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    • 4. 发明申请
    • APPARATUS AND METHOD FOR UPSTREAM TRANSMISSION OF VARIABLE BIT RATE VoIP TRAFFIC IN HYBRID FIBER COAXIAL NETWORK, AND APPARATUS AND METHOD FOR RESOURCE ALLOCATION
    • 混合光纤同轴网络中可变速率VoIP通信的上行传输的装置和方法,以及用于资源分配的装置和方法
    • US20080075108A1
    • 2008-03-27
    • US11861672
    • 2007-09-26
    • Seung-Eun HONGO-Hyung KWONSoo-In LEE
    • Seung-Eun HONGO-Hyung KWONSoo-In LEE
    • H04L12/423
    • H04L12/4641
    • Provided are an apparatus and method for upstream transmission of variable bit rate traffic in a Hybrid Fiber Coaxial (HFC) network. The apparatus includes: a VoIP signal processing unit for digitizing a voice of a speaker to create a voice packet, detecting a mute section to suppress packet generation, and generating an Service identification (SID) packet in the mute section; a storage unit for storing the voice packet and the SID packet created by the VoIP signal processing unit and notifying information on the stored packets; a VoIP activity determining unit for determining a voice activity based on the information on the stored packets notified from the storage unit; and a packet processing unit for including the voice activity transferred from the VoIP activity determining unit in the packets from the storage unit to encapsulate them and transmit it to a network device.
    • 提供了一种用于混合光纤同轴(HFC)网络中可变比特率业务的上行传输的装置和方法。 该装置包括:VoIP信号处理单元,用于数字化扬声器的语音以创建语音分组,检测静音部分以抑制分组生成,以及在静音部分中生成服务标识(SID)分组; 存储单元,用于存储由VoIP信号处理单元创建的语音分组和SID分组,并通知关于所存储分组的信息; VoIP活动确定单元,用于基于从存储单元通知的关于所存储的分组的信息来确定语音活动; 以及分组处理单元,用于将来自所述VoIP活动确定单元的所述语音活动包括在来自所述存储单元的分组中,以将其封装并将其发送到网络设备。
    • 9. 发明申请
    • APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL FOR HANDOFF IN BROADCASTING NETWORK
    • 用于发送和接收信号以在广播网络中进行手动切换的装置和方法
    • US20100142481A1
    • 2010-06-10
    • US12632312
    • 2009-12-07
    • Hyoungsoo LIMHeung-Mook KIMSoo-In LEE
    • Hyoungsoo LIMHeung-Mook KIMSoo-In LEE
    • H04W36/00
    • H04W72/005
    • An apparatus for transmitting a signal for handoff in a transmitter of a broadcasting network where a plurality of center frequencies exist includes: a baseband broadcasting signal generation unit configured to generate a baseband broadcasting signal from broadcasting data to be transmitted; a transmitter identification signal sequence generation unit configured to generate a transmitter identification signal of the transmitter; a first transmission unit configured to combine the baseband broadcasting signal and the transmitter identification signal, and up-convert the combined signal to a center frequency of the transmitter; and a second transmission unit configured to modulate the transmitter identification signal, and up-convert the modulated transmitter identification signal to center frequencies of adjacent transmitters.
    • 一种用于在存在多个中心频率的广播网络的发射机中发送用于切换的信号的装置包括:基带广播信号生成单元,被配置为从要发送的广播数据生成基带广播信号; 发射机识别信号序列生成单元,被配置为生成发射机的发射机识别信号; 第一传输单元,被配置为组合基带广播信号和发射机识别信号,并将组合信号上变频到发射机的中心频率; 以及第二发送单元,被配置为调制发送器识别信号,并将调制的发送器识别信号上变频到相邻发送器的中心频率。