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工信部宣布小灵通将逐步退出中国电信市场,寻求一种新的通信方式实现井下无线通信已成为煤矿市场的迫切需求。提出了将WiFi无线宽带技术应用于煤矿井下无线语音通信系统中,利用现有的WLAN网络实现无线的VoIP语音通话。
Ministry of Industry and Information Technology announced PHS will gradually withdraw from China’s telecom market, seeking a new means of communication to achieve underground wireless communications has become an urgent need for the coal market. The paper proposes to apply WiFi wireless broadband technology to coal mine wireless voice communication system, and to use existing WLAN network to realize wireless VoIP voice call.