PATENTS GRANTED

1. Method and system for maximum transmit diversity,
(United States Patent No:7,450,662 B2, Date: November 11, 2008.)
Inventors: Vummintala Shashidhar, Arogyaswami Paulraj, Erik David Lindskog, Balaji Sundar Rajan, Djordje Tujkovic.

2. Method and system for rate-2 transmission,
(United States Patent No: 7,466,759 B2, Date: December 16, 2008.)
Inventors: Vummintala Shashidhar, Arogyaswami Paulraj, Erik David Lindskog, Balaji Sundar Rajan, Djordje Tujkovic.

3. Method and system for rate-2 transmission,
(United States Patent No: 7,477,698, Date: January 13, 2009.)
Inventors: Vummintala Shashidhar, Arogyaswami Paulraj, Erik David Lindskog, Balaji Sundar Rajan, Djordje Tujkovic.

4. Method and system for maximum transmit diversity,
(United States Patent No: 7,586,997, Date: September 8, 2009.)
Inventors: Vummintala Shashidhar, Arogyaswami Paulraj, Erik David Lindskog, Balaji Sundar Rajan, Djordje Tujkovic.

5. Method and system for determining a Log-Likelihood Ratio (LLR) corresponding to each bit of a symbol,
(United States Patent No: 7,684,522 B2, Date: March 23, 2010.)
Inventors: Vummintala Shashidhar, Ramanath Sreenath, and Balaji Sundar Rajan.

6. Data Transmission in Wireless Communication System,
(US Patent No: US 8,111,779 B2); Date: Feb. 07, 2012.
Inventors: Pavan Srinath K. and B. Sundar Rajan.

7. Leveraging coherent distributed space-time codes for non-coherent communication in relay networks via training,
(US Patent No: US 8,089,916 B2); Date: Jan. 03, 2012.
Inventors: G. Susinder Rajan and B. Sundar Rajan.

8. Method to detect data transmitted from multiple antennas and systems thereof,
(US Patent No: US 8,116,411 B2); Date: Feb.14, 2012.
Inventors: Chockalingam; Ananthanarayanan; Rajan; Balaji Sundar; Vardhan; Kalepalli Vishnu; Mohammed; Saif Khan.

FILED (US PATENTS) (Patent Application Publications):

1. Method and system for signal detection using a reduced transmitter constellation,
(US Patent; Pub. No: US 2006/0251181 A1; Pub. Date: Nov. 9, 2006.)
Inventors: Vummintala Shashidhar and Balaji Sundar Rajan.

2. Data Transmission in Wireless Communication System.
(US Patent; Pub. No: US 2010/0260279 A1; Pub. Date: Oct. 14, 2010.)
Inventors: Pavan Srinath K. and B. Sundar Rajan.



PROJECTS AND CONSULTANCY
1. Algorithms for Minimal Trellis Construction and Fast Decoding in Coded Communication Systems (CSIR, India)

2. Algebraic Geometric Codes (NOKIA RESEARCH CENTER, Finland)

3. Turbo Coding, Iterative Decoding and Graphical Models (DST, India)

4. Investigations on Group Codes and Asymptotically Good Euclidean Space Codes (CSIR, India)

5. Space-Time Codes from Orthogonal Designs and Field Extensions (DRDO-IISc Program on Advanced Research in Mathematical Engineering)

6. Space-Time Block Codes for MIMO block-fading channels using Designs and Algebras (DRDO-IISc Program on Advanced Research in Mathematical Engineering)

7. Signal Design and Decoding algorithms for Multi-Antenna Communication Systems (CSIR, India) (Co-Investigator: Prof. Utpal Mukherji)

8. MIMO Wireless Communication Systems (Beceem Communications Pvt. Ltd., Bangalore).

9. Low-complexity Space-Time Codes for MIMO and Cooperative Communication (DRDO-IISc Program on Advanced Research in Mathematical Engineering)

10. Space-Time Coding for Wireless Communication Systems (Beceem Communications Pvt. Ltd., Bangalore)

11. Coding for Multi-User-MIMO (MU-MIMO) Communication and Network-Error Correction (DRDO-IISc Program on Advanced Research in Mathematical Engineering)