TY - GEN
T1 - Resource allocation for the downlink of OFDMA cellular networks and optimization of the reuse factor
AU - Ksairi, Nassar
AU - Bianchi, Pascal
AU - Ciblat, Philippe
AU - Hachem, Walid
PY - 2008/12/1
Y1 - 2008/12/1
N2 - In this paper, we investigate the issue of power control and sub-carrier assignment in a downlink OFDMA system. We assume that a certain part of the available bandwidth is likely to be reused by the different base stations (and is thus subject to multicell interference) and that the other part of the bandwidth is shared in an orthogonal way between them (and is thus protected from multicell interference). Although this problem of multicell resource allocation is non-convex, we provide, in the limit of large number of users, the general form of its global solution. As a byproduct, we characterize the optimal value of the frequency reuse factor.
AB - In this paper, we investigate the issue of power control and sub-carrier assignment in a downlink OFDMA system. We assume that a certain part of the available bandwidth is likely to be reused by the different base stations (and is thus subject to multicell interference) and that the other part of the bandwidth is shared in an orthogonal way between them (and is thus protected from multicell interference). Although this problem of multicell resource allocation is non-convex, we provide, in the limit of large number of users, the general form of its global solution. As a byproduct, we characterize the optimal value of the frequency reuse factor.
U2 - 10.1109/ISITA.2008.4895402
DO - 10.1109/ISITA.2008.4895402
M3 - Conference contribution
AN - SCOPUS:77951146917
SN - 9781424420698
T3 - 2008 International Symposium on Information Theory and its Applications, ISITA2008
BT - 2008 International Symposium on Information Theory and its Applications, ISITA2008
T2 - 2008 International Symposium on Information Theory and its Applications, ISITA2008
Y2 - 7 December 2008 through 10 December 2008
ER -