The way digital audio broadcasting using stitching convolutional code

 

The invention relates to radio broadcasting. The method encodes the material programs using convolutional codes with narashivanie bits and put the bits and modulates orthogonally multiplexed frequency division, carrier signals using convolutional codes. Narashivanie bits are transferred first group of the bearing, and put the bits are transferred to the second group of bearing, where the first group of carrier signals is less susceptible to interference than the second group of carrier signals. Then carrier signals are broadcast to the receivers that determine were distorted carrier signals in the second group, and erase stitching bits carried by any of the load-bearing signals, which have been identified as distorted. Stitched codes subsequently decode, to restore the material programs. The technical result consists in the elimination of inhomogeneous noise through special coding and processing errors. 10 c. and 19 C.p. f-crystals, 6 ill.

Description text in facsimile form (see graphic part).

Claims

1. Way radio, includes the steps of encoding material programs using SmartOnline, multiplexed frequency division carrying signals (80) using the convolution codes, whereby the mentioned narashivanie bits are transferred first group (30) of the said bearing signals, and referred to sew bits are transferred to the second group (28) bearing signals, and referred to the first group of carrier signals is less susceptible to interference than said second group of carrier signals, and transmit mentioned carrier signals.

2. The method according to p. 1, characterized in that the take-mentioned carrier signals (80), determine if the distorted carrier signals in said second group, erase stitching bits carried by any of the mentioned bearing, which were defined as distorted, to develop stitched codes and decode mentioned convolutional codes.

3. The method according to p. 2, characterized in that when determining whether carrier signals in said second group are distorted, estimate the inhomogeneous interference, which were subjected carrier signals in said second group of carrier signals.

4. The method according to p. 1, characterized in that the various parts of the above-mentioned material of the program code in the above stitching bits and mentioned a non-bit control mode.

6. The method according to p. 4, characterized in that the said stitching bits contain audio information, as mentioned narashivanie bits contain data.

7. The method according to p. 1, characterized in that the said convolutional codes are compatible frequency convolutional codes.

8. The method according to p. 1, characterized in that the take-mentioned carrier signals (80), determine if the distorted carrier signals in said second group, weighed referred to sew bits in accordance with the signal-to-noise ratio for each carrier signal in said second group of carrier signals, and decode mentioned convolutional codes.

9. The method according to p. 1, characterized in that the said convolutional codes are systematic codes.

10. The method according to p. 1, characterized in that peremeshivayte mentioned convolutional codes among the above-mentioned bearing signals.

11. The method according to p. 10, characterized in that when the alternation mentioned convolutional codes among the above-mentioned bearing signals is divided into sections referred to convolutional codes.

12. The method according to p. 11, characterized in that they are broken into sections convolutional codes in the above-mentioned carrier signals.

13. The method according to p. 1, characterized in that povernei side band radio channel, additionally encode mentioned material programs using complementary convolutional codes with narashivanie bits and put the bits modulate the second set orthogonally multiplexed frequency division carrying signals (80) in the lower side band referred to the broadcasting channel using the complementary convolutional codes, whereby the mentioned narashivanie bits mentioned complementary convolutional codes are transferred to the first group (30) of the said bearing signals, and referred to sew bits are transferred to the second group mentioned second number of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference than the above-mentioned second group mentioned second number of carrier signals, and transmit the aforementioned second set of carrier signals.

14. The wireless transmitter (48), characterized in that it contains means (58) for encoding material programs, using convolutional codes with narashivanie bits and put the bits means (64) for modulation of multiple orthogonal multiplexed with the frequency separation is transferred to the first group (30) of the said carrier signals, as mentioned stitching bits are transferred to the second group (28) bearing signals, and referred to the first group of carrier signals is less susceptible to interference than said second group of carrier signals, and means (68) for broadcast mentioned bearing signals.

15. The wireless transmitter (48) p. 14, characterized in that it contains means (58) for encoding the above-mentioned material programs using complementary convolutional codes with narashivanie bits and put the bits means (64) for modulation of the second set of orthogonally multiplexed frequency division carrying signals (80) using the complementary convolutional codes, whereby the mentioned narashivanie bits mentioned complementary convolutional codes are transferred to the first group (30) of the said second number of carrier signals, and referred to sew bits mentioned complementary convolutional codes are transferred to the second group (28) this second set of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference than the above-mentioned second group mentioned second mnogouvajaemiy receiver (50), characterized in that it contains means (70) for receiving multiple orthogonally multiplexed frequency division, bearing signals using the convolutional codes containing stitching bits and narashivanie bits, which is referred to narashivanie bits are transferred first group mentioned bearing signals, and referred to sew bits are transferred to the second group of carrier signals, and referred to the first group of carrier signals is less susceptible to interference than the above-mentioned second group mentioned bearing signals, and means (86) to determine whether distorted carrier signals in said second group of carrier signals, means (86) to erase the stitching bits transmitted any of the aforementioned load-bearing signals, which have been identified as distorted, to develop stitched codes, and means (74) for the mentioned decoding convolutional codes.

17. RF receiver (50) under item 16, characterized in that it contains means (70) for receiving the second set of orthogonally multiplexed frequency division bearing signals using complementary convolutional codes containing stitching bits and narashivanie bits, in which unatego second number of carrier signals, as mentioned sew the bits mentioned complementary convolutional codes are transferred to the second group of the second number of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference than the above-mentioned second group mentioned second number of carrier signals, and means (86) to determine whether distorted carrier signals in said second group mentioned second number of carrier signals, means (86) to erase the stitching bits transmitted by any of the mentioned second group mentioned second number of carrier signals that have been identified as distorted, to generate the second group stitched codes and means (74) for decoding mentioned second group stitched codes and the above-mentioned complementary convolutional codes.

18. RF receiver (50), characterized in that it contains means (70) for receiving multiple orthogonally multiplexed frequency division bearing signals using complementary codes containing stitching bits and narashivanie bits, which is referred to narashivanie bits are transferred first group mentioned bearing signals, and upon is of SCP-bearing signal is less susceptible to interference, than the above-mentioned second group mentioned bearing signals, and means (86) to determine whether distorted carrier signals in said second group, means (86) for weighing stitching bits transmitted any of the aforementioned load-bearing signals, which have been identified as distorted, to generate a weighted convolution codes, and means (74) for decoding mentioned weighted convolutional codes.

19. RF receiver (50) p. 18, further characterized in that it contains means (70) for receiving the second set of orthogonally multiplexed frequency division bearing signals using complementary convolutional codes containing stitching bits and narashivanie bits, which is referred to narashivanie bits mentioned complementary convolutional codes are transferred to the first group mentioned second number of carrier signals, and referred to sew bits mentioned complementary convolutional codes are transferred to the second group of the second number of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference, than the above-mentioned second group mentioned the second set is the group referred to the second number of carrier signals, means (86) for weighing stitching bits transmitted by any of the mentioned second number of carrier signals that have been identified as distorted, to generate the second group stitched codes, and means (74) for decoding mentioned second group stitched codes and the above-mentioned complementary convolutional codes.

20. The method of receiving a radio frequency signal, characterized in that the take a lot orthogonally multiplexed frequency division carrying signals (80) using convolutional codes containing stitching bits and narashivanie bits, which is referred to narashivanie bits are transferred first group (30) of the said bearing signals, and referred to sew bits are transferred to the second group (28) mentioned bearing signals, and referred to the first group mentioned bearing signals is less susceptible to interference than the above-mentioned second group mentioned bearing signals, and determine have distorted carrier signals in said second group mentioned bearing signals, erase stitching bits carried by any of the aforementioned load-bearing signals, which have been identified as distorted, to develop stitched codes and decode mentioned Segesta orthogonal, multiplexed frequency division carrying signals (80) using complementary convolutional codes containing stitching bits and narashivanie bits, which is referred to narashivanie bits mentioned complementary convolutional codes are transferred to the first group (30) of the said second number of carrier signals, and referred to sew bits mentioned complementary convolutional codes are transferred to the second group (28) of the said second number of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference than the above-mentioned second group mentioned second number of carrier signals, and determine have distorted carrier signals in said second group mentioned second number of carrier signals, erase stitching bits carried by any of the aforementioned load-bearing signals mentioned second number of carrier signals that have been identified as distorted, to generate the second group stitched codes and decode the above-mentioned second group stitched codes and the above-mentioned complementary convolutional codes.

22. The method of receiving a radio frequency signal, wherein the taking of merekalov, contains stitching bits and narashivanie bits, which is referred to narashivanie bits are transferred first group (30) of the said bearing signals, and referred to sew bits are transferred to the second group (28) mentioned bearing signals, and referred to the first group mentioned bearing signals is less susceptible to interference than the above-mentioned second group mentioned bearing signals, determine whether distorted carrier signals in said second group, weighed stitching bits carried by any of the aforementioned load-bearing signals, which have been identified as distorted, to generate a weighted convolutional codes and decode mentioned weighted convolutional codes.

23. The method of receiving a radio frequency signal according to p. 22, wherein taking the second set orthogonally multiplexed frequency division carrying signals (80) using complementary convolutional codes containing stitching bits and narashivanie bits, which is referred to narashivanie bits mentioned complementary convolutional codes are transferred to the first group (30) of the said second number of carrier signals, and referred to sew bits mentioned complementary of swertia group mentioned second number of carrier signals is less susceptible to interference, than the above-mentioned second group mentioned second number of carrier signals, determine whether distorted carrier signals in said second group mentioned second number of carrier signals, weighed stitching bits carried by any of the aforementioned second number of carrier signals that have been identified as distorted, to generate the second group weighted convolutional codes and decode the above-mentioned second group weighted convolutional codes and the above-mentioned complementary convolutional codes.

24. The method according to p. 22, characterized in that when determining whether distorted carrier signals in said second group, determine the signal-to-noise ratio for the aforementioned load-bearing signals containing stitching bits and weighing stitching bits transmitted any of the aforementioned load-bearing signals, which have been identified as distorted, to generate a weighted convolution codes, weighed referred to sew bits in response to the said signal-to-noise ratio.

25. Broadcasting system containing means for encoding material programs using convolutional codes with narashivanie bits and put bits and characterized in that it contains media is(80) using the convolution codes, whereby mentioned narashivanie bits are transferred first group (30) of the said bearing signals, and referred to sew bits are transferred to the second group (28) bearing signals, and referred to the first group of carrier signals is less susceptible to interference than said second group of carrier signals, means for broadcasting the aforementioned load-bearing signals, means for receiving the aforementioned load-bearing signals (80), a means for determining whether distorted carrier signals in said second group, means for erasing the stitching bits transmitted any of the aforementioned load-bearing signals, which have been identified as distorted, to develop stitched codes, and means for decoding mentioned convolutional codes.

26. Broadcasting system containing means for encoding material programs using convolutional codes with narashivanie bits and sew bits, characterized in that it contains means for modulation of the first set orthogonally multiplexed frequency division carrying signals (80) using the convolution codes, whereby the mentioned narashivanie bits mentioned convolutional codes perenesti convolutional codes are transferred to the second group (28) mentioned bearing signals, and referred to the first group mentioned first number of carrier signals is less susceptible to interference than the above-mentioned second group the number of carrier signals and to modulate the second set of orthogonally multiplexed frequency division, bearing signals using the complementary convolutional codes with narashivanie bits and sew bits, whereby the mentioned narashivanie bits mentioned complementary convolutional codes are transferred to the first group mentioned second number of carrier signals, and referred to sew bits mentioned complementary convolutional codes are transferred to the second group mentioned second number of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference than the above-mentioned second group mentioned second number of carrier signals, means for broadcasting the aforementioned load-bearing signals, means for receiving the aforementioned load-bearing signals, means for determining whether distorted carrier signals in said second group mentioned first number of carrier signals and said second set nekotorye were identified as distorted, to develop stitched codes, and means for decoding mentioned convolutional codes and the above-mentioned complementary convolutional codes.

27. Broadcasting system containing means for encoding material programs using convolutional codes with narashivanie bits and sew bits, characterized in that it contains means for modulation of multiple orthogonal multiplexed frequency division carrying signals (80) using the convolution codes, whereby the mentioned narashivanie bits are transferred first group (30) of the said bearing signals, and referred to sew bits are transferred to the second group (28) mentioned bearing signals, and referred to the first group of carrier signals is less susceptible to interference than said second group of carrier signals, and means for broadcasting the aforementioned load-bearing signals, means for receiving the aforementioned load-bearing signals (80), a means for determining whether distorted carrier signals in said second group, means for weighing stitching bits transmitted any of the aforementioned load-bearing signals, which have been identified as distorted, to develop stitched codes, the, what tool to determine whether distorted carrier signals in said second group contains means for measuring the signal-to-noise mentioned carrier signals in said second group.

29. Broadcasting system containing means for encoding material programs using convolutional codes with narashivanie bits and sew bits, characterized in that it contains means for modulation of the first set orthogonally multiplexed frequency division carrying signals (80) using the convolution codes, whereby the mentioned narashivanie bits mentioned convolutional codes are transferred to the first group (30) of the said first set of carrier signals, and referred to sew bits mentioned convolutional codes are transferred to the second group (28) of the said first set of carrier signals, and referred to the first group mentioned first number of carrier signals is less susceptible to interference than the above-mentioned second group the number of carrier signals and to modulate the second set of orthogonally multiplexed frequency division carrying signals (80) using complementaire bits mentioned complementary convolutional codes are transferred to the first group (30) of the said second number of carrier signals, as mentioned sew the bits mentioned complementary convolutional codes are transferred to the second group (28) of the said second number of carrier signals, and referred to the first group mentioned second number of carrier signals is less susceptible to interference than the above-mentioned second group mentioned second number of carrier signals, means for broadcasting the aforementioned load-bearing signals, means for receiving the aforementioned load-bearing signals (80), a means for determining whether distorted carrier signals in said second group mentioned first number of carrier signals in said second group mentioned second number of carrier signals, means for weighing stitching bits portable any of the aforementioned load-bearing signals, which have been identified as distorted, to develop stitched codes, and means for decoding mentioned convolutional codes and the above-mentioned complementary convolutional codes.

 

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