Beijing University of Posts and Telecommunications

Displaying 81-81 of 81 results

  • White Papers // Jun 2009

    New Birthday Attacks on Some MACs Based on Block Ciphers

    Message Authentication Code (MAC) is a fixed length information used to en-sure data integrity and authenticity, and is widely used in network and security protocols, such as IPSec, SNMP, and SSL/TLS. This paper develops several new techniques of cryptanalyzing MACs based on block ciphers, and is divided into two parts....

    Provided By Beijing University of Posts and Telecommunications

  • White Papers // Nov 2014

    Training Design and Channel Estimation in Uplink Cloud Radio Access Networks

    Cloud Radio Access Networks (C-RANs) have received considerable research interest as one of the most promising solutions to mitigate interference, fulfill energy efficiency demands and support high-rate transmission in the fifth generation cellular network. To decrease the training overhead and improve the channel estimation accuracy under time-varying environments in uplink...

    Provided By Beijing University of Posts and Telecommunications