CN101572565B - Real-time antenna data searching method, device and site - Google Patents
Real-time antenna data searching method, device and site Download PDFInfo
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- CN101572565B CN101572565B CN 200910107688 CN200910107688A CN101572565B CN 101572565 B CN101572565 B CN 101572565B CN 200910107688 CN200910107688 CN 200910107688 CN 200910107688 A CN200910107688 A CN 200910107688A CN 101572565 B CN101572565 B CN 101572565B
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Abstract
The execution mode of the invention provides a real-time antenna data searching method, comprising the operation of carrying out dedicated physical control channel (DPCCH) search and enhanced physicalcontrol channel (E-DPCCH) search on the real-time antenna data; the invention is characterized in that the method also comprises the operation of carrying out E-DPCCH non-relative search on the recei ved data transmitted by the real-time antenna to obtain multi-path information; carrying out multi path separation on the multi-path information to obtain a multi-path separation result; generating a tough judgment result according to the multi-path separation result;; demodulating the tough judgment result and the multi path separation result to obtain a demodulating result; and configuring the searching mode of the next time interval according to the demodulating result. The invention also provides a real time antenna data searching method and a site. With the technical proposal adopted, deadlock can be reduced and Boosting search is supported.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, device and website of real-time antenna data searching.
Background technology
Development along with the communication technology, the user is more and more higher to the rate requirement of business, high speed business occupies more and more consequence in communication, for in the professional switching of high, low speed, the algorithm of interior ring, outer shroud does not adjust, Wideband Code Division Multiple Access (WCDMA) (Wideband CDMA, WCDMA) R7 version has been introduced enhancing Dedicated Physical Control Channel (Enhanced Dedicated Physical Control Channel, E-DPCCH) Power Boosting carries out the search of real-time antenna data, and then supports the Boosting search.
Concrete implementation as shown in Figure 1 in the prior art, comprise: the data that the DPCCH search unit the receives real-time antenna line search of going forward side by side obtains multipath information, the relevant search unit of E-DPCCH receives the data of real-time antenna and is concerned with and searches for the multipath information that obtains simultaneously, the multipath information multipath information that relevant search obtains with E-DPCCH that above-mentioned DPCCH search is obtained sends to the multipath separative element and carries out after multipath separates, the result that multipath is separated carries out the generation of firmly declaring of E-DPCCH and firmly declares result's (also cry and firmly declare symbol), and this is declared the relevant search unit that the result sends to E-DPCCH firmly, the demodulating unit of E-DPCCH is firmly declared result that the result separates with multipath according to this that receives and is separated tuning DSP unit and report Boosting; After the DSP unit receives Boosting, Boosting is sent to the relevant search unit of E-DPCCH; Search must receive Boosting and firmly declare the result and the relevant search unit of E-DPCCH is concerned with, but the time that produces Boosting is grown (being generally 2ms), so the remaining time can't have been finished relevant search after the relevant search unit of E-DPCCH received current time slots Boosting, and since boosting be one for a long time, process stably, be concerned with and search for so the relevant search unit of the E-DPCCH in the prior art scheme is Boosting according to the generation of a upper time slot.
In realizing process of the present invention, the inventor finds prior art, and there are the following problems: because the relevant search unit of the E-DPCCH in the technical scheme that provides of prior art is according to firmly declaring symbol and the Boosting search that is concerned with, and when for any situation in following two kinds of situations, all can not produce and firmly declare result's (cry yet and firmly declare symbol), so cause the search that can't be concerned with of the relevant search unit of E-DPCCH, thereby be absorbed in deadlock state, and can't support the Boosting search.
1) the relevant search unit of certain time slot E-DPCCH and DPCCH search unit are all searched for less than footpath information.
2) just there is Boosting in the firm foundation of channel, and the search of DPCCH search unit is less than footpath information.
Summary of the invention
Embodiment of the present invention provides a kind of method and device of real-time antenna data searching, the method and device can produce declares the result firmly, thereby the relevant search unit that can start E-DPCCH carries out follow-up relevant search, reduces the appearance of deadlock state, and then supports the Boosting search.
The specific embodiment of the invention provides a kind of real-time antenna data searching method, comprises that real-time antenna is got data to carry out the special used for physical control channel DPCCH search and strengthen Dedicated Physical Control Channel E-DPCCH search, and described method also comprises:
The data that the real-time antenna that receives is sent are carried out the incoherent search of E-DPCCH and are obtained multipath information;
Described multipath information is carried out multipath separate, obtain the multipath separating resulting;
Firmly declare the result according to described multipath separating resulting generation;
Firmly declare result and described multipath separating resulting and carry out demodulation and obtain demodulation result described;
Dispose the way of search of next time slot according to the result of described demodulation.
The specific embodiment of the invention provides a kind of real-time antenna data searching device, comprising:
The incoherent search unit of E-DPCCH is used for that the data of the real-time antenna that receives are carried out the incoherent search of E-DPCCH and obtains multipath information;
The multipath separative element is used for that described multipath information is carried out multipath and separates, and sends described multipath separating resulting;
E-DPCCH declares the unit firmly, is used for receiving described multipath separating resulting, generates according to described multipath separating resulting and firmly declares the result, and send the described result that firmly declares;
The E-DPCCH demodulating unit is used for receiving described multipath separating resulting and describedly firmly declares the result, to described multipath separating resulting with describedly firmly declare the result and carry out demodulation, and reports demodulation result;
The DSP unit for the demodulation result that reports according to described E-DPCCH demodulating unit, disposes the way of search of next time slot.
The specific embodiment of the invention provides a kind of website, comprises real-time antenna and real-time antenna data searching device for transceiving data.
The embodiment of the invention is by above technical scheme, after the technical scheme of the embodiment of the invention is carried out the incoherent search of E-DPCCH with the real-time antenna data, the multipath information that searches is sent to the multipath separative element, thereby so that search for when all searching for less than footpath information at the relevant search of E-DPCCH and DPCCH, the incoherent multipath information that searches of E-DPCCH is carried out multipath separates, and the generation of firmly declaring that the multipath separating resulting sends to E-DPCCH declared the result firmly, reduced to search for all to search for less than footpath information or the firm foundation of channel at the relevant search of certain time slot E-DPCCH and DPCCH and just had Boosting, situation when DPCCH searches for less than footpath information, reduce the appearance of deadlock state, supported the Boosting search.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The search technique conceptual scheme of a kind of real-time antenna data that Fig. 1 provides for prior art;
The structure chart of a kind of real-time antenna data searching device that Fig. 2 provides for the embodiment of the invention;
The structure chart of the incoherent search unit of E-DPCCH that Fig. 3 provides for the embodiment of the invention;
Fig. 4 processes schematic diagram for the incoherent search of E-DPCCH that the embodiment of the invention provides;
The flow chart of the searching method of a kind of real-time antenna data that Fig. 5 provides for the embodiment of the invention;
The flow chart of the searching method of a kind of real-time antenna data that Fig. 6 provides for the embodiment of the invention
The incoherent search routine figure of E-DPCCH that Fig. 7 provides for the embodiment of the invention;
The structure chart of a kind of website that Fig. 8 provides for 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 only 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 obtains under the creative work prerequisite.
For the technical scheme that the embodiment of the invention provides better is described, now come technical scheme of the present invention is described in detail by specific embodiment.
As shown in Figure 2, one embodiment of the invention provides a kind of real-time antenna data searching device, comprise: the incoherent search unit 21 of E-DPCCH, multipath separative element 22, E-DPCCH declare unit 23, E-DPCCH demodulating unit 24, digital signal processor (digital singnal processor, DSP unit) 25 firmly.In another embodiment, this device can also comprise the relevant search unit 26 of E-DPCCH and DPCCH search unit 27; This device can be arranged in the base station in one embodiment, certainly also can be arranged in the relay station in another embodiment.
The incoherent search unit 21 of E-DPCCH be used for to receive the data of real-time antenna, and carries out the incoherent search of E-DPCCH and obtain multipath information, and the multipath information that searches is sent to multipath separative element 22;
Multipath separative element 22 is used for that the multipath information that receives is carried out multipath and separates and obtain the multipath separating resulting, and this multipath separating resulting is sent to E-DPCCH firmly declares unit 23 and E-DPCCH demodulating unit 24;
Comprise in the multipath separating resulting, the multipath information that receives is carried out multipath separate the relatively more effective multipath information that obtains.Relatively more effective multipath information can be the many multipath information of amount of information comprise, perhaps the footpath information in the less path of path loss.Certainly some relevant informations that also comprise other in the separating resulting.
E-DPCCH declares unit 23 firmly, is used for producing according to this multipath separating resulting firmly declaring the result, namely firmly declares symbol, and this is declared the result firmly sends to the relevant search unit 26 of E-DPCCH and E-DPCCH demodulating unit 24;
E-DPCCH demodulating unit 24 is used for carrying out demodulation according to the multipath separating resulting that result and multipath separative element 22 send of firmly declaring that E-DPCCH declares firmly that unit 23 sends, and the result of demodulation is reported DSP unit 25;
Specifically, E-DPCCH demodulating unit 24 carries out demodulation demodulation modes such as (comprise that the result that multipath is separated detects or) decodings according to E-DPCCH firmly declaring of declaring firmly that unit 23 the sends multipath separating resulting that result and multipath separative element 22 send, if comprise the non-boosting indication in the footpath information after the demodulation, then show, in next time slot, do not need the data to the real-time antenna that receives, carry out the relevant search of E-DPCCH, this moment, DSP unit 25 configuration DPCCH search units 27 carried out search based on DPCCH to the footpath information in next time slot, namely, the data of the real-time antenna that receives in next time slot are carried out search based on DPCCH, obtain multipath information;
E-DPCCH demodulating unit 24 carries out demodulation according to the multipath separating resulting of firmly declaring result and 22 transmissions of multipath separative element that E-DPCCH declares unit 23 transmissions firmly, if comprise the boosting indication in the footpath information after the demodulation, then show, in next time slot, the relevant search unit 26 of E-DPCCH need to be to the data of the real-time antenna that receives, carry out the relevant search of E-DPCCH, the relevant search unit 26 of DSP unit 25 configuration E-DPCCH this moment carries out relevant search based on E-DPCCH to the footpath information in next time slot, namely, the data of the real-time antenna that receives in next time slot are carried out relevant search based on E-DPCCH, obtain multipath information.
If comprise the non-boosting indication in the footpath information after the demodulation, then show, in next time slot, do not need the data to the real-time antenna that receives, carry out the relevant search of E-DPCCH, this moment, DSP unit 25 sent to DPCCH search unit 27 with the non-boosting indication, configuration DPCCH search unit 27 carries out search based on DPCCH to the footpath information in next time slot, that is, the data of the real-time antenna that receives in next time slot are carried out search based on DPCCH, obtain multipath information;
If comprise the boosting indication in the footpath information after the demodulation, then show, in next time slot, the relevant search unit 26 of E-DPCCH need to be to the data of the real-time antenna that receives, carry out the relevant search of E-DPCCH, this moment, DSP unit 25 sent to the relevant search unit 26 of E-DPCCH with the boosting indication, footpath information in relevant search unit 26 next time slot of configuration E-DPCCH is carried out the relevant search based on E-DPCCH, namely right, the data of the real-time antenna that receives in next time slot are carried out the relevant search based on E-DPCCH, obtain multipath information.
Since boosting be one for a long time, process stably, so adopt the boosting of priori to indicate to search in the present embodiment.Because when current 2ms carried out the relevant search of E-DPCCH, the boosting indication of a upper 2ms obtained, thus can be used for carrying out the search of current 2ms, the relevant search of E-DPCCH that the boosting indication of employing priori is carried out, performance loss is less.
In another embodiment, this device can also comprise the relevant search unit 26 of E-DPCCH and DPCCH search unit 27;
The E-DPCCH search unit 26 that is concerned with, the result that firmly declares who is used for firmly declaring according to E-DPCCH unit 23 starts the relevant search of E-DPCCH, according to the configuration result of DSP unit in the upper time slot, the data of the real-time antenna of next time slot is carried out the relevant search of E-DPCCH.
Concrete, what the Boosting indication that the upper time slot Boosting indication that is used for sending according to DSP unit 25 is priori and E-DPCCH declared unit 23 transmissions firmly declares the result firmly, to the search that is concerned with of the data of the real-time antenna that receives.
Since boosting be one for a long time, process stably, so adopt the boosting of priori to indicate to search in the present embodiment.Because when current 2ms carried out the relevant search of E-DPCCH, the boosting indication of a upper 2ms obtained, thus can be used for carrying out the search of current 2ms, the relevant search of E-DPCCH that the boosting indication of employing priori is carried out, performance loss is less.
Concrete, the E-DPCCH search unit 26 that be concerned with starts and searches for according to firmly declaring symbol; Start after the search, when boosting is designated as when high, the related time-slot in the granularity (being generally 2ms) of boosting indication participates in alpha filtering; When boosting is designated as when low, reduce the related time-slot in the granularity (being generally 2ms) of boosting indication, do not carry out alpha filtering.
DPCCH search unit 27 is used for the configuration result according to DSP unit 25, and the footpath information in next time slot is carried out search based on DPCCH,, the data of the real-time antenna of next time slot is carried out the DPCCH search that is, obtains multipath information;
The DPCCH search unit carries out the DPCCH search according to the non-Boosting indication that the DSP unit sends, and, the data of the real-time antenna of next time slot is carried out the DPCCH search that is, obtains multipath information.
Need to prove that here in one embodiment, DPCCH search unit 27 can carry out the relevant search of DPCCH to the data of the real-time antenna of next time slot; In another embodiment, DPCCH search unit 27 also can carry out the incoherent search of DPCCH to the data of the real-time antenna of next time slot, does not do restriction.
The embodiment of the invention, increased the incoherent search of E-DPCCH, and after the real-time antenna data are carried out the incoherent search of E-DPCCH, the multipath information that searches is sent to the multipath separative element, thereby so that the multipath separative element is when the relevant search unit of E-DPCCH and DPCCH search unit are all searched for less than footpath information, the incoherent multipath information that searches of E-DPCCH can be carried out multipath and separate, and the result is declared in the generation of firmly declaring that the multipath separating resulting sends to E-DPCCH firmly.By above technical scheme, reduced all to search for less than footpath information or the firm foundation of channel at the relevant search unit of certain time slot E-DPCCH and DPCCH search unit and just had Boosting, the search of DPCCH search unit is less than the situation of footpath information, and produce according to this footpath information and firmly to declare the result, reduce the appearance of deadlock state, thereby supported the Boosting search.
As shown in Figure 3, in one embodiment, the incoherent search unit 27 of E-DPCCH can comprise:
Fig. 4 is that schematic diagram is processed in the incoherent search of E-DPCCH that one embodiment of the invention provides, and in the present embodiment, an E-DPCCH slot comprises 10 symbols, and per two symbols are one and process granularity, so one has 5 processing granularities.In the present embodiment, normal coherent accumulation during first symbol (the black part among Fig. 4), second symbol filled 0 (white portion among Fig. 4).Preferably, consider with existing structure better compatiblely, the processing granularity of this coherent accumulation is 512chips; This processes the rear 256chips zero setting in the granularity; In another embodiment, the processing granularity of coherent accumulation can also for other numerical value, such as 256chips, be processed the rear 128chips zero setting of granularity like this.
What certainly can understand is, in another embodiment, also can fill 0 to first symbol, carry out normal coherent accumulation to second symbol, preferred, considers with existing structure better compatiblely, and the processing granularity of coherent accumulation is 512chips; This processes the front 256chips zero setting in the granularity, and in another embodiment, the processing granularity of coherent accumulation can also for other numerical value, such as 256chips, be processed the front 128chips zero setting of granularity like this.
Sending module 274 is used for multipath information is sent to multipath separative element 22.
The incoherent search unit 27 of E-DPCCH in the device that the embodiment of the invention provides is receiving the real-time antenna data, and after carrying out the incoherent search of E-DPCCH, the multipath information that searches is sent to multipath separative element 22, thereby can firmly not declare in the situation of symbol, can process the multipath information generation that obtains according to incoherent search unit 27 and firmly declare symbol, thereby the relevant search unit that can start E-DPCCH carries out follow-up relevant search, prevents system deadlock; And the processing granularity of carrying out coherent accumulation is set to 512chips, and processes 256chips in the granularity and be set to zero, can be so that the incoherent search unit 27 of this E-DPCCH is well compatible with real-time antenna data searching of the prior art unit.
As shown in Figure 5, embodiment of the present invention provides a kind of real-time antenna data searching method, the method comprises: comprise that real-time antenna is got data to carry out the special used for physical control channel DPCCH search and strengthen Dedicated Physical Control Channel E-DPCCH search, is characterized in that described method also comprises:
Step 11, the data that the real-time antenna that receives is sent are carried out the incoherent search of E-DPCCH and are obtained multipath information;
Step 12 is carried out multipath to described multipath information and is separated, and obtains the multipath separating resulting;
Comprise in the multipath separating resulting, the multipath information that receives is carried out multipath separate the relatively more effective multipath information that obtains.Relatively more effective multipath information can be the many multipath information of amount of information comprise, perhaps the footpath information in the less path of path loss.Certainly some relevant informations that also comprise other in the separating resulting.
Step 13 is declared the result firmly according to described multipath separating resulting generation, namely firmly declares symbol;
Step 14 is firmly declared result and described multipath separating resulting and is carried out demodulation and obtain demodulation result described;
Step 15 disposes the way of search of next time slot according to the result of described demodulation.
The embodiment of the invention is by above technical scheme, after the technical scheme of the embodiment of the invention is carried out the incoherent search of E-DPCCH with the real-time antenna data, the multipath information that searches is sent to the multipath separative element, thereby so that search for when all searching for less than footpath information at the relevant search of E-DPCCH and DPCCH, the incoherent multipath information that searches of E-DPCCH is carried out multipath separates, and the generation of firmly declaring that the multipath separating resulting sends to E-DPCCH declared the result firmly, reduced to search for all to search for less than footpath information or the firm foundation of channel at the relevant search of certain time slot E-DPCCH and DPCCH and just had Boosting, situation when DPCCH searches for less than footpath information, reduce the appearance of deadlock state, supported the Boosting search.
As shown in Figure 6, the embodiment of the invention provides a kind of real-time antenna data searching method, describes in conjunction with the device that provides among Fig. 2, comprises the steps:
Step 31, the real-time antenna data that receive are carried out incoherent search based on E-DPCCH, obtain multipath information, send the multipath information that searches to multipath separative element 22;
Step 32, multipath separative element are carried out multipath to this multipath information and are separated, and produce the result that multipath separates, and the result that this multipath separates is sent to E-DPCCH firmly declare unit 23 and E-DPCCH demodulating unit 24;
Step 33, E-DPCCH firmly declare unit 23 and firmly declare the result according to this multipath separating resulting generation, namely firmly declare symbol; And this is declared the result firmly send to the relevant search unit 26 of E-DPCCH and E-DPCCH demodulating unit 24;
Step 34, E-DPCCH demodulating unit 24 firmly declares the result according to this and the multipath separating resulting carries out demodulation, and the result of demodulation is reported DSP unit 25
Step 35, DSP unit 25 dispose the way of search of next time slot according to the result of demodulation;
If comprise the non-boosting indication in the footpath information after step 34 demodulation, then show, in next time slot, do not need the data to the real-time antenna that receives, carry out the relevant search of E-DPCCH, this moment, DSP unit 25 sent to DPCCH search unit 27 with the non-boosting indication, configuration DPCCH search unit 27 carries out search based on DPCCH to the footpath information in next time slot, namely right, the data of the real-time antenna that receives in next time slot are carried out the search based on DPCCH, obtain multipath information;
If comprise the boosting indication in the footpath information after the demodulation, then show, in next time slot, the relevant search unit 26 of E-DPCCH need to be to the data of the real-time antenna that receives, carry out the relevant search of E-DPCCH, this moment, DSP unit 25 sent to the relevant search unit 26 of E-DPCCH with the boosting indication, footpath information in relevant search unit 26 next time slot of configuration E-DPCCH is carried out the relevant search based on E-DPCCH, namely right, the data of the real-time antenna that receives in next time slot are carried out the relevant search based on E-DPCCH, obtain multipath information.
Shown in the dotted line frame among Fig. 6, in another embodiment, the method also comprises:
The relevant search unit of step 36, E-DPCCH is declared result's search that is concerned with firmly according to the configuration of DSP unit and this.
Concrete, the relevant search unit of E-DPCCH is declared result's search that is concerned with firmly according to this Boosting indication and this.
Concrete, be used for the upper time slot Boosting indication that sends according to DSP unit 25, that is, what the Boosting of priori indication and E-DPCCH declared unit 23 transmissions firmly declares the result firmly, to the search that is concerned with of the data of the real-time antenna that receives.
Since boosting be one for a long time, process stably, so adopt the boosting of priori to indicate to search in the present embodiment.Because when current 2ms carried out the relevant search of E-DPCCH, the boosting indication of a upper 2ms obtained, thus can be used for carrying out the search of current 2ms, the relevant search of E-DPCCH that the boosting indication of employing priori is carried out, performance loss is less.
Concrete, the E-DPCCH search unit 26 that be concerned with starts and searches for according to firmly declaring symbol; Start after the search, when boosting is designated as when high, the related time-slot in the granularity (being generally 2ms) of boosting indication participates in alpha filtering; When boosting is designated as when low, reduce the related time-slot in the granularity (being generally 2ms) of boosting indication, do not carry out alpha filtering.
Step 37, DPCCH search unit carry out the DPCCH search according to the configuration of DSP unit.
The DPCCH search unit carries out the DPCCH search according to the non-Boosting indication that the DSP unit sends, and, the data of the real-time antenna of next time slot is carried out the DPCCH search that is, obtains multipath information.
Need to prove that here in one embodiment, DPCCH search unit 27 can carry out the relevant search of DPCCH to the data of the real-time antenna of next time slot; In another embodiment, DPCCH search unit 27 also can carry out the incoherent search of DPCCH to the data of the real-time antenna of next time slot, does not do restriction.
The embodiment of the invention, increased the incoherent search of E-DPCCH at real-time antenna, and after the real-time antenna data are carried out the incoherent search of E-DPCCH, the multipath information that searches is sent to the multipath separative element, thereby so that the multipath separative element is when the relevant search unit of E-DPCCH and DPCCH search unit are all searched for less than footpath information, the incoherent multipath information that searches of E-DPCCH can be carried out multipath and separate, and the result is declared in the generation of firmly declaring that the multipath separating resulting sends to E-DPCCH firmly.By above technical scheme, reduced when the relevant search unit of certain time slot E-DPCCH and DPCCH search unit are all searched for less than footpath information or just there is Boosting in the firm foundation of channel, the search of DPCCH search unit is less than the situation of footpath information, and produce according to this footpath information and firmly to declare the result, reduce the appearance of deadlock state, thereby supported the Boosting search.
In another embodiment, as shown in Figure 7, step 31 can comprise:
Fig. 4 is that schematic diagram is processed in the incoherent search of E-DPCCH that one embodiment of the invention provides, and in the present embodiment, an E-DPCCH slot comprises 10 symbols, and per two symbols are one and process granularity, so one has 5 processing granularities.In the present embodiment, normal coherent accumulation during first symbol (the black part among Fig. 4), second symbol filled 0 (white portion among Fig. 4).Preferably, consider with existing structure better compatiblely, the processing granularity of this coherent accumulation is 512chips; This processes the rear 256chips zero setting in the granularity; In another embodiment, the processing granularity of coherent accumulation can also for other numerical value, such as 256chips, be processed the rear 128chips zero setting of granularity like this.
What certainly can understand is, in another embodiment, also can fill 0 to first symbol, carry out normal coherent accumulation to second symbol, preferred, considers with existing structure better compatiblely, and the processing granularity of coherent accumulation is 512chips; This processes the front 256chips zero setting in the granularity, and in another embodiment, the processing granularity of coherent accumulation can also for other numerical value, such as 256chips, be processed the front 128chips zero setting of granularity like this.
The incoherent search unit of E-DPCCH in the method that one embodiment of the invention provides is receiving the real-time antenna data, the real-time antenna data are carried out coherent accumulation and tried to achieve the average energy of each time slot, after obtaining multipath information according to this average energy, multipath information is sent to the multipath separative element, thereby can firmly not declare in the situation of symbol, process the multipath information generation that obtains according to incoherent search unit 27 and firmly declare symbol, thereby the relevant search unit that can start E-DPCCH carries out follow-up relevant search, prevent deadlock state, and then support the Boosting search; And carrying out the processing granularity of coherent accumulation, the incoherent search unit of E-DPCCH is set to 512chips; And the rear 256chips that processes in the granularity is set to zero energy so that the incoherent search unit of this E-DPCCH and real-time antenna data searching of the prior art unit are well compatible.
As shown in Figure 8, the embodiment of the invention provides a kind of website, comprise real-time antenna 10 and real-time antenna data searching device 20 for transceiving data, as described in the embodiment that the concrete structure of real-time antenna searcher 20 and function can provide such as Fig. 2 in one embodiment, as described in the embodiment that can also provide such as Fig. 2 and Fig. 3 in another embodiment, do not repeat them here.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize that can certainly pass through hardware, perhaps the combination of the two is implemented by the mode that software adds essential general hardware platform.Based on such understanding, the part that technical scheme in the embodiment of the invention contributes to prior art in essence in other words can embody with the form of software product, this software module or computer software product can be stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.Storage medium can be 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.
The above; only be the better embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the embodiment of the invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1. a real-time antenna data searching method comprises the data of real-time antenna is carried out the special used for physical control channel DPCCH search and strengthened Dedicated Physical Control Channel E-DPCCH search, it is characterized in that described method also comprises:
The data that the real-time antenna that receives is sent are carried out the incoherent search of E-DPCCH and are obtained multipath information;
Described multipath information is carried out multipath separate, obtain the multipath separating resulting;
Firmly declare the result according to described multipath separating resulting generation;
Firmly declare result and described multipath separating resulting and carry out demodulation and obtain demodulation result according to described; Wherein, described demodulation result comprises: footpath information;
Dispose the way of search of next time slot according to the result of described demodulation.
2. the method for claim 1 is characterized in that, described data to the real-time antenna that receives are carried out incoherent search and obtained multipath information, comprising:
Data to the real-time antenna that receives are carried out coherent accumulation, and the processing granularity of coherent accumulation is predefined value;
Obtain the energy value of each described processing granularity, the energy value of all granularities of each time slot is averaging the average energy that obtains each time slot;
The average energy of described each time slot is carried out alpha filtering, obtain multipath information, send described multipath information.
3. the method for claim 1 is characterized in that, described result according to described demodulation disposes the way of search of next time slot, comprising:
If comprise non-boosting indication in the demodulation result, configuration is carried out search based on DPCCH to the footpath information in next time slot;
If comprise boosting indication in the demodulation result, configuration is carried out relevant search based on E-DPCCH to the footpath information in next time slot.
4. a real-time antenna data searching device is characterized in that, described device comprises:
The incoherent search unit of E-DPCCH is used for that the data of the real-time antenna that receives are carried out the incoherent search of E-DPCCH and obtains multipath information;
The multipath separative element is used for that described multipath information is carried out multipath and separates, and sends described multipath separating resulting;
E-DPCCH declares the unit firmly, is used for receiving described multipath separating resulting, generates according to described multipath separating resulting and firmly declares the result, and send the described result that firmly declares;
The E-DPCCH demodulating unit is used for receiving described multipath separating resulting and describedly firmly declares the result, according to described multipath separating resulting with describedly firmly declare the result and carry out demodulation, and reports demodulation result; Wherein, described demodulation result comprises: footpath information;
The DSP unit for the demodulation result that reports according to described E-DPCCH demodulating unit, disposes the way of search of next time slot.
5. device as claimed in claim 4 is characterized in that, the incoherent search unit of described E-DPCCH comprises:
Accumulator module is carried out coherent accumulation to the data of the real-time antenna that receives, and the processing granularity of coherent accumulation is predefined value;
Energy module is used for obtaining the energy value of each described processing granularity, and the energy value of all granularities of each time slot is averaging the average energy that obtains each time slot;
The alpha filter carries out alpha filtering with the average energy of described each time slot, obtains multipath information;
Sending module is used for described multipath information is sent to described multipath separative element.
6. device as claimed in claim 4 is characterized in that, described DSP unit comprises:
Determination module is used for determining that described demodulation result exists non-boosting indication or boosting indication;
Configuration module if the non-boosting indication or the boosting that are used for comprising according to demodulation result indicate, disposes the way of search of next time slot; If comprise non-boosting indication in the demodulation result, then dispose the footpath information in next time slot is carried out search based on DPCCH; If comprise boosting indication in the demodulation result, then dispose the footpath information in next time slot is carried out relevant search based on E-DPCCH.
7. device as claimed in claim 4 is characterized in that, described device also comprises:
The DPCCH search unit is used for the configuration result according to a upper time slot DSP unit, and the data of the real-time antenna of next time slot are carried out the DPCCH search;
The E-DPCCH search unit that is concerned with is used for firmly declaring the result and starting the relevant search of E-DPCCH according to described, according to the configuration result of DSP unit in the upper time slot, the data of the real-time antenna of next time slot is carried out the relevant search of E-DPCCH.
8. a website is characterized in that, described website comprises for the real-time antenna of transceiving data and each described device of claim 4-7.
9. website as claimed in claim 8 is characterized in that, described website is base station or relay station.
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| CN 200910107688 CN101572565B (en) | 2009-06-05 | 2009-06-05 | Real-time antenna data searching method, device and site |
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| CN 200910107688 CN101572565B (en) | 2009-06-05 | 2009-06-05 | Real-time antenna data searching method, device and site |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193225A (en) * | 1996-12-03 | 1998-09-16 | 三星电子株式会社 | Searching device used in CDMA receiver and method thereof |
| US6085104A (en) * | 1998-03-25 | 2000-07-04 | Sharp Laboratories Of America, Inc. | Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method |
| CN101102124A (en) * | 2007-07-27 | 2008-01-09 | 中兴通讯股份有限公司 | A Rake receiving method and device |
-
2009
- 2009-06-05 CN CN 200910107688 patent/CN101572565B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1193225A (en) * | 1996-12-03 | 1998-09-16 | 三星电子株式会社 | Searching device used in CDMA receiver and method thereof |
| US6085104A (en) * | 1998-03-25 | 2000-07-04 | Sharp Laboratories Of America, Inc. | Pilot aided, time-varying finite impulse response, adaptive channel matching receiving system and method |
| CN101102124A (en) * | 2007-07-27 | 2008-01-09 | 中兴通讯股份有限公司 | A Rake receiving method and device |
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