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    • 16. 发明公开
    • 무선 네트워크에서 전력 제어 방법
    • 在无线网络中管理电源的方法
    • KR1020080081880A
    • 2008-09-10
    • KR1020080075066
    • 2008-07-31
    • 엘지전자 주식회사
    • 전범진조현철김택수
    • H04B7/26
    • H04W52/0209H04W52/0225Y02D70/00
    • A power management method in a wireless network is provided to save the power of a device which executes communication in a wireless network and to change power mode smoothly. In case the second device tries to communicate with the first device which is in PS(Power Save) mode, the second device transmits a PMMC(Power Management Mode Change) request message to a coordinator in order to request the coordinator to change the power mode of the first device(S55). Receiving the PMMC request message, the coordinator broadcasts a beacon having PMMC information(S56). In case the MLME(MAC Layer Management Entity) of the first device receives the beacon, the MLME transmits a Wake-Up event signal to the DME(Device Management Entity) of the first device(S57). Receiving the Wake-Up event signal, the DME transmits a PS leaving request primitive to the MLME(S58). Based on the PS leaving request primitive, the MLME transmits a PMMC request message to the coordinator in order to request the coordinator to transfer the first device from PS mode to normal mode(S60). In case the coordinator accepts the first device's PMMC request, the coordinator transmits a PMMC response message to the MLME, including success information(S61).
    • 提供无线网络中的电源管理方法,以节省在无线网络中执行通信的设备的功率,并且平滑地改变功率模式。 在第二设备尝试与处于PS(节电)模式的第一设备通信的情况下,第二设备向协调器发送PMMC(电源管理模式改变)请求消息,以请求协调器改变功率模式 的第一设备(S55)。 接收到PMMC请求消息后,协调器广播具有PMMC信息的信标(S56)。 在第一设备的MLME(MAC层管理实体)接收到信标的情况下,MLME向第一设备的DME(设备管理实体)发送唤醒事件信号(S57)。 接收到唤醒事件信号,DME向MLME发送PS离开请求原语(S58)。 基于PS离开请求原语,MLME向协调器发送PMMC请求消息,以请求协调器将第一设备从PS模式传送到正常模式(S60)。 在协调器接受第一设备的PMMC请求的情况下,协调器向MLME发送PMMC响应消息,包括成功信息(S61)。
    • 17. 发明公开
    • 무선 네트워크에서 전력 제어 방법
    • 在无线网络中管理电源的方法
    • KR1020080033760A
    • 2008-04-17
    • KR1020060099890
    • 2006-10-13
    • 엘지전자 주식회사
    • 전범진조현철김택수
    • H04B7/26
    • H04W52/0235H04L12/12H04L12/403H04L12/417H04L2012/2841H04L2012/2849H04W68/02Y02D70/144Y02D70/162Y02D70/168Y02D70/00
    • A power control method in a radio network is provided to allow a user to quickly receive a response signal by changing a power mode. The first device receives the first beacon including power control mode change information from a coordinator. The first device changes a power control mode according to the power control mode change information. The second beacon including information indicating that the mode of the first device has been changed is received from the coordinator. The power control mode includes a normal mode and a power save mode. The power save mode includes an awake state in which data transmission/reception can be checked and a sleep state in which data transmission/reception is not available. The awake state is maintained while broadcasting a beacon(40) which includes PMMC(Power Management Mode Change) information.
    • 提供无线网络中的功率控制方法,以允许用户通过改变功率模式来快速接收响应信号。 第一设备从协调器接收包括功率控制模式改变信息的第一信标。 第一设备根据功率控制模式改变信息改变功率控制模式。 从协调器接收包括指示第一设备的模式已被改变的信息的第二信标。 功率控制模式包括正常模式和省电模式。 省电模式包括可以检查数据发送/接收的唤醒状态和数据发送/接收不可用的休眠状态。 当广播包括PMMC(电源管理模式改变)信息的信标(40))时,保持唤醒状态。
    • 18. 发明公开
    • 무선 네트워크에 있어서의 패킷화 장치, 역패킷화 장치,재생시간 처리 방법
    • 无线网络中的PACKETIZER,DEPACKETIZER和播放时间处理方法
    • KR1020080024310A
    • 2008-03-18
    • KR1020060088514
    • 2006-09-13
    • 엘지전자 주식회사
    • 김택수전범진조현철
    • H04W84/20H04N21/236H04N21/242
    • H04N21/242H04N21/236H04W84/18
    • A packetizer in a wireless network, a depacketizer therein, and a method for processing play time are provided to minimize retransmission, maximize efficiency and to apply to MAC layer and transmission layer by enabling a transmitting device, which can transmit an uncompressed HD(High Definition) video at a radio frequency of 60 GHz, to transmit a packet, or multiplexed audio/video data, to a receiving device together with play time information. A packetizer(20) in a wireless network comprises a multiplexing part(21), a play time information generating part(22), and a packetizing part(23). The multiplexing part(21), used in a transmitting device which can transmit an uncompressed HD video at a frequency of 60 GHz by wireless, multiplexes video data and audio data. The play time information generating part(22) periodically generates play time information which appoints the regeneration time of packet data. The packetizing part(23) packetizes the multiplexed audio/video data and inserts play time information, generated from the play time information generating part(22), in the packet data.
    • 提供无线网络中的分组器,其中的分组器,以及用于处理播放时间的方法,以最小化重传,最大限度地提高效率,并通过启用能够发送未压缩HD(高清晰度)的发送设备将其应用于MAC层和传输层 )视频,以便与播放时间信息一起将分组或复用的音频/视频数据发送到接收设备。 无线网络中的打包器(20)包括复用部分(21),播放时间信息产生部分(22)和打包部分(23)。 在可以通过无线传输60GHz频率的未压缩HD视频的发送设备中使用的复用部分(21)复用视频数据和音频数据。 播放时间信息生成部(22)周期性地生成指定分组数据的再生时间的播放时间信息。 打包部分(23)对复用的音频/视频数据进行打包,并将从播放时间信息产生部分(22)生成的播放时间信息插入到分组数据中。
    • 20. 发明公开
    • 통신 시스템에서 인터페이스를 위한 메시지 전송 및 수신방법
    • 传输和接收用于接口网络或设备的消息的方法
    • KR1020080021455A
    • 2008-03-07
    • KR1020060088439
    • 2006-09-13
    • 엘지전자 주식회사
    • 전범진조현철김택수
    • H04L1/12
    • H04L1/1635H04L1/1671
    • A method for transmitting and receiving an interface message is provided to realize a reliable communication between wireless and wire networks by suppressing a message transmission delay. An interface message is used to interface between wire and wireless networks. A second message containing a portion of a first message is transmitted to the wireless network. The first message is received from the wire network. An ACK signal for the first message is transmitted to the wire network. An ACK/NACK signal for the second message is transmitted from the wireless network. The first message is buffered for a predetermined interval. The ACK/NACK signal for the second message is an ACK signal. The first message is transmitted to the wireless network which receives the ACK signal for the first message.
    • 提供一种发送和接收接口消息的方法,通过抑制消息传输延迟来实现无线和有线网络之间的可靠通信。 接口消息用于有线和无线网络之间的接口。 包含第一消息的一部分的第二消息被发送到无线网络。 从有线网络接收到第一条消息。 第一个消息的ACK信号被发送到有线网络。 从无线网络发送用于第二消息的ACK / NACK信号。 第一个消息被缓冲预定的间隔。 第二消息的ACK / NACK信号是ACK信号。 第一个消息被发送到接收第一消息的ACK信号的无线网络。