Most viewed questions under tag phy

0 votes

1 answer

LTE: What parameter gets impacted when sub-carrier spacing is changed in LTE ?

posted Oct 20, 2016 by Rupam

+1 vote

1 answer

How to calculate Resources blocks for a given 20 MHZ Bandwidth?

posted Feb 8, 2019 by Gnanendra Reddy

0 votes

1 answer

LTE: Why eNodeB scramble MIB information with antenna specific mask before broadcasting over the air ?

posted Sep 26, 2016 by Rupam

+2 votes

1 answer

LTE: Which modulation and coding schemes are used for data transmission of MTCH ?

posted Nov 2, 2016 by Rupam

+1 vote

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How many Symbols are used for PUSCH in a SRS subframe per subcarrier, including multiplexed CQI.

posted Dec 15, 2014 by Sridharan P

+3 votes

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What is the CRC length for CFICH and PHICH respectively?

posted Dec 9, 2014 by Sridharan P

+1 vote

1 answer

What are the main factors in calculation of Power for PUSCH?

posted Dec 9, 2014 by Sridharan P

+1 vote

1 answer

LTE: Why PUCCH resources are reserved at both the end of system bandwidth ?

posted Oct 10, 2016 by Vikram Singh

+1 vote

2 answers

LTE: In ideal condition, how many random access preambles can be decoded successfully at the eNodeB ?

posted Aug 27, 2016 by Ganesh

+3 votes

1 answer

How to get BW , SFN, PHICH related information from decoded(40 bit) PBCH frame?

posted Sep 8, 2016 by Shruti Pujari

+2 votes

1 answer

LTE: Why radio sub frame is 1 ms long ? Is it possible to bring the sub frame duration in the unit of microseconds ?

posted Jun 6, 2017 by Harshita

+2 votes

0 answers

LTE PHY: Does the reference signal position fixed or it varies based on the deployment ?

posted Jun 12, 2014 by Neelam

+3 votes

1 answer

What are the data transport services of the Physical Layer in LTE ?

posted Mar 26, 2014 by Ankur Athari

+1 vote

1 answer

Can we have different MCS scheme per PRB instead of Group of PRBs in case of sub band CQI report?

posted Mar 10, 2019 by Gnanendra Reddy

+5 votes

0 answers

What is a preamble format? How many types are there? Explain when which type of format is suitable?

posted Dec 6, 2014 by Sridharan P

0 votes

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What are the advantages and disadvantages of Single code word and multi code word?

posted Mar 9, 2019 by Gnanendra Reddy

+3 votes

1 answer

LTE: What is transmit diversity and what are the advantages of having it in LTE technology ?

posted Apr 9, 2016 by Harshita

+1 vote

1 answer

If for single layer TBS size is "X", will the TBS size be n.X for n layers? Why?

posted Dec 12, 2014 by Sridharan P

+1 vote

1 answer

For what scenario the operator, choose different TDD frame configuration(0,1,2,3,4,5,6,7)?. Please specify separately.

posted Jan 29, 2016 by Karthik

+3 votes

1 answer

Which are the Physical signals sent in DCI?

posted Dec 8, 2014 by Sridharan P

+2 votes

1 answer

LTE: Why only PHICH not other channels are transmitted in the Master Information Block ?

posted Jul 25, 2018 by Vikram Singh

+2 votes

0 answers

What is layer mapping in context of LTE?

posted Sep 16, 2016 by Sneha Maganahalli

+4 votes

0 answers

What are the parameters defining the TBS size?

posted Dec 9, 2014 by Sridharan P

+3 votes

0 answers

LTE: What is CDD (Cyclic delay diversity) ?

posted Nov 12, 2013 by Vikram Singh

+2 votes

0 answers

What is the smallest and biggest segment size for Encoding ?

posted Dec 9, 2014 by Sridharan P

+2 votes

1 answer

How Wi-Max OFDMA physical layer works?

posted May 22, 2014 by Aman

0 votes

0 answers

5G: How filter OFDM (F-OFDM) is different from cyclic prefix OFDM (CP-OFDM) ?

posted Mar 7, 2018 by Vikram Singh

+2 votes

1 answer

Do LTE physical layer need to use a SVD decomposition in case 4×4 antena structure.

posted Jun 17, 2014 by Mohammad

0 votes

1 answer

What is the functionality of LTE physical layer ?

posted Mar 21, 2015 by Alok

+2 votes

1 answer

LTE: What all configurations at the eNodeB can lead to less throughput at the cell edge ?

posted Aug 26, 2016 by Harshita

+2 votes

1 answer

In FDD, the UL and DL frame timing is slightly skewed in time and who is earlier by how much?

posted Dec 11, 2014 by Sridharan P

0 votes

1 answer

If the TA is 25 in the RAR, what is the TA adjustment required in microseconds?

posted Dec 10, 2014 by Sridharan P

+1 vote

0 answers

For Turbo coding rate matching, data block is to be spread in how many columns?

posted Dec 15, 2014 by Sridharan P

+2 votes

1 answer

what are the control information interleaved together with PUSCH?

posted Dec 9, 2014 by Sridharan P

+2 votes

1 answer

Which are the Physical signals sent in UCI?

posted Dec 8, 2014 by Sridharan P

+2 votes

0 answers

For a buffer of length 6140 from MAC (TTI), what is the number of segments? Why?

posted Dec 11, 2014 by Sridharan P

+1 vote

0 answers

LTE: Is there any role of MBSFN Area ID in the generation of MBMS RS (MBMS Reference Signal) sequence ?

posted Nov 5, 2016 by Harshita

+1 vote

0 answers

How LTE downlink physical channel processing works?

posted Aug 23, 2016 by Gnanendra Reddy

+1 vote

1 answer

Basic difference between Amplitude Modulation and Frequency Modulation ?

posted May 27, 2015 by Harshita

+2 votes

1 answer

After how many 10ms frames the channel can be estimated? What would be the approach ?

posted Jun 17, 2014 by Balwinder

+1 vote

0 answers

LTE : Does the physical channels configuration may change at run time ?

posted Jul 21, 2014 by Harshita

+1 vote

0 answers

What are the parameters defining the TBS size?

posted Dec 10, 2014 by Sridharan P

+2 votes

0 answers

Is transmit diversity available in NR?

posted Mar 13, 2018 by Jaganathan

+5 votes

1 answer

LTE:What are time-dispersive channels ?

posted Oct 30, 2013 by Ganesh Kumar

+2 votes

0 answers

What are the 4 configurations of CCE?

posted Dec 9, 2014 by Sridharan P

+2 votes

1 answer

what are the values transmitted as CSI?

posted Dec 6, 2014 by Sridharan P

0 votes

1 answer

What does the parameter p-a represent in PDSCH config ?

posted Dec 15, 2014 by anonymous

+6 votes

1 answer

LTE: When UE gets time-synchronized with cell ?

posted Feb 4, 2014 by Harshita

+4 votes

0 answers

which channel case BitRepeatationCoding is used?

posted Dec 8, 2014 by Sridharan P