Recent posts under tag lte

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LTE: Which cause MME sends in s1-setup failure when TAI received in S1-setup request not found at MME ?

posted May 18, 2018 by Vimal Kumar Mishra

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LTE device capacity

posted May 16, 2018 by anonymous

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GTP : What is procedure transaction identifier used in GTP-C Messages?How does it mapped to bearer context??

posted May 16, 2018 by Vinay Kumar Tokala

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LTE: Why presence of Tracking Area Identity (TAI) and E-UTRAN CGI (ECGI) IEs is mandatory in Uplink NAS Transport ?

posted May 16, 2018 by Vimal Kumar Mishra

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Which RNTI is used for UE requested SIB via RACH

posted May 16, 2018 by Jaganathan

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MAC-I calculation at enodeb

posted May 15, 2018 by Shruti

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LTE: What is the use of different types of tracking area list for an UE provided by MME ?

posted May 15, 2018 by Harshita

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LTE: How does MME find PGW IP address serving an APN so that it can send CS Request to right PGW ?

posted May 11, 2018 by Ganesh

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Does UE supports TDD and FDD configuration at a same time?

posted May 10, 2018 by Himani

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What is the use of following IE in NR: pdcch-ConfigSIB1 in MIB of 5G?

posted May 10, 2018 by Himani

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How do we get System BW in NR?

posted May 9, 2018 by Jaganathan

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LTE: ARQ Procedure in RLC is used in which Context, I mean in terms of UL or DL?

posted May 9, 2018 by anonymous

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How Dual SIM mobile use single modem stack? and how attach procedure will initiate in this scenario?

posted May 8, 2018 by Manohar Venkat.ch

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ULR with AVP 1493 = NOT_SUPPORTED(0)

posted May 8, 2018 by Kohava Bentov

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VoLTE Diameter registration response (ULA)

posted May 8, 2018 by Kohava Bentov

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How N/W will notify to UE regarding incoming call?

posted May 7, 2018 by Manohar Venkat.ch

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how does MT call works in LTE/NR?

posted May 7, 2018 by Charan Shah

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Is it mandatory that both MAC entity in UE should configure with same BW in 5G?

posted May 7, 2018 by Jaganathan

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Is it possible to do RACH in both MAC entity parallely in 5G NR?

posted May 7, 2018 by Ankit Mishra

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LTE: What source and target eNodeBs do when UE neither latch on target cell nor come back to source cell ?

posted May 6, 2018 by Harshita

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LTE: How many types of subscriptions Ids for an UE can be exchanged between PCEF and PCRF ?

posted May 5, 2018 by Harshita

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Inter-PLMN Reestablishment supports

posted May 3, 2018 by anonymous

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IMS Mobile termanated call to CS network

posted May 2, 2018 by Michael Semama

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Is there any possiblities of receiving DL data without any UL communication?

posted May 2, 2018 by Charan Shah

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What is the difference between NB-IoT Control Plane CIoT EPS Optimisation (Rel13) and Early data transmission in Rel15?

posted May 1, 2018 by anonymous

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LTE: Why LTE authentication is called as a mutual authentication?

posted Apr 30, 2018 by Ganesh

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LTE: What UE does after receiving the Authentication Request from MME ?

posted Apr 30, 2018 by Ganesh

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LTE: When UE triggers integrity protected Attach request and when it sends as plain NAS message ?

posted Apr 29, 2018 by Ganesh

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LTE: Why does SGW include S5/S8 interface PGW-C F-TEID in Create Session Response message to MME ?

posted Apr 29, 2018 by Ganesh

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LTE: Why MME does replay of UE Security Capabilities in the Security mode command message ?

posted Apr 29, 2018 by Harshita

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LTE: What MME does when it receives Regional-Subscription-Zone-Code AVP in the Update-Location-Answer message ?

posted Apr 28, 2018 by Harshita

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LTE: What could be the reason of attach reject from network even when NAS security has been completed successfully ?

posted Apr 28, 2018 by Vikram Singh

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LTE: What all information UE may request from network in protocol configuration option (PCO) as part of attach request ?

posted Apr 28, 2018 by Vikram Singh

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LTE: When MME asks HSS to provide more than one authentication vectors in Authentication-Information-Answer message ?

posted Apr 27, 2018 by Vikram Singh

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LTE: How does two GTP entities detect link failure and what actions are taken by both entities in this case ?

posted Apr 27, 2018 by Vikram Singh

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CUPS: How CUPS based LTE network would be a better choice for the deployment over the existing LTE network ?

posted Apr 27, 2018 by Harshita

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What kind of scheduler fits in commercial ENB(macro cell)?

posted Apr 26, 2018 by Himani

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LTE: Is it necessary, all PGWs serving an UE for different APNs communicate with same PCRF ?

posted Apr 26, 2018 by Vikram Singh

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Data usage noted when mobile data is off?

posted Apr 26, 2018 by anonymous

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How would traffic aimed for specific URLs be redirected with PCC/ADC rules?

posted Apr 26, 2018 by anonymous

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During a call, at a particular instance of time if sufficient PRBs are not available then what will happen to the call?

posted Apr 25, 2018 by anonymous

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LTE: extraction of PLMN info from SIB1?

posted Apr 25, 2018 by anonymous

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Difference between VOIP and VOLTE and Does VOLTE supported in 5G (NR)?

posted Apr 23, 2018 by Rohit Verma

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"Homogeneous Support of IMS Voice Over PS Sessions" in S6a ULR

posted Apr 23, 2018 by Michael Semama

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How UE gets to know TDD/FDD configuration while initial sync with the network?

posted Apr 20, 2018 by Himani

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Does the UE knows, if there are RNTIs which can be skiped?

posted Apr 18, 2018 by anonymous

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LTE: What is the structure of SIBs inside an SI message?

posted Apr 18, 2018 by anonymous

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What is the difference between Out of coverage and out of service in LTE?

posted Apr 18, 2018 by Gnanendra Reddy

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Cloud: What should be the approach to implement service function chaining without compromising on user experience ?

posted Apr 18, 2018 by Harshita

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LTE PDCCH: What is fallback DCI in NR?

posted Apr 17, 2018 by anonymous