Abstract:
Over the past few years, Voice/Video over Wi-Fi (VoWiFi) technology has made great strides and several researches predict its rapid growth. Voice over LTE (VoLTE) guarant...Show MoreMetadata
Abstract:
Over the past few years, Voice/Video over Wi-Fi (VoWiFi) technology has made great strides and several researches predict its rapid growth. Voice over LTE (VoLTE) guarantees the Quality of Service (QoS) by creating dedicated channels. However, the QoS of VoWiFi service is still an area to be considered since the non-dedicated Wi-Fi does not provide any Guaranteed Bit Rate (GBR) mechanism. When multiple applications are in use, there will be sharing of bandwidth amongst these applications. Hence, QoS might not be guaranteed. VoWiFi being a high priority user preferred service, sharing of bandwidth should not affect its performance. In this paper, we propose Dedicated VoWiFi (D-VoWiFi), a paradigm to efficiently allocate the required bandwidth to VoWiFi service using GBR scheduler. The GBR scheduler prioritizes VoWiFi and assures better received average framerate per second (fps) irrespective of the other applications' activity. We provide User Equipment (UE) only solution which makes it completely agnostic of the server or any middle box (such as router, P-GW, etc). We demonstrate the effectiveness of our model with the help of live air experiments (performed in Samsung Electronics) using Samsung Galaxy S8 and S8+ devices. From experiment and analysis, we conclude that our model outperforms the current methodology in terms of QoS. We are able to achieve averaged freeze rate reduction by 23% while running single parallel download and up to 375% while multiple parallel downloads are in progress.
Date of Conference: 11-14 January 2019
Date Added to IEEE Xplore: 28 February 2019
ISBN Information: