Question / Problem description: How a UE knows which PDCCH part to listen in LTE? Answer: UE knows which PDCCH part to listen from the RRC configuration (for dedicated resources). For the initial connection and broadcasted info the UE uses … Continue reading
Question / Problem description: Does a UE listens to entire PDCCH or only to parts of PDCCH? Answer: Depending on if the information includes common part (e.g. system information) or dedicated part (UE specific), the UE reads of the corresponding … Continue reading
By Jaroslaw Medwid, The Institute of Telecommunications, Warsaw University of Technology. This thesis presents the concept of laboratory experiments realized for teaching purposes at the Warsaw University of Technology. The addressed technical areas include simulations for LTE Technology, WiMAX Network … Continue reading
Question / Problem description: What is the timing advance granularity – i.e. the minimum step by which the UE can adjust the timing? Answer: According to TS 36.213 section 4.2.3 the timing advance command, which is transmitted to the UE … Continue reading
By Dinesh Mannani, The Institute of Telecommunications, Warsaw University of Technology. This thesis is mainly to understand the scheduling algorithms for LTE by means of modeling and simulation of the process and in the end verify the results by conducting … Continue reading
Each TTI (if the dynamic scheduling is configured) in order to get the assigned resources, the UE performs the following steps: decodes PCFICH decodes PDCCH and finally decodes PDSCH. Please find bellow the slide, which explains in details all the … Continue reading
Question / Problem description: What is the range of RSRP, RSRQ, RSSI and SINR value to get good data rate and how it is related to eNodeB transmition power ? And how these values are used at UE ? Answer: … Continue reading
Question / Problem description: What is the eNB behavior in-case MME is not responding to S1 setup request message (ie. MME is not sending S1 setup failure or success). Please provide me any reference on this. Answer: The specifications … Continue reading
Question / Problem description: Can you, please explain what happens for the common channels? The PSS/SSS and PBCH have a fix position in time-frequency domain so in the area between the sectors we will have those REs (resource elements) and … Continue reading
The Evolved Packet System consists of two parts: LTE – relating to radio interface and radio access network (E-UTRA and E-UTRAN); SAE – relating to the core network (EPC) LTE RAN (E-UTRAN) consists of only one type of node – … Continue reading