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1. (WO2018197011) FRAME SYNCHRONIZATION

Pub. No.:    WO/2018/197011    International Application No.:    PCT/EP2017/060243
Publication Date: Fri Nov 02 00:59:59 CET 2018 International Filing Date: Sat Apr 29 01:59:59 CEST 2017
IPC: H04L 7/04
H04J 3/16
Applicants: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Inventors: SANGUINETTI, Davide
PACCHETTI, Roberto
Title: FRAME SYNCHRONIZATION
Abstract:
A method of frame synchronization comprises receiving a stream of bits, the stream comprising a sequence of frames, wherein each frame comprises a frame counter value representing the number of the frame in the sequence, and frame check bits for checking the validity of the frame counter value. The method comprises decoding a first section of bits, and trialling a first portion of the first section of bits as a trial counter value, and a second portion of the first section of bits as trial check bits. The method comprises checking if the trial counter value corresponds to a valid frame counter value using the trial check bits, and synchronizing based on whether the trial counter value is determined to correspond to a valid frame counter value.