Question posted by Vikram Singh

+1 vote

1 answer

LTE: Is really GTP required for the user plane data transmission in LTE ?

posted Dec 27, 2016

0 votes

1 answer

What is the difference between serial ports and parallel ports ?

posted Dec 23, 2016

+2 votes

2 answers

LTE: Why a separate default bearer is required to exchange SIP signalling messages between UE and IMS network ?

posted Dec 20, 2016

0 votes

1 answer

LTE: Does the network re-establish DRBs as part of tracking area update (TAU) procedure ?

posted Nov 25, 2016

+1 vote

0 answers

Where changes need to be made to implement cloud RAN (C-RAN) ?

posted Nov 13, 2016

+1 vote

0 answers

LTE: In which scenarios, eNodeB trigger UE context modification indication towards to MME ?

posted Oct 21, 2016

+2 votes

1 answer

Why Cisco says IOE (internet of everything) rather than IOT (internet of the things) ?

posted Oct 16, 2016

+1 vote

1 answer

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

posted Oct 10, 2016

+2 votes

1 answer

LTE: How many control format messages have been defined for uplink channels ?

posted Oct 10, 2016

+1 vote

1 answer

LTE: Is the position of PHICH and PCFICH in a sub frame fixed or varies per sub frame ?

posted Oct 9, 2016

+1 vote

1 answer

LTE: How UE detects uplink synchronization failure and how does it re-synchronize ?

posted Oct 8, 2016

0 votes

1 answer

LTE: Why LTE works at the granularity of 1 ms (sub frame level) not at the slot level i.e 0.5 ms ?

posted Oct 8, 2016

+1 vote

1 answer

C : Difference between ++*p, *++p and *p++ in case pointer p is pointing to an integer array ?

posted Oct 5, 2016

+2 votes

1 answer

LTE: What F bit field signify in MAC sub header ?

posted Oct 4, 2016

0 votes

2 answers

OS: Does the stack always grow in upward direction or it is system dependent ?

posted Oct 1, 2016

+1 vote

1 answer

LTE: What capabilities UE should support in order to receive SRVCC or CSFB based voice call ?

posted Sep 27, 2016

+1 vote

1 answer

LTE: What things are considered when defining logical channel groups for established logical channel ids ?

posted Sep 25, 2016

0 votes

0 answers

GDB: How the remote debugging work in GDB ?

posted Sep 24, 2016

0 votes

1 answer

LTE: Why LTE is not considered 4G technology completely ?

posted Sep 23, 2016

+1 vote

1 answer

OS: What is priority Inversion and priority inheritance ?

posted Sep 22, 2016

0 votes

1 answer

How a timer utility can be implemented in a system ?

posted Sep 22, 2016

+1 vote

1 answer

LTE: What is the significance of time alignment timer for an UE and what actions are initiated when it expires ?

posted Sep 21, 2016

+1 vote

1 answer

LTE: How does eNodeB identify for which UE rrc re-establishment request message is received ?

posted Sep 3, 2016

+1 vote

2 answers

SIP: Does all the SIP control messages passes through SIP proxy-server or only a subset of SIP messages?

posted Aug 14, 2016

+1 vote

1 answer

SIP: In what cases or scenarios, an user agent can send INVITE within an already established Dialog between UAC and UAS?

posted Aug 14, 2016

+1 vote

2 answers

SIP: Why does proxy server respond with 100 trying message ? What if it does not do this ?

posted Aug 14, 2016

+1 vote

0 answers

LTE: When measurement event B2 is considered over and above event B1 for inter RAT measurement ?

posted Aug 10, 2016

+1 vote

0 answers

LTE: Why frequency offset is not considered for leaving and entering condition of event A6 ?

posted Aug 10, 2016

+2 votes

1 answer

IMS: How an LTE UE deregisters from the IMS network?

posted Aug 7, 2016

+2 votes

0 answers

LTE: What MME does when it receives indication from UE saying it supports LPP (LTE Positioning Protocol) ?

posted Aug 6, 2016

+1 vote

0 answers

LTE: What MME does after receiving UE capabilities information from the eNodeB for an UE ?

posted Aug 6, 2016

+2 votes

1 answer

LTE: What is the use of zeroCorrelationZoneConfig parameter and in which scenarios ?

posted Aug 2, 2016

+6 votes

2 answers

LTE: How a LTE UE come to know whether LTE network supports IMS call or not ?

posted Jul 28, 2016

+1 vote

1 answer

LTE: Which technology is the best among today's available options for LTE and Wifi aggregation ?

posted Jul 26, 2016

+2 votes

1 answer

LTE: How operator will charge user when data will be reaching to UE through LTE radio access as well as through Wifi AP?

posted Jul 23, 2016

+1 vote

1 answer

Licensed assisted access or LTE-wifi aggregation which one would be choice for an operator ?

posted Jul 23, 2016

+2 votes

1 answer

XML: What is the difference among string, normalized string and token ?

posted Jul 20, 2016

+5 votes

3 answers

LTE: How does charging work when an UE handover to wifi network from LTE network ?

posted Jul 16, 2016

+3 votes

1 answer

LTE: Which interface is used for mutual authentication of UE and 3GPP AAA sever ?

posted Jul 14, 2016

+2 votes

0 answers

LTE: Is congestion in radio network a generic term or associated to few specification defined parameters ?

posted Jun 17, 2016

+1 vote

1 answer

LTE: Does the network operator charge for signalling messages ?

posted Jun 12, 2016

0 votes

0 answers

How does XML parser work and why an XML document could have only one root ?

posted Jun 5, 2016

+2 votes

1 answer

Why XML is not considered as a programming language ?

posted Jun 5, 2016

0 votes

1 answer

What is markup language and why XML comes under this category ?

posted Jun 4, 2016

0 votes

0 answers

OS: Does the OS scheduling depends on the underlying hardware ?

posted Jun 1, 2016

+1 vote

1 answer

HA: What is clustering and how many types are defined ?

posted May 31, 2016

+1 vote

1 answer

OS: What are the advantages of having multiprocessor over the single processor in a system ?

posted May 31, 2016

+1 vote

1 answer

C: How does macro function works as compare to normal function ?

posted May 22, 2016

+3 votes

0 answers

What reference materials should be studied before implementing virtual EPC ?

posted May 14, 2016

0 votes

1 answer

LTE: What all information are collected in charging data record (CDR) for an UE ?

posted May 12, 2016

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