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» Delay Spread Estimation for Wireless Communication Systems
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ICC
2007
IEEE
149views Communications» more  ICC 2007»
14 years 3 months ago
Synchronization Signal Design for OFDM Based On Time-Frequency Hopping Patterns
— In an OFDM system, channel estimation can be considered as sampling the time-frequency response of the channel through a number of known pilot symbols placed across the time-fr...
Jiann-Ching Guey
COLCOM
2005
IEEE
14 years 2 months ago
Location assisted routing for near-far effect mitigation in wireless networks
CDMA technology represents an attractive choice for various wireless ad hoc networks applications, due to its appealing properties, such as resistance to jamming and interference,...
Hassan Mahmood, Cristina Comaniciu
INFOCOM
2005
IEEE
14 years 2 months ago
A beacon-less location discovery scheme for wireless sensor networks
— In wireless sensor networks (WSNs), sensor location plays a critical role in many applications. Having a GPS receiver on every sensor node is costly. In the past, a number of l...
Lei Fang, Wenliang Du, Peng Ning
BROADNETS
2004
IEEE
14 years 19 days ago
The Effects of the Sub-Carrier Grouping on Multi-Carrier Channel Aware Scheduling
Channel-aware scheduling and link adaptation (LA) methods are widely considered to be crucial for realizing high data rates in wireless networks. Multi-carrier systems that spread...
Fanchun Jin, Gokhan Sahin, Amrinder Arora, Hyeong-...
INFOCOM
2009
IEEE
14 years 3 months ago
Distributed Opportunistic Scheduling With Two-Level Channel Probing
Distributed opportunistic scheduling (DOS) is studied for wireless ad-hoc networks in which many links contend for the channel using random access before data transmissions. Simpl...
P. S. Chandrashekhar Thejaswi, Junshan Zhang, Man-...