Recent posts under tag handover

+1 vote

1 answer

LTE HO : Why two MME UE S1AP IDs present within the S1-AP HO Request message ?

posted May 30, 2014 by Harshita

+2 votes

2 answers

LTE HO: Is it possible after successful resource allocation at target eNodeB, source eNodeB sends HO Cancel ?

posted May 30, 2014 by Harshita

0 votes

1 answer

LTE: What are actions taken at source eNodeB or MME in case of partial resource allocation as part of HO procedure?

posted May 29, 2014 by Vimal Kumar Mishra

+1 vote

1 answer

LTE: Why does "Create Indirect Forwarding Tunnel procedure" optional ?

posted May 21, 2014 by Ganesh Kumar

+1 vote

2 answers

LTE : Can MME decides who are the neighbor ENBs of a particular ENB?

posted May 17, 2014 by Sachidananda Sahu

+2 votes

1 answer

Why Soft and Softer handovers are not possible in LTE ?

posted May 15, 2014 by Brijesh Talwar

+3 votes

1 answer

4G to 2G Handover (HSS-MME)

posted May 15, 2014 by Swarnima Singh

+2 votes

2 answers

How Drx configuration is usefull for UE to perform ECGI measurement ?

posted May 13, 2014 by Bheemappa G

+3 votes

1 answer

VoLGA: Call flow for Handover from E-UTRAN(4G) to GERAN (2G) procedure?

posted May 13, 2014 by Maninder Bath

+4 votes

3 answers

Is it possible to know from UE logs that which handover has been occurred either S1-based or X2-based ?

posted May 13, 2014 by Rahul Vaidya

+1 vote

1 answer

Is there any possiblity that ENBs is not having X2 Intercace within same MME?

posted May 13, 2014 by Suresh Kumar

0 votes

1 answer

LTE: How does security keys generated for handover ?

posted May 12, 2014 by Harshita

0 votes

1 answer

LTE: What does source MME execute "Relocation Cancel Procedure" ?

posted May 8, 2014 by Vimal Kumar Mishra

+3 votes

1 answer

LTE: How does source eNodeB decide to consider RSRP or RSRQ of neighbor cell for measurement ?

posted May 3, 2014 by Harshita

+2 votes

2 answers

LTE: What can be reason of handover preparation failure ?

posted Apr 22, 2014 by Ganesh Kumar

+4 votes

0 answers

LTE: Why does "PLMN-IdentityList2" IE within the "measResults" ranges from 1 to 5 PLMNs ?

posted Apr 21, 2014 by Harshita

+2 votes

1 answer

LTE handover: Why does "TAC" required as part of "Target Id" IE within the forward relocation request message ?

posted Apr 21, 2014 by Vimal Kumar Mishra

+4 votes

0 answers

LTE: Can someone please share wireshark logs for successful handover with MME and SGW relocation ?

posted Apr 19, 2014 by Vimal Kumar Mishra

+5 votes

1 answer

Can someone give me the call flow of Handover from 3GPP access to Trusted Non-3GPP IP Access with MIPv4 FACoA on S2a ?

posted Apr 14, 2014 by Hiteshwar Thakur

+2 votes

0 answers

LTE: How source eNodeB get to know when it has to trigger handover required message towards MME ?

posted Mar 27, 2014 by Vimal Kumar Mishra

+11 votes

Handover between GSM (2G), UMTS (3G).

posted Mar 25, 2014 by anonymous

+2 votes

2 answers

LTE: How an source eNodeB come to know about "TAI" of target eNodeB ?

posted Mar 20, 2014 by Vimal Kumar Mishra

+4 votes

0 answers

Filling the measurement configuration for UE

posted Mar 14, 2014 by Sachidananda Sahu

+3 votes

1 answer

What is this Blind Handover in LTE? How does it happen in the Network?

posted Mar 13, 2014 by Pushpak Chauhan

+2 votes

1 answer

LTE: How does a target enodeB get to know which of the cell need to prepare for a received handover request ?

posted Mar 8, 2014 by Ganesh Kumar

+4 votes

2 answers

What is the difference between Handover failure and Radio Link failure?

posted Mar 5, 2014 by Sachidananda Sahu

+3 votes

2 answers

What is the difference between seamless and lossless handover ?

posted Mar 4, 2014 by Amit Sharma

+3 votes

1 answer

Establishing X2-Connection Between two ENBs where operator for them are different is possible or not ???

posted Feb 26, 2014 by Sachidananda Sahu

+5 votes

1 answer

LTE: How the extraction of the security keys happens in horizontal handover ???

posted Feb 24, 2014 by Amit Sharma

+5 votes

1 answer

LTE S1-AP handover : How does a source mme find out the target mme as part of MME relocation based handover ?

posted Feb 21, 2014 by Vimal Kumar Mishra

+3 votes

0 answers

LTE handover: How would be handled this particular scenario under Forward handover ?

posted Feb 17, 2014 by Harshita

+3 votes

1 answer

LTE : How does Forward handover works ?

posted Feb 16, 2014 by Harshita

+2 votes

1 answer

RRC: Why is RLF handover ?

posted Feb 15, 2014 by Harshita

+3 votes

1 answer

LTE: Why UE History Information IE has been kept as a mandatory field ?

posted Feb 13, 2014 by Vimal Kumar Mishra

+7 votes

1 answer

LTE: How does inter rat handover work ?

posted Feb 4, 2014 by Ganesh Kumar

+3 votes

1 answer

For different UE speeds, eNB gives each UE a different TTT value or some UEs may have the same TTT value.

posted Jan 24, 2014 by anonymous

+3 votes

0 answers

LTE: How does handover works differently for HeNB i as compared to macro eNB ?

posted Jan 15, 2014 by Harshita

+2 votes

1 answer

LTE: Why does "forward access context notification" send by source mme to target mme ?

posted Jan 14, 2014 by Harshita

+6 votes

2 answers

LTE: Does MME trigger Update location procedure as part of Handover procedure or after Handover ?

posted Jan 9, 2014 by Vimal Kumar Mishra

+1 vote

1 answer

How we can decide to choose direct data forwarding in case of S1 Handover?

posted Dec 18, 2013 by anonymous

+4 votes

1 answer

Handover form 4g to other network (3G, 2G, WiFi)

posted Dec 11, 2013 by anonymous

+4 votes

2 answers

LTE: Why TAI is included into Handover Required message ?

posted Dec 8, 2013 by Neeraj Mishra

+3 votes

1 answer

LTE: Indirect data forwarding tunnel ?

posted Dec 7, 2013 by Neeraj Mishra

+2 votes

0 answers

LTE: Why EnodeB status transfer message is transmitted from source eNodeB to target eNodeB?

posted Dec 1, 2013 by Harshita

+6 votes

2 answers

LTE: How PDCP layer at eNodeB make sure seamless and lossless handover ?

posted Nov 20, 2013 by Neeraj Mishra

+7 votes

1 answer

What is the difference between Forward handover, Incoming successful handover ?

posted Nov 19, 2013 by Sachidananda Sahu

+8 votes

2 answers

LTE: what is the use of SN and HFN at PDCP layer and why it is required ?

posted Nov 18, 2013 by Vimal Kumar Mishra

+2 votes

1 answer

Detection of too early handover for handover optimization

posted Oct 21, 2013 by anonymous

+4 votes

1 answer

Can a UE get mobility control info inside RRC Reconfiguration Message as part of attach procedure ?

posted Oct 10, 2013 by Neeraj Mishra

+1 vote

1 answer

Why security should be done before Handover message ?

posted Oct 10, 2013 by Neeraj Mishra