CN112996045B - Method and system for forwarding dimension link packet of mesh multi-frequency networking path - Google Patents
Method and system for forwarding dimension link packet of mesh multi-frequency networking path Download PDFInfo
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- CN112996045B CN112996045B CN202110152517.2A CN202110152517A CN112996045B CN 112996045 B CN112996045 B CN 112996045B CN 202110152517 A CN202110152517 A CN 202110152517A CN 112996045 B CN112996045 B CN 112996045B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/021—Traffic management, e.g. flow control or congestion control in wireless networks with changing topologies, e.g. ad-hoc networks
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Abstract
The invention provides a dimension chain packet forwarding method of a mesh multi-frequency networking path. The invention also provides a dimension chain packet forwarding system of the mesh multi-frequency networking path. The invention has the beneficial effects that: a new polling and forwarding mechanism is adopted, the original polling of the originating end is changed into the polling and sending of the originating end and the forwarding end at the same time, the influence of wireless link packets under multi-frequency networking on the air interface is greatly reduced, and the phenomenon that the air interface is occupied due to the fact that the forwarding end forwards too many packets at the same time is avoided.
Description
Technical Field
The invention relates to a dimension chain packet forwarding method, in particular to a dimension chain packet forwarding method and system of a mesh multi-frequency networking path.
Background
When mesh multi-frequency networking is carried out, a plurality of (more than 2) mesh networking can generate a plurality of wireless paths in the networking, wherein the wireless paths comprise single-hop wireless paths and multi-hop wireless paths, and when each networking device is added, the number of the wireless paths is increased in an almost exponential order.
Each wireless path exists in the networking, a maintenance aging period of a maintenance chain packet is needed, when the networking equipment is few, the maintenance chain packet may not greatly affect an air interface, but when the networking equipment exceeds 10 or even 18, the number of the maintenance chain packets in the networking is large, the current air interface is seriously affected, and therefore the current data communication quality is affected.
Currently, for processing the wiki link packet transmission and forwarding of the wireless path of the multi-frequency device networking, referring to fig. 1, an originating end a transmits in a full band, and a forwarding end B also transmits in a full band, if more networking devices are used, the air interface is occupied, in fig. 1, almost the transmission and forwarding in the full band are performed, so that a large number of packets always exist in the air interface along with the increase of the number of networking devices, and the air interface is seriously congested.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method and a system for forwarding a dimension chain packet of a mesh multi-frequency networking path.
The invention provides a dimension chain packet forwarding method of a mesh multi-frequency networking path.
As a further improvement of the invention, after the forwarding end receives the packet from the originating end according to the polling packet from the originating end, the type of the packet to be forwarded to the next receiving end is selected according to the type of the packet, thereby realizing the polling packet from the originating end and driving the forwarding end to poll the packet.
As a further improvement of the invention, the initiative packet sending process of the initiating terminal is as follows:
a1, performing polling calculation by an originating terminal to obtain a frequency band of a current packet to be transmitted;
a2, executing packet sending of the frequency band of the current packet to be sent;
a3, judging whether the polling is finished, if so, executing the step A4, and if not, executing the step A1;
and A4, ending.
As a further improvement of the invention, the packet forwarding process at the forwarding end is as follows;
b1, receiving a packet;
b2, judging whether forwarding is needed, if not, executing a step B5, and if so, executing a step B3;
b3, performing polling calculation by the forwarding end to obtain the frequency band of the current packet to be forwarded;
b4, executing the forwarding packet by the frequency band of the current packet to be forwarded;
b5, judging whether the forwarding polling is finished or not, if so, executing a step B6, and if not, executing a step B1;
and B6, ending.
The invention also provides a dimension chain packet forwarding system of the mesh multi-frequency networking path, which is used for realizing the method in any one of the above.
The beneficial effects of the invention are: a new polling and forwarding mechanism is adopted, the original polling of the originating end is changed into the polling and sending of the originating end and the forwarding end at the same time, the influence of wireless link packets under multi-frequency networking on the air interface is greatly reduced, and the phenomenon that the air interface is occupied due to the fact that the forwarding end forwards too many packets at the same time is avoided.
Drawings
Fig. 1 is a schematic diagram of prior art uncontrolled packet transmission.
Fig. 2 is a schematic diagram of a polling control forwarding packet of the dimension link packet forwarding method of the mesh multi-frequency networking path of the invention.
Fig. 3 is an originating end flowchart of a dimension link packet forwarding method of a mesh multi-frequency networking path according to the present invention.
Fig. 4 is a flow chart of a forwarding end of the method for forwarding the wiki link packet in the mesh multi-frequency networking path of the present invention.
Detailed Description
The invention is further described with reference to the following description and embodiments in conjunction with the accompanying drawings.
As shown in fig. 2 to 4, in the method for forwarding the wiki link packet in the mesh multi-frequency networking path, a new polling forwarding mechanism is changed from polling at an original packet originating end to polling and sending at a time transmitting end and a forwarding end at the same time, so that the influence of the wireless wiki link packet in the multi-frequency networking on an air interface is further greatly reduced.
The algorithm of the new polling packet-sending mechanism is mainly that after receiving the packet of the initial end, the forwarding end selects the type of the packet to be forwarded to the next receiving end according to the type of the packet according to the polling packet-sending of the initial end, thereby realizing the polling packet-sending of the initial end and driving the forwarding end to poll and send the packet. The following algorithm for analyzing a new polling packet sending mechanism from a scenario includes the following specific steps:
three-frequency networking of 3 or more than 3 devices:
an originating end and a forwarding end both poll and send packets, referring to fig. 2, in the 3 three-frequency devices in the figure, the originating end is a device a, the forwarding end is a device B, and when the device a polls for the first time, the packets received by the device B and sent by the device a are all forwarded by band 1; when the device A polls for the second time, the device B receives the packet which is transmitted from the device A and is forwarded from the band 2; similarly, when the device a polls for the third time, the packet received by the device B from the device a is forwarded from the band 3. For the originating device a, the forwarding device B polls once every three times, so that the phenomenon that the air interface is full due to too many packets being forwarded by the forwarding terminal at the same time is avoided.
As shown in fig. 3 and 4, after the devices are networked, each device will serve as an originating end to send a dimension chain packet, and will also serve as a forwarding end to receive dimension chain packets of other devices, and then forward the dimension chain packets; the originating end calculates which band (frequency band) to send the packet next according to the originating polling, and calculates which band to send the packet out by the forwarding polling after receiving the packet; poll computation is initiated and the transmission of bands in turn is determined by time interval and count. And forwarding polling calculation, namely determining which band is currently forwarded through polling of the upper-level packet sending equipment.
(1) The initiation process is as follows:
A1. the band of the current packet to be sent is obtained by the initial polling calculation.
A2. And executing the package sending.
A3. Judging whether the polling is finished, if so, executing the step A4; otherwise, step A1 is executed.
A4. And (6) ending.
(2) The forwarding process specifically includes:
B1. a packet is received.
B2. If the forwarding is required, step B5 does not need to be executed, and step B3 needs to be executed.
B3. And forwarding polling calculation is carried out to obtain the band for determining forwarding.
B4. And (6) forwarding the packet.
B5. And if the forwarding polling is finished, executing the step B6, and otherwise executing the step B1.
B6. And (6) ending.
The dimension chain packet forwarding method of the mesh multi-frequency networking path is used for optimizing the condition that an air interface caused by a wireless dimension chain packet is high when multi-frequency multi-station networking is carried out, the number of networking equipment can be further increased, and 18 networking equipment can be broken through.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (2)
1. A mesh multi-frequency networking path dimension chain packet forwarding method is characterized in that: in multi-frequency networking, an originating end and a forwarding end poll and send packets simultaneously, and after receiving the packets of the originating end, the forwarding end selects the type of the packets to be forwarded to the next receiving end according to the type of the packets according to the polling and sending packets of the originating end, so that the originating end polls and sends the packets and drives the forwarding end to poll and send the packets;
the initiative packet sending process of the initiating terminal is as follows:
a1, performing polling calculation by an originating terminal to obtain a frequency band of a current packet to be transmitted;
a2, executing packet sending of the frequency band of the current packet to be sent;
a3, judging whether the polling is finished, if so, executing the step A4, and if not, executing the step A1;
a4, ending;
the packet forwarding process at the forwarding end is as follows;
b1, receiving a packet;
b2, judging whether forwarding is needed, if not, executing a step B5, and if so, executing a step B3;
b3, performing polling calculation by the forwarding end to obtain the frequency band of the current packet to be forwarded;
b4, executing the forwarding packet by the frequency band of the current packet to be forwarded;
b5, judging whether the forwarding polling is finished or not, if so, executing a step B6, and if not, executing a step B1;
and B6, ending.
2. A dimension chain packet forwarding system of mesh multi-frequency networking path is characterized in that: comprising an originator side and a forwarder side for implementing the method as claimed in claim 1.
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Citations (2)
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| CN106130824A (en) * | 2016-07-22 | 2016-11-16 | 杨志军 | Integration of three networks broadband access priority polling control method and system |
| WO2017000677A1 (en) * | 2015-06-30 | 2017-01-05 | 中兴通讯股份有限公司 | Multicast control method and device |
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| US5675635A (en) * | 1996-01-24 | 1997-10-07 | Sprint Communications Company L.P. | System and method for conducting poll at a processor associated with the originating switch |
| US6788670B1 (en) * | 2000-10-27 | 2004-09-07 | Telefonaktiebolaget Lm Ericsson (Publ) | Method for forwarding in multi-hop networks |
| JP3451440B2 (en) * | 2002-01-18 | 2003-09-29 | 富士通株式会社 | Polling communication system and polling control method |
| CN101437293A (en) * | 2008-12-05 | 2009-05-20 | 浙江大学 | Method for polling long distance wireless multi-hop data facing transparent transmission equipment |
| CN105872853A (en) * | 2016-05-27 | 2016-08-17 | 乐视控股（北京）有限公司 | Polling control method, device and system |
| CN106302032B (en) * | 2016-10-25 | 2019-09-17 | 成斌 | A kind of point-to-multipoint poll means of communication |
| CN111741499B (en) * | 2020-07-31 | 2022-06-03 | 深圳市吉祥腾达科技有限公司 | Multi-band convergence method for intelligent wireless networking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017000677A1 (en) * | 2015-06-30 | 2017-01-05 | 中兴通讯股份有限公司 | Multicast control method and device |
| CN106130824A (en) * | 2016-07-22 | 2016-11-16 | 杨志军 | Integration of three networks broadband access priority polling control method and system |
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