Featured Video Tutorials

LTE & VoLTE Architecture: Part 1

LTE & VoLTE Architecture: Part 2

  • Hongyan

    How to calculate peak data rate in LTE?

    You may hear it many times that the peak data rate of LTE is about 300Mbps? How is the number calculated? What are the assumptions behind? Let's estimate it in a simple way. Assume 20 MHz channel bandwidth...
  • Don

    LTE and 1x/1xEV-DO Terminology and Concepts

    By Don Hanley, Senior Consultant - 2/2009 1xEV-DO and LTE networks are surprisingly similar in many respects, but the terms, labels and acronyms they use are very different. How can a 1xEV-DO operator...
  • Prakash

    Discontinuous Reception (DRX) in RRC_IDLE: Part 1

    One of the important activities performed by UE during RRC Idle mode is listening to paging message. The UE should listen to the paging message to know about incoming calls, system information change,...
  • Hongyan

    PDCCH Construction

    The PDCCH (Physical Downlink Control Channel) in LTE carries UE-specific scheduling assignments for Downlink (DL) resource allocation, Uplink (UL) grants, PRACH (Physical Random Access Channel) responses...