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    • 5. 发明申请
    • MODEM SIGNALING USING SPEECH COMPONENTS OVER A VOICE CHANNEL OF A WIRELESS COMMUNICATION SYSTEM
    • 使用无线通信系统语音通道的语音组件的调制解调器信号
    • US20110217957A1
    • 2011-09-08
    • US12876443
    • 2010-09-07
    • Andrew J. MacdonaldCem U. SaraydarSethu K. Madhavan
    • Andrew J. MacdonaldCem U. SaraydarSethu K. Madhavan
    • H04M3/42
    • H04M11/066
    • A system and method of communicating with a modem via a voice channel of a wireless communication system. The method carried out by the system includes the steps of (a) establishing a voice channel connection between a vehicle telematics unit and call center via a wireless cellular network, (b) generating a modem signaling carrier comprising a single frequency tone together with a speech component, (c) sending the modem signaling carrier over the voice channel connection using an EVRC-B vocoder, (d) establishing a data communication session over the voice channel connection in response to the modem signaling carrier, and thereafter (e) carrying out data communications between the vehicle telematics unit and call center during the data communication session.
    • 一种通过无线通信系统的语音信道与调制解调器通信的系统和方法。 该系统执行的方法包括以下步骤:(a)经由无线蜂窝网络在车辆远程信息处理单元和呼叫中心之间建立语音信道连接,(b)生成包括单个频率音调的调制解调器信令载波和语音 组件,(c)使用EVRC-B声码器通过语音信道连接发送调制解调器信令载波;(d)响应于调制解调器信令载波在语音信道连接上建立数据通信会话,之后(e)执行 在数据通信会话期间车辆远程信息处理单元与呼叫中心之间的数据通信。
    • 6. 发明授权
    • Modem signaling using speech components over a voice channel of a wireless communication system
    • 在无线通信系统的语音信道上使用语音分量的调制解调器信令
    • US08761736B2
    • 2014-06-24
    • US12876443
    • 2010-09-07
    • Andrew J. MacDonaldCem U. SaraydarSethu K. Madhavan
    • Andrew J. MacDonaldCem U. SaraydarSethu K. Madhavan
    • H04J3/00H04L12/28H04M11/00
    • H04M11/066
    • A system and method of communicating with a modem via a voice channel of a wireless communication system. The method carried out by the system includes the steps of (a) establishing a voice channel connection between a vehicle telematics unit and call center via a wireless cellular network, (b) generating a modem signaling carrier comprising a single frequency tone together with a speech component, (c) sending the modem signaling carrier over the voice channel connection using an EVRC-B vocoder, (d) establishing a data communication session over the voice channel connection in response to the modem signaling carrier, and thereafter (e) carrying out data communications between the vehicle telematics unit and call center during the data communication session.
    • 一种通过无线通信系统的语音信道与调制解调器通信的系统和方法。 该系统执行的方法包括以下步骤:(a)经由无线蜂窝网络在车辆远程信息处理单元和呼叫中心之间建立语音信道连接,(b)生成包括单个频率音调的调制解调器信令载波和语音 组件,(c)使用EVRC-B声码器通过语音信道连接发送调制解调器信令载波;(d)响应于调制解调器信令载波在语音信道连接上建立数据通信会话,之后(e)执行 在数据通信会话期间车辆远程信息处理单元与呼叫中心之间的数据通信。