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LTE: What is the Length of Primary Synchronization signals and Secondary Synchronization Signals (Downlink)?

+9 votes
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LTE: What is the Length of Primary Synchronization signals and Secondary Synchronization Signals (Downlink)?
posted Mar 28, 2014 by Hiteshwar Thakur

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1 Answer

+2 votes

Hi Hiteshwar,

As i know:
The length of both P-SS and S-SS is 62 Resource Elements.
P-SS consists of Zadoff-Chu complex samples.
S-SS consists of BPSK symbols.
P-SS sequence is transmitted within a single OFDMA symbol and so the S-SS sequence.

I hope this is what you have asked.

answer Mar 29, 2014 by Kuldeep Apte
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An UE configured for carrier aggregation, may have different radio channel conditions for primary and secondary cells.
I meant to say, primary cell may have strong signal strength at the same time UE may observed secondary cell(s) not too good.
In this case, does the same modulation and coding schemes used for primary and secondary or may use different coding and modulation schemes for different channels for the same sub frame?

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