Information transmission apparatus, information detection apparatus and transmitter
An information transmission apparatus, an information detection apparatus and a transmitter is provided where serial numbers of information transport blocks are determined according to information indicating branch selection, so as to transmit information on the branch selection by using the serial numbers of information transport blocks. Hence, no additional transmission path needs to be provided, and the information on the branch selection may be simply and conveniently transmitted and a probability of wrongly determining the information indicating branch selection may be reduced, thereby efficiently improving performance of the system.
1. An information transmission apparatus, comprising:
a determining unit configured to determine serial numbers of information transport blocks to be transmitted; where, for each information transport block, the determining unit determines a serial number of a current information transport block by one of according to information of the current information transport block indicating branch selection and according to information of the current information transport block indicating branch selection along with a serial number of a former information transport block of the current information transport block; and
a transmitting unit configured to transmit information transport blocks containing the serial numbers.
2. The apparatus according to claim 1 , wherein the determining unit comprises:
an addition unit configured to add a predefined value to the serial number of the former information transport block of the current information transport block, and use the serial number with the predefined value added as the serial number of the current information transport block when the branch selected for transmitting the current information transport block is not changed relative to a branch for transmitting the former information transport block; and
a first processing unit configured to process the serial number with the predefined value added when the branch selected for transmitting the current information transport block is changed relative to the branch for transmitting the former information transport block, and use a processed serial number as the serial number of the current information transport block.
3. The apparatus according to claim 2 , wherein the first processing unit is configured to perform inversion processing on one of a whole and a part of the serial number with the predefined value added when the branch selected for transmitting the current information transport block is changed relative to the branch for transmitting the former information transport block, and use an inversion processed serial number as the serial number of the current information transport block.
4. The apparatus according to claim 3 , wherein the branch selected for transmitting the current information transport block being changed relative to the branch for transmitting the former information transport block refers to that the serial number of the branch selected for transmitting the current information transport block is the serial number of the branch for transmitting the former information transport block of the current information transport block with different predefined values one of added and subtracted; and the processing the serial number a with the predefined value added by the processing unit comprises: one of inverting one of former half bits and latter half bits of the serial number with the predefined value added, and inverting the former half bits and the latter half bits of the serial number with the predefined value added.
5. The apparatus according to claim 1 , wherein the determining unit comprises:
a second processing unit configured to process the serial number of the current information transport block when a branch selected for transmitting the current information transport block is changed relative to the branch for transmitting the former information transport block, and use the processed serial number as the serial number of the current information transport block.
6. The apparatus according to claim 1 , wherein the information indicating branch selection is a serial number of a branch selected for transmitting the information transport block.
7. The apparatus according to claim 1 , wherein the information transport block is an error correction coding block.
8. An information detection apparatus, comprising:
a receiving unit configured to receive information transport blocks; where, in transmitting each information transport block, a serial number of a current information transport block is determined by one of according to information of the current information transport block indicating branch selection and according to information of the current information transport block indicating branch selection along with a serial number of a former information transport block of the current information transport block; and
a detecting unit configured to detect information indicating branch selection of the information transport blocks according to the serial number of the received information transport blocks.
9. The apparatus according to claim 8 , wherein the detecting unit detects the information indicating branch selection of the information transport blocks according to a code distance between the serial number of the received information transport block and the serial number of the information transport block before transmission, and a code distance between the serial number of the received information transport block and a processed serial number of the information transport block before transmission.
10. A transmitter, comprising the apparatus as claimed in claim 1 .