CN101335561B - Long-drawing data interchanging equipment and data interchanging method thereof - Google Patents
Long-drawing data interchanging equipment and data interchanging method thereof Download PDFInfo
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- CN101335561B CN101335561B CN2008100299200A CN200810029920A CN101335561B CN 101335561 B CN101335561 B CN 101335561B CN 2008100299200 A CN2008100299200 A CN 2008100299200A CN 200810029920 A CN200810029920 A CN 200810029920A CN 101335561 B CN101335561 B CN 101335561B
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Abstract
The invention relates to a zoom-out data switching device and a data switching method thereof. The method of the invention comprises the following steps: link information in various upstream data is fetched along the upstream direction and the first operation processing is carried out, simultaneously, IQ data of various upstream data is respectively de-framed to be parallel data of different channels, the data of the same channel from various upstream data is incorporated as upstream parallel IQ data of multiple channels and the upstream parallel IQ data of the multiple channels is framed to be upstream serial IQ data, and then the information after the first operation processing and the upstream serial IQ data are combined for being upstream sent. The link information of downstream data is fetched along the downstream direction and the second operation processing is carried out, and the information after the second operation processing and the downstream data are combined for being downstream sent. The invention realizes the communication between the upper end device and a plurality of lower end devices, and improves the stability and coverage of the wireless communication system. During the processing of upstream data and downstream data, the mode of parallel processing is adopted; requirement of time-sequence precision is not high, the realization is easy, thus being beneficial to wide use.
Description
Technical field
The present invention relates to the mobile communication technology field, particularly the networking mode of radio frequency stretch system and data transmission method thereof in the moving communicating field.
Background technology
Continuous progress and development along with wireless communication technology; The importance of the radio network optimization and the network coverage is remarkable day by day, characteristics such as wherein, the radio frequency remote technology is low with its cost of investment, the rapid increase coverage territory of ability; Be used widely; To the application of radio frequency remote technology, adopt the star-like connected mode of man-to-man daisy chain connected mode or one-to-many usually in the prior art, or the mode of two kinds of networking mode mixing application.As shown in Figure 1, be the networking structure sketch map of wherein a kind of wireless network of the prior art, in this networking mode; Remote termination can only be connected this networking mode with when a upper end equipment (remote termination or near-end machine) is connected with a lower end remote termination; Needing wireless network to cover intensive zone, be unfavorable for networking optimization and expansion, can not satisfy the intensive networking demand of wireless coverage; In addition, according to this networking mode, when wherein a remote termination breaks down, during interrupt communication; Will cause each remote termination of its rear end connection and the communication disruption of near-end machine, influence the communication of whole piece data link.
Summary of the invention
To the problem that exists in the prior art; First purpose of the present invention is to provide a kind of remote data interchanging equipment with data exchanging function; It can communicate with a plurality of lower ends equipment simultaneously, realizes the exchanges data of upper end equipment and this a plurality of lower ends equipment.
For achieving the above object, the present invention adopts following technical scheme:
A kind of remote data interchanging equipment comprises:
Be used for the master port that is connected with upper end equipment, at least two of being used for being connected and plural from port with lower end equipment,
With each said upstream data receiver module that is connected from port, be used for through each said upstream data that receives each said lower end equipment from port;
The first link information processing module that is connected with said upstream data receiver module is used for extracting link information and according to preset processing mode this link information being carried out first operational processes from said upstream data;
An IQ data processing module that is connected with said upstream data receiver module; Be used for each said upstream data from port being separated frame according to preset separating/framing mechanism; Will be from respectively receiving the parallel data that IQ data the data are decomposed into different passages respectively from port; Data to variant same passage from port merge; Become the up parallel I Q data of multichannel, and according to said preset separating/framing mechanism, the up parallel I Q data of said multichannel framing is capable serial i Q data on the way;
With the upstream data composite module that the said first link information processing module, a said IQ data processing module are connected, be used for according to link information and the said up serial i Q data combination of preset data combination/analysis mode after for going serial data on the way with said first operational processes;
And be connected in the upstream data sending module between said upstream data composite module and the said master port, be used for said uplink serial data being sent to said upper end equipment through said master port;
Also comprise:
The downlink data receiver module that is connected with said master port is used for receiving through said master port the downlink data of said upper end equipment;
The second link information processing module that is connected with said downlink data receiver module is used for extracting link information from said downlink data, and according to said preset processing mode this link information is carried out second operational processes;
With the downlink data composite module that said downlink data receiver module, the said second link information processing module are connected, be used for being combined as one tunnel descending serial data according to the link information and the said downlink data of said preset data combination/analysis mode after with said first operational processes;
Be connected in said downlink data composite module and each is said from the downlink data sending module between the port, be used for saidly said descending serial data being sent to each said lower end equipment from port through each.
According to remote data interchanging equipment of the present invention, it can be connected with the upper end remote equipment through master port, and is connected with a plurality of lower ends equipment respectively from port through a plurality of; Realize communicating by letter of upper end equipment and a plurality of lower ends equipment, thereby can improve the coverage rate of wireless network, and therein during a lower end device fails; Can not influence the communication of other lower end equipment, improve the stability of wireless system communication, in addition; When the uplink and downlink data are handled,, adopt different processing modes respectively to upstream data, downlink data parallel processing; Correspondingly less demanding to the time sequence precision of data realized easily, thereby helped extensive use.
Second purpose of the present invention is to provide a kind of method for interchanging data of remote data interchanging equipment, and it can realize the data exchanging function of upper end equipment and a plurality of lower ends equipment, and volume of transmitted data is little, and it is convenient to use and develop.
For achieving the above object, the present invention adopts following technical scheme:
A kind of method for interchanging data of remote data interchanging equipment, said remote data interchanging equipment comprise that the master port that is connected with upper end equipment and at least two are connected with lower end equipment from port, comprise step:
Said from each from each upstream data of port reception;
From said upstream data, extract link information according to said data combination/analysis mode, and carry out first operational processes according to preset processing mode;
According to preset separating/framing mechanism, the IQ data of each said upstream data are separated the parallel data that frame is different passages respectively;
The data of the same channels of each said upstream data are merged, become the up parallel I Q data of multichannel;
According to said preset separating/the framing mode, be up serial i Q data with the up parallel I Q data of said multichannel framing;
Information after said first operational processes and said up serial i Q data combination for going serial data on the way, and are upwards sent said uplink serial data through said master port;
From said master port downlink data receiving;
From said downlink data, extract link information according to said preset data combination/analysis mode, and carry out second operational processes according to said preset processing mode;
Information after said second operational processes and said downlink data are combined as one tunnel descending serial data, and said descending serial data is saidly sent downwards from port through each.
According to the method for interchanging data of remote data interchanging equipment of the present invention, it adopts the mode of parallel processing when the uplink and downlink data are handled; Correspondingly less demanding to the time sequence precision of data realized easily, thereby helped extensive use; In addition, when upstream data is handled, merge processing to the data of the same passage of different port; The synthetic serial data of going on the way of the data set of the different passages after will merging again; Correspondingly reduced the data volume that upwards transmits, volume of transmitted data is little, can effectively utilize the resource of wireless network.
Description of drawings
Fig. 1 is the networking structure sketch map of a kind of wireless network of the prior art;
Fig. 2 is the general illustration of frame structure;
Fig. 3 is remote data interchanging equipment of the present invention and other near-end machines, the remote termination structural representation when forming cordless communication network;
Fig. 4 is the structural representation of remote data interchanging equipment embodiment one of the present invention;
Fig. 5 is the structural representation of the first link information processing module in the foregoing description one;
Fig. 6 is the structural representation of the IQ data processing module in the foregoing description one;
Fig. 7 is the structural representation of the second link information processing module in the foregoing description one;
Fig. 8 is the structural representation of remote data interchanging equipment embodiment two of the present invention;
Fig. 9 is the structural representation of the 2nd IQ data processing module in the foregoing description two;
Figure 10 is the schematic flow sheet that method for interchanging data of the present invention is handled the embodiment of upstream data;
Figure 11 is the principle schematic that the present invention extracts the data of the same passage of different port;
Figure 12 is the schematic flow sheet that method for interchanging data of the present invention is handled the embodiment one of downlink data;
Figure 13 is the schematic flow sheet that method for interchanging data of the present invention is handled the embodiment two of downlink data.
Embodiment
In existing wireless communication technology, according to the difference of concrete protocol type, the different agreement of for example different communication standards, different self-defining agreement of manufacturer or the like; The form of the frame structure that is adopted is also different, but has generally included the two large divisions, i.e. link information and IQ data two parts; As shown in Figure 2, wherein, link information generally comprises contents such as upper layer application information, bottom application message or manufacturer's self-defined information; Generally include non real-time property information, for example light path time delay information, route net table information, monitor message, indication information or the like, and the IQ data owner will refer to the employing data of bottom link transmission or need carry out the data of high-speed transfer; According to the difference of concrete host-host protocol, link information, IQ data are residing position difference to some extent in frame, and the information of representative is also not necessarily identical; In addition, according to the difference of concrete host-host protocol, the difference of the data volume that the IQ data are comprised; The framing mode of IQ data is difference to some extent also, and the time span of frame is also not necessarily identical, and link information, the shared time span of IQ data in the frame data also are not quite similar; Therefore; Needs for convenience of description in the present invention program, only comprise that with frame structure above-mentioned link information, IQ data describe; Concrete frame structure is formed mode, can be different according to the difference of the concrete host-host protocol that adopts.
As shown in Figure 3; Structural representation when being remote data interchanging equipment of the present invention and other near-end machines, remote termination composition cordless communication network; Remote data interchanging equipment of the present invention is connected with a upper end equipment, and realization is communicated by letter with upper end equipment, is connected with a plurality of lower ends equipment simultaneously; Realization is communicated by letter with lower end equipment, and this lower end equipment can be the remote termination of the lower end shown in Fig. 3.
The specific embodiment that at first is directed against remote data interchanging equipment of the present invention below is described in detail.
Embodiment one:
As shown in Figure 4, be the structural representation of remote data interchanging equipment embodiment one of the present invention.
As shown in the figure; In the present embodiment; Remote data interchanging equipment of the present invention specifically comprises: be used for the master port that is connected with upper end equipment; Be used for being connected at least two and plural from port with lower end equipment; The downlink data receiver module 201 that is connected with said master port, upstream data sending module 105; With each said downlink data sending module 204, upstream data receiver module 101 that is connected from port; The first link information processing module 102, the IQ data processing module 103 that are connected with said upstream data receiver module 101; Be connected in the upstream data composite module 104 between the said first link information processing module 102, a said IQ data processing module 103 and the said upstream data sending module 105, the second link information processing module 202 that is connected with said downlink data receiver module 201, and the downlink data composite module 203 that is connected between said downlink data receiver module 201, the said second link information processing module 202 and the downlink data sending module 204.
When carrying out exchanges data, on up direction:
Upstream data receiver module 101 identification when preamble from port, suppose from port add up to N, when the number from port of preamble is that M is individual; Wherein N is that integer, M more than or equal to 2 are the integer more than or equal to 1; And N is greater than or equal to M, and upstream data receiver module 101 is through each the said upstream data from each said lower end equipment of port reception when preamble, after receiving each upstream data; Can earlier each upstream data be given buffer memory, with convenient follow-up processing procedure;
The first link information processing module 102 is extracted link information from the upstream data that said upstream data receiver module 101 is received.And according to preset processing mode, the link information that needs are handled carries out relevant treatment, is called first operational processes at this, and the link information after first operational processes is sent to upstream data composite module 104;
Preset the separating of the one IQ data processing module 103 bases/framing mechanism is respectively to separating frame from each said upstream data that receives from port; To be decomposed into the parallel data of different passages from IQ data from the upstream data that port received respectively respectively, promptly all be decomposed into the parallel data of different passages from any IQ data from the upstream data that port received; Separate the parallel IQ data behind the frame to variant from port then, the data of difference from the same passage of port are merged, merge into the up parallel I Q data of multichannel; And, the up parallel I Q data of above-mentioned multichannel framing is capable serial i Q data on the way, and should up serial i Q data sends to the upstream data composite module according to preset separating/framing mechanism;
Up serial i Q data combination after upstream data composite module 104 is handled according to link information and the IQ data processing module 103 of preset data combination/analysis mode after with said first operational processes is for going serial data on the way, and with this uplink serial data to 105 transmissions of upstream data sending module;
After upstream data sending module 105 receives above-mentioned uplink serial data; This uplink serial data is sent to said upper end equipment through said master port; Concrete send mode can be, whether upstream data sending module 105 identification master ports are synchronous, and concrete application can show as the modes such as cycle index signal that equipment sends from the upper end that receive; When master port is synchronous, this uplink serial data is sent to upper end equipment through master port.
On down direction:
Downlink data receiver module 201 identification master ports whether with the upper end device synchronization; For example, judge through judging whether to receive the modes such as cycle index signal that equipment sends from the upper end, if synchronously; Then receive the downlink data of upper end equipment through master port; Receive after the downlink data, can earlier this downlink data be given buffer memory, with convenient follow-up processing procedure;
The second link information processing module 202 is extracted link information from the downlink data that downlink data receiver module 201 is received; And according to preset processing mode; The link information that needs are handled carries out relevant treatment; Be called second operational processes at this, and the link information after second operational processes is sent to downlink data composite module 203;
Downlink data composite module 203 makes up according to the downlink data that link information and the downlink data receiver module 201 of said preset data combination/analysis mode after with said second operational processes received; Normally the link information after second operational processes is replaced the link information data of the appropriate section in the said downlink data; And be combined as one tunnel descending serial data; And should descending serial data send to downlink data sending module 204
Downlink data sending module 204 receives the descending serial data after above-mentioned downlink data composite module 203 combinations; And descending serial data saidly sent to each lower end equipment from port through each, wherein, this mode of sending downwards can be that broadcasting is sent; Concrete mode can be; Downlink data sending module 204 identification when preamble from port, concrete application can show as the modes such as cycle index signal that equipment sends from the lower end that receive, and through from port descending serial data being sent to relevant lower end equipment when preamble; By that analogy, until this downlink data has been sent to each lower end equipment through all from port.
According to the scheme of the invention described above, on processing mode, adopt the parallel processing mode to upstream data, downlink data, adopt different modes respectively upstream data, downlink data to be handled; When upstream data is transmitted, owing to possibly transmit the upstream data that receives from port from a plurality of simultaneously, therefore; After each upstream data being combined as capable on the way serial data, upwards send, realize that serial merges, and has correspondingly reduced the size to the data volume of transmitting data; Improved the processing speed of remote data interchanging equipment, reduced the processing time-delay of local data, raised the efficiency; In addition, it only needs the uplink and downlink data that will upload or pass are down handled, and processing mode is comparatively simple; Realize that easily less demanding to the chip of use equipment, equipment cost is lower.
Wherein, In the above-mentioned processing mode on up direction, down direction to swap data; According to the difference of the concrete host-host protocol that adopts, content and arrangement mode that link information, IQ data are comprised are also different, correspondingly; Above-mentioned preset processing mode, preset data combination/analysis mode, preset separating/framing mechanism or the like are also different according to the difference of the concrete host-host protocol that adopts, and do not give unnecessary details one by one to each host-host protocol at this.
In addition, according to the difference of the concrete concrete host-host protocol that adopts, the processing mode of above-mentioned first operational processes, second operational processes is also different; Particularly; For some host-host protocol that is adopted, all need handle for the link information that is extracted, and for some host-host protocol that is adopted; Possibly only need carry out substantial processing to the part in the link information that is extracted; For example only need the indication information that comprised in the link information, monitor message etc. are handled, therefore, need to prove; Mentioned first operational processes, second operational processes to link information carried out should be to comprise above-mentioned two kinds of situation in the present invention program, is to wherein a kind of qualification of mode and should not regard as.
For example, be example with above-mentioned first operational processes, suppose from the upstream data that port received, to have extracted link information from M of working as preamble respectively; Promptly; The number of corresponding link information is M, for this M link information, according to the concrete agreement that is adopted; The union operation processing mode that is adopted can be: for the link information data corresponding to same position in the frame; According to the difference that sets rule in advance, go out maximum, minimum value, median or other values effective value from each link information extracting data, by that analogy as current location data corresponding to this position; Adopt different effective values respectively for different positions from the port link data; These effective values are formed a new link information, the line correlation operational processes of going forward side by side, or after each link information being carried out the associative operation processing, extract the different effective value according to the difference of preset rules again and form new link information; Or; According to predefined significance bit; When comprising this significance bit link informations from some from the upstream data that port received; Should be from port link corresponding information as effective link information, and with other abandon from the pairing link information of port, according to the concrete difference that adopts mode and different.
In addition; With said second operational processes is example; It can be the routing table information that is comprised in the link information; Can comprise the routing table information processing is for example extracted the routing iinformation relevant with this remote data interchanging equipment from this routing table information, and will issue or the like except other routing iinformations relevant with this switching equipment carrying out second operational processes.
In addition; Remote data interchanging equipment of the present invention; Can also comprise a local data processing module (not shown) and the antenna equipment (not shown) that is connected with this local data processing module; This local data processing module is connected with said downlink data receiver module 201, be used for according to preset processing mode downlink data being carried out sending through antenna equipment after the 3rd operational processes, thereby remote data interchanging equipment of the present invention has under the situation of corresponding disposal ability; When in return equipment uses; Can also use as a remote termination, thereby can increase mobile network's coverage rate greatly, more be of value to the optimization and the development of system.
As shown in Figure 5, be the structural representation of the first link information processing module 102 in the present embodiment one, it specifically comprises:
The first link information extraction module 1021 that is connected with upstream data receiver module 101 is used for extracting link information from the upstream data that said upstream data receiver module 101 is received;
Be connected in the first operational processes module 1022 between said first link information extraction module 1021 and the upstream data composite module 104; Be used for according to said preset processing mode; The link information that needs are handled carries out relevant treatment; Be called first operational processes, and the link information after first operational processes is sent to upstream data composite module 104.
As shown in Figure 6, be the structural representation of the IQ data processing module 103 in the present embodiment one, it specifically comprises:
The up IQ data parallel processing module 1031 that is connected with upstream data receiver module 101; Be used for according to said preset separating/framing mechanism respectively to separating frame from each said upstream data that receives from port; To be decomposed into the parallel data of different passages from IQ data from the upstream data that port received respectively respectively, promptly all be decomposed into the parallel data of different passages from any IQ data from the upstream data that port received;
With the same channel data parallel processing module 1032 that said IQ data parallel processing module 1031 is connected, be used for the data of difference from the same passage of port are merged, merge into the up parallel I Q data of multichannel;
Be connected in said with the up IQ data serial processing module 1033 between channel data parallel processing module 1032 and the upstream data composite module 104; Be used for according to said preset separating/framing mechanism; The up parallel I Q data of above-mentioned multichannel framing for going serial i Q data on the way, and should up serial i Q data be sent to the upstream data composite module.
As shown in Figure 7, be the structural representation of the second link information processing module 202 in the present embodiment one, it specifically comprises:
The second link information extraction module 2021 that is connected with downlink data receiver module 201 is used for extracting link information from the downlink data that downlink data receiver module 201 is received;
Be connected in the second operational processes module 2022 between said second link information extraction module 2021 and the downlink data composite module; Be used for according to said preset processing mode; The link information that needs are handled carries out relevant treatment; Be called second operational processes, and the link information after second operational processes is sent to downlink data composite module 203.
Wherein, in present embodiment one, above-mentioned preset processing mode follows the difference of the concrete communication system that adopted, concrete host-host protocol can be different, and generally, above-mentioned the 3rd operational processes comprises operational processes modes such as digital-to-analogue conversion.
Wherein, Remote data interchanging equipment of the present invention; Can be applicable to GSM (Global System forMobile communication; Global system for mobile communications), TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, the CDMA that the time-division is synchronous), WCDMA (Wideband Code-division Multiple Access, broadband demal multiplex (MUX) access), CDMA2000 (CDMA; Code-division Multiple Access, CDMA multiplexing) etc. in the communication system of communication standard.
Embodiment two:
As shown in Figure 8, be the structural representation of remote data interchanging equipment embodiment two of the present invention.
As shown in the figure, in the present embodiment, mainly be with the difference of the foregoing description one, in the present embodiment, also comprise: be connected in the 2nd IQ data processing module 205 between said downlink data receiver module 201 and the downlink data composite module 203.
Said the 2nd IQ data processing module 205; Be used for said downlink data being separated frame according to said preset separating/framing mechanism; Extract the IQ data of different passages; Be converted into the descending parallel I Q data of multichannel, and, be one tunnel descending serial i Q data the descending parallel I Q data of said multichannel framing according to said preset separating/framing mechanism.
At this moment; Said downlink data composite module 203; Be used for the descending serial i Q data that the said second link information processing module 202 is carried out after link information and said the 2nd IQ data processing module 205 after second operational processes handled are made up; Be combined as one tunnel descending serial data, and should descending serial data send to downlink data sending module 204 and send downwards.
In addition, the remote data interchanging equipment in the present embodiment can also comprise a local data processing module (not shown) and the antenna equipment (not shown) that is connected with this local data processing module.
Wherein, This local data processing module can be connected with said downlink data receiver module 201; Be used for said downlink data being handled accordingly, be called the 3rd operational processes, and the information data after the 3rd operational processes is sent through antenna equipment at this according to said preset processing mode.
This local data processing module; Can also be to be connected with said the 2nd IQ data processing module 205; Being used for according to said preset processing mode the 2nd IQ data processing module 205 being handled the descending parallel I Q data of multichannel that obtain afterwards handles; Be called the 4th operational processes at this, and the information data after the 4th operational processes is sent through antenna equipment.
Thereby; Remote data interchanging equipment of the present invention has under the situation of needed disposal ability, when in return equipment uses, can also use as a remote termination; Thereby can increase mobile network's coverage rate greatly, more be of value to the optimization and the development of system.
As shown in Figure 9, be the structural representation of the 2nd IQ data processing module 205 in the present embodiment, it specifically comprises:
The descending IQ data parallel processing module 2051 that is connected with downlink data receiver module 201 is used for according to said preset separating/framing mechanism said downlink data being separated frame, extracts the IQ data of different passages, is converted into the descending parallel I Q data of multichannel;
Be connected in the descending IQ data serial processing module between said IQ data parallel processing module 2051 and the downlink data composite module 203; Being used for according to said preset separating/framing mechanism, is one tunnel descending serial i Q data with the descending parallel I Q data of said multichannel framing.
Wherein, In the present embodiment, above-mentioned preset processing mode, preset separating/framing mechanism follow the difference of the concrete communication system that is adopted, concrete host-host protocol can be different; Generally, above-mentioned the 3rd operational processes, the 4th operational processes comprise operational processes modes such as digital-to-analogue conversion.
Identical among other technologies characteristic in the present embodiment and the embodiment one do not repeat them here.
To above-mentioned remote data interchanging equipment, the present invention also provides the method for interchanging data of remote data interchanging equipment, and below each embodiment to method for interchanging data of the present invention is described in detail.
Shown in figure 10, be the schematic flow sheet that method for interchanging data of the present invention is handled the embodiment of upstream data.
Shown in figure 10, when upstream data is handled, specifically comprise step:
Step S101: identification when preamble from port, get into step S102;
Step S102:, get into step S103, step S105 from the said synchronous upstream data that respectively equipment is uploaded from port reception lower end;
Step S103: according to preset data combination/analysis mode, extract respectively, get into step S104 from the link information from the upstream data that port receives respectively;
Step S104: according to preset processing mode, above-mentioned each link information is carried out corresponding operational processes, be called first operational processes, get into step S108 at this;
Step S105: according to preset separating/framing mechanism; To separate the parallel I Q data that frame is variant passage from the upstream data that respectively receives respectively from port; Promptly all be broken down into the parallel I Q data of different passages from the upstream data that port received from any one, get into step S106;
Step S106: to respectively merging, be converted into the up parallel I Q data of multichannel, get into step S107 from the IQ data of the same channels of port;
Step S107:, the up parallel I Q data of said multichannel framing for going serial i Q data on the way, is got into step S108 according to preset separating/framing mechanism;
Step S108:, the link information after above-mentioned first operational processes and above-mentioned up serial i Q data combination for going serial data on the way, are got into step S109 according to preset data combination/analysis mode;
Step S109: the uplink serial data after the combinations thereof is sent to upper end equipment through master port.
Priority processing sequence between above-mentioned steps S103, S104 and step S105, S106, the S107; Can not be limited to fixing order; Difference according to concrete application can be different; For example according to the difference of current processing speed, can allow the two is the difference of carrying out or have between the two sequencing simultaneously.
Wherein, in said step S101, judging respectively from port whether synchronously the time; Concrete implementation can be: judge whether to receive the cycle index signal that equipment sends from the lower end, for example, suppose that from the total number of port be N; The current number from port that has received the cycle index signal is M, and promptly the number from port when preamble is M, and wherein N is the integer more than or equal to 2; M is the integer more than or equal to 1, and N is greater than or equal to M.
In addition; Above-mentioned preset data combination/analysis mode, preset separating/framing mechanism, preset processing mode etc. are according to the difference of the concrete host-host protocol that adopts and different, correspondingly; First operational processes under the different transport protocols also is not quite similar, and does not give unnecessary details one by one at this.
In addition, in above-mentioned steps S102, after receiving downlink data, can earlier this downlink data be given buffer memory.
Wherein, among the said step S106, when the data with same passage merge; Specifically can be, according to the periodicity index signal that cycle data produced, in the periodicity moment or timeslice; Data to these synchronous a plurality of same passages from port merge; Wherein, this is index signal periodically, confirms according to the concrete communication protocol that adopts.
Shown in figure 11, be the principle schematic that the present invention extracts the data of the same passage of different port.In this diagram, be that example describes with passage k.
Shown in figure 11, according to the concrete communication protocol that adopts, produce one-period property index signal constantly at t; At this moment; Constantly obtain simultaneously respectively from the data of the passage k of port at t, because through after the separating frame and handle of step S105, the data of the different passages of variant port all are separate; Do not have the influence of time delay each other, thus can be comparatively easily in the data of the same passage of same periodicity extraction different port.Obtaining respectively after the data of the passage k of port, it is merged, merge into the data of a paths k, concrete merging processing procedure, according to concrete communication protocol that adopts or the preset difference that merges processing mode, can be different.
According to above-mentioned processing mode, can be identical to the processing mode of other passages with above-mentioned processing to passage k, do not repeat them here.
In addition; Among the said step S109, when uplink serial data was upwards sent, concrete processing mode can be; Whether at first discern this master port synchronous; Specifically can show as whether receive the cycle index signal that equipment sends from the upper end,, then uplink serial data upwards sent through master port if synchronously.
Shown in figure 12, be the schematic flow sheet that method for interchanging data of the present invention is handled the embodiment one of downlink data, it comprises step:
Step S201: whether the identification master port is synchronous; If; Then get into step S102, if not, then continue to detect the synchronous of identification master port; Wherein, the identification master port whether synchronous mode can be through judging whether that the mode that receives the cycle index signal that equipment sends over from the upper end carries out;
Step S202: receive the downlink data that equipment sends over from the upper end from master port, get into step S203;
Step S203: from said downlink data, extract corresponding link information according to preset data combination/analysis mode, get into step S204;
Step S204: according to preset processing mode needs in the above-mentioned link information are carried out information processed and carry out handled; Be called second operational processes at this; Wherein, concrete processing mode can be different according to the difference of the concrete host-host protocol that adopts, and gets into step S205;
Step S205: make up according to the link information and the above-mentioned downlink data of above-mentioned preset data combination/analysis mode after with above-mentioned second operational processes; Be combined as one tunnel descending serial data, wherein, concrete compound mode can be; Difference according to the frame format that concrete host-host protocol adopted; Link information after handling is displaced the link information of correspondence position in the line data, realize combination, get into step S206;
Step S206: with the descending serial data after the said combination through respectively sending to downstream plant from port.
In addition, in said step S202, after receiving downlink data, can earlier this downlink data be given buffer memory, with the processing procedure in convenient follow-up each step, especially under the bigger situation of downlink data amount, for follow-up processing procedure facilitates.
In addition, in said step S206, through respectively from port when lower end equipment sends descending serial data; Specifically can be: at first identification when preamble from port; Specifically can show as and judge whether to receive the cycle index signal of sending from each lower end equipment, if synchronously, then will this descending serial data to working as respectively sending of preamble from port; By that analogy, all up to this downlink data has been sent to from port.
In addition; In the processing method of present embodiment to downlink data; Can also comprise step: according to said preset processing mode said downlink data is handled, be called the 3rd operational processes, and the data message after said the 3rd operational processes is sent through the antenna end of this locality at this.Thereby, when needs use this remote data interchanging equipment as a remote termination, can realize processing to related data information.
Wherein, Preset data combination/analysis mode in the above-mentioned present embodiment, preset processing mode; Difference according to the concrete host-host protocol that adopts can be different, and the contents processing of correspondingly above-mentioned second operational processes, the 3rd operational processes also is not quite similar, and does not give unnecessary details one by one at this.
Shown in figure 13, be the schematic flow sheet that method for interchanging data of the present invention is handled the embodiment two of downlink data.
In the present embodiment, the difference with above-mentioned downstream data processing method embodiment one is that mainly the method in the present embodiment has increased the treatment step to the IQ data of downlink data.
Shown in figure 13, in the present embodiment, the processing method of downlink data is mainly comprised step:
Step S301: whether the identification master port is synchronous, if then get into step S302;
Step S302: receive the downlink data that equipment sends from the upper end from master port, get into step S303, step S305;
Step S303: from said downlink data, extract corresponding link information according to preset data combination/analysis mode, get into step S304;
Step S304: according to preset processing mode needs in the above-mentioned link information are carried out information processed and carry out handled; Be called second operational processes; Wherein, concrete processing mode can be different according to the difference of the concrete host-host protocol that adopts, and gets into step S305;
Step S305: according to preset separating/framing mechanism, downlink data is separated frame, extract the IQ data of different passages in the downlink data, making the IQ data conversion in the downlink data is the descending parallel I Q data of multichannel, and getting into step is 306;
Step S306: according to preset separating/framing mechanism, be one tunnel descending serial i Q data, get into step S307 with the descending parallel I Q data of said multichannel framing;
Step S307: make up according to the link information and the above-mentioned descending serial i Q data of above-mentioned preset data combination/analysis mode after, be combined as one tunnel descending serial data, get into step S308 with above-mentioned second operational processes;
Step S308: with the descending serial data after the said combination through respectively sending to downstream plant from port.
According to the processing method in the above-mentioned present embodiment to downlink data; When extracting link information and it carried out first operational processes; Also the IQ data in the downlink data are separated the processing of frame, framing; Thereby in follow-up anabolic process, can directly link information after second operational processes and serial i Q data be carried out combined treatment.Wherein, in said step S307, when the link information after second operational processes and serial i Q data are made up; Concrete mode can be; According to the difference of the frame structure of the concrete agreement that adopts, link information is inserted into the correspondence position of serial i Q data, to realize combination.
Wherein, Priority processing sequence between above-mentioned steps S303, S304 and step S305, the S306 can not be limited to fixing order, can be different according to the difference of concrete application; For example, can allow to have between the two the difference of sequencing according to the difference of current processing speed.
In addition, in the processing method of present embodiment, can also comprise step to downlink data:
According to preset processing mode, said downlink data is carried out associative operation handle, be called the 3rd operational processes at this, and the data message after the 3rd operational processes is sent through the antenna end of this locality;
Or:
According to preset processing mode, the descending parallel I Q data of multichannel of separating among the said step S305 behind the frame are carried out relevant treatment, be called the 4th operational processes at this, and the result after said the 4th operational processes is sent through the antenna end of this locality.
Thereby when needs used this remote data interchanging equipment as a remote termination, the inventive method can also realize the processing to related data information.
Wherein, Preset data combination/analysis mode in the above-mentioned present embodiment, preset separating/framing mechanism, preset processing mode; Difference according to the concrete host-host protocol that adopts can be different; The concrete contents processing of correspondingly above-mentioned second operational processes, the 3rd operational processes, the 4th operational processes etc. also is not quite similar, and does not give unnecessary details one by one at this.
Other technologies characteristic in the present embodiment and above-mentioned identical among the downstream data processing method embodiment one do not repeat them here.
In addition, according to the difference of the concrete concrete host-host protocol that adopts, the processing mode of above-mentioned first operational processes, second operational processes is also different; Particularly; For some host-host protocol that is adopted, all need handle for the link information that is extracted, and for some host-host protocol that is adopted; Possibly only need carry out substantial processing to the part in the link information that is extracted; For example only need the indication information that comprised in the link information, monitor message etc. are handled, therefore, need to prove; Mentioned first operational processes, second operational processes to link information carried out should be to comprise above-mentioned two kinds of situation in the present invention program; And under situation the about only part in the link information being handled, the information data after described first operational processes or second operational processes should comprise the information data after the processing and not carry out the information processed data in this processing procedure, be to wherein a kind of qualification of mode and should not regard as.
Wherein, The method for interchanging data of the remote data interchanging equipment of the invention described above; Can be applicable to GSM (Global System for Mobile communication; Global system for mobile communications), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, the CDMA that the time-division is synchronous), WCDMA (Wideband Code-division Multiple Access, broadband demal multiplex (MUX) access), CDMA2000 (CDMA; Code-division Multiple Access, CDMA multiplexing) etc. in the communication system of communication standard.
Each execution mode of above-described the present invention does not constitute the qualification to protection range of the present invention.Any modification of within spirit of the present invention and principle, being done, be equal to replacement and improvement etc., all should be included within the claim protection range of the present invention.
Claims (11)
1. remote data interchanging equipment comprises: be used for the master port that is connected with upper end equipment, at least two of being used for being connected with lower end equipment and plural from port;
With the said upstream data receiver module that respectively is connected, be used for through each said upstream data that receives each said lower end equipment from port from port;
The first link information processing module that is connected with said upstream data receiver module is used for extracting link information and according to preset processing mode this link information being carried out first operational processes from said upstream data;
An IQ data processing module that is connected with said upstream data receiver module; Be used for each said upstream data from port being separated frame according to preset separating/framing mechanism; Will be from respectively receiving the parallel data that IQ data the data are decomposed into different passages respectively from port; Data to variant same passage from port merge; Become the up parallel I Q data of multichannel, and according to said preset separating/framing mechanism, the up parallel I Q data of said multichannel framing is capable serial i Q data on the way;
With the upstream data composite module that the said first link information processing module, a said IQ data processing module are connected, be used for according to link information and the said up serial i Q data combination of preset data combination/analysis mode after for going serial data on the way with said first operational processes;
And be connected in the upstream data sending module between said upstream data composite module and the said master port, be used for said uplink serial data being sent to said upper end equipment through said master port;
Also comprise:
The downlink data receiver module that is connected with said master port is used for receiving through said master port the downlink data of said upper end equipment;
The second link information processing module that is connected with said downlink data receiver module is used for extracting link information from said downlink data, and according to said preset processing mode this link information is carried out second operational processes;
With the downlink data composite module that said downlink data receiver module, the said second link information processing module are connected, be used for being combined as one tunnel descending serial data according to the link information and the said downlink data of said preset data combination/analysis mode after with said second operational processes;
Be connected in said downlink data composite module and each is said from the downlink data sending module between the port, be used for saidly said descending serial data being sent to each said lower end equipment from port through each.
2. remote data interchanging equipment according to claim 1 is characterized in that, also comprises:
Be connected in the 2nd IQ data processing module between said downlink data receiver module and the said downlink data composite module; Be used for said downlink data being separated frame according to said preset separating/framing mechanism; Extract the IQ data of different passages; Be converted into the descending parallel I Q data of multichannel, and, be one tunnel descending serial i Q data the descending parallel I Q data of said multichannel framing according to said preset separating/framing mechanism;
Said downlink data composite module, being used for link information after said second operational processes and said descending serial i Q data combination is one tunnel descending serial data.
3. remote data interchanging equipment according to claim 1 and 2 is characterized in that, also comprises:
The local data processing module that is connected with said downlink data receiver module, and the antenna equipment that is connected with said local data processing module,
Said local data processing module is used for according to said preset processing mode the downlink data that said downlink data receiver module receives being carried out the 3rd operational processes, and the information after said the 3rd operational processes is sent through said antenna equipment.
4. remote data interchanging equipment according to claim 2 is characterized in that, also comprises:
The local data processing module that is connected with said the 2nd IQ data processing module, and the antenna equipment that is connected with said local data processing module,
Said local data processing module is used for according to said preset processing mode the descending parallel I Q data of said multichannel being carried out the 4th operational processes, and the information after said the 4th operational processes is sent through said antenna equipment.
5. the method for interchanging data of a remote data interchanging equipment, said remote data interchanging equipment comprise that the master port that is connected with upper end equipment and at least two are connected with lower end equipment from port, comprise step:
Said from each from each upstream data of port reception;
From said upstream data, extract link information according to preset data combination/analysis mode, and this link information is carried out first operational processes according to preset processing mode;
According to preset separating/framing mechanism, the IQ data of each said upstream data are separated the parallel data that frame is different passages respectively;
The data of the same channels of each said upstream data are merged, become the up parallel I Q data of multichannel;
According to said preset separating/the framing mode, be up serial i Q data with the up parallel I Q data of said multichannel framing;
Link information after said first operational processes and said up serial i Q data combination for going serial data on the way, and are upwards sent said uplink serial data through said master port;
From said master port downlink data receiving;
From said downlink data, extract link information according to said preset data combination/analysis mode, and this link information is carried out second operational processes according to said preset processing mode;
Link information after said second operational processes and said downlink data are combined as one tunnel descending serial data, and said descending serial data is saidly sent downwards from port through each.
6. method for interchanging data according to claim 5 is characterized in that, before the link information after said second operational processes and said downlink data are combined as one tunnel descending serial data, also comprises step:
According to said preset separating/framing mechanism the IQ data of said downlink data being separated frame is the descending parallel I Q data of multichannel;
Preset separating/framing mechanism is one tunnel descending serial i Q data with the descending parallel I Q data of said multichannel framing according to said.
7. according to claim 5 or 6 described method for interchanging data, it is characterized in that,
Before said master port downlink data receiving, also comprise step:
Whether synchronous, if synchronously, then begin downlink data receiving if discerning said master port;
From each said receive each upstream data from port before, also comprise step:
Identification when preamble respectively from port, and synchronous receive upstream data from port from said.
8. according to claim 5 or 6 described method for interchanging data, it is characterized in that,
Before the descending serial data of said transmission, also comprise step:
Discern synchronous from port, and with said descending serial data to said synchronous sending from port;
Before said transmission uplink serial data, also comprise step:
Whether synchronous, if synchronously, then said uplink serial data is sent to said master port if discerning said master port.
9. according to claim 5 or 6 described method for interchanging data, it is characterized in that, also comprise step:
According to said preset processing mode the downlink data that receives from said master port is carried out the 3rd operational processes, and the antenna equipment of the data message after said the 3rd operational processes through this locality sent.
10. method for interchanging data according to claim 6 is characterized in that, also comprises step:
According to said preset processing mode the descending parallel I Q data of said multichannel are carried out the 4th operational processes, and the antenna equipment of the data message after said the 4th operational processes through this locality sent.
11. according to claim 5 or 6 described method for interchanging data, it is characterized in that,
After said master port downlink data receiving, also comprise step: the said downlink data to receiving carries out buffer memory;
Said after port receives each upstream data from each, also comprise step: the said upstream data to receiving carries out buffer memory.
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| CN111885199B (en) * | 2020-07-31 | 2021-08-27 | 北京微步在线科技有限公司 | Data transmission method |
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| KR20060078808A (en) * | 2004-12-31 | 2006-07-05 | 삼성탈레스 주식회사 | Base station system for proceeding service of interchange radio frequency signal in shadow area |
| CN1852513A (en) * | 2006-04-30 | 2006-10-25 | 中兴通讯股份有限公司 | Method for obtaining neighbor base station information to realize self-adoptive group network |
| CN101232651A (en) * | 2007-01-23 | 2008-07-30 | 中兴通讯股份有限公司 | Radio frequency zoom out equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060078808A (en) * | 2004-12-31 | 2006-07-05 | 삼성탈레스 주식회사 | Base station system for proceeding service of interchange radio frequency signal in shadow area |
| CN1852513A (en) * | 2006-04-30 | 2006-10-25 | 中兴通讯股份有限公司 | Method for obtaining neighbor base station information to realize self-adoptive group network |
| CN101232651A (en) * | 2007-01-23 | 2008-07-30 | 中兴通讯股份有限公司 | Radio frequency zoom out equipment |
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