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Cognitive Computing Authors: Liz McMillan, Elizabeth White, Yeshim Deniz, Pat Romanski, Shelly Palmer

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Research and Markets: Signals Ahead: LTE Band 7 versus LTE Band 4

Research and Markets (http://www.researchandmarkets.com/research/qdhsss/signals_ahead) has announced the addition of the "Signals Ahead: LTE Band 7 versus LTE Band 4 - GAME ON!" report to their offering.

This report analyzes LTE Band 7 and LTE Band 4 performance characteristics. The extensive analysis, which includes in-building and outdoor test results, leveraged one of the very few networks in the world where LTE is deployed in Band 7 and Band 4 by the same operator in the same market and at virtually every single cell site with a shared antenna configuration.

In order to answer the all-important questions pertaining to a dual-band strategy, we analyzed several underlying downlink and uplink KPIs. We also correlated these KPIs to more basic performance characteristics, such as throughput.

The downlink KPIs for both the in-building and outdoor drive testing include the following:

- RSRP (average and at edge of cell)

- Downlink Path Loss (average and at edge of cell)

- SINR

- 64 QAM Utilization

- Rank Indicator 2 and Rank Indicator 1 Availability

- PDSCH Throughput (average and at edge of cell)

- Number of Assigned Resource Blocks

The uplink KPIs for both the in-building and outdoor drive testing include the following:

- PUSCH Transmit Power

- Power Headroom

- PUSCH Throughput

- Number of Assigned Resource Blocks

Handover/Interoperability analysis includes the following:

- IP Layer Handover Latency - Band 7 to Band 4 and Band 4 to Band 7

- Handover Success/Failure Rate

- RSRP at Inter-band Handovers

- Cell Coverage Area

Types of Figures include the following (we also include numerous geo-plots of KPIs using Google Earth as well as the in-building mapping capabilities of the XCAL-M drive test solution):

Probability Plots

- PDSCH and PUSCH Throughput

- SINR

- 64 QAM

- RSRP

- Downlink Path Loss

- PUSCH Transmit Power

- Power Headroom

- DL/UL Resource Block Allocation

Scatter Plots

- RSRP versus PDSCH Throughput (average and edge of cell)

- RSRP versus PUSCH Throughput (average and edge of cell)

- Power Headroom versus PUSCH Throughput

Time Series Plots

- Uplink Resource Blocks versus PUSCH Throughput during Handovers

- RSRP versus PDSCH Throughput

- RSRP versus PUSCH Throughput

- PDSCH Throughput and Downlink RBs during a Handover

Key Topics Covered:

1.0 Executive Summary

2.0 Key Conclusions and Observations

3.0 Band 4 and Band 7 Downlink and Uplink Performance Analysis - overall results

4.0 Detailed Band 7 and Band 4 Downlink Performance Analysis - including specific test scenarios

5.0 Detailed Band 4 and Band 7 Uplink Performance Analysis - specific test scenarios

6.0 Band 7 and Band 4 Interoperability and Handover Analysis

7.0 Band 7 and Band 4 In-building Performance Analysis

8.0 Test Methodology

9.0 Conclusions

10.0 Appendix

For more information visit http://www.researchandmarkets.com/research/qdhsss/signals_ahead

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