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Method and device for detecting uplink synchronization signal in each step in wireless access system supporting high frequency band

  • US 9,680,682 B2
  • Filed: 08/29/2014
  • Issued: 06/13/2017
  • Est. Priority Date: 08/29/2013
  • Status: Active Grant
First Claim
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1. A method for detecting a Random Access Channel (RACH) signal by a base station in a wireless access system supporting a high frequency band, the method comprising:

  • allocating cyclic shift values used in the base station;

    configuring a received signal vector for signals transmitted on a RACH;

    deriving cyclic shift candidates whose correlation value between the received signal vector and a first detection filter is equal to or larger than a reference value, wherein the first detection filter corresponds to a filter on which a single effective channel is assumed; and

    detecting a RACH signal using a second detection filter, corresponding to a filter on which multiple effective channels are assumed, within the cyclic shift candidates,wherein the first detection filter and the second detection filter are configured based on the cyclic shift values.

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