Abstract
In the Long Term Evolution-Advanced (LTE-A) systems, coordinated Multi-Point (CoMP) transmission/reception technology is widely used to improve cell-edge throughput and system throughput. With the introduction of CoMP technology, handover scenes have changed and traditional handover algorithms are no longer able to meet the requirements of current handover scenes. Different from traditional CoMP handover trigger mechanism, we adopt the event based handover trigger mechanism to update the CoMP coordinating set (CCS) and transmission points (CTP). Furthermore, under the constraints of the reference signal received power (RSRP) and the load of the base stations (BSs), we propose the cycle selection algorithm to choose CCS and CTP based on the radial velocity and SINR. Simulation results show that the proposed handover algorithm can effectively reduce the total number of handover, system delay and signaling overhead in the practical CoMP system.
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This work was supported by the National Natural Science Foundation of China under Grant No. 61372117.
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© 2018 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Xi, D., Liu, M., Teng, Y., Song, M. (2018). Radial Velocity Based CoMP Handover Algorithm in LTE-A System. In: Chen, Q., Meng, W., Zhao, L. (eds) Communications and Networking. ChinaCom 2016. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 210. Springer, Cham. https://doi.org/10.1007/978-3-319-66628-0_38
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DOI: https://doi.org/10.1007/978-3-319-66628-0_38
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