Requirements of 3GPP LTE

Peak download data rate 100Mbps for 20MHz bandwidth
Peak uplink data rate 50Mbps for 20MHz bandwidth
Different spectrum bandwidth support from 1.2MHz to 20MHz
To provide best internet experience , packet based architecture
Performance should be equal up to 5KM radius from cell center
High performance mobility support up to 120KM/H
Connection maintenance up to 500KM/H
Support for at least 200 active users per cell of bandwidth equal to 5 MHz.
Packet delivery latency should not be more than 5 ms
Connection establishment latency should not be more than 100 ms.

Questions are welcome.

Comments

Difference between SRS and DMRS

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Positioning Reference Signal (PRS) is taken into consideration in one of the LTE release 9 features to determine the location of User Equipment (UE) based on radio access network information. Now you might be thinking that what is the necessity of PRS, if we have a GPS technology already built in smartphones and in other cellular equipment. Just think of it J (GPS may not be accurate always and GPS services may not be available all around the geographical areas , also the accuracy of functioning GPS depends on money you have paid for the services and the quality of GPS device). The end user application of this PRS feature could be supporting location based services which can be navigation (direction to hotel etc.), emergency call etc. Process of finding UE location using PRS: The overall process of finding UE locations are based on three major steps. Step 1. UE receive PRS from cells (Reference cell and Neighbor cells) Step 2. Based on received PRS...

LTE Concept and Applications

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