Abstract
In order to meet the growing demand for traffic, in the next generation (5G) mobile communication network, the network densification is adopted to achieve greater spatial spectral utilization rate. Thus it can improve the overall network capacity. However, the network densification brings a series of challenges, especially for the mobility management in UDN. The dense deployment of base station (BS) makes the handover (HO) rate too high, which in turn leads to too much HO signaling delay and cost. Thus it may offset the throughput gain that benefit from intensive. In order to solve this problem, this paper proposed a cooperative Skip HO scheme based on estimated dwell time. In this scenario, when the predicted dwell time is less than the threshold, a skip HO will be triggered to enter the cooperative transmission phase. Moreover, in this paper, the method of stochastic geometry was used to derive the triggering probability of the skip handover, the outage probability of the entire network, and the average user throughput. The simulation results show that the proposed method has improved the throughput performance compared with the traditional best connection method and the alternate skip handover method proposed in other literatures.
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Acknowledgment
This work described in this paper was supported by the National Science and Technology Major Project of the Ministry of Science and Technology of China (Grant No. 2016ZX03001009-003).
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Yan, H., Chuai, G., Gao, W. (2019). A Cooperative Skip HO Scheme Based on Dwell-Time in Dense Small Cell Networks. In: Liang, Q., Mu, J., Jia, M., Wang, W., Feng, X., Zhang, B. (eds) Communications, Signal Processing, and Systems. CSPS 2017. Lecture Notes in Electrical Engineering, vol 463. Springer, Singapore. https://doi.org/10.1007/978-981-10-6571-2_45
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DOI: https://doi.org/10.1007/978-981-10-6571-2_45
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