Company Filing History:

7 out of 1,045

Viasat, Inc.

Communications Satellite Corporation

patents

Years Active: 1993-2023

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11855751 - Forward and reverse calibration for ground-based beamforming (2023-12-26),

2. 11456802 - Forward and reverse calibration for ground-based beamforming (2022-09-27),

3. 10892820 - Forward and reverse calibration for ground-based beamforming (2021-01-12),

4. 10516475 - Forward and reverse calibration for ground-based beamforming (2019-12-24),

5. 9768859 - Forward and reverse calibration for ground-based beamforming (2017-09-19),

6. 9025591 - Forward and reverse calibration for ground-based beamforming (2015-05-05),

7. 8331329 - Forward and reverse calibration for ground-based beamforming (2012-12-11),

8. 6661781 - Multicarrier demux/demod (MCDD) wireless network architecture (2003-12-09),

9. 6278754 - Demodulation of asynchronously sampled data by means of detection-transition sample estimation in a shared multi-carrier environment (2001-08-21),

10. 6175720 - Paging cells & paging time plans for non-geostationary satellite system (2001-01-16),

11. 6084541 - Self diagnosis and self healing scheme for digital beam-forming (2000-07-04),

12. 6075826 - Method and apparatus for obtaining initial carrier and symbol phase (2000-06-13),

13. 5946602 - Reduction of queuing delays by multiple subgroup assignments (1999-08-31),

14. 5293330 - Pipeline processor for mixed-size FFTs (1994-03-08),

15. 5214674 - Method and apparatus for carrier synchronization acquisition in a (1993-05-25),

Title: The Innovative Journey of Soheil I Sayegh

Introduction

Soheil I Sayegh, an accomplished inventor based in Gaithersburg, MD, has made significant strides in the field of satellite communication systems. With a remarkable portfolio of 15 patents to his name, Sayegh's contributions to technology are both innovative and impactful.

Latest Patents

One of Sayegh's latest patents, entitled "Forward and Reverse Calibration for Ground-Based Beamforming," presents groundbreaking methods and systems for enhancing the calibration processes associated with both return and forward links in satellite communication systems. His innovative approach involves calculating and estimating the phase and amplitude variations that impact beamforming. The patent details the use of calibration earth stations, strategically distributed across multiple beam patterns, to transmit necessary calibration codes to the gateway for optimal performance. Notably, he employs a weighted minimum mean square algorithm to estimate return link variations at the gateway. Additionally, forward links are calibrated using codes sent from the gateway through a hybrid matrix to various calibration stations. By addressing temperature-dependent signal variations, such as diplexer variations at the satellite, his invention promises to enhance communication reliability.

Career Highlights

Throughout his career, Soheil I Sayegh has worked with prominent companies in the field, including Viasat, Inc. and Comsat Corporation. His extensive experience in these organizations has helped him refine his skills and enhance his innovative capabilities as an inventor.

Collaborations

Sayegh has collaborated with noted professionals in the industry, including colleagues Dattakumar M Chitre and James R Thomas. Their teamwork underscores the collaborative spirit that often drives technological advancements and patent developments.

Conclusion

In conclusion, Soheil I Sayegh’s contributions to the realm of satellite communications through his inventions, particularly in calibration systems, mark him as an influential figure in technology. His 15 patents reflect a dedication to innovation and a deep understanding of complex communication systems, positioning him as a leading inventor in his field.

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