CN201118587Y - Wireless inter-speaking three-party relay system - Google Patents
Wireless inter-speaking three-party relay system Download PDFInfo
- Publication number
- CN201118587Y CN201118587Y CNU2007201710380U CN200720171038U CN201118587Y CN 201118587 Y CN201118587 Y CN 201118587Y CN U2007201710380 U CNU2007201710380 U CN U2007201710380U CN 200720171038 U CN200720171038 U CN 200720171038U CN 201118587 Y CN201118587 Y CN 201118587Y
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Abstract
The utility model discloses a wireless talkback synchronous shared-frequency and shared-broadcasting relay system. Each base station comprises a set of synchronous shared-frequency and shared-broadcast switch and a set of relay stations. Three interfaces COM1, COM2 and COM3 are arranged respectively arranged on the synchronous shared-frequency and shared-broadcasting switches; each synchronous shared-frequency and shared-broadcasting relay station is connected with the COM2 of one synchronous shared-frequency and shared-broadcasting switch; the COM2 and the COM3 are used for the connection of relay links. When the relay system is used, when any legal user in a network initiates a call, the system selects the base station with stronger signals as the main broadcast and the other base stations as the assistant broadcasts for simultaneously relaying the signals of the main broadcast, and the base stations do not receive signals when as the assistant broadcast to prevent multipath interference. The connection can be widely applied for the places with special demands, such as tunnels, caves, mines, undergrounds, free ways, property industry with large-area networking and underground parking lots, and multi-layer underground buildings; thereby the problems that a single relay station can not broadcast signals far and the signals of a plurality of relay stations are interfered are solved and the effects of shared frequency and one call with hundreds of responses are achieved.
Description
Technical field
The utility model relates to the mobile communication technology field, refers to a kind of wireless talkback three same relay systems especially.
Background technology
Various wireless communication apparatus all need a large amount of trunk desks to carry out signal converting, just can guarantee communication quality.
So-called trunk desk, it is in order directly to get in touch with the shared device that necessary information was communicated with each other, transmitted in inconvenient radio station, the emergency communication in the time of especially will guaranteeing the condition of a disaster takes place.
Because blocking of building/landform etc., signal between 2 radio station on the ground possibly can't be sent to mutually, but 2 people are very high with this, the trunk desk that occupies a good place is communications and liaison well, so everybody just reaches the wider scope of covering by trunk desk, help low-power equipment to enlarge the purpose of signal.
Common trunk desk need use a pair of frequency, and reception when receiving, is launched (downstream signal, 445.750) from the signal (upward signal is as 434.750) of user's hand platform or ride on another frequency.Because the necessary occupation ratio of trunk desk is the geographical position preferably, has bigger transmitting power simultaneously, so can contact more people by trunk desk.
But present trunk desk system is in some special places, such as tunnel, cavern, mine and other places, exist the problem that signal transmits difficulty, if promptly it adopts single trunk desk, signal can pass not far, if but adopt a plurality of trunk desks, the phase mutual interference again of its signal.
The utility model content
The purpose of this utility model has provided a kind of wireless talkback three same relay systems, and it can overcome existing defective, can be widely used in the special place of requirement, and it is good to transmit signal.
To achieve these goals, the technical scheme that the utility model adopted is:
Wireless talkback three same relay systems, each base station comprise one three switch are provided with three interface COM1, COM2, COM3 with switch and one three same trunk desk, and each three is connected with the switch COM2 that was connected with one or three with trunk desk.
Described wireless talkback three same relay systems, its COM1, COM3 are used for repeated link and connect.
Described repeated link can use optical cable, telephone wire, Radio Link to connect.
Described base station is at least 2.
Intercom and user three only use a pair of frequency with trunk desk, promptly save frequency resource handled easily again.Do not influence normal talking owing to adopted wireless talkback three to cover yet, can accomplish seamless covering large tracts of land networking (as a county or a city) with signal cross between the technology base station.During use, arbitrary validated user makes a call in the net, and system chooses receives that the stronger base station of signal does the main broadcaster, and remaining base station is done to relay main broadcaster's signal simultaneously from broadcasting, the base station do from sowing time not received signal disturb to avoid multipath.This connection can be widely used in and require special place, such as tunnel, cavern, mine, tunnel, highway, large tracts of land networking, the property that the underground parking is arranged and multilayer hypogee etc., having solved single trunk desk signal passes not far, and the problem that a plurality of trunk desk signals interfere with each other reaches frequency with using the effect of getting ready to go into action in hundreds.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Embodiment
The utility model discloses a kind of wireless talkback three same relay systems, each relay base station comprises one three with switch and one three same trunk desk, switch is provided with three interface COM1, COM2, COM3, and each trunk desk and the switch COM2 that was connected is connected.COM1, COM3 are used for repeated link and connect.Repeated link can use optical cable, telephone wire, Radio Link to connect, and base station number is unrestricted.
Join one three same switch with trunk desk for every three.
Three are all: same frequency, synchronous, same broadcasting.
With frequently: many trunk desks use same frequency emission and do not influence normal talking.
Synchronously: from broadcasting the automatic and main broadcaster's trunk desk clock synchronization of trunk desk.
With broadcasting: any one user makes a call in the net, and system chooses receives that the stronger trunk desk of signal makes main broadcaster's trunk desk, and other trunk desk is relayed the audio signal of main broadcaster's trunk desk simultaneously, thereby effectively avoids multipath to disturb.
In order to make those skilled in the art person understand this New Scheme better, below in conjunction with drawings and embodiments to this novel being described in further detail.
As shown in Figure 1, the utility model discloses a kind of wireless talkback three same relay systems, now use the telephone wire relaying to be example with three base stations.
Its mainly comprise three three with 1,2,3 and three three of switches with trunk desk 4,5,6, wherein:
Three are provided with three interfaces with switch 1: COM1 interface 11, COM2 interface 12, COM3 interface 13, and its COM2 interface 12 links to each other with trunk desk 4 with three;
Three are provided with three interfaces with switch 2: COM1 interface 21, COM2 interface 22, COM3 interface 23, and its COM2 interface links to each other with trunk desk 5 with three;
Three are provided with three interfaces with switch 3: COM1 interface 31, COM2 interface 32, COM3 interface 33, and its COM2 interface 32 links to each other with trunk desk 6 with three;
Three the 3rd interface COM3 with switch 1 are connected with three first interface COM1 with switch 2, and three the 3rd interface COM3 with switch 2 are connected with three first interface COM1 with switch 3.
During use, 4,5,6 of intercom 7 and trunk desks, 8,9 of intercom 7 and intercoms adopt wireless connections; Arbitrary validated user makes a call in the net, and system chooses receives that the stronger base station of signal does the main broadcaster, and remaining base station is done to relay main broadcaster's signal simultaneously from broadcasting, the base station do from sowing time not received signal disturb to avoid multipath.This connection can be widely used in and require special place, such as tunnel, cavern, mine, tunnel, highway, large tracts of land networking, the property that the underground parking is arranged and multilayer hypogee etc., it is not far to have solved single trunk desk signal biography, and the problem that a plurality of trunk desk signal interferes with each other.Reach frequency with using the effect of getting ready to go into action in hundreds.
In addition, three press actual needs with trunk desk quantity determines that three with the two-way relaying of switch, in theory the unlimited company of amassing.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (4)
1, wireless talkback three same relay systems, it is characterized in that: each base station comprises one three with switch and one three same trunk desk, three are provided with three interface COM1, COM2, COM3 with switch, and each three is connected with the switch COM2 that was connected with three with trunk desk.
2, wireless talkback three same relay systems as claimed in claim 1 is characterized in that: COM1, COM3 are used for repeated link and connect.
3, wireless talkback three same relay systems as claimed in claim 2 is characterized in that: described repeated link can use optical cable, telephone wire, Radio Link to connect.
4, as claim 1,2 or 3 described wireless talkback three same relay systems, it is characterized in that: described base station is at least 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201710380U CN201118587Y (en) | 2007-11-23 | 2007-11-23 | Wireless inter-speaking three-party relay system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201710380U CN201118587Y (en) | 2007-11-23 | 2007-11-23 | Wireless inter-speaking three-party relay system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201118587Y true CN201118587Y (en) | 2008-09-17 |
Family
ID=39993181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201710380U Expired - Fee Related CN201118587Y (en) | 2007-11-23 | 2007-11-23 | Wireless inter-speaking three-party relay system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201118587Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553994A (en) * | 2015-12-22 | 2016-05-04 | 通号通信信息集团上海有限公司 | Digital wireless communication system based on voice gateway and application thereof |
| CN114697886A (en) * | 2022-05-23 | 2022-07-01 | 天津七一二移动通信有限公司 | Ad hoc network relay station interconnection method with multiple receiving paths |
-
2007
- 2007-11-23 CN CNU2007201710380U patent/CN201118587Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553994A (en) * | 2015-12-22 | 2016-05-04 | 通号通信信息集团上海有限公司 | Digital wireless communication system based on voice gateway and application thereof |
| CN105553994B (en) * | 2015-12-22 | 2018-12-11 | 通号通信信息集团上海有限公司 | A kind of digit wireless communication system and its application based on voice gateways |
| CN114697886A (en) * | 2022-05-23 | 2022-07-01 | 天津七一二移动通信有限公司 | Ad hoc network relay station interconnection method with multiple receiving paths |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20111123 |