Adaptive framework for data transmission over GSM voice channel for developing regions

2015 7th International Conference on New Technologies, Mobility and Security (NTMS) Pub Date : 2015-07-27 DOI:10.1109/NTMS.2015.7266471

Siddhartha Asthana, Pushpendra Singh, Shraddha Jain

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引用次数: 3

Abstract

Lack of data connectivity and ubiquity of voice network in several rural and remote areas of developing nation has encouraged the research community to build a mechanism for sending data on voice channel for low data rate application such as m-health, micro-financing, etc. Several attempts to send data over GSM voice channel have been explored in the past. The data rate for transmission varies from 100 bps to 3-4 kbps depending upon permissible error rate in different domains. The past techniques use only single voice channel from a sender to receiver and completely ignore the potential use of second voice channel from the receiver to sender. In this paper, we have examined the use of the second channel in data transmission that can significantly reduce the overhead of sending error codes in the forward channel during data transmission. We have also showed the use of this second channel as the feedback mechanism for adaptive data transmission that can adjust to the current error rate in transmission.

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发展中地区GSM语音信道数据传输的自适应框架

在发展中国家的一些农村和偏远地区，缺乏数据连接和语音网络无处不在，这促使研究界建立一种通过语音通道发送数据的机制，用于移动医疗、小额融资等低数据速率应用。在过去已经探索了几种通过GSM语音信道发送数据的尝试。传输的数据速率根据不同域的允许错误率从100 bps到3-4 kbps不等。过去的技术仅使用从发送方到接收方的单一语音通道，而完全忽略了从接收方到发送方的第二语音通道的潜在使用。在本文中，我们研究了在数据传输中使用第二通道，它可以显着减少在数据传输期间在转发通道中发送错误代码的开销。我们还展示了使用第二通道作为自适应数据传输的反馈机制，可以根据传输中的当前错误率进行调整。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2015 7th International Conference on New Technologies, Mobility and Security (NTMS)

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