Information capacity and power control in single-cell multiuser communications

@inproceedings{citeulike:1119260, abstract = {We consider a power control scheme for maximizing the information capacity of the uplink in single-cell multiuser communications with frequency-flat fading, under the assumption that the users attenuations are measured perfectly. Its main characteristics are that only one user transmits over the entire bandwidth at any particular time instant and that the users are allocated more power when their channels are good, and less when they are bad. Moreover, these features are independent of the statistics of the fading. Numerical results are presented for the case of single-path Rayleigh fading. We show that an increase in capacity over a perfectly-power controlled (Gaussian) channel can be achieved, especially if the number of users is large. By examining the bit error-rate with antipodal signalling, we show the inherent diversity in multiuser communications over fading channels}, author = {Knopp, R. and Humblet, P. A. }, citeulike-article-id = {1119260}, journal = {Communications, 1995. ICC 95 Seattle, Gateway to Globalization, 1995 IEEE International Conference on}, keywords = {diversity, idea, multi-user}, pages = {331--335 vol.1}, posted-at = {2007-06-11 14:28:33}, priority = {2}, title = {Information capacity and power control in single-cell multiuser communications}, url = {http://ieeexplore.ieee.org/xpls/abs\_all.jsp?arnumber=525188}, volume = {1}, year = {1995} }

TY - CONF ID - citeulike:1119260 L3 - citeulike-article-id:1119260 TI - Information capacity and power control in single-cell multiuser communications JF - Communications, 1995. ICC 95 Seattle, Gateway to Globalization, 1995 IEEE International Conference on VL - 1 SP - 331 EP - 335 vol.1 N2 - We consider a power control scheme for maximizing the information capacity of the uplink in single-cell multiuser communications with frequency-flat fading, under the assumption that the users attenuations are measured perfectly. Its main characteristics are that only one user transmits over the entire bandwidth at any particular time instant and that the users are allocated more power when their channels are good, and less when they are bad. Moreover, these features are independent of the statistics of the fading. Numerical results are presented for the case of single-path Rayleigh fading. We show that an increase in capacity over a perfectly-power controlled (Gaussian) channel can be achieved, especially if the number of users is large. By examining the bit error-rate with antipodal signalling, we show the inherent diversity in multiuser communications over fading channels KW - diversity KW - idea KW - multi-user AU - Knopp, R AU - Humblet, PA PY - 1995/// UR - http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=525188 ER -