Patent ID: 8773968
Filing Date: 2014-07-08
Classification: H04J,H04L,H04W

Abstract:
1. Method for transmission of sequences by a user equipment (UE) in wireless networks, comprising: receiving at the UE an indication of a logical index for a first sequence from a base station (eNB), wherein the first sequence belongs to a pre-defined set of sequences; receiving at the UE an indication of an auxiliary parameter from the eNB; producing at the UE a second sequence using the received indication of the logical index of the first sequence and the auxiliary parameter, wherein the second sequence is selected from an ordered group of sequences, and wherein the ordered group of sequences is a proper subset of the pre-defined set of sequences; and producing, at the UE, a preamble signal to be transmitted to the base station (eNB), by modulating the second sequence; wherein each sequence of the pre-defined set of sequences is a Zadoff-Chu (ZC) sequence; wherein each ZC sequence has a unique generating index u; and wherein ordering of the pre-defined set of sequences is made by mapping generating indexes below sequentially to consecutive logical indexes: