Dr.-Ing Tobias Oechtering

Contact:

Dauer der Mitarbeit:

bis 2008

Thema der Arbeit:

Resource allocation, coding, and signal processing for bidirectional relaying

Research interests:

Signal Processing for Mobile Communications and Applied Information Theory, especially:

• relay and interference channel
• scheduling strategies
• cooperation in cellular networks

Main research:

• bidirectional relay communication (also known as two-way relay channel)
• scheduling for wireless networks

Projects:

• 3GPP Industry Project (EASY-C)

PhD Thesis:

"Spectrally Efficient Bidirectional Decode-and-Forward Relaying for Wireless Networks" (Oct.07)

Publications:

Journal Papers

• MIMO Gaussian Bidirectional Broadcast Channels with Common Messages
  R. F. Wyrembelski, T. J. Oechtering, and H. Boche, IEEE Transactions on Wireless Communications, 2011, accepted.
• Optimal Coding Strategies for Bidirectional Broadcast Channels Under Channel Uncertainty
  R. F. Wyrembelski, I. Bjelakovic, T. J. Oechtering, and H. Boche, IEEE Transactions on Communications, vol. 58, no. 10, pp. 2984-2994, Oct. 2010.
• On the Optimal Transmit Strategy for the MIMO Bidirectional Broadcast Channel
  T. J. Oechtering, E. A. Jorswieck, R. F. Wyrembelski, and H. Boche, IEEE Transactions on Communications, vol. 57, no. 12, pp. 3817-3826, Dec. 2009.
• Multiantenna Bidirectional Broadcast Channels - Optimal Transmit Strategies
  T. J. Oechtering, R. F. Wyrembelski, and H. Boche, IEEE Transactions on Signal Processing, vol. 57, no. 5, pp. 1948-1958, May 2009.
• Piggyback a Common Message on Half-Duplex Bidirectional Relaying
  T. J. Oechtering and H. Boche, IEEE Transactions on Wireless Communications, vol. 7, no. 9, pp. 3397-3406, Sept. 2008.
• Bidirectional Regenerative Half-duplex Relaying using Relay Selection
  T. J. Oechtering and H. Boche, IEEE Transactions on Wireless Communications, vol. 7, no. 5, pp. 1879-1888 , May 2008.
• Complete Characterization of the Equivalent MIMO Channel for Quasi-Orthogonal Space-Time Codes
  A. Sezgin and T. J. Oechtering, IEEE Transactions on Information Theory, Mar. 2008, submitted dec 2004, accepted mar 2008.
• Broadcast Capacity Region of Two-Phase Bidirectional Relaying
  T. J. Oechtering, C. Schnurr, I. Bjelakovic, and H. Boche, IEEE Transactions on Information Theory, vol. 54, no. 1, pp. 454-458, Jan. 2008.
• Optimal Time-Division for Bidirectional Relaying using Superposition Encoding
  T. J. Oechtering and H. Boche, IEEE Communications Letters, vol. 12, no. 4, Apr. 2008.
• Stability Region of an Optimized Bidirectional Regenerative Half-duplex Relaying Protocol
  T. J. Oechtering and H. Boche, IEEE Transactions on Communications, vol. 56, no. 9, pp. 1519-1529, Sept. 2008.
• Analytical expression for uplink C/I-distribution in interference-limited cellular radio systems
  C. M. Walke and T. J. Oechtering, IEE Electronic Letters, vol. 38, no. 14, pp. 743-744, 2002.

Conference, Symposium, and Workshop Papers

• MIMO Bidirectional Broadcast Channels with Common Message
  R. F. Wyrembelski, T. J. Oechtering, and H. Boche, Proc. IEEE Global Communications Conference (GLOBECOM '10), Miami, Florida, USA, Dec. 2010, pp. 1-5.
• On the Capacity of Bidirectional Broadcast Channels under Channel Uncertainty
  R. F. Wyrembelski, I. Bjelakovic, T. J. Oechtering, and H. Boche, Proc. IEEE International Conference on Communications (ICC '09), Dresden, Germany, June 2009, pp. 1-5.
• On the Optimal Transmission for the MIMO Bidirectional Broadcast Channel
  T. J. Oechtering, R. F. Wyrembelski, and H. Boche, Proc. IEEE International Conference on Communications (ICC '09), Dresden, Germany, June 2009, pp. 1-5.
• Decode-and-Forward Strategies for Bidirectional Relaying
  R. F. Wyrembelski, T. J. Oechtering, and H. Boche, Proc. 19th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC '08), Cannes, France, Sept. 2008, pp. 1-6, invited.
• The Asymptotic Performance of Three-Hop Relay Communication using Amplify-and-Forward
  R. F. Wyrembelski, T. J. Oechtering, and H. Boche, Proc. 7th International ITG Conference on Source and Channel Coding (SCC '08), Ulm, Germany, Jan. 2008.
• Optimal Time-Division of Two-Phase Decode-and-Forward Bidirectional Relaying
  T. J. Oechtering, R. F. Wyrembelski, and H. Boche, Proc. IEEE International Symposium on Information Theory and its Applications (ISITA '08), Auckland, New Zealand, Dec. 2008, pp. 829-834.
• Optimal Transmit Strategy for the 2×1 MISO Bidirectional Broadcast Channel
  T. J. Oechtering, R. F. Wyrembelski, and H. Boche, Proc. 9th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC '08), Recife, Brazil, July 2008, pp. 316-320.
• Capacity of Gaussian MIMO Bidirectional Broadcast Channels
  R. F. Wyrembelski, T. J. Oechtering, I. Bjelakovic, C. Schnurr, and H. Boche, Proc. IEEE International Symposium on Information Theory (ISIT '08), Toronto, Canada, July 2008, pp. 584-588.
• Coding theorems for the restricted half-duplex two-way relay channel with joint decoding
  C. Schnurr, S. Stanczak, and T. Oechtering, Proc. IEEE International Symposium on Information Theory (ISIT), Toronto, Canada, July 6-11 2008.
• Achievable rates for the restricted half-duplex two-way relay channel under a partial-decode-and-forward protocol
  C. Schnurr, S. Stanczak, and T. Oechtering, Proc. IEEE Information Theory Workshop (ITW), Porto, Portugal, May 5-9 2008.
• Bidirectional Relaying using Interference Cancellation
  T. J. Oechtering and H. Boche, Proc. ITG/IEEE International Workshop on Smart Antennas (WSA '07), Vienna, Austria, Feb. 2007.
• OPTIMAL TRANSMIT STRATEGIES IN MULTI-ANTENNA BIDIRECTIONAL RELAYING
  T. J. Oechtering and H. Boche, Proc. IEEE Intern. Conf. on Acoustics, Speech, and Signal Processing (ICASSP '07), Honolulu, Hawaii, USA, Apr. 2007.
• Relay Selection in Bidirectional Relay Communication
  T. J. Oechtering and H. Boche, Proc. 8th IEEE Workshop on Signal Processing Advances in Wireless Communications (SPAWC), Helsinki, Finland, June 2007, Best Student Paper Award.
• Piggyback a Common Message on Bidirectional Relaying
  T. J. Oechtering and H. Boche, Proc. Workshop on Wireless Networks - Communication, Cooperation and Competition (WNC3-'07), 2007.
• Achievable Rate Region of a Two Phase Bidirectional Relay Channel
  T. J. Oechtering, C. Schnurr, I. Bjelakovic, and H. Boche, Proceedings of the 41st Annual Conference on Information Sciences and Systems, Mar. 2007.
• On coding for the broadcast phase in the two-way relay channel
  C. Schnurr, T. J. Oechtering, and S. Stanczak, Proceedings of the 41st Annual Conference on Information Sciences and Systems, Mar. 2007.
• On the Strong Converse for the Broadcast Capacity Region of Two-Phase Bidirectional Relaying
  I. Bjelakovic, T. J. Oechtering, C. Schnurr, and H. Boche, Proc. IEEE Information Theory Workshop (ITW '07), Bergen, Norway, July 2007.
• FIR Linear Relay Network with Frequency Selective Channels
  T. J. Oechtering, B. Schubert, and H. Boche, Proc. IEEE Intern. Conf. on Communications (ICC '06), vol. 9, Istanbul, Turkey, June 2006, pp. 4065-4070.
• Optimal Resource Allocation for a Bidirectional Regenerative Half-duplex Relaying
  T. J. Oechtering and H. Boche, Proc. IEEE International Symposium on Information Theory and its Applications (ISITA '06), Seoul, Korea, Nov. 2006, pp. 528-533.
• Stability Region of an Efficient Bidirectional Regenerative Half-duplex Relaying Protocol
  T. J. Oechtering and H. Boche, Proc. IEEE Information Theory Workshop (ITW '06), Chengdu, China, Oct. 2006, pp. 380-384.
• Performance Analysis of Combining Techniques with Correlated Diversity
  E. A. Jorswieck, T. J. Oechtering, and H. Boche, Proc. IEEE Wireless Communications and Networking Conference (WCNC '05), vol. 2, New Orleans, USA, Mar. 2005, pp. 849-854.
• Capacity of a Gaussian FIR Linear Relay Network
  T. J. Oechtering and H. Boche, Proc. WirelessCom 2005, Maui, Hawaii, USA , June 2005.
• A new Cooperative Transmission Scheme using the Space-Time Delay Code
  T. J. Oechtering and A. Sezgin, Proc. ITG Workshop on Smart Antennas, Munich, Germany, Mar. 2004.
• On the Outage Probability of Quasi-Orthogonal Space-Time Codes
  A. Sezgin and T. J. Oechtering, Proc. IEEE Information Theory Workshop (ITW '04), San Antonio, Texas, Oct. 2004.
• A new resource efficient transmission scheme for Cooperative Systems
  A. Sezgin and T. J. Oechtering, Proc. IEEE Intern. Workshop on Signal Processing Advances for Wireless Communications (SPAWC '04), Lisboa, Portugal, July 2004.
• Antenna Selection with Capacity-Approaching Space-Time Block Codes
  A. Sezgin and T. J. Oechtering, Proc. IEEE Asilomar Conf. on Signals, Systems, and Computers, Pacific Grove, CA, USA, Nov. 2004.
• Optimality Range of Transmission over Different Terminals in Cooperative Multiantenna Systems
  T. J. Oechtering and H. Boche, Proc. IEEE Intern. Conf. on Acoustics Speech and Signal Processing (ICASSP '03), vol. 4, Hong Kong, Apr. 2003, pp. 365-368.
• On the Capacity of a Distributed Multiantenna System using Cooperative Transmitters
  T. J. Oechtering and H. Boche, Proc. 57th IEEE Semiannual Vehicular Techn. Conf. (VTC '03), vol. 1, Jeju, Korea, Apr. 2003, pp. 75-79.