Recent posts under tag phy

+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

+2 votes

0 answers

What are the 4 configurations of CCE?

posted Dec 9, 2014 by Sridharan P

+4 votes

0 answers

What are the parameters defining the TBS size?

posted Dec 9, 2014 by Sridharan P

+2 votes

0 answers

What is the smallest and biggest segment size for Encoding ?

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

+3 votes

0 answers

What is the CRC length for CFICH and PHICH respectively?

posted Dec 9, 2014 by Sridharan P

+2 votes

1 answer

what are the control information interleaved together with PUSCH?

posted Dec 9, 2014 by Sridharan P

+4 votes

0 answers

which channel case BitRepeatationCoding is used?

posted Dec 8, 2014 by Sridharan P

+3 votes

1 answer

Which are the Physical signals sent in DCI?

posted Dec 8, 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

+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

+2 votes

1 answer

What is the content of the cyclic prefix ?

posted Dec 4, 2014 by Sridharan P

+5 votes

1 answer

Why does lte support only 64 preamble sequences ?

posted Nov 5, 2014 by Neeraj Mishra

+4 votes

1 answer

LTE: is there any difference between resource block (RB) and Physical Resource Block (PRB) ?

posted Aug 16, 2014 by Mohammad Alsharif

+1 vote

0 answers

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

posted Jul 21, 2014 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

+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

+1 vote

Reference Signals (RS), Demodulation RS, Sounding RS in LTE.

posted Jun 17, 2014 by Mridul

+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

+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

+1 vote

1 answer

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

posted Jun 10, 2014 by Neelam

+2 votes

1 answer

How Wi-Max OFDMA physical layer works?

posted May 22, 2014 by Aman

+3 votes

1 answer

LTE: Why does LTE support only up to 64 QAM ?

posted May 3, 2014 by Neeraj Mishra

+2 votes

1 answer

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

posted May 1, 2014 by Harshita

+3 votes

1 answer

LTE: Difference between the cyclic prefix and extended cyclic prefix ?

posted Apr 30, 2014 by Ganesh Kumar

+3 votes

1 answer

Difference between dBm and dB ?

posted Apr 6, 2014 by Neeraj Mishra

+9 votes

1 answer

How the concatenation and segmentation works in Physical Downlink Shared Channel (PDSCH) processing?

posted Mar 26, 2014 by Hiteshwar Thakur

+3 votes

1 answer

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

posted Mar 26, 2014 by Ankur Athari

+6 votes

3 answers

LTE: How an UE get to know cell is running on MIMO mode or not ?

posted Feb 5, 2014 by Harshita

+6 votes

1 answer

LTE: When UE gets time-synchronized with cell ?

posted Feb 4, 2014 by Harshita

+6 votes

1 answer

LTE: How PCI help out to find out the reference signal location ?

posted Feb 4, 2014 by Harshita

+4 votes

2 answers

what is the use of Extended cyclic prefix in lte

posted Jan 8, 2014 by Sandeep

+7 votes

3 answers

LTE: Difference between Adaptive and non-adaptive HARQ ?

posted Dec 6, 2013 by Vimal Kumar Mishra

+7 votes

1 answer

LTE: Difference between synchronous and asynchronous harq ?

posted Dec 6, 2013 by Vimal Kumar Mishra

+3 votes

0 answers

LTE: What is CDD (Cyclic delay diversity) ?

posted Nov 12, 2013 by Vikram Singh

+5 votes

1 answer

LTE: How does UE PHY designed to work on multi mode (GSM/3G/LTE) ?

posted Nov 10, 2013 by Vimal Kumar Mishra

+7 votes

1 answer

LTE: What are the factors derive subcarrier spacing 15KHz ?

posted Nov 10, 2013 by Vimal Kumar Mishra

+2 votes

1 answer

LTE: How HARQ with soft combining works ?

posted Nov 8, 2013 by Ganesh Kumar

+4 votes

1 answer

How does the EnodeB know if a UE supports carrier aggregation

posted Nov 8, 2013 by anonymous

+4 votes

1 answer

LTE: Why does uplink support only resource allocation type 2 ?

posted Nov 7, 2013 by Vikram Singh

+4 votes

2 answers

LTE: Difference between closed loop MIMO and open loop MIMO ?

posted Nov 5, 2013 by Ganesh Kumar

+4 votes

2 answers

LTE: What is sampling frequency and use of it ?

posted Nov 2, 2013 by Vikram Singh

+4 votes

2 answers

LTE: What is the basic difference Resource Allocation type 0 and 1 ?

posted Oct 31, 2013 by Neeraj Mishra

+6 votes

1 answer

LTE: Difference between virtual and physical resource allocation schemes ?

posted Oct 31, 2013 by Neeraj Mishra

+5 votes

1 answer

LTE:What are time-dispersive channels ?

posted Oct 30, 2013 by Ganesh Kumar

+7 votes

3 answers

LTE:Why is the Cyclic Prefix (CP) needed?

posted Oct 30, 2013 by Ganesh Kumar

+7 votes

1 answer

LTE: How Beam forming works when it is needed and possible variations if possible ?

posted Oct 29, 2013 by Vikram Singh

+1 vote

1 answer

what it the functionality of RSSI in LTE?

posted Oct 6, 2013 by Neeraj Mishra