## 3 System Model
### Intra-Cluster Communication Session
In Proceedings of the First IEEE 2003 IEEE International Workshop on Sensor Network Protocols and Applications, Anchorage, AK, USA, 11 May 2003; pp. 1-8. * [PERSON] et al. (2007) [PERSON]; [PERSON]; [PERSON] [PERSON] A cluster-based power-efficient MAC scheme for event-driven sensing applications. _Ad Hoc Netw._**2007**, \(5\), 1017-1030. * [PERSON] and [PERSON] (2011) [PERSON]; [PERSON] Adaptive time division multiple access-based medium access control protocol for energy conserving and data transmission in wireless sensor networks. _IET Commun._**2011**, \(5\), 2662-2672. * [PERSON] et al. (2007) [PERSON]; [PERSON]; [PERSON]; [PERSON] Performance analysis of two relay selection schemes for cooperative diversity. In Proceedings of the IEEE 18 th International Symposium on Personal, Indoor and Mobile Radio Communications PIMRC, Athens, Greece, 3-7 September 2007; pp. 1-5. * Kong (2011) Kong, H.Y. Multi-relay cooperative diversity protocol with improved spectral efficiency. _J. Commun. Netw._**2011**, _13_, 240-249. * [PERSON] et al. (2011) [PERSON]; [PERSON]; [PERSON] An energy-efficient cooperative MAC protocol with piggybacking for wireless sensor networks. In Proceedings of the 2011 International Conference on Wireless Communications and Signal Processing (WCSP), Nanjing, China, 9-11 November 2011; pp. 1-5. * [PERSON] et al. (2009) [PERSON]; [PERSON]; [PERSON]; [PERSON] Lifetime maximization via a new cooperative MAC protocol in wireless sensor networks. In Proceedings of the IEEE Global Telecommunications Conference, GLOBECOM, Honolulu, HI, USA, 30 November-4 December 2009; pp. 1-6. * [PERSON] [PERSON] (2007) [PERSON]; [PERSON] [PERSON] A CSI estimation method for wireless relay network. _IEEE Commun. Lett._**2007**, _11_, 480-482. * [PERSON] and [PERSON] (2009) [PERSON]; [PERSON] Error control in wireless sensor networks: A cross layer analysis. _IEEE/ACM Trans. Netw._**2009**, _17_, 1186-1199. * [PERSON] and [PERSON] (2011) [PERSON]; [PERSON] Performance analysis of incremental-relaying cooperative-diversity networks over Rayleigh fading channels. _IET Commun._**2011**, \(5\), 337-349. * [PERSON] and [PERSON] (2013) [PERSON]; [PERSON] Queuing analysis of distributed and receiver-oriented sensor networks: Distributed DS-CDMA-based medium access control protocol for wireless sensor networks. _IET Wirel. Sens. Syst._**2013**, \(3\), 69-79. * [PERSON] and [PERSON] (2007) [PERSON]; [PERSON] A novel proportional fair scheduling algorithm for HSDPA in UMTS networks. In Proceedings of the 2 nd International Conference on Wireless Broadband and Ultra Wideband Communications (AusWireless 2007), Sydney, Australia, 27-30 August 2007; p. 43. * (20) [PERSON]; [PERSON] Finite-state Markov model for Rayleigh fading channels. _IEEE Trans. Commun._**1999**, _47_, 1688-1692. * (21) [PERSON] Stochastic models for ATM switching networks. _IEEE Sel. Areas Commun._**1991**, \(9\), 450-457. * (22) [PERSON] _Traffic System Design Handbook: Timesaving Telecommunication Traffic Tables and Programs_; Wiley-IEEE Press: Piscataway, NJ, USA, 1993. * (23) [PERSON]; [PERSON] Energy Aware Node Selection for Cluster-Based Data Accuracy Estimation in Wireless Sensor Networks. _Int. J. Adv. Netw. Appl._**2012**, \(3\), 1311. * (24) [PERSON]; [PERSON] Modeling and Performance Analysis for Duty-Cycled MAC Protocols with Applications to S-MAC and X-MAC. _IEEE Trans. Mob. Comput._**2012**, _11_, 905-921. * (25) [PERSON] _Probability, Random Variables, and Random Processes: Theory and Signal Processing Applications_; John Wiley & Sons: Hoboken, NJ, USA, 2012. * (26) [PERSON]; [PERSON]; [PERSON] Data gathering algorithms in sensor networks using energy metrics. _IEEE Trans. Parallel Distrib. Syst._**2002**, _13_, 924-935. * (27) [PERSON]; [PERSON]; [PERSON]; [PERSON] An energy-efficient MAC protocol using dynamic queue management for delay-tolerant mobile sensor networks. _Sensors_**2011**, _11_, 1847-1864. * (28) [PERSON]; [PERSON]; [PERSON] On balancing energy consumption in wireless sensor networks. _IEEE Trans. Veh. Technol._**2009**, _58_, 2909-2924.