CN101212415A - Data forwarding method and device and communication system in WIMAX network - Google Patents
Data forwarding method and device and communication system in WIMAX network Download PDFInfo
- Publication number
- CN101212415A CN101212415A CNA2006101727945A CN200610172794A CN101212415A CN 101212415 A CN101212415 A CN 101212415A CN A2006101727945 A CNA2006101727945 A CN A2006101727945A CN 200610172794 A CN200610172794 A CN 200610172794A CN 101212415 A CN101212415 A CN 101212415A
- Authority
- CN
- China
- Prior art keywords
- data
- forwarding
- unit
- threshold value
- hop count
- 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
Abstract
The invention discloses a method for forwarding data in a WIMAX network and a device as well as a communication system thereof, which is used for improving the data forwarding performance. The method of the invention comprises the steps: data which is from a sender or a second forwarding device is received by a first forwarding device; whether forwarding times of the data achieve a presupposed threshold is judged; if the forwarding times do not achieve the presupposed threshold, then the data is forwarded according to the presupposed forwarding rule; if the forwarding times achieve the presupposed threshold, the data is discarded. The system consists of a data sender and a data forwarding device; the data sender is used for sending data to the data forwarding device; the data forwarding device judges whether the forwarding times of the received data achieve the threshold; if the forwarding times of the received data achieve the threshold, the data is discarded. The invention also provides a data forwarding device. The invention can effectively improve the data forwarding performance.
Description
Technical field
The present invention relates to the communications field, relate in particular to data forwarding method and device and communication system in a kind of WIMAX network.
Background technology
Micro-wave access global inter communication (WIMAX, Worldwide Interoperability for MicrowaveAccess) (the NWG of network of network working group, Network Working Group) among the stage3, communication between devices needs forwarding mechanism, does not have the equipment of the other side's the mapping that is identified to the live network address to carry out the transmission of message each other to help those.
A kind of data forwarding method definition NWG message format as shown in Figure 1 in the prior art, wherein, the sending ending equipment of source identifier TLV identification message, the receiving terminal of destination identifier TLV identification message.
Transmitting terminal is when receiving terminal sends message, the local actual address that can not have receiving terminal, so transmitting terminal is not that message is directly sent to receiving terminal, (relay a) sends but to an acquiescence forwarding address, help it to deliver message by relay a, relay a receives message, check the NWG message header, find the non-self identification symbol of destination, need this message is transmitted to destination, the same transmitting terminal of the retransmission method of relay a, as do not have the actual address of receiving terminal, also be to transmit again.
But, according to technical scheme of the prior art, when following situation occurring, can cause datacycle to transmit and can't stop:
Transmitting terminal does not have the network address of receiving terminal, and the transmitting terminal default configuration is forwarded to relay a;
Relay a does not have the network address of receiving terminal, and relay a default configuration is forwarded to relay b;
Relay b does not have the network address of receiving terminal, and relay b default configuration is forwarded to relay c;
Relay c does not have the network address of receiving terminal, and relay c default configuration is forwarded to relay a;
In this case, data will be at relay a, and the unlimited transmission of circulation as shown in Figure 3, has influenced systematic function between relay b and the relay c.
Summary of the invention
The technical problem to be solved in the present invention provides data forwarding method and device and communication system in a kind of WIMAX network, can improve the performance of data forwarding.
Data forwarding method in the WIMAX network provided by the invention comprises: first forwarding unit receives the data from the transmitting terminal or second forwarding unit; Judge whether described forwarding of data number of times reaches default threshold value,, then transmit described data,, then abandon described data if reach if do not reach.
WIMAX network communication system provided by the invention comprises: data sending terminal and data forwarding device; Described data sending terminal is used for sending data to data forwarding device; Described data forwarding device judges whether the forwarding of data number of times that receives reaches threshold value, if do not reach, then transmits the described data of rule forwarding by presetting, if reach, then abandons described data.
WIMAX network data retransmission unit provided by the invention comprises: acquiring unit, judging unit and processing unit; Described acquiring unit is used for obtaining described forwarding of data number of times information from the data that receive, and described hop count information is sent to judging unit; Described judging unit is used for judging according to described hop count information whether described forwarding of data number of times reaches threshold value, and judged result is sent to processing unit; If described hop count does not reach threshold value, then described processing unit is transmitted the rule described data of forwarding and is revised its hop count by presetting; If described hop count reaches threshold value, then described processing unit abandons described data.
As can be seen from the above technical solutions, the present invention has the following advantages:
In the embodiment of the invention, forwarding side can judge whether this forwarding of data number of times reaches threshold value earlier after receiving the data of forwarding, if reaching threshold value then abandons these data, thus the situation that Infinite Cyclic is transmitted can not appear, and then improved the performance of data forwarding.
Description of drawings
Fig. 1 is NWG message format figure;
Fig. 2 is that Infinite Cyclic is transmitted the situation schematic diagram in the prior art;
Fig. 3 is the inventive method embodiment flow chart;
Fig. 4 is a system embodiment schematic diagram of the present invention;
Fig. 5 is apparatus of the present invention embodiment schematic diagram.
Embodiment
The invention provides data forwarding method and device and communication system in a kind of WIMAX network, be used to improve the performance of data forwarding.
See also Fig. 3, data forwarding method embodiment of the present invention comprises:
301, first forwarding unit receives the data from the transmitting terminal or second forwarding unit;
Wherein, the data that first forwarding unit receives can be from transmitting terminal, also can be from second forwarding unit.
302, judge whether described forwarding of data number of times reaches threshold value, if do not reach, then execution in step 303, if reach, then execution in step 304;
Wherein, judge whether the number of times that described data are forwarded reaches threshold value, concrete determination methods is introduced in the back in detail.
303, transmit data;
Wherein, transmit data according to the forwarding rule that presets, the described forwarding rule that presets is for being sent to described data next forwarding address of this forwarding unit appointment.
304, abandon data.
Suppose that first forwarding device detecting has reached threshold value to the current forwarding of data number of times that receives, then directly these data are abandoned and do not continue and transmit, and write down the relevant information of these data, to the transmitting terminal or the second forwarding unit feedback data retransmission failure message, path detection is carried out in request afterwards.
The embodiment of the invention realizes the statistics of data forwarding number of times by following dual mode:
One, as shown in Figure 1, in reserved field, increase the data life period field, be used to identify the residue hop count of these data, the initial value of described data life period field is set to the numerical value of max-forwards number of times, for example, these data allow at most to transmit 100 times, and then the data life period field initial value of these data is 100.
The numerical value renewal process is: after first forwarding unit receives these data, judge the data life period numerical value of these data, if 0, these data then abandoned, if be not 0, then transmit these data and the data life period numerical value of these data is subtracted 1 by the forwarding rule that presets.
Two, as shown in Figure 1, increase data forwarding time digital section in reserved field, be used to identify the number of times that these data have been forwarded, the initial value of described data forwarding time digital section is set to 0.
The numerical value renewal process is: after first forwarding unit receives these data, judge the data forwarding number of times numerical value of these data, if reach the hop count thresholding (for example being 100) that presets, then abandon these data, if be not 100, then transmit these data and the data forwarding number of times numerical value of these data is added 1 by the forwarding rule that presets.
Be understandable that, can take the method for different statistics hop counts equally, do not limit herein according to actual conditions.
Providing a complete implementation process below, is example so that life cycle to be set, and supposes that the max-forwards number of times is 100:
In NWG message, increase lifetime field, initial value is set to 100, transmitting terminal is forwarded to forwarding side A with this message according to the forward-path that presets, the side of forwarding A judges that its life cycle numerical value is not 0 after receiving data, then these data are continued to be forwarded to forwarding side B according to self forward-path, life cycle numerical value with these data subtracts 1 simultaneously, promptly the life cycle numerical value of these data is 99 at this moment, the rest may be inferred, detecting its life cycle numerical value after a certain forwarding side receives these data is 0, then abandons these data.
Above-mentioned flow process is meant that data do not send to destination forwarding process before, if these data are forwarded to the destination, then flow process stops.
Below communication system of the present invention is described in detail, sees also Fig. 4, communication system embodiment of the present invention comprises:
Described data sending terminal 401 is used for sending data to data forwarding device 402;
Described data forwarding device 402 judges whether the forwarding of data number of times that receives reaches threshold value, if do not reach, then transmits the described data of rule forwarding by presetting, if reach, then abandons described data.
Wherein, data forwarding device 402 comprises:
Described acquiring unit 4021 is used for obtaining described forwarding of data number of times information from the data that receive, and described hop count information is sent to judging unit 4022;
Described judging unit 4022 is used for judging according to described hop count information whether described forwarding of data number of times reaches threshold value, and judged result is sent to processing unit 4023;
If described hop count does not reach threshold value, then described processing unit 4023 is transmitted the rule described data of forwarding and is revised its hop count by presetting;
If described hop count reaches threshold value, then described processing unit 4023 abandons described data.
Below data forwarding device of the present invention is described in detail, sees also Fig. 5, data forwarding device embodiment of the present invention comprises:
Described acquiring unit 4021 is used for obtaining described forwarding of data number of times information from the data that receive, and described hop count information is sent to judging unit 4022;
Described judging unit 4022 is used for judging according to described hop count information whether described forwarding of data number of times reaches threshold value, and judged result is sent to processing unit 4023;
If described hop count does not reach threshold value, then described processing unit 4023 is transmitted the rule described data of forwarding and is revised its hop count by presetting;
If described hop count reaches threshold value, then described processing unit 4023 abandons described data and announcement information feedback unit 501;
Described feedback information unit 501 is used for to data sending terminal or specific data retransmission unit feedback retransmission failure message, and the request detection forward-path.
Wherein, the data designated retransmission unit is a data forwarding device from data to the local data retransmission unit that transmit, and for example data forwarding device A transmits data to data forwarding device B, and the data designated retransmission unit then is data forwarding device A so herein.
More than data forwarding method and device and communication system in a kind of WIMAX network provided by the present invention are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. data forwarding method in the WIMAX network is characterized in that, comprising:
First forwarding unit receives the data from the transmitting terminal or second forwarding unit;
Judge whether described forwarding of data number of times reaches default threshold value,, then transmit described data,, then abandon described data if reach if do not reach.
2. data forwarding method in the WIMAX network according to claim 1 is characterized in that, the described step that abandons described data comprises afterwards:
To transmitting terminal or second forwarding unit feedback abnormal information, request detection forward-path.
3. the data forwarding method in the WIMAX network according to claim 2 is characterized in that, the step that described first forwarding unit receives from the data of the transmitting terminal or second forwarding unit comprises before:
The maximum that the numerical value of described data life period field is set to preset.
4. according to the data forwarding method in each described WIMAX network in the claim 1 to 3, it is characterized in that the described step of judging whether described forwarding of data number of times reaches threshold value comprises:
Whether the life cycle numerical value of judging described data is 0;
Described by comprising after the step that presets the described data of forwarding rule forwarding:
The numerical value of described data life period is subtracted 1.
5. the data forwarding method in the WIMAX network according to claim 2 is characterized in that, the step that described first forwarding unit receives from the data of the transmitting terminal or second forwarding unit comprises before:
The numerical value of described data forwarding time digital section is set to 0.
6. according to the data forwarding method in claim 1, the 2 or 5 described WIMAX networks, it is characterized in that the described step of judging whether described forwarding of data number of times reaches threshold value comprises:
Judge whether described data forwarding number of times numerical value is the threshold value that presets;
Described by comprising after the step that presets the described data of forwarding rule forwarding:
The numerical value of described data forwarding number of times is added 1.
7. a WIMAX network communication system is characterized in that, comprising:
Data sending terminal and data forwarding device;
Described data sending terminal is used for sending data to data forwarding device;
Described data forwarding device judges whether the forwarding of data number of times that receives reaches threshold value, if do not reach, then transmits the described data of rule forwarding by presetting, if reach, then abandons described data.
8. WIMAX network communication system according to claim 7 is characterized in that, described data forwarding device comprises:
Acquiring unit, judging unit and processing unit;
Described acquiring unit is used for obtaining described forwarding of data number of times information from the data that receive, and described hop count information is sent to judging unit;
Described judging unit is used for judging according to described hop count information whether described forwarding of data number of times reaches threshold value, and judged result is sent to processing unit;
If described hop count does not reach threshold value, then described processing unit is transmitted the rule described data of forwarding and is revised its hop count by presetting;
If described hop count reaches threshold value, then described processing unit abandons described data.
9. a WIMAX network data retransmission unit is characterized in that, comprising:
Acquiring unit, judging unit and processing unit;
Described acquiring unit is used for obtaining described forwarding of data number of times information from the data that receive, and described hop count information is sent to judging unit;
Described judging unit is used for judging according to described hop count information whether described forwarding of data number of times reaches threshold value, and judged result is sent to processing unit;
If described hop count does not reach threshold value, then described processing unit is transmitted the rule described data of forwarding and is revised its hop count by presetting;
If described hop count reaches threshold value, then described processing unit abandons described data.
10. WIMAX network data retransmission unit according to claim 9 is characterized in that described device also comprises:
The feedback information unit is used for feeding back retransmission failure message to data sending terminal or specific data retransmission unit after processing unit abandons described data, and the request detection forward-path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101727945A CN101212415A (en) | 2006-12-30 | 2006-12-30 | Data forwarding method and device and communication system in WIMAX network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101727945A CN101212415A (en) | 2006-12-30 | 2006-12-30 | Data forwarding method and device and communication system in WIMAX network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101212415A true CN101212415A (en) | 2008-07-02 |
Family
ID=39612100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101727945A Pending CN101212415A (en) | 2006-12-30 | 2006-12-30 | Data forwarding method and device and communication system in WIMAX network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101212415A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843283A (en) * | 2011-06-23 | 2012-12-26 | 中兴通讯股份有限公司 | Method and device for data forwarding protection |
| CN105407178A (en) * | 2015-12-24 | 2016-03-16 | 福州华鹰重工机械有限公司 | Vehicle ad hoc network routing method and device |
| CN106658355A (en) * | 2016-09-26 | 2017-05-10 | 珠海格力电器股份有限公司 | Method for forwarding broadcast packet in bluetooth BLE networking and system thereof |
| CN107517119A (en) * | 2016-06-17 | 2017-12-26 | 阿里巴巴集团控股有限公司 | Virtual network detection method and device under VPC environment |
| CN111245497A (en) * | 2020-01-10 | 2020-06-05 | 展讯通信（上海）有限公司 | Relay control method, system, electronic device, and storage medium |
-
2006
- 2006-12-30 CN CNA2006101727945A patent/CN101212415A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102843283A (en) * | 2011-06-23 | 2012-12-26 | 中兴通讯股份有限公司 | Method and device for data forwarding protection |
| WO2012174787A1 (en) * | 2011-06-23 | 2012-12-27 | 中兴通讯股份有限公司 | Data forward protection method and device |
| CN105407178A (en) * | 2015-12-24 | 2016-03-16 | 福州华鹰重工机械有限公司 | Vehicle ad hoc network routing method and device |
| CN107517119A (en) * | 2016-06-17 | 2017-12-26 | 阿里巴巴集团控股有限公司 | Virtual network detection method and device under VPC environment |
| CN107517119B (en) * | 2016-06-17 | 2021-02-26 | 阿里巴巴集团控股有限公司 | Virtual network detection method and device in VPC environment |
| CN106658355A (en) * | 2016-09-26 | 2017-05-10 | 珠海格力电器股份有限公司 | Method for forwarding broadcast packet in bluetooth BLE networking and system thereof |
| WO2018054043A1 (en) * | 2016-09-26 | 2018-03-29 | 珠海格力电器股份有限公司 | Method and system for forwarding broadcast packet in ble network |
| CN106658355B (en) * | 2016-09-26 | 2019-11-12 | 珠海格力电器股份有限公司 | A kind of method and system forwarding broadcast packet in bluetooth BLE networking |
| CN111245497A (en) * | 2020-01-10 | 2020-06-05 | 展讯通信（上海）有限公司 | Relay control method, system, electronic device, and storage medium |
| CN111245497B (en) * | 2020-01-10 | 2022-06-03 | 展讯通信（上海）有限公司 | Relay control method, relay control system, electronic device, and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11451951B2 (en) | Reduced context or context-less short message transmission for machine-type-communication | |
| US9716654B2 (en) | Communications terminal and method | |
| CN101189840B (en) | Data unit relay device and method for controlling the same | |
| KR100933399B1 (en) | Method and apparatus for receiving system information transmitted by base station in mobile communication system | |
| CN101340268B (en) | Implementing method and system for inter-node communication confirming mechanism | |
| US20130028235A1 (en) | Mobile communications network, infrastructure equipment and method | |
| US9491591B2 (en) | Method and apparatus for reliably transmitting group multicast using a cell broadcasting technique in a mobile communication system | |
| US20070230506A1 (en) | Method, device and system for transmitting very-long short message | |
| CN101212415A (en) | Data forwarding method and device and communication system in WIMAX network | |
| CN101977358A (en) | Method, device and equipment for transmitting data short messages | |
| US20110038369A1 (en) | Communication method and apparatus based on user datagram protocol | |
| WO2013167092A2 (en) | Method, device and system for remote management of terminal peripheral | |
| CN101888610A (en) | Method, system and device for realizing short message service | |
| KR20100093389A (en) | Apparatus and method for managementing path between nodes in mobile communication system | |
| CN101772194B (en) | General packet radio service tunnel user plane path keep-alive method and system | |
| CN106470481B (en) | Paging method, base station and paging system | |
| CN105247901A (en) | Device and method for managing multicast group in wireless network | |
| KR101143510B1 (en) | Apparatus and method for message transmission in delay tolerant network using communication infrastructure | |
| CN101378538B (en) | Method and system for processing group-emitting message | |
| GB2493216A (en) | Mobile communications network with reduced signalling requirement | |
| CN102761910A (en) | Service range flow control method | |
| KR100980851B1 (en) | Device for processing incomplete short message service and method thereof | |
| CN105577550A (en) | Processing method and apparatus for unicast data packet | |
| KR100932125B1 (en) | Video MAC protocol support data frame transmission and reception method and system | |
| CN102917322A (en) | Method and device for implementation of disaster tolerance of multi-media message service system |
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: 20080702 |