CN104270774B - The method and communication system of communication based on micro-base station - Google Patents
The method and communication system of communication based on micro-base station Download PDFInfo
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- CN104270774B CN104270774B CN201410570848.8A CN201410570848A CN104270774B CN 104270774 B CN104270774 B CN 104270774B CN 201410570848 A CN201410570848 A CN 201410570848A CN 104270774 B CN104270774 B CN 104270774B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/32—Hierarchical cell structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/04—Large scale networks; Deep hierarchical networks
- H04W84/042—Public Land Mobile systems, e.g. cellular systems
- H04W84/045—Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B
Abstract
The invention provides a kind of communication means and communication system based on micro-base station, wherein, for the communication means based on micro-base station of any distant-end node, including：Obtain the supporting rate configuration information of the return link between Centroid；According to the supporting rate configuration information, the compression method chosen corresponding to the supporting rate configuration information is compressed to the communication data for carrying out self terminal, with the data after being compressed；The information of data after the compression, and the compression method is sent to the Centroid, so that the Centroid is handled the data after the compression according to the information of the compression method.Technical scheme can reduce the cost of micro-base station deployment；Meanwhile, it is capable to the data compression scheme for neatly selecting to match according to the different transmittabilities of return link, and then, without laying special return link again, the lower deployment cost of network can be reduce further by the use of existing circuit as return link.
Description
Technical field
The present invention relates to communication technical field, in particular to a kind of communication means based on micro-base station and a kind of base
In the communication system of micro-base station.
Background technology
Micro-base station (Small Cell) is a kind of small base station towards the deployment of the hot zones such as family, office, dining room.
Each layer protocol function of current in general micro-base station is more comprehensive, includes rf data transmitting-receiving, base band signal process, resource tune
The functions such as signaling/data interaction of degree and core net.Because micro-base station is full-featured, thus realize it is complex, cost compared with
It is high.
RRH (Remote Radio Head, remote radio unit (RRU)) is a kind of existing inexpensive micro-base station.RRH only has
There are radio-frequency receiving-transmitting, Up/Down Conversion (to adapt to the frequency characteristic of return link) and some simple DSP (Digital Signal
Processing, Digital Signal Processing) function, such as framing, time delay adjustment, Digital up and down convert.RRH by operator deployment,
It is connected by special return link with macro base station, and data interaction, specifically, the data that RRH will be received is carried out with macro base station
Macro base station is sent to by special return link, further data processing is done by macro base station.
Future wireless system network may develop into super-intensive network (Ultra-density Network, UDN), base station
Enormous amount, it is densely distributed.The more comprehensive micro-base station of protocol function realizes complicated, cost height.If in following UDN networks
It is still using the more comprehensive micro-base station of current this protocol function, the cost for causing networking is too high.According to current
RRH micro-base stations, then need operator to lay special return link, and as future network volume of transmitted data increases severely, return
Passing link needs to support higher capacity, adds the cost of network design.
Therefore, how on the premise of micro-base station cost is reduced, avoid laying return link again and increasing network
The cost of deployment turns into technical problem urgently to be resolved hurrily.
The content of the invention
The present invention is based at least one above-mentioned technical problem, it is proposed that a kind of new communication party based on micro-base station
Method so that distant-end node and Centroid reduce the cost of micro-base station deployment without realizing whole protocol stack functions；Together
When, data compression that Centroid and distant-end node neatly can match according to the selection of the different transmittabilities of return link
Mode, and then, without laying special return link again, can further be reduced by the use of existing circuit as return link
The lower deployment cost of network.
In view of this, the present invention proposes a kind of communication means based on micro-base station, and the micro-base station includes and core net
The connected Centroid of equipment, and at least one distant-end node being connected with the Centroid, the communication means are applicable
Any distant-end node at least one distant-end node, the communication means, including：Obtain with the Centroid it
Between return link supporting rate configuration information；According to the supporting rate configuration information, choose and correspond to the support speed
The compression method of rate configuration information is compressed to the communication data for carrying out self terminal, with the data after being compressed；By the pressure
Data after contracting, and the information of the compression method are sent to the Centroid, so that the Centroid is according to the pressure
The information of compression method is handled the data after the compression.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that save distal end
Point is only needed with data transmit-receive function and data compression and decompression function, i.e., distant-end node is without realizing whole protocol stack work(
Can, therefore reduce the cost of micro-base station deployment.And matched somebody with somebody by the supporting rate of the return link between acquisition and Centroid
Confidence ceases, and chooses corresponding compression method according to supporting rate configuration information and the communication data for carrying out self terminal is compressed,
The data compression scheme that distant-end node is neatly matched according to the selection of the different transmittabilities of return link, with suitable
Answer the transmittability of return link, so can by the use of existing circuit (such as ADSL, broadband connection, optical fiber connection) as time
Link is passed, without laying special return link again, reduce further the lower deployment cost of network.Wherein, Centroid root
The information of the compression method sent according to distant-end node carries out processing to the data after compression to be included：According to the letter of above-mentioned compression method
Cease and decompression processing is carried out to the data after compression.
In the above-mentioned technical solutions, it is preferable that the step of obtaining the supporting rate configuration information be specially：Described in reception
The supporting rate configuration information that Centroid is sent；Or read the supporting rate configuration information of user configuration；Or survey
The supporting rate configuration information of return link between amount and the Centroid.
In the technical scheme, distant-end node can have a variety of when obtaining the supporting rate configuration information of return link
Mode, such as mode one：Directly receive the supporting rate configuration information that Centroid is sent；Mode two：Read user's configured in advance
Supporting rate configuration information；Mode three：The support speed of the return link between Centroid is obtained by way of measurement
Rate configuration information.
In the above-mentioned technical solutions, it is preferable that the compression method includes：Compress mode and compression algorithm；The compression
Mode includes：The communication data is directly compressed, and the communication data is converted into base band data, and to described
Base band data is compressed using corresponding data compression algorithm.
Specifically, as distant-end node can use the different universal compressed algorithm of compression ratio, such as LZ (one kind coding calculations
Method) compression algorithm such as series of compression algorithm, WIN/RAR/ZIP, can also be to the base band data of different types of service using not
Same data compression algorithm.For example, using ITU H series of compression algorithms to image/video data, BZIP is used to text data
Compression algorithm, ITU G.723 compression algorithms are used to speech business, MPEG/ITU G.722 compression algorithms are used to audio service
Deng.
In the above-mentioned technical solutions, it is preferable that before the data after by the compression are sent to the Centroid also
Including：According to the frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that also include：Receive the compressed data that the Centroid is sent, Yi Jixiang
The information for the compression method answered；The information of the compression method sent according to the Centroid solves to the compressed data
Pressure, and the data after decompression are performed with frequency conversion process successively and is sent with radio frequency.
In the technical scheme, Centroid can also select corresponding according to the supporting rate configuration information of return link
Compress mode is compressed to the data sent to distant-end node, then distant-end node is receiving the compression number of Centroid transmission
According to afterwards, can be decompressed by corresponding decompressing method.
According to the second aspect of the invention, it is also proposed that a kind of communication means based on micro-base station, the micro-base station include
The Centroid being connected with equipment of the core network, and at least one distant-end node being connected with the Centroid, the communication
Method is applied to the Centroid, the communication means, including：Receive the communication data that the equipment of the core network is sent；Root
According to the supporting rate configuration information of the return link between the distant-end node, choose and match somebody with somebody confidence corresponding to the supporting rate
The compression method of breath is compressed to the communication data, with the data after being compressed；By data after the compression, Yi Jisuo
The information for stating compression method is sent to the distant-end node, for the distant-end node according to the information of the compression method to institute
The data after compression are stated to be handled.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that centromere
Point only needs have data transmit-receive function, data compression and decompression function and the scheduling of resource function to distant-end node, i.e. center
Node reduces the cost of micro-base station deployment without realizing whole protocol stack functions.And pass through acquisition and distant-end node
Between return link supporting rate configuration information, and corresponding compression method is chosen to coming according to supporting rate configuration information
It is compressed from the communication data of equipment of the core network so that Centroid can be neatly according to the different transmission energy of return link
The data compression scheme that power selection matches, to adapt to the transmittability of return link, and then existing circuit can be utilized (such as
ADSL (Asymmetric Digital Subscriber Line, Asymmetrical Digital Subscriber Line), broadband connection, optical fiber connection
Deng) return link is used as, without laying special return link again, it reduce further the lower deployment cost of network.Wherein, far
The information for the compression method that end node is sent according to Centroid carries out processing to the data after compression to be included：According to Centroid
The information of the compression method of transmission is decompressed to the data after compression, and the data after decompression are performed at frequency transformation successively
Reason is handled with radio frequency transmission.
In the above-mentioned technical solutions, it is preferable that sent in the data after by the compression to before the distant-end node, also
Including：According to the frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that also include：Receive the compressed data that the distant-end node is sent, Yi Jixiang
The information for the compression method answered；The information of the compression method sent according to the distant-end node decompresses to the compressed data
Processing.
In the technical scheme, when distant-end node selects corresponding compression according to the supporting rate configuration information of return link
Mode to send to the data of Centroid be compressed when, Centroid receive distant-end node transmission compressed data it
Afterwards, can be decompressed by corresponding decompressing method.
In the above-mentioned technical solutions, it is preferable that Centroid obtain return link supporting rate configuration information when,
There can be various ways, such as mode one：Read the supporting rate configuration information of user's configured in advance；Mode two：Pass through measurement
Mode obtains the supporting rate configuration information of the return link between distant-end node；Mode three：Receive what distant-end node was sent
Supporting rate configuration information.
According to the third aspect of the invention we, it is also proposed that a kind of communication system based on micro-base station, the micro-base station include
The Centroid being connected with equipment of the core network, and at least one distant-end node being connected with the Centroid, the communication
Any distant-end node of the system suitable at least one distant-end node, the communication system, including：Acquiring unit, use
In the supporting rate configuration information for obtaining the return link between the Centroid；Compression unit, for being obtained according to
The supporting rate configuration information that unit is got is taken, chooses the compression method pair corresponding to the supporting rate configuration information
The communication data for carrying out self terminal is compressed, with the data after being compressed；Transmitting element, for by data after the compression,
And the information of the compression method is sent to the Centroid, so that the Centroid is according to the letter of the compression method
Breath is handled the data after the compression.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that save distal end
Point is only needed with data transmit-receive function and data compression and decompression function, i.e., distant-end node is without realizing whole protocol stack work(
Can, therefore reduce the cost of micro-base station deployment.And matched somebody with somebody by the supporting rate of the return link between acquisition and Centroid
Confidence ceases, and chooses corresponding compression method according to supporting rate configuration information and the communication data for carrying out self terminal is compressed,
The data compression scheme that distant-end node is neatly matched according to the selection of the different transmittabilities of return link, with suitable
Answer the transmittability of return link, so can by the use of existing circuit (such as ADSL, broadband connection, optical fiber connection) as time
Link is passed, without laying special return link again, reduce further the lower deployment cost of network.Wherein, Centroid root
The information of the compression method sent according to distant-end node carries out processing to the data after compression to be included：According to the letter of above-mentioned compression method
Cease and decompression processing is carried out to the data after compression.
In the above-mentioned technical solutions, it is preferable that the acquiring unit includes：First receiving unit, for receive it is described in
The supporting rate configuration information that heart node is sent；Or reading unit, the supporting rate for reading user configuration are matched somebody with somebody
Confidence ceases；Or measuring unit, for measuring the supporting rate configuration information of the return link between the Centroid.
In the technical scheme, distant-end node can have a variety of when obtaining the supporting rate configuration information of return link
Mode, such as mode one：Directly receive the supporting rate configuration information that Centroid is sent；Mode two：Read user's configured in advance
Supporting rate configuration information；Mode three：The support speed of the return link between Centroid is obtained by way of measurement
Rate configuration information.
In the above-mentioned technical solutions, it is preferable that the compression method that the compression unit uses includes：Compress mode and
Compression algorithm；The compress mode includes：The communication data is directly compressed, and the communication data is converted to
Base band data, and the base band data is compressed using corresponding data compression algorithm.
Specifically, as distant-end node can use the different universal compressed algorithm of compression ratio, such as LZ series of compression algorithm,
The compression algorithms such as WIN/RAR/ZIP, different data compression algorithms can also be used to the base band data of different types of service.
For example, using ITU H series of compression algorithms to image/video data, BZIP compression algorithms are used to text data, to voice industry
Business uses ITU G.723 compression algorithms, and MPEG/ITU G.722 compression algorithms etc. are used to audio service.
In the above-mentioned technical solutions, it is preferable that also include：Processing unit, in the transmitting element by the compression
Data afterwards are sent to before the Centroid, according to the frequency characteristic of the return link, to the data after the compression
Carry out frequency conversion process.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that also include：Second receiving unit, sent for receiving the Centroid
Compressed data, and the information of corresponding compression method；Decompression units, for the compression side sent according to the Centroid
The information of method decompresses to the compressed data；The transmitting element is additionally operable to, the data after being decompressed to the decompression units
Frequency conversion process is performed successively to send with radio frequency.
In the technical scheme, Centroid can also select corresponding according to the supporting rate configuration information of return link
Compress mode is compressed to the data sent to distant-end node, then distant-end node is receiving the compression number of Centroid transmission
According to afterwards, can be decompressed by corresponding decompressing method.
According to the fourth aspect of the invention, it is also proposed that a kind of communication system based on micro-base station, the micro-base station include
The Centroid being connected with equipment of the core network, and at least one distant-end node being connected with the Centroid, the communication
System is applied to the Centroid, the communication system, including：Receiving unit, sent for receiving the equipment of the core network
Communication data；Compression unit, for according to the supporting rate configuration information with the return link between the distant-end node, choosing
The compression method corresponding to the supporting rate configuration information is taken to be compressed the communication data, with the number after being compressed
According to；Transmitting element, for data after the compression, and the information of the compression method to be sent to the distant-end node, with
The data after the compression are handled according to the information of the compression method for the distant-end node.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that centromere
Point only needs have data transmit-receive function, data compression and decompression function and the scheduling of resource function to distant-end node, i.e. center
Node reduces the cost of micro-base station deployment without realizing whole protocol stack functions.And pass through acquisition and distant-end node
Between return link supporting rate configuration information, and corresponding compression method is chosen to coming according to supporting rate configuration information
It is compressed from the communication data of equipment of the core network so that Centroid can be neatly according to the different transmission energy of return link
The data compression scheme that power selection matches, to adapt to the transmittability of return link, and then existing circuit can be utilized (such as
ADSL, broadband connection, optical fiber connection etc.) return link is used as, without laying special return link again, reduce further
The lower deployment cost of network.Wherein, the information for the compression method that distant-end node is sent according to Centroid is entered to the data after compression
Row processing includes：The data after compression are decompressed according to the information of compression method that Centroid is sent, and to decompression after
Data perform frequency conversion process and radio frequency transmission successively and handle.
In the above-mentioned technical solutions, it is preferable that also include：Processing unit, in the transmitting element by the compression
Data afterwards are sent to before the distant-end node, according to the frequency characteristic of the return link, to the data after the compression
Carry out frequency conversion process.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that the receiving unit is additionally operable to, and receives the compression that the distant-end node is sent
Data, and the information of corresponding compression method；The communication system based on micro-base station also includes：Decompression units, for root
The information of the compression method sent according to the distant-end node carries out decompression processing to the compressed data.
In the technical scheme, when distant-end node selects corresponding compression according to the supporting rate configuration information of return link
Mode to send to the data of Centroid be compressed when, Centroid receive distant-end node transmission compressed data it
Afterwards, can be decompressed by corresponding decompressing method.
In the above-mentioned technical solutions, it is preferable that Centroid obtain return link supporting rate configuration information when,
There can be various ways, such as mode one：Read the supporting rate configuration information of user's configured in advance；Mode two：Pass through measurement
Mode obtains the supporting rate configuration information of the return link between distant-end node；Mode three：Receive what distant-end node was sent
Supporting rate configuration information.
Pass through above technical scheme so that distant-end node is only needed with data transmit-receive function and data compression and decompression work(
Can, Centroid only needs have data transmit-receive function, data compression and decompression function and the scheduling of resource work(to distant-end node
Can, i.e., distant-end node and Centroid reduce the cost of micro-base station deployment without realizing whole protocol stack functions；Meanwhile
The data compression side that Centroid and distant-end node neatly can match according to the selection of the different transmittabilities of return link
Formula, and then, without laying special return link again, can reduce further by the use of existing circuit as return link
The lower deployment cost of network.
Brief description of the drawings
Fig. 1 shows the communication means based on micro-base station according to an embodiment of the invention for any distant-end node
Schematic flow diagram；
Fig. 2 shows the communication system based on micro-base station according to an embodiment of the invention for any distant-end node
Schematic block diagram；
Fig. 3 shows the signal of the communication means based on micro-base station according to an embodiment of the invention for Centroid
Flow chart；
Fig. 4 shows the signal of the communication system based on micro-base station according to an embodiment of the invention for Centroid
Block diagram；
Fig. 5 shows the schematic block diagram of micro-base station system according to an embodiment of the invention.
Embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Mode is applied the present invention is further described in detail.It should be noted that in the case where not conflicting, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be different from other modes described here using other to implement, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Micro-base station of the present invention includes：The Centroid being connected with equipment of the core network, and with the Centroid
Connected at least one distant-end node.
Fig. 1 shows the communication means based on micro-base station according to an embodiment of the invention for any distant-end node
Schematic flow diagram.
As shown in figure 1, the communication means based on micro-base station according to an embodiment of the invention for any distant-end node,
Including：Step 102, the supporting rate configuration information of the return link between Centroid is obtained；Step 104, according to described
Supporting rate configuration information, the compression method corresponding to the supporting rate configuration information is chosen to carrying out the communication data of self terminal
It is compressed, with the data after being compressed；Step 106, by the information hair of data after the compression, and the compression method
The Centroid is delivered to, so that the Centroid is carried out according to the information of the compression method to the data after the compression
Processing.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that save distal end
Point is only needed with data transmit-receive function and data compression and decompression function, i.e., distant-end node is without realizing whole protocol stack work(
Can, therefore reduce the cost of micro-base station deployment.And matched somebody with somebody by the supporting rate of the return link between acquisition and Centroid
Confidence ceases, and chooses corresponding compression method according to supporting rate configuration information and the communication data for carrying out self terminal is compressed,
The data compression scheme that distant-end node is neatly matched according to the selection of the different transmittabilities of return link, with suitable
Answer the transmittability of return link, so can by the use of existing circuit (such as ADSL, broadband connection, optical fiber connection) as time
Link is passed, without laying special return link again, reduce further the lower deployment cost of network.Wherein, Centroid root
The information of the compression method sent according to distant-end node carries out processing to the data after compression to be included：According to the letter of above-mentioned compression method
Cease and decompression processing is carried out to the data after compression.
In the above-mentioned technical solutions, it is preferable that the step of obtaining the supporting rate configuration information be specially：Described in reception
The supporting rate configuration information that Centroid is sent；Or read the supporting rate configuration information of user configuration；Or survey
The supporting rate configuration information of return link between amount and the Centroid.
In the technical scheme, distant-end node can have a variety of when obtaining the supporting rate configuration information of return link
Mode, such as mode one：Directly receive the supporting rate configuration information that Centroid is sent；Mode two：Read user's configured in advance
Supporting rate configuration information；Mode three：The support speed of the return link between Centroid is obtained by way of measurement
Rate configuration information.
In the above-mentioned technical solutions, it is preferable that the compression method includes：Compress mode and compression algorithm；The compression
Mode includes：The communication data is directly compressed, and the communication data is converted into base band data, and to described
Base band data is compressed using corresponding data compression algorithm.
Specifically, as distant-end node can use the different universal compressed algorithm of compression ratio, such as LZ series of compression algorithm,
The compression algorithms such as WIN/RAR/ZIP, different data compression algorithms can also be used to the base band data of different types of service.
For example, using ITU H series of compression algorithms to image/video data, BZIP compression algorithms are used to text data, to voice industry
Business uses ITU G.723 compression algorithms, and MPEG/ITU G.722 compression algorithms etc. are used to audio service.
In the above-mentioned technical solutions, it is preferable that before the data after by the compression are sent to the Centroid also
Including：According to the frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that also include：Receive the compressed data that the Centroid is sent, Yi Jixiang
The information for the compression method answered；The information of the compression method sent according to the Centroid solves to the compressed data
Pressure, and the data after decompression are performed with frequency conversion process successively and is sent with radio frequency.
In the technical scheme, Centroid can also select corresponding according to the supporting rate configuration information of return link
Compress mode is compressed to the data sent to distant-end node, then distant-end node is receiving the compression number of Centroid transmission
According to afterwards, can be decompressed by corresponding decompressing method.
Fig. 2 shows the communication system based on micro-base station according to an embodiment of the invention for any distant-end node
Schematic block diagram.
As shown in Fig. 2 the communication system based on micro-base station according to an embodiment of the invention for any distant-end node
200, including：Acquiring unit 202, the supporting rate configuration information for the return link between acquisition and Centroid；Compression
Unit 204, for the supporting rate configuration information got according to the acquiring unit 202, selection corresponds to the branch
The compression method for holding rate configuration information is compressed to the communication data for carrying out self terminal, with the data after being compressed；Send
Unit 206, for data after the compression, and the information of the compression method to be sent to the Centroid, for institute
Centroid is stated to handle the data after the compression according to the information of the compression method.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that save distal end
Point is only needed with data transmit-receive function and data compression and decompression function, i.e., distant-end node is without realizing whole protocol stack work(
Can, therefore reduce the cost of micro-base station deployment.And matched somebody with somebody by the supporting rate of the return link between acquisition and Centroid
Confidence ceases, and chooses corresponding compression method according to supporting rate configuration information and the communication data for carrying out self terminal is compressed,
The data compression scheme that distant-end node is neatly matched according to the selection of the different transmittabilities of return link, with suitable
Answer the transmittability of return link, so can by the use of existing circuit (such as ADSL, broadband connection, optical fiber connection) as time
Link is passed, without laying special return link again, reduce further the lower deployment cost of network.Wherein, Centroid root
The information of the compression method sent according to distant-end node carries out processing to the data after compression to be included：According to the letter of above-mentioned compression method
Cease and decompression processing is carried out to the data after compression.
In the above-mentioned technical solutions, it is preferable that the acquiring unit 202 includes：First receiving unit 2022, for receiving
The supporting rate configuration information that the Centroid is sent；Or reading unit 2024, for reading described in user configuration
Supporting rate configuration information；Or measuring unit 2026, for measuring the support speed of the return link between the Centroid
Rate configuration information.
In the technical scheme, distant-end node can have a variety of when obtaining the supporting rate configuration information of return link
Mode, such as mode one：Directly receive the supporting rate configuration information that Centroid is sent；Mode two：Read user's configured in advance
Supporting rate configuration information；Mode three：The support speed of the return link between Centroid is obtained by way of measurement
Rate configuration information.
In the above-mentioned technical solutions, it is preferable that the compression method that the compression unit 204 uses includes：Compression side
Formula and compression algorithm；The compress mode includes：The communication data is directly compressed, and the communication data is turned
Base band data is changed to, and the base band data is compressed using corresponding data compression algorithm.
Specifically, as distant-end node can use the different universal compressed algorithm of compression ratio, such as LZ series of compression algorithm,
The compression algorithms such as WIN/RAR/ZIP, different data compression algorithms can also be used to the base band data of different types of service.
For example, using ITU H series of compression algorithms to image/video data, BZIP compression algorithms are used to text data, to voice industry
Business uses ITU G.723 compression algorithms, and MPEG/ITU G.722 compression algorithms etc. are used to audio service.
In the above-mentioned technical solutions, it is preferable that also include：Processing unit 208, in the transmitting element 206 by institute
State the data after compression to send to before the Centroid, according to the frequency characteristic of the return link, after the compression
Data carry out frequency conversion process.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that also include：Second receiving unit 210, for receiving the Centroid hair
The compressed data sent, and the information of corresponding compression method；Decompression units 212, for what is sent according to the Centroid
The information of compression method decompresses to the compressed data；The transmitting element 206 is additionally operable to, to the decompression units 212
Data after decompression perform frequency conversion process and send operation with radio frequency successively.
In the technical scheme, Centroid can also select corresponding according to the supporting rate configuration information of return link
Compress mode is compressed to the data sent to distant-end node, then distant-end node is receiving the compression number of Centroid transmission
According to afterwards, can be decompressed by corresponding decompressing method.
Fig. 3 shows the signal of the communication means based on micro-base station according to an embodiment of the invention for Centroid
Flow chart.
As shown in figure 3, the communication means based on micro-base station according to an embodiment of the invention for Centroid, bag
Include：Step 302, the communication data that equipment of the core network is sent is received；Step 304, according to the return link between distant-end node
Supporting rate configuration information, choose corresponding to the supporting rate configuration information compression method to the communication data carry out
Compression, with the data after being compressed；Step 306, by data after the compression, and the compression method information send to
The distant-end node, for the distant-end node according to the information of the compression method to the data after the compression at
Reason.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that centromere
Point only needs have data transmit-receive function, data compression and decompression function and the scheduling of resource function to distant-end node, i.e. center
Node reduces the cost of micro-base station deployment without realizing whole protocol stack functions.And pass through acquisition and distant-end node
Between return link supporting rate configuration information, and corresponding compression method is chosen to coming according to supporting rate configuration information
It is compressed from the communication data of equipment of the core network so that Centroid can be neatly according to the different transmission energy of return link
The data compression scheme that power selection matches, to adapt to the transmittability of return link, and then existing circuit can be utilized (such as
ADSL, broadband connection, optical fiber connection etc.) return link is used as, without laying special return link again, reduce further
The lower deployment cost of network.Wherein, the information for the compression method that distant-end node is sent according to Centroid is entered to the data after compression
Row processing includes：The data after compression are decompressed according to the information of compression method that Centroid is sent, and to decompression after
Data perform frequency conversion process and radio frequency transmission successively and handle.
In the above-mentioned technical solutions, it is preferable that sent in the data after by the compression to before the distant-end node, also
Including：According to the frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that also include：Receive the compressed data that the distant-end node is sent, Yi Jixiang
The information for the compression method answered；The information of the compression method sent according to the distant-end node decompresses to the compressed data
Processing.
In the technical scheme, when distant-end node selects corresponding compression according to the supporting rate configuration information of return link
Mode to send to the data of Centroid be compressed when, Centroid receive distant-end node transmission compressed data it
Afterwards, can be decompressed by corresponding decompressing method.
In the above-mentioned technical solutions, it is preferable that Centroid obtain return link supporting rate configuration information when,
There can be various ways, such as mode one：Read the supporting rate configuration information of user's configured in advance；Mode two：Pass through measurement
Mode obtains the supporting rate configuration information of the return link between distant-end node；Mode three：Receive what distant-end node was sent
Supporting rate configuration information.
Fig. 4 shows the signal of the communication system based on micro-base station according to an embodiment of the invention for Centroid
Block diagram.
As shown in figure 4, the communication system based on micro-base station according to an embodiment of the invention for Centroid, bag
Include：Receiving unit 402, for receiving the communication data of equipment of the core network transmission；Compression unit 404, for according to it is described remote
The supporting rate configuration information of return link between end node, choose the compression side corresponding to the supporting rate configuration information
Method is compressed to the communication data, with the data after being compressed；Transmitting element 406, for by data after the compression,
And the information of the compression method is sent to the distant-end node, so that the distant-end node is according to the letter of the compression method
Breath is handled the data after the compression.
In the technical scheme, by forming micro-base station by Centroid and at least one distant-end node so that centromere
Point only needs have data transmit-receive function, data compression and decompression function and the scheduling of resource function to distant-end node, i.e. center
Node reduces the cost of micro-base station deployment without realizing whole protocol stack functions.And pass through acquisition and distant-end node
Between return link supporting rate configuration information, and corresponding compression method is chosen to coming according to supporting rate configuration information
It is compressed from the communication data of equipment of the core network so that Centroid can be neatly according to the different transmission energy of return link
The data compression scheme that power selection matches, to adapt to the transmittability of return link, and then existing circuit can be utilized (such as
ADSL, broadband connection, optical fiber connection etc.) return link is used as, without laying special return link again, reduce further
The lower deployment cost of network.Wherein, the information for the compression method that distant-end node is sent according to Centroid is entered to the data after compression
Row processing includes：The data after compression are decompressed according to the information of compression method that Centroid is sent, and to decompression after
Data perform frequency conversion process and radio frequency transmission successively and handle.
In the above-mentioned technical solutions, it is preferable that also include：Processing unit 408, in the transmitting element 406 by institute
State the data after compression to send to before the distant-end node, according to the frequency characteristic of the return link, after the compression
Data carry out frequency conversion process.
In the technical scheme, by carrying out frequency conversion process to the data after compression so that at frequency transformation
Data after reason can adapt to the frequency characteristic of return link.
In the above-mentioned technical solutions, it is preferable that the receiving unit 402 is additionally operable to, and receives what the distant-end node was sent
Compressed data, and the information of corresponding compression method；The communication system 400 based on micro-base station also includes：Decompression units
410, the information of the compression method for being sent according to the distant-end node carries out decompression processing to the compressed data.
In the technical scheme, when distant-end node selects corresponding compression according to the supporting rate configuration information of return link
Mode to send to the data of Centroid be compressed when, Centroid receive distant-end node transmission compressed data it
Afterwards, can be decompressed by corresponding decompressing method.
In the above-mentioned technical solutions, it is preferable that Centroid obtain return link supporting rate configuration information when,
There can be various ways, such as mode one：Read the supporting rate configuration information of user's configured in advance；Mode two：Pass through measurement
Mode obtains the supporting rate configuration information of the return link between distant-end node；Mode three：Receive what distant-end node was sent
Supporting rate configuration information.
Fig. 5 shows the schematic block diagram of micro-base station system according to an embodiment of the invention.
As shown in figure 5, micro-base station system according to an embodiment of the invention, including：Distant-end node 504, Centroid 502
And return link between the two.
Wherein, distant-end node 504 has radio-frequency receiving-transmitting function, data compression/decompression function；Centroid 502 has number
According to functions such as compression/decompression, data processing, scheduling of resource.One Centroid 502 can connect several distant-end nodes 504.
Different return links may support different capacity, i.e. peak transfer rate.
The flow to be communicated in above-mentioned micro-base station system includes uplink communication flow and downlink communication flow, divides below
Do not illustrate：
Uplink communication flow, the i.e. communication process of distant-end node 504 to Centroid 502 include：
Step 1：Distant-end node 504 obtains the supporting rate configuration information of return link.
Specifically, distant-end node 504 can be by obtaining the support of the return link with the information exchange of Centroid 502
Rate configuration information, it can also be detected when distant-end node 504 is installed by the human configuration information, or by distant-end node 504
With the supporting rate configuration information of the connection line of Centroid 502.The supporting rate configuration information of return link can be supported
Speed absolute value or the speed grade information of quantization.
Step 2：According to the supporting rate information of return link, distant-end node 504 uses different pressures to receiving radio-frequency information
The compress mode of shrinkage, obtain the compressed data of matching return link supporting rate.Adoptable compress mode includes：
(1) distant-end node 504 will sample and compress two mistakes using the method for radio frequency compression sampling in Receiver Module
Journey is integrated, the sampled data of direct output squeezing.But the method require reception signal be it is sparse, i.e., it is orthogonal at some
There is sparse expression formula on base, otherwise, the data sampled out in such a manner will imitate without compression effectiveness or the only compression of very little
Fruit.
(2) distant-end node 504 receives data by Receiver Module, and by radio frequency-baseband conversion module, by radio frequency
Data conversion is into base band data.Distant-end node 504 is compressed using corresponding data compression algorithm to base band data.More specifically
, distant-end node 504 can use the different universal compressed algorithm of compression ratio, such as the compression such as LZ series, WIN/RAR/ZIP to calculate
Method, different data compression algorithms can also be used to the base band data of different types of service.For example, to image/video data
Using ITU H series of compression algorithms, BZIP compression algorithms are used to text data, G.723 speech business is compressed using ITU
Algorithm, to audio service using the MPEG/ITU compression algorithms such as G.722.
Step 3：Distant-end node 504 is by the data after compression, and corresponding compress mode, compression algorithm information are by returning
Pass link and be sent to Centroid 502.Distant-end node 504 may be carried out before compressed data is sent to compressed data
Down coversion, to adapt to the frequency characteristic of return link.
Step 4：After Centroid 502 receives the compressed data that distant-end node 504 is sent, notified according to distant-end node 504
Compress mode, compression algorithm carry out data decompression.Centroid 502 carries out related data processing again after obtaining decompression data
Deng operation.
Downlink communication flow, the i.e. communication process of Centroid 502 to distant-end node 504 include：
Step 1：After Centroid 502 from forward data such as core net, Internet to carrying out data processing, according to center
The supporting rate configuration information of return link between node 502 and distant-end node 504, select the compress mode of different compression ratios
The data of distant-end node 504 to be transmitted to are compressed, with the supporting rate of matching transmission link.
Step 2：Centroid 502 is by the data after compression, and corresponding compress mode, compression algorithm information are by returning
Pass link and be sent to distant-end node 504.Centroid 502 may enter line frequency before compressed data is sent to compressed data
Rate converts, to adapt to the frequency characteristic of return link.
Step 3：After distant-end node 504 receives the compressed data that Centroid 502 is sent, notified according to Centroid 502
Compress mode, compression algorithm carry out data decompression.Distant-end node 504 carries out frequency conversion again after obtaining decompression data, radio frequency is sent
Deng operation.
In above-mentioned micro-base station system, distant-end node is due to only realizing radio-frequency receiving-transmitting, data compression/decompression and possibility
Radio frequency-the baseband-converted and Up/Down Conversion function needed, it is not necessary to realize whole protocol stack functions.Thus realization is simple, into
This is relatively low.And the function such as complicated data processing, scheduling concentrates on Centroid realization, it is easy to resource management and the equipment of concentration
Safeguard.In addition, the flexible data compression scheme of distant-end node and Centroid can match the passback chain of different transmittabilities
Road, thus existing passback mode may be utilized, such as the various different transmittabilities such as ADSL, broadband connection, optical fiber connection
Circuit as return link, avoid special return link laying, reduce network design cost.
Technical scheme is described in detail above in association with accompanying drawing, it is contemplated that existing micro-base station is realized more multiple
Miscellaneous, cost is higher.And for RRH micro-base stations, then need operator to lay special return link, and with future network number
Increase severely according to transmission quantity, return link needs to support higher capacity, adds the cost of network design.Therefore, the present invention proposes
A kind of new communication means based on micro-base station so that distant-end node and Centroid are without realizing whole protocol stack work(
Can, reduce the cost that micro-base station is disposed；Meanwhile Centroid and distant-end node can be neatly according to the differences of return link
The data compression scheme that transmittability selection matches, and then can be by the use of existing circuit as return link, without again
Special return link is laid, reduce further the lower deployment cost of network.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (16)
1. a kind of communication means based on micro-base station, it is characterised in that the micro-base station is included in being connected with equipment of the core network
Heart node, and at least one distant-end node being connected with the Centroid, the communication means are applied to described at least one
Any distant-end node in individual distant-end node, the communication means, including：
Obtain the supporting rate configuration information of the return link between the Centroid；
According to the supporting rate configuration information, the compression method corresponding to the supporting rate configuration information is chosen to from end
The communication data at end is compressed, with the data after being compressed；
The information of data after the compression, and the compression method is sent to the Centroid, for the centromere
Point is handled the data after the compression according to the information of the compression method.
2. the communication means according to claim 1 based on micro-base station, it is characterised in that obtain the supporting rate configuration
The step of information is specially：
Receive the supporting rate configuration information that the Centroid is sent；Or
Read the supporting rate configuration information of user configuration；Or
The supporting rate configuration information of return link between measurement and the Centroid.
3. the communication means according to claim 1 based on micro-base station, it is characterised in that the compression method includes：Pressure
Contracting mode and compression algorithm；
The compress mode includes：
The communication data is directly compressed, and the communication data is converted into base band data, and to the base band
Data are compressed using corresponding data compression algorithm.
4. the communication means according to any one of claim 1 to 3 based on micro-base station, it is characterised in that by described in
Data after compression also include before sending to the Centroid：
According to the frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
5. the communication means according to any one of claim 1 to 3 based on micro-base station, it is characterised in that also include：
Receive the Centroid compressed data that the Centroid is sent, and the information of corresponding compression method；
The information of the compression method sent according to the Centroid decompresses to the Centroid compressed data, and to solution
Data after pressure perform frequency conversion process and handled with radio frequency transmission successively.
6. a kind of communication means based on micro-base station, it is characterised in that the micro-base station is included in being connected with equipment of the core network
Heart node, and at least one distant-end node being connected with the Centroid, the communication means are applied to the centromere
Point, the communication means, including：
Receive the communication data that the equipment of the core network is sent；
According to the supporting rate configuration information of the return link between the distant-end node, selection corresponds to the supporting rate
The compression method of configuration information is compressed to the communication data, with the data after being compressed；
The information of data after the compression, and the compression method is sent to the distant-end node, so that the distal end is saved
Point is handled the data after the compression according to the information of the compression method.
7. the communication means according to claim 6 based on micro-base station, it is characterised in that the data after by the compression
Send to before the distant-end node, in addition to：
According to the frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
8. the communication means based on micro-base station according to claim 6 or 7, it is characterised in that also include：
Receive the distant-end node compressed data that the distant-end node is sent, and the information of corresponding compression method；
The information of the compression method sent according to the distant-end node carries out decompression processing to the distant-end node compressed data.
9. a kind of communication system based on micro-base station, it is characterised in that the micro-base station is included in being connected with equipment of the core network
Heart node, and at least one distant-end node being connected with the Centroid, the communication system are applied to described at least one
Any distant-end node in individual distant-end node, the communication system, including：
Acquiring unit, for obtaining the supporting rate configuration information of the return link between the Centroid；
Compression unit, for the supporting rate configuration information got according to the acquiring unit, choose described in corresponding to
The compression method of supporting rate configuration information is compressed to the communication data for carrying out self terminal, with the data after being compressed；
Transmitting element, for data after the compression, and the information of the compression method to be sent to the Centroid, with
The data after the compression are handled according to the information of the compression method for the Centroid.
10. the communication system according to claim 9 based on micro-base station, it is characterised in that the acquiring unit includes：
First receiving unit, the supporting rate configuration information sent for receiving the Centroid；Or
Reading unit, for reading the supporting rate configuration information of user configuration；Or
Measuring unit, for measuring the supporting rate configuration information of the return link between the Centroid.
11. the communication system according to claim 9 based on micro-base station, it is characterised in that what the compression unit used
The compression method includes：Compress mode and compression algorithm；
The compress mode includes：
The communication data is directly compressed, and the communication data is converted into base band data, and to the base band
Data are compressed using corresponding data compression algorithm.
12. the communication system based on micro-base station according to any one of claim 9 to 11, it is characterised in that also include：
Processing unit, for the data after the compression to be sent to before the Centroid in the transmitting element, according to
The frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
13. the communication system based on micro-base station according to any one of claim 9 to 11, it is characterised in that also include：
Second receiving unit, the Centroid compressed data sent for receiving the Centroid, and corresponding compression side
The information of method；
Decompression units, the information of the compression method for being sent according to the Centroid are entered to the Centroid compressed data
Row decompression；
The transmitting element is additionally operable to, and the data after being decompressed to the decompression units perform frequency conversion process and sent out with radio frequency successively
Send processing.
14. a kind of communication system based on micro-base station, it is characterised in that the micro-base station is included in being connected with equipment of the core network
Heart node, and at least one distant-end node being connected with the Centroid, the communication system are applied to the centromere
Point, the communication system, including：
Receiving unit, the communication data sent for receiving the equipment of the core network；
Compression unit, for according to the supporting rate configuration information with the return link between the distant-end node, choosing corresponding
The communication data is compressed in the compression method of the supporting rate configuration information, with the data after being compressed；
Transmitting element, for data after the compression, and the information of the compression method to be sent to the distant-end node, with
The data after the compression are handled according to the information of the compression method for the distant-end node.
15. the communication system according to claim 14 based on micro-base station, it is characterised in that also include：
Processing unit, for the data after the compression to be sent to before the distant-end node in the transmitting element, according to
The frequency characteristic of the return link, frequency conversion process is carried out to the data after the compression.
16. the communication system based on micro-base station according to claims 14 or 15, it is characterised in that the receiving unit is also
For receiving the distant-end node compressed data that the distant-end node is sent, and the information of corresponding compression method；
The communication system based on micro-base station also includes：
Decompression units, the information of the compression method for being sent according to the distant-end node are entered to the distant-end node compressed data
Row decompression processing.
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| CN101754490A (en) * | 2008-12-17 | 2010-06-23 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN102065470A (en) * | 2009-11-18 | 2011-05-18 | 中兴通讯股份有限公司 | Data transmission method, device and distributed base station system |
| CN104105133A (en) * | 2013-04-07 | 2014-10-15 | 华为技术有限公司 | Distributed base station and method and device for processing data in distributed base station |
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| CN101754490A (en) * | 2008-12-17 | 2010-06-23 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN102065470A (en) * | 2009-11-18 | 2011-05-18 | 中兴通讯股份有限公司 | Data transmission method, device and distributed base station system |
| CN104105133A (en) * | 2013-04-07 | 2014-10-15 | 华为技术有限公司 | Distributed base station and method and device for processing data in distributed base station |
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