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CN
2002
102views more  CN 2002»
13 years 8 months ago
On the impact of soft handoff in cellular systems
We present a model for soft handoff in wireless cellular networks. In such networks, due to overlapping cells, handoffs are not instantaneous and multiple channels may be occupied...
Nidhi Hegde, Khosrow Sohraby
GLOBECOM
2006
IEEE
14 years 2 months ago
User-Aided Adaptive TDMA for Real-Time Services in an OFDM Based Cellular System
—In this paper, a user-aided adaptive TDMA (UAAT) algorithm is developed for real-time services to improve the system efficiency of OFDM based cellular networks. In the UAAT sche...
Changqin Huo, Abu B. Sesay, Abraham O. Fapojuwo
GLOBECOM
2009
IEEE
13 years 6 months ago
Secure Unified Cellular Ad Hoc Network Routing
Abstract--Previous simulations have shown substantial performance gains can be achieved by using hybrid cellular and wireless LAN (WLAN) approaches [1]. In a hybrid system, a proxy...
Jason J. Haas, Yih-Chun Hu
PE
2007
Springer
97views Optimization» more  PE 2007»
13 years 8 months ago
On processor sharing and its applications to cellular data network provisioning
To develop simple traffic engineering rules for the downlink of a cellular system using Proportional Fairness (PF) scheduling, we study the “strict” and “approximate” ins...
Yujing Wu, Carey L. Williamson, Jingxiang Luo
IWCMC
2006
ACM
14 years 2 months ago
Uplink capacity comparison of non-perfect frequency synchronized cellular OFDM systems
Orthogonal frequency division multiplexing (OFDM) is very sensitive to frequency offsets which result in considerable interference. Performance of the system will be exacerbated ...
Shameem Kabir Chaudhury, Hrishikesh Venkataraman, ...