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91. 发明公开

EP1766924A1 ENCAPSULATOR AND AN ASSOCIATED METHOD AND COMPUTER PROGRAM PRODUCT FOR ENCAPSULATING DATA PACKETS 有权
标题翻译：密封剂和相关方法和计算机程序产品用于封装数据分组的
公开(公告)号：EP1766924A1
公开(公告)日：2007-03-28
申请号：EP05757205.9
申请日：2005-06-27
申请人： Nokia Corporation
发明人： VESMA, Jussi , PEKONEN, Harri , BORSOS, András
IPC分类号： H04L29/06
CPC分类号： H04L1/0068 , H04L1/0057 , H04L2212/00 , H04W28/06
摘要： A method for encapsulating at least one data packet includes fitting at least one data packet into at least one column of an application data table of an array that also includes a coding data table having at least one column. Then, at least one remaining column of the application data table is filled with padding, and coding data is fit into at least one column of the coding data table of the array. At least one column of coding data is punctured based upon a comparison of a bit rate of incoming data packets and a threshold bit rate, with at least one column of coding data remaining after puncturing the column(s) of coding data. And after puncturing the column(s) of coding data, the data packet(s) in the column(s) of the application data table, and the at least one remaining column of coding data, are encapsulated.

92. 发明公开

EP1762031A1 FORWARD ERROR CORRECTION DECODERS 审中-公开
标题翻译：前向纠错解码
公开(公告)号：EP1762031A1
公开(公告)日：2007-03-14
申请号：EP05709044.1
申请日：2005-03-18
申请人： Nokia Corporation
发明人： VESMA, Jussi , PEKONEN, Harri
IPC分类号： H04L1/00 , H04N7/66 , H03M13/03
CPC分类号： H03M13/293 , H03M13/09 , H03M13/15 , H03M13/1515 , H03M13/6356 , H03M13/6362 , H04L1/0052 , H04L1/0057
摘要： An erasure information table includes one element for each column of a data frame, stored in an IP datagram buffer 66 and in an RS data buffer 67, instead of an element for each element of that column. Thus, CRC checking is performed against datagrams, instead of individual elements, of a received data frame, and effective error correction can be carried out by a Reed Solomon decoder 69. The effectiveness of the error correction is decreased since errors will be indicated as being present when actually an error is present in another row. The amount of memory needed to store the erasure information though is reduced. In another embodiment (Figures 9 and 10), a linked list includes an element for each series of datagrams which have the same error status (i.e. reliable or unreliable). Each element includes the start address of the first datagram in that sequence and indicates the error status. Different lists may be used for application data and for parity data.

93. 发明公开

EP1680927A1 FORWARD ERROR CORRECTION DECODERS 有权
标题翻译：前向纠错解码
公开(公告)号：EP1680927A1
公开(公告)日：2006-07-19
申请号：EP04791818.0
申请日：2004-10-26
申请人： Nokia Corporation
发明人： VESMA, Jussi , PEKONEN, Harri
IPC分类号： H04N7/66 , H03M13/15
CPC分类号： H04L1/0045 , H03M13/1515 , H03M13/373
摘要： Elements of a coding table which are error-free are found at S2. At S3, corresponding elements in an erasure information table are completed, indicating that the elements in the coding array are correct. A counter is initialised at Nmax, which is the maximum number of errors that can be corrected, at S4. At S5, the row of the erasure information table is scanned beginning from the first parity column for empty elements. Each empty parity date element of the erasure information table row is marked as incorrect at S7For each such element, the counter is decremented at S8. At S9, the elements of the erasure information table are scanned from the first column of the application data and zero padding section for empty elements. At step S11, an empty element is marked as incorrect. At step S12, the counter is then decremented. It is determined at step S13 whether or not the counter is equal to zero. When the counter becomes is equal to zero, operation proceeds to step S14 where the decoder operates to fill remaining empty elements in the erasure information row as correct. Thus, whilst the count of incorrect elements for the row has not exceeded a maximum and whilst empty elements remain, empty elements of the erasure table row are marked as incorrect beginning with parity data elements and then continuing from the application data end.

94. 发明公开

EP1516456A1 PACKET IDENTIFIER SEARCH FILTERING 有权
标题翻译：包标识符搜索过滤
公开(公告)号：EP1516456A1
公开(公告)日：2005-03-23
申请号：EP03732817.6
申请日：2003-06-20
申请人： Nokia Corporation
发明人： PEKONEN, Harri
IPC分类号： H04L12/28
CPC分类号： H04N21/23614 , H04L12/2801 , H04L29/06027 , H04L29/12009 , H04L61/00 , H04L65/608 , H04N21/23608 , H04N21/2389 , H04N21/4344 , H04N21/4348 , H04N21/4385
摘要： A broadband digital broadcast receiver and methods are provided for processing Internet protocol data. Transport stream packets are analyzed to determine whether they contain Internet protocol data addressed to a desired Internet protocol address. When a transport stream packet does contain the desired Internet protocol data, a transport stream filter is configured to filter additional transport stream packets according to a packet identifier value.

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