CN104270774A - Communication method and communication system based on micro base station - Google Patents
Communication method and communication system based on micro base station Download PDFInfo
- Publication number
- CN104270774A CN104270774A CN201410570848.8A CN201410570848A CN104270774A CN 104270774 A CN104270774 A CN 104270774A CN 201410570848 A CN201410570848 A CN 201410570848A CN 104270774 A CN104270774 A CN 104270774A
- Authority
- CN
- China
- Prior art keywords
- data
- compression
- centroid
- distant
- end node
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
The invention provides a communication method and a communication system based on a micro base station. The communication method based on the micro base station for any remote node comprises the following steps: acquiring supporting rate configuration information of a return link between the remote node and a center node; selecting a compression method corresponding to the supporting rate configuration information to compress communication data from a terminal to obtain compressed data; sending the compressed data and information of the compression method to the center node, so that the center node can process the compressed data according to the information of the compression method. According to the technical scheme, the arrangement cost of the micro base station can be lowered; meanwhile, a matched data compression mode is flexibly selected according to different transmission capacities of the return link, so that an existing link can be used as the return link, and a special return link does not need to be re-paved; therefore, the arrangement cost of a network is further lowered.
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 communication system based on micro-base station.
Background technology
Micro-base station (Small Cell) is a kind of small base station that hot zones is disposed towards family, office, dining room etc.The each layer protocol function in current micro-base station is generally comparatively comprehensive, includes rf data transmitting-receiving, base band signal process, scheduling of resource, and the function such as signaling/data interaction of core net.Because micro-base station functions is comprehensive, therefore realize comparatively complicated, cost is higher.
RRH (Remote Radio Head, remote radio unit (RRU)) is micro-base station of existing a kind of low cost.RRH only has 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, as framing, time delay adjustment, Digital up and down convert etc.RRH, by operator deployment, is connected with macro base station by special return link, and carries out data interaction with macro base station, and particularly, RRH sends by special return link the data received to macro base station, does further data processing by macro base station.
Future wireless system network may develop into super-intensive network (Ultra-density Network, UDN), and the enormous amount of base station is densely distributed.The comparatively comprehensive micro-base station of protocol function realizes complicated, and cost is high.If still adopt the comparatively comprehensive micro-base station of current this protocol function in following UDN network, the high cost of networking will be caused.According to the micro-base station of current RRH, then need operator to lay special return link, and along with the sharp increase of future network volume of transmitted data, return link need to support higher capacity, adds the cost of network design.
Therefore, how can under the prerequisite reducing micro-base station cost, avoid again laying return link and the cost that increases network design becomes technical problem urgently to be resolved hurrily.
Summary of the invention
The present invention based on above-mentioned technical problem one of at least, proposes a kind of communication means based on micro-base station newly, making distant-end node and Centroid without the need to realizing whole protocol stack functions, reducing the cost of micro-base station deployment just; Simultaneously, Centroid and distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, and then existing circuit can be utilized as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.
In view of this, the present invention proposes a kind of communication means based on micro-base station, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication means is applicable to the arbitrary distant-end node at least one distant-end node described, described communication means, comprising: the supporting rate configuration information obtaining the return link between described Centroid; According to described supporting rate configuration information, the compression method chosen corresponding to described supporting rate configuration information compresses the communication data carrying out self terminal, to obtain the data after compressing; By data after described compression, and the information of described compression method is sent to described Centroid, processes according to the information of described compression method for described Centroid to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, make distant-end node only need to have data transmit-receive function and data compression and solution compression functions, namely distant-end node is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between Centroid, and choose corresponding compression method according to supporting rate configuration information the communication data carrying out self terminal is compressed, make distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of compression method that Centroid sends according to distant-end node is carried out process to the data after compression and is comprised: the information according to above-mentioned compression method carries out decompression processing to the data after compression.
In technique scheme, preferably, the step obtaining described supporting rate configuration information is specially: receive the described supporting rate configuration information that described Centroid sends; Or read user configured described supporting rate configuration information; Or measure the supporting rate configuration information of the return link between described Centroid.
In this technical scheme, distant-end node, when obtaining the supporting rate configuration information of return link, can have various ways, as mode one: the supporting rate configuration information of directly receiving center node transmission; Mode two: the supporting rate configuration information reading user's configured in advance; Mode three: the supporting rate configuration information being obtained the return link between Centroid by the mode measured.
In technique scheme, preferably, described compression method comprises: compress mode and compression algorithm; Described compress mode comprises: directly compress described communication data, and described communication data is converted to base band data, and adopts corresponding data compression algorithm to compress to described base band data.
Particularly, as the universal compressed algorithm that distant-end node can adopt compression ratio different, the compression algorithms such as such as LZ (a kind of encryption algorithm) series of compression algorithm, WIN/RAR/ZIP, also can adopt different data compression algorithms to the base band data of different types of service.Such as, to image/video data acquisition ITU H series of compression algorithm, BZIP compression algorithm is adopted to text data, ITU G.723 compression algorithm is adopted to speech business, MPEG/ITU G.722 compression algorithm etc. is adopted to audio service.
In technique scheme, preferably, also comprised before the data after described compression are sent to described Centroid: according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, also comprise: receive the packed data that described Centroid sends, and the information of corresponding compression method; The information of the compression method sent according to described Centroid carries out decompress(ion) to described packed data, and performs frequency conversion process successively to the data after decompress(ion) and radio frequency sends.
In this technical scheme, Centroid also can select corresponding compress mode to compress the data being sent to distant-end node according to the supporting rate configuration information of return link, then distant-end node is after the packed data receiving Centroid transmission, can carry out decompress(ion) by corresponding decompressing method.
According to a second aspect of the invention, also proposed a kind of communication means based on micro-base station, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication means is applicable to described Centroid, described communication means, comprising: receive the communication data that described equipment of the core network sends; According to the supporting rate configuration information of the return link between described distant-end node, the compression method chosen corresponding to described supporting rate configuration information compresses described communication data, to obtain the data after compressing; By data after described compression, and the information of described compression method is sent to described distant-end node, processes according to the information of described compression method for described distant-end node to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, Centroid is made only to need to have data transmit-receive function, data compression and solution compression functions and the scheduling of resource function to distant-end node, namely Centroid is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between distant-end node, and choose corresponding compression method according to supporting rate configuration information the communication data from equipment of the core network is compressed, make Centroid can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL (Asymmetric Digital Subscriber Line, Asymmetrical Digital Subscriber Line), broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of the compression method that distant-end node sends according to Centroid is carried out process to the data after compression and is comprised: the information according to the compression method of Centroid transmission carries out decompress(ion) to the data after compression, and performs frequency conversion process and radio frequency transmission processing successively to the data after decompress(ion).
In technique scheme, preferably, before the data after described compression are sent to described distant-end node, also comprise: according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, also comprise: receive the packed data that described distant-end node sends, and the information of corresponding compression method; The information of the compression method sent according to described distant-end node carries out decompression processing to described packed data.
In this technical scheme, when distant-end node selects corresponding compress mode to compress the data being sent to Centroid according to the supporting rate configuration information of return link, Centroid, after the packed data receiving distant-end node transmission, can carry out decompress(ion) by corresponding decompressing method.
In technique scheme, preferably, Centroid, when obtaining the supporting rate configuration information of return link, also can have various ways, as mode one: the supporting rate configuration information reading user's configured in advance; Mode two: the supporting rate configuration information being obtained the return link between distant-end node by the mode measured; Mode three: receive the supporting rate configuration information that distant-end node sends.
According to a third aspect of the invention we, also proposed a kind of communication system based on micro-base station, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication system is applicable to the arbitrary distant-end node at least one distant-end node described, described communication system, comprising: acquiring unit, for obtaining the supporting rate configuration information of the return link between described Centroid; Compression unit, for the described supporting rate configuration information got according to described acquiring unit, the compression method chosen corresponding to described supporting rate configuration information compresses the communication data carrying out self terminal, to obtain the data after compressing; Transmitting element, for by data after described compression, and the information of described compression method is sent to described Centroid, processes according to the information of described compression method for described Centroid to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, make distant-end node only need to have data transmit-receive function and data compression and solution compression functions, namely distant-end node is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between Centroid, and choose corresponding compression method according to supporting rate configuration information the communication data carrying out self terminal is compressed, make distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of compression method that Centroid sends according to distant-end node is carried out process to the data after compression and is comprised: the information according to above-mentioned compression method carries out decompression processing to the data after compression.
In technique scheme, preferably, described acquiring unit comprises: the first receiving element, for receiving the described supporting rate configuration information that described Centroid sends; Or reading unit, for reading user configured described supporting rate configuration information; Or measuring unit, for measuring the supporting rate configuration information of the return link between described Centroid.
In this technical scheme, distant-end node, when obtaining the supporting rate configuration information of return link, can have various ways, as mode one: the supporting rate configuration information of directly receiving center node transmission; Mode two: the supporting rate configuration information reading user's configured in advance; Mode three: the supporting rate configuration information being obtained the return link between Centroid by the mode measured.
In technique scheme, preferably, the described compression method that described compression unit adopts comprises: compress mode and compression algorithm; Described compress mode comprises: directly compress described communication data, and described communication data is converted to base band data, and adopts corresponding data compression algorithm to compress to described base band data.
Particularly, as the universal compressed algorithm that distant-end node can adopt compression ratio different, the compression algorithms such as such as LZ series of compression algorithm, WIN/RAR/ZIP, also can adopt different data compression algorithms to the base band data of different types of service.Such as, to image/video data acquisition ITU H series of compression algorithm, BZIP compression algorithm is adopted to text data, ITU G.723 compression algorithm is adopted to speech business, MPEG/ITU G.722 compression algorithm etc. is adopted to audio service.
In technique scheme, preferably, also comprise: processing unit, before the data after described compression being sent to described Centroid at described transmitting element, according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, also comprise: the second receiving element, for receiving the packed data that described Centroid sends, and the information of corresponding compression method; Decompression units, the information for the compression method sent according to described Centroid carries out decompress(ion) to described packed data; Described transmitting element also for, frequency conversion process is performed successively to the data after described decompression units decompress(ion) and radio frequency sends.
In this technical scheme, Centroid also can select corresponding compress mode to compress the data being sent to distant-end node according to the supporting rate configuration information of return link, then distant-end node is after the packed data receiving Centroid transmission, can carry out decompress(ion) by corresponding decompressing method.
According to a forth aspect of the invention, also proposed a kind of communication system based on micro-base station, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication system is applicable to described Centroid, described communication system, comprising: receiving element, for receiving the communication data that described equipment of the core network sends; Compression unit, for the supporting rate configuration information of the return link between basis and described distant-end node, the compression method chosen corresponding to described supporting rate configuration information compresses described communication data, to obtain the data after compressing; Transmitting element, for by data after described compression, and the information of described compression method is sent to described distant-end node, processes according to the information of described compression method for described distant-end node to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, Centroid is made only to need to have data transmit-receive function, data compression and solution compression functions and the scheduling of resource function to distant-end node, namely Centroid is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between distant-end node, and choose corresponding compression method according to supporting rate configuration information the communication data from equipment of the core network is compressed, make Centroid can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of the compression method that distant-end node sends according to Centroid is carried out process to the data after compression and is comprised: the information according to the compression method of Centroid transmission carries out decompress(ion) to the data after compression, and performs frequency conversion process and radio frequency transmission processing successively to the data after decompress(ion).
In technique scheme, preferably, also comprise: processing unit, before the data after described compression being sent to described distant-end node at described transmitting element, according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, described receiving element also for, receive the packed data that described distant-end node sends, and the information of corresponding compression method; The described communication system based on micro-base station also comprises: decompression units, and the information for the compression method sent according to described distant-end node carries out decompression processing to described packed data.
In this technical scheme, when distant-end node selects corresponding compress mode to compress the data being sent to Centroid according to the supporting rate configuration information of return link, Centroid, after the packed data receiving distant-end node transmission, can carry out decompress(ion) by corresponding decompressing method.
In technique scheme, preferably, Centroid, when obtaining the supporting rate configuration information of return link, also can have various ways, as mode one: the supporting rate configuration information reading user's configured in advance; Mode two: the supporting rate configuration information being obtained the return link between distant-end node by the mode measured; Mode three: receive the supporting rate configuration information that distant-end node sends.
By above technical scheme, distant-end node is made only to need to have data transmit-receive function and data compression and solution compression functions, Centroid only needs to have data transmit-receive function, data compression and solution compression functions and the scheduling of resource function to distant-end node, namely distant-end node and Centroid are without the need to realizing whole protocol stack functions, reduce the cost of micro-base station deployment; Simultaneously, Centroid and distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, and then existing circuit can be utilized as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.
Accompanying drawing explanation
Fig. 1 shows according to an embodiment of the invention for the schematic flow diagram of the communication means based on micro-base station of arbitrary distant-end node;
Fig. 2 shows according to an embodiment of the invention for the schematic block diagram of the communication system based on micro-base station of arbitrary distant-end node;
Fig. 3 shows according to an embodiment of the invention for the schematic flow diagram of the communication means based on micro-base station of Centroid;
Fig. 4 shows according to an embodiment of the invention for the schematic block diagram of the communication system based on micro-base station of Centroid;
Fig. 5 shows the schematic block diagram of micro-according to an embodiment of the invention base station system.
Embodiment
In order to more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
Micro-base station of the present invention comprises: the Centroid be connected with equipment of the core network, and at least one distant-end node be connected with described Centroid.
Fig. 1 shows according to an embodiment of the invention for the schematic flow diagram of the communication means based on micro-base station of arbitrary distant-end node.
As shown in Figure 1, according to an embodiment of the invention for the communication means based on micro-base station of arbitrary distant-end node, comprising: step 102, obtain the supporting rate configuration information of the return link between Centroid; Step 104, according to described supporting rate configuration information, the compression method chosen corresponding to described supporting rate configuration information compresses the communication data carrying out self terminal, to obtain the data after compressing; Step 106, by data after described compression, and the information of described compression method is sent to described Centroid, processes according to the information of described compression method for described Centroid to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, make distant-end node only need to have data transmit-receive function and data compression and solution compression functions, namely distant-end node is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between Centroid, and choose corresponding compression method according to supporting rate configuration information the communication data carrying out self terminal is compressed, make distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of compression method that Centroid sends according to distant-end node is carried out process to the data after compression and is comprised: the information according to above-mentioned compression method carries out decompression processing to the data after compression.
In technique scheme, preferably, the step obtaining described supporting rate configuration information is specially: receive the described supporting rate configuration information that described Centroid sends; Or read user configured described supporting rate configuration information; Or measure the supporting rate configuration information of the return link between described Centroid.
In this technical scheme, distant-end node, when obtaining the supporting rate configuration information of return link, can have various ways, as mode one: the supporting rate configuration information of directly receiving center node transmission; Mode two: the supporting rate configuration information reading user's configured in advance; Mode three: the supporting rate configuration information being obtained the return link between Centroid by the mode measured.
In technique scheme, preferably, described compression method comprises: compress mode and compression algorithm; Described compress mode comprises: directly compress described communication data, and described communication data is converted to base band data, and adopts corresponding data compression algorithm to compress to described base band data.
Particularly, as the universal compressed algorithm that distant-end node can adopt compression ratio different, the compression algorithms such as such as LZ series of compression algorithm, WIN/RAR/ZIP, also can adopt different data compression algorithms to the base band data of different types of service.Such as, to image/video data acquisition ITU H series of compression algorithm, BZIP compression algorithm is adopted to text data, ITU G.723 compression algorithm is adopted to speech business, MPEG/ITU G.722 compression algorithm etc. is adopted to audio service.
In technique scheme, preferably, also comprised before the data after described compression are sent to described Centroid: according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, also comprise: receive the packed data that described Centroid sends, and the information of corresponding compression method; The information of the compression method sent according to described Centroid carries out decompress(ion) to described packed data, and performs frequency conversion process successively to the data after decompress(ion) and radio frequency sends.
In this technical scheme, Centroid also can select corresponding compress mode to compress the data being sent to distant-end node according to the supporting rate configuration information of return link, then distant-end node is after the packed data receiving Centroid transmission, can carry out decompress(ion) by corresponding decompressing method.
Fig. 2 shows according to an embodiment of the invention for the schematic block diagram of the communication system based on micro-base station of arbitrary distant-end node.
As shown in Figure 2, according to an embodiment of the invention for the communication system 200 based on micro-base station of arbitrary distant-end node, comprising: acquiring unit 202, for obtaining the supporting rate configuration information of the return link between Centroid; Compression unit 204, for the described supporting rate configuration information got according to described acquiring unit 202, the compression method chosen corresponding to described supporting rate configuration information compresses the communication data carrying out self terminal, to obtain the data after compressing; Transmitting element 206, for by data after described compression, and the information of described compression method is sent to described Centroid, processes according to the information of described compression method for described Centroid to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, make distant-end node only need to have data transmit-receive function and data compression and solution compression functions, namely distant-end node is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between Centroid, and choose corresponding compression method according to supporting rate configuration information the communication data carrying out self terminal is compressed, make distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of compression method that Centroid sends according to distant-end node is carried out process to the data after compression and is comprised: the information according to above-mentioned compression method carries out decompression processing to the data after compression.
In technique scheme, preferably, described acquiring unit 202 comprises: the first receiving element 2022, for receiving the described supporting rate configuration information that described Centroid sends; Or reading unit 2024, for reading user configured described supporting rate configuration information; Or measuring unit 2026, for measuring the supporting rate configuration information of the return link between described Centroid.
In this technical scheme, distant-end node, when obtaining the supporting rate configuration information of return link, can have various ways, as mode one: the supporting rate configuration information of directly receiving center node transmission; Mode two: the supporting rate configuration information reading user's configured in advance; Mode three: the supporting rate configuration information being obtained the return link between Centroid by the mode measured.
In technique scheme, preferably, the described compression method that described compression unit 204 adopts comprises: compress mode and compression algorithm; Described compress mode comprises: directly compress described communication data, and described communication data is converted to base band data, and adopts corresponding data compression algorithm to compress to described base band data.
Particularly, as the universal compressed algorithm that distant-end node can adopt compression ratio different, the compression algorithms such as such as LZ series of compression algorithm, WIN/RAR/ZIP, also can adopt different data compression algorithms to the base band data of different types of service.Such as, to image/video data acquisition ITU H series of compression algorithm, BZIP compression algorithm is adopted to text data, ITU G.723 compression algorithm is adopted to speech business, MPEG/ITU G.722 compression algorithm etc. is adopted to audio service.
In technique scheme, preferably, also comprise: processing unit 208, before the data after described compression being sent to described Centroid at described transmitting element 206, according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, also comprise: the second receiving element 210, for receiving the packed data that described Centroid sends, and the information of corresponding compression method; Decompression units 212, the information for the compression method sent according to described Centroid carries out decompress(ion) to described packed data; Described transmitting element 206 also for, frequency conversion process and radio frequency transmit operation are performed successively to the data after described decompression units 212 decompress(ion).
In this technical scheme, Centroid also can select corresponding compress mode to compress the data being sent to distant-end node according to the supporting rate configuration information of return link, then distant-end node is after the packed data receiving Centroid transmission, can carry out decompress(ion) by corresponding decompressing method.
Fig. 3 shows according to an embodiment of the invention for the schematic flow diagram of the communication means based on micro-base station of Centroid.
As shown in Figure 3, according to an embodiment of the invention for the communication means based on micro-base station of Centroid, comprising: step 302, receive the communication data that equipment of the core network sends; Step 304, according to the supporting rate configuration information of the return link between distant-end node, the compression method chosen corresponding to described supporting rate configuration information compresses described communication data, to obtain the data after compressing; Step 306, by data after described compression, and the information of described compression method is sent to described distant-end node, processes according to the information of described compression method for described distant-end node to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, Centroid is made only to need to have data transmit-receive function, data compression and solution compression functions and the scheduling of resource function to distant-end node, namely Centroid is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between distant-end node, and choose corresponding compression method according to supporting rate configuration information the communication data from equipment of the core network is compressed, make Centroid can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of the compression method that distant-end node sends according to Centroid is carried out process to the data after compression and is comprised: the information according to the compression method of Centroid transmission carries out decompress(ion) to the data after compression, and performs frequency conversion process and radio frequency transmission processing successively to the data after decompress(ion).
In technique scheme, preferably, before the data after described compression are sent to described distant-end node, also comprise: according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, also comprise: receive the packed data that described distant-end node sends, and the information of corresponding compression method; The information of the compression method sent according to described distant-end node carries out decompression processing to described packed data.
In this technical scheme, when distant-end node selects corresponding compress mode to compress the data being sent to Centroid according to the supporting rate configuration information of return link, Centroid, after the packed data receiving distant-end node transmission, can carry out decompress(ion) by corresponding decompressing method.
In technique scheme, preferably, Centroid, when obtaining the supporting rate configuration information of return link, also can have various ways, as mode one: the supporting rate configuration information reading user's configured in advance; Mode two: the supporting rate configuration information being obtained the return link between distant-end node by the mode measured; Mode three: receive the supporting rate configuration information that distant-end node sends.
Fig. 4 shows according to an embodiment of the invention for the schematic block diagram of the communication system based on micro-base station of Centroid.
As shown in Figure 4, according to an embodiment of the invention for the communication system based on micro-base station of Centroid, comprising: receiving element 402, for receiving the communication data that equipment of the core network sends; Compression unit 404, for the supporting rate configuration information of the return link between basis and described distant-end node, the compression method chosen corresponding to described supporting rate configuration information compresses described communication data, to obtain the data after compressing; Transmitting element 406, for by data after described compression, and the information of described compression method is sent to described distant-end node, processes according to the information of described compression method for described distant-end node to the data after described compression.
In this technical scheme, by forming micro-base station by Centroid and at least one distant-end node, Centroid is made only to need to have data transmit-receive function, data compression and solution compression functions and the scheduling of resource function to distant-end node, namely Centroid is without the need to realizing whole protocol stack functions, because this reducing the cost of micro-base station deployment.And by obtaining the supporting rate configuration information of the return link between distant-end node, and choose corresponding compression method according to supporting rate configuration information the communication data from equipment of the core network is compressed, make Centroid can select according to the different transmittabilities of return link the data compression scheme that matches neatly, to adapt to the transmittability of return link, and then existing circuit can be utilized (as ADSL, broadband connection, Fiber connection etc.) as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.Wherein, the information of the compression method that distant-end node sends according to Centroid is carried out process to the data after compression and is comprised: the information according to the compression method of Centroid transmission carries out decompress(ion) to the data after compression, and performs frequency conversion process and radio frequency transmission processing successively to the data after decompress(ion).
In technique scheme, preferably, also comprise: processing unit 408, before the data after described compression being sent to described distant-end node at described transmitting element 406, according to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
In this technical scheme, by carrying out frequency conversion process to the data after compression, make the data after frequency conversion process can adapt to the frequency characteristic of return link.
In technique scheme, preferably, described receiving element 402 also for, receive the packed data that described distant-end node sends, and the information of corresponding compression method; The described communication system 400 based on micro-base station also comprises: decompression units 410, and the information for the compression method sent according to described distant-end node carries out decompression processing to described packed data.
In this technical scheme, when distant-end node selects corresponding compress mode to compress the data being sent to Centroid according to the supporting rate configuration information of return link, Centroid, after the packed data receiving distant-end node transmission, can carry out decompress(ion) by corresponding decompressing method.
In technique scheme, preferably, Centroid, when obtaining the supporting rate configuration information of return link, also can have various ways, as mode one: the supporting rate configuration information reading user's configured in advance; Mode two: the supporting rate configuration information being obtained the return link between distant-end node by the mode measured; Mode three: receive the supporting rate configuration information that distant-end node sends.
Fig. 5 shows the schematic block diagram of micro-according to an embodiment of the invention base station system.
As shown in Figure 5, micro-according to an embodiment of the invention base station system, comprising: 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 the functions such as data compression/decompression, data processing, scheduling of resource.A Centroid 502 can connect several distant-end nodes 504.Different return links may support different capacity, i.e. peak transfer rate.
The flow process of carrying out communicating in above-mentioned micro-base station system comprises uplink communication flow process and downlink communication flow process, is described respectively below:
Uplink communication flow process, namely the communication process of distant-end node 504 to Centroid 502 comprises:
Step 1: distant-end node 504 obtains the supporting rate configuration information of return link.
Particularly, distant-end node 504 can by obtaining the supporting rate configuration information of this return link with the information interaction of Centroid 502, also when distant-end node 504 is installed by this information of human configuration, or the supporting rate configuration information with Centroid 502 connection line can be detected by distant-end node 504.The supporting rate configuration information of return link can be supporting rate absolute value, also can be the speed grade information quantized.
Step 2: according to the supporting rate information of return link, distant-end node 504 adopts the compress mode of different compression ratio to receiving radio-frequency information, obtain the packed data of coupling return link supporting rate.Adoptable compress mode comprises:
(1) distant-end node 504 adopts the method for radio frequency compression sampling, sampling and compression two processes is integrated at Receiver Module, the sampled data of direct output squeezing.But the method requires that Received signal strength is sparse, namely has sparse expression formula on certain orthogonal basis, otherwise the data of sampling out by this kind of mode are by without compression effectiveness or only have very little compression effectiveness.
(2) distant-end node 504 receives data by Receiver Module, and by radio frequency-baseband conversion module, converts rf data to base band data.Distant-end node 504 adopts corresponding data compression algorithm to compress base band data.More specifically, the universal compressed algorithm that distant-end node 504 can adopt compression ratio different, the compression algorithms such as such as LZ series, WIN/RAR/ZIP, also can adopt different data compression algorithms to the base band data of different types of service.Such as, to image/video data acquisition ITU H series of compression algorithm, BZIP compression algorithm is adopted to text data, ITU G.723 compression algorithm is adopted to speech business, to compression algorithms such as G.722 audio service adopt MPEG/ITU.
Step 3: distant-end node 504 is by the data after compression, and the compress mode of correspondence, compression algorithm information send to Centroid 502 by return link.Distant-end node 504, before transmission packed data, carries out Up/Down Conversion to packed data, possibly to adapt to the frequency characteristic of return link.
Step 4: after Centroid 502 receives the packed data that distant-end node 504 sends, the compress mode notified according to distant-end node 504, compression algorithm carry out data decompression.Centroid 502 carries out the operations such as the data processing of being correlated with again after obtaining decompressed data.
Downlink communication flow process, namely the communication process of Centroid 502 to distant-end node 504 comprises:
Step 1: Centroid 502 is to after carrying out data processing from the forward data such as core net, Internet, according to the supporting rate configuration information of the return link between Centroid 502 and distant-end node 504, the compress mode of different compression ratio is selected to compress the data will passing to distant-end node 504, with the supporting rate of matching transmission link.
Step 2: Centroid 502 is by the data after compression, and the compress mode of correspondence, compression algorithm information send to distant-end node 504 by return link.Centroid 502, before transmission packed data, carries out frequency translation to packed data, possibly to adapt to the frequency characteristic of return link.
Step 3: after distant-end node 504 receives the packed data that Centroid 502 sends, the compress mode notified according to Centroid 502, compression algorithm carry out data decompression.Distant-end node 504 carries out the operation such as frequency conversion, radio frequency transmission after obtaining decompressed data again.
In above-mentioned micro-base station system, distant-end node, owing to only realizing radio-frequency receiving-transmitting, data compression/decompression and the radio frequency-baseband-converted that may need and Up/Down Conversion function, does not need to realize whole protocol stack functions.Thus realize simple, cost is lower.And the functions such as the data processing of complexity, scheduling concentrate on Centroid and realize, be convenient to the resource management of concentrating and plant maintenance.In addition, the data compression scheme flexibly of distant-end node and Centroid can mate the return link of different transmittability, thus existing passback mode may just be utilized, the circuit of the various different transmittabilities such as such as ADSL, broadband connection, Fiber connection is as return link, avoid special return link to lay, reduce network design cost.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider that existing micro-base station realizes comparatively complicated, cost is higher.And for the micro-base station of RRH, then need operator to lay special return link, and along with the sharp increase of future network volume of transmitted data, return link needs to support to add the cost of network design by higher capacity.Therefore, the present invention proposes a kind of communication means based on micro-base station newly, making distant-end node and Centroid without the need to realizing whole protocol stack functions, reducing the cost of micro-base station deployment; Simultaneously, Centroid and distant-end node can select according to the different transmittabilities of return link the data compression scheme that matches neatly, and then existing circuit can be utilized as return link, without the need to again laying special return link, reduce further the lower deployment cost of network.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. the communication means based on micro-base station, it is characterized in that, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication means is applicable to the arbitrary distant-end node at least one distant-end node described, described communication means, comprising:
Obtain the supporting rate configuration information of the return link between described Centroid;
According to described supporting rate configuration information, the compression method chosen corresponding to described supporting rate configuration information compresses the communication data carrying out self terminal, to obtain the data after compressing;
By data after described compression, and the information of described compression method is sent to described Centroid, processes according to the information of described compression method for described Centroid to the data after described compression.
2. the communication means based on micro-base station according to claim 1, is characterized in that, the step obtaining described supporting rate configuration information is specially:
Receive the described supporting rate configuration information that described Centroid sends; Or
Read user configured described supporting rate configuration information; Or
Measure the supporting rate configuration information of the return link between described Centroid.
3. the communication means based on micro-base station according to claim 1, is characterized in that, described compression method comprises: compress mode and compression algorithm;
Described compress mode comprises:
Described communication data is directly compressed, and described communication data is converted to base band data, and adopt corresponding data compression algorithm to compress to described base band data.
4. the communication means based on micro-base station according to any one of claim 1 to 3, is characterized in that, also comprises before the data after described compression are sent to described Centroid:
According to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
5. the communication means based on micro-base station according to any one of claim 1 to 3, is characterized in that, also comprise:
Receive the packed data that described Centroid sends, and the information of corresponding compression method;
The information of the compression method sent according to described Centroid carries out decompress(ion) to described packed data, and performs frequency conversion process and radio frequency transmission processing successively to the data after decompress(ion).
6. based on a communication means for micro-base station, it is characterized in that, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication means is applicable to described Centroid, and described communication means, comprising:
Receive the communication data that described equipment of the core network sends;
According to the supporting rate configuration information of the return link between described distant-end node, the compression method chosen corresponding to described supporting rate configuration information compresses described communication data, to obtain the data after compressing;
By data after described compression, and the information of described compression method is sent to described distant-end node, processes according to the information of described compression method for described distant-end node to the data after described compression.
7. the communication means based on micro-base station according to claim 6, is characterized in that, before the data after described compression are sent to described distant-end node, also comprises:
According to the frequency characteristic of described return link, frequency conversion process is carried out to the data after described compression.
8. the communication means based on micro-base station according to claim 6 or 7, is characterized in that, also comprise:
Receive the packed data that described distant-end node sends, and the information of corresponding compression method;
The information of the compression method sent according to described distant-end node carries out decompression processing to described packed data.
9. the communication system based on micro-base station, it is characterized in that, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication system is applicable to the arbitrary distant-end node at least one distant-end node described, described communication system, comprising:
Acquiring unit, for obtaining the supporting rate configuration information of the return link between described Centroid;
Compression unit, for the described supporting rate configuration information got according to described acquiring unit, the compression method chosen corresponding to described supporting rate configuration information compresses the communication data carrying out self terminal, to obtain the data after compressing;
Transmitting element, for by data after described compression, and the information of described compression method is sent to described Centroid, processes according to the information of described compression method for described Centroid to the data after described compression.
10. the communication system based on micro-base station according to claim 9, is characterized in that, described acquiring unit comprises:
First receiving element, for receiving the described supporting rate configuration information that described Centroid sends; Or
Reading unit, for reading user configured described supporting rate configuration information; Or
Measuring unit, for measuring the supporting rate configuration information of the return link between described Centroid.
11. communication systems based on micro-base station according to claim 9, is characterized in that, the described compression method that described compression unit adopts comprises: compress mode and compression algorithm;
Described compress mode comprises:
Described communication data is directly compressed, and described communication data is converted to base band data, and adopt corresponding data compression algorithm to compress to described base band data.
12. communication systems based on micro-base station according to any one of claim 9 to 11, is characterized in that, also comprise:
Processing unit, before the data after described compression being sent to described Centroid at described transmitting element, according to the frequency characteristic of described return link, carries out frequency conversion process to the data after described compression.
13. communication systems based on micro-base station according to any one of claim 9 to 11, is characterized in that, also comprise:
Second receiving element, for receiving the packed data that described Centroid sends, and the information of corresponding compression method;
Decompression units, the information for the compression method sent according to described Centroid carries out decompress(ion) to described packed data;
Described transmitting element also for, frequency conversion process and radio frequency transmission processing are performed successively to the data after described decompression units decompress(ion).
14. 1 kinds, based on the communication system of micro-base station, is characterized in that, described micro-base station comprises the Centroid be connected with equipment of the core network, and at least one distant-end node to be connected with described Centroid, described communication system is applicable to described Centroid, and described communication system, comprising:
Receiving element, for receiving the communication data that described equipment of the core network sends;
Compression unit, for the supporting rate configuration information of the return link between basis and described distant-end node, the compression method chosen corresponding to described supporting rate configuration information compresses described communication data, to obtain the data after compressing;
Transmitting element, for by data after described compression, and the information of described compression method is sent to described distant-end node, processes according to the information of described compression method for described distant-end node to the data after described compression.
15. communication systems based on micro-base station according to claim 14, is characterized in that, also comprise:
Processing unit, before the data after described compression being sent to described distant-end node at described transmitting element, according to the frequency characteristic of described return link, carries out frequency conversion process to the data after described compression.
16. communication systems based on micro-base station according to claims 14 or 15, is characterized in that, described receiving element also for, receive the packed data that described distant-end node sends, and the information of corresponding compression method;
The described communication system based on micro-base station also comprises:
Decompression units, the information for the compression method sent according to described distant-end node carries out decompression processing to described packed data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570848.8A CN104270774B (en) | 2014-10-23 | 2014-10-23 | The method and communication system of communication based on micro-base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410570848.8A CN104270774B (en) | 2014-10-23 | 2014-10-23 | The method and communication system of communication based on micro-base station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104270774A true CN104270774A (en) | 2015-01-07 |
| CN104270774B CN104270774B (en) | 2018-02-13 |
Family
ID=52162241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410570848.8A Active CN104270774B (en) | 2014-10-23 | 2014-10-23 | The method and communication system of communication based on micro-base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104270774B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106453164A (en) * | 2016-11-15 | 2017-02-22 | 电子科技大学 | Method for reducing returned data volume in ultra dense network |
| CN112911641A (en) * | 2019-12-03 | 2021-06-04 | 华为技术有限公司 | Communication processing method and communication processing device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070116046A1 (en) * | 2005-10-31 | 2007-05-24 | Utstarcom Telecom Co., Ltd. | Cpri link multiplex transmission method and system |
| 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 |
-
2014
- 2014-10-23 CN CN201410570848.8A patent/CN104270774B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070116046A1 (en) * | 2005-10-31 | 2007-05-24 | Utstarcom Telecom Co., Ltd. | Cpri link multiplex transmission method and system |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106453164A (en) * | 2016-11-15 | 2017-02-22 | 电子科技大学 | Method for reducing returned data volume in ultra dense network |
| CN112911641A (en) * | 2019-12-03 | 2021-06-04 | 华为技术有限公司 | Communication processing method and communication processing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104270774B (en) | 2018-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5856310B2 (en) | Distributed wireless communication base station system, signal processing device, wireless device, and operation method of distributed wireless communication base station system | |
| US20200205231A1 (en) | Methods, intermediate radio units and radio heads of base station systems for transmission of antenna carriers | |
| CN101076173B (en) | Radio base station system | |
| EP3242418B1 (en) | Wireless fronthaul passive optical network (pon) system, optical network device and method | |
| JP6023103B2 (en) | Distributed wireless communication base station system and communication method | |
| TW201404088A (en) | Method and apparatus of compressing a multi-carrier modulation signal in frequency domain | |
| CN104202066B (en) | A kind of Differential Frequency Hopping Communication method and system based on cognitive radio | |
| CN102833000A (en) | Method and equipment for data transmission | |
| US9203933B1 (en) | Method and apparatus for efficient data compression in a communication system | |
| US9398489B1 (en) | Method and apparatus for context based data compression in a communication system | |
| EP2533438B1 (en) | Data transmission method, device and system | |
| KR100950342B1 (en) | Integrated repeater having application to internet network and compression algorithm | |
| CN104270774A (en) | Communication method and communication system based on micro base station | |
| JP6043260B2 (en) | Communication system and optical signal transmission method | |
| CN109417395A (en) | A kind of data send, received method and apparatus | |
| CN105472544A (en) | Wireless discrete narrow-band frequency spectrum polymeric CPE (Customer Premise Equipment) terminal supporting wifi access | |
| Shibata et al. | Dynamic compression method using wireless resource allocation for digitized radio over TDM-PON system | |
| CN104954071B (en) | A kind of digital Optical fiber relay systems of LTE Advanced and its implementation | |
| CN103702363A (en) | Method for compressing signals from frequencies and downlink signal compressing system | |
| CN104158589B (en) | Wireless-fiber fused networking multi-service bearing system and application thereof | |
| KR101577758B1 (en) | Repeater in analog distributed antenna system | |
| CN109890005B (en) | Multifunctional big data communication system | |
| US9485688B1 (en) | Method and apparatus for controlling error and identifying bursts in a data compression system | |
| CN110808784A (en) | Outdoor 5G micro-station system based on broadcasting and TV HFC network | |
| CN104202080A (en) | 60M radar data transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |