Abstract
Machine type communications (MTC) or machine-to-machine (M2M) services become one of the drivers towards 5th generation (5G) wireless network. Various MTC devices such as smart meters and sensors form the basis of smart cites and homes. The question is how to efficiently transmit the information from MTC devices via a wireless network, which is primarily used for human-to-human (H2H) communications. Nevertheless, one of the important qualities of service (QoS) measure is still blocking probability. In the simplest case, the Erlang B formula is used to calculate the blocking probability. A more precise value can be obtained considering the MTC devices positons within a cell and applied radio resource management (RRM) mechanisms. First of all, it is expressed in the distances from the devices to eNodeB. In the paper, following the approach of including the stochastic distance in the queuing system, we propose formulas for calculating stationary probability distribution in product form considering a channel quality indicator (CQI) reported by MTC devices. Two RRM schedulers working according to the round robin policy (RRP) and full power policy (FPP) are considered. The former assumes full occupation of a time frame by all MTC devices and a variable devices’ power such that to achieve a needed uplink bit rate. The latter assumes a constant power and variable time frame occupation.
Keywords
- Wireless network
- LTE
- Machine-to-machine
- M2M devices
- Channel quality indicator
- CQI
- Round robin
- Full power
- Queuing system
- Erlang B formula
- Stochastic distance
- Blocking probability
The reported study was funded by RFBR and Moscow City Government according to the research project No. 15-37-70016 mol_a_mos, and by RFBR according to the research project No. 15-07-00766 a, and the Ministry of Education and Science of the Russian Federation (President’s Scholarship No. 2987.2016.5).
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Samouylov, K., Gudkova, I., Markova, E., Dzantiev, I. (2016). On Analyzing the Blocking Probability of M2M Transmissions for a CQI-Based RRM Scheme Model in 3GPP LTE. In: Dudin, A., Gortsev, A., Nazarov, A., Yakupov, R. (eds) Information Technologies and Mathematical Modelling - Queueing Theory and Applications. ITMM 2016. Communications in Computer and Information Science, vol 638. Springer, Cham. https://doi.org/10.1007/978-3-319-44615-8_29
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DOI: https://doi.org/10.1007/978-3-319-44615-8_29
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