IntroductiontoLTE-Advanced-Introductionto创新.PDFVIP

Introduction to Introduction to LTE-Advanced LTE-Advanced Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@ Audio/Video recordings of this class lecture are available at: /~jain/cse574-14/ Washington University in St. Louis /~jain/cse574-14/ ©2014 Raj Jain 16-1 Overview Overview 1. LTE-Advanced: Requirements and New Technologies 2. Carrier Aggregation 3. Coordinated Multipoint Operation 4. Small Cells 5. Inter-Cell Interference Coordination Note: This 2nd in a series of lectures on LTE and LTE- Advanced Washington University in St. Louis /~jain/cse574-14/ ©2014 Raj Jain 16-2 What is 4G? What is 4G?  International Mobile Telecommunication (IMT) Advanced  Requirements in ITU M.2134-2008  IP based packet switch network  1.0 Gbps peak rate for fixed services with 100 MHz  100 Mbps for mobile services. High mobility to 500 km/hr Feature Cell Cell Edge Peak DL Spectral Efficiency (bps/Hz) 2.2 0.06 15 UL Spectral Efficiency (bps/Hz) 1.4 0.03 6.75  Seamless connectivity and global roaming with smooth handovers  High-Quality Multimedia  ITU has approved two technologies as 4G (Oct 2010)  LTE-Advanced  WiMAX Release 2 (IEEE 802.16m-2011) Washington University in St. Louis /~jain/cse574-14/ ©2014 Raj Jain 16-3 LTE-Advanced Requirements LTE-Advanced Requirements  UMTS Rel. 10, 2011H1  Goal: To meet and exceed IMT-advanced requirements  Data Rate: 3 Gbps downlink, 1.500 Mbps uplink (low mobility) using 100 MHz  Spectral Efficie