Abstract
To provide ubiquitous coverage, it is essential to ensure that cellular users are able to access the service as they move across the network coverage area. While the LTE radio interface is optimized to support low-to-medium mobility scenarios, it can also support very high-speed users. At the same time, the higher layer protocols must also be able to handle UE mobility by finding an appropriate serving cell, which offers the best radio link condition for a moving UE such that the ongoing application sessions are not disturbed and the desired QoS is also maintained.
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- 1.
The data and signaling messages between MAC and PHY layer are communicated via transport channels.
- 2.
The data and signaling messages between different PHY layers are communicated via physical channels.
- 3.
S1 is the interface between eNB and MME, and between eNB and S-GW.
- 4.
In addition, the parameters used to control intra/inter-frequency and inter-RAT cell reselection are communicated via SIB3-SIB8 messages.
- 5.
M2M device maybe a sensor for recording temperature, location, movement etc. These sensors have a Subscriber Identity Module (SIM) card to ensure data connectivity with a centralized M2M server.
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© 2017 Springer Nature Singapore Pte Ltd.
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Karandikar, A., Akhtar, N., Mehta, M. (2017). Mobility Management in LTE Networks. In: Mobility Management in LTE Heterogeneous Networks. Springer, Singapore. https://doi.org/10.1007/978-981-10-4355-0_2
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DOI: https://doi.org/10.1007/978-981-10-4355-0_2
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Online ISBN: 978-981-10-4355-0
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