CN107295568B - Data compression method and system based on probability statistics in TD-LTE - Google Patents

Data compression method and system based on probability statistics in TD-LTE Download PDF

Info

Publication number
CN107295568B
CN107295568B CN201710547269.5A CN201710547269A CN107295568B CN 107295568 B CN107295568 B CN 107295568B CN 201710547269 A CN201710547269 A CN 201710547269A CN 107295568 B CN107295568 B CN 107295568B
Authority
CN
China
Prior art keywords
data
unit
statistical
compression
compressed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201710547269.5A
Other languages
Chinese (zh)
Other versions
CN107295568A (en
Inventor
徐宁
陈付齐
王艳欢
杨浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CICT Mobile Communication Technology Co Ltd
Original Assignee
Wuhan Hongxin Telecommunication Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Hongxin Telecommunication Technologies Co Ltd filed Critical Wuhan Hongxin Telecommunication Technologies Co Ltd
Priority to CN201710547269.5A priority Critical patent/CN107295568B/en
Publication of CN107295568A publication Critical patent/CN107295568A/en
Application granted granted Critical
Publication of CN107295568B publication Critical patent/CN107295568B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames

Abstract

The invention provides a data compression method and a system based on probability statistics in TD-LTE (time division-Long term evolution), which comprises the steps of obtaining TD-LTE wireless frame configuration information, setting a data statistics unit boundary according to the bit width of original data, and obtaining a statistical time slot relative to a frame header; and carrying out data probability density statistics on the data, mapping the original data and completing data compression. The method is mainly applied to data compression processing of an interface between the BBU and the RRU of the distributed base station equipment, and mainly comprises the steps of carrying out probability statistics on the sent data and then carrying out data compression according to the data probability statistics. The advantage of this approach is that it is adaptable and significantly improves the system non-linearity caused by compression and decompression.

Description

Data compression method and system based on probability statistics in TD-LTE
Technical Field
The invention relates to the field of mobile communication, in particular to a data compression method and system based on probability statistics in TD-LTE.
Background
LTE is a long term evolution of the UMTS technical standard, currently known as 4G, established by the 3GPP organization. The LTE system architecture is still divided into two parts, including an evolved core network and an evolved access network. The evolved access network generally adopts a BBU + RRU architecture, the BBU and the RRU are connected through optical fibers, along with the improvement of service data flow, the optical fiber link rate between the BBU and the RRU is also proportionally improved, the station building cost is increased, and along with the formulation of a 5G standard and the research of related technologies, the challenge of large data flow also puts demands on a data compression technology.
Introduction common terminology in the LTE technology field is as follows:
1. BBU: base width Based Unit, Baseband processing Unit
2. RRU: remote RF Unit
3. LTE: long Term Evolution (LTE) plan for Long Term Evolution (Long Term Evolution)
4. TD-LTE: time Division Long Term Evolution
Disclosure of Invention
The invention aims to provide a TD-LTE (time division-Long term evolution) data compression scheme based on probability statistics, and aims to solve the problem that the transmission rate between a BBU (baseband unit) and an RRU (remote radio unit) is too high, so that the equipment cost is increased.
The technical scheme of the invention provides a data compression method based on probability statistics in TD-LTE, which comprises the following steps,
step 1, acquiring TD-LTE wireless frame configuration information;
step 2, setting a data statistical unit boundary according to the bit width of the original data;
step 3, obtaining a statistical time slot relative to the frame header according to the TD-LTE wireless frame configuration information obtained in the step 1;
step 4, carrying out data probability density statistics on the data according to the statistical time slot obtained in the step 3 to obtain an original data probability statistical result, wherein the original data probability statistical result comprises a step of carrying out data probability density statistics according to a preset fixed period TaMapping the data in the statistical time slot into a corresponding data statistical unit;
step 5, mapping the original data according to the data probability density to complete data compression, wherein the range of the data after being mapped and compressed by the data statistical unit is set according to the original data probability statistical result obtained in the step 4 and the bit width of the data after being compressed, and a compression factor is calculated;
completing data compression of the original data according to the compression factor;
and transmitting the compressed data and the compression factors to a remote end together, wherein the signal transmitted to the remote end also comprises the original data bit width and the compressed data bit width.
In step 2, the setting of the data statistic unit boundary includes setting a total Z to 2 according to the bit width N of the transmission dataN-10A statistical unit with a size of 210The data range of the 1 st data statistical unit is 0-210-1, nth data statistic unit data range is 2n+8-1～2n+9-1，n＝2,3…Z。
And in step 3, acquiring a statistical time slot relative to the frame header, including performing density statistics on data in a downlink time slot of the TD-LTE radio frame.
Furthermore, in step 4, the period T is fixeda≥j×TfWherein j is not less than 100, TfOne LTE radio frame period.
Moreover, the mapping mode is that if the size of certain data is in the range of the nth data statistical unit, the corresponding counter of the nth data statistical unit is increased by one.
In step 5, the bit width of the compressed data is set to be k, and the bit width is set to be 0-2k-1 is divided into Z ═ 2N-10A mapping unit, the original data is mapped from the 1 st data statistics unit into a compressed data range
Figure BDA0001343477270000021
The nth data statistic unit maps the range of the compressed data into
Figure BDA0001343477270000022
Figure BDA0001343477270000023
Wherein Countblock_nIs at TaThe number of times of data obtained by the counter corresponding to the nth data statistical unit in the period is CountsumIs at TaThe total number of the raw data counted in the period, n, is 2,3 … Z.
Furthermore, in step 5, the process,
Figure BDA0001343477270000024
furthermore, in step 5, each data statistic unit is used as an original data unit, which is in a one-to-one mapping relationship with the compressed data unit, the nth original data unit corresponds to the nth compressed data unit,
the data D in the nth original data unit is mapped to the compressed data C as follows,
Figure BDA0001343477270000025
wherein n is 1,2,3 … Z.
And the receiving end decompresses the corresponding compressed data unit according to different compression factors and restores the corresponding compressed data unit into the original data unit.
Moreover, the receiving end decompresses the corresponding compressed data unit according to different compression factors to restore the original data unit, which is realized as follows,
if the compressed data C satisfies
Figure BDA0001343477270000031
C is in the nth data compression unit, the data is decompressed as follows,
Figure BDA0001343477270000032
wherein n is 1,2,3 … Z.
The invention provides a data compression system based on probability statistics in TD-LTE, which comprises the following modules,
the first module is used for acquiring TD-LTE wireless frame configuration information;
the second module is used for setting the boundary of the data statistical unit according to the bit width of the original data;
a third module, configured to obtain a statistical time slot corresponding to the frame header according to the TD-LTE radio frame configuration information obtained by the first module;
a fourth module for carrying out data probability density statistics on the data according to the statistical time slot obtained by the third module to obtain an original data probability statistical result, which comprises a step of carrying out data probability density statistics according to a preset fixed period TaMapping the data in the statistical time slot into a corresponding data statistical unit;
the fifth module is used for mapping the original data according to the data probability density to complete data compression, and the range of the data after the data is mapped and compressed by the data statistical unit is set according to the original data probability statistical result obtained by the fourth module and the bit width of the data after the data is compressed, and a compression factor is calculated;
completing data compression of the original data according to the compression factor;
and transmitting the compressed data and the compression factors to a remote end together, wherein the signal transmitted to the remote end also comprises the original data bit width and the compressed data bit width.
The invention has the following advantages and positive effects:
1. according to probability statistics, data are compressed, quantization errors are small, and compared with other compression algorithms after compression and decompression, nonlinearity caused by compression and decompression of the whole system is lower.
2. The method is mainly applied to data compression processing of an interface between the BBU and the RRU of the distributed base station equipment, and can reduce the interface rate between the BBU and the RRU and the development cost of the equipment after compressing the data.
3. The technical scheme of the invention can be directly realized on the existing base station equipment, and the equipment investment before the equipment investment is protected.
Therefore, the invention has important market value in the field of communication.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention.
FIG. 2 is a diagram illustrating a mapping relationship between original data and compressed data according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
In specific implementation, the invention can adopt software technology to realize automatic operation of the process. Referring to fig. 1, an embodiment of the present invention includes the steps of:
step 1, TD-LTE wireless frame configuration information is obtained.
In specific implementation, the configuration information of the TD-LTE radio frame includes TD-LTE uplink and downlink subframe ratio configuration information, special subframe configuration information, and cyclic prefix length selection information.
And 2, setting a data statistical unit boundary.
The setting data statistics unit boundary is based on the transmission data bit width N (general N)>10) Setting a total of Z2N-10A statistical unit with a size of 210The data range of the 1 st data statistical unit is 0-210-1, nth data statistic unit data range is 2n+8-1～2n+9-1, n-2, 3 … Z. That is, the data range of the 1 st data statistical unit is 0-210-1, 2 nd data statistic unit data range of 210～211-1, 3 rd data statistics Unit data normEnclose as 211～2121, … th data statistic unit data range of Z2Z+8-1～2Z+9-1，。
In this embodiment, the original data bit width is 15 bits, i.e., N is 15, each data unit has a size of 1024, and there are 32 statistical units, which are respectively denoted as BLOCK1, BLOCK2, and BLOCK3 … BLOCK kz. The range of the first statistical unit is 0-1023, and the range of the nth data statistical unit is 2n+8～2n+9-1，n＝2,3…Z。
And 3, acquiring the statistic time slot relative to the frame header according to the TD-LTE wireless frame configuration information acquired in the step 1.
In the embodiment, according to configuration information of the radio frame, probability density statistics is performed on data only in a downlink data time slot, that is, density statistics is performed on data in the downlink time slot of the TD-LTE radio frame.
And 4, carrying out data probability density statistics on the data according to the statistical time slot obtained in the step 3 to obtain an original data probability statistical result.
Further, in step 4, the probability density statistics of the data is according to a preset fixed period TaUpdating the data probability density statistics, and setting Ta≥j×TfTherefore, after j infinite frame data are counted, the probability density of the data is updated, the value of j is not small during specific implementation, and the probability density counted by the small value is not accurate. Preferably, where j ≧ 100, TfIs one LTE radio frame period of 10 ms.
According to the statistical time slot obtained in the step 3, the data in the downlink time slot is processed in a fixed period TaProbability density statistics is carried out in a period, j is 100 in the embodiment, and therefore the period T is counteda1 second, the frequency of updating the probability density statistical result, the frequency of updating the data compression ratio and TaThe same is true for 1 second.
At TaIn the period, mapping the data in the statistical time slot obtained in the step 3 into a specific original data unit (namely a data statistical unit) in such a way that if the size of certain data is within the range of the nth data statistical unit, the nth data unitOne is added according to the corresponding counter of the statistical unit.
And 5, mapping the original data according to the probability density of the data to complete data compression:
step 5 of the example comprises the following process:
(1) and 4, setting the range of the data after the data statistics unit is mapped and compressed according to the original data probability statistics result in the step 4, and calculating a compression factor.
According to the invention, the original data is mapped according to the statistics of the probability density of the data, and the data compression is completed: the original data and the compressed data are divided into the same data units, the original data units and the compressed data units are in one-to-one mapping relation, the compressed data units corresponding to one original data statistical unit form one mapping unit, and each mapping unit independently calculates a compression factor lambda according to probability density distribution.
At a fixed period TaIn the period, according to the probability statistical result of the original data, the boundary division of the compressed data is completed, the bit width of the compressed data is set to be k, and the number is 0-2k-1 is divided into Z ═ 2N-10A mapping unit; the original data is mapped from the first data statistics unit into the compressed data range
Figure BDA0001343477270000051
The nth data statistic unit maps the range of the compressed data into
Figure BDA0001343477270000052
That is, the value range of the nth data block is from the sum of the first n-1 data blocks to the sum of the n data blocks, wherein the Countblock_nIs at TaThe number of times of data obtained by the counter corresponding to the nth data statistical unit in the period is CountsumIs at TaThe total number of the original data counted in the period; n is 2,3 … Z.
Where floor (x) denotes rounding down data x, and round (x) denotes rounding data x.
The bit width of the compressed data is 6 bits, and the data range is 0-26-1 division into 32 data units, the first oneThe range of the data unit is
Figure BDA0001343477270000053
First data unit compression factor
Figure BDA0001343477270000054
Figure BDA0001343477270000055
The range of the nth data unit is
Figure BDA0001343477270000056
Figure BDA0001343477270000057
Nth data unit compression factor
Figure BDA0001343477270000058
Figure BDA00013434772700000510
As depicted in fig. 2, wherein f (n) represents the compressed data boundary, the general expression is:
Figure BDA0001343477270000059
in the examples, f (32) ═ 26-1。
The compression factor is:
Figure BDA0001343477270000061
(2) and completing data compression of the original data.
The specific implementation process of the embodiment is described as follows: each data statistical unit is used as an original data unit, each original data unit and a compressed data unit are in a one-to-one mapping relationship, the nth original data unit corresponds to the nth compressed data unit, n is more than or equal to 1 and less than or equal to 32 in the embodiment, and a general expression of data C in the embodiment, in which data D in the nth original data unit is mapped to compressed data, is
Figure BDA0001343477270000062
Wherein n is 1,2,3 … Z.
(3) Compressing each data C and a compression factor lambdanThe bit width N of the original data and the bit width k of the compressed data are also included in the signals transmitted to the remote end.
In specific implementation, the steps (1) and (2) from the step 4 to the step 5 can be executed circularly, and the current period T is processed continuouslyaAnd (3) transmitting the result to the remote end.
Because the compressed data C and the compression factor lambda are transmitted together, the receiving end can decompress the corresponding compressed data unit according to different compression factors lambda and restore the compressed data unit into the original data unit.
In the embodiment, the remote end is used for compressing the data according to the bit width of the original data, the bit width of the compressed data and the compression factor lambdanThe range of the compressed data is 0-26-1 and raw data range 0-215-1 dividing the data into 32 data units and determining the boundary of the compressed data unit, wherein the boundary of the 1 st data compression unit ranges from 0 to floor (1024 x lambda)1-1). The nth data compression unit boundary range is:
Figure BDA0001343477270000063
if the compressed data C satisfies
Figure BDA0001343477270000064
Figure BDA0001343477270000065
C is in the nth data compression unit. The data decompression expression is:
Figure BDA0001343477270000066
wherein n is 1,2,3 … Z.
In specific implementation, the method provided by the invention can realize automatic operation flow based on software technology, and can also realize a corresponding system in a modularized mode.
The embodiment of the invention provides a data compression system based on probability statistics in TD-LTE, which comprises the following modules,
the first module is used for acquiring TD-LTE wireless frame configuration information;
the second module is used for setting the boundary of the data statistical unit according to the bit width of the original data;
a third module, configured to obtain a statistical time slot corresponding to the frame header according to the TD-LTE radio frame configuration information obtained by the first module;
a fourth module for carrying out data probability density statistics on the data according to the statistical time slot obtained by the third module to obtain an original data probability statistical result, which comprises a step of carrying out data probability density statistics according to a preset fixed period TaMapping the data in the statistical time slot into a corresponding data statistical unit;
the fifth module is used for mapping the original data according to the data probability density to complete data compression, and the range of the data after the data is mapped and compressed by the data statistical unit is set according to the original data probability statistical result obtained by the fourth module and the bit width of the data after the data is compressed, and a compression factor is calculated;
completing data compression of the original data according to the compression factor;
and transmitting the compressed data and the compression factors to a remote end together, wherein the signal transmitted to the remote end also comprises the original data bit width and the compressed data bit width.
The specific implementation of each module can refer to the corresponding step, and the detailed description of the invention is omitted.
The above embodiment is an embodiment of the present invention, but the embodiment of the present invention is not limited by the above embodiment, and the spirit and scope of the present invention are not limited by the above embodiment, and any other changes, modifications, substitutions, combinations, and simplifications which are made without departing from the principle of the present invention are included in the protection scope of the present invention.

Claims (8)

1. A data compression method based on probability statistics in TD-LTE is characterized in that: data compression processing for an interface between a distributed base station equipment, BBU, and RRU, comprising the steps of,
step 1, acquiring TD-LTE wireless frame configuration information;
step 2, setting a data statistical unit boundary according to the bit width of the original data;
step 3, obtaining a statistical time slot relative to the frame header according to the TD-LTE wireless frame configuration information obtained in the step 1;
step 4, carrying out data probability density statistics on the data according to the statistical time slot obtained in the step 3 to obtain an original data probability statistical result, wherein the original data probability statistical result comprises a step of carrying out data probability density statistics according to a preset fixed period TaMapping the data in the statistical time slot into a corresponding data statistical unit;
step 5, according to the probability density of the data, mapping the original data to complete the data compression, and realizing the following,
setting the range of the data after the data statistics unit is mapped and compressed according to the original data probability statistics result obtained in the step 4 and the bit width of the compressed data, and calculating a compression factor; the realization mode is that,
setting the bit width of the compressed data as k, and setting the bit width to be 0-2k-1 is divided into Z ═ 2N-10A mapping unit, the original data is mapped from the 1 st data statistics unit into a compressed data range
Figure FDA0002357477450000011
The nth data statistic unit maps the range of the compressed data into
Figure FDA0002357477450000012
Wherein Countblock_nIs at TaThe number of times of data obtained by the counter corresponding to the nth data statistical unit in the period is CountsumIs at TaThe total number of the original data counted in the period is 2,3 … Z;
the nth data unit compression factor is calculated as follows,
Figure FDA0002357477450000013
completing data compression of the original data according to the compression factor; the realization mode is that,
each data statistical unit is used as an original data unit and is in one-to-one mapping relation with the compressed data unit, the nth original data unit corresponds to the nth compressed data unit,
the data D in the nth original data unit is mapped to the compressed data C as follows,
Figure FDA0002357477450000014
wherein n is 1,2,3 … Z;
and transmitting the compressed data and the compression factors to a remote end together, wherein the signal transmitted to the remote end also comprises the original data bit width and the compressed data bit width.
2. The method for compressing data in TD-LTE according to claim 1, wherein the method comprises: in step 2, the setting of the data statistics unit boundary includes setting a total Z to 2 according to the bit width N of the transmission dataN-10A statistical unit with a size of 210The data range of the 1 st data statistical unit is 0-210-1, nth data statistic unit data range is 2n+8-1～2n+9-1，n＝2,3…Z。
3. The method for compressing data in TD-LTE according to claim 1, wherein the method comprises: and step 3, acquiring a statistical time slot relative to the frame header, wherein the statistical time slot comprises the density statistics of data in a downlink time slot of the TD-LTE wireless frame.
4. The method for compressing data in TD-LTE according to claim 1, wherein the method comprises: in step 4, the period T is fixeda≥j×TfWherein j is not less than 100, TfIs one LTE radio frameAnd (4) period.
5. The method of claim 2, wherein the method for compressing data in TD-LTE based on probability statistics comprises: the mapping mode is that if the size of certain data is in the range of the nth data statistical unit, the corresponding counter of the nth data statistical unit is increased by one.
6. The method for probability statistics based data compression in TD-LTE according to claim 1 or 2 or 3 or 4 or 5, wherein: and the receiving end decompresses the corresponding compressed data unit according to different compression factors and restores the corresponding compressed data unit into the original data unit.
7. The method of claim 6, wherein the method for compressing data in TD-LTE based on probability statistics comprises: the receiving end decompresses the corresponding compressed data unit according to different compression factors to restore the original data unit, and the implementation is as follows,
if the compressed data C satisfies
Figure FDA0002357477450000021
C is in the nth data compression unit, the data is decompressed as follows,
Figure FDA0002357477450000022
wherein n is 1,2,3 … Z.
8. A data compression system based on probability statistics in TD-LTE is characterized in that: data compression processing for an interface between a distributed base station equipment, BBU, and RRU, comprising the following modules,
the first module is used for acquiring TD-LTE wireless frame configuration information;
the second module is used for setting the boundary of the data statistical unit according to the bit width of the original data;
a third module, configured to obtain a statistical time slot corresponding to the frame header according to the TD-LTE radio frame configuration information obtained by the first module;
a fourth module for carrying out data probability density statistics on the data according to the statistical time slot obtained by the third module to obtain an original data probability statistical result, which comprises a step of carrying out data probability density statistics according to a preset fixed period TaMapping the data in the statistical time slot into a corresponding data statistical unit;
the fifth module is used for mapping the original data according to the data probability density to complete data compression, and the range of the data after the data is mapped and compressed by the data statistical unit is set according to the original data probability statistical result obtained by the fourth module and the bit width of the compressed data, and a compression factor is calculated; the realization mode is that,
setting the bit width of the compressed data as k, and setting the bit width to be 0-2k-1 is divided into Z ═ 2N-10A mapping unit, the original data is mapped from the 1 st data statistics unit into a compressed data range
Figure FDA0002357477450000031
The nth data statistic unit maps the range of the compressed data into
Figure FDA0002357477450000032
Wherein Countblock_nIs at TaThe number of times of data obtained by the counter corresponding to the nth data statistical unit in the period is CountsumIs at TaThe total number of the original data counted in the period is 2,3 … Z;
the nth data unit compression factor is calculated as follows,
Figure FDA0002357477450000033
completing data compression of the original data according to the compression factor; the realization mode is that,
each data statistical unit is used as an original data unit and is in one-to-one mapping relation with the compressed data unit, the nth original data unit corresponds to the nth compressed data unit,
the data D in the nth original data unit is mapped to the compressed data C as follows,
Figure FDA0002357477450000034
wherein n is 1,2,3 … Z;
and transmitting the compressed data and the compression factors to a remote end together, wherein the signal transmitted to the remote end also comprises the original data bit width and the compressed data bit width.
CN201710547269.5A 2017-07-06 2017-07-06 Data compression method and system based on probability statistics in TD-LTE Active CN107295568B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710547269.5A CN107295568B (en) 2017-07-06 2017-07-06 Data compression method and system based on probability statistics in TD-LTE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710547269.5A CN107295568B (en) 2017-07-06 2017-07-06 Data compression method and system based on probability statistics in TD-LTE

Publications (2)

Publication Number Publication Date
CN107295568A CN107295568A (en) 2017-10-24
CN107295568B true CN107295568B (en) 2020-04-10

Family

ID=60101062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710547269.5A Active CN107295568B (en) 2017-07-06 2017-07-06 Data compression method and system based on probability statistics in TD-LTE

Country Status (1)

Country Link
CN (1) CN107295568B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102790999B (en) * 2011-05-19 2016-07-27 中兴通讯股份有限公司 A kind of data compression, transmission, reception and decompression method and related device
CN102255692A (en) * 2011-07-14 2011-11-23 电信科学技术研究院 Data compression method and equipment
CN104811265B (en) * 2014-01-29 2018-12-18 上海数字电视国家工程研究中心有限公司 The packaging method and de-encapsulation method of base band frame

Also Published As

Publication number Publication date
CN107295568A (en) 2017-10-24

Similar Documents

Publication Publication Date Title
EP2946538B1 (en) Compression and de-compression of complex valued ofdm data for a radio base station
CN105324949A (en) Base station system and communication apparatus
US9059970B1 (en) Method of compressing and decompressing I/Q sample data in cloud radio access network
US9515737B2 (en) Method and device for data compression, transmission, and decompression
EP2787646A1 (en) Method and device for compressing in-phase quadrature data
CN102291398A (en) Data compression and decompression method, device and system in wireless communication system
CN102255692A (en) Data compression method and equipment
CN102790999A (en) Data compression, transmission, receiving and uncompressing method and corresponding device
US9118418B2 (en) High speed data serial connection interface apparatus, CPRI transmitting and receiving method
CN105763287B (en) Data transmission method and device
EP3611858A1 (en) Channel state information reporting method and communication device
EP3659259B1 (en) Enhanced information sequences for polar codes
CN112886969A (en) Polarization code encoding method and device
US11438875B2 (en) Signaling receiving method and related device
CN101394197B (en) Baseband data transmission method and device for CDMA distributed base station system
CN102821072A (en) Sending method, receiving method, sending system, receiving system, sending device and receiving device for IQ (In-phase quadrature) data
EP3659260B1 (en) Enhanced information sequences for polar codes
CN107295568B (en) Data compression method and system based on probability statistics in TD-LTE
WO2021072953A1 (en) Data compression method and apparatus, and computer device and computer-readable storage medium
CN102821069B (en) Base station and uplink data compression method on base station side
EP3032878A1 (en) Method, device and communications system for obtaining shared power
CN113498112B (en) Data processing method and device
CN103702363B (en) Method for compressing signals from frequencies and downlink signal compressing system
CN104168611A (en) Communication data processing method and device
CN114448503A (en) Downlink data transmission method and device, storage medium and electronic device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1

Patentee after: CITIC Mobile Communication Technology Co., Ltd

Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5

Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd.

CP03 Change of name, title or address
CP01 Change in the name or title of a patent holder

Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province

Patentee after: CITIC Mobile Communication Technology Co.,Ltd.

Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province

Patentee before: CITIC Mobile Communication Technology Co., Ltd

CP01 Change in the name or title of a patent holder