Title :
Sum power iterative waterfilling for Gaussian vector broadcast channels
Author :
Vishwanath, Sriram ; Rhee, Woogeun ; Jindal, Nihar ; Jafar, Syed ; Goldsmith, Andrea
Author_Institution :
Dept. of Electr. Eng., Stanford Univ., CA, USA
fDate :
29 June-4 July 2003
Abstract :
An efficient algorithm for computing the sum capacity of vector broadcast channel is obtained in this paper. This algorithm utilizes the duality between broadcast and multiple access channels and the Kuhn-Tucker conditions of sum power multiple access channel.
Keywords :
Gaussian channels; antenna arrays; broadcast channels; covariance matrices; iterative methods; Gaussian vector broadcast channel; Kuhn-Tucker condition; multiple access channel; sum power iterative waterfilling; Additive noise; Broadcasting; Convergence; Covariance matrix; Equations; Gaussian noise; Iterative algorithms; Power engineering computing; Throughput; Transmitters;
Conference_Titel :
Information Theory, 2003. Proceedings. IEEE International Symposium on
Print_ISBN :
0-7803-7728-1
DOI :
10.1109/ISIT.2003.1228484
