Most voted questions under tag phy

+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

1 answer

what are the values transmitted as CSI?

posted Dec 6, 2014 by Sridharan P

+2 votes

1 answer

What is the content of the cyclic prefix ?

posted Dec 4, 2014 by Sridharan P

+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

+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

+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

+2 votes

1 answer

How Wi-Max OFDMA physical layer works?

posted May 22, 2014 by Aman

+2 votes

1 answer

LTE: What is Ultra Extended CP and use of it ?

posted May 1, 2014 by Harshita

+2 votes

1 answer

LTE: How HARQ with soft combining works ?

posted Nov 8, 2013 by Ganesh Kumar

+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

+1 vote

1 answer

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

posted Feb 8, 2019 by Gnanendra Reddy

+1 vote

0 answers

What is layer mapping in LTE?

posted Sep 28, 2017 by Charan Shah

+1 vote

2 answers

why QPSK modulation scheme is used for all control channels in LTE ?

posted May 27, 2017 by anonymous

+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

1 answer

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

posted Oct 10, 2016 by Vikram Singh

+1 vote

1 answer

How UE PHY LAYER performs measurements in LTE?

posted Sep 9, 2016 by Gnanendra Reddy

+1 vote

1 answer

LTE: What is the use of PUCCH de-modulation reference signal (DMRS) which is transmitted along with PUCCH resources ?

posted Aug 30, 2016 by Harshita

+1 vote

1 answer

LTE: What parameters derive number of RBs or sub carriers used PUCCH resources in a subframe ?

posted Aug 30, 2016 by Harshita

+1 vote

1 answer

LTE: On what basis, a UE selects preamble sequence either from group A or B ?

posted Aug 27, 2016 by Ganesh

+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

+1 vote

0 answers

How LTE downlink physical channel processing works?

posted Aug 23, 2016 by Gnanendra Reddy

+1 vote

2 answers

LTE: On what basis either dB or dBm is considered as a measurement unit ?

posted Aug 9, 2016 by Ganesh

+1 vote

1 answer

What is the minimum length of cyclic prefix in OFDM systems

posted Feb 29, 2016 by Shyam Narayan

+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

+1 vote

1 answer

Basic difference between Amplitude Modulation and Frequency Modulation ?

posted May 27, 2015 by Harshita

+1 vote

0 answers

How many users PDCCH can be multiplexed for format 1 and format 2 respectively on the same physical resource?

posted Dec 15, 2014 by Sridharan P

+1 vote

0 answers

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

posted Dec 15, 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

+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

What is the length of preamble sequence in bits and how many RB's are required to send?

posted Dec 11, 2014 by Sridharan P

+1 vote

0 answers

What are the parameters defining the TBS size?

posted Dec 10, 2014 by Sridharan P

+1 vote

1 answer

In case of 4x4 MIMO, how many reference signals are there in an RB?

posted Dec 10, 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

0 answers

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

posted Jul 21, 2014 by Harshita

+1 vote

1 answer

LTE: How does MIMO works ?

posted Jun 16, 2014 by Ganesh

+1 vote

2 answers

What is the concept of code block in LTE-Phy layer?

posted Jun 12, 2014 by Karan Joglekar

+1 vote

1 answer

LTE: What are the differences between Reference signal and synchronization signal ?

posted Jun 10, 2014 by Neelam

+1 vote

1 answer

what it the functionality of RSSI in LTE?

posted Oct 6, 2013 by Neeraj Mishra

0 votes

0 answers

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

posted Mar 9, 2019 by Gnanendra Reddy

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

0 votes

1 answer

LTE: What all MCS indexes can be used for the configuration of PMCH ?

posted Oct 22, 2016 by Rupam

0 votes

1 answer

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

posted Oct 20, 2016 by Rupam

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

0 votes

2 answers

LTE: How many minimum RBs are required to transmit master information block ?

posted Aug 24, 2016 by Harshita

0 votes

1 answer

LTE-A: Does the radio link failure applicable for secondary cell ?

posted Jan 8, 2016 by Harshita

0 votes

1 answer

What is the functionality of LTE physical layer ?

posted Mar 21, 2015 by Alok

0 votes

1 answer

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

posted Dec 15, 2014 by anonymous

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