Abstract
Method and System for Utilization of an Outer Decoder in a Broadcast Services Communication System is described. Information to be transmitted is provided to a systematic portion of a plurality of transmit buffers and encoded by an outer decoder communicatively coupled to the transmit buffer. The resulting redundant bits are provided to a parity portion of each transmit buffer. The content of the transmit buffers is multiplexed and encoded by an inner decoder to improve protection by adding redundancy. The receiving station recovers the transmitted information by an inverse process. Because a decoding complexity depends on the size of a systematic portion of the transmit buffer reasoned compromise between a systematic portion size and number of transmit buffers yields decreased decoding complexity.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
3G | 25/05/2010 | ISLD-201007-015 | QUALCOMM INC | Yes | Family Member | ||||
Not Available | 25/05/2010 | ISLD-201007-015 | QUALCOMM INC | Yes | Family Member | ||||
5G,4G,3G | 28/02/2011 | ISLD-201104-002 | QUALCOMM INC | Yes | Family Member | ||||
Not Available | 28/02/2011 | ISLD-201104-002 | QUALCOMM INC | Yes | Family Member | ||||
5G | 15/03/2022 | ISLD-202203-095 | QUALCOMM INC | No | Family Member |
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US7649829B2 | 5G | 15/03/2022 | ISLD-202203-095 | QUALCOMM INC | Yes | Basis Patent | ||||
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Technologies

Product
Use Cases


Services
Claim
1. An encoding method, the method comprising:
encoding systematic bits contained in each of a plurality of buffers (304) with a Reed-Solomon code;
multiplexing content of the plurality of buffers (304); and
encoding said multiplexed content with a further code to provide a set of frames;
wherein each buffer (304) comprises a systematic buffer (306) and the systematic buffers (306) are used
for storing systematic data before Reed-Solomon encoding, as uncoded data, and
for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.', 'encoding systematic bits contained in each of a plurality of buffers (304) with a Reed-Solomon code;', 'multiplexing content of the plurality of buffers (304); and', 'encoding said multiplexed content with a further code to provide a set of frames;', 'wherein each buffer (304) comprises a systematic buffer (306) and the systematic buffers (306) are used
for storing systematic data before Reed-Solomon encoding, as uncoded data, and
for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.', 'for storing systematic data before Reed-Solomon encoding, as uncoded data, and', 'for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.
2. The method as claimed in claim 1 wherein said multiplexing content of the plurality of buffers (304) comprises:
providing a block of bits successively from each of the plurality of buffers (304).', 'providing a block of bits successively from each of the plurality of buffers (304).
3. The method as claimed in claim 2 wherein said systematic buffers comprise rows and columns forming a matrix and said providing a block of bits successively from each of the plurality of buffers (304) comprises:
providing a block of bits comprising a row of each of the plurality of buffers (304).', 'providing a block of bits comprising a row of each of the plurality of buffers (304).
4. The method as claimed in claim 1, wherein said buffers are a plurality of transmit buffers (304) and wherein said method further comprises
transmitting the set of frames;
decoding received frames by a first decoder;
de-multiplexing a correctly decoded frame to a plurality of receive buffers (322); and
processing content of each received buffer (304).', 'transmitting the set of frames;', 'decoding received frames by a first decoder;', 'de-multiplexing a correctly decoded frame to a plurality of receive buffers (322); and', 'processing content of each received buffer (304).
5. The method as claimed in claim 4 wherein said processing content of each receive buffer (322) comprises:
providing the systematic portion (324) of each buffer to higher layers.', 'providing the systematic portion (324) of each buffer to higher layers.
6. The method as claimed in claim 4 wherein said de-multiplexing the correctly decoded frame to a plurality of receive buffers (322) comprises providing a block of bits belonging to a buffer to the buffer.
7. The method as claimed in claim 6 wherein said block of bits comprises a frame decoded by the first decoder.
8. The method as claimed in claim 4 further comprising:
providing indication of an erasure to a second decoder (328) communicatively coupled to the receive buffer (322) that would receive the correctly decoded frame if the frame failed to decode correctly.', 'providing indication of an erasure to a second decoder (328) communicatively coupled to the receive buffer (322) that would receive the correctly decoded frame if the frame failed to decode correctly.
9. The method as claimed in claim 8 wherein said processing content of each buffer comprises:
decoding the systematic portion (324) of the buffer by said second decoder when the systematic portion is recoverable; and
providing the systematic portion (324) of each buffer to higher layers.', 'decoding the systematic portion (324) of the buffer by said second decoder when the systematic portion is recoverable; and', 'providing the systematic portion (324) of each buffer to higher layers
10. A method for decoding, comprising:
decoding received frames by a first decoder (318) to obtain encoded Reed-Solomon code words contained in the received frames;
de-multiplexing said decoded frames to a plurality of buffers (322); and
processing content of each of the plurality of buffers (322), wherein said processing content comprises decoding a systematic portion (324) of the encoded Reed-Solomon code words stored in the buffer (322) by a second decoder (328) when the systematic portion is recoverable;
wherein each buffer (322) comprises a systematic buffer (324) and the systematic buffers (322) are used
for storing said systematic portion, such that said de-multiplexing is performed directly into the plurality of buffers (322), and
for storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328).', 'decoding received frames by a first decoder (318) to obtain encoded Reed-Solomon code words contained in the received frames;', 'de-multiplexing said decoded frames to a plurality of buffers (322); and', 'processing content of each of the plurality of buffers (322), wherein said processing content comprises decoding a systematic portion (324) of the encoded Reed-Solomon code words stored in the buffer (322) by a second decoder (328) when the systematic portion is recoverable;', 'wherein each buffer (322) comprises a systematic buffer (324) and the systematic buffers (322) are used', 'for storing said systematic portion, such that said de-multiplexing is performed directly into the plurality of buffers (322), and', 'for storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328)
11. The method as claimed in claim 10 wherein said processing content of each of the plurality of buffers (322) comprises:
providing the systematic portion (324) of each of the plurality of buffers (322) to higher layers.', 'providing the systematic portion (324) of each of the plurality of buffers (322) to higher layers
12. The method as claimed in claim 10 further comprising:
providing indication of an erasure to said second decoder (328) communicatively coupled to the buffer (322) that would receive the correctly decoded frame if the frame failed to decode correctly.', 'providing indication of an erasure to said second decoder (328) communicatively coupled to the buffer (322) that would receive the correctly decoded frame if the frame failed to decode correctly
13. The method as claimed in claim 12 wherein said processing content of each of the plurality of buffers (322) comprises:
providing the systematic portion (324) of each of the plurality of buffer to higher layers.', 'providing the systematic portion (324) of each of the plurality of buffer to higher layers
14. An apparatus for encoding, comprising:
a plurality of buffers (304);
a plurality of Reed-Solomon encoders (310), each of said plurality of Reed-Solomon encoders (310) being communicatively coupled to one of said plurality of buffers (304);
a multiplexer (312) communicatively coupled to said plurality of buffers (306); and
an inner encoder communicatively coupled to said multiplexer (312);
wherein each buffer (304) comprises a systematic buffer (306) and the systematic buffers (306) are used
for storing systematic data before Reed-Solomon encoding, as uncoded data, and
for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.', 'a plurality of buffers (304);', 'a plurality of Reed-Solomon encoders (310), each of said plurality of Reed-Solomon encoders (310) being communicatively coupled to one of said plurality of buffers (304);', 'a multiplexer (312) communicatively coupled to said plurality of buffers (306); and', 'an inner encoder communicatively coupled to said multiplexer (312);', 'wherein each buffer (304) comprises a systematic buffer (306) and the systematic buffers (306) are used', 'for storing systematic data before Reed-Solomon encoding, as uncoded data, and', 'for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.15. The apparatus as claimed in claim 14 wherein each of said plurality of encoders (310) is configured to:
store systematic bits and parity bits (308).', 'store systematic bits and parity bits (308).16. The apparatus as claimed in claim 14 wherein each of said plurality of encoders (310) is configured to:
encode systematic bits to provide parity bits (308).', 'encode systematic bits to provide parity bits (308).17. The apparatus as claimed in claim 16 wherein each of said plurality of encoders (310) is configured to:
encode the systematic bits with a block code.', 'encode the systematic bits with a block code.18. The apparatus as claimed in claim 14 wherein said multiplexer (312) is configured to:
provide a block of bits successively from each of said plurality of buffers (304) to said inner encoder.', 'provide a block of bits successively from each of said plurality of buffers (304) to said inner encoder.19. The apparatus as claimed in claim 18 wherein said block of bits comprises a row of said buffer (303).
20. The apparatus as claimed in claim 14 wherein said inner encoder is configured to encode a block of bits to be encoded with an inner code.
21. The apparatus as claimed in claim 20 wherein said block of bits to be encoded comprises:
a block of bits received from said multiplexer (312).', 'a block of bits received from said multiplexer (312).
22. The apparatus as claimed in claim 14 wherein said buffers are a plurality of transmit buffers (304); said apparatus further comprising:
a first decoder;
a de-multiplexer (320) communicatively coupled to said de-multiplexer (320); and
a plurality of second decoders (328), each of said plurality of second decoders being communicatively coupled to one of said plurality of receive buffers (322).', 'a first decoder;', 'a de-multiplexer (320) communicatively coupled to said de-multiplexer (320); and', 'a plurality of second decoders (328), each of said plurality of second decoders being communicatively coupled to one of said plurality of receive buffers (322).
23. The apparatus as claimed in claim 22 wherein each of said plurality of transmit buffers (304) is configured to:
store systematic bits and parity bits.', 'store systematic bits and parity bits.
24. The apparatus as claimed in claim 22 wherein each of said plurality of second encoders (328) is configured to:
encode the systematic bits with a Reed-Solomon code.', 'encode the systematic bits with a Reed-Solomon code.
25. The apparatus as claimed in claim 22 wherein said first decoder is configured to:
decode a received frame;
provide a correctly decoded frame, and
provide indication of an erasure if the received frame failed to decode correctly.', 'decode a received frame;', 'provide a correctly decoded frame, and', 'provide indication of an erasure if the received frame failed to decode correctly.
26. The apparatus as claimed in claim 22 wherein said de-multiplexer (320) is configured to provide a block of bits belonging to a buffer to the buffer.
27. The apparatus as claimed in 22 wherein said block of bits belonging to a buffer comprises:
a block of bits comprising a frame decoded by said first decoder.', 'a block of bits comprising a frame decoded by said first decoder.
28. The apparatus as claimed in claim 22 wherein each of said plurality of second decoders (328) is configured to:
decode the systematic portion (324) of the buffer by an outer code when the systematic portion is recoverable.', 'decode the systematic portion (324) of the buffer by an outer code when the systematic portion is recoverable.
29. The apparatus as claimed in claim 22 wherein each of said plurality of buffers (322) is configured to:
provide the decoded systematic portion (324) of the buffer to higher layers.', 'provide the decoded systematic portion (324) of the buffer to higher layers.
30. The apparatus as claimed in claim 22 wherein each of said plurality of second encoders (328) is configured to:
encode systematic bits to provide parity bits.', 'encode systematic bits to provide parity bits.
31. The apparatus as claimed in claim 30 wherein each of said plurality of second encoders (328) is configured to:
encode the systematic bits with a block code.', 'encode the systematic bits with a block code.
32. The apparatus as claimed in claim 22 wherein said multiplexer (312) is configured to:
provide a block of bits successively from each of said plurality of transmit buffers (304) to said inner encoder.', 'provide a block of bits successively from each of said plurality of transmit buffers (304) to said inner encoder.
33. The apparatus as claimed in claim 32 wherein said block of bits comprises a row of said buffer.
34. The apparatus as claimed in claim 32 wherein said inner encoder is configured to encode a block of bits to be encoded with an inner code.
35. The apparatus as claimed in claim 34 wherein the block of bits to be encoded comprises:
a block of bits received from said multiplexer (312).', 'a block of bits received from said multiplexer (312).
36. An apparatus for decoding, comprising:
a first decoder (318) for decoding received frames to obtain encoded Reed-Solomon code words contained in the received frames;
a de-multiplexer (320) communicatively coupled to said first decoder (318) for de-multiplexing the decoded received frames;
a plurality of buffers (322) communicatively coupled to said de-multiplexer (320); and
a plurality of second decoders (328), each of said plurality of second decoders being communicatively coupled to one of said plurality of buffers (322) and is configured to decode a systematic portion (324) of the encoded Reed-Solomon code words in the buffer when the systematic portion is recoverable;
wherein each buffer (322) comprises a systematic buffer (324) and the systematic buffers (322) are used for
storing each systematic portion of the encoded Reed-Solomon code words contained in the received frames, such that said de-multiplexing is performed directly into the plurality of buffers (322) and
storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328).', 'a first decoder (318) for decoding received frames to obtain encoded Reed-Solomon code words contained in the received frames;', 'a de-multiplexer (320) communicatively coupled to said first decoder (318) for de-multiplexing the decoded received frames;', 'a plurality of buffers (322) communicatively coupled to said de-multiplexer (320); and', 'a plurality of second decoders (328), each of said plurality of second decoders being communicatively coupled to one of said plurality of buffers (322) and is configured to decode a systematic portion (324) of the encoded Reed-Solomon code words in the buffer when the systematic portion is recoverable;', 'wherein each buffer (322) comprises a systematic buffer (324) and the systematic buffers (322) are used for
storing each systematic portion of the encoded Reed-Solomon code words contained in the received frames, such that said de-multiplexing is performed directly into the plurality of buffers (322) and
storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328).', 'storing each systematic portion of the encoded Reed-Solomon code words contained in the received frames, such that said de-multiplexing is performed directly into the plurality of buffers (322) and', 'storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328).
37. The apparatus as claimed in claim 36 wherein said first decoder is configured to:
decode a received frame;
provide a correctly decoded frame; and
provide indication of an erasure if the received frame failed to decode correctly.', 'decode a received frame;', 'provide a correctly decoded frame; and', 'provide indication of an erasure if the received frame failed to decode correctly.
38. The apparatus as claimed in claim 36 wherein each of said plurality of buffers (322) is configured to:
provide the decoded systematic portion (324) to higher layers.', 'provide the decoded systematic portion (324) to higher layers.
39. The apparatus claimed in claim 36 wherein said de-multiplexer (320) is configured to provide a block of bits belonging to a buffer to the buffer (322).
40. The apparatus as claimed in claim 39 wherein said block of bits belonging to a buffer comprises:
a block of bits comprising a frame decoded by said first decoder.', 'a block of bits comprising a frame decoded by said first decoder.
41. An apparatus for encoding, comprising:
means for encoding systematic bits contained in each of a plurality of buffers (304) with a Reed-Solomon code;
means for multiplexing content of the plurality of buffers (304); and
means for encoding said multiplexed content with a further code to provide a set of frames;
wherein each buffer (304) comprises a systematic buffer (306) and the systematic buffers (306) are used
for storing systematic data before Reed-Solomon encoding, as uncoded data, and
for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.', 'means for encoding systematic bits contained in each of a plurality of buffers (304) with a Reed-Solomon code;', 'means for multiplexing content of the plurality of buffers (304); and', 'means for encoding said multiplexed content with a further code to provide a set of frames;', 'wherein each buffer (304) comprises a systematic buffer (306) and the systematic buffers (306) are used', 'for storing systematic data before Reed-Solomon encoding, as uncoded data, and', 'for storing a systematic portion of the encoded Reed-Solomon code words after Reed-Solomon encoding, such that said multiplexing is performed directly on the buffer content.
42. A non-transitory computer readable medium encoded with a computer program, the computer program comprising instructions executable to:
decode received frames by a first decoder (318) to obtain encoded Reed-Solomon code words contained in the received frames;
de-multiplex said decoded frames to a plurality of buffers (322); and
process content of each of the plurality of buffers (322), wherein said processing content comprises decoding a systematic portion (324) of the encoded Reed-Solomon code words stored in the buffer (322) by a second decoder (328) when the systematic portion is recoverable;
wherein each buffer (322) comprises a systematic buffer (324) and the systematic buffers (322) are used
for storing said systematic portion, such that said de-multiplexing is performed directly into the plurality of buffers (322), and
for storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328).', 'decode received frames by a first decoder (318) to obtain encoded Reed-Solomon code words contained in the received frames;', 'de-multiplex said decoded frames to a plurality of buffers (322); and', 'process content of each of the plurality of buffers (322), wherein said processing content comprises decoding a systematic portion (324) of the encoded Reed-Solomon code words stored in the buffer (322) by a second decoder (328) when the systematic portion is recoverable;', 'wherein each buffer (322) comprises a systematic buffer (324) and the systematic buffers (322) are used', 'for storing said systematic portion, such that said de-multiplexing is performed directly into the plurality of buffers (322), and', 'for storing said decoded systematic portion (324), after said systematic portion (324) has been decoded by said second decoder (328).']
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SUMMARY
ClaimChart-US8713400B2-STO
Patent number:US8713400B2
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.