CN104662956B

CN104662956B - Band processing system, method for processing baseband signal and base station

Info

Publication number: CN104662956B
Application number: CN201380001340.XA
Authority: CN
Inventors: 蒋亚军; 王珏平; 王吉滨; 李波杰; 张锦芳
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-09-25
Filing date: 2013-09-25
Publication date: 2018-10-19
Anticipated expiration: 2033-09-25
Also published as: CN104662956A; WO2015042802A1

Abstract

The embodiment of the invention discloses a kind of band processing system, method for processing baseband signal and base stations.A kind of band processing system, including base band associated units and at least one baseband processing unit, baseband processing unit is used to obtain uplink Combined Treatment data after completing preposition processing from the up-link wireless signal data that at least one remote radio unit (RRU) RRU is received, and the uplink Combined Treatment data are transmitted to base band associated units by the hybrid interface, base band associated units are used to obtain the upper layer protocol data that can be sent to base station control node after completing Combined Treatment processing from the uplink Combined Treatment data that at least one baseband processing unit receives.So that being transferred to multiple websites of proximal end base band associated units or the uplink Combined Treatment data bandwidth reduction of multiple cells, data transfer bandwidth between proximal device and remote equipment is reduced.The embodiment of the invention also discloses method for processing baseband signal and base station.

Description

Band processing system, method for processing baseband signal and base station

Technical field

The present embodiments relate to the communications field more particularly to band processing system, method for processing baseband signal and base stations.

Background technology

In the distributed base station of existing remote radio, entire base station is divided into baseband processing unit（BBU, BaseBand Unit）And remote radio unit (RRU)（RRU, Radio Remote Unit）.Wherein RRU is placed on from BBU farther out Access point at, connected with common public radio interface by optical fiber between BBU and RRU（CPRI, common public radio interface）Interface transmits base band wireless digital signal.

With long evolving system（LTE, Long Term Evolution）Etc. surpass 3 generation communication systems and the 4th generation communication The appearance of systems technology, wireless frequency spectrum width is increasing, can reach 20MHz to 100MHz, simultaneously because supporting multichannel defeated Enter multiple-channel output（MIMO, Multiple Input Multiple Output）Etc. joint processing technologies appearance, cause close It is increasing that the required bandwidth of base band wireless digital signal is transmitted between the BBU at end and the RRU of distal end, for example, using number Mode transmits i/q signal, in a 20MHz bandwidth system, there is 3 sectors, and each RRU configures 4 antennas, BBU and RRU it Between data transmission rate will be up to 11.8Gbps, therefore effectively reduce the data transfer bandwidth between proximal end BBU and distal end RRU, Seem extremely important.

Invention content

In view of this, an embodiment of the present invention provides a kind of band processing system, method for processing baseband signal and base station, with It realizes in the baseband signal Combined Treatment of multiple websites or multiple cells, effectively reduces between remote equipment and proximal device Transmission bandwidth.

In a first aspect, provide band processing system, which includes base band associated units and at least one Baseband processing unit, wherein each baseband processing unit is connected in distal end at least one remote radio unit (RRU) RRU, institute It states base band associated units and is located at proximal end, connect at least one baseband processing unit by hybrid interface；

When the wireless signal data of the band processing system processing uplink,

The baseband processing unit, the up-link wireless signal data for will be received from least one RRU are completed It obtains waiting for uplink Combined Treatment data after preposition processing, and waits for that uplink Combined Treatment data are passed by the hybrid interface by described Transport to the base band associated units, wherein the preposition processing includes at least everywhere in before radio frames frame decoding is handled and manages step And radio frames frame decoding processing；

The base band associated units, for being waited for what is received from least one baseband processing unit from uplink joint Reason data obtain the upper layer protocol data that can be sent to base station control node after completing uplink Combined Treatment, wherein the uplink The upper-layer protocol that Combined Treatment includes at least up direction is handled;Alternatively,

When the upper layer protocol data of the band processing system processing downlink,

The base band associated units, the upper layer protocol data of the downlink for will be received from the base station control node are complete At obtaining downlink Combined Treatment data after downlink Combined Treatment, and the downlink Combined Treatment data are passed through into the hybrid interface It is transmitted to baseband processing unit, wherein the upper-layer protocol that the downlink Combined Treatment includes at least down direction is handled；

The baseband processing unit, the preposition processing data of the downlink for will be received from the base band associated units The downstream wireless signals data that can be sent at least one RRU are obtained after completing postpositive disposal, wherein the postpositive disposal Reason step and the processing of radio frames framing everywhere in after being handled including at least radio frames framing.

It is described to wait for uplink Combined Treatment data including at least following in the first possible realization method of first aspect A kind of signal data of interface：First interface, second interface and third interface, wherein the first interface is radio frames frame decoding Interface between processing and demodulation process, interface of the second interface between demodulation process and decoding process, the third Interface is the interface between decoding process and upper-layer protocol processing.

With reference to first aspect or the first possible realization method of first aspect, in second of possible realization method The baseband processing unit, is specifically used for：

Up-link wireless signal for will be received from least one RRU according to the transmission bandwidth of the hybrid interface Data handle to obtain at least through radio frames frame decoding waits for uplink Combined Treatment data.

The possible realization method of with reference to first aspect the first, in the third possible realization method, the base band Processing unit includes the first determining module and first processing module：

First determining module, the signal data for determining distinct interface according to the transmission bandwidth of the hybrid interface Ratio in waiting for uplink Combined Treatment data, the distinct interface include at least following one kind：First interface, second interface and Third interface；

The signal data of the first processing module, each interface for being determined according to first determining module is waiting for Ratio in row Combined Treatment data completes preposition processing to the up-link wireless signal data received from least one RRU It obtains waiting for uplink Combined Treatment data.

The third possible realization method with reference to first aspect, in the 4th kind of possible realization method, described first Determining module is specifically used for,

If the transmission bandwidth of the hybrid interface is higher than the data bandwidth of first interface, the signal number of first interface is determined It is 100% according to the ratio in waiting for uplink Combined Treatment data；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the first interface, according to default Rule determines ratio of the signal data of distinct interface in waiting for uplink Combined Treatment data；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the first interface, described in acquisition The Combined Treatment scheme of the up-link wireless signal data received from least one RRU, exists according to the signal data of distinct interface Wait for the performance benefits of the ratio and different Combined Treatment schemes in uplink Combined Treatment data correspondence and it is described to The Combined Treatment scheme for the up-link wireless signal data that a few RRU is received determines that the signal data of distinct interface is waiting for uplink Ratio in Combined Treatment data；

Wherein,

The data bandwidth of the first interface is the up-link wireless signal data received from least one RRU according to Wireless signal data complete radio frames frame decodings treated the bandwidth that data determine.

Aforementioned various possible realization methods with reference to first aspect, in the 5th kind of possible realization method, the base Band associated units, are specifically used for:

If described wait for that uplink Combined Treatment data include the data of first interface, the data of the first interface are carried out Joint demodulation processing, combined decoding processing and upper-layer protocol handle to obtain the upper-layer protocol number that can be sent to base station control node According to；Alternatively,

If described wait for that uplink Combined Treatment data include the data of second interface, the data of the second interface are carried out Combined decoding processing and upper-layer protocol handle to obtain the upper layer protocol data that can be sent to base station control node；Alternatively,

If described wait for that uplink Combined Treatment data include the data of third interface, the data of the third interface are passed through The upper layer protocol data that can be sent to base station control node is obtained after upper-layer protocol processing.

In the 6th kind of possible realization method of first aspect, the downlink Combined Treatment data are included at least with next The signal data of kind interface：4th interface, the 5th interface and the 6th interface, wherein the 4th interface is at radio frames framing Interface between reason and modulation treatment, interface of the 5th interface between modulation treatment and coded treatment, the described 6th connects Mouth is the interface between coded treatment and upper-layer protocol processing.

With reference to first aspect or the 6th kind of possible realization method of first aspect, the 7th kind in first aspect are possible In realization method, the base band associated units are specifically used for：

For according to the transmission bandwidth of the hybrid interface by the upper layer of the downlink received from the base station control node Protocol data handles to obtain downlink Combined Treatment data at least through the upper-layer protocol of down direction.

The 6th kind of possible realization method with reference to first aspect, in the 8th kind of possible realization method of first aspect In, the base band associated units include the second determining module and Second processing module：

Second determining module, the signal data for determining distinct interface according to the transmission bandwidth of the hybrid interface Ratio in downlink Combined Treatment data, the distinct interface include at least following one kind：4th interface, the 5th interface and Six interfaces；

The Second processing module, the signal data of each interface for being determined according to second determining module is in downlink Under ratio in Combined Treatment data completes the upper layer protocol data of the downlink received from the base station control node Downlink Combined Treatment data are obtained after row Combined Treatment.

The 8th kind of possible realization method with reference to first aspect, in the 9th kind of possible realization method of first aspect In,

Second determining module, is specifically used for,

If the transmission bandwidth of the hybrid interface is higher than the data bandwidth of the 4th interface, the signal number of the 4th interface is determined It is 100% according to the ratio in downlink Combined Treatment data；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the 4th interface, according to default Rule determines ratio of the signal data of distinct interface in downlink Combined Treatment data；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the 4th interface, described in acquisition The Combined Treatment scheme of the upper layer protocol data of the downlink received from the base station control node, according to the signal of distinct interface The correspondence of the performance benefits of ratio and different Combined Treatment scheme of the data in downlink Combined Treatment data and described The Combined Treatment scheme of the upper layer protocol data of the downlink received from the base station control node determines the signal of distinct interface Ratio of the data in downlink Combined Treatment data；

Wherein,

The data bandwidth of 4th interface is the upper layer of the downlink received from the base station control node according to Protocol data completes the bandwidth of the data determination after modulation treatment.

The 6th kind of possible realization method with reference to first aspect or the 7th kind of possible realization method or the 8th The possible realization method of kind or the 9th kind of possible realization method, in the tenth kind of possible realization method, at the base band Unit is managed, is specifically used for:

If the downlink Combined Treatment data include the data of the 4th interface, by the data of the 4th interface into Reason step obtains to send at least one RRU everywhere in after the processing of row radio frames framing and the processing of radio frames framing Downlink wireless signal data；Alternatively,

If the downlink Combined Treatment data include the data of the 5th interface, by the data of the 5th interface into Obtain can be at least one institute for reason step everywhere in after row modulation treatment, the processing of radio frames framing and the processing of radio frames framing State the wireless signal data of the downlink of RRU transmissions；Alternatively,

If the downlink Combined Treatment data include the data of the 6th interface, the data of the 6th interface are compiled It obtains to send out at least one RRU after code processing, modulation treatment, the processing of radio frames framing and the processing of radio frames framing The wireless signal data for the downlink sent.

Aforementioned various possible realization methods with reference to first aspect, it is described in a kind of the tenth possible realization method Base station control node is base station controller, alternatively, core net.

Second aspect, the method for providing base band signal process, this method include：

When band processing system handles the wireless signal data of uplink,

At least one RRU that baseband processing unit in the band processing system will be connected with the baseband processing unit The up-link wireless signal data received obtains waiting for uplink Combined Treatment data after completing preposition processing, and will wait at uplink joint Reason data are transmitted to base band associated units by hybrid interface, wherein the preposition processing includes at least radio frames frame decoding and handles Step and the processing of radio frames frame decoding are managed everywhere in before；

Base band associated units in the band processing system will be received from least one baseband processing unit The upper layer protocol data that can occur to base station control node is obtained after uplink Combined Treatment data complete uplink Combined Treatment, In, the uplink Combined Treatment is including at least upper-layer protocol processing；Alternatively,

Base band associated units in the band processing system are by the upper of the downlink received from the base station control node Layer protocol data obtain downlink Combined Treatment data after completing downlink Combined Treatment, and the downlink Combined Treatment data are passed through The hybrid interface is transmitted to baseband processing unit, wherein assists on the upper layer that the downlink Combined Treatment includes at least down direction View processing；

The downlink that baseband processing unit in the band processing system will be received from the base band associated units Combined Treatment data obtain the downstream wireless signals data that can be sent at least one RRU after completing postpositive disposal, wherein The postpositive disposal includes at least reason step and the processing of radio frames framing everywhere in after radio frames framing is handled.

It is described to wait for uplink Combined Treatment data including at least following in the first possible realization method of second aspect A kind of signal data of interface：First interface, second interface and third interface, wherein the first interface is radio frames frame decoding Interface between processing and demodulation process, interface of the second interface between demodulation process and decoding process, the third Interface is the interface between decoding process and upper-layer protocol processing.

In conjunction with the possible realization method of the first of second aspect or second aspect, in second of possible realization method What the baseband processing unit in the band processing system received at least one RRU being connected with the baseband processing unit Up-link wireless signal data obtains waiting for that uplink Combined Treatment data include after completing preposition processing：

Baseband processing unit in the band processing system will be from least one according to the transmission bandwidth of the hybrid interface The up-link wireless signal data that a RRU is received handles to obtain at least through radio frames frame decoding waits for uplink Combined Treatment data.

In conjunction with the first possible realization method of second aspect, in the third possible realization method, the base band The up-link wireless that baseband processing unit in processing system receives at least one RRU being connected with the baseband processing unit Signal data obtains waiting for that uplink Combined Treatment data include after completing preposition processing：

Determine the signal data of each interface in waiting for uplink Combined Treatment data according to the transmission bandwidth of the hybrid interface Ratio, the interface include at least following one kind：First interface, second interface and third interface；

According to ratio of the signal data of each interface in waiting for uplink Combined Treatment data to described from least one The up-link wireless signal data that RRU is received completes preposition processing and obtains waiting for uplink Combined Treatment data.

In conjunction with the third possible realization method of second aspect, in the 4th kind of possible realization method, the basis The transmission bandwidth of the hybrid interface determines ratio of the signal data of distinct interface in waiting for uplink Combined Treatment data, packet It includes：

Wherein,

In conjunction with the aforementioned various possible realization methods of second aspect, in the 5th kind of possible realization method, the base Base band associated units in tape handling system wait for uplink Combined Treatment by what is received from least one baseband processing unit Data obtain the upper layer protocol data that can occur to base station control node after completing uplink Combined Treatment, including：

In the 6th kind of possible realization method of second aspect, the downlink Combined Treatment data are included at least with next The signal data of kind interface：4th interface, the 5th interface and the 6th interface, wherein the 4th interface is at radio frames framing Interface between reason and modulation treatment, interface of the 5th interface between modulation treatment and coded treatment, the described 6th connects Mouth is the interface between coded treatment and upper-layer protocol processing.

In conjunction with the 6th kind of possible realization method of second aspect or second aspect, the 7th kind in second aspect is possible In realization method, base band associated units in the band processing system are by the downlink received from the base station control node Obtaining downlink Combined Treatment data after upper layer protocol data completion downlink Combined Treatment includes：

Base band associated units in the band processing system will be from the base according to the transmission bandwidth of the hybrid interface The upper layer protocol data for the downlink that stand control node receives handles to obtain downlink connection at least through the upper-layer protocol of down direction Close processing data.

In conjunction with the 6th kind of possible realization method of second aspect, in the 8th kind of possible realization method of second aspect In, the base band associated units include the second determining module and Second processing module：

In conjunction with the 8th kind of possible realization method of second aspect, in the 9th kind of possible realization method of second aspect In,

The transmission bandwidth according to the hybrid interface determines the signal data of distinct interface in downlink Combined Treatment number Ratio in, including：

Wherein,

In conjunction with the 6th kind of possible realization method or the 7th kind of possible realization method or the 8th of second aspect The possible realization method of kind or the 9th kind of possible realization method, in the tenth kind of possible realization method, at the base band Baseband processing unit in reason system will be after the completion of the downlink Combined Treatment data that received from the base band associated units The downstream wireless signals data that can be sent at least one RRU are obtained after setting processing, including：

It is described in a kind of the tenth possible realization method in conjunction with the aforementioned various possible realization methods of second aspect Base station control node is base station controller, alternatively, core net.

The third aspect provides a kind of base station, which includes：

At least one remote radio unit (RRU) RRU, band processing system as described in any one of the above embodiments, wherein the base band Each baseband processing unit in processing system is connected in distal end at least one RRU, the base band in band processing system Associated units are disposed in proximal end.

In the first possible realization method of the third aspect, the RRU of each baseband processing unit connection is same website Or the RRU of same cell.

Through the above scheme, base band signal process is completed jointly by baseband processing unit and base band associated units, at base band Manage unit to dispose close to RRU, the deployment of base band associated units proximal end, multiple websites for being transmitted between proximal device and remote equipment or The Combined Treatment data bandwidth of multiple cells reduces, and effectively reduces data transfer bandwidth between proximal device and remote equipment, And since the hybrid interface between baseband processing unit and base band associated units can transmit the data of multiple interfaces, Ke Yiling The transmission bandwidth and performance benefits living for controlling multiple websites or multiple community associated processing.

Description of the drawings

Fig. 1 is the structural schematic diagram for the band processing system that one embodiment of the invention provides；

Fig. 2 is the schematic diagram for the base band signal process that another embodiment of the present invention provides；

Fig. 3 is the structural schematic diagram for the band processing system that another embodiment of the present invention provides；

Fig. 4 is the structural schematic diagram for the band processing system that another embodiment of the present invention provides；

Fig. 5 is the flow chart for the method for processing baseband signal that another embodiment of the present invention provides；

Fig. 6 is the flow chart for the method for processing baseband signal that another embodiment of the present invention provides；

Fig. 7 is the structural schematic diagram for the base station that another embodiment of the present invention provides.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is to be understood that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts Every other embodiment, shall fall within the protection scope of the present invention.

Band processing system, method and the distributed base station of the embodiment of the present invention can pass through base station（Node B, referred to as NodeB）Or evolved base station（Evolved node B, referred to as eNodeB）It is set etc. the base station in the communication system of various standards It is standby to realize.

Fig. 1 is the structural schematic diagram for the band processing system that one embodiment of the invention provides, as shown, the Base-Band Processing System may include at least one baseband processing unit 101 and base band associated units 102, and each baseband processing unit 101 passes through Mixed transport interface is connect with base band associated units 102.

Baseband processing unit 101 can be disposed close to RRU in distal end and be connected at least one RRU, for example, Base-Band Processing Unit 101 is connected in distal end with multiple RRU of same website or same cell, and base band associated units 102 can be in close end Administration and at least one baseband processing unit 101 connect, the connection for handling signal data between multiple websites or multiple cells Conjunction is handled.Here distal end is the position of adjacent antennas, is distal end for computer room, and proximal end is usually then to be deployed in computer room In position.

Up direction, the up-link wireless signal data received from RRU complete the base of up direction through band processing system It is sent to base station control node after band signal processing；The upper-layer protocol number for the downlink that down direction is received from base station control node It is sent to RRU according to after band processing system completes the base band signal process of down direction.

Fig. 2 is can be found in, gives the schematic diagram of base band signal process, up direction, band processing system is for from least The up-link wireless signal data that one remote radio unit (RRU) RRU is received passes through following step and handles successively：

Cyclic prefix is removed in middle radio-frequency channel reception processing（CP, cyclic prefix）Head, Fast Fourier Transform (FFT)（FFT, fast fourier transform）Carry out time domain data to the conversion of frequency domain data, the processing of radio frames frame decoding, demodulation process, Decoding process；

Then it is handled using the upper-layer protocol of up direction, such as：Media access control（MAC, media access control）Agreement, wireless spread-spectrum technology（RLC, radio link control）Agreement obtains to send to base station control node Upper layer protocol data；

Correspondingly, down direction, band processing system is for the upper-layer protocol of the downlink received from base station control node Data are passed through following step and are handled successively：

The upper layer protocol data of the downlink received from base station control node first passes through the upper-layer protocol processing of down direction, Such as：MAC protocol, rlc protocol processing；

Then pass through：

Coded treatment, modulation treatment, the processing of radio frames framing, inverse fast Fourier transform（IFFT, inverse fast fourier transform）Carry out conversion plus CP, middle radio-frequency channel transmission processing of the frequency domain data to time domain data.

Band processing system can be used for handling up-link wireless signal data, specifically include：

Baseband processing unit 101, the uplink for receiving at least one RRU being connected with the baseband processing unit Wireless signal data obtain waiting for uplink Combined Treatment data after completing preposition processing, and it is mixed to wait for that uplink Combined Treatment data pass through Base band associated units 102 are transported in splice grafting oral instructions, wherein preposition processing, which includes at least everywhere in before radio frames frame decoding is handled, manages step The processing of rapid and radio frames frame decoding.

Base band associated units 102, for waiting for uplink Combined Treatment by what is received from least one baseband processing unit 101 Data obtain the upper layer protocol data that can be sent to base station control node after completing uplink Combined Treatment, wherein the uplink connection The upper-layer protocol that processing is closed including at least up direction is handled.Here base station control node can be base station controller, also may be used To be core net.

Band processing system can also be used for processing downlink upper layer protocol data, specifically include：

Base band associated units 102, under the upper layer protocol data completion of the downlink for will be received from base station control node Downlink Combined Treatment data are obtained after row Combined Treatment, and the downlink Combined Treatment data are transmitted by the hybrid interface To baseband processing unit 101, wherein the upper-layer protocol that the downlink Combined Treatment includes at least down direction is handled；

Baseband processing unit 101, for will be after the completion of the downlink Combined Treatment data that base band associated units 102 receive The downstream wireless signals data that can be sent at least one RRU are obtained after setting processing, wherein the postpositive disposal at least wraps Include reason step and the processing of radio frames framing everywhere in after radio frames framing is handled.

For the convenience of description, multiple interfaces can be marked off between above-mentioned different disposal step, for example, up direction, Radio frames frame decoding can be handled to the interface between demodulation process as first interface, between demodulation process and decoding process Interface is second interface, and the interface between decoding process and upper-layer protocol processing is third interface；Alternatively,

Radio frames framing can be handled interface between modulation treatment as the 4th interface, at modulation by down direction As the 5th interface, the interface between coded treatment and upper-layer protocol processing connects interface between reason and coded treatment for the 6th Mouthful.

The up-link wireless signal data received is completed as it can be seen that the signal data of first interface is band processing system The signal data of radio frames frame decoding processing, the signal data of second interface are band processing systems by the signal data of first interface Further complete the signal data of demodulation process, the signal data of third interface is band processing system by the signal of second interface Data further complete the signal data of decoding process.

Similarly, the signal data of the 6th interface is that band processing system is complete by the upper layer protocol data of the downlink received At the signal data that the upper-layer protocol of down direction is handled, the signal data of the 5th interface is that band processing system connects the 6th Mouthful signal data further complete the signal data of coded treatment, the signal data of the 4th interface is band processing system by the The signal data of five interfaces further completes the signal data of modulation treatment.

It should be noted that above-mentioned only illustrate, base band signal process can also mark off more between different processing Multiplex roles, the embodiment of the present invention are without being limited thereto.

It can be by Base-Band Processing list that step is managed everywhere in the base band signal process of above-mentioned up direction or down direction Member 101 is completed, and be can also be to be completed by base band associated units 102, be can also be baseband processing unit 101 and base band associated units 102 common completion base band signal process.

For example, up direction, cyclic prefix is removed in reception processing in radio-frequency channel during baseband processing unit 101 is completed（CP, cyclic prefix）Head, Fast Fourier Transform (FFT)（FFT, fast fourier transform）Time domain data is carried out to frequency domain Conversion, the processing of radio frames frame decoding of data, base band associated units 102 complete demodulation process, decoding process and upper-layer protocol processing； Alternatively,

Down direction, radio-frequency channel transmission processing plus CP, iFFT progress frequency domain numbers during baseband processing unit 101 is completed According to the conversion to time domain data, the processing of radio frames framing, modulation treatment, base band associated units 102 complete coded treatment and upper layer Protocol processes.

In another example up direction, cyclic prefix is removed in reception processing in radio-frequency channel during baseband processing unit 101 is completed（CP, cyclic prefix）Head, Fast Fourier Transform (FFT)（FFT, fast fourier transform）Time domain data is carried out to frequency domain The conversion of data, the processing of radio frames frame decoding, demodulation process, base band associated units 102 complete decoding process and upper-layer protocol processing； Alternatively,

Down direction, radio-frequency channel transmission processing plus CP, iFFT progress frequency domain numbers during baseband processing unit 101 is completed According to conversion, the processing of radio frames framing to time domain data, 102 completion of base band associated units, modulation treatment, coded treatment and upper layer Protocol processes.

It should be noted that above-mentioned only illustrate, the embodiment of the present invention is not limited to this.

In one embodiment of the invention, band processing system is used to handle the wireless signal data of uplink.At base band Reason unit 101 received up-link wireless signal data can be handled at least through middle radio-frequency channel reception, go CP, FFT, radio frames frame decoding, which handle to obtain, waits for uplink Combined Treatment data, and the preposition processing of certain baseband processing unit 101 can be with Further comprise demodulation process and decoding process.

What is transmitted on hybrid interface between baseband processing unit 101 and base band associated units 102 waits for uplink Combined Treatment Data include the signal data of at least one interface, and interface here can connect for aforementioned first interface, second interface, third Mouthful, or other the more interfaces marked off between different disposal, for example, waiting for that uplink Combined Treatment data include the The signal data of one interface and the signal data of second interface, in another example, wait for that only including first in uplink Combined Treatment data connects The signal data of mouth, it should be noted that only illustrate here, the embodiment of the present invention is without being limited thereto.

Base band associated units 102, if the uplink Combined Treatment data that wait for received from baseband processing unit 101 include The data of first interface are carried out joint demodulation processing by the data of first interface, combined decoding processing and up direction it is upper Layer protocol handles to obtain the upper layer protocol data that can be sent to base station control node；Alternatively,

If what is received from baseband processing unit 101 waits for that uplink Combined Treatment data include the data of second interface, The data of second interface are subjected to combined decoding processing and upper-layer protocol handles to obtain can be sent to base station control node it is upper Layer protocol data；Alternatively,

If what is received from baseband processing unit 101 waits for that uplink Combined Treatment data include the data of third interface, The upper layer protocol data that the data of the third interface are obtained to send to base station control node after upper-layer protocol is handled.

It should be noted that above-mentioned only illustrate, if waiting for that uplink Combined Treatment data include the base band of up direction The signal data of other more interfaces is marked off in signal processing between different processing steps, then base band associated units 102 Subsequent processing steps corresponding with the interface can be completed to the signal data of these interfaces, details are not described herein.

The up-link wireless signal data received from least one RRU is in the processing for being sequentially completed above-mentioned base band signal process When step, the bandwidth of the data obtained after each step processing is sequentially reduced, for example, radio frequency in up-link wireless signal data process The band of the data obtained after the processing of channel is wider than the data that up-link wireless signal data obtains after the processing of radio frames frame decoding The bandwidth of bandwidth, the data that up-link wireless signal data obtains after the processing of radio frames frame decoding is greater than up-link wireless signal number According to the data obtained after decoding process, and so on.That is, for identical input, i.e., connect from least one RRU The up-link wireless signal data received, is handled by band processing system, and the band of the data of obtained first interface is wider than The bandwidth of the data of two interfaces, the band of the data of second interface are wider than the bandwidth of the data of third interface.

On the other hand, the up-link wireless signal data received from least one RRU is being sequentially completed above-mentioned processing step When, the data that are obtained after the processing of each step pass through corresponding steps with other websites or the up-link wireless signal data of cell When the data obtained after processing are handled according to different Combined Treatment schemes, the performance benefits of uplink Combined Treatment also differ. For example, the Combined Treatment scheme of the up-link wireless signal data of multiple cells or website is that reception antenna output signal-to-noise ratio is maximum Merging treatment scheme when, base band associated units 102 for multiple websites or cell up-link wireless signal data pass through nothing Line frame frame decoding treated data, the performance benefits for carrying out uplink Combined Treatment are higher than it and pass through the decoded data of radio frames Carry out the performance benefits of uplink Combined Treatment.That is, the joint of the up-link wireless signal data of multiple cells or website When processing scheme is reception antenna output signal-to-noise ratio maximum merging treatment scheme, base band associated units 102 treat uplink joint The data for handling the first interface in data carry out the performance benefits of uplink Combined Treatment higher than in uplink Combined Treatment data Third interface data carry out uplink Combined Treatment performance benefits.

In order to ensure that the up-link wireless signal data currently received from least one RRU passes through baseband processing unit 101 Base band associated units 102 can be all sent to after processing, baseband processing unit 101 can be specifically used for the biography according to hybrid interface Defeated bandwidth is waited for after being handled from the up-link wireless signal data that at least one RRU is received at least through radio frames frame decoding Row Combined Treatment data, and will wait for that uplink Combined Treatment data are transmitted to base band associated units 102 by hybrid interface.

Baseband processing unit 101 may include the first determining module and first processing module, wherein

First determining module, the transmission bandwidth for being specifically used for the hybrid interface between basis and base band associated units 102 are true Ratio of the signal data of fixed each interface in waiting for uplink Combined Treatment data, interface here can aforementioned first be connect Mouth either second interface or third interface, can also be that baseband processing unit 101 marks off more between different processing Other more interfaces.

First processing module is waiting for uplink connection specifically for the signal data of each interface determined according to the first determining module Ratio in conjunction processing data handles to obtain to the up-link wireless signal data completion received from least one RRU waits for that uplink joins Close processing data.

In another embodiment of the present invention, the first determining module is specifically used for, when baseband processing unit 101 and base band The bandwidth of hybrid interface between associated units 102 is sufficient, meets baseband processing unit 101 to being received from least one RRU The preposition processing of up-link wireless signal data when obtain the data of first interface transmission when, that is, 101 He of baseband processing unit When the transmission bandwidth of hybrid interface between base band associated units 102 is higher than the data bandwidth of first interface, determines and wait for that uplink joins It is the data of first interface in conjunction processing data, that is to say, that the signal data of first interface is waiting for uplink Combined Treatment number Ratio in is 100%.

In another embodiment of the present invention, the first determining module is specifically used for, when baseband processing unit 101 and base band The Bandwidth-Constrained of hybrid interface between associated units 102 cannot be satisfied baseband processing unit 101 to being connect from least one RRU The transmission of the data of the first interface obtained when the preposition processing of the up-link wireless signal data that receives, that is, baseband processing unit 101 The transmission bandwidth of hybrid interface between base band associated units 102 is below or equal to the data bandwidth of first interface, in order to Ensure that the uplink signal data of current all RRU received are transmitted to base band associated units 102, it can be according to preset rules Determine ratio of the signal data of distinct interface in waiting for uplink Combined Treatment data.For example, first being connect defined in preset rules Ratio of the signal data of mouth in waiting for uplink Combined Treatment data is 50%, and the signal data of second interface is waiting for uplink joint It is 10% to handle the ratio in data, and the ratio of the signal data of third interface in waiting for uplink Combined Treatment data is 40%；The One processing module is for obtaining the after completing the processing of radio frames frame decoding from up-link wireless signal data that at least one RRU is received The signal data of one interface according to ratio of the signal data of second interface in waiting for uplink Combined Treatment data and is estimated The bandwidth of the signal data of second interface determines that a part completes demodulation process and obtains the from the signal data of first interface The signal data of two interfaces according to ratio of the signal data of third interface in waiting for uplink Combined Treatment data and is estimated The bandwidth of the signal data of third interface determines that a part completes decoding process and obtains the from the signal data of second interface The signal data of three interfaces.After 101 preposition processing of baseband processing unit, first interface in uplink Combined Treatment data is waited for Signal data accounting 50%, the signal data accounting 10% of second interface, the signal data accounting 40% of third interface.

For the above-mentioned processing procedure of clearer explanation, it is assumed that first processing module will be received from least one RRU Uplink signal data obtain the bandwidth of first interface data as 2M bits per seconds after completing the processing of radio frames frame decoding（Bps, bit per second）, the transmission bandwidth of the hybrid interface between baseband processing unit 101 and base band associated units 102 is 1.5Mbps, the bandwidth of the signal data of the second interface obtained after the demodulated processing of signal data of first interface relative to It is 0.6 times with the bandwidth of the signal data of first interface, the third that the signal data of second interface obtains after decoding process The bandwidth of the signal data of interface is 0.5 times relative to the bandwidth of the signal data of second interface, and the first determining module is according to pre- If determining that ratio of the signal data of first interface in waiting for uplink Combined Treatment data is 50% in rule, the letter of second interface Ratio of the number in waiting for uplink Combined Treatment data is 10%, and the signal data of third interface is waiting for uplink Combined Treatment number Ratio in is 40%, and first processing module marks off 0.5Mbps conducts from the signal data of first interface and waits for that uplink is combined The part in data is handled, in addition 1.5Mbps obtains the signal data of second interface for demodulated processing, at this point, the The bandwidth of the signal data of two interfaces is 1.5M × 0.6=0.9Mbps, and first processing module is again from the signal data of second interface In determine 0.1Mbps as the part waited in uplink Combined Treatment data, in addition 0.8Mbps by decoding process for obtaining Bandwidth to the signal data of third interface, the signal data of third interface is 0.8M × 0.5=0.4Mbps, therefore first is handled What the up-link wireless signal data completion of at least one RRU of the module to receiving was handled waits in uplink Combined Treatment data The signal data of first interface is 0.5Mbps, and the signal data of second interface is 0.1Mbps, and the signal data of third interface is 0.4Mbps waits for that the bandwidth of uplink Combined Treatment data is 1Mbps.It should be noted that above-mentioned be merely illustrative, the present invention is real It is without being limited thereto to apply example.

In another embodiment of the invention, when the mixing between baseband processing unit 101 and base band associated units 102 connects The Bandwidth-Constrained of mouth, cannot be satisfied baseband processing unit 101 to before the up-link wireless signal data that at least one RRU is received Set the transmission of the data of the first interface obtained when processing, that is, between baseband processing unit 101 and base band associated units 102 The transmission bandwidth of hybrid interface is below or equal to the data bandwidth of first interface, and the first determining module is specifically used for, and acquisition is worked as Before the Combined Treatment scheme namely the corresponding multiple websites or more of band processing system of the up-link wireless signal data that receive The Combined Treatment scheme of a cell, according to ratio and difference of the signal data of distinct interface in waiting for uplink Combined Treatment data Combined Treatment scheme performance benefits correspondence and the Combined Treatment side of up-link wireless signal data that is currently received Case determines ratio of the signal data of distinct interface in waiting for uplink Combined Treatment data.For example, Combined Treatment scheme can be The maximum merging treatment scheme of reception antenna output signal-to-noise ratio, referred to as maximum ratio merge（maximum ratio Combining, MRC）Scheme can also be the reception antenna output maximum merging treatment scheme of signal interference ratio, referred to as interference suppression System merges（Interference rejection combining, IRC）Scheme can also be Interference Cancellation （Interference cancellation, IC）Merging treatment scheme, it should be noted that be merely illustrative here, join Closing processing scheme can also have other schemes, the embodiment of the present invention to be not limited to this.

For example, ratio and different Combined Treatment side of the signal data of distinct interface in waiting for uplink Combined Treatment data The correspondence of the performance benefits of case is as shown in the table：

It should be noted that ratio and different connection of the signal data of distinct interface in waiting for uplink Combined Treatment data The correspondence for closing the performance benefits of processing scheme can be estimated by the first determining module according to corresponding model, can also It is obtained previously according to multiple test data, the embodiment of the present invention is without being limited thereto.

First determining module, the Combined Treatment scheme for getting the up-link wireless signal data being currently received are MRC, root According to above-mentioned correspondence, determines and wait for that the ratio in uplink Combined Treatment data shared by the signal data of first interface is 70%, second Ratio shared by the signal data of interface is 10%, and the ratio shared by the signal data of third interface is 20%, at this point, MRC performances Income is optimal；If the first determining module, the Combined Treatment scheme for getting the up-link wireless signal data being currently received is IRC, according to above-mentioned correspondence, determination waits for that the ratio in uplink Combined Treatment data shared by the signal data of first interface is 60%, the ratio shared by the signal data of second interface is 20%, and the ratio shared by the signal data of third interface is 20%, at this point, IRC performance benefits are optimal；And so on, it repeats no more.It should be noted that above-mentioned only illustrate, the embodiment of the present invention is not It is limited to this.The signal data of first processing module, each interface determined according to the first determining module is waiting for uplink Combined Treatment number Ratio in from the up-link wireless signal data completion that at least one RRU is received to currently handling to obtain from waiting for uplink joint Data are managed, reference can be made to previous embodiment, details are not described herein.

In another embodiment of the present invention, band processing system is used to handle the upper layer protocol data of downlink.Base band Associated units 102 can be handled the upper layer protocol data of received downlink at least through the upper-layer protocol of down direction Downlink Combined Treatment to downlink Combined Treatment data, certain base band associated units 102 can further include coded treatment And modulation treatment.

The downlink Combined Treatment number transmitted on hybrid interface between baseband processing unit 101 and base band associated units 102 According to the signal data for including at least one interface, interface here can be aforementioned 4th interface, the 5th interface, the 6th interface, Or other the more interfaces marked off between different disposal, for example, downlink Combined Treatment data include the 4th connecing The signal data of the signal data and the 6th interface of mouth, in another example, the letter of the 4th interface is only included in downlink Combined Treatment data Number, it should be noted that only illustrate here, the embodiment of the present invention is without being limited thereto.

Baseband processing unit 101, if the downlink Combined Treatment data received from base band associated units 102 include The data of four interfaces walk processing of the data of the 4th interface after the processing of radio frames framing and the processing of radio frames framing Suddenly obtaining can be to the wireless signal data of the RRU downlinks sent；Alternatively,

It, will if the downlink Combined Treatment data received from base band associated units 102 include the data of the 5th interface The data of 5th interface pass through modulation treatment, and the processing step after the processing of radio frames framing and the processing of radio frames framing obtains It can be to the wireless signal data of the RRU downlinks sent；Alternatively,

It, will if the downlink Combined Treatment data received from base band associated units 102 include the data of the 6th interface The data of 6th interface are by coded treatment, modulation treatment, after the processing of radio frames framing and the processing of radio frames framing Processing step obtain can be to the wireless signal data of the RRU downlinks sent.

It should be noted that above-mentioned only illustrate, if downlink Combined Treatment data include the base band letter of down direction The signal data of other more interfaces is marked off in number processing between different processing step, then baseband processing unit 101 can To complete subsequent processing steps corresponding with the interface to the signal data of these interfaces, details are not described herein.

The upper layer protocol data of the downlink received from base station control node is being sequentially completed above-mentioned base band signal process When processing step, the bandwidth of the data obtained after each step processing successively increases, for example, the upper layer protocol data of downlink passes through The bandwidth of the data obtained after the upper-layer protocol processing of down direction is less than the bandwidth of the data obtained after coded treatment, under The bandwidth for the data that capable upper layer protocol data obtains after coded treatment is less than the obtained data after modulation treatment Bandwidth, and so on.That is, for identical input, i.e., from the upper layer of the downlink received from base station control node Protocol data is handled by band processing system, and the band of the data of the 4th obtained interface is wider than the data of the 5th interface Bandwidth, the band of the data of the 5th interface are wider than the bandwidth of the data of the 6th interface.

On the other hand similar with up direction, the upper layer protocol data of the downlink received from base station control node according to When the above-mentioned processing step of secondary completion, the data that are obtained after the processing of each step with other websites or the upper layer of the downlink of cell When the data that protocol data obtains after corresponding steps are handled carry out downlink Combined Treatment according to different Combined Treatment schemes, Performance benefits also differ.

In order to ensure that the downlink upper layer protocol data currently received from base station control node passes through base band associated units 102 Baseband processing unit 101 can be all sent to after processing, base band associated units 102 can be specifically used for the biography according to hybrid interface Upper-layer protocol of the defeated bandwidth by the downlink upper layer protocol data received from base station control node at least through down direction is handled After obtain downlink Combined Treatment data, and downlink Combined Treatment data are transmitted to baseband processing unit 101 by hybrid interface.

Base band associated units 102 may include the second determining module and Second processing module, wherein

Second determining module, the transmission bandwidth for being specifically used for the hybrid interface between basis and baseband processing unit 101 are true Ratio of the signal data of fixed each interface in downlink Combined Treatment data, interface here can be aforementioned 4th interface, Either the 5th interface or the 6th interface can also be that base band associated units 102 mark off more between different processing Other interfaces.

Second processing module, the signal data for being specifically used for each interface determined according to the second determining module are combined in downlink Ratio in processing data handles the downlink upper layer protocol data completion received from base station control node to obtain downlink joint Handle data.

In another embodiment of the present invention, the second determining module is specifically used for, when baseband processing unit 101 and base band The bandwidth of hybrid interface between associated units 102 is sufficient, meets base band associated units 102 to being received from base station control node Downlink upper layer protocol data downlink Combined Treatment when obtain the data of the 4th interface transmission when, that is, baseband processing unit When the transmission bandwidth of hybrid interface between 101 and base band associated units 102 is higher than the data bandwidth of the 4th interface, downlink is determined It is the data of the 4th interface in Combined Treatment data, that is to say, that the signal data of the 4th interface is in downlink Combined Treatment number Ratio in is 100%.

In another embodiment of the present invention, the second determining module is specifically used for, when baseband processing unit 101 and base band The Bandwidth-Constrained of hybrid interface between associated units 102 cannot be satisfied baseband processing unit 101 to being connect from base station control node The transmission of the data of the 4th interface obtained when the downlink upper layer protocol data downlink Combined Treatment received, that is, Base-Band Processing list The transmission bandwidth of hybrid interface between member 101 and base band associated units 102 is below or equal to the data bandwidth of the 4th interface, In order to from ensureing the downlink upper layer protocol data currently received from base station control node through 102 downlink joint of base band associated units It is transmitted to baseband processing unit 101 after reason, can determine that the signal data of distinct interface is combined in downlink according to preset rules Handle the ratio in data.For example, the signal data of the 4th interface defined in preset rules is in downlink Combined Treatment data Ratio is 50%, and the ratio of the signal data of the 5th interface in downlink Combined Treatment data is 10%, the signal number of the 6th interface It is 40% according to the ratio in downlink Combined Treatment data；Second processing module is for the downlink that is received from base station control node The signal data of the 6th interface is obtained after the upper-layer protocol processing of upper layer protocol data completion down direction, according to the 5th interface The bandwidth of the signal data of ratio and fiveth interface estimated of the signal data in downlink Combined Treatment data connects from the 6th Determine that a part completes coded treatment and obtains the signal data of the 5th interface in the signal data of mouth, according to the letter of the 4th interface The bandwidth of the signal data of ratio and fourth interface estimated of the number in downlink Combined Treatment data is from the 5th interface Signal data in determine a part complete modulation treatment obtain the signal data of the 4th interface.By base band associated units After 102 processing, the signal data accounting 50% of the 4th interface, the signal data accounting of the 5th interface in downlink Combined Treatment data 10%, the signal data accounting 40% of the 6th interface.

For the above-mentioned processing procedure of clearer explanation, it is assumed that Second processing module will be received from base station control node The bandwidth that the 6th interface data is obtained after the upper-layer protocol processing of downlink upper layer protocol data completion down direction is 0.6M bits It is per second（Bps, bit per second）, the transmission of the hybrid interface between baseband processing unit 101 and base band associated units 102 Bandwidth is 1.5Mbps, and the signal data of the 5th interface is 0.6 times relative to the bandwidth of the signal data with the 4th interface, the 6th The bandwidth of the signal data of interface relative to the signal data of the 5th interface bandwidth be 0.5 times, so as to estimate by from The downlink upper layer protocol data that base station control node receives be fully completed down direction upper-layer protocol processing, coded treatment with And the bandwidth of the data of the 4th interface obtained after modulation treatment is 2Mbps, the second determining module is determined according in preset rules Ratio of the signal data of 4th interface in downlink Combined Treatment data is 50%, and the signal data of the 5th interface joins in downlink It is 10% to close the ratio in processing data, and the ratio of the signal data of the 6th interface in downlink Combined Treatment data is 40%, the Two processing modules from 0.4Mbps is marked off in the signal data of the 6th interface as the part in downlink Combined Treatment data, In addition 0.2Mbps is used to obtain the signal data of the 5th interface by coded treatment, at this point, the band of the signal data of the 5th interface Width is 0.2M/0.5=0.4Mbps, and Second processing module is again under determining that 0.1Mbps is used as in the signal data of the 5th interface A part in row Combined Treatment data, in addition 0.3Mbps be used to by modulation treatment obtain the signal data of the 4th interface, the The bandwidth of the signal data of four interfaces is 0.3M/0.6=0.5Mbps, therefore Second processing module from base station control node to receiving To the downlink Combined Treatment data that handle of downlink upper layer protocol data completion in the signal data of the 4th interface be The signal data of 0.5Mbps, the 5th interface are 0.1Mbps, and the signal data of the 6th interface is 0.4Mbps, downlink Combined Treatment The bandwidth of data is 1Mbps.It should be noted that above-mentioned numerical value is only convenient for example, the embodiment of the present invention is not limited to This.

In another embodiment of the invention, when the mixing between baseband processing unit 101 and base band associated units 102 connects Mouthful Bandwidth-Constrained, cannot be satisfied base band associated units 102 to the downlink upper layer protocol data that is received from base station control node The transmission of the data of the 4th interface obtained when downlink Combined Treatment, that is, baseband processing unit 101 and base band associated units 102 Between the transmission bandwidth of hybrid interface be below or equal to the data bandwidth of the 4th interface, the second determining module is specifically used for, The Combined Treatment scheme for obtaining the corresponding multiple websites of current band processing system or multiple cells, according to the letter of distinct interface It the correspondence of the performance benefits of ratio and different combination treatment method of the number in downlink Combined Treatment data and obtains The Combined Treatment scheme got determines ratio of the signal data of distinct interface in downlink Combined Treatment data.And up direction Similar, which is not described herein again.

It should be noted that ratio and different joint of the signal data of distinct interface in downlink Combined Treatment data The correspondence of the performance benefits of processing method can be estimated by the second determining module according to corresponding model, can also be pre- It is first obtained according to multiple test data, the embodiment of the present invention is without being limited thereto.

Second processing module, the signal data of each interface determined according to the second determining module is in downlink Combined Treatment data In ratio the downlink upper layer protocol data completion currently received from base station control node is handled to obtain downlink Combined Treatment Data, reference can be made to previous embodiment, details are not described herein.

When band processing system through the embodiment of the present invention is used for the base band signal process of up direction, due in distal end The preposition processing of up-link wireless signal data is completed close to RRU deployment baseband processing units so that be transferred to proximal end base band joint Multiple websites of unit or multiple cells wait for that uplink Combined Treatment data bandwidth reduces, and effectively reduce proximal device and distal end Data transfer bandwidth between equipment.For example, in a 20MHz bandwidth system, there are 3 sectors, each RRU to configure 4 antennas, The data transmission rate between the BBU of proximal end and the RRU of distal end will be up to 11.8Gbps in the prior art, and the present invention is used to implement The band processing system of example, due to completing preposition processing in baseband processing unit, for example, completing to go in baseband processing unit CP, FFT, frame decoding processing after, be then forwarded to base band associated units, then the base band of the baseband processing unit of distal end and proximal end combine Hybrid interface data bandwidth between unit can narrow down to 6.5Gbps, that is to say, that neomorph be used, than the prior art Transmit the bandwidth reduction needed for time-domain baseband digital signal about 45%.And due to baseband processing unit and base band associated units Between hybrid interface can transmit the data of multiple interfaces, can flexibly control multiple websites or multiple community associated processing Transmission bandwidth and performance benefits.The band processing system of the embodiment of the present invention can be used at the baseband signal of down direction Reason, effect is similar, repeats no more.

Fig. 3 is the structural schematic diagram for the band processing system that another embodiment of the present invention provides, as shown, at the base band Reason system may include base band associated units 302 and at least one baseband processing unit 301, and each baseband processing unit 301 is logical Mixing coffret is crossed to connect with base band associated units 302.

Baseband processing unit 301 can be disposed close to RRU in distal end and be connected at least one RRU, for example, Base-Band Processing Unit 301 is connected in distal end with multiple RRU of same website or same cell, and base band associated units 302 can be in close end Administration and at least one baseband processing unit 301 connect, the connection for handling signal data between multiple websites or multiple cells Conjunction is handled.Here distal end is the position of adjacent antennas, is distal end for computer room, and proximal end is usually then to be deployed in computer room In position.Wherein,

Baseband processing unit 301 includes first memory 3011 and first processor 3012, first memory 3011 and the One processor 3012 is connected, wherein batch processing code is stored in first memory 3011, first memory 3011 can wrap Include nonvolatile memory.First processor 3012 can be a CPU or ASIC, or be arranged to implement this One or more integrated circuits of inventive embodiments.First processor 3012 is for calling the journey stored in first memory 3011 Sequence code, for executing：

The up-link wireless signal data that at least one RRU being connected with the baseband processing unit is received is completed preposition It obtains waiting for uplink Combined Treatment data after processing, and will wait for that uplink Combined Treatment data are transmitted to base band joint by hybrid interface Unit 302, wherein preposition processing includes at least reason step and the processing of radio frames frame decoding everywhere in before radio frames frame decoding is handled；

Base band associated units 302 include second memory 3021 and second processor 3022, second memory 3021 and the Two processors 3022 are connected, wherein batch processing code are stored in second memory 3021, second memory 3021 can wrap Include nonvolatile memory.Second processor 3022 can be a CPU or ASIC, or be arranged to implement this One or more integrated circuits of inventive embodiments.Second processor 3022 is for calling the journey stored in second memory 3021 Sequence code, for executing：

Received from least one baseband processing unit 301 after uplink Combined Treatment data complete uplink Combined Treatment after Obtain the upper layer protocol data that can occur to base station control node, wherein uplink Combined Treatment includes at least the upper of up direction Layer protocol processing.

Each component part, can be used to implement and correspond to group in previous embodiment in the band processing system of the embodiment of the present invention At the function of part, implementing principle and technical effect are similar, may refer to the related record in previous embodiment, herein no longer It repeats.

Fig. 4 is the structural schematic diagram for the band processing system that another embodiment of the present invention provides, as shown, at the base band Reason system may include base band associated units 402 and at least one baseband processing unit 401, and each baseband processing unit 401 is logical Mixing coffret is crossed to connect with base band associated units 402.

Baseband processing unit 401 can be disposed close to RRU in distal end and be connected at least one RRU, for example, Base-Band Processing Unit 401 is connected in distal end with multiple RRU of same website or same cell, and base band associated units 402 can be in close end Administration and at least one baseband processing unit 401 connect, the connection for handling signal data between multiple websites or multiple cells Conjunction is handled.Here distal end is the position of adjacent antennas, is distal end for computer room, and proximal end is usually then to be deployed in computer room In position.Wherein,

Baseband processing unit 401 includes first memory 4011 and first processor 4012, first memory 4011 and the One processor 4012 is connected, wherein batch processing code is stored in first memory 4011, first memory 4011 can wrap Include nonvolatile memory.First processor 4012 can be a CPU or ASIC, or be arranged to implement this One or more integrated circuits of inventive embodiments.First processor 4012 is for calling the journey stored in first memory 4011 Sequence code, for executing：

Being obtained after completing postpositive disposal from the downlink Combined Treatment data that base band associated units 402 receive can be at least The downstream wireless signals data that one RRU is sent, wherein the postpositive disposal includes at least after the processing of radio frames framing Everywhere in reason step and radio frames framing processing.

Base band associated units 402 include second memory 4021 and second processor 4022, second memory 4021 and the Two processors 4022 are connected, wherein batch processing code are stored in second memory 4021, second memory 4021 can wrap Include nonvolatile memory.Second processor 4022 can be a CPU or ASIC, or be arranged to implement this One or more integrated circuits of inventive embodiments.Second processor 4022 is for calling the journey stored in second memory 4021 Sequence code, for executing：

Downlink is obtained after the upper layer protocol data of the downlink received from base station control node is completed downlink Combined Treatment Combined Treatment data, and the downlink Combined Treatment data are transmitted to baseband processing unit 401 by hybrid interface, wherein The upper-layer protocol that the downlink Combined Treatment includes at least down direction is handled.

Fig. 5 is the flow chart for the method for processing baseband signal that another embodiment of the present invention provides, and is used for band processing system The wireless signal data for handling uplink, as shown, this method may include：

Baseband processing unit in step 501, band processing system will be connected with the baseband processing unit at least one The up-link wireless signal data that a RRU is received obtains waiting for uplink Combined Treatment data after completing preposition processing, and will wait for uplink Combined Treatment data are transmitted to base band associated units by hybrid interface, are handled wherein preposition processing includes at least radio frames frame decoding Step and the processing of radio frames frame decoding are managed everywhere in before.

Base band associated units in step 502, band processing system will be received from least one baseband processing unit The upper layer protocol data that can occur to base station control node is obtained after uplink Combined Treatment data complete uplink Combined Treatment, In, uplink Combined Treatment is including at least upper-layer protocol processing.

Method for processing baseband signal provided in an embodiment of the present invention can be by the band processing system that is provided in Fig. 1 or Fig. 3 It executes, the description of Fig. 1 or embodiment illustrated in fig. 3 is can be found in about the detailed description of each step, details are not described herein.

Base band signal information processing method provided in an embodiment of the present invention is executed by band processing system, due in distal end The preposition processing of up-link wireless signal data is completed close to RRU deployment baseband processing units so that be transferred to proximal end base band joint Multiple websites of unit or multiple cells wait for that uplink Combined Treatment data bandwidth reduces, and effectively reduce proximal device and distal end Data transfer bandwidth between equipment, and since the hybrid interface between baseband processing unit and base band associated units can transmit The data of multiple interfaces can flexibly control multiple websites or the transmission bandwidth and performance benefits of multiple community associated processing.

Fig. 6 is the flow chart for the method for processing baseband signal that another embodiment of the present invention provides, and is used for band processing system The upper layer protocol data for handling downlink, as shown, this method may include：

Base band associated units in step 601, band processing system are by the upper of the downlink received from base station control node Layer protocol data obtain downlink Combined Treatment data after completing downlink Combined Treatment, and downlink Combined Treatment data are passed through base band Hybrid interface between associated units and baseband processing unit is transmitted to baseband processing unit, wherein downlink Combined Treatment is at least Upper-layer protocol processing including down direction.

Baseband processing unit in step 602, band processing system combines the downlink received from base band associated units Processing data obtain the downstream wireless signals data that can be sent at least one RRU after completing postpositive disposal, wherein postpositive disposal Reason step and the processing of radio frames framing everywhere in after being handled including at least radio frames framing.

Method for processing baseband signal provided in an embodiment of the present invention can be by the band processing system that is provided in Fig. 1 or Fig. 4 It executes, the description of Fig. 1 or embodiment illustrated in fig. 4 is can be found in about the detailed description of each step, details are not described herein.

Base band signal information processing method provided in an embodiment of the present invention is executed by band processing system, due in proximal end Base band associated units complete downlink Combined Treatment, and distally the baseband processing unit close to RRU deployment completes postpositive disposal so that close The Combined Treatment data bandwidth of the multiple websites or multiple cells that are transmitted between end equipment and remote equipment reduces, and effectively reduces Data transfer bandwidth between proximal device and remote equipment, and due to mixed between baseband processing unit and base band associated units Splice grafting mouth can transmit the data of multiple interfaces, can flexibly control multiple websites or the transmission bandwidth of multiple community associated processing And performance benefits.

Fig. 7 is the structural schematic diagram for the base station that another embodiment of the present invention provides, as shown, the base station may include：

At least one RRU701 and band processing system 702, wherein each Base-Band Processing in band processing system 702 Unit is connected in distal end at least one RRU701, and the base band associated units in band processing system 702 are disposed in proximal end.

The RRU701 of each baseband processing unit connection can be same website or the RRU of same cell.

Band processing system 702 can be Fig. 1 either Fig. 3 or band processing system shown in Fig. 4, due in aforementioned reality It applies in example, band processing system is illustrated, details are not described herein.

Base station provided in an embodiment of the present invention close to same website or the RRU of same cell in distal end due to disposing base band Processing unit completes the preposition processing of up-link wireless signal data or the postpositive disposal of downlink data so that is transferred to proximal end base The Combined Treatment data bandwidth of multiple websites or multiple cells with associated units reduces, and effectively reduces proximal device and distal end Data transfer bandwidth between equipment, and since the hybrid interface between baseband processing unit and base band associated units can transmit The data of multiple interfaces can flexibly control multiple websites or the transmission bandwidth and performance benefits of multiple community associated processing.

Through the above description of the embodiments, it is apparent to those skilled in the art that the present invention can be with It is realized with hardware realization or firmware realization or combination thereof mode.It when implemented in software, can be by above-mentioned function Storage in computer-readable medium or as on computer-readable medium one or more instructions or code be transmitted.Meter Calculation machine readable medium includes computer storage media and communication media, and wherein communication media includes convenient for from a place to another Any medium of a place transmission computer program.Storage medium can be any usable medium that computer can access.With For this but it is not limited to：Computer-readable medium may include RAM, ROM, EEPROM, CD-ROM or other optical disc storages, disk Storage medium or other magnetic storage apparatus or can be used in carry or store with instruction or data structure form expectation Program code and can be by any other medium of computer access.In addition.Any connection appropriate can become computer Readable medium.For example, if software is using coaxial cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line（DSL）Or such as The wireless technology of infrared ray, radio and microwave etc is transmitted from website, server or other remote sources, then coaxial electrical The wireless technology of cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave etc is included in affiliated medium In fixing.As used in the present invention, disk（Disk）And dish（disc）Including compressing optical disc（CD）, laser disc, optical disc, number it is logical Use optical disc（DVD）, floppy disk and Blu-ray Disc, the usually magnetic replicate data of which disk, and dish is then with laser come optical duplication Data.Above combination above should also be as being included within the protection domain of computer-readable medium.

In short, the foregoing is merely the preferred embodiment of technical solution of the present invention, it is not intended to limit the present invention's Protection domain.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in Within protection scope of the present invention.

Claims

1. a kind of band processing system, which is characterized in that the band processing system includes base band associated units and at least one Baseband processing unit, wherein

Each baseband processing unit is connected in distal end at least one remote radio unit (RRU) RRU,

The base band associated units are located at proximal end, are connect at least one baseband processing unit by hybrid interface；

When the wireless signal data of the band processing system processing uplink,

The baseband processing unit, the up-link wireless signal data for will be received from least one RRU are completed preposition It obtains waiting for uplink Combined Treatment data after processing, and waits for that uplink Combined Treatment data are transmitted to by the hybrid interface by described The base band associated units, wherein it is described it is preposition processing include at least radio frames frame decoding processing before everywhere in reason step and The processing of radio frames frame decoding, the baseband processing unit include the first determining module and first processing module：

First determining module, for being determined the signal data of distinct interface in institute according to the transmission bandwidth of the hybrid interface The ratio waited in uplink Combined Treatment data is stated, the distinct interface includes at least following one kind：First interface, second interface and Third interface,

The signal data of the first processing module, each interface for being determined according to first determining module is waited for described Ratio in row Combined Treatment data completes preposition processing to the up-link wireless signal data received from least one RRU It obtains waiting for uplink Combined Treatment data,

The distinct interface includes at least following one kind：First interface, second interface and third interface, wherein described first connects Mouth is the interface between the processing of radio frames frame decoding and demodulation process, and the second interface is between demodulation process and decoding process Interface, the third interface are the interface between decoding process and upper-layer protocol processing；

The base band associated units, for waiting for from uplink joint described in being received from least one baseband processing unit Reason data obtain the upper layer protocol data that can be sent to base station control node after completing uplink Combined Treatment, wherein the uplink The upper-layer protocol that Combined Treatment includes at least up direction is handled；Alternatively,

The base band associated units, for will from the upper layer protocol data for the downlink that the base station control node receives completion under Downlink Combined Treatment data are obtained after row Combined Treatment, and the downlink Combined Treatment data are transmitted by the hybrid interface To baseband processing unit, wherein the upper-layer protocol that the downlink Combined Treatment includes at least down direction is handled, the base band connection It closes unit and includes the second determining module and Second processing module,

Second determining module, for being determined the signal data of distinct interface in institute according to the transmission bandwidth of the hybrid interface The ratio in downlink Combined Treatment data is stated, the distinct interface includes at least following one kind：4th interface, the 5th interface and Six interfaces,

The Second processing module, the signal data of each interface for being determined according to second determining module is in the downlink Under ratio in Combined Treatment data completes the upper layer protocol data of the downlink received from the base station control node Distinct interface described in the downlink Combined Treatment data is obtained after row Combined Treatment includes at least following one kind：4th interface, Five interfaces and the 6th interface, the 4th interface are the interface between the processing of radio frames framing and modulation treatment, and the described 5th connects Interface of the mouth between modulation treatment and coded treatment, the 6th interface are connecing between coded treatment and upper-layer protocol processing Mouthful；

The baseband processing unit, the downlink Combined Treatment data for will be received from the base band associated units are completed The downstream wireless signals data that can be sent at least one RRU are obtained after postpositive disposal, wherein the postpositive disposal is at least Reason step and the processing of radio frames framing everywhere in after being handled including radio frames framing.

2. band processing system according to claim 1, which is characterized in that described to wait for that uplink Combined Treatment data are at least wrapped Include a kind of signal data of following interface：First interface, second interface and third interface.

3. band processing system according to claim 1, which is characterized in that first determining module is specifically used for,

If the transmission bandwidth of the hybrid interface is higher than the data bandwidth of first interface, determine that the signal data of first interface exists The ratio waited in uplink Combined Treatment data is 100%；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the first interface, according to preset rules Determine the signal data of distinct interface it is described wait for uplink Combined Treatment data in ratio；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the first interface, obtain it is described to The Combined Treatment scheme for the up-link wireless signal data that a few RRU is received, according to the signal data of distinct interface described Wait for the performance benefits of the ratio and different Combined Treatment schemes in uplink Combined Treatment data correspondence and it is described to The Combined Treatment scheme for the up-link wireless signal data that a few RRU is received determines that the signal data of distinct interface is waited for described Ratio in uplink Combined Treatment data；

Wherein,

The data bandwidth of the first interface is the nothing of the up-link wireless signal data received from least one RRU according to Line signal data completes radio frames frame decodings treated the bandwidth that data determine.

4. band processing system according to any one of claims 1 to 3, which is characterized in that the base band associated units, tool Body is used for:

If described wait for that uplink Combined Treatment data include the data of first interface, the data of the first interface are combined The upper-layer protocol of demodulation process, combined decoding processing and up direction handles to obtain the upper layer that can be sent to base station control node Protocol data；Alternatively,

If described wait for that uplink Combined Treatment data include the data of second interface, the data of the second interface are combined The upper-layer protocol of decoding process and up direction handles to obtain the upper layer protocol data that can be sent to base station control node；Or Person,

If described wait for that uplink Combined Treatment data include the data of third interface, the data of the third interface are passed through into uplink The upper layer protocol data that can be sent to base station control node is obtained after the upper-layer protocol processing in direction.

5. band processing system according to claim 1, which is characterized in that the downlink Combined Treatment data include at least A kind of signal data of following interface：4th interface, the 5th interface and the 6th interface.

6. band processing system according to claim 5, which is characterized in that second determining module is specifically used for,

If the transmission bandwidth of the hybrid interface is higher than the data bandwidth of the 4th interface, determine that the signal data of the 4th interface exists Ratio in the downlink Combined Treatment data is 100%；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the 4th interface, according to preset rules Determine ratio of the signal data of distinct interface in the downlink Combined Treatment data；Alternatively,

If the transmission bandwidth of the hybrid interface is below or equal to the data bandwidth of the 4th interface, obtain described from institute The Combined Treatment scheme for stating the upper layer protocol data for the downlink that base station control node receives, according to the signal data of distinct interface The correspondence of the performance benefits of ratio and different Combined Treatment schemes in the downlink Combined Treatment data and described The Combined Treatment scheme of the upper layer protocol data of the downlink received from the base station control node determines the signal of distinct interface Ratio of the data in the downlink Combined Treatment data；

Wherein,

The data bandwidth of 4th interface is the upper-layer protocol of the downlink received from the base station control node according to Data complete the bandwidth of the data determination after modulation treatment.

7. according to any one of them band processing system of claim 1,5 or 6, which is characterized in that the Base-Band Processing list Member is specifically used for:

If the downlink Combined Treatment data include the data of the 4th interface, the data of the 4th interface are subjected to nothing Reason step obtains under being sent at least one RRU everywhere in after the processing of line frame framing and the processing of radio frames framing Capable wireless signal data；Alternatively,

If the downlink Combined Treatment data include the data of the 5th interface, the data of the 5th interface are adjusted Obtain can be at least one described for reason step everywhere in after system processing, the processing of radio frames framing and the processing of radio frames framing The wireless signal data for the downlink that RRU is sent；Alternatively,

If the downlink Combined Treatment data include the data of the 6th interface, the data of the 6th interface are carried out at coding Being obtained after reason, modulation treatment, the processing of radio frames framing and the processing of radio frames framing can be at least one RRU transmission The wireless signal data of downlink.

8. band processing system according to any one of claims 1 to 3, which is characterized in that the base station control node is Base station controller, alternatively, core net.

9. a kind of method of base band signal process, which is characterized in that the method includes：

When band processing system handles the wireless signal data of uplink,

Baseband processing unit in the band processing system determines the signal of distinct interface according to the transmission bandwidth of hybrid interface Ratio of the data in waiting for uplink Combined Treatment data is waited for described at uplink joint according to the signal data of the distinct interface The up-link wireless signal data that ratio in reason data receives at least one RRU being connected with the baseband processing unit is complete At obtained after preposition processing it is described wait for uplink Combined Treatment data, and wait for that uplink Combined Treatment data pass through hybrid interface by described Be transmitted to base band associated units, wherein it is described it is preposition processing include at least radio frames frame decoding processing before everywhere in reason step with And the processing of radio frames frame decoding, the distinct interface include at least following one kind：First interface, second interface and third interface, institute It is the interface between the processing of radio frames frame decoding and demodulation process to state first interface, and the second interface is at demodulation process and decoding Interface between reason, the third interface are the interface between decoding process and upper-layer protocol processing；

Described in base band associated units in the band processing system will be received from least one baseband processing unit The upper layer protocol data that can occur to base station control node is obtained after uplink Combined Treatment data complete uplink Combined Treatment, In, the upper-layer protocol that the uplink Combined Treatment includes at least up direction is handled；Alternatively,

Base band associated units in the band processing system determine distinct interface according to the transmission bandwidth of the hybrid interface Ratio of the signal data in downlink Combined Treatment data, according to the signal data of the distinct interface at the downlink joint The upper layer protocol data of the downlink received from the base station control node is completed downlink Combined Treatment by the ratio managed in data After obtain the downlink Combined Treatment data, and the downlink Combined Treatment data are transmitted to base band by the hybrid interface Processing unit, wherein the upper-layer protocol that the downlink Combined Treatment includes at least down direction is handled, wherein the difference connects Mouth includes at least following one kind：4th interface, the 5th interface and the 6th interface, the 4th interface be radio frames framing processing and Interface between modulation treatment, interface of the 5th interface between modulation treatment and coded treatment, the 6th interface are Interface between coded treatment and upper-layer protocol processing；

Baseband processing unit in the band processing system combines the downlink received from the base band associated units Processing data obtain the downstream wireless signals data that can be sent at least one RRU after completing postpositive disposal, wherein described Postpositive disposal includes at least reason step and the processing of radio frames framing everywhere in after radio frames framing is handled.

10. according to the method described in claim 9, it is characterized in that, the uplink Combined Treatment data are included at least with next The signal data of kind interface：First interface, second interface and third interface.

11. according to the method described in claim 9, it is characterized in that, described determine according to the transmission bandwidth of the hybrid interface The signal data of distinct interface it is described wait for uplink Combined Treatment data in ratio, including：

Wherein,

12. according to claim 9 to 11 any one of them method, which is characterized in that the base band in the band processing system Associated units wait for that uplink Combined Treatment data complete uplink connection described in being received from least one baseband processing unit The upper layer protocol data that can occur to base station control node is obtained after conjunction processing, including：

13. according to the method described in claim 9, it is characterized in that, the downlink Combined Treatment data are included at least with next The signal data of kind interface：4th interface, the 5th interface and the 6th interface.

14. according to the method described in claim 9, it is characterized in that, described determine according to the transmission bandwidth of the hybrid interface Ratio of the signal data of distinct interface in the downlink Combined Treatment data, including：

Wherein,

15. according to any one of them method of claim 9,13 or 14, which is characterized in that in the band processing system Baseband processing unit obtains after the downlink Combined Treatment data received from the base band associated units are completed postpositive disposal To the downstream wireless signals data that can be sent at least one RRU, including：

16. according to claim 9 to 11 any one of them method, which is characterized in that the base station control node is controlled for base station Device processed, alternatively, core net.

17. a kind of base station, which is characterized in that the base station includes：

At least one remote radio unit (RRU) RRU, such as claim 1 to 8 any one of them band processing system, wherein described Each baseband processing unit in band processing system is connected in distal end at least one RRU, in band processing system Base band associated units are disposed in proximal end.

18. base station according to claim 17, which is characterized in that the RRU of each baseband processing unit connection is same station The RRU of point or same cell.