Access point for improved content delivery system
    3.
    发明专利
    Access point for improved content delivery system 有权
    改进内容传送系统的访问点

    公开(公告)号:JP2013118666A

    公开(公告)日:2013-06-13

    申请号:JP2013003833

    申请日:2013-01-11

    Abstract: PROBLEM TO BE SOLVED: To provide a subscription-based distribution service that distributes media contents to a portable device (PMP) via geographically positioned kiosks that support wireless access points.SOLUTION: Coordination between subscribing users of PMPs, vendors who provide kiosks, and a network central controller of a content distribution system allows for: pre-positioning of video content at the kiosks through economically desirable low data rate communication links from a network (dial-up modem, DSL, etc.); coordinated queuing of downloads (partial downloads) between a kiosk to a PMP, P2P downloading between PMPs, and uploads from a PMP to a kiosk; billing/crediting to correspond with such participation in the distribution; and changing priority/selection of pre-positioning of contents at the kiosks to reflect a clientele profile.

    Abstract translation: 要解决的问题:提供基于订阅的分发服务,其通过支持无线接入点的地理定位的信息亭将媒体内容分发到便携式设备(PMP)。 解决方案:提供PMP的订阅用户,提供信息亭的供应商和内容分发系统的网络中央控制器之间的协调允许:通过经济上期望的来自网络的低数据速率通信链路在信息亭预先定位视频内容 (拨号调制解调器,DSL等); 协调排队在Kiosk到PMP之间的下载(部分下载),PMP之间的P2P下载以及从PMP到Kiosk的上传; 结算/贷记对应于参与分配; 并且在信息亭上改变内容预定位的优先级/选择以反映客户端配置文件。 版权所有(C)2013,JPO&INPIT

    MULTIRATE SERIAL VITERBI DECODER FOR CODE DIVISION MULTIPLE ACCESS SYSTEM APPLICATIONS.

    公开(公告)号:MY113287A

    公开(公告)日:2002-01-31

    申请号:MYPI19942519

    申请日:1994-09-21

    Applicant: QUALCOMM INC

    Abstract: A VITERBI DECODER (50) FOR RECOVERING THE ORIGINAL BIT DATA STREAM THAT WAS CONVOLUTIONALLY ENCODED AS A CODE SYMBOL STREAM IN A CODE DIVISION MULTIPLE ACCESS (CDMA) MOBILE COMMUNICATION SYSTEM. THE DECODER SIMULTANEOUSLY DECODES AT THE SEVERAL DATA RATES ASSOCIATED WITH CERTAIN MULTIRATE VOCODERS. THE DECODER CAN DECODE AT AN UNKNOWN DATA RATE IN EITHER CONTINUOUS OR FRAMED PACKET MODES. IT ACCOMPLISHES THIS BY SIMULTANEOUSLY DECODING AT MULTIPLE RATES AND BY CREATING ONE OR MORE DATA QUALITY METRICS FOR EACH DECODED DATA PACKET. SPECAIL INPUT AND OUTPUT BUFFERING IS PROVIDED TO ISOLATE THE DECODER FROM SYSTEM TIMING CONSTRAINTS. THE INPUT BUFFER (48) INCLUDES SELECTION AND ACCUMULATION LOGIC TO ORGANIZE CODE SYMBOL DATA INTO THE PACKET ORDER FOR REPEAT MODE OR RANDOM BURST MODE AT LOWER FRAME DATA RATES. DECODED DATA PACKETS FOR EACH OF SEVERAL PREDETERMINED DATA TRANSFER RATES ARE HELD IN AN OUTPUT BUFFER (54) FOR ABOUT HALF OF THE DECODING CYCLE, THEREBY PERMITTING THE SYSTEM MICROPROCESSOR TO EXAMINE AND SELECT THE APPROPRIATE DECODED DATA PACKET. THE DECODER (50) ALSO CAN BE RECONFIGURED TO OPERATE AT ANY ONE OF SEVERAL PREDETERMINED CONVOLUTIONAL ENCODING ALGORITHMS. THE VITERBI DECODER (50), IMPLEMENTED AS A SINGLE MONOLITHIC INTEGRATED CIRCUIT, CAN BE USED IN ANY AND ALL OF MANY DIFFERENT MULTIUSER TELECOMMUNICATIONS CHANNELS.FIGURE 5

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