CN102136862A - Base station device, communication system and communication method - Google Patents
Base station device, communication system and communication method Download PDFInfo
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- CN102136862A CN102136862A CN2011100326657A CN201110032665A CN102136862A CN 102136862 A CN102136862 A CN 102136862A CN 2011100326657 A CN2011100326657 A CN 2011100326657A CN 201110032665 A CN201110032665 A CN 201110032665A CN 102136862 A CN102136862 A CN 102136862A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
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Abstract
The embodiment of the invention provides a base station device, a communication system and a communication method. The base station device comprises a first antenna, a second antenna, a first intermediate radio frequency processing unit, a second intermediate radio frequency processing unit and a baseband processing and combining unit, wherein the first antenna and the second antenna are used for respectively receiving radio frequency signals sent by the same terminal; the first intermediate radio frequency processing unit is used for processing the radio frequency signals received by the first antenna to generate first baseband signals; the second intermediate radio frequency processing unit is used for processing the radio frequency signals received by the second antenna to generate second baseband signals; and the baseband processing and combining unit is used for performing baseband processing and combination processing on the basis of the first baseband signals and the second baseband signals. The embodiment of the invention provides a hybrid networking solution, and two system antennas can be fully utilized to receive a duplex mode signal of the same terminal. Through baseband signal combination processing, signal combination gain can be obtained, and the overall performance is enhanced.
Description
Technical field
The embodiment of the invention relates to moving communicating field, and more specifically, relates to base station equipment, communication system and communication means.
Background technology
Along with the development of mobile communication technology, produced the scheme of mixed networking, wherein the hardware resource of different system is combined.Mixed networking can promote the efficient and/or the performance of independent networking.
Provide comprehensive use in pairs and base station, portable terminal and the method for non-paired frequency spectrum, described base station is FDD (Frequency Division Duplexing in pairs; Frequency Division Duplexing (FDD)) frequency spectrum and non-paired TDD (Time Division Duplexing; Time division duplex) frequency spectrum and the corresponding processing combination of resources integrated dispatch that gets up, make the high-speed mobile user use paired frequency spectrum to be the master, the low speed mobile subscriber uses non-paired frequency spectrum to be the master, in the time can't finishing business demand separately with non-paired frequency spectrum in pairs, comprehensively for providing professional with non-paired frequency spectrum in pairs.
But this scheme has just solved the hardware resource problem of effectively utilizing equipment, promptly handles physical resource by different configuration mode shared baseband, is embodied in the cost reduction aspect that dispatching efficiency promotes and the shared baseband unit is brought.In this scheme, the just simple superposition and the scheduling of the hardware of TDD system and FDD system, two kinds of systems still still carry out signal processing independently, for certain portable terminal, have only a system (TDD system or FDD system) to handle the signal of this portable terminal, the castering action of this scheme aspect systematic function is not ideal enough.
Summary of the invention
The embodiment of the invention provides a kind of base station equipment, communication system and communication means.
The embodiment of the invention provides a kind of base station equipment, comprising: first antenna and second antenna are used for receiving respectively the radiofrequency signal from same terminal emission; RF processing unit in first is used to handle the radiofrequency signal that is received by first antenna, to generate first baseband signal; RF processing unit in second is used to handle the radiofrequency signal that is received by second antenna, to generate second baseband signal; Base-Band Processing and merge cells are used for carrying out Base-Band Processing and merge handling based on first baseband signal and second baseband signal.
The embodiment of the invention also provides a kind of communication means, comprising: receive respectively from the radiofrequency signal of same terminal emission by first antenna and second antenna; The radiofrequency signal that processing is received by first antenna is to generate first baseband signal; The radiofrequency signal that processing is received by second antenna is to generate second baseband signal; Carry out Base-Band Processing and merge handling based on first baseband signal and second baseband signal.
The embodiment of the invention also provides a kind of communication system, comprises aforementioned base station system.
The scheme that the embodiment of the invention provides, can make full use of two kinds of hardware resources such as system antenna, receive the signal of same terminal, and by baseband signal Combined Treatment (promptly merging), picked up signal merges gain, further promoted the overall performance of system, for example the coverage of the capacity of network and network.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic block diagram according to the base station equipment of the embodiment of the invention.
Fig. 2 A-2C illustrates according to the Base-Band Processing of the embodiment of the invention and the schematic block diagram of merge cells.
Fig. 3 A-3B is the schematic diagram that TDD/FDD dual system base station equipment is shown.
Fig. 4 shows the schematic flow diagram according to the communication means of the embodiment of the invention.
Fig. 5 A-5C shows the schematic flow diagram according to the merging baseband signal of the embodiment of the invention.
Fig. 6 shows the schematic flow diagram according to the communication means of the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Superpose simply in the above-mentioned prior art and dispatch the hardware of two kinds of systems, and FDD system and TDD system signal processing separately are still separate, the performance of every kind of system is owing to mixed networking gets a promotion.The embodiment of the invention can make full use of the hardware resource of two kinds of systems, thereby promote overall performance when the signal of handling from a kind of dual-mode of same terminal.
Fig. 1 is the schematic block diagram that illustrates according to the base station equipment 100 of the embodiment of the invention.Base station equipment 100 adopts mixed networking, can support at least two kinds of dual-modes (for example, FDD system and TDD system) simultaneously.Though only show two kinds of dual-modes among Fig. 1, the embodiment of the invention also can be generalized to the situation of more dual-mode mixed networking similarly, and such popularization does not break away from the scope of the embodiment of the invention.
As shown in Figure 1, base station equipment 100 can comprise in first antenna 110, second antenna 120, first RF processing unit 140 and Base-Band Processing and merge cells 150 in the RF processing unit 130, second.
Fig. 1 also shows the terminal 50 that is arranged in the sub-district that base station equipment 100 supported, terminal 50 adopts one of dual-mode that base station equipments 100 can support emitting radio frequency signal.Be without loss of generality, suppose the terminal 50 emissions first dual-mode radiofrequency signal, then first antenna 110 can receive from the first dual-mode radiofrequency signal of terminal 50 emissions.According to embodiments of the invention, second antenna 120 also receives from the radiofrequency signal (first dual-mode) of same terminal 50 emissions.The first dual-mode signal of terminal 50 may arrive the antenna 110 and 120 of two kinds of dual-modes through different propagation paths respectively.
RF processing unit 130 is connected to first antenna 110 in first, and handles the radiofrequency signal that is received by first antenna 110, to generate the first baseband signal S1.RF processing unit 140 is connected to second antenna 120 in second, and handles the radiofrequency signal that is received by second antenna 1200, to generate the second baseband signal S2.In first in the RF processing unit 130 and second RF processing unit 140 respectively baseband signal S1 and S2 are sent to Base-Band Processing and merge cells 150.
Here, middle RF processing unit 130 and 140 can become the mode that intermediate frequency becomes base band again according to radio frequency, generates baseband signal from radiofrequency signal, and RF processing unit can comprise corresponding radio-frequency module and ifd module in this moment.In RF processing unit 130 and 140 also can directly radiofrequency signal be transformed to baseband signal according to the zero intermediate frequency mode, in this moment in the RF processing unit included ifd module be the zero intermediate frequency module.
Base-Band Processing and merge cells 150 carry out Base-Band Processing and merge handling based on the first baseband signal S1 and the second baseband signal S2.
Equally, if terminal 50 adopts second dual-mode, then first antenna 110 and second antenna 120 also all receive from the radiofrequency signal of this second dual-mode of terminal 50 emissions, and after radio frequency unit is handled in the radio frequency unit and second in first respectively, obtain the first baseband signal S1 and the second baseband signal S2, in Base-Band Processing and merge cells 150, carry out Base-Band Processing and merge handling based on two paths of signals S1 and S2.
Therefore, the base station equipment 100 of the embodiment of the invention can make full use of the hardware resources such as system antenna of two kinds of dual-modes, receives the signal of a kind of dual-mode of same terminal, and by baseband signal Combined Treatment (merging), picked up signal merges gain, has promoted overall performance.
Baseband signal S1 and S2 can be IQ (In-phase/Quadrate; Same-phase/90 degree phase shifts) signal.Base-Band Processing based on baseband signal can comprise demodulation process and decoding processing.Handling based on the merging of baseband signal can be to merge or decoding back merging (signal processing mode is distinguished to some extent, and system gain has size) before the IQ data merge, decipher, and finally obtains corresponding restoring signal.Fig. 2 A-2C is the schematic block diagram that illustrates according to the structure of Base-Band Processing and merge cells 150 in the different Merge Scenarioses of the embodiment of the invention.
Shown in Fig. 2 A, can in Base-Band Processing and merge cells 150, at first carry out the merging of IQ data to baseband signal S1 and S2 (IQ signal).The Base-Band Processing of Fig. 2 A and merge cells 150 can comprise merging module 1510, demodulation module 1515 and decoding module 1520.
Merge the 1510 couples first baseband signal S1 of module and the second baseband signal S2 and carry out the merging of IQ data to generate combined signal S3.Demodulation module 1515 is combined signal S3 and carries out demodulation with generating solution tonal signal S4.1520 couples of restituted signal S4 of decoding module decipher to generate restoring signal S5 then.
Shown in Fig. 2 B, also can carry out demodulation to the two-way baseband signal at first respectively, before decoding, merge processing.The Base-Band Processing of Fig. 2 B and merge cells 150 can comprise two demodulation modules 1525 and 1530, merge module 1535, decoding module 1540.
1525 couples first baseband signal S1 of demodulation module carry out demodulation generating the first restituted signal S6, and 1530 couples second baseband signal S2 of demodulation module carry out demodulation to generate the second restituted signal S7.Merging the 1535 couples first restituted signal S6 of module and the second restituted signal S7 merges to generate combined signal S8.Decoding module 1540 is combined signal S8 and deciphers to generate restoring signal S5 '.
Shown in Fig. 2 C, also can after decoding, merge processing.Represent with identical Reference numeral with same or analogous element among Fig. 2 B.The Base-Band Processing of Fig. 2 C and merge cells 150 can comprise two demodulation modules 1525 and 1530, two decoding modules 1545 and 1550, merge module 1560.
1525 couples first baseband signal S1 of demodulation module carry out demodulation generating the first restituted signal S6, and 1530 couples second baseband signal S2 of demodulation module carry out demodulation to generate the second restituted signal S7.
1545 couples first restituted signal S6 of decoding module decipher generating the first decoded signal S9, and 1550 couples second restituted signal S7 of decoding module decipher to generate the second decoded signal S10.Merge the 1560 couples first decoded signal S9 of module and the second decoded signal S10 then and merge processing " to generate restoring signal S5.
Describe the embodiment of the invention again in detail below by object lesson.Fig. 3 A-3B is the schematic diagram that TDD/FDD dual system base station equipment 20 is shown.Shown in Fig. 3 A and Fig. 3 B, base station equipment 2000 can be supported TDD and two kinds of dual-modes of FDD.
Base station equipment 20 comprises in first antenna 21, second antenna 22, first RF processing unit 24, Base-Band Processing and merge cells 25 in the RF processing unit 23, second.First antenna is that TDD antenna, second antenna are the FDD antenna in the present embodiment.Be similar to the base station equipment 100 of Fig. 1, on up direction, TDD antenna 21 and FDD antenna 22 receive the radiofrequency signal (for example, TDD or FDD radiofrequency signal) from same terminal simultaneously.
Fig. 3 A is the schematic diagram of base station equipment 20 in the base band merging embodiment of TDD system.As shown in Figure 3A, on up direction, the TDD radiofrequency signal of TDD antenna 21 receiving terminals, and send in first this TDD radiofrequency signal among the TDD in the RF processing unit 23 radio frequency processing module 231.
Radio frequency processing module 231 receives the TDD radiofrequency signal that is received by TDD antenna 21 among the one TDD, and the TDD radiofrequency signal is carried out middle radio frequency processing (radio frequency becomes the processing that intermediate frequency becomes base band again, the perhaps radio frequency processing of zero intermediate frequency), to generate first baseband signal.
In addition, in the case, among the TDD among a radio frequency processing module 231 and the FDD RF processing unit 232 also can share the TDD radiofrequency signal that TDD antenna 21 receives.For example, radio frequency processing module 231 can receive whole TDD radiofrequency signals that TDD antenna 21 receives among the TDD, and RF processing unit 232 can receive all or part of TDD radiofrequency signal that TDD antenna 21 receives among the FDD.
Radio frequency processing module 231 and 241 is sent first and second baseband signals that generated into Base-Band Processing and merge cells 25 respectively among the TDD.Base-Band Processing and merge cells 25 are similar to Base-Band Processing and the merge cells 150 of Fig. 1, carry out Base-Band Processing and merge handling based on first and second baseband signals, to obtain corresponding restoring signal.Here, handling based on the merging of baseband signal can be to merge or decoding back merging (signal processing mode is distinguished to some extent, and system gain has size) before above-mentioned IQ data merge, decipher.
In addition, as shown in Figure 3A, TDD antenna 21 can link to each other with RF processing unit 23 in first by M passage, and wherein M is not less than 4 usually.FDD antenna 22 can link to each other with RF processing unit 24 in second by N passage, and wherein N is generally 2 or 4.Therefore, the signals that middle RF processing unit 23 and 24 receives can comprise the signal of a plurality of passages, the signal that first baseband signal that their generate and second baseband signal also can each self-contained a plurality of passages.At this moment, Base-Band Processing and merge cells 25 are merging when handling, select the signal of all or part of passage in the signal of a plurality of passages that from first baseband signal, comprise and the signal of a plurality of passages of from second baseband signal, comprising in select the signal of all or part of passage to merge processing.For example, one of can be in the following manner select to merge the signal of processing: first whole baseband signals and the second whole baseband signals; Second baseband signal of first whole baseband signals and part; First baseband signal of part and the second whole baseband signals; Second baseband signal of first baseband signal of part and part.Like this, can further strengthen the flexibility ratio that merges processing, the elevator system performance.
Therefore, base station equipment 20 according to the embodiment of the invention can make full use of FDD system wide frequency antenna and TDD system wide frequency antenna, the two paths of signals of realizing different dual-modes is unified in Base Band Unit and merges, and improves systematic function, particularly the ascending performance of system.This produces effect to the TDD system very much, because the TDD system is most of up limited.At the TDD system, if ascending performance promotes, more transfer resources can be used for descendingly, so promote downlink capacity.
On the other hand, as shown in Figure 3A, when will be from base station equipment 20 emission TDD signals, on down direction, can also be used to generate the transmission signal (baseband signal) that will send to terminal according to the Base-Band Processing of the base station equipment 20 of the embodiment of the invention and merge cells 25, and will send signal and send RF processing unit 231 among the TDD to, radio frequency processing to be generating corresponding TDD radiofrequency signal in being undertaken by the transmission signal of 231 pairs of base band of radio frequency processing module among the TDD, and from TDD antenna 21 these TDD radiofrequency signals of emission.At opposite side, Base-Band Processing and merge cells 25 are also sent into the transmission signal that is generated radio frequency processing module 241 among the 2nd TDD of RF processing unit 24 in second.Radio frequency processing to be generating corresponding TDD radiofrequency signal during radio frequency processing module 241 was also carried out the transmission signal of base band among the 2nd TDD, and from FDD antenna 22 these TDD radiofrequency signals of emission.
Replacedly, also can be only by a side antenna (as TDD antenna 21) emission TDD radiofrequency signal, and without the TDD radiofrequency signal of FDD antenna transmitting downstream.At this moment, can not send sending signal into radio frequency processing module 241 among the 2nd TDD, send signal to generate corresponding downstream TDD radiofrequency signal and only receive and handle by radio frequency processing module among the TDD 231.
Like this, the embodiment of the invention also can make full use of the hardware resources such as antenna of mixed networking on down direction, promote descending performance.
Fig. 3 B is the schematic diagram of base station equipment 20 in the base band merging embodiment of FDD system.Shown in Fig. 3 B, on up direction, the FDD radiofrequency signal of TDD antenna 21 receiving terminals, and send in first this FDD radiofrequency signal among the FDD in the RF processing unit 23 radio frequency processing module 232.
Radio frequency processing module 232 receives the FDD radiofrequency signal that is received by the TDD antenna among the one FDD, and the FDD radiofrequency signal is carried out middle radio frequency processing (radio frequency becomes the processing that intermediate frequency becomes base band again, and perhaps the radio frequency of zero intermediate frequency becomes Base-Band Processing), to generate first baseband signal.
In addition, in the case, among the 2nd TDD among radio frequency processing module 241 and the 2nd FDD RF processing unit 242 also can share the FDD radiofrequency signal that FDD antenna 22 receives.For example, radio frequency processing module 241 can receive all or part of FDD radiofrequency signal that FDD antenna 22 receives among the 2nd TDD, and RF processing unit 242 can receive whole FDD radiofrequency signals that FDD antenna 22 receives among the 2nd FDD.
Radio frequency processing module 231 and 241 is sent first and second baseband signals that generated into Base-Band Processing and merge cells 25 respectively among the FDD.Base-Band Processing and merge cells 25 are similar to Base-Band Processing and the merge cells 150 of Fig. 1, carry out Base-Band Processing and merge handling based on first and second baseband signals, to obtain corresponding restoring signal.Here, handling based on the merging of baseband signal can be to merge or decoding back merging (signal processing mode is distinguished to some extent, and system gain has size) before above-mentioned IQ data merge, decipher.
On the other hand, shown in Fig. 3 B, when will be from base station equipment 20 emission FDD signals, on down direction, can also be used to generate the transmission signal (baseband signal) that will send to terminal according to the Base-Band Processing of the base station equipment 20 of the embodiment of the invention and merge cells 25, and will send signal and send RF processing unit 241 and 242 among the FDD respectively to, radio frequency processing to be generating corresponding FDD radiofrequency signal in being undertaken by the transmission signal of radio frequency processing module 241 among the FDD and 242 pairs of base band, and respectively from TDD antenna 21 and FDD antenna 22 these FDD radiofrequency signals of emission.
Replacedly, also can only launch the FDD radiofrequency signal by a side antenna (as FDD antenna 22), and without FDD antenna emission TDD radiofrequency signal.At this moment, can not send sending signal into radio frequency processing module 241 among the FDD, send signal to generate corresponding downstream FDD radiofrequency signal and only receive and handle by radio frequency processing module among the 2nd FDD 242.Therefore, base station equipment 20 according to the embodiment of the invention can make full use of FDD system wide frequency antenna and TDD system wide frequency antenna, realization is unified in Base Band Unit with the two paths of signals of dual-mode and merges, and improves systematic function, particularly the ascending performance of system.
Though it should be noted that top is that example has been described the embodiment of the invention with TDD and FDD, the embodiment of the invention is not limited thereto.The method and apparatus that the embodiment of the invention provides also can be applicable to what is called " the different system CoMP of alien frequencies (Cooperative Multi Points; Coordinate multipoint) transmission mode ".
In addition, the communication system according to the embodiment of the invention can comprise above-mentioned communication equipment 100 or 20.
Communication means according to the embodiment of the invention is described below.Fig. 4 shows the schematic flow diagram according to the communication means 300 of the embodiment of the invention.Communication means 300 can be carried out by the base station equipment 1000 of Fig. 1.The communication means 300 of Fig. 4 is described below in conjunction with Fig. 1.
At the S310 of method 300, receive respectively from the radiofrequency signal (first dual-mode or second dual-mode) of same terminal 900 emissions by first antenna 1100 shown in Figure 1 and second antenna 1200.Then at S320, the radiofrequency signal that first antenna 1100 receives is carried out middle radio frequency processing, generating the first baseband signal S1, and the radiofrequency signal that second antenna 1200 receives is carried out middle radio frequency processing, to generate the second baseband signal S2.As mentioned above, middle radio frequency processing can comprise radio frequency processing and the intermediate frequency process of successively carrying out, and perhaps comprises the radio frequency processing of zero intermediate frequency.
Then, carry out Base-Band Processing and merge handling based on the first baseband signal S1 and the second baseband signal S2 at S340.
Like this, the communication means 300 of the embodiment of the invention can make full use of the signal that two kinds of system antennas receive a kind of dual-mode of same terminal, and by baseband signal Combined Treatment (merging), picked up signal merges gain, has promoted overall performance.
As mentioned above, first antenna and second antenna can be respectively TDD antenna and FDD antenna.The radiofrequency signal of coming self terminal can be TDD signal or FDD signal.
As mentioned above, in S340, can carry out merging or the merging of decoding back before the IQ data merge, decipher to the first baseband signal S1 and the second baseband signal S2.
Fig. 5 A-5C is the schematic flow diagram that illustrates according to the process (S340 of Fig. 4) of the merging baseband signal of the embodiment of the invention.The process S340 of Fig. 5 A-5C is described with reference to Fig. 2 A-2C respectively.
Shown in Fig. 5 A, can at first carry out the merging of IQ data to baseband signal S1 and S2 (IQ signal).At S3410, the first baseband signal S1 and the second baseband signal S2 carry out the IQ data and merge to generate combined signal S3 (Fig. 2 A).At S3415, be combined signal S3 and carry out demodulation then with generating solution tonal signal S4.At S3420, restituted signal S4 is deciphered to generate restoring signal S5 then.
Shown in Fig. 5 B, can at first carry out demodulation to baseband signal, before decoding, carry out union operation.At first at S3425, the first baseband signal S1 is carried out demodulation generating the first restituted signal S6, and the second baseband signal S2 is carried out demodulation to generate the second restituted signal S7 (Fig. 2 B) at S3430.At S3435 the first restituted signal S6 and the second restituted signal S7 are merged to generate combined signal S8 then.Being combined signal S8 at S3440 at last deciphers to generate restoring signal S5 '.
Shown in Fig. 5 C, can after decoding, carry out union operation.Represent with identical Reference numeral with the same or analogous process of Fig. 5 B.At first at S3425, the first baseband signal S1 is carried out demodulation generating the first restituted signal S6, and the second baseband signal S2 is carried out demodulation to generate the second restituted signal S7 at S3430.
Then the first restituted signal S6 is deciphered generating the first decoded signal S9, and the second restituted signal S7 is deciphered to generate the second decoded signal S10 (Fig. 2 C) at S3450 at S3445.At S3460 the first decoded signal S9 and the second decoded signal S10 are merged to generate restoring signal S5 then ".
It should be noted that said method needn't carry out according to the order of being painted among the figure, may carry out some process concurrently, can carry out simultaneously as S3425 among Fig. 5 B and Fig. 5 C and S3430 according to actual conditions.In addition, also may put upside down the execution sequence of some process according to actual conditions.For example, for S3425 and S3430,, under the situation of S2 first arrival, can carry out S3430 earlier than S1 according to the precedence of S1 and S2 arrival.S3445 among Fig. 5 C and S3450 also are like this.
Under the situation of the signal of first baseband signal shown in Fig. 3 A-3B and second each self-contained a plurality of passage of baseband signal, in S340, can from the signal of a plurality of passages, merge by the signal of selection portion subchannel, promptly select the signal of all or part of passage in the signal of a plurality of passages that from first baseband signal, comprise and the signal of a plurality of passages of from second baseband signal, comprising in select the signal of all or part of passage to merge processing.
In addition, the communication means 300 of the embodiment of the invention also can make full use of the hardware resource of two kinds of systems on down direction.Fig. 6 is the schematic flow diagram that the communication means 400 on the down direction is shown.
As shown in Figure 6, at S410, generate and send signal.For example, generate the transmission signal by Base-Band Processing and merge cells 150/25.Sending signal is baseband signal.
Then, at S420, handle the transmission signal respectively to generate first radiofrequency signal and to generate second radiofrequency signal by two middle RF processing units.Then, can launch first radiofrequency signal by first antenna at S430, and launch second radiofrequency signal by second antenna.
Like this, the embodiment of the invention also can make full use of the hardware resources such as antenna of mixed networking on down direction, promote descending performance.
Those of ordinary skills can recognize, the unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with electronic hardware, computer software or the combination of the two, for the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in the above description.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each specific should being used for, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can use the software module of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Although illustrated and described some embodiments of the present invention, it will be understood by those skilled in the art that without departing from the principles and spirit of the present invention can carry out various modifications to these embodiment, such modification should fall within the scope of the present invention.
Claims (25)
1. a base station equipment is characterized in that, comprising:
First antenna and second antenna are used for receiving respectively the radiofrequency signal from same terminal emission;
RF processing unit in first is used for the radiofrequency signal that described first antenna receives is carried out radio frequency processing, to generate first baseband signal;
RF processing unit in second is used for the radiofrequency signal that described second antenna receives is carried out radio frequency processing, to generate second baseband signal;
Base-Band Processing and merge cells are used for carrying out Base-Band Processing and merge handling based on described first baseband signal and second baseband signal.
2. base station equipment as claimed in claim 1 is characterized in that, described first antenna is the tdd systems antenna, and described second antenna is the frequency division duplex system antenna.
3. base station equipment as claimed in claim 2 is characterized in that, RF processing unit comprises in described first:
Radio frequency processing module in first time division duplex is used to handle the time division duplex RF signal that is received by described first antenna;
Radio frequency processing module in first Frequency Division Duplexing (FDD) is used to handle the Frequency Division Duplexing (FDD) radiofrequency signal that is received by described first antenna.
4. base station equipment as claimed in claim 2 is characterized in that, RF processing unit comprises in described second:
Radio frequency processing module in second time division duplex is used to handle the time division duplex RF signal that is received by described second antenna;
Radio frequency processing module in second Frequency Division Duplexing (FDD) is used to handle the Frequency Division Duplexing (FDD) radiofrequency signal that is received by described second antenna.
5. base station equipment as claimed in claim 1 is characterized in that, described radiofrequency signal is time division duplex RF signal or Frequency Division Duplexing (FDD) radiofrequency signal.
6. base station equipment as claimed in claim 1 is characterized in that, described Base-Band Processing and merge cells comprise:
Merge module, be used for described first baseband signal and second baseband signal are carried out the merging of IQ data to generate combined signal;
Demodulation module is used for described combined signal is carried out demodulation with the generating solution tonal signal;
Decoding module is used for described restituted signal is deciphered to generate restoring signal.
7. base station equipment as claimed in claim 1 is characterized in that, described Base-Band Processing and merge cells comprise:
First demodulation module is used for described first baseband signal is carried out demodulation to generate first restituted signal;
Second demodulation module is used for described second baseband signal is carried out demodulation to generate second restituted signal;
Merge module, be used for described first restituted signal and second restituted signal are merged to generate combined signal;
Decoding module is used for described combined signal is deciphered to generate restoring signal.
8. base station equipment as claimed in claim 1 is characterized in that, described Base-Band Processing and merge cells comprise:
First demodulation module is used for the described first baseband signal signal is carried out demodulation to generate first restituted signal;
Second demodulation module is used for the described second baseband signal signal is carried out demodulation to generate second restituted signal;
First decoding module is used for described first restituted signal is deciphered to generate first decoded signal;
Second decoding module is used for described second restituted signal is deciphered to generate second decoded signal;
Merge module, be used for described first decoded signal and second decoded signal are merged to generate restoring signal.
9. base station equipment as claimed in claim 1 is characterized in that, the signal of described first baseband signal and second each self-contained a plurality of passage of baseband signal,
Wherein said Base-Band Processing and merge cells are used for selecting the signal of a plurality of passages of comprising from described first baseband signal signal of all or part of passage, and the signal of selecting all or part of passage in the signal of a plurality of passages that from described second baseband signal, comprise, and merge processing.
10. base station equipment as claimed in claim 1 is characterized in that,
Described Base-Band Processing and merge cells also are used for generate sending signal, and send in described first described transmission signal in the RF processing unit and second RF processing unit respectively,
Wherein, RF processing unit also is used for described transmission signal is carried out radio frequency processing to generate first radiofrequency signal in described first;
RF processing unit also is used for described transmission signal is carried out radio frequency processing to generate second radiofrequency signal in described second;
Described first antenna also is used to launch described first radiofrequency signal;
Described second antenna also is used to launch described second radiofrequency signal.
11. base station equipment as claimed in claim 1 is characterized in that,
Described Base-Band Processing and merge cells also are used for generate sending signal, and send in described first described transmission signal in the RF processing unit or described second RF processing unit respectively,
Wherein, in described first in the RF processing unit or described second RF processing unit also be used for described transmission signal is carried out radio frequency processing to generate downlink radio-frequency signal;
Described first antenna or second antenna also are used to launch described downlink radio-frequency signal.
12. base station equipment as claimed in claim 1 is characterized in that,
The radiofrequency signal that RF processing unit receives described first antenna in described first is carried out radio frequency processing and intermediate frequency process respectively or the radiofrequency signal that described first antenna receives is carried out the radio frequency processing of zero intermediate frequency, to generate first baseband signal.
13. base station equipment as claimed in claim 1 is characterized in that,
The radiofrequency signal that RF processing unit receives described second antenna in described second is carried out radio frequency processing and intermediate frequency process respectively or the radiofrequency signal that described second antenna receives is carried out the radio frequency processing of zero intermediate frequency, to generate second baseband signal.
14. a communication means is characterized in that, comprising:
Receive respectively from the radiofrequency signal of same terminal emission by first antenna and second antenna;
The radiofrequency signal that described first antenna receives is carried out middle radio frequency processing, to generate first baseband signal;
The radiofrequency signal that described second antenna receives is carried out middle radio frequency processing, to generate second baseband signal;
Carry out Base-Band Processing and merge handling based on described first baseband signal and second baseband signal.
15. communication means as claimed in claim 14 is characterized in that, carries out Base-Band Processing and merge to handle comprising based on described first baseband signal and second baseband signal:
Described first baseband signal and second baseband signal are carried out the merging of IQ data to generate combined signal;
Described combined signal is carried out demodulation with the generating solution tonal signal;
Described restituted signal is deciphered to generate restoring signal.
16. communication means as claimed in claim 14 is characterized in that, carries out Base-Band Processing and merge to handle comprising based on described first baseband signal and second baseband signal:
Described first baseband signal is carried out demodulation to generate first restituted signal;
Described second baseband signal is carried out demodulation to generate second restituted signal;
Described first restituted signal and second restituted signal are merged to generate combined signal;
Described combined signal is deciphered to generate restoring signal.
17. communication means as claimed in claim 14 is characterized in that, carries out Base-Band Processing and merge to handle comprising based on described first baseband signal and second baseband signal:
The described first baseband signal signal is carried out demodulation to generate first restituted signal;
The described second baseband signal signal is carried out demodulation to generate second restituted signal;
Described first restituted signal is deciphered to generate first decoded signal;
Described second restituted signal is deciphered to generate second decoded signal;
Described first decoded signal and second decoded signal are merged to generate restoring signal.
18. communication means as claimed in claim 14 is characterized in that, the signal of described first baseband signal and second each self-contained a plurality of passage of baseband signal,
Wherein carry out Base-Band Processing and merge to handle comprising: the signal of selecting all or part of passage in the signal of a plurality of passages that from described first baseband signal, comprise based on described first baseband signal and second baseband signal, and the signal of selecting all or part of passage in the signal of a plurality of passages that from described second baseband signal, comprise, and merge processing.
19. communication means as claimed in claim 14 is characterized in that, also comprises:
Generate and send signal;
Described transmission signal is carried out middle radio frequency processing to generate first radiofrequency signal;
Described transmission signal is carried out middle radio frequency processing to generate second radiofrequency signal;
Launch described first radiofrequency signal by described first antenna;
Launch described second radiofrequency signal by described second antenna.
20. communication means as claimed in claim 14 is characterized in that, also comprises:
Generate and send signal;
Described transmission signal is carried out middle radio frequency processing to generate downlink radio-frequency signal;
Launch described downlink radio-frequency signal by described first antenna or second antenna.
21. communication means as claimed in claim 14 is characterized in that, described first antenna is the tdd systems antenna, and described second antenna is the frequency division duplex system antenna.
22. communication means as claimed in claim 14 is characterized in that, described radiofrequency signal is time division duplex RF signal or Frequency Division Duplexing (FDD) radiofrequency signal.
23. communication means as claimed in claim 14, it is characterized in that radio frequency processing comprised during the radiofrequency signal that described first antenna is received was carried out: the radiofrequency signal that described first antenna is received is carried out radio frequency processing and intermediate frequency process respectively or the radiofrequency signal that described first antenna receives is carried out the radio frequency processing of zero intermediate frequency.
24. communication means as claimed in claim 14 is characterized in that,
Radio frequency processing comprised during the radiofrequency signal that described second antenna is received was carried out: the radiofrequency signal that described second antenna is received is carried out radio frequency processing and intermediate frequency process respectively or the radiofrequency signal that described second antenna receives is carried out the radio frequency processing of zero intermediate frequency.
25. a communication system is characterized in that, described communication system comprises as any described base station equipment among the claim 1-13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032665.7A CN102136862B (en) | 2011-01-30 | 2011-01-30 | Base station device, communication system and communication method |
| PCT/CN2011/084940 WO2012100628A1 (en) | 2011-01-30 | 2011-12-29 | Base station equipment, communication system and communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110032665.7A CN102136862B (en) | 2011-01-30 | 2011-01-30 | Base station device, communication system and communication method |
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| CN102136862A true CN102136862A (en) | 2011-07-27 |
| CN102136862B CN102136862B (en) | 2014-02-19 |
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| CN201110032665.7A Active CN102136862B (en) | 2011-01-30 | 2011-01-30 | Base station device, communication system and communication method |
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| Country | Link |
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| CN (1) | CN102136862B (en) |
| WO (1) | WO2012100628A1 (en) |
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| WO2012100628A1 (en) * | 2011-01-30 | 2012-08-02 | 华为技术有限公司 | Base station equipment, communication system and communication method |
| WO2013026420A1 (en) * | 2011-08-25 | 2013-02-28 | 华为技术有限公司 | Signal processing method and system |
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| CN104718791A (en) * | 2012-10-18 | 2015-06-17 | 富士通株式会社 | Wireless communication in multi-RAT system |
| CN106534006A (en) * | 2016-10-25 | 2017-03-22 | 孔令斌 | System and method for processing common public radio interface information |
| CN108880778A (en) * | 2017-05-16 | 2018-11-23 | 中兴通讯股份有限公司 | The cooperative method, apparatus of TDD and FDD and computer equipment |
| CN113540792A (en) * | 2021-07-21 | 2021-10-22 | 重庆传音通讯技术有限公司 | Antenna structure, terminal and processing method of terminal |
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| CN108880778A (en) * | 2017-05-16 | 2018-11-23 | 中兴通讯股份有限公司 | The cooperative method, apparatus of TDD and FDD and computer equipment |
| CN108880778B (en) * | 2017-05-16 | 2020-07-17 | 中兴通讯股份有限公司 | Method, device and computer equipment for common work of TDD and FDD |
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Also Published As
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| WO2012100628A1 (en) | 2012-08-02 |
| CN102136862B (en) | 2014-02-19 |
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