publication . Conference object . 2017

Enhanced Random Access: Initial Access Load Balance in Highly Dense LTE-A Networks for Multiservice Traffic

Mohammad Istiak Hossain; Amin Azari; Jan Markendahl; Jens Zander;
Open Access
  • Published: 31 Aug 2017
Abstract
The Random Access (RA) procedure in cellular networks is not capable of functioning properly during high access load conditions. For this purpose, overload control mechanisms are needed. Most proposed mechanisms in the literature offer a tradeoff between the allowed access rate and experienced delay. However, when the maximal tolerated delay and the energy spent on retransmissions are tightly bounded, the very high access rate targeted for 5G systems cannot be achieved. For these situations, we propose the Delay Estimation based RA (DERA)-scheme that has the potential to meet very stringent reliability requirements, even in high access load conditions. The prese...
Subjects
free text keywords: Random access, PRACH, 5G, Machine to machine communications, Propagation delay, contention.
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Conference object . 2017
Provider: ZENODO
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