Robust hyperbolic σ-δ Based no delay Tanlock loop for wireless communications

Ehab Salahat, Mahmoud Al-Qutayri, Saleh R. Al-Araji

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

This paper presents a new fast locking phase lock loop architecture for frequency synchronization and tracking. The proposed Hyperbolic Σ-Δ No Delay Tanlock Loop (NDTL) has an extended lock-in range and an improved time jitter. The loop has an intentionally introduced hyperbolic nonlinearity, modified Σ-δ blocks, and finite state machine (FSM), to adapt the loop filter, extending the locking range and improving the timing jitter. The proposed hyperbolic NDTL architecture performs well even in wireless communication systems with high Doppler shift (e.g. vehicular communications) that might cause the system to lose stability.

Original languageBritish English
Title of host publication2014 IEEE 80th Vehicular Technology Conference, VTC2014-Fall, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781479944491, 9781479944491
DOIs
StatePublished - 24 Nov 2014
Event80th IEEE Vehicular Technology Conference, VTC 2014-Fall - Vancouver, Canada
Duration: 14 Sep 201417 Sep 2014

Publication series

NameIEEE Vehicular Technology Conference
ISSN (Print)1550-2252

Conference

Conference80th IEEE Vehicular Technology Conference, VTC 2014-Fall
Country/TerritoryCanada
CityVancouver
Period14/09/1417/09/14

Keywords

  • Finite State Machine
  • Lock-in Range; Time Jitter
  • No Delay Tanlock Loop
  • Sigma-Delta
  • Synchronization

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