-based infrastructure (46) is introduced t ...


6
Doshi Bharat Tarachand, Nanda Sanjiv, Ejzak Richard Paul: A signaling protocol for a noisy communications channel.. At & T, November 15, 1995: EP0682425-A2 (16 worldwide citation)

The retransmission of signaling messages that data terminals (e.g., modems) might exchange prior to exchanging user data is controlled by arranging a data terminal that receives multiple copies of the same signaling message so that it saves only the first copy thereof, but transmits a response to th ...


7
Balachandran Krishna, Ejzak Richard Paul, Nanda Sanjiv, Siv Mohan Seth, Satonislav Vitebski, William Waun: System and method for link and media access control layer processing start procedure. Lucent Technol, February 18, 2000: JP2000-049866 (13 worldwide citation)

PROBLEM TO BE SOLVED: To suppress the probability of vagueness in the case of performing intermittent packet processing by performing medium access control layer processing corresponding to the start protocol data unit transmission of a receiver. SOLUTION: A medium access control layer controller ML ...


8
Balachandran Krishna, Ejzak Richard Paul, Nanda Sanjiv, Seth Shiv Mohan, Vitebskiy Stanislav, Waung William: A system and method for link and media access control layer transaction completion procedures. Lucent Technologies, November 24, 1999: EP0959589-A2 (9 worldwide citation)

A system and method of implementing a radio link protocol completion oriented packet data communication system. A data backlog is described with a media access control layer controller and transmitting a BEGIN protocol data unit containing a flag transmitted to a receiver. A media access control lay ...


9
Ejzak Richard Paul, Hendrikson Eric Harold, Liu Chung Zin, Xie Hong: Fast network sip/sdp procedures for conference operations with optimization of network resources. Lucent Technologies, October 6, 2004: EP1465386-A1 (6 worldwide citation)

The apparatus and method are fast network SIP/SDP (Session Initiation Protocol/Session Description Protocol) procedures for conference operations upon request from end user with optimization of network resources. The apparatus has an SIP/SDP based network controller that, upon a received request, jo ...


10
Ejzak Richard Paul: Equal access to inter-exchange carriers in a mobile wireless packet data communication system. At & T, February 21, 1996: EP0697798-A2 (4 worldwide citation)

The present invention discloses an improvement to a wireless packet data communication system by permitting a subscriber using a mobile end system (M-ES) (205) to select the inter-exchange carrier (IXC) (222 or 224) which will carry the data over those network paths for which the subscriber bears th ...