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    • 2. 发明授权
    • Method and apparatus for establishing secured link between devices
    • 用于在设备之间建立安全链路的方法和装置
    • US08661244B2
    • 2014-02-25
    • US13314871
    • 2011-12-08
    • Soo-yeon JungHae-young JunHyuk-choon KwonHo-dong KimDong-seek Park
    • Soo-yeon JungHae-young JunHyuk-choon KwonHo-dong KimDong-seek Park
    • H04L29/06
    • H04W12/08H04L9/083H04L63/0869H04L63/0884
    • A method and apparatus for establishing a secured link between devices. In the establishing of the secured link, a coordinator respectively receives from the first and second devices first pairing information indicating that a first device is to establish a secured link and second pairing information indicating that a second device is to establish a secured link. The coordinator further receives via a first secured link established between the first device and the coordinator shared secured information. The shared secured information is shared between the first and second devices. The coordinator establishes a second secured link with the second device based on the shared secured information; and broadcasts partner notice information indicating that the first and second devices are partner devices. The broadcast partner notice information is then used to establish a third secured link.
    • 一种用于在设备之间建立安全链路的方法和装置。 在建立安全链路时,协调器分别从第一和第二设备接收首先配对指示第一设备建立安全链路的信息,以及指示第二设备建立安全链路的第二配对信息。 协调器还经由在第一设备和协调器之间建立的第一安全链路共享安全信息进行接收。 共享的安全信息在第一和第二设备之间共享。 协调器基于共享的安全信息与第二设备建立第二安全链路; 并广播指示第一和第二设备是伙伴设备的合作伙伴通知信息。 然后,广播伙伴通知信息用于建立第三个安全链接。
    • 3. 发明授权
    • Method and apparatus for performing hand-over
    • 执行切换的方法和装置
    • US08638754B2
    • 2014-01-28
    • US13034124
    • 2011-02-24
    • Hyuk-choon KwonHae-young JunHo-dong KimDong-seek ParkSoo-yeon Jung
    • Hyuk-choon KwonHae-young JunHo-dong KimDong-seek ParkSoo-yeon Jung
    • H04W4/00
    • H04W36/14H04W8/22H04W36/00H04W48/08H04W48/16H04W60/00H04W84/20
    • A method of performing hand-over in a personal basic service set (PBSS) including a plurality of stations and one coordinator is provided. An association request frame comprising PCP capability information, and requesting to associate to the PBSS, is received from each of the stations. The PCP capability information comprises information regarding at least one of whether each of the stations supports a power source capability of continuous power supply, whether each of the stations supports a channel time allocation function, and whether each of the stations supports a network clustering function. An association response frame, indicating whether the association request received from each of the stations is approved, is transmitted to each of the stations, and a priority to be a coordinator of the stations is determined based on the PCP capability information. Hand-over is performed with one of the stations according to the determined priority.
    • 提供了一种在包括多个站和一个协调器的个人基本服务集(PBSS)中执行切换的方法。 从每个站接收包括PCP能力信息并请求与PBSS相关联的关联请求帧。 PCP能力信息包括关于每个站是否支持连续电源的电源能力,每个站是否支持信道时间分配功能以及每个站是否支持网络聚类功能中的至少一个的信息。 指示从每个站接收的关联请求是否被批准的关联响应帧被发送到每个站,并且基于PCP能力信息来确定要成为站的协调器的优先级。 根据确定的优先级,其中一个站执行切换。
    • 8. 发明授权
    • Video coding and decoding methods
    • 视频编码和解码方法
    • US06744816B1
    • 2004-06-01
    • US09432426
    • 1999-11-02
    • Dong-seek ParkKook-yeol Yoo
    • Dong-seek ParkKook-yeol Yoo
    • H04B166
    • H04N21/658H04N19/37H04N19/66H04N19/68H04N19/89H04N21/6377
    • Video coding and decoding methods. The video coding method includes: receiving channel status information indicating an error profile of the communication channel; and adaptively adding redundancy information into data packets divided by syntax with a layer configuration, based on the channel status information. The video decoding method includes: receiving an encoded video bitstream; identifying whether an additional layer is present and which layer has been added; and decoding corresponding layers based on the information about the additional layer. The video coding and decoding methods can be implemented in a video coder-decoder (CODEC) to avoid erroneous decoding in an error-prone channel, thus improving error-resilience of the CODEC.
    • 视频编码和解码方法。 视频编码方法包括:接收指示通信信道的错误简档的信道状态信息; 并且基于信道状态信息,将冗余信息自适应地添加到具有层配置的语法划分的数据分组中。 视频解码方法包括:接收编码视频位流; 识别是否存在附加层和添加了哪个层; 并且基于关于附加层的信息来解码对应的层。 视频编码和解码方法可以在视频编码解码器(CODEC)中实现,以避免在容易出错的频道中的错误解码,从而提高编解码器的错误恢复能力。
    • 9. 再颁专利
    • Error prevention method for multimedia data
    • 多媒体数据的错误预防方法
    • USRE40661E1
    • 2009-03-10
    • US09996086
    • 2001-09-21
    • Dong-seek ParkJohn VillasenorFeng ChenMax LuttrellBrendan Dowling
    • Dong-seek ParkJohn VillasenorFeng ChenMax LuttrellBrendan Dowling
    • G06F11/00
    • H04L1/0059H03M13/00H03M13/23H03M13/35H03M13/6306H03M13/6375H04L1/0045H04L1/0068H04L1/1816H04L1/1819H04L1/1825H04L1/1845
    • An error protection method for multimedia improves data recovery and channel throughput in channels which cause a random error and a burst error by using a rate compatible punctured convolutional code (RCPC) and an automatic retransmission on request (ARQ). In a process of decoding a plurality of packets of given information, the error protection method includes the steps of a) decoding one of the plurality of packets, b) decoding another packet when an error occurs during the decoding in step a), c) decoding a combination of the packets from steps a) and b) or a third packet when an error occurs in step b), and d) repeating step c) until the decoding error no longer occurs. The error protection method has the characteristics of both Type-1 and Type-2 ARQ methods. Therefore, one can obtain constant channel throughput in a channel containing burst errors, a channel containing random errors, and a channel in which the two types of error patterns coexist simultaneously.
    • 用于多媒体的错误保护方法通过使用速率兼容的穿孔卷积码(RCPC)和根据请求的自动重发(ARQ)来改善导致随机错误和突发错误的信道中的数据恢复和信道吞吐量。 在解码给定信息的多个分组的过程中,所述错误保护方法包括以下步骤:a)对所述多个分组中的一个进行解码; b)在步骤a)中的解码期间发生错误时对另一分组进行解码; c) 在步骤b)中解码来自步骤a)和b)或第三分组的分组的组合,以及d)重复步骤c),直到解码错误不再发生。 错误保护方法具有Type-1和Type-2 ARQ方法的特点。 因此,可以在包含突发错误的信道,包含随机错误的信道以及两种类型的错误模式同时共存的信道中获得恒定的信道吞吐量。