Signals Ahead: VoLTE Benchmark Study Part 5 - EVS Versus AMR - Research and Markets

DUBLIN--()--Research and Markets has announced the addition of the "Signals Ahead: VoLTE Benchmark Study Part 5 - EVS Versus AMR" report to their offering.

In this Signals Ahead report we continue our multi-part series on VoLTE-related topics by providing the results of the industry's first lab-based independent benchmark study of the EVS voice codec and how it compares with AMR. This study is part one of a two-party study with the second study taking place in an LTE network with commercially-launched EVS services.

Highlights of the Study include the following:

Our Thanks

Consistent with all of our VoLTE-related studies, this report was done in collaboration with Spirent Communications who provided its test platform and engineering resources to conduct the tests. SRG takes full responsibility for the analysis and opinions presented in this report.

The Devices

We tested two commercial smartphones - the LG G5 and the Galaxy S7 Edge, which were also designed to allow us to configure them to support the various codecs and bit rates. We also tested a Qualcomm MTP as part of the study.

The Scope

We tested AMR-NB, AMR-WB, EVS-NB, EVS-WB and EVS-SWB, including with Channel Aware Mode (CAM). We also included a large range of bit rates for the two codecs, all subject to the capabilities of the devices we tested.

The Results

The results of our study indicate that EVS delivers on its promises - better voice quality than AMR and/or comparable voice quality while using fewer network resources, plus EVS is more impervious to IP impairments. However, the performance advantages are more nuanced than we had anticipated.

EVS versus AMR, Part II

In part two of our study, due out in July, we'll look at how EVS compares with AMR in a commercial network. We'll look at multi-mode operation, including EVS to AMR and EVS to VoWi-Fi calls, and include additional KPIs, such as network resource requirements and current consumption.

*SIGNALS AHEAD SUBSCRIPTION INFORMATION

This report is included as part of a subscription to Signals Ahead or it can be purchased separately. Signals Ahead is a research-focused product that is published on a periodic basis. Its clientele include all facets of the wireless ecosystem, including some of the largest mobile operators, the top handset suppliers, the major infrastructure vendors, subsystem suppliers, semiconductor companies and financial institutions, including Wall Street, Private Equity and Venture Capitalists, spread across five continents.

Key Topics Covered:

1. Executive Summary

2. Key Highlights and Observations

3. A Primer on EVS

4. AMR-WB and EVS Results

- AMR-WB Results

- Clean Channel

- Noise

- EVS Results

- Clean Channel

- Noise

- Results by Smartphone

- Samsung Galaxy S7 Edge Results

- LG G5 Results

5. AMR-WB and EVS Results with IP Impairments

- AMR-WB Results with IP Impairments

- EVS Results with IP Impairments

- Results by Smartphone

- Galaxy S7 Edge Results with IP Impairments

- LG G5 Results with IP Impairments

6. Test Methodology

7. Final Thoughts

For more information visit http://www.researchandmarkets.com/research/bzcn6p/signals_ahead

Contacts

Research and Markets
Laura Wood, Senior Manager
press@researchandmarkets.com
For E.S.T. Office Hours Call 1-917-300-0470
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For GMT Office Hours Call +353-1-416-8900
U.S. Fax: 646-607-1907
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Sector: 4G and 5G

Contacts

Research and Markets
Laura Wood, Senior Manager
press@researchandmarkets.com
For E.S.T. Office Hours Call 1-917-300-0470
For U.S./CAN Toll Free Call 1-800-526-8630
For GMT Office Hours Call +353-1-416-8900
U.S. Fax: 646-607-1907
Fax (outside U.S.): +353-1-481-1716
Sector: 4G and 5G