Share

LTE network design and planning


dimensioning user traffic in 4G networks

This video describes how to design service plans for 4G wireless customers. (1) Learn how to estimate the traffic per subscriber for different types of services. (2) Understand the differences between data speed and data tonnage (3) Learn about geographic and temporal traffic distribution. (4) Running performance tests to evaluate customer experience after service deployment. (5) Understanding the factors that impact user experience.

overhead in LTE dimensioning

Learn how you can characterize the resource usage overheads in LTE. (1) The lecture starts with a refresher on LTE. The frame structure, transmission modes, signals, channels and scheduling algorithms are covered. (2) Understand the cellular reuse design in LTE (3) Finally learn about dimensioning and resource planning in LTE networks.

customer experience in wireless network design

(1) Understand the LTE uplink and downlink frame structure and its impact on end user services. (2) Learn about the reuse factor setting in different environments. (3) Impact of power control on throughput. (4) Impact of modulation and coding schemes and their impact on radio resource utilization.

measurements in LTE

Learn about radio link measurements in LTE networks (1) UE Measurements: RSRP, RSSI, RSRQ, RSTD (2) Cell Measurements: Reference signal TX power, received interference power, termal noise power, timing advance, angle of arrival (3) Event triggered and periodic measurement reporting (4) Field measurements.

This seminar focuses on the downlink parameter dimensioning in LTE networks. The following topics are covered: (1) LTE refresher: LTE downlink and upplink framing, Zadoff-Chu codes, Orthogonality, interference (2) Network planning: BTS and cell id assignment, link budget, channel and resource assignment in different neighborhoods (3) Downlink PCI planning: PSS, SSS, Cell RS, Uplink Group Base Sequenc. (4) Downlink dimensioning of CP, PFICH, PHICH, PDCCH (RNTI, CCE), PDSCH (RBG), PDSCH resource allocation, power considerations (5) Traffic allocation: RRM, RRC, PDCP, MAC and PHY.

This lecture focuses on dimensioning uplink parameters in LTE. The topics covered here are: (1) Random Access Procedure: RACH, PRACH formats, configuration index, frequency offset, zero correlation zone, high speed flag, root resource index, contention resoulation procedure (2) Uplink control and data: DMRS, PUCCH, PUSCH and SRS (3) Resource Optimization: Reuse, resource planning and ICIC.

LTE spectrum analysis

The topics covered in this seminar are: (1) RF parameter characterization in LTE (2) Spectrum analysis (3) Channel analysis (4) Calibration and propagation model (5) Comparing measurements with estimates.

MIMO

The topics covered in this seminar are: (1) Antenna Ports (2) MIMO modes (TX diversity, cyclic delay diversity, spatial multiplexing, beam forming, multi-user MIMO) (3) MIMO channel modeling and system performance.