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IEICE TRANSACTIONS on Communications

Time Synchronization Technique for Mobile Base Stations over TDM-PON-Based Mobile Backhaul Using Precision Time Protocol

Kazuki TANAKA, Naoya NISHI, Ryo INOHARA, Kosuke NISHIMURA

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Summary :

We propose a time synchronization technique for mobile base stations (BSs) by distributing the reference time information from one optical network unit (ONU) to the BSs under different ONUs over Time Division Multiplexing Passive Optical Network (TDM-PON) using common Precision Time Protocol (PTP). The time accuracy, long term time stability and time source switchover functionality for redundancy are confirmed by experimental verification. Furthermore, an interoperability test between a 10G-EPON prototype in which the proposed protocol is implemented and a commercial Time Division Long Term Evolution (TD-LTE) BS is successfully demonstrated obtaining time error within 119ns, which is much less than the criterion value of 1.5µs, for 60 hours.

Publication
IEICE TRANSACTIONS on Communications Vol.E101-B No.4 pp.979-986
Publication Date
2018/04/01
Publicized
2017/10/18
Online ISSN
1745-1345
DOI
10.1587/transcom.2017OAP0004
Type of Manuscript
Special Section PAPER (Special Section on Optical Access System for Social Life)
Category

Authors

Kazuki TANAKA
  KDDI Research, Inc.
Naoya NISHI
  KDDI Research, Inc.
Ryo INOHARA
  KDDI Research, Inc.
Kosuke NISHIMURA
  KDDI Research, Inc.

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