1. Wireless sensor network localization techniques;Mao;Computer Networks,2007
2. Ad hoc positioning system (APS);Niculescu;IEEE Global Telecommunications Conference Globecom,2001
3. Range-free localization using expected hop progress in wireless sensor networks;Wang;IEEE Transactions on Parallel and Distributed Systems,2009
4. Density-aware hop count localization (DHL) in wireless sensor networks with variable density;Wong;IEEE Wireless Communications and Networking Conference,2005
5. Chipcon CC2420 2.4 Ghz IEEE 802.15.4/ZigBee-ready RF transceiver data sheet (rev. 1.3) http://www.chipcon.com