Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data
An in-phase quadrature and transmitting device technology, applied in the field of mobile communication, can solve the problems of limiting data transmission rate, increasing the optical port rate, increasing the cost of hardware equipment, etc., so as to meet the transmission requirements and reduce the amount of data.
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Embodiment 1
[0067] In the total IQ data to be sent, each IQ data contains 15 bits and 1 bit sign bit, so an IQ flag bit can be set before each 16-bit IQ data, and record the position of each 16-bit data in the original total IQ data. And the compression flag set here is 0. The total IQ data to be sent is divided into N data blocks, where each data block consists of m pieces of IQ data, and m is an integer greater than zero.
[0068] Figure 4 It is a schematic diagram of dividing and compressing IQ data into data blocks in Embodiment 1 of the present invention. After the IQ data to be sent is divided into K data blocks, for the first data block, the data structure of m IQ data in the data block is analyzed by a window function, and for each IQ data in the data block, from The highest bit begins to intercept the continuous 4-bit effective bit data of each IQ data, and obtains the sign bit (5 bits in total) of each IQ data. After that, the untruncated bits in each IQ data are deleted to ...
Embodiment 2
[0075] In the total IQ data to be sent, each IQ data contains 15 bits and 1 bit sign bit, so an IQ flag bit can be set before each 16-bit IQ data, and record the position of each 16-bit data in the original total IQ data. And the compression flag set here is 1. The total IQ data to be sent is divided into N data blocks, where each data block consists of m pieces of IQ data, and m is an integer greater than zero.
[0076] After the IQ data to be sent is divided into K data blocks, for the first data block, the data structure of m IQ data in the data block is analyzed by a window function, and for each IQ data in the data block, from The highest bit begins to intercept each IQ data continuous n 1 bit effective bit data and sign bit. Afterwards, the untruncated bits in each IQ data are deleted to obtain the compressed IQ data of the first data block.
[0077] For the second data block, analyze the data structure of m IQ data in the data block through the window function, and f...
Embodiment 3
[0082] In the total IQ data to be sent, each IQ data contains 15 bits and 1 bit sign bits, so an IQ flag can be set before each 16-bit IQ data, and record the position of each 16-bit data in the original total IQ data. And the compression flag set here is 0. The total IQ data to be sent is divided into N data blocks, where each data block consists of m pieces of IQ data, and m is an integer greater than zero. In addition, in this embodiment, the compression factors of 1 and 0 respectively define that 6 and 9 effective bits are reserved after compression.
[0083] Figure 5 It is a schematic diagram of dividing and compressing IQ data into data blocks in Embodiment 3 of the present invention. After the IQ data to be sent is divided into K data blocks, for the first data block, the data structure of m IQ data in the data block is analyzed by a window function, and for each IQ data in the data block, from The highest bit begins to intercept the continuous 9-bit effective data ...
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