Patent
Data compression method and device and data transmission method and system
Liao Shiwen,Luo Manjiang +1 more
- 25 Feb 2015
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TL;DR: In this article, a data compression method and device and a data transmission method and system for IQ data pair compression is described. But the authors did not reveal the details of the data transmission system.
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Abstract: The invention discloses a data compression method and device and a data transmission method and system The data compression method comprises the steps that amplitude information and phase information of all IQ data pairs in each IQ data pair group are read respectively; the phase information of all the IQ data pairs is subjected to bit cutting to obtain corresponding effective bit information; the amplitude information and the effective bit information in each IQ data pair group form new IQ data pairs, and the new IQ data pairs are compressed According to the data compression method and device, in the compression process, the phase information is subjected to bit cutting before compression is conducted, so that the information compression amount is reduced According to the data transmission method and system, in the compression process, the phase information is subjected to bit cutting before compression is conducted; in the decompression process, the effective bit information is subjected to zero filling to obtain the phase information, and finally the phase information is converted into IQ data, so that the information transmission amount is reduced
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Citations
Patent
Data compression transmission method and data compression transmission device
Liu Jun,Chen Zhijian,Cen Manyi,Shen Shelin +3 more
- 06 Jul 2016
TL;DR: In this article, a data compression transmission method is characterized in that information categories of all of subdata of transmission data can be acquired, and an information ranking table corresponding to the subdata can be generated according to the information categories; storage valid bits can be assigned to all of the sub data according to information ranking tables; the data content of the data having the data updated at the current moment can be used as the updated subdata; a data package to be transmitted, and therefore the actually transmitted data quantity can be reduced without affecting the integrity of the information data, and the
3
Patent
Data compressing method and device
Li Qinghua,Sun Huarong +1 more
- 21 Aug 2018
TL;DR: In this article, the authors proposed a data compressing method and device, which relate to the field of mobile communication, and resolve the problem of the prior art that the compressing efficiency is too low.
2
Patent
Data compression method and device, computer equipment and storage medium
Lyu Hui,Zhang Wen,Li Pengcheng,Li Yangjun +3 more
- 17 May 2019
TL;DR: In this paper, the authors proposed a data compression method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining to-be-compressed baseband I/Q data by a terminal, and calculating the amplitude value of the to- becompressed BSIQ data.
1
Patent
Data compression method, apparatus, computer device and storage medium
Lv Hui,Zhang Wen,Li Pengcheng,Li Yangjun +3 more
- 25 Jun 2020
TL;DR: In this paper, the amplitude value of the baseband I/Q data to be compressed according to an amplitude range corresponding to the data, and searching a compression table for the compressed amplitude value to obtain compressed data.
Patent
Antenna data packet transmission device and method
Li Yang,Yu Haidan,Duan Xiangyang,Feng Wei,Fu Yutang +4 more
- 03 Jul 2018
TL;DR: In this article, an antenna data packet transmission device and method is presented, which consists of an IQ antenna data exchange module used for carrying out processing on IQ data flow transmitted between a BBU and an RRU to obtain an IQ processed data flow; an interface module used to carry out transmission on the data flow and the IQ processed information flow; and a clock module was used for processing a reference clock of a clock reference source into a synchronous clock, and distributing the synchronized clock to the BBU.
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TL;DR: In this article, a system for determining the instantaneous amplitude and phase of an analog sinusoid was proposed. But the system was not suitable for the measurement of a parameter and the system required a delay of several seconds.
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Patent
Uplink baseband signal compression method, decompression method, device and system
Sheng Liu,Rongdao Yu +1 more
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TL;DR: In this article, the authors present an RRU which performs IDFT on a PUSCH signal that is obtained after resource block demapping, where the signal after the IDFT is represented by using amplitude and phase, and then amplitude quantization and phase quantization are performed respectively to obtain a quantized amplitude signal and a quantised phase signal respectively.
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Patent
Method and system for compressing IQ data
Zhaoyang Yang,Dapeng Jiang,Ying Miao,Xurong Chai +3 more
- 21 Nov 2012
TL;DR: In this paper, a method and a system for compressing IQ data is proposed, which comprises the steps of grouping IQ data at fixed points at a transmitting end, confirming the largest power of each group of data, comparing the large power with the smallest power when the scale span is calibrated and confirming displacement factors k of the groups; performing displacement and cutting on I data and Q data of each IQ datum in the group according to the displacement factor k corresponding to each group to obtain compression data.
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Patent
Data compression, transmission, receiving and uncompressing method and corresponding device
Panke Zhang,Shaoqiang Ye +1 more
- 21 Nov 2012
TL;DR: In this article, a data compression, transmission, receiving and uncompressing method and a corresponding device, can achieve IQ data compression with low complexity and small error, and can achieve transmission of IQ data compressibility factors with fewer resources.
10
Patent
Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data
Zhang Shuai,Xu Jin,Yu Guanghui,Hu Liujun +3 more
- 12 Dec 2012
TL;DR: In this paper, the authors proposed a sending method for IQ data, where the IQ data to be sent are divided into a plurality of data blocks, each data block comprises a majority of IQ data and continuous n effective bits are intercepted from the highest bit of each IQ data.
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