TY - GEN
T1 - Log-convexity of minimal feasible total power in CDMA channels
AU - Boche, Holger
AU - Stańczak, Sławomir
PY - 2003
Y1 - 2003
N2 - Power control is an important mechanism for interference management in CDMA channels. When developing power control strategies, CDMA system designers need to ensure that each user meets its signal-to-interference ratio (SIR) requirement. The minimal total power at which each user meets its SIR requirement is called the minimal feasible total power (MFTP). This paper shows that MFTP is a log-convex function on the set of feasible inverse SIR requirements. This implies that the set of feasible inverse SIR requirements is a convex set.
AB - Power control is an important mechanism for interference management in CDMA channels. When developing power control strategies, CDMA system designers need to ensure that each user meets its signal-to-interference ratio (SIR) requirement. The minimal total power at which each user meets its SIR requirement is called the minimal feasible total power (MFTP). This paper shows that MFTP is a log-convex function on the set of feasible inverse SIR requirements. This implies that the set of feasible inverse SIR requirements is a convex set.
UR - http://www.scopus.com/inward/record.url?scp=11844266771&partnerID=8YFLogxK
U2 - 10.1109/PIMRC.2003.1260354
DO - 10.1109/PIMRC.2003.1260354
M3 - Conference contribution
AN - SCOPUS:11844266771
SN - 0780378229
SN - 9780780378223
T3 - IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
SP - 1456
EP - 1460
BT - PIMRC2003 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, Proceedings
T2 - 14th IEEE 2003 International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC2003
Y2 - 7 September 2003 through 10 September 2003
ER -