STANLEY EDWARD KAY
Pilots at Fox Vly Dr, Rockville, MD

6697345, Feb 24, 2004

Jul 23, 1999

09/359605

Stanley E. Kay - Rockville MD
Daniel R. Wending - Bickerson MD
Mike S. Lohman - Gaithersburg MD
Tariq Muhammad - Gaithersburg MD

Hughes Electronics Corporation - El Segundo CA

H04Q 700

370330, 370337, 370466, 4555621

A radio, and related methods of radio communication, consisting of one or more signal formatters, wherein the one or more signal formatters format signals for transmission through the radio and the signals comprise a plurality of transport mode signals. The radio also includes a modem coupled to the one or more signal formatters for modulating the signals, a frequency converter coupled to the modem for upconverting the signals having been modulated to a radio frequency, and a transceiver unit coupled to the frequency converter for transmitting the signals having been upconverted over a radio communications link.

6424690, Jul 23, 2002

Mar 29, 1999

09/281130

Stanley E. Kay - Rockville MD
Yezdi Antia - Gaithersburg MD

Hughes Electronics Corporation - El Segundo CA

H04L 2300

375377, 341 50

The present invention is a method for generating short, non-systematic, non-linear ( ) codes that may be implemented in a 4-ARY quadrature-quadrature phase shift keying (QQPSK or Q PSK) system over GF( ). The codewords are non-systematic in that they do not directly contain the information that is to be transmitted and six symbols are sent to represent four symbols. The present invention uses a code construction method that generates two small, hand-optimized codeword sets and combines those two codeword sets to create two larger codeword sets. The two larger codeword sets are then combined to create a codeword set that is stored in a look-up table for use at a transmission station.

5365571, Nov 15, 1994

May 24, 1993

8/064997

Peter S. Rha - Chevy Chase MD
Stanley E. Kay - Rockville MD
Andrew J. MacDonald - Damascus MD

Hughes Aircraft Company - Los Angeles CA

H04M 1100, H04Q 700

379 59

A cellular radio-telephone system has a plurality of cells each of which has S sectors. The cells are grouped into a plurality of clusters each of which has N adjoining cells. Each cell has a set of assigned system frequencies with respective frequency subsets assigned to its sectors so that N groups of co-channel cells exist with each co-channel cell group including one cell from each cluster having channel frequencies corresponding to those for its co-channel cell group. Respective base station antennas are located in the respective sectors of the respective cells, and each of the cell sectors has a plurality of subscriber station directional antennas disposed at predetermined locations within the sector for communication linkage with the associated base station antenna. The cells are generally formed in rows and columns and further are formed to provide a predetermined relative orientation pattern for co-channel cell sectors. Co-channel cells form a first cell tier around a preselected center co-channel cell with a common direction operative as a reference orientation direction for co-channel sectors therein.

2006004, Mar 2, 2006

Aug 27, 2004

10/927844

Stanley Kay - Rockville MD, US
John Schmid - Gaithersburg MD, US
Mark Steber - Frederick MD, US
Adrian Morris - Darnestown MD, US
William Garner - Gaithersburg MD, US
Richard Clewer - Ijamsville MD, US

H04B 7/185

370316000

A satellite-based communications network employing at least one satellite and a plurality of user terminals adapted for use with the communications network. The network includes a transmitter for transmitting data to the plurality of user terminals, where the data includes a plurality of broadcast modes and/or services. The transmitter transmits data in a packetized format in which a predetermined number of data packets are transmitted in a frame, where the frame is defined as a predetermined period of time. Further, the transmitter transmits each of the plurality of broadcast modes utilizing a single carrier frequency. Each of the plurality of user terminals includes a receiver for receiving the transmitted data and for regenerating the data so that the data is made available to a device coupled to the user terminal.

5357513, Oct 18, 1994

Sep 9, 1993

8/118553

Stanley E. Kay - Rockville MD
John E. Corrigan - Chevy Chase MD
Daniel R. Wendling - Darnestown MD
Ashok D. Mehta - North Potomac MD
Michael I. Parr - San Diego CA

Hughes Aircraft Company - Los Angeles CA

H04J 316

370 953

A mobile telephone system multiplexes plural voice traffic channels on a single carrier using a TDMA protocol. The capacity of the mobile telephone system is increased by assigning voice traffic capacity, not on a conversation basis, but on a speech spurt basis. Accordingly, delays of undetermined duration may occur between subsequent information bursts which correspond to the transmission of speech spurts. An adjustment request regarding the power with which the information bursts are transmitted from a transmitting station to a receiving station is generated by detecting an information burst transmission at the receiving station, measuring the time which elapses following the transmission, and comparing the elapsed time with a predetermined threshold value. If the elapsed time exceeds the threshold, a further transmission is requested from the transmitting station notwithstanding the availability of any information to transmit. The power of the transmission received in response to the request is measured and a control message for requesting an adjustment to the transmission power level in response to the measurement is transmitted to the transmitting station.

2004024, Dec 9, 2004

Aug 8, 2003

10/637222

Stanley Kay - Rockville MD, US
John Corrigan - Chevy Chase MD, US
Dan Wendling - Dickerson MD, US
Mike Lohman - Germantown MD, US
Tariq Muhammad - Gaithersburg MD, US

HUGHES ELECTRONICS CORPORATION

H04L005/12

370/215000, 370/326000, 370/458000

A multi-modulation mode air interface frame format, and related methods for carrying traffic on the multi-modulation mode air frame format, including an overhead portion including a first plurality of time slots and a plurality of overhead bursts located within respective ones of the first plurality of time slots. The frame format also includes a traffic portion including a second plurality of time slots following the first plurality of time slots and a plurality of traffic bursts, wherein respective ones of the plurality of traffic bursts are located within one or more of the second plurality of time slots. And each of the plurality of traffic bursts are modulated using a respective one of a plurality of modulation modes. Furthermore, a multi-transport mode air interface frame format, and related methods, that includes an overhead portion as above and a traffic portion including a second plurality of time slots following the first plurality of time slots following the first plurality of time slots, and a plurality of traffic bursts located within one or more of the second plurality of time slots and a plurality of transport mode signals contained within respective ones of the plurality of traffic bursts.

5367559, Nov 22, 1994

May 11, 1992

7/881271

Stanley Kay - Rockville MD
Youngky Kim - N. Potomac MD
Lou King - Mt. Airy MD
Ashok D. Mehta - Gaithersburg MD
Charles Barnett - Sterling VA

Hughes Aircraft Company - Los Angeles CA

H04M 1100

379 60

Cellular handoff is improved by tailing or adapting the measurement time based on the characteristics of the received signal intensity or power. More particularly, base stations typically measure mobile signal power in order to determine the necessity for handoff and the identity of a new cell. The measurement time must be of a duration which is sufficient to characterize the environment of the mobile. In accordance with the invention, the duration of the measurement time is determined from the received signal itself. Once the duration of the measurement time is determined, that data may be passed to a target cell along with other handoff data.

5422933, Jun 6, 1995

Sep 9, 1993

8/118560

Charles A. Barnett - Sterling VA
Stanley E. Kay - Rockville MD
Lou King - Mt. Airy MD
Ashok D. Mehta - North Potomac MD

Hughes Aircraft Compnay - Los Angeles CA

H04M 1100

379 60

A method and system for handing off an on-going communication from a serving cell to a neighboring cell of a cellular communication system having scanning receivers associated with each base transceiver station. A dynamic threshold is calculated for effecting the handoff in accordance with various operating conditions. The current mobile minimum attentuation level, (MT) the minimum permissible attenuation level of a serving (MS) cell and a neighboring cell (MN), together with the RF signal strength of the mobile unit at the neighboring cell (RSSI-NBR) and the serving cell (RSSI-SRV) are used in calculating a dynamic threshold (RSSI-THP).

5703881, Dec 30, 1997

Mar 9, 1993

8/028502

Stanley E. Kay - Rockville MD
Pradeep Kaul - Darnestown MD
Michael I. Parr - San Diego CA
Graham Avis - San Diego CA
John E. Corrigan - Chevy Chase MD
Daniel Wendling - Darnestown MD
Ashok D. Mehta - North Potomac MD

Hughes Electronics - Los Angeles CA

H04J 317

370468

A multisubscriber unit is disclosed for use of in a digital cellular communication system to communicate with a base transceiver station and eventually to switched telephone network. The multisubscriber unit connects to a plurality of individual subscriber telephones. It includes a plurality of upconverters, modulators, downconverters, demodulators speech compressors, speech decompressors, and voice activity detectors that are assigned to a subscriber telephone upon detection of an off hook signal from the telephone. Preferably, upon the detection of data to be transmitted, to channel allocation is requested from a pool of time division multiple access channels in a digital speech interpolation pool.

5276409, Jan 4, 1994

Nov 19, 1991

7/794743

Ajay Parikh - Gaithersburg MD
Stanley E. Kay - Rockville MD

Hughes Aircraft Company - Los Angeles CA

H01P 706, H03J 900

333 171

An autotuning combiner particularly for use in combining signals for radio telephony transmission. The combiner has a series of filter cavities each with an adjuster for fine-tuning the cavity to an input carrier signal. The combiner cavities are stabilized from positional drift in the absence of a carrier signal by means of a mechanical brake which holds the adjuster or a pilot signal generator which simulates the absent carrier signal.