CN1859078A - Narrow band communication system data transmission method - Google Patents
Narrow band communication system data transmission method Download PDFInfo
- Publication number
- CN1859078A CN1859078A CN 200510130939 CN200510130939A CN1859078A CN 1859078 A CN1859078 A CN 1859078A CN 200510130939 CN200510130939 CN 200510130939 CN 200510130939 A CN200510130939 A CN 200510130939A CN 1859078 A CN1859078 A CN 1859078A
- Authority
- CN
- China
- Prior art keywords
- time slot
- communication system
- band communication
- node equipment
- data transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
This invention relates to method for transmitting data of narrow-band communication system including a primary node device and a slave node device connected by a service channel and a control channel, in which, the service channel is divided into multiple time slots, each of which is corresponding to the down slot from the primary node device to the slave node device of the data direction and an up slot from the slave to the primary node device and includes a service time slot for transmitting service data and a signaling time slot for transmitting control signaling.
Description
Technical field
The present invention relates to the data transferring method in the communication system, more particularly, relate to a kind of narrow band communication system data transmission method.
Background technology
In the arrowband communication system, ply-yarn drill unit (Line Card Unit, hereinafter to be referred as LCU) require to do simple more well more, require main control unit (Main Control Unit simultaneously, hereinafter to be referred as MCU) as much as possible number of users, to reduce cost, so, have high-speed channel (highway between LCU and the MCU, hereinafter to be referred as HW), two simple interfaces of UART Universal Asynchronous Receiver Transmitter (Universal Asynchronous Receiver Transmitter is hereinafter to be referred as UART), the transmission of business of being respectively applied for and control information.But for the signal that some real-times are had relatively high expectations, too slow as the information on the throne of LCU with UART, can not satisfy the demand of real-time.The scheme of prior art one is as follows, as shown in Figure 1, has UART at least between MCU and LCU, two kinds of interfaces of HW, be used for respectively transmitting control information and service media stream, for the information management of LCU, generally realize by the UART communication.But there is following shortcoming in prior art one: 1, for supervisory signals such as single board information, as issue the configuration of LCU veneer mode of operation, report the information such as type of LCU, realize that by the UART communication real-time and reliability compare relatively poor.2, for two operating positions that are equipped with, be equipped with as the HW bus is two, need detect active and standby HW bus, service disconnection may occur otherwise switch over, but cannot detect the HW interface with the UART interface.
Summary of the invention
The technical problem to be solved in the present invention is, above-mentioned defective at prior art, a kind of narrow band communication system data transmission method is provided, described narrow-band communication system comprises host node equipment and from node device, described host node equipment and described from being connected with control channel by service channel between the node device, described service channel is divided into a plurality of time slots, the all corresponding autonomous node equipment of each time slot is to the descending time slot from node device, with the ascending time slot that arrives host node equipment since device node, it is characterized in that described time slot comprises business time-slot that is used for service data transmission and the signalling time slot that is used for control channel.
In narrow band communication system data transmission method of the present invention, described time slot also comprises the test time slot that is used for loopback test.
In narrow band communication system data transmission method of the present invention, described business time-slot, signalling time slot and test time slot are arranged in advance or are carried out dynamic management by host node equipment.
In narrow band communication system data transmission method of the present invention, the transmission of described control signaling specifically comprises the steps:
A1) produce the control signaling;
A2) high if control signaling real-time requires, execution in step A3 then, otherwise carry out A4;
A3) by the signalling time slot control channel of service channel, finish;
A4), finish by the control channel control channel;
In narrow band communication system data transmission method of the present invention, described control signaling comprises by host node equipment and sends to management data from node device, and sends to replying of host node equipment from node device at described management data.
In narrow band communication system data transmission method of the present invention, described control signaling also comprises by the state reported data that sends to host node equipment from node device, and host node equipment sends to replying from node device at described state reported data.
In narrow band communication system data transmission method of the present invention, the described loop back switch device that the descending time slot data of loopback time slot directly can be shorted to ascending time slot that also comprises from node device.
In narrow band communication system data transmission method of the present invention, described loopback test comprises the following steps that host node is finished:
B1) host node equipment produces looping back data;
B2) host node equipment sends looping back data on the descending time slot of loopback time slot, and the ascending time slot at the loopback time slot receives looping back data simultaneously;
B3) whether after host node equipment is received all data, it is identical with the transmission looping back data relatively to receive looping back data, if the success of identical judgement loopback test, otherwise would judge the loopback test failure.
In narrow band communication system data transmission method of the present invention, describedly finish following steps from node:
C1) judge from node device whether current time slots is the loopback time slot, if be the loopback time slot, execution in step C2 then, otherwise execution in step C3;
C2) open the loop back switch device;
C3) close the loopback switching device.
In narrow band communication system data transmission method of the present invention, described host node equipment is main control unit, and described is the ply-yarn drill unit from node device, and described service channel is a high-speed channel, and described control channel is UART Universal Asynchronous Receiver Transmitter.
The invention has the beneficial effects as follows that narrow-band communication system of the present invention is solving host node equipment and requiring the transmission of more intense information from some real-times between the node device under the prerequisite that does not increase new line; Under the prerequisite that does not increase the hardware line, can realize the loopback test of service channel, improved the reliability of system, solved the detection problem of service channel interface; The result who adopts method of the present invention to carry out the service channel detection can improve the reliability of system directly as the reference conditions of the active and standby usefulness of system.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of arrowband communication system;
Fig. 2 is the structural representation of the arrowband communication system of narrow band communication system data transmission method correspondence of the present invention;
Fig. 3 is the transfer process figure of control signaling in the narrow band communication system data transmission method of the present invention;
Fig. 4 is the transfer process figure that host node equipment carries out loopback test in the narrow band communication system data transmission method of the present invention;
Fig. 5 is the transfer process figure that carries out loopback test in the narrow band communication system data transmission method of the present invention from node device.
Embodiment
The present invention relates to a kind of narrow band communication system data transmission method, wherein narrow-band communication system comprises host node equipment and from node device, host node equipment and from being connected with control channel by service channel between the node device, service channel is divided into a plurality of time slots, each time slot all corresponding data direction autonomous node equipment to from the descending time slot of node device, with the ascending time slot that arrives host node equipment since device node, time slot comprises business time-slot that is used for service data transmission and the signalling time slot that is used for control channel, and the test time slot that is used for loopback test.Business time-slot, signalling time slot and test time slot are taked to arrange in advance or carry out dynamic management by host node equipment by control channel.The control signaling comprises by host node equipment and sends to management data from node device, and sends to replying of host node equipment from node device at described management data; The control signaling also comprises by the state reported data that sends to host node equipment from node device, and host node equipment sends to replying from node device at described state reported data.
In conjunction with shown in Figure 2, one embodiment of the present invention are described, wherein host node equipment is main control unit MCU, is ply-yarn drill unit LCU from node device, and service channel is high-speed channel HW, and control channel is UART Universal Asynchronous Receiver Transmitter UART.In the present embodiment, LCU is 64 the tunnel, and the HW interface is 8M, and on physical connection, the HW interface is point-to-point between MCU and the LCU is connected.In order to cooperate loopback test, also be provided with the loop back switch device that the descending time slot data of loopback time slot directly can be shorted to ascending time slot from node device.
The transmitting step of describing control signaling in the present embodiment in conjunction with Fig. 3 is specific as follows:
S1) produce the control signaling;
S2) high if control signaling real-time requires, execution in step S3 then, otherwise carry out S4;
S3) by the signalling time slot control channel of service channel, finish;
S4), finish by the control channel control channel.
Describe in the present embodiment in conjunction with Fig. 4, the concrete steps of host node equipment are when carrying out loopback test:
S1) host node equipment produces looping back data;
S2) host node equipment sends looping back data on the descending time slot of loopback time slot;
S3) host node equipment receives looping back data at the ascending time slot of loopback time slot simultaneously;
S4) whether after host node equipment is received all data, it is identical with the transmission looping back data relatively to receive looping back data;
S5) if identical, judge the loopback test success, HW communication is normal;
S6) if inequality, judge the loopback test failure, HW communication is undesired.
Describe in the present embodiment in conjunction with Fig. 5, finish following steps from node when carrying out loopback test:
S1) judge from node device whether current time slots is the loopback time slot, if be the loopback time slot, execution in step S2 then, otherwise execution in step S3;
S2) open the loop back switch device;
S3) close the loopback switching device.
In the present embodiment, the time slot TS0-TS63 that can define wherein is used for the service data transmission by HW, and at time slot TS64, MCU sends fixed value by HW to LCU, and MCU reads from the data of LCU loopback at next time slot TS64 and compares then.Be set in time slot TS65-TS72, MCU sends to LCU by HW with the configuration information of LCU, and LCU reads out configuration information at particular time-slot then, to self making corresponding configuration.Be set in time slot TS73-TS80 equally, LCU sends to MCU by HW with some state informations, and MCU reads out state information at particular time-slot.
Claims (10)
1, a kind of narrow band communication system data transmission method, described narrow-band communication system comprises host node equipment and from node device, described host node equipment and described from being connected with control channel by service channel between the node device, described service channel is divided into a plurality of time slots, the all corresponding autonomous node equipment of each time slot is to the descending time slot from node device, with since the ascending time slot of device node equipment to host node equipment, it is characterized in that described time slot comprises business time-slot that is used for service data transmission and the signalling time slot that is used for control channel.
2, narrow band communication system data transmission method according to claim 1 is characterized in that, described time slot also comprises the test time slot that is used for loopback test.
3, narrow band communication system data transmission method according to claim 2 is characterized in that, described business time-slot, signalling time slot and test time slot are arranged in advance or carried out dynamic management by host node equipment.
4, narrow band communication system data transmission method according to claim 1 is characterized in that, the transmission of described control signaling specifically comprises the steps:
A1) produce the control signaling;
A2) high if control signaling real-time requires, execution in step A3 then, otherwise carry out A4;
A3) by the signalling time slot control channel of service channel, finish;
A4), finish by the control channel control channel.
5, narrow band communication system data transmission method according to claim 4 is characterized in that,
Described control signaling comprises by host node equipment and sends to management data from node device, and sends to replying of host node equipment from node device at described management data.
6, narrow band communication system data transmission method according to claim 4 is characterized in that,
Described control signaling also comprises by the state reported data that sends to host node equipment from node device, and host node equipment sends to replying from node device at described state reported data.
7, narrow band communication system data transmission method according to claim 1 is characterized in that, the described loop back switch device that the descending time slot data of loopback time slot directly can be shorted to ascending time slot that also comprises from node device.
8, narrow band communication system data transmission method according to claim 7 is characterized in that, described loopback test comprises the following steps that host node equipment is finished:
B1) host node equipment produces looping back data;
B2) host node equipment sends looping back data on the descending time slot of loopback time slot, and the ascending time slot at the loopback time slot receives looping back data simultaneously;
B3) after host node equipment was received all data, relatively whether the looping back data of Jie Shouing was identical with the looping back data that sends, if identical, judged the loopback test success, otherwise judged the loopback test failure.
9, narrow band communication system data transmission method according to claim 7 is characterized in that, describedly finishes following steps from node:
C1) judge from node device whether current time slots is the loopback time slot, if be the loopback time slot, execution in step C2 then, otherwise execution in step C3;
C2) open the loop back switch device;
C3) close the loopback switching device.
10, according to any one described narrow band communication system data transmission method among the claim 1-9, it is characterized in that described host node equipment is main control unit, described is the ply-yarn drill unit from node device, described service channel is a high-speed channel, and described control channel is UART Universal Asynchronous Receiver Transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510130939 CN1859078A (en) | 2005-11-03 | 2005-12-12 | Narrow band communication system data transmission method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520067114.4 | 2005-11-03 | ||
| CN200520067114 | 2005-11-03 | ||
| CN 200510130939 CN1859078A (en) | 2005-11-03 | 2005-12-12 | Narrow band communication system data transmission method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1859078A true CN1859078A (en) | 2006-11-08 |
Family
ID=37297945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510130939 Pending CN1859078A (en) | 2005-11-03 | 2005-12-12 | Narrow band communication system data transmission method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1859078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221340A (en) * | 2014-04-15 | 2014-12-17 | 华为技术有限公司 | Resource distributing method and device |
| CN107071922A (en) * | 2016-12-29 | 2017-08-18 | 河北远东通信系统工程有限公司 | Efficient data transmission method under the conditions of a kind of narrow band communication |
-
2005
- 2005-12-12 CN CN 200510130939 patent/CN1859078A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104221340A (en) * | 2014-04-15 | 2014-12-17 | 华为技术有限公司 | Resource distributing method and device |
| CN107071922A (en) * | 2016-12-29 | 2017-08-18 | 河北远东通信系统工程有限公司 | Efficient data transmission method under the conditions of a kind of narrow band communication |
| CN107071922B (en) * | 2016-12-29 | 2019-10-11 | 河北远东通信系统工程有限公司 | Efficient data transmission method under the conditions of a kind of narrow band communication |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1863081A (en) | Managing system and method based on intelligent platform managing interface | |
| CN1852504A (en) | Method and system for resetting radio zoom-out module | |
| CN1418023A (en) | Back-up method and device for base station controller in radio access network | |
| CN101399811A (en) | Multi-channel data transmitting/receiving and transmission control method, corresponding device | |
| CN1992572A (en) | Method and apparatus for multiplexing from low-speed light port to 2M transmission line and protection switching | |
| CN1832585A (en) | Method and device of line switchover of intelligent distributed frame | |
| CN1731696A (en) | System and method for realizing veneer active/standby changeover in communication equipment | |
| CN1859078A (en) | Narrow band communication system data transmission method | |
| CN1084124C (en) | Channel-changing method and channel-changing controller | |
| CN1127234C (en) | Light monitoring channel equipment, system and implementation for wavelength division multiplexing light transmission system | |
| CN101447975B (en) | Method for processing Ethernet physical layer OAM overhead and device thereof | |
| CN1920782A (en) | System and method for debugging information output and control | |
| CN1925518A (en) | Module configuration managing method in compound telecommunication platform | |
| CN1750419A (en) | Method and device for realizing single board backup in communication network device | |
| CN1968075B (en) | Distributed hot-standby logic device and primary/standby board setting method | |
| CN1949724A (en) | Ether port protection method | |
| CN2684471Y (en) | Optical transmitter and receiver with embedded error code testing function | |
| CN1770713A (en) | Addressing system for cascade networking and its method | |
| CN101035325A (en) | Transmission control method for wireless network and base station | |
| CN101145897B (en) | A method and system for reducing transmission clock line based on communication hardware platform | |
| CN1863106A (en) | Method for testing communication fault between boards in wireless communication system | |
| CN1671084A (en) | Optical transmitter and receiver with embedded error code test function and method for implementing end-to-end error code test | |
| CN1588923A (en) | Method for realizing seamless changing of master and spare service module | |
| CN1859688A (en) | A interface circuit turn-on detecting method and device | |
| CN1770132A (en) | Connector between processor and user recognition card |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20061108 |