CN103188736B - Based on the ANT node power power-economizing method of flow control - Google Patents
Based on the ANT node power power-economizing method of flow control Download PDFInfo
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- CN103188736B CN103188736B CN201310128669.4A CN201310128669A CN103188736B CN 103188736 B CN103188736 B CN 103188736B CN 201310128669 A CN201310128669 A CN 201310128669A CN 103188736 B CN103188736 B CN 103188736B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
A kind of ANT node power power-economizing method based on flow control, it is characterized in that: in described ANT wireless network, node adopts the method for adaptive flow load to reduce and wakes up and wait for the transmission time, when ensureing to send data integrity, from the wakeup time gap that main separation data send; ANT node wakes time slot up by flow load adjustment, obtains maximum life cycle and guarantees normal communication simultaneously.The present invention reduces waking up of ANT node by adopting the method for adaptive flow load and waits for the transmission time, when node can ensure data integrity, from the wakeup time gap that main separation data send, greatly reduce the wakeup time of node, reduce node energy consumption.It not only improves the shortcoming of traditional power-saving mechanism, and provides a kind of new self-adaptative adjustment Energy Saving Strategy, under the data source of various pattern, can keep good performance.
Description
Technical field
The present invention relates to a kind of power technology, especially a kind of logical technology of node power joint of ANT wireless network, particularly relates to a kind of radio node adjusts energy consumption automatically according to the flow load ANT node power power-economizing method based on flow control when transfer of data.
Background technology
ANT wireless network is a kind of topological structure network very flexibly, and it both may be used for small wireless network, also may be used in large complicated wireless network.Node in ANT network has various different data source, can adhere to different networks separately simultaneously, and on different passages, both can as host node, also can as from node, and therefore node is energy-conservation is one of difficult problem in ANT network.
At present, the MAC protocol generally adopted in wireless network, as SMAC, TMAC, PMAC and QMAC is suggested, but these MAC protocol can cause postponing for a long time and can not the load flow of self adaptation ANT wireless network node, the energy of major part wireless sensor node is wasted in idle listening stage when waiting for other node transmission data, and node can only transmit data to the node not being in park mode, under these conditions, whether node needs other node of running check to be in wake up and prepare transmission state, therefore can increase more energy consumption.Traditional power-saving mechanism based on synchronous-cycle sleeping/waking encounters a lot of difficulty in wireless ANT network, and this is mainly because synchronous difficulty causes.Under extensive, high density, multi-hop, two mobility network environment, the expense of clock synchronous is very large.An extreme example is two each self synchronous sub-networks, if moved together, these two networks can be asynchronous mutually, causes network to break up.
Summary of the invention
To the object of the invention is for existing ANT wireless network, because adopting the problem that network design band energy energy consumption is high flexibly, to propose a kind of ANT node power power-economizing method based on flow control.It not only improves the shortcoming of traditional power-saving mechanism, and provides a kind of new self-adaptative adjustment Energy Saving Strategy, under the data source of various pattern, can keep good performance.
Technical scheme of the present invention is:
A kind of ANT node power power-economizing method based on flow control, it is characterized in that: in described ANT wireless network, node adopts the method for adaptive flow load to reduce and wakes up and wait for the transmission time, when ensureing to send data integrity, from the wakeup time gap that main separation data send; ANT node wakes time slot up by flow load adjustment, obtains maximum life cycle and guarantees normal communication simultaneously.
Described time-slot division defines according to Quorum system, and adopt GridQuorum system, its mathematical definition is: by U={1 ... N}, N=n
2individual arrangement of elements, on the grid of n × n, chooses any a line and any column element composition Q
i, all Q
ithe set of composition is exactly GridQuorum system, Q
ifor Quorum.This algorithm idea, for adopting distributed method, makes the time slot that wakes up of node become specific distribution, ensures that time slot has overlapping each other, and wakes time slot up and account for the ratio of total time and be classified as minimum.
Waking up nodes communication occasions of the present invention first according to the size of flow load p, must draw the wakeup time interval in each node cycle
with wake time slot T up.Then by comparison node Q
rsize, select the suitable moment of waking up to communicate.
The present invention adopts asynchronous power-saving mechanism, coordinates self-adaptative adjustment mechanism, decreases unnecessary data syn-chronization, ensure the synchronous of necessity simultaneously in local time/area of space.
ANT node of the present invention can under the data source of various pattern, self-adapting data load, reduces the waking up nodes time cycle, keeps good energy-efficient performance.
Beneficial effect of the present invention:
1, the present invention can make the node in ANT wireless network, is carried out the sleep time of self adaptation adjustment node by flow load, effectively extends the life cycle of network node.
2, the present invention can arrange the wakeup time table of each ANT node, and ensuring escapement from confliction realizes dormancy after data transmit-receive as far as possible, and activates when needs data transmit-receive, thus reduces the network node idle listening time, saves power supply energy consumption.
3, the present invention adopts a kind of distributed method, makes the activation time slot of node become a kind of specific distribution, and between ensureing mutually, time slot has overlapping, and activates ratio that time slot accounts for total time and reach and minimize.
4, the invention provides a kind of asynchronous power-saving mechanism newly, coordinate adaptive re-configuration police, decrease unnecessary data syn-chronization, in local time/area of space, ensure the synchronous of necessity simultaneously, and under the data source of various pattern, good energy-efficient performance can be kept.
Accompanying drawing explanation
Fig. 1 is ANT wireless network schematic described in the invention.
Fig. 2 is time-slot division schematic diagram described in the invention.
Fig. 3 is node communication timetable schematic diagram described in the invention.
Fig. 4 is ANT node power energy conservation schematic flow sheet of the present invention.
Embodiment
Below in conjunction with drawings and Examples, explanation detailed is further done to the present invention.
As shown in Figure 1, ANT wireless network of the present invention is made up of transducer, relaying and concentrator.The substantive characteristics of concentrator node receives and data under processing each data source, ensures, under the data source of various pattern, can effectively intercom mutually between node.One of them example is motion monitoring system.Embed concentrator in sports watch, be used for receiving, processing and record the data that each sensor node sends, sensor node comprises temperature, heart rate, GPS locates, blood pressure and speed etc., be individually fixed in each position of human body, thus composition is based on the motion monitoring system of ANT radio sensing network.Concentrator also can be connected with other ANT equipment by relaying, can realize the covering on a large scale of ANT wireless network like this.
Fig. 2 is time-slot division schematic diagram described in the invention.Setting flow load data packet length L=12, is divided into basic, normal, high and superelevation four kinds of situations by flow load.When flow load is low, the first row time slot of time-slot division table is selected to carry out transmission data, when flow load is medium, the first row of time-slot division table and secondary series time slot is selected to carry out transmission data, when flow load is high, select the first row of time-slot division table, secondary series and the 3rd row time slot to carry out transmission data, when flow load is superelevation, select whole time slot to carry out transfer of data.Time slot is set to the matrix of n × n (n=4), supposes that p is flow load,
(N=n
2) be the wakeup time interval in each cycle, suppose that receiving node wakes up completely when sending node sends packet L, waking time slot up is that T then has:
T=1,n+1,2n+1,3n+11≤p≤3
T=1,n+1,2n+1,3n+1,2,n+2,2n+2,3n+24≤p≤6
T=1,n+1,2n+1,3n+1,2,n+2,2n+2,3n+2,
3,n+3,2n+3,3n+37≤p≤9
T=1,n+1,2n+1,3n+1,2,n+2,2n+2,3n+2,
3,n+3,2n+3,3n+3,4,n+4,2n+4,3n+410≤p≤12
Q
r=0,T=0p=0
Fig. 3 is waking up nodes communication occasions schematic diagram described in the invention.Node can intercom mutually from main separation wakeup time, has 3 kinds of situations as follows:
1, the active time of sending node is less than receiving node, i.e. Q
rA< Q
rD, then data send and complete in the wakeup time of A.
2, the active time of sending node is more than receiving node, i.e. Q
rA> Q
rD, then data send and first check whether receiving node D is in wake-up states, if D is in wake-up states, then sending node A sends data to D; Otherwise sending node A sends a wake command to receiving node D, after the receiving node D arrival next one wakes time slot up, send one to sending node A at once and wake confirmation up, then node A starts to send data after receiving confirmation.
3, the active time of sending node equals receiving node, i.e. Q
rA=Q
rD, then sending node A can send data waking up arbitrarily the moment to receiving node D.
Visible when intercoming mutually among the nodes, the Time Slot Overlap of two nodes is more much easilier realizes communication handshake in advance.
Fig. 4 is the workflow diagram of ANT node power power-economizing method of the present invention.The communication process of node is as follows:
Step one: sending node is in circulation resting state, does not stop to have checked whether that data send.
Step 2: receive the data needing to send, then carry out the size judging data volume, select sending time slots.
Step 3: first whether sending node inquire-receive node is in wake-up states, then according to wake-up period interval, distribution node communication occasions table, finally when ensureing data integrity, sending node is selected suitable to wake time slot up and receiving node completes transfer of data.
The workflow of this method sends based on data by sending node, when realizing local time and being synchronous, select reliably to wake time slot up, and select different transmit mechanisms according to different size of data, thus minimizing node energy consumption, prolong network lifetime.
The part that the present invention does not relate to prior art that maybe can adopt all same as the prior art is realized.
Claims (2)
1. the ANT node power power-economizing method based on flow control, it is characterized in that: in described ANT wireless network, node adopts the method for adaptive flow load to reduce and wakes up and wait for the transmission time, when ensureing to send data integrity, from the wakeup time gap that main separation data send; ANT node wakes time slot up by flow load adjustment, obtains maximum life cycle and guarantees normal communication simultaneously; Described time-slot division according to Quorum system definition, by U={1 ... N}, N=n
2individual arrangement of elements, on the grid of n × n, chooses any a line and any column element composition Q
i, all Q
ithe set of composition is exactly GridQuorum system, Q
ifor Quorum, adopt distributed method, what make node wakes time slot up by setting distribution, ensure that time slot has overlapping each other, and waking time slot up, to account for the ratio of total time is minimum; Waking up nodes communication occasions is characterized in that, first according to the size of flow load p, drawing the wakeup time interval in each node cycle
with wake time slot T up; Then comparison node Q
rsize, select the suitable moment of waking up to communicate; Adopt asynchronous power-saving mechanism, coordinate self-adaptative adjustment mechanism, reduce unnecessary data syn-chronization, in local time/area of space, ensure the synchronous of necessity simultaneously; The described time slot T that wakes up meets following relation:
T＝1,n+1,2n+1,3n+11≤p≤3
T＝1,n+1,2n+1,3n+1,2,n+2,2n+2,3n+24≤p≤6
T＝1,n+1,2n+1,3n+1,2,n+2,2n+2,3n+2,
3,n+3,2n+3,3n+37≤p≤9
T＝1,n+1,2n+1,3n+1,2,n+2,2n+2,3n+2,
3,n+3,2n+3,3n+3,4,n+4,2n+4,3n+410≤p≤12
Q
r＝0,T＝0p＝0
。
2. method according to claim 1, is characterized in that ANT node can under the data source of various pattern, self-adapting data load, reduces the waking up nodes time cycle, keeps good energy-efficient performance.
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| CN104796958B (en) * | 2015-03-12 | 2016-04-20 | 中南大学 | Based on the media access control method of the wireless sensor network of Quorum system |
| CN113543203B (en) * | 2020-04-14 | 2023-10-24 | 海能达通信股份有限公司 | Communication resource allocation and communication node awakening method |
| CN111954288B (en) * | 2020-08-18 | 2021-05-07 | 深圳市微网力合信息技术有限公司 | Wireless communication method, device, system and storage medium |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442551A (en) * | 2008-11-13 | 2009-05-27 | 上海交通大学 | Independence self-adapting regulation method for sensor node dutyfactor based on IEEE802.15.4 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442551A (en) * | 2008-11-13 | 2009-05-27 | 上海交通大学 | Independence self-adapting regulation method for sensor node dutyfactor based on IEEE802.15.4 |
Non-Patent Citations (1)
| Title |
|---|
| 基于自适应Quorum系统的工业无线网络节能算法的研究;任超;《中国优秀硕士学位论文全文数据库（电子期刊）》;20130131;摘要，标题4.2.1 * |
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