Sciweavers

1176 search results - page 68 / 236
» iccs 2007
Sort
View
ICC
2007
IEEE
175views Communications» more  ICC 2007»
15 years 5 months ago
Adaptive Range-Based Power Control for Collision Avoidance in Wireless Ad Hoc Networks
—The paper analyzes the relationships among the transmission range, carrier sensing range, and interference range in case that power control is adopted and proposes an adaptive r...
Kuei-Ping Shih, Yen-Da Chen, Chau-Chieh Chang
54
Voted
ICC
2007
IEEE
15 years 5 months ago
Optimal Constellation for General Rectangular PAM/QAM with Arbitrary Code Mapping
Abstract— Recently the exact expression for the BER of rectangular QAM with arbitrary code mapping was obtained [1]. It is then natural to ask for the optimal constellation desig...
Ning Wei, Yi Wan
ICC
2007
IEEE
15 years 5 months ago
Optimizing Power Allocation and Matching of Cooperative Diversity Systems
— In this paper, we study how to appropriately match users for two-user cooperative diversity systems that deploy optimal power allocation for an amplify and forward or a regener...
Veluppillai Mahinthan, Lin Cai, Jon W. Mark, Xuemi...
ICC
2007
IEEE
119views Communications» more  ICC 2007»
15 years 5 months ago
Performance Analysis of a Network-Based Protocol for Localized IP Mobility Management
— In this paper a new protocol for IP mobility management is described, which follows a network-based approach and fulfils the requirements of optimized usage of radio spectrum a...
Ivano Guardini, Gerardo Giaretta, Francesco Miconi
ICC
2007
IEEE
112views Communications» more  ICC 2007»
15 years 5 months ago
Algebraic Constructions of Space-Frequency Codes
— Recently an algebraic construction of (nt × Q) space-frequency (SF) codes over finite field Fq was proposed for use in MIMO-OFDM systems, where nt is the number of transmit ...
Mao-Ching Chiu, Hsiao-feng Lu