A data compression and decompression method, system and electronic equipment
A data compression and decompression technology, applied in transmission systems, electrical components, etc., can solve the problems of hardware time-consuming and increase equipment cost, and achieve the effect of less resource occupation, lower compression loss, and simple realization.
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Embodiment 1
[0082] figure 1 It is a schematic flowchart of a data compression method provided by Embodiment 1 of the present invention. The data compression method of this embodiment is applied to the data sending end, and the data is compressed before sending the data, so as to reduce the requirement on the transmission capacity of the optical fiber. The data compression method can be executed by a sending module in the data compression system, the sending module can be implemented by software and / or hardware, and is generally integrated in the base station equipment. For details, see figure 1 As shown, the method may include the following steps:
[0083] 110. Group the data to be compressed based on a preset rule.
[0084] Wherein, the data to be compressed may specifically refer to IQ data bidirectionally transmitted between the BBU and the RRU in the TD-LTE base station equipment through an optical fiber.
[0085] Exemplarily, the data to be compressed is grouped based on preset r...
Embodiment 2
[0106] image 3 A flow diagram of a data compression method provided by Embodiment 2 of the present invention. On the basis of the above embodiments, this embodiment optimizes the data compression process by way of example. The advantage of optimization is that the compression process is simplified, making Compression is easier to implement, without using complex hardware devices, and takes up less system resources. For details, see image 3 As shown, the method includes:
[0107] 310. Group the data to be compressed based on a preset rule.
[0108] 320. Obtain the absolute value of each data to be compressed in each group, and determine a maximum value among the absolute values in each group.
[0109] 330. Calculate the data compression metrics of each group according to the maximum value of the absolute values in each group.
[0110] 340. Determine a compression factor of each data to be compressed in the corresponding group based on the data compression measurement ...
Embodiment 3
[0129] Figure 6 It is a schematic flowchart of a data decompression method provided by Embodiment 3 of the present invention. The data decompression method in this embodiment is applied to a data receiving end to decompress the compressed data in the above embodiments. The data decompression method can be executed by a receiving module in the data compression system, the receiving module can be implemented by software and / or hardware, and is generally integrated in the base station equipment. For details, see Figure 6 As shown, the method may include the following steps:
[0130] 610. Determine the compression factor of the data to be compressed according to the received identification bit of the data to be compressed and the reference factor of the group to which the data to be compressed belongs.
[0131] Specifically, if the identification bit of the data to be compressed is 1, the compression factor of the data to be compressed is k;
[0132] If the identification bi...
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