CN102196598B - Self-adaptive hybrid MAC (Media Access Control) protocol of wireless sensor network - Google Patents
Self-adaptive hybrid MAC (Media Access Control) protocol of wireless sensor network Download PDFInfo
- Publication number
- CN102196598B CN102196598B CN2011101430963A CN201110143096A CN102196598B CN 102196598 B CN102196598 B CN 102196598B CN 2011101430963 A CN2011101430963 A CN 2011101430963A CN 201110143096 A CN201110143096 A CN 201110143096A CN 102196598 B CN102196598 B CN 102196598B
- Authority
- CN
- China
- Prior art keywords
- node
- time slot
- time
- backbone
- slot
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a self-adaptive hybrid MAC (Media Access Control) protocol of a wireless sensor network, belonging to the technical field of wireless sensor networks. The self-adaptive hybrid MAC protocol of the wireless sensor network is technically characterized by comprising the following steps of: a synchronous algorithm based on sink node-backbone node-ordinary node graded rough synchronization and ondemand fine synchronization, a cross timeslot allocation algorithm used for solving the problem of fairness of the node access of a heterogeneous sensor in a network environment and based on a fixed time frame length, a burst data race transmission method based on a reserved timeslot block, a CSMA/CA (Carrier Sense Multiple Access/Complex Arithmetic) algorithm based on service grade weighing retreat, a cross timeslot block allocation algorithm based on service grade weighing and a clock drifting influence offset method based on sending jitter and propagation delay protection. According to the self-adaptive hybrid MAC protocol, the integral energy consumption of the wireless sensor network can be reduced and the requirements for QoS (Quality of Service) of different service grades are met and a bran-new real-time data transmission solution scheme is provided for the application of the wireless sensor network with periodic event perception and event triggers perception.
Description
Technical field
The present invention relates to a kind of wireless sensor network ADAPTIVE MIXED MAC agreement, belong to the wireless sensor network technology field.
Background technology
Wireless sensor network, as the interface of real world and digital world, has boundless application prospect in fields such as military affairs, industrial or agricultural, city management, digital building, environmental monitoring, rescue and relief work, deathtrap remote monitoring.
The MAC agreement is one of key network agreement guaranteed the wireless sensor network efficient communication, it determines the occupation mode of wireless channel, between sensor node, distribute limited radio channel resource, be used for building the underlying basis framework of wireless sensor network system, the performance of wireless sensor network is had to very important impact.
At present, MAC protocol for wireless sensor networks mainly contains three classes: the first kind is based on the MAC agreement of competition; Its basic thought is when having data to send, and sensor node is by the contention access channel; If clash, adopt certain strategy to resend data, until data send success or abandon sending.This quasi-protocol adopts the carrier sense mode of operation usually, and in conjunction with collision avoidance mechanism, handshake with keep out of the way the possibility that access mechanism reduces conflict.Its advantage be agreement simple, can expand; Shortcoming be have collision, cross-talk, the problem such as fairness is poor and channel utilization is low.Equations of The Second Kind is based on the MAC agreement of scheduling; Its basic thought is to adopt certain dispatching algorithm to make each sensor node only in given time period/sub-band/orthogonal code, access channel to communicate, the node that does not participate in communication enters sleep state with energy-conservation, its major advantage be can realize without conflict communication, the duty ratio controllability is good, network energy efficiency is high, shortcoming is poor expandability, synchronously requires high and scheduled maintenance expense large etc.The 3rd class is hybrid MAC protocols, and its basic thought is in conjunction with the MAC agreement based on competition with based on the advantage of MAC agreement of scheduling, avoids simultaneously shortcoming separately.When time-space domain or the change of certain network condition, this quasi-protocol still shows as take certain quasi-protocol as main, and other agreement is auxiliary characteristic.The major advantage of agreement is to be conducive to the network global optimization, and weak point is the common more complicated of algorithm.
There is following common defects in above existing MAC protocol for wireless sensor networks: the real-time Transmission that can't guarantee simultaneously periodicity perception data and bursty data; The channel that can't guarantee the heterogeneous sensor node is used fairness; Can't meet the QoS needs of heterogeneous sensor different business grade, these problems cause existing MAC agreement can't adapt to the complicated applications occasion of the heterogeneous sensor network that recurrent event perception and event-driven perception coexist.
Summary of the invention
The objective of the invention is to overcome the weak point of existing wireless sensor network MAC agreement, the heterogeneous sensor network application coexisted for recurrent event perception and event-driven perception, a kind of wireless sensor network ADAPTIVE MIXED MAC agreement is proposed, the real-time Transmission of sexy data of cycle and bursty data in the application of solution wireless sensor network, heterogeneous sensor node channel access fairness, the problems such as the different QoS needs of heterogeneous sensor different business grade, for wireless sensor network, can support simultaneously recurrent event perception and event-driven perception task technical support is provided.
A kind of wireless sensor network ADAPTIVE MIXED MAC agreement of the present invention comprises the following steps:
1, a kind of wireless sensor network ADAPTIVE MIXED MAC agreement, is characterized in that, comprises the following steps:
1) network is three etale topology structures;
Network is comprised of aggregation node, backbone node and ordinary node, and ordinary node sends to backbone node by perception data, is transmitted to aggregation node after by backbone node, completing data fusion;
2) the cross time-slot allocation algorithm of frame length based on fixedly the time;
21) time frame means with TF, and time slot means with TS, TF=3 * 2
kTS (0≤k≤15), wherein k is determined by bunch amount of capacity, TS is determined by data packet size, message transmission rate and clock drift parameter, time frame start to use the time frame beacon identity, wherein comprise the parameters such as subnet number, beacon time stamp, beacon duration, time slot sum, remaining time slots number;
22) time frame is divided into to tri-groups of A, B, C, every group comprises 2
kIndividual time slot, the time slot in every group all distributes a call number, and span is 0～2
k-1.The time slot of the time slot of each time slot group and other time slot group replaces layout: A-0, and B-0, C-0, A-1, B-1, C-1 ..., A-2
k-1, B-2
k-1, C-2
k-1;
23) A-0, B-0, C-0 is reserved time slot, wherein A-0 is synchronizeed with the aggregation node essence for backbone node; B-0 networks essence synchronously for newly-increased node, and C-0 is for newly-increased node receiving slot allocation of parameters;
24) do not comprise reserved time slot, A group time slot is the fixedly time slot of distributing to ordinary node, to backbone node, sends data for ordinary node; B group time slot is public competition slot, to backbone node, sends bursty data for ordinary node; C group time slot is the reserved time slot of backbone node, to aggregation node, sends data for backbone node;
25) according to the QoS demand, each node can distribute a plurality of time slots, is called the time slot piece, and the size of time slot piece is characterized by the repetition rate number, and the repetition rate number equals the logarithm of number of time slots distribution, and the time slot piece that node n distributes can be expressed as:
Wherein A means that the time slot piece of node n is the subset of A group time slot,
The initial time slot index value of time slot piece that means node n, R
nMean the time slot repetition rate value of node n, each time slot index in the time slot piece can be expressed as:
Wherein the value of m is
When 26) the network initial topology formed, the A group time slot that backbone node is distributed to ordinary node can not surpass 80% of the total timeslot number of A group, and except reserved time slot, unallocated time slot is the newly-increased standby time slot of node;
3) based on the clock drift that sends shake and propagation delay protection, affect counteracting method;
The time precision of sensor node descends along with the drift of local clock, and in the beginning of sending time slots with finish the transmission conflict that time-interleaving that reserved a period of time Δ t can the offset clock drift produces causes, Δ t is by following formula is arranged:
Frame length when wherein TF is,
For sensor node local clock drift rate;
4) the cross time-slot block-distributing algorithm of service based grade weighting;
Utilize step 2) described time slot block-distributing algorithm, the node high for the grade of service distributes more time slot;
5) and as required smart synchronous synchronized algorithm thick synchronous based on aggregation node-backbone node-ordinary node classification;
51) at the network topology formation stages, aggregation node is periodically broadcasted the networking sync message, in this sync message, comprises the current time of aggregation node; Backbone node is adjusted the local zone time of oneself according to the networking sync message received, realize thick synchronous.After slightly synchronously completing, backbone node adopts CSMA/CA and random back mechanism access channel, synchronizes by bi-directional exchanging mechanism and aggregation node realization networking essence;
52) in the network operation stage, the time precision of backbone node can descend along with the drift of local clock, therefore need synchronous again, backbone node is according to the time precision class requirement, at time slot A-0 interior employing CSMA/CA and random back mechanism access channel, realize smart synchronizeing by bi-directional exchanging mechanism and aggregation node as required;
53) at the network topology formation stages, after backbone node is realized synchronizeing with aggregation node is smart, start periodically broadcast beacon, beacon comprises the information such as subnet number, time stamp, transmitting power; After ordinary node is received beacon, according to the beacon time stamp, adjust the time of oneself, realize thick synchronous; Ordinary node may be received a plurality of different backbone node beacons that come from, and ordinary node selects suitable aggregation node to send the request of networking according to the intensity that receives beacon power; Backbone node distributes the corresponding time slot piece according to the characteristic parameter (comprising dump energy, the grade of service, application number of time slots etc.) of networking requesting node for each node; Each node utilization distributes the initial time slot of time slot piece to complete with the networking of backbone node essence to synchronize;
54) in the network operation stage, the time precision of ordinary node can descend along with the drift of local clock, therefore needs synchronous again; Ordinary node is according to the time precision class requirement, as required at the initial time slot of time slot piece distribution, realizes that by bi-directional exchanging mechanism and backbone node essence synchronizes, do not need when synchronous, distribute the initial time slot of time slot piece to be used for transmitting data;
55) in the network operation stage, it is thick synchronous that newly-increased node utilizes the time frame beacon to network, and then at the B-0 time slot, realizes smart synchronizeing by bi-directional exchanging mechanism and backbone node, and the time slot allocation parameter that receives backbone node at the C-0 time slot networks;
6) based on the burst transfers of data method of public competition slot piece;
Need the node of transmission bursty data to organize time slot (except B-0) by CSMA/CA competition mechanism access channel at B;
7) the CSMA/CA algorithm kept out of the way of service based grade weighting;
Sensor node is classified according to the grade of service, and node back off time in the competition slot piece that the grade of service is high is shorter, thereby obtains higher channel access probability.
The invention has the beneficial effects as follows the weak point that can overcome existing wireless sensor network MAC agreement; In the application of solution wireless sensor network, the problems such as different QoS needs of the real-time Transmission of recurrent event perception and event-driven perception data, heterogeneous sensor node channel access fairness, heterogeneous sensor different business grade, can support simultaneously recurrent event perception and event-driven perception task for wireless sensor network technical support is provided.
The accompanying drawing explanation
Fig. 1 is the sequence chart of a kind of wireless sensor network ADAPTIVE MIXED MAC agreement of the present invention;
Fig. 2 is the workflow diagram of a kind of wireless sensor network ADAPTIVE MIXED MAC agreement of the present invention.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples, as shown in Figure 1, 2, the present invention includes following steps:
(1) at the network topology formation stages, aggregation node is periodically broadcasted the networking sync message, in this sync message, comprises the current time of aggregation node; Backbone node is adjusted the local zone time of oneself according to the networking sync message received, realize thick synchronous.After slightly synchronously completing, backbone node adopts CSMA/CA and random back mechanism access channel, synchronizes by bi-directional exchanging mechanism and aggregation node realization networking essence.
(2) at the network topology formation stages, after backbone node is realized synchronizeing with aggregation node is smart, start periodically broadcast beacon, beacon comprises the information such as subnet number, time stamp, transmitting power; After ordinary node is received beacon, according to the beacon time stamp, adjust the time of oneself, realize thick synchronous; Ordinary node may be received a plurality of different backbone node beacons that come from, and ordinary node is selected suitable backbone node according to the intensity that receives beacon power, and adopts CSMA/CA and random back mechanism access channel to send the request of networking; Backbone node distributes the corresponding time slot piece according to the characteristic parameter (comprising dump energy, the grade of service, application number of time slots etc.) of networking requesting node for each node; Each node utilization distributes the initial time slot of time slot piece to complete with the networking of backbone node essence to synchronize.
(3) in the network operation stage, the time precision of backbone node can descend along with the drift of local clock, therefore needs synchronous again.Backbone node, according to the time precision class requirement, at time slot A-0 interior employing CSMA/CA and random back mechanism access channel, is realized smart synchronizeing by bi-directional exchanging mechanism and aggregation node as required.
(4) in the network operation stage, the time precision of ordinary node can descend along with the drift of local clock, therefore needs synchronous again.Ordinary node, according to the time precision class requirement, at the initial time slot of time slot piece distribution, is realized smart synchronizeing by bi-directional exchanging mechanism and backbone node as required.Do not need when synchronous, distribute the initial time slot of time slot piece to be used for transmitting data.
(5) in the network operation stage, it is thick synchronous that newly-increased node utilizes the time frame beacon to network, and then at the B-0 time slot, realizes smart synchronizeing by bi-directional exchanging mechanism and backbone node.
(6) in the network operation stage, if current time slots just in time belongs to a certain node, this node can utilize current time slots to send the data to affiliated backbone node.
(7) in the network operation stage, if the perception data of a certain node exceeds the setting thresholding, the data that need to will transfinite within the shortest time send to affiliated backbone node.If current time slots just in time belongs to this node, this node can utilize current time slots to send the data to affiliated backbone node; If current time slots does not belong to this node, and belong to step 24) the B group time slot of regulation, this node adopts CSMA/CA and random back mechanism access channel, sends the data to affiliated backbone node; If current time slots belongs to step 24) the C group time slot of regulation, need to wait for next time slot, if next time slot belongs to this node, this node can utilize next time slot to send the data to affiliated backbone node, otherwise wait for again a time slot, adopt CSMA/CA and random back mechanism access channel, send the data to affiliated backbone node.
(8) in the network operation stage, backbone nodes use step 24) C of regulation group time slot sends the data to aggregation node.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in scope disclosed by the invention; the variation that can expect easily or replacement, all should be encompassed in the protection range of the claims in the present invention.
Claims (1)
1. a wireless sensor network ADAPTIVE MIXED slot allocation method, is characterized in that, comprises the following steps:
1) network is three etale topology structures:
Network is comprised of aggregation node, backbone node and ordinary node, and ordinary node sends to backbone node by perception data, is transmitted to aggregation node after by backbone node, completing data fusion;
2) the cross time-slot allocation algorithm of frame length based on fixedly the time:
21) time frame means with TF, and time slot means with TS, TF=3 * 2
kTS(0≤k≤15), wherein k is determined by bunch amount of capacity, TS determines by data packet size, message transmission rate and clock drift parameter, time frame start to use the time frame beacon identity, wherein comprise subnet number, beacon time stamp, beacon duration, time slot sum and remaining time slots number;
22) time frame is divided into to tri-groups of A, B, C, every group comprises 2
kIndividual time slot, the time slot in every group all distributes a call number, and span is 0～2
k-1; The time slot of the time slot of each time slot group and other time slot group replaces layout: A – 0, and B – 0, C – 0, A – 1, B – 1, C – 1 ..., A – 2
k-1, B – 2
k-1, C – 2
k-1;
23) A – 0, B – 0, and C – 0 is reserved time slot, wherein A – 0 is synchronizeed with the aggregation node essence for backbone node; B – 0 networks essence synchronously for newly-increased node; C – 0 is for newly-increased node receiving slot allocation of parameters;
24) not comprising 23) the reserved time slot of regulation removes, and A group time slot is the fixedly time slot of distributing to ordinary node, to backbone node, sends data for ordinary node; B group time slot is public competition slot, to backbone node, sends bursty data for ordinary node; C group time slot is the reserved time slot of backbone node, to aggregation node, sends data for backbone node;
25) according to the QoS demand, each node distributes a plurality of time slots, is called the time slot piece, and the size of time slot piece is characterized by the repetition rate number, and the repetition rate number equals the logarithm of number of time slots distribution, and the time slot piece that node n distributes is expressed as:
Wherein A means that the time slot piece of node n is the subset of A group time slot,
The initial time slot index value of time slot piece that means node n, R
nMean the time slot repetition rate value of node n, each time slot concordance list in the time slot piece is shown:
Wherein the value of m is
When 26) the network initial topology formed, the A group time slot that backbone node is distributed to ordinary node can not surpass 80% of the total timeslot number of A group, and except reserved time slot, unallocated time slot is the newly-increased standby time slot of node;
3) based on the clock drift that sends shake and propagation delay protection, affect counteracting method:
The time precision of sensor node descends along with the drift of local clock, the transmission conflict that the time-interleaving produced with the offset clock drift at beginning and the reserved a period of time Δ t of end of sending time slots causes, and Δ t is given by the following formula:
Frame length when wherein TF is,
For sensor node local clock drift rate;
4) the cross time-slot block-distributing algorithm of service based grade weighting:
According to 2) the middle time slot block-distributing algorithm of stipulating is that the node that the grade of service is high distributes more time slot;
5) and as required smart synchronous synchronized algorithm thick synchronous based on " aggregation node-backbone node-ordinary node " classification:
51) at the network topology formation stages, aggregation node is periodically broadcasted the networking sync message, in this sync message, comprises the current time of aggregation node; Backbone node is adjusted the local zone time of oneself according to the networking sync message received, realize thick synchronous, after slightly synchronously completing, backbone node adopts CSMA/CA and random back mechanism access channel, synchronizes by bi-directional exchanging mechanism and aggregation node realization networking essence;
52) in the network operation stage, the time precision of backbone node can descend along with the drift of local clock, therefore need synchronous again, backbone node is according to the time precision class requirement, as required 23) time slot A-0 interior employings CSMA/CA and the random back mechanism access channel of regulation, by the bi-directional exchanging mechanism, synchronize with the aggregation node realization is smart;
53) at the network topology formation stages, after backbone node is realized synchronizeing with aggregation node is smart, start periodically broadcast beacon, beacon comprises subnet number, time stamp, transmission power information; After ordinary node is received beacon, according to the beacon time stamp, adjust the time of oneself, realize thick synchronous; Ordinary node selects suitable aggregation node to send the request of networking according to the intensity that receives beacon power; Backbone node distributes the corresponding time slot piece according to the characteristic parameter of networking requesting node for each node; Each node utilization distributes the initial time slot of time slot piece to complete with the networking of backbone node essence to synchronize;
54) in the network operation stage, the time precision of ordinary node can descend along with the drift of local clock, therefore need synchronous again, ordinary node is according to the time precision class requirement, as required at the initial time slot of time slot piece distribution, by bi-directional exchanging mechanism and backbone node, realize that essence synchronizes, do not need when synchronous, distribute the initial time slot of time slot piece to be used for transmitting data;
55) in the network operation stage, newly-increased node utilizes 21) the time frame beacon of regulation networks slightly synchronously, then 23) the B-0 time slot of regulation realizes that by bi-directional exchanging mechanism and backbone node essence synchronize, 23) the time slot allocation parameter of the C-0 time slot reception backbone node stipulated networks;
6) based on the burst transfers of data method of public competition slot piece:
According to 24) described, in B group time slot (except B-0), need the node of transmission bursty data by CSMA/CA competition mechanism access channel;
7) the CSMA/CA algorithm kept out of the way of service based grade weighting:
Sensor node is classified according to the grade of service, and node back off time in the competition slot piece that the grade of service is high is shorter, thereby obtains higher channel access probability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101430963A CN102196598B (en) | 2011-05-30 | 2011-05-30 | Self-adaptive hybrid MAC (Media Access Control) protocol of wireless sensor network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101430963A CN102196598B (en) | 2011-05-30 | 2011-05-30 | Self-adaptive hybrid MAC (Media Access Control) protocol of wireless sensor network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102196598A CN102196598A (en) | 2011-09-21 |
| CN102196598B true CN102196598B (en) | 2013-11-27 |
Family
ID=44603796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101430963A Expired - Fee Related CN102196598B (en) | 2011-05-30 | 2011-05-30 | Self-adaptive hybrid MAC (Media Access Control) protocol of wireless sensor network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102196598B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172660A (en) * | 2017-03-15 | 2017-09-15 | 北京交通大学 | A kind of Beacon coordination systems suitable for sensor network protocol |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139834B (en) * | 2011-11-28 | 2015-08-19 | 赵洪钢 | A kind of wireless sensor network multi-velocity self-adapting back-off method |
| CN102624608B (en) * | 2012-01-16 | 2014-12-31 | 华南理工大学 | Multi-class access dynamic backoff method for improving plug-and-play speed of intelligent sensor |
| CN102595578A (en) * | 2012-03-16 | 2012-07-18 | 重庆邮电大学 | Self-adaptive deterministic scheduling method for WIA-PA network |
| WO2017008198A1 (en) | 2015-07-10 | 2017-01-19 | 华为技术有限公司 | Channel access period allocation method, device and system |
| CN105353098A (en) * | 2015-09-30 | 2016-02-24 | 常州大学怀德学院 | Variable time slot frame water body dissolved oxygen concentration wireless measuring method |
| CN106792568B (en) * | 2016-11-27 | 2020-07-24 | 东北电力大学 | Energy optimization-based wireless sensor network hybrid Z-MAC protocol optimization method |
| CN108737911B (en) * | 2017-04-14 | 2021-09-21 | 国网信息通信产业集团有限公司 | POTN service bearing method and system based on generalized optical burst switching |
| CN110022185B (en) * | 2019-02-18 | 2020-07-28 | 厦门大学 | Virtual backbone network algorithm suitable for mobile ad hoc network |
| CN109951872B (en) * | 2019-02-28 | 2020-11-06 | 电子科技大学 | Hybrid MAC protocol optimization design method based on wireless optical communication |
| CN110784920A (en) * | 2019-09-17 | 2020-02-11 | 天津大学 | Time synchronization and multiple access fusion method between underwater gliders |
| CN112383379B (en) * | 2020-10-29 | 2022-05-20 | 南昌大学 | Method and device for calculating node time error of wireless information system |
| CN112383884B (en) * | 2020-11-25 | 2022-04-29 | 海南大学 | A secure MAC protocol initiated by a receiver |
| CN112788665B (en) * | 2020-12-26 | 2022-05-10 | 重庆邮电大学 | Adaptive MAC method in tactical Internet |
| CN117692847A (en) * | 2024-02-01 | 2024-03-12 | 深圳市丰禾原电子科技有限公司 | Channel configuration method, device and computer storage medium for home theater system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374140A (en) * | 2007-08-22 | 2009-02-25 | 湖南大学 | Node structure of wireless sensor network and MAC communication protocol thereof |
| CN101489304A (en) * | 2009-02-27 | 2009-07-22 | 南京邮电大学 | Media access control method based on differentiate service of wireless multimedia sensor network |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060028984A1 (en) * | 2004-08-09 | 2006-02-09 | Chang Gung University | Energy efficient medium access control protocol for IEEE 802.11 WLANs |
-
2011
- 2011-05-30 CN CN2011101430963A patent/CN102196598B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101374140A (en) * | 2007-08-22 | 2009-02-25 | 湖南大学 | Node structure of wireless sensor network and MAC communication protocol thereof |
| CN101489304A (en) * | 2009-02-27 | 2009-07-22 | 南京邮电大学 | Media access control method based on differentiate service of wireless multimedia sensor network |
Non-Patent Citations (2)
| Title |
|---|
| He Zun-Wen et al.A Self-Adaptive Clustering Algorithm for Wireless Sensor Network.《Wireless Communications |
| He,Zun-Wen et al.A Self-Adaptive Clustering Algorithm for Wireless Sensor Network.《Wireless Communications,Networking and Mobile Computing,2009.WiCom 09.5th International Conference on》.2009,1-4页. * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107172660A (en) * | 2017-03-15 | 2017-09-15 | 北京交通大学 | A kind of Beacon coordination systems suitable for sensor network protocol |
| CN107172660B (en) * | 2017-03-15 | 2020-01-21 | 北京交通大学 | Beacon coordination mechanism suitable for sensor network protocol |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102196598A (en) | 2011-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102196598B (en) | Self-adaptive hybrid MAC (Media Access Control) protocol of wireless sensor network | |
| CN102196578B (en) | Cross timeslot allocation method for wireless sensor network | |
| CN108430111B (en) | Mixed type time slot reservation method in distributed TDMA protocol | |
| CN107347201B (en) | Wireless sensor network polling system control method based on priority | |
| US8644213B2 (en) | Mobile data communication method and system using improved medium access control protocol | |
| CN105263143B (en) | The slot allocation method of adaptive session dot density and load in self-organizing network | |
| CN105119632B (en) | The communication means suitable for wireless mobile self-organizing network based on multiple frequency-hopping pattern | |
| Juc et al. | Energy consumption and performance of IEEE 802.15. 4e TSCH and DSME | |
| CN102946631A (en) | Medium access control (MAC) layer node scheduling method based on beacon frame synchronization and communication asynchronization | |
| JP2009246955A (en) | Timeslot sharing protocol for wireless communication networks | |
| CN102802266B (en) | Implementation method of high dynamic self-organization network high efficiency TDMA (time division multiple address) protocol | |
| CN109673045A (en) | Wireless sensor network time slot allocation multi-hop synchronous transmission system and method | |
| CN111836399B (en) | Channel access protocol design method and time slot allocation method for broadband carrier communication network | |
| CN104394534B (en) | A kind of two-stage center collaboration frequency spectrum shared mechanism based on priority query | |
| CN105050117A (en) | Ad-hoc network communication method based on business type competition and coordination time division multiple access (TDMA) | |
| CN105722241B (en) | The dispatching method of the synchronous self-organizing network of multichannel | |
| CN103974442A (en) | Low-delay scheduling method suitable for wireless sensor network | |
| CN106792568B (en) | Energy optimization-based wireless sensor network hybrid Z-MAC protocol optimization method | |
| CN109982421A (en) | A kind of low-power consumption narrowband radio network information channel cut-in method | |
| CN102006670B (en) | Dynamic polling medium access control method of emergency response supported sensor network | |
| CN103596236A (en) | Cross-layer wireless sensor network MAC protocol communication method and system | |
| CN109714812A (en) | Low-power consumption distributed medium access control method based on TDMA | |
| Chen | An energy-efficient channel access with target wake time scheduling for overlapping 802.11 ax basic service sets | |
| CN110366860A (en) | For the method for network insertion, system, controller, entity and computer program | |
| CN103281731B (en) | A kind of MAC method for managing resource based on competition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Zunwen Inventor after: Jia Jianguang Inventor after: Chen Cunxiang Inventor after: Liu Yang Inventor after: Yang Chenxi Inventor after: Kuang Jingming Inventor before: He Zunwen Inventor before: Jia Jianguang Inventor before: Liu Yang Inventor before: Kuang Jingming |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HE ZUNWEN JIA JIANGUANG LIU YANG KUANG JINGMING TO: HE ZUNWEN JIA JIANGUANG CHEN CUNXIANG LIU YANG YANG CHENXI KUANG JINGMING |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |