Blind interference alignment for private information retrieval

Jump to other IT Society Websites:

Blind interference alignment for private information retrieval

Author(s):

Creation Date: Jul 10, 2016

Published In: Jul 2016

Paper Type: Conference Paper

Book Title: Proceedings of the 2016 IEEE International Symposium on Information Theory

Address: Barcelona, Spain

Abstract:

Blind interference alignment (BIA) refers to interference alignment schemes that are designed only based on channel coherence pattern knowledge at the transmitters (the “blind” transmitters do not know the exact channel values). Private information retrieval (PIR) refers to the problem where a user retrieves one out of K messages from N non-communicating databases (each holds all K messages) without revealing anything about the identity of the desired message index to any individual database. In this paper, we identify an intriguing connection between PIR and BIA. Inspired by this connection, we characterize the information theoretic optimal download cost of PIR, when we have K = 2 messages and the number of databases, N, is arbitrary.

IEEE Explore link: http://ieeexplore.ieee.org/document/7541361/

Award(s) Received:
Latest News
IEEE TV Profiles and Interviews
The First Workshop on the Age of Information - Call For Papers
ITSoc BoG contribution for newsletter

Upcoming Events

NSF Workshop on Low-Latency Wireless Random-Access at MIT
02-03 Nov 2017 | MIT Grier Room 34-401, 50 Vassar Street, Cambridge, MA, USA
2017 IEEE Information Theory Workshop
06-10 Nov 2017 | Kaohsiung Exhibition Center, Kaohsiung, Taiwan
Fano Memorial in Turin
10 Nov 2017 | Turin, Salone d'onore del Castello del Valentino.