CN102711134A - Inter-site wireless interconnection system, method and site - Google Patents
Inter-site wireless interconnection system, method and site Download PDFInfo
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- CN102711134A CN102711134A CN2012101656536A CN201210165653A CN102711134A CN 102711134 A CN102711134 A CN 102711134A CN 2012101656536 A CN2012101656536 A CN 2012101656536A CN 201210165653 A CN201210165653 A CN 201210165653A CN 102711134 A CN102711134 A CN 102711134A
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Abstract
The invention relates to the field of communication technology, and discloses an inter-site wireless interconnection system, a method and a site. The system comprises a plurality of sites, wherein at least one site includes an access layer transit station and a link layer transit station connected with each other through internet links; and other sites comprises at least an access layer transit station; the access layer transit station is used for system access of a terminal; the link layer transit station is used for wireless interconnection between the sites; and each transit station can transmit and receive signals by using the same frequency but different time slots. According to the inter-site wireless interconnection system, method and site provided by the invention, the frequency resources can be saved, and the equipment complexity can be lowered.
Description
Technical field
The present invention relates to communication technical field, more particularly, relate to wireless telecommunication systems, method and website between a kind of website.
Background technology
In radio communication, the communication range at terminal generally is limited, so need to increase the coverage that transferring equipment increases signal.In wireless intercom system, intermediate station is for increasing communication distance, and extended coverage range is being played the part of extremely important role, is the indispensable visual plant of professional wireless telecommunication system.
Intermediate station is typically designed as a kind of power amplification device of effective increase radio communication coverage area; Present conventional DMR (Digital Mobile Radio; Digital mobile radio) intermediate station adopts TDMA (Time Divide Multi Address, time division multiple access) mode, takies two frequencies; Realize the transmitting-receiving alien frequencies, two time slots work alone.
Because intermediate station will be received and dispatched on different frequencies simultaneously; For fear of the interference between the transmitting-receiving, intermediate station need assemble a duplexer in use, not only takies more frequency resource; Increased cost of device; And complex structure, especially for minisystem, this problem can be more obvious.
In addition, in the prior art, owing to can't directly communicate between the intermediate station through the radio frequency of eating dishes without rice or wine; Therefore to carry out interconnected between the intermediate station; Need through conversion of signals,, insert third party's public network (like IP network, E1 wireless transmission net etc.) transmission again as the DMR conversion of signals is become third party's protocol format; Not only influenced its autgmentability, and transfer process is complicated.
Summary of the invention
The embodiment of the invention provides wireless telecommunication systems, method and website between a kind of website to the problems referred to above that exist in the prior art, to save frequency resource, reduces the complex equipments degree.
For this reason, the embodiment of the invention provides following technical scheme:
Wireless telecommunication systems between a kind of website comprises: a plurality of websites;
Wherein have at least a website to comprise: through the Access Layer intermediate station and the link layer intermediate station of Internetwork link connection;
Other website comprises at least: the Access Layer intermediate station;
Said Access Layer intermediate station is used for the terminal and carries out system's access; Said link layer intermediate station is used for wireless interconnected between the website; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.
Wireless interconnected method between a kind of website, said website comprises: through the Access Layer intermediate station and the link layer intermediate station of Internetwork link connection; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal;
Said method comprises:
Carrying out the terminal through the Access Layer intermediate station in the website inserts;
Carry out wireless interconnected between the website through the link layer intermediate station in the website; Link layer intermediate station in the same website is connected through Internetwork link with the Access Layer intermediate station.
A kind of website comprises: through the Access Layer intermediate station and the link layer intermediate station of Internetwork link connection; Said Access Layer intermediate station is used for the terminal and carries out system's access; Said link layer intermediate station is used for wireless interconnected between the website; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.
Wireless telecommunication systems, method and website between the website that the embodiment of the invention provides; The link layer intermediate station that links to each other with the Access Layer intermediate station through Internetwork link is set in website; Utilize the link layer intermediate station to realize wireless interconnected between the website; Therefore need not increase additional hardware conversion equipment and expense, and networking flexibility, autgmentability is strong.
Because each intermediate station adopts single-frequency, different time-gap to carry out receiving and transmitting signal, therefore can save frequency and duplexer effectively, reduces the probability of happening of frequency conflicts, improves the stability of system.
In addition, interconnected through wireless mode between the website, insensitive to Doppler effect, each website is under the situation of mobile status still can reach communication effect preferably.
Description of drawings
Fig. 1 is the networking sketch map of wireless telecommunication systems embodiment 1 between website of the present invention;
Fig. 2 is the networking sketch map of wireless telecommunication systems embodiment 2 between website of the present invention;
Fig. 3 is the networking sketch map of wireless telecommunication systems embodiment 3 between website of the present invention;
Fig. 4 is the sequential synchronization principles figure of intermediate station in the embodiment of the invention;
Fig. 5 is that the intermediate station in the same website carries out synchronized transmissions or receives sketch map in the embodiment of the invention;
Fig. 6 is the flow chart of wireless interconnected method between embodiment of the invention website;
Fig. 7 is a kind of structural representation of embodiment of the invention website.
Embodiment
The existing conventional intermediate station all is designed to the equipment of signal amplification and transfer; And synchronizing datum signal is provided for terminal equipment; But do not possess the function that is synchronized on the another one reference signal, and the communication of DMR agreement must can be carried out just after carrying out synchronously between the equipment all.Because the synchronizing datum signal of each intermediate station is relatively independent, thus can't realize between the intermediate station synchronously, also just can't realize directly interconnected between the intermediate station, need be by means of third party's public network.
To the problems referred to above, wireless telecommunication systems and method between embodiment of the invention website through the link layer intermediate station that links to each other with the Access Layer intermediate station through Internetwork link is set, are utilized wireless interconnected between the link layer intermediate station realization website in website.Wherein, the Access Layer intermediate station is mainly used in the terminal to carry out system and inserts, and on the one hand, the terminal of up channel is transmitted carry out transfer and be forwarded to the link layer intermediate station through Internetwork link, and it is interconnected to carry out website by the link layer intermediate station; On the other hand, the link layer intermediate station is carried out transfer through the signal that Internetwork link transmits.The link layer intermediate station is mainly used in wireless interconnected between the website, on the one hand, up channel is carried out transfer from transmitting of another one website link layer, and is forwarded to the Access Layer intermediate station through Internetwork link, by the Access Layer calling terminal user; On the other hand, Access Layer is carried out transfer through the signal that Internetwork link transmits.
In order to make those skilled in the art person understand the scheme of the embodiment of the invention better, the embodiment of the invention is done further to specify below in conjunction with accompanying drawing and execution mode.
Embodiment 1
As shown in Figure 1, be a kind of basic networking sketch map of wireless telecommunication systems between embodiment of the invention website.
In this embodiment; Said system comprises: website 1 and website 2 wherein, are provided with Access Layer intermediate station 11 in the website 1; Be provided with Access Layer intermediate station 21 and link layer intermediate station 22 in the website 2, Access Layer intermediate station 21 and link layer intermediate station 22 are connected through Internetwork link.
In system of the present invention, each intermediate station (comprising Access Layer intermediate station and link layer intermediate station) all adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.Therefore, can save frequency and duplexer effectively, reduce the probability of happening of frequency conflicts, improve the stability of system.
Need to prove that in the system of the embodiment of the invention, disturb for fear of the same frequency between adjacent sites, the Access Layer intermediate station of adjacent sites uses different frequencies; The link layer intermediate station of adjacent sites uses identical frequency; Access Layer intermediate station in the same website uses different frequencies with the link layer intermediate station.
Continue to combine Fig. 1 below, specify the process that the terminal utilizes the wireless telecommunication systems realization call proceeding of the embodiment of the invention.
As shown in Figure 1, when the S1 calling terminal S2 of terminal, terminal S1 makes a call; After the Access Layer intermediate station 11 of website 1 receives this calling, this call forward is given the link layer intermediate station 22 of website 2 through wireless mode; Link layer intermediate station 22 is the conversion of this call progress signal, such as analog-to-digital conversion, be packaged into processing such as IP packet, is transferred to Access Layer intermediate station 21 through Internetwork link then; Access Layer intermediate station 21 carries out the IP packet of receiving to issue after the processing such as decapsulation, digital-to-analogue conversion again, and terminal S2 receives and should call out, thereby realizes the calling of terminal S1 to terminal S2.
Correspondingly, when the S2 calling terminal S1 of terminal, terminal S2 makes a call; After the Access Layer intermediate station 21 of website 2 receives this calling,, such as analog-to-digital conversion, be packaged into processing such as IP packet, be transferred to link layer intermediate station 22 through Internetwork link then with the conversion of this call progress signal; Link layer intermediate station 22 carries out the IP packet of receiving processing backs such as decapsulation, digital-to-analogue conversion again and sends to Access Layer intermediate station 11 through wireless mode; Access Layer intermediate station 11 issues this calling, and terminal S1 receives and should call out, thereby realizes the calling of terminal S2 to terminal S1.
In above-mentioned calling procedure, said link layer intermediate station 22 is forbidden emission when receiving signal through wireless mode; When transmitting, forbid receiving through wireless mode.
Wireless telecommunication systems between embodiment of the invention website is provided with the link layer intermediate station that links to each other with the Access Layer intermediate station through Internetwork link in website.Because utilize the link layer intermediate station to realize wireless interconnected between the website therefore need not increasing additional hardware conversion equipment and expense, and networking flexibility, autgmentability is strong.Because each intermediate station adopts single-frequency, different time-gap to carry out receiving and transmitting signal, therefore can save frequency and duplexer effectively, reduces the probability of happening of frequency conflicts, improves the stability of system.And the Access Layer intermediate station need not activated in the terminal, can realize connecting system faster.
Need to prove; Fig. 1 is that example is illustrated with two websites only, in actual networking, any a plurality of website can be arranged; Wherein have at least a website to comprise: the Access Layer intermediate station and the link layer intermediate station that connect through Internetwork link, to detailed description for example respectively below this.
Embodiment 2
As shown in Figure 2, be the another kind of networking sketch map of wireless telecommunication systems between embodiment of the invention website.
In this embodiment, said system comprises three websites, is respectively website 1, website 2 and website 3.Each website is provided with Access Layer intermediate station and link layer intermediate station, and is as shown in Figure 2, and website 1 comprises: Access Layer intermediate station 11 and link layer intermediate station 12.Website 2 comprises: Access Layer intermediate station 21 and link layer intermediate station 22.Website 3 comprises: Access Layer intermediate station 31 and link layer intermediate station 32.Access Layer intermediate station in each website is connected through Internetwork link with the link layer intermediate station.
Need to prove that in the wireless telecommunication systems, disturb for fear of the same frequency between adjacent sites between the website of the embodiment of the invention, the Access Layer intermediate station of adjacent sites uses different frequencies; The link layer intermediate station of all websites uses identical frequency; Access Layer intermediate station in the same website uses different frequencies with the link layer intermediate station.
With networking mode shown in Figure 2 is example, and when terminal S2 sent calling, Access Layer intermediate station 21 received and should call out, and should call out through the wireless mode transfer, thus quilt and the terminal S3 reception of terminal S2 in same website; Simultaneously; Also with this call progress signal conversion; Such as analog-to-digital conversion, be packaged into processing such as IP packet; Be transferred to link layer intermediate station 22 through Internetwork link then, then by link layer intermediate station 22 through wireless mode with the link layer intermediate station 32 of this call transfer to link layer intermediate station of website 1 12 and website 3.Link layer intermediate station 12 should be called out through Internetwork link and be transferred to Access Layer intermediate station 11, was finally received by the terminal S1 in the website 1; Link layer intermediate station 32 should be called out through Internetwork link and be transferred to Access Layer intermediate station 31, was finally received by the terminal S4 in the website 3.Thus it is clear that,, realized the extension of the network coverage conveniently, effectively through the system of the embodiment of the invention.
Need to prove; Under above-mentioned networking model; In order to prevent that the reception of link layer intermediate station 22 is produced interference; Can link layer intermediate station 12 and link layer intermediate station 32 be configured to after receiving the transmitting of link layer intermediate station 22, forbid emission, only be transferred to the Access Layer intermediate station under this website through Internetwork link.That is to say; When in a website, having only a link layer intermediate station; Can the link layer intermediate station in other website adjacent with this website be configured to after receiving the transmitting of said website, forbid emission, thereby guaranteeing that reception to link layer intermediate station in this website produces disturbs.
It is thus clear that; Wireless telecommunication systems between embodiment of the invention website; The link layer intermediate station that links to each other with the Access Layer intermediate station through Internetwork link is set in website, utilizes the link layer intermediate station to realize wireless interconnected between the website, so need not increase additional hardware conversion equipment and expense; And networking flexibility, autgmentability is strong.Because each intermediate station adopts single-frequency, different time-gap to carry out receiving and transmitting signal, therefore can save frequency and duplexer effectively, reduces the probability of happening of frequency conflicts, improves the stability of system.And, through appropriate configurations, can avoid the interference between adjacent sites.
In the above-mentioned networking mode shown in Figure 2, a link layer intermediate station only is set in the website, the connection between the website can be regarded as the mode of wireless cascade.Need to prove that wireless telecommunication systems of the present invention is not limited in above-mentioned networking mode, in other embodiments of the invention, a plurality of link layer intermediate stations also can be set, to realize networking more flexibly and to improve signal transmission distance at a website.
Embodiment 3
As shown in Figure 3, be the another kind of networking sketch map of wireless telecommunication systems between embodiment of the invention website.
In this embodiment, said system comprises three websites, is respectively website 1, website 2 and website 3.As shown in Figure 3, with above-mentioned shown in Figure 2 different be that in this embodiment, website 1 comprises: Access Layer intermediate station 11 and two link layer intermediate stations are respectively: link layer intermediate station 12 and link layer intermediate station 13.And link layer intermediate station 12 uses identical frequency with the link layer intermediate station 22 of website 2, and link layer intermediate station 13 uses identical frequency with the link layer intermediate station 32 of website 3.
With networking mode shown in Figure 3 is example, and wireless interconnected process is realized at the terminal that specifies in the different websites.
When the S1 calling terminal S2 of terminal, terminal S1 makes a call; After the Access Layer intermediate station 11 of website 1 receives this calling,, such as analog-to-digital conversion, be packaged into processing such as IP packet, be transferred to link layer intermediate station 12 through Internetwork link then with the conversion of this call progress signal; Link layer intermediate station 12 carries out the IP packet of receiving to launch after the processing such as decapsulation, digital-to-analogue conversion again; After the link layer intermediate station 22 of website 2 is received and transmitted, carry out transfer through Internetwork link, Access Layer intermediate station, final terminal S2 receives and should call out, and realizes the calling of terminal S1 to terminal S2.
When the S1 calling terminal S3 of terminal, terminal S1 makes a call; After the Access Layer intermediate station 11 of website 1 receives this calling,, such as analog-to-digital conversion, be packaged into processing such as IP packet, be transferred to link layer intermediate station 13 through Internetwork link then with the conversion of this call progress signal; Link layer intermediate station 13 carries out the IP packet of receiving to launch after the processing such as decapsulation, digital-to-analogue conversion again; After the link layer intermediate station 32 of website 3 is received and transmitted, carry out transfer through Internetwork link, Access Layer intermediate station, final terminal S3 receives and should call out, and realizes the calling of terminal S1 to terminal S3.
Utilize above-mentioned networking mode, can be a plurality of link layer intermediate stations of the site configuration that is in the central area, each link layer intermediate station is through website of wireless connections, thereby can enlarge the coverage of network.Under this networking mode, can increase unlimited a plurality of link layer intermediate station in theory, and, a plurality of link layer intermediate stations can be set in a plurality of websites, to connect a plurality of websites, satisfy the network demand of any coverage.
Need to prove, in practical application, can on the basis of existing network, increase new website, realize wireless interconnected between a plurality of existing networks with above-mentioned Fig. 2 and networking mode shown in Figure 3 as two kinds of basic system topologies.Certainly, also can carry out flexible expansion, satisfy different networkings and covering demand based on above-mentioned two kinds of basic system topologies.
Need to prove that mention among above-mentioned each embodiment forbid transmitting and receiving is meant forbids transmitting and receiving of wireless mode.
In addition, mention in front, in the prior art because the synchronizing datum signal of each intermediate station is relatively independent, thus can't realize between the intermediate station synchronously, also just can't realize directly interconnected between the intermediate station.And in wireless telecommunication systems of the present invention, in each intermediate station, add synchronization mechanism, and be synchronized to the signal transmitting party by receiving side signal, promptly the receive direction transmitting party is carried out synchronously, thus transmitting party provides synchronizing datum signal to realize the direct interconnection between the intermediate station.
Between terminal and the intermediate station synchronously: initiatively initiate one when calling out when the terminal, the Access Layer intermediate station need be synchronized on the synchronous base at terminal, and when signaling to the terminal under the Access Layer intermediate station, the terminal need be synchronized on the synchronous base of Access Layer intermediate station.
Between intermediate station and the intermediate station synchronously: for the intermediate station under the same website; Share GPS (Global Positioning System separately through Internetwork link; Global positioning system) time or share hardware time order through hardware connection mode; Adjust the work schedule of self, be synchronized on the same benchmark, and the supplier of this benchmark receives the Access Layer intermediate station of upward signal or receives the link layer intermediate station from another website signal in this website; For the link layer intermediate station of different websites, also take the synchronous principle of receive direction transmitting party.
Further illustrate the sequential synchronizing process of intermediate station in the embodiment of the invention below in conjunction with Fig. 4.
As shown in Figure 4, be the sequential synchronization principles figure of intermediate station in the embodiment of the invention.
Wherein, the oblique line frame table shows the emission sequential, and the backslash frame table shows the reception sequential, and grey box is represented invalid sequential.
When the terminal of website 1 S1 initiates a calling; The Access Layer intermediate station A of website 1 receives the upward signal of self terminal; And according to the sequential of the synchronizing information adjustment work of the upward signal that receives; After waiting for an emission sequential; On next one emission sequential, turn out in the current signal of receiving, Access Layer intermediate station A passes to the link layer intermediate station A of website 1 with the upward signal of receiving through Internetwork link simultaneously, and the Access Layer intermediate station A of website 1 and link layer intermediate station A pass through the shared gps time of Internetwork link; Mode that perhaps connect to share work schedule through hardware is carried out synchronously, so link layer intermediate station A and Access Layer intermediate station A launch upward signal simultaneously.
After the link layer intermediate station B of website 2 receives the signal from the link layer intermediate station A of website 1, according to the synchronizing information of the signal of eating dishes without rice or wine adjustment self work schedule, waits for an emission sequential after, in the next one is launched on the sequential the current signal of receiving, turn out.
The link layer intermediate station C of website 3 receives the signal of link layer intermediate station B through eating dishes without rice or wine to send from website 2; Be given to the Access Layer intermediate station C of website 3 through Internetwork link; Synchronous through Internetwork link or hardware ways of connecting simultaneously; After waiting for an emission sequential,, the next one turns out in launching on the sequential.
Terminal S2 receives the Access Layer downstream signal from website 3, adjusts the work schedule of self according to the synchronizing information of downstream signal.
In practical application, two intermediate stations receiving and dispatching are with the frequency different time-gap.In order further to save frequency; Can all intermediate stations of same website be carried out synchronized transmissions or reception; As shown in Figure 5, like this, can make shared same transmitting antenna of these intermediate stations and same reception antenna; Only need in this website, be provided with respectively with this website in Access Layer the intermediate station separator and the synthesizer that are connected with the link layer intermediate station; Wherein, said separator is used to separate the signal that said reception antenna receives, and the signal after will separating sends to corresponding Access Layer intermediate station and link layer intermediate station; Said synthesizer is used for Access Layer intermediate station in the said website and link layer intermediate station are merged the back through said transmission antennas transmit.
Correspondingly, the embodiment of the invention also provides wireless interconnected method between a kind of website, and this method can be applied to the various system group network patterns that the front is introduced.
As shown in Figure 6, be a kind of flow chart of this method, in this embodiment, said website comprises: through Access Layer intermediate station and the link layer intermediate station that Internetwork link connects, each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.This method may further comprise the steps:
Step 601 is carried out the terminal through the Access Layer intermediate station in the website and is inserted.
Particularly, on the one hand, after said Access Layer intermediate station receives transmitting of terminal, transmitting of said terminal is forwarded to said link layer intermediate station; On the other hand, after said Access Layer intermediate station received the signal of said link layer intermediate station forwarding, the signal that said link layer intermediate station is transmitted sent to said terminal.
Under different networking models, said Access Layer intermediate station is forwarded to said link layer intermediate station with transmitting of said terminal and has condition of different, specifically comprises:
If the link layer intermediate station that is positioned at same website with said Access Layer intermediate station is arranged; Then said Access Layer intermediate station sends transmitting of said terminal the link layer intermediate station of said same website to through Internetwork link, so that the link layer intermediate station of said same website sends to adjacent sites with transmitting of said terminal;
If be not positioned at the link layer intermediate station of same website with said Access Layer intermediate station, then said Access Layer intermediate station sends transmitting of said terminal to said adjacent sites through wireless mode.
Such as, said Access Layer intermediate station and said link layer intermediate station are positioned at same website, and then said Access Layer intermediate station receives the signal that said link layer intermediate station is transmitted through Internetwork link; Said Access Layer intermediate station is positioned at different websites with said link layer intermediate station, the signal that then said Access Layer intermediate station is transmitted through the said link layer intermediate station of wireless receiving.
Step 602 is carried out wireless interconnected between the website through the link layer intermediate station in the website; Link layer intermediate station in the same website is connected through Internetwork link with the Access Layer intermediate station.
Particularly, after said link layer intermediate station receives transmitting of adjacent sites, transmitting of said adjacent sites is forwarded to the Access Layer intermediate station with the same website of said link layer intermediate station through Internetwork link; After said link layer intermediate station received the signal of transmitting through Internetwork link with the Access Layer intermediate station of the same website of said link layer intermediate station, the signal that said Access Layer intermediate station is transmitted sent to said adjacent sites.
Certainly, wireless interconnected method is not limited in the emission and the transfer process of above-mentioned signal between embodiment of the invention website, according to the difference of actual networking, different implementation procedures can also be arranged, and specifically can repeat no more at this with reference to the description among each embodiment of front.
Need to prove that in the method for the embodiment of the invention, the operating frequency of the Access Layer intermediate station of adjacent sites is different; The operating frequency of the link layer intermediate station of adjacent sites is identical; Access Layer intermediate station in the same website is different with the operating frequency of link layer intermediate station.And, a plurality of link layer intermediate stations can be arranged in the same website, the operating frequency of said a plurality of link layer intermediate stations is different.
In addition, in order to prevent the interference between adjacent sites, in the methods of the invention, if said website has only an adjacent sites, the link layer intermediate station in the then said website is forbidden emission after receiving the transmitting of said website; When transmitting, forbid receiving through wireless mode.
Wireless interconnected method between embodiment of the invention website is provided with the link layer intermediate station that links to each other with the Access Layer intermediate station through Internetwork link in website.Because utilize the link layer intermediate station to realize wireless interconnected between the website therefore need not increasing additional hardware conversion equipment and expense, and networking flexibility, autgmentability is strong.Because each intermediate station adopts single-frequency, different time-gap to carry out receiving and transmitting signal, therefore can save frequency and duplexer effectively, reduces the probability of happening of frequency conflicts, improves the stability of system.And the Access Layer intermediate station need not activated in the terminal, can realize connecting system faster.
Correspondingly, the embodiment of the invention also provides a kind of website, and is as shown in Figure 7, is a kind of structural representation of this website 700.
In this embodiment, said website comprises: through the Access Layer intermediate station 701 and link layer intermediate station 702 of Internetwork link connection; Said Access Layer intermediate station 701 is used for the terminal and carries out system's access; Said link layer intermediate station 702 is used for wireless interconnected between the website; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.
In practical application, said Access Layer intermediate station 701 can carry out synchronized transmissions or reception with link layer intermediate station 702.
In addition, said Access Layer intermediate station 701 and link layer intermediate station 702 can a shared reception antenna and transmitting antennas, and said website 700 also comprises: separator and synthesizer (not shown).Wherein:
Said separator is connected with link layer intermediate station 702 with said Access Layer intermediate station 701 respectively, be used to separate the signal that said reception antenna receives, and the signal after will separating sends to corresponding Access Layer intermediate station and link layer intermediate station;
Said synthesizer is connected with link layer intermediate station 702 with said Access Layer intermediate station 701 respectively, is used for Access Layer intermediate station in the said website and link layer intermediate station are merged the back through said transmission antennas transmit.
Realizing between different websites that when interconnected, said Access Layer intermediate station 701 is different with the operating frequency of link layer intermediate station 702.
Identical similar part is mutually referring to getting final product between each embodiment in this specification, and each embodiment stresses all is the difference with other embodiment.Especially, for equipment and system embodiment, because it is basically similar in appearance to method embodiment, so describe fairly simplely, relevant part gets final product referring to the part explanation of method embodiment.Equipment described above and system embodiment only are schematic; Wherein said unit as the separating component explanation can or can not be physically to separate also; The parts that show as the unit can be or can not be physical locations also; Promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of module wherein of reality.And above-mentioned transmitting apparatus and receiving equipment can be integrated on the physical equipment, and corresponding transmission and receiving function are provided.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.In addition, the equipment among above-mentioned each embodiment can be hand-held terminal device like hand-held intercom, also can be other such as similar communication equipment such as Vehicle mounted station.
More than disclosedly be merely preferred implementation of the present invention; But the present invention is not limited thereto; Any those skilled in the art can think do not have a creationary variation, and, all should drop in protection scope of the present invention not breaking away from some improvement and the retouching of being done under the principle of the invention prerequisite.
Claims (18)
1. wireless telecommunication systems between a website is characterized in that, comprising: a plurality of websites;
Wherein have at least a website to comprise: through the Access Layer intermediate station and the link layer intermediate station of Internetwork link connection;
Other website comprises at least: the Access Layer intermediate station;
Said Access Layer intermediate station is used for the terminal and carries out system's access; Said link layer intermediate station is used for wireless interconnected between the website; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.
2. the system of claim 1 is characterized in that, the Access Layer intermediate station and the link layer intermediate station of same website carry out synchronized transmissions or reception.
3. system as claimed in claim 2 is characterized in that,
Access Layer intermediate station and the shared reception antenna of link layer intermediate station and a transmitting antenna in the same website, and also comprise in the said same website:
Separator, respectively with said website in the Access Layer intermediate station be connected with the link layer intermediate station, be used to separate the signal that said reception antenna receives, and the signal after will separating sends to the Access Layer intermediate station and the link layer intermediate station of correspondence;
Synthesizer is connected with the link layer intermediate station with said Access Layer intermediate station respectively, is used for Access Layer intermediate station in the said website and link layer intermediate station are merged the back through said transmission antennas transmit.
4. like each described system of claim 1 to 3, it is characterized in that the operating frequency of the Access Layer intermediate station of adjacent sites is different; The operating frequency of the link layer intermediate station of adjacent sites is identical; Access Layer intermediate station in the same website is different with the operating frequency of link layer intermediate station.
5. like each described system of claim 1 to 3, it is characterized in that a plurality of link layer intermediate stations are arranged in the same website, the operating frequency of said a plurality of link layer intermediate stations is different.
6. like each described system of claim 1 to 3, it is characterized in that,
Have only at said website under the situation of an adjacent sites, the link layer intermediate station in the said website is configured to after receiving the transmitting of said website, forbid emission; When transmitting, forbid receiving through wireless mode.
7. wireless interconnected method between a website is characterized in that said website comprises: the Access Layer intermediate station and the link layer intermediate station that connect through Internetwork link; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal;
Said method comprises:
Carrying out the terminal through the Access Layer intermediate station in the website inserts;
Carry out wireless interconnected between the website through the link layer intermediate station in the website; Link layer intermediate station in the same website is connected through Internetwork link with the Access Layer intermediate station.
8. method as claimed in claim 7 is characterized in that, saidly carries out the terminal through the Access Layer intermediate station in the website and inserts and to comprise:
After said Access Layer intermediate station receives transmitting of terminal, transmitting of said terminal is forwarded to said link layer intermediate station;
After said Access Layer intermediate station received the signal of said link layer intermediate station forwarding, the signal that said link layer intermediate station is transmitted sent to said terminal.
9. method as claimed in claim 8 is characterized in that, said Access Layer intermediate station is forwarded to said link layer intermediate station with transmitting of said terminal and comprises:
If the link layer intermediate station that is positioned at same website with said Access Layer intermediate station is arranged; Then said Access Layer intermediate station sends transmitting of said terminal the link layer intermediate station of said same website to through Internetwork link, so that the link layer intermediate station of said same website sends to adjacent sites with transmitting of said terminal;
If be not positioned at the link layer intermediate station of same website with said Access Layer intermediate station, then said Access Layer intermediate station sends transmitting of said terminal to said adjacent sites through wireless mode.
10. method as claimed in claim 8 is characterized in that, said method also comprises:
Said Access Layer intermediate station and said link layer intermediate station are positioned at same website, and then said Access Layer intermediate station receives the signal that said link layer intermediate station is transmitted through Internetwork link; Perhaps
Said Access Layer intermediate station is positioned at different websites with said link layer intermediate station, the signal that then said Access Layer intermediate station is transmitted through the said link layer intermediate station of wireless receiving.
11. method as claimed in claim 7 is characterized in that, saidly carries out wireless interconnected the comprising between the website through the link layer intermediate station in the website:
After said link layer intermediate station receives transmitting of adjacent sites, transmitting of said adjacent sites is forwarded to the Access Layer intermediate station with the same website of said link layer intermediate station through Internetwork link;
After said link layer intermediate station received the signal of transmitting through Internetwork link with the Access Layer intermediate station of the same website of said link layer intermediate station, the signal that said Access Layer intermediate station is transmitted sent to said adjacent sites.
12., it is characterized in that the operating frequency of the Access Layer intermediate station of adjacent sites is different like each described method of claim 7 to 11; The operating frequency of the link layer intermediate station of adjacent sites is identical; Access Layer intermediate station in the same website is different with the operating frequency of link layer intermediate station.
13., it is characterized in that a plurality of link layer intermediate stations are arranged in the same website like each described method of claim 7 to 11, the operating frequency of said a plurality of link layer intermediate stations is different.
14. like each described method of claim 7 to 11, it is characterized in that,
If said website has only an adjacent sites, the link layer intermediate station in the then said website is forbidden emission after receiving the transmitting of said website; When transmitting, forbid receiving through wireless mode.
15. a website is characterized in that, comprising: through the Access Layer intermediate station and the link layer intermediate station of Internetwork link connection; Said Access Layer intermediate station is used for the terminal and carries out system's access; Said link layer intermediate station is used for wireless interconnected between the website; Each intermediate station adopts transmit-receive cofrequency but the working method of different time-gap is carried out receiving and transmitting signal.
16. website as claimed in claim 15 is characterized in that, said Access Layer intermediate station and link layer intermediate station carry out synchronized transmissions or reception.
17. website as claimed in claim 16 is characterized in that,
The shared reception antenna of said Access Layer intermediate station and link layer intermediate station and a transmitting antenna, and also comprise in the said website:
Separator is connected with the link layer intermediate station with said Access Layer intermediate station respectively, be used to separate the signal that said reception antenna receives, and the signal after will separating sends to corresponding Access Layer intermediate station and link layer intermediate station;
Synthesizer is connected with the link layer intermediate station with said Access Layer intermediate station respectively, is used for Access Layer intermediate station in the said website and link layer intermediate station are merged the back through said transmission antennas transmit.
18., it is characterized in that said Access Layer intermediate station is different with the operating frequency of link layer intermediate station like each described website of claim 15 to 17.
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