CN103179543B - Method for sending information and system, message receiving method and system thereof - Google Patents
Method for sending information and system, message receiving method and system thereof Download PDFInfo
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- CN103179543B CN103179543B CN201110440040.4A CN201110440040A CN103179543B CN 103179543 B CN103179543 B CN 103179543B CN 201110440040 A CN201110440040 A CN 201110440040A CN 103179543 B CN103179543 B CN 103179543B
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Abstract
The present invention discloses a kind of method for sending information and system, message receiving method and system thereof.Wherein in method for sending information, raw information, Physical layer control information and remote processor unit configuration information are sent to remote processor unit by baseband control unit, carry out Base-Band Processing at remote processor unit.In message receiving method, the information received is carried out Base-Band Processing to obtain raw information by remote processor unit, and raw information and respective feedback information are sent to baseband control unit.Thus the transinformation reduced between baseband control unit and remote processor unit, reduce the relaying demand between baseband control unit and remote processor unit.
Description
Technical field
The present invention relates to the communications field, particularly relate to method for sending information and system, message receiving method and system thereof.
Background technology
Along with the mobile subscriber of usage data business constantly increases, more and more higher to the requirement of mobile network data ability.Long Term Evolution (LongTermEvolution, be called for short: LTE) system is with OFDM (OrthogonalFrequencyDivisionMultiplexing, OFDM) and multiple-input and multiple-output (MultipleInputMultipleOutput be called for short:, be called for short: MIMO) be major technique basis, the mobile communication system of more low transmission time delay, higher user's transmission rate is provided, therefore obtains the support of most operator of the world and equipment vendor.Specifically on network design, adopt the problem that the coverage distance that how to improve LTE system community and throughput performance are current operator and equipment vendor's research.The mode that in current 3G network, enhancing covers and capacity is comparatively commonly used is a kind of Base Band Unit (BaseBandUnit, be called for short: BBU)+remote radio unit (RRU) (RemoteRadioUnit, be called for short: coverage mode RRU), concentrating by macrocell base stations is placed in obtainable central machine room, baseband signal is focused on by BBU, radio-frequency module RRU in base station is zoomed out on outdoor roof or website far away and install, BBU transfers signals to RRU by optical fiber or other wired transmissions medium, and signal transacting is that radiofrequency signal passes through antenna transmission by RRU.This mode can save a large amount of machine rooms required for conventional solution, simultaneously by adopting a large amount of fiber optic stretch RRU, can realize the conversion between capacity and covering.
The subject matter that current BBU+RRU networking mode exists is baseband signal all in BBU of base station process, therefore needs between BBU and RRU to transmit a large amount of signal.In the scene that trunk is not abundant, this networking mode may be restricted, and especially for LTE system, this problem is more outstanding.Because LTE system adopts MIMO technology, between BBU and RRU, need transmission multi-path antenna data, its data volume may be the several times of existing 3G system.Because this increasing relaying demand during LTE networking.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method for sending information and system, message receiving method and system thereof, thus decreases the relaying demand between BBU and RRU.
According to an aspect of the present invention, provide a kind of method for sending information, comprising:
In baseband control unit, after first data scheduling unit receives the raw information of data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit;
First data scheduling unit generates first and sends information, the first transmission information is sent to ground floor interface unit after the raw information, Physical layer control information and the remote processor unit configuration information that receive being merged;
First transmission information is sent to the second layer interface unit of remote processor unit by ground floor interface unit by common layer interface;
In remote processor unit, second layer interface unit receives described first and sends information, and the first transmission information is sent to the second data scheduling unit;
It is raw information, Physical layer control information and remote processor unit configuration information that second data scheduling unit sends information decomposition by first, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to baseband functions unit;
Baseband functions unit utilizes physical layer control channel information, carries out Base-Band Processing, obtains base-band information, and base-band information is sent to radio frequency unit to raw information;
Radio frequency unit obtains radio-frequency information, and radio-frequency information is sent to user terminal after base-band information is carried out radio frequency processing.
According to an aspect of the present invention, provide a kind of information transmitting system, comprise baseband control unit and remote processor unit, baseband control unit comprises data and controls transfer functional unit, radio resource managing unit, remote processor indicating member, first data scheduling unit, ground floor interface unit, remote processor unit comprises second layer interface unit, the second data scheduling unit, baseband functions unit, radio frequency unit, wherein:
Data and controls transfer functional unit, for providing raw information;
Radio resource managing unit, for providing Physical layer control information;
Remote processor indicating member, for providing remote processor unit configuration information;
First data scheduling unit, for after the raw information receiving data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit; After the raw information, Physical layer control information and the remote processor unit configuration information that receive are merged, generate first and send information, the first transmission information is sent to ground floor interface unit;
Ground floor interface unit, for sending to second layer interface unit by common layer interface by the first transmission information;
Second layer interface unit, for receiving described first transmission information, sends to the second data scheduling unit by the first transmission information;
Second data scheduling unit, for by first send information decomposition be raw information, Physical layer control information and remote processor unit configuration information, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to baseband functions unit;
Baseband functions unit, for utilizing physical layer control channel information, carrying out Base-Band Processing to raw information, obtaining base-band information, and base-band information is sent to radio frequency unit;
Radio frequency unit, after base-band information is carried out radio frequency processing, obtains radio-frequency information, and radio-frequency information is sent to user terminal.
According to an aspect of the present invention, provide a kind of message receiving method, comprising:
In remote processor unit, radio frequency unit receives the radio-frequency information that user terminal sends, and obtains base-band information, base-band information is sent to baseband functions unit after radio-frequency information is carried out radio frequency processing;
Base-band information is carried out Base-Band Processing by baseband functions unit, obtains raw information, raw information is sent to the second data scheduling unit;
Second data scheduling unit is after receiving described raw information, and obtain metrical information from signal measurement unit, wherein metrical information is for representing the subscriber channel state that remote processor unit is current;
Second data scheduling unit generates configuration feedback information, for representing the configuration status that remote processor unit is current;
After raw information, metrical information and configuration feedback information merge by the second data scheduling unit, generate second and send information, the second transmission information is sent to second layer interface unit;
Second transmission information to be sent to the ground floor interface unit in baseband control unit by second layer interface unit by common layer interface;
In baseband control unit, ground floor interface unit receives described second and sends information, and the second transmission information is sent to the first data scheduling unit;
It is raw information, metrical information and configuration feedback information that first data scheduling unit sends information decomposition by second, raw information is sent to data and controls transfer unit, metrical information is sent to radio resource managing unit, configuration feedback information is sent to remote processor indicating member.
According to an aspect of the present invention, provide a kind of information receiving system, comprise remote processor unit and baseband control unit, remote processor unit comprises radio frequency unit, baseband functions unit, signal measurement unit, the second data scheduling unit, second layer interface unit, baseband control unit comprises ground floor interface unit, the first data scheduling unit, data and controls transfer functional unit, radio resource managing unit, remote processor indicating member, wherein:
Radio frequency unit, for receiving the radio-frequency information that user terminal sends, obtaining base-band information after radio-frequency information is carried out radio frequency processing, base-band information being sent to baseband functions unit;
Baseband functions unit, for base-band information is carried out Base-Band Processing, obtains raw information, raw information is sent to the second data scheduling unit;
Signal measurement unit, for measuring the current subscriber channel state of remote processor unit;
Second data scheduling unit, for after receiving described raw information, obtains metrical information from signal measurement unit; After raw information, metrical information and configuration feedback information are merged, generate second and send information, the second transmission information is sent to second layer interface unit;
Second layer interface unit, for sending to ground floor interface unit by common layer interface by the second transmission information;
Ground floor interface unit, for receiving described second transmission information, sends to the first data scheduling unit by the second transmission information;
First data scheduling unit, for by second send information decomposition be raw information, metrical information and configuration feedback information, raw information is sent to data and controls transfer unit, metrical information is sent to radio resource managing unit, configuration feedback information is sent to remote processor indicating member;
Data and controls transfer functional unit, for storing raw information;
Radio resource managing unit, for store measurement information;
Remote processor indicating member, for stored configuration feedback information.
The present invention in the downstream direction, by raw information, Physical layer control information and remote processor unit configuration information are sent to remote processor unit from baseband control unit, carries out Base-Band Processing at remote processor unit.In the upstream direction, by the information received is carried out Base-Band Processing to obtain raw information at remote processor unit, and raw information and corresponding feedback information are sent to baseband control unit.Thus the transinformation reduced between baseband control unit and remote processor unit, reduce the relaying demand between baseband control unit and remote processor unit.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a method for sending information of the present invention embodiment.
Fig. 2 is the schematic diagram of another embodiment of method for sending information of the present invention.
Fig. 3 is the schematic diagram of an information transmitting system of the present invention embodiment.
Fig. 4 is the schematic diagram of another embodiment of information transmitting system of the present invention.
Fig. 5 is the schematic diagram of a message receiving method of the present invention embodiment.
Fig. 6 is the schematic diagram of an information receiving system of the present invention embodiment.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.
In the present invention, different in order to outstanding the present invention and prior art, the BBU of improvement is called baseband control unit (BasebandControlUnit, be called for short: BCU), the RRU of improvement is called (RemoteProcessingUnit is called for short: RPU) remote processor unit.
Fig. 1 is the schematic diagram of a method for sending information of the present invention embodiment.As shown in Figure 1, the method for sending information of this embodiment is as follows:
Step 101, in baseband control unit, after first data scheduling unit receives the raw information of data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit.
Step 102, the first data scheduling unit generates first and sends information, the first transmission information is sent to ground floor interface unit after the raw information, Physical layer control information and the remote processor unit configuration information that receive being merged.
Step 103, the first transmission information is sent to the second layer interface unit of remote processor unit by ground floor interface unit by common layer interface.
Step 104, in remote processor unit, second layer interface unit receives first and sends information, and the first transmission information is sent to the second data scheduling unit.
Step 105, it is raw information, Physical layer control information and remote processor unit configuration information that second data scheduling unit sends information decomposition by first, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to baseband functions unit.
Step 106, baseband functions unit utilizes physical layer control channel information, carries out Base-Band Processing, obtains base-band information, and base-band information is sent to radio frequency unit to raw information.
Step 107, radio frequency unit obtains radio-frequency information, and radio-frequency information is sent to user terminal after base-band information is carried out radio frequency processing.
Based on the method for sending information that the above embodiment of the present invention provides, by raw information, Physical layer control information and remote processor unit configuration information are sent to remote processor unit from baseband control unit, carry out Base-Band Processing at remote processor unit.Thus the transinformation reduced between baseband control unit and remote processor unit, reduce the relaying demand between baseband control unit and remote processor unit.
Fig. 2 is the schematic diagram of another embodiment of method for sending information of the present invention.In fig. 2, the method for sending information of this embodiment is as follows:
Step 201, in baseband control unit, after first data scheduling unit receives the raw information of data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit.
ENB) or other BCU according to another specific embodiment of the present invention, from core net, (EvolvedPacketCore is called for short: PEC), (evolvedNodeB is called for short: evolved base station initial data.
According to another specific embodiment of the present invention, Physical layer control information for realizing access control to intra-cell users, switching, load control, power control, the dynamic dispatching of Radio Resource and distribution.Remote processor unit configuration information comprises descending power and radio frequency parameter configuration, and antenna shape-endowing weight value instruction etc., and uplink receiving algorithm configuration, channel, signal measurement data report the information such as configuration.
Step 202, the first data scheduling unit generates first and sends information, the first transmission information is sent to ground floor interface unit after the raw information, Physical layer control information and the remote processor unit configuration information that receive being merged.
Step 203, the first transmission information is sent to the second layer interface unit of remote processor unit by ground floor interface unit by common layer interface.
Step 204, in remote processor unit, second layer interface unit receives described first and sends information, and the first transmission information is sent to the second data scheduling unit.
Step 205, it is raw information, Physical layer control information and remote processor unit configuration information that second data scheduling unit sends information decomposition by first, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to inter-layer data to transmit and functions of retransmission unit.
Step 206, inter-layer data transmission and functions of retransmission unit store raw information and physical layer control channel information, and raw information and physical layer control channel information are sent to baseband functions unit.
Step 207, baseband functions unit utilizes physical layer control channel information, carries out Base-Band Processing, obtains base-band information, and base-band information is sent to radio frequency unit to raw information.
Step 208, radio frequency unit obtains radio-frequency information, and radio-frequency information is sent to user terminal after base-band information is carried out radio frequency processing.
Step 209, after the terminal feedback information that baseband functions unit received RF unit sends, carries out Base-Band Processing to feedback information, obtains feeding back indication information, and is sent to by feedback indication information inter-layer data to transmit and functions of retransmission unit.
Step 210, whether inter-layer data transmission and functions of retransmission unit judges feedback indication information are that (HybridAutomaticRepeatRequest is called for short: HARQ) information hybrid automatic repeat-request.
Step 211, if feedback indication information is HARQ information, the raw information of storage and physical layer control channel information are sent to baseband functions unit by inter-layer data transmission and functions of retransmission unit, return step 207.
In this embodiment, when needs retransmission information, due to need retransmit information be stored in remote processor unit inter-layer data transmission and functions of retransmission unit in, therefore without the need to obtaining retransmission information from baseband control unit, therefore further reduce the transinformation between baseband control unit and remote processor unit, contribute to reducing the relaying demand between baseband control unit and remote processor unit.
According to another specific embodiment of the present invention, the metrical information that radio resource managing unit provides according to signal measurement unit in remote processor unit produces Physical layer control information, and wherein metrical information represents the subscriber channel state that remote processor unit is current.
The configuration feedback information that remote processor indicating member provides according to the second data scheduling unit in remote processor unit produces remote processor unit configuration information, wherein configures feedback information and represents the configuration status that remote processor unit is current.
According to another specific embodiment of the present invention, in remote processor unit, when second layer interface unit has the information being sent to other remote processor unit, the above-mentioned information being sent to other remote processor unit is sent to relay control unit by second layer interface unit.The above-mentioned information being sent to other remote processor unit, by common layer interface, is sent to corresponding remote processor unit by relay control unit.
When relay control unit receives the information of other remote processor unit transmission by common layer interface, the information that other remote processor unit sends is sent to second layer interface unit by relay control unit.
By relay control unit, between remote processor unit, information interaction can be realized with parallel or serial mode.
Common layer interface can transmit several data, such as:
Control information before coded modulation, (RadioResourceControl, is called for short: RRC) layer signaling, resource allocation information etc. to comprise control plane information such as wireless heterogeneous networks; User plane data information before coded modulation, as business datum etc.; In baseband control unit, radio resource managing unit is to the control channel indication information of physical layer; Other ensures the control information of information integrity between baseband control unit and remote processor unit, clock synchronization information etc.; Remote processor unit measures reporting information; HARQ feedback information; Remote processor cell location feedback information etc.
Fig. 3 is the schematic diagram of an information transmitting system of the present invention embodiment.In figure 3, system comprises baseband control unit 31 and remote processor unit 32, baseband control unit 31 comprises data and controls transfer functional unit 301, radio resource managing unit 302, remote processor indicating member 303, first data scheduling unit 304, ground floor interface unit 305, remote processor unit 32 comprises second layer interface unit 311, second data scheduling unit 312, baseband functions unit 313, radio frequency unit 314, wherein:
Data and controls transfer functional unit 301, for providing raw information;
Radio resource managing unit 302, for providing Physical layer control information;
Remote processor indicating member 303, for providing remote processor unit configuration information;
First data scheduling unit 304, for after the raw information receiving data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit; After the raw information, Physical layer control information and the remote processor unit configuration information that receive are merged, generate first and send information, the first transmission information is sent to ground floor interface unit 305.
Ground floor interface unit 305, for sending to second layer interface unit 311 by common layer interface by the first transmission information.
Second layer interface unit 311, for receiving described first transmission information, sends to the second data scheduling unit 312 by the first transmission information.
Second data scheduling unit 312, for by first send information decomposition be raw information, Physical layer control information and remote processor unit configuration information, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to baseband functions unit 313.
Baseband functions unit 313, for utilizing physical layer control channel information, carrying out Base-Band Processing to raw information, obtaining base-band information, and base-band information is sent to radio frequency unit 314.
Radio frequency unit 314, after base-band information is carried out radio frequency processing, obtains radio-frequency information, and radio-frequency information is sent to user terminal.
Based on the information transmitting system that the above embodiment of the present invention provides, by raw information, Physical layer control information and remote processor unit configuration information are sent to remote processor unit from baseband control unit, carry out Base-Band Processing at remote processor unit.Thus the transinformation reduced between baseband control unit and remote processor unit, reduce the relaying demand between baseband control unit and remote processor unit.
Fig. 4 is the schematic diagram of another embodiment of information transmitting system of the present invention.Compared with embodiment illustrated in fig. 3, the inter-layer data that also comprises embodiment illustrated in fig. 4 transmits and functions of retransmission unit 401, relay control unit 402.Wherein:
Second data scheduling unit 312 is also for sending to inter-layer data to transmit and functions of retransmission unit 401 by raw information and physical layer control channel information.
Inter-layer data transmission and functions of retransmission unit 401, for storing raw information and physical layer control channel information, and send to baseband functions unit 313 by raw information and physical layer control channel information.
According to another specific embodiment of the present invention, baseband functions unit 313 is also for after sending to radio frequency unit 314 by base-band information, the terminal feedback information that received RF unit 314 sends, Base-Band Processing is carried out to feedback information, obtain feeding back indication information, and sent to by feedback indication information inter-layer data to transmit and functions of retransmission unit 401; After the raw information receiving inter-layer data transmission and functions of retransmission unit 401 transmission and physical layer control channel information, perform and utilize physical layer control channel information, raw information is carried out to the operation of Base-Band Processing.
Inter-layer data transmission and functions of retransmission unit 401 are also for judging whether feedback indication information is hybrid automatic repeat-request HARQ information; If feedback indication information is HARQ information, then the raw information of storage and physical layer control channel information are sent to baseband functions unit 313.
According to another specific embodiment of the present invention, the described information of other remote processor unit that sends to, also for when having the information sending to other remote processor unit, is sent to relay control unit 402 by second layer interface unit 311.
Relay control unit 402, also for by common layer interface, sends to corresponding remote processor unit by the described information of other remote processor unit that sends to; When being received the information that other remote processor unit sends by common layer interface, the information that other remote processor unit sends is sent to second layer interface unit 311.
According to another specific embodiment of the present invention, radio resource managing unit 302 produces Physical layer control information specifically for the metrical information provided according to signal measurement unit in remote processor unit, and wherein metrical information represents the subscriber channel state that remote processor unit is current.
Remote processor indicating member 303 produces remote processor unit configuration information specifically for the configuration feedback information provided according to the second data scheduling unit in remote processor unit, wherein configures feedback information and represents the configuration status that remote processor unit is current.
Fig. 5 is the schematic diagram of a message receiving method of the present invention embodiment.In Figure 5, the method for sending information of this embodiment is as follows:
Step 501, in remote processor unit, radio frequency unit receives the radio-frequency information that user terminal sends, and obtains base-band information, base-band information is sent to baseband functions unit after radio-frequency information is carried out radio frequency processing.
Step 502, base-band information is carried out Base-Band Processing by baseband functions unit, obtains raw information, raw information is sent to the second data scheduling unit.
Step 503, the second data scheduling unit is after receiving described raw information, and obtain metrical information from signal measurement unit, wherein metrical information is for representing the subscriber channel state that remote processor unit is current.
Step 504, the second data scheduling unit generates configuration feedback information, for representing the configuration status that remote processor unit is current.
Step 505, after raw information, metrical information and configuration feedback information merge by the second data scheduling unit, generates second and sends information, the second transmission information is sent to second layer interface unit.
Step 506, the second transmission information to be sent to the ground floor interface unit in baseband control unit by second layer interface unit by common layer interface.
Step 507, in baseband control unit, ground floor interface unit receives described second and sends information, and the second transmission information is sent to the first data scheduling unit.
Step 508, it is raw information, metrical information and configuration feedback information that first data scheduling unit sends information decomposition by second, raw information is sent to data and controls transfer unit, metrical information is sent to radio resource managing unit, configuration feedback information is sent to remote processor indicating member.
Based on the message receiving method that the above embodiment of the present invention provides, by the information received is carried out Base-Band Processing with the raw information obtained at remote processor unit, the feedback information that raw information and remote processor unit produce is sent to baseband control unit.Thus the transinformation reduced between baseband control unit and remote processor unit, reduce the relaying demand between baseband control unit and remote processor unit.
According to another specific embodiment of the present invention, radio resource managing unit produces Physical layer control information according to described metrical information, and wherein Physical layer control information controls for the subscriber channel state current to remote processor unit.
Remote processor indicating member produces remote processor unit configuration information according to described configuration feedback information, and wherein remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit.
The feedback information that baseband control unit provides by utilizing remote processor unit, can provide parameter configuration and control more accurately for downlink information sends, thus realize user scheduling better.
Fig. 6 is the schematic diagram of an information receiving system of the present invention embodiment.In figure 6, system comprises remote processor unit 61 and baseband control unit 62, remote processor unit 61 comprises radio frequency unit 601, baseband functions unit 602, signal measurement unit 603, second data scheduling unit 604, second layer interface unit 605, baseband control unit 62 comprises ground floor interface unit 611, first data scheduling unit 612, data and controls transfer functional unit 613, radio resource managing unit 614, remote processor indicating member 615, wherein:
Radio frequency unit 601, for receiving the radio-frequency information that user terminal sends, obtaining base-band information after radio-frequency information is carried out radio frequency processing, base-band information being sent to baseband functions unit 602.
Baseband functions unit 602, for base-band information is carried out Base-Band Processing, obtains raw information, raw information is sent to the second data scheduling unit 604.
Signal measurement unit 603, for measuring the current subscriber channel state of remote processor unit;
Second data scheduling unit 604, for after receiving described raw information, obtains metrical information from signal measurement unit 603; Generate configuration feedback information, for representing the configuration status that remote processor unit is current; After raw information, metrical information and configuration feedback information are merged, generate second and send information, the second transmission information is sent to second layer interface unit 605.
Second layer interface unit 605, for sending to ground floor interface unit 611 by common layer interface by the second transmission information;
Ground floor interface unit 611, for receiving described second transmission information, sends to the first data scheduling unit 612 by the second transmission information.
First data scheduling unit 612, for by second send information decomposition be raw information, metrical information and configuration feedback information, raw information is sent to data and controls transfer unit 613, metrical information is sent to radio resource managing unit 614, configuration feedback information is sent to remote processor indicating member 615.
Data and controls transfer functional unit 613, for storing raw information.
Radio resource managing unit 614, for store measurement information.
Remote processor indicating member 615, for stored configuration feedback information.
Based on the information receiving system that the above embodiment of the present invention provides, by the information received is carried out Base-Band Processing with the raw information obtained at remote processor unit, the feedback information that raw information and remote processor unit produce is sent to baseband control unit.Thus the transinformation reduced between baseband control unit and remote processor unit, reduce the relaying demand between baseband control unit and remote processor unit.
According to another specific embodiment of the present invention, radio resource managing unit 614 is also for producing Physical layer control information according to described metrical information, and wherein Physical layer control information controls for the subscriber channel state current to remote processor unit.
Remote processor indicating member 615 is also for producing remote processor unit configuration information according to described configuration feedback information, and wherein remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit.
The feedback information that baseband control unit provides by utilizing remote processor unit, can provide parameter configuration and control more accurately for downlink information sends, thus realize user scheduling better.
According to another specific embodiment of the present invention, also can arrange in remote processor unit 61 embodiment illustrated in fig. 4 in relay control unit.
According to another specific embodiment of the present invention, BCU can dispose in a network as stand-alone product, also can use together with existing BBU.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a method for sending information, is characterized in that,
In baseband control unit, after first data scheduling unit receives the raw information of data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit;
First data scheduling unit generates first and sends information, the first transmission information is sent to ground floor interface unit after the raw information, Physical layer control information and the remote processor unit configuration information that receive being merged;
First transmission information is sent to the second layer interface unit of remote processor unit by ground floor interface unit by common layer interface;
In remote processor unit, second layer interface unit receives described first and sends information, and the first transmission information is sent to the second data scheduling unit;
It is raw information, Physical layer control information and remote processor unit configuration information that second data scheduling unit sends information decomposition by first, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to baseband functions unit;
Baseband functions unit utilizes physical layer control channel information, carries out Base-Band Processing, obtains base-band information, and base-band information is sent to radio frequency unit to raw information;
Radio frequency unit obtains radio-frequency information, and radio-frequency information is sent to user terminal after base-band information is carried out radio frequency processing;
Wherein, in remote processor unit, when second layer interface unit has the information of other remote processor unit, the information of other remote processor unit described is sent to relay control unit by second layer interface unit; The information of other remote processor unit described, by common layer interface, is sent to corresponding remote processor unit by relay control unit; When relay control unit receives the information of other remote processor unit transmission by common layer interface, the information that other remote processor unit sends is sent to second layer interface unit, to realize information interaction between remote processor unit by relay control unit.
2. method according to claim 1, is characterized in that,
Raw information and physical layer control channel information send to baseband functions unit to comprise by described second data scheduling unit:
Raw information and physical layer control channel information send to inter-layer data to transmit and functions of retransmission unit by the second data scheduling unit;
Inter-layer data transmission and functions of retransmission unit store raw information and physical layer control channel information, and raw information and physical layer control channel information are sent to baseband functions unit.
3. method according to claim 2, is characterized in that,
After base-band information is sent to radio frequency unit by described baseband functions unit, also comprise:
After the terminal feedback information that baseband functions unit received RF unit sends, Base-Band Processing is carried out to feedback information, obtain feeding back indication information, and sent to by feedback indication information inter-layer data to transmit and functions of retransmission unit;
Whether inter-layer data transmission and functions of retransmission unit judges feedback indication information are hybrid automatic repeat-request HARQ information;
If feedback indication information is HARQ information, then the raw information of storage and physical layer control channel information are sent to baseband functions unit by inter-layer data transmission and functions of retransmission unit;
Baseband functions unit performs and utilizes physical layer control channel information, raw information is carried out to the step of Base-Band Processing.
4. the method according to any one of claim 1-3, is characterized in that,
The metrical information that radio resource managing unit provides according to signal measurement unit in remote processor unit produces Physical layer control information, and wherein metrical information represents the subscriber channel state that remote processor unit is current;
The configuration feedback information that remote processor indicating member provides according to the second data scheduling unit in remote processor unit produces remote processor unit configuration information, wherein configures feedback information and represents the configuration status that remote processor unit is current.
5. an information transmitting system, it is characterized in that, comprise baseband control unit and remote processor unit, baseband control unit comprises data and controls transfer functional unit, radio resource managing unit, remote processor indicating member, first data scheduling unit, ground floor interface unit, remote processor unit comprises second layer interface unit, the second data scheduling unit, baseband functions unit, radio frequency unit and relay control unit, wherein:
Data and controls transfer functional unit, for providing raw information;
Radio resource managing unit, for providing Physical layer control information;
Remote processor indicating member, for providing remote processor unit configuration information;
First data scheduling unit, for after the raw information receiving data and the transmission of controls transfer functional unit, obtain Physical layer control information from radio resource managing unit, distally process indicating member acquisition remote processor unit configuration information, wherein Physical layer control information controls for the subscriber channel state current to remote processor unit, and remote processor unit configuration information is used for being configured the Radio Resource of remote processor unit; After the raw information, Physical layer control information and the remote processor unit configuration information that receive are merged, generate first and send information, the first transmission information is sent to ground floor interface unit;
Ground floor interface unit, for sending to second layer interface unit by common layer interface by the first transmission information;
Second layer interface unit, for receiving described first transmission information, sends to the second data scheduling unit by the first transmission information; Also for when having the information of other remote processor unit, the information of other remote processor unit described is sent to relay control unit;
Second data scheduling unit, for by first send information decomposition be raw information, Physical layer control information and remote processor unit configuration information, physical layer control channel information is generated according to Physical layer control information, utilize remote processor unit configuration information to be configured the Radio Resource in remote processor unit, raw information and physical layer control channel information are sent to baseband functions unit;
Baseband functions unit, for utilizing physical layer control channel information, carrying out Base-Band Processing to raw information, obtaining base-band information, and base-band information is sent to radio frequency unit;
Radio frequency unit, after base-band information is carried out radio frequency processing, obtains radio-frequency information, and radio-frequency information is sent to user terminal;
Relay control unit, also for by common layer interface, sends to corresponding remote processor unit by the information of other remote processor unit described; When being received the information that other remote processor unit sends by common layer interface, the information that other remote processor unit sends is sent to second layer interface unit, to realize information interaction between remote processor unit.
6. system according to claim 5, is characterized in that, also comprises:
Second data scheduling unit is also for sending to inter-layer data to transmit and functions of retransmission unit by raw information and physical layer control channel information;
Inter-layer data transmission and functions of retransmission unit, for storing raw information and physical layer control channel information, and send to baseband functions unit by raw information and physical layer control channel information.
7. system according to claim 6, is characterized in that,
Baseband functions unit is also for after sending to radio frequency unit by base-band information, the terminal feedback information that received RF unit sends, Base-Band Processing is carried out to feedback information, obtains feeding back indication information, and sent to by feedback indication information inter-layer data to transmit and functions of retransmission unit; After the raw information receiving inter-layer data transmission and the transmission of functions of retransmission unit and physical layer control channel information, perform and utilize physical layer control channel information, raw information is carried out to the operation of Base-Band Processing;
Inter-layer data transmission and functions of retransmission unit are also for judging whether feedback indication information is hybrid automatic repeat-request HARQ information; If feedback indication information is HARQ information, then the raw information of storage and physical layer control channel information are sent to baseband functions unit.
8. the system according to any one of claim 5-7, is characterized in that,
Radio resource managing unit produces Physical layer control information specifically for the metrical information provided according to signal measurement unit in remote processor unit, and wherein metrical information represents the subscriber channel state that remote processor unit is current;
Remote processor indicating member produces remote processor unit configuration information specifically for the configuration feedback information provided according to the second data scheduling unit in remote processor unit, wherein configures feedback information and represents the configuration status that remote processor unit is current.
9. a message receiving method, is characterized in that,
In remote processor unit, radio frequency unit receives the radio-frequency information that user terminal sends, and obtains base-band information, base-band information is sent to baseband functions unit after radio-frequency information is carried out radio frequency processing;
Base-band information is carried out Base-Band Processing by baseband functions unit, obtains raw information, raw information is sent to the second data scheduling unit;
Second data scheduling unit is after receiving described raw information, and obtain metrical information from signal measurement unit, wherein metrical information is for representing the subscriber channel state that remote processor unit is current;
Second data scheduling unit generates configuration feedback information, for representing the configuration status that remote processor unit is current;
After raw information, metrical information and configuration feedback information merge by the second data scheduling unit, generate second and send information, the second transmission information is sent to second layer interface unit;
Second transmission information to be sent to the ground floor interface unit in baseband control unit by second layer interface unit by common layer interface;
In baseband control unit, ground floor interface unit receives described second and sends information, and the second transmission information is sent to the first data scheduling unit;
It is raw information that first data scheduling unit sends information decomposition by second, metrical information and configuration feedback information, raw information is sent to data and controls transfer unit, metrical information is sent to radio resource managing unit, configuration feedback information is sent to remote processor indicating member, so that radio resource managing unit produces the Physical layer control information being used for the subscriber channel state current to remote processor unit and controlling according to described metrical information, remote processor indicating member produces the remote processor unit configuration information being used for being configured the Radio Resource of remote processor unit according to described configuration feedback information,
Wherein, in remote processor unit, when second layer interface unit has the information of other remote processor unit, the information of other remote processor unit described is sent to relay control unit by second layer interface unit; The information of other remote processor unit described, by common layer interface, is sent to corresponding remote processor unit by relay control unit; When relay control unit receives the information of other remote processor unit transmission by common layer interface, the information that other remote processor unit sends is sent to second layer interface unit, to realize information interaction between remote processor unit by relay control unit.
10. an information receiving system, it is characterized in that, comprise remote processor unit and baseband control unit, remote processor unit comprises radio frequency unit, baseband functions unit, signal measurement unit, the second data scheduling unit, second layer interface unit and relay control unit, baseband control unit comprises ground floor interface unit, the first data scheduling unit, data and controls transfer functional unit, radio resource managing unit, remote processor indicating member, wherein:
Radio frequency unit, for receiving the radio-frequency information that user terminal sends, obtaining base-band information after radio-frequency information is carried out radio frequency processing, base-band information being sent to baseband functions unit;
Baseband functions unit, for base-band information is carried out Base-Band Processing, obtains raw information, raw information is sent to the second data scheduling unit;
Signal measurement unit, for measuring the current subscriber channel state of remote processor unit;
Second data scheduling unit, for after receiving described raw information, obtains metrical information from signal measurement unit; After raw information, metrical information and configuration feedback information are merged, generate second and send information, the second transmission information is sent to second layer interface unit;
Second layer interface unit, for sending to ground floor interface unit by common layer interface by the second transmission information; Also for when having the information of other remote processor unit, the information of other remote processor unit described is sent to relay control unit;
Ground floor interface unit, for receiving described second transmission information, sends to the first data scheduling unit by the second transmission information;
First data scheduling unit, for by second send information decomposition be raw information, metrical information and configuration feedback information, raw information is sent to data and controls transfer unit, metrical information is sent to radio resource managing unit, configuration feedback information is sent to remote processor indicating member;
Data and controls transfer functional unit, for storing raw information;
Radio resource managing unit, for store measurement information, to produce the Physical layer control information being used for the subscriber channel state current to remote processor unit and controlling according to described metrical information;
Remote processor indicating member, for stored configuration feedback information, to produce the remote processor unit configuration information being used for being configured the Radio Resource of remote processor unit according to described configuration feedback information;
Relay control unit, also for by common layer interface, sends to corresponding remote processor unit by the information of other remote processor unit described; When being received the information that other remote processor unit sends by common layer interface, the information that other remote processor unit sends is sent to second layer interface unit, to realize information interaction between remote processor unit.
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| CN101868054A (en) * | 2010-05-07 | 2010-10-20 | 武汉邮电科学研究院 | Improved distribution-type base station architecture and realization method |
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| CN101868054A (en) * | 2010-05-07 | 2010-10-20 | 武汉邮电科学研究院 | Improved distribution-type base station architecture and realization method |
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