CN109714805A - The energy saving relay selection method of wireless energy collection cooperation communication system - Google Patents
The energy saving relay selection method of wireless energy collection cooperation communication system Download PDFInfo
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- CN109714805A CN109714805A CN201910067666.1A CN201910067666A CN109714805A CN 109714805 A CN109714805 A CN 109714805A CN 201910067666 A CN201910067666 A CN 201910067666A CN 109714805 A CN109714805 A CN 109714805A
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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
- 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
Abstract
The invention discloses the energy saving relay selection methods that a kind of wireless energy collects cooperation communication system, this method considers the relay node for having EH ability in the case where its energy meets forwarding requirement and is unsatisfactory for forwarding requirement respectively, correspondingly adopts single relay forwarding and more relay forwarding strategies.It, can be from an optimal relay node be wherein selected with optimal power forward signal when the energy of part relay node, which meets forwarding, to be required；It when the energy of whole relay nodes, which is all unsatisfactory for forwarding, to be required, is forwarded using multiple relay node cooperations, carries out signal merging in receiving end.Either single relay forwarding or more relay forwardings, the present invention can ensure energy saving as much as possible while signal effectively transmit, and the utilization of energy collected by optimization helps to improve system performance.
Description
Technical field
The invention belongs to wireless communication technology fields, and in particular to a kind of wireless energy collects the energy conservation of cooperation communication system
Relay selection method.
Background technique
Collection of energy (the energy of energy is obtained from renewable energy such as solar energy, wind energy, thermal energy and radio frequency energy
Harvesting, EH) technology can drive communication equipment and network, in traditional wireless co-operative communication system, due to using electricity
Net power supply, the relay selection problem whether enough without the concern for the electric power of node.And for being assisted using the wireless EH of EH technology
Make communication system, relay node needs to be driven by electricity by themselves capture energy to provide, therefore relay selection is in addition to needing to examine
Consider outside Traditional Factors, it is also necessary to consider the case where collecting energy.Due to relay node may be it is mobile, ambient enviroment is sent out at random
Changing, the energy that can be collected also show stochastic behaviour, it may appear that partially or completely its energy of EH relay node is not
It is able to satisfy the case where forwarding requires, so that the difficulty of relay selection increases.
Summary of the invention
The present invention provides a kind of energy-efficient relay selection method in wireless energy collection cooperation communication system, this method point
EH relay node is not considered in the case where its energy meets forwarding requirement and is unsatisfactory for forwarding requirement, is correspondingly adopted in list
After forwarding and more relay forwarding strategies.Either single relay forwarding or more relay forwardings, the present invention can ensure that signal has
It is energy saving as much as possible while effect transmission, optimize the utilization of collected energy, helps to improve system performance.
It include the wireless EH cooperation that source node S, destination node D and N number of relay node with EH ability are constituted at one
It, can be from wherein selecting an optimal relaying when the energy of part relay node, which meets forwarding, to be required in communication network
Node is with optimal power forward signal.When the energy of whole relay nodes, which is all unsatisfactory for forwarding, to be required, multiple relayings are utilized
Node cooperation forwarding carries out signal merging in receiving end.
Define hS,iAnd hi,DSource node S is respectively indicated to relay node i link and relay node i to destination node D link
Channel coefficients；The transmission power of source node S is PS.Cooperating process includes two time slots, and the length of time slot is Tp, first
Time slot source node S emits signal, and relay node i receives signal, the second time slot relay node i forward signal, and destination node D is received
Signal, relay node i indicate i-th of relay node, i=1,2 ..., N.Heretofore described energy saving relay selection method, packet
Include following steps:
(1) ENERGY E possessed using relay node ii, criterion is maximized based on channel capacity, calculates the hair of relay node i
Penetrate power Pi=PS|hS,i|2/|hi,D|2。
(2) pass through formula Ei,need=PiTp, calculate relay node i and carry out the ENERGY E that optimal power transmission needsi,need, will
Ei≥Ei,needRelay node be included in candidate relay node set φL, L φLIn element number.
(3) as candidate relay node set φLWhen for nonempty set, calculate source node S to candidate relay node h channel
Capacity CS,hAnd the channel capacity C of candidate relay node h to destination node Dh,D, h=1,2 ..., L；From Ch,D≥CS,hCandidate
A relay node is chosen in relay node and carries out signal forwarding, and it is minimum that preferential selection carries out the energy that optimal power transmission needs
Relay node carry out signal forwarding.
(4) as candidate relay node set φLWhen for null set, j relay node is selected from N number of relay node, j >=
2, it is formedA relay node combination；K is combined to any relay node,Source node S is calculated to save to relaying
The channel capacity of each of point combination k relay node, record maximum channel capacity is CS,k；Calculate relay node
Channel when all relay nodes in k carry out multi-relay cooperation forwarding and carry out signal merging at destination node D is combined to hold
Measure Ck,D；From Ck,D≥CS,kRelay node combination in choose the combination of relay node and carry out multi-relay cooperation forwarding, it is preferential to select
Cancel the smallest relay node combination of energy consumption and carries out multi-relay cooperation forwarding.
Specific embodiment
It include the wireless EH cooperation that source node S, destination node D and N number of relay node with EH ability are constituted at one
In communication network, source node is with transmission power PSEmit signal, uses hS,iAnd hi,DSource node is respectively indicated to relay node i link
With relay node i to the channel coefficients of destination node link, wherein i=1,2 ..., N.Assuming that signal transmission distance farther out or pass
There are the influences of barrier during defeated, and direct communication link is not present between source node and destination node, once cooperated
Journey includes two time slots, and the length of time slot is Tp, in first time slot, source node emits signal, and relay node receives signal；The
In two time slots, the relay node forward signal selected by relay selection method, destination node receives signal.
Step 1: the ENERGY E possessed using i-th of relay node of relay selection momenti, maximized based on channel capacity quasi-
Then, the transmission power P of i-th of relay node is calculatedi=PS|hS,i|2/|hi,D|2。
Step 2: passing through Ei,need=PiTpIt calculates i-th of relay node and carries out the ENERGY E that optimal power transmission needsi,need,
By Ei≥Ei,needRelay node be included in candidate relay node set φL, L φLIn element number.
Step 3: as candidate relay node set φLWhen for nonempty set, calculate source node to candidate relay node h letter
Road capacity CS,hAnd candidate relay node h to the channel capacity C of destination nodeh,D, h=1 ..., L, from Ch,D≥CS,hCandidate
The smallest relay node progress signal forwarding of energy for carrying out that optimal power transmission needs is chosen in relay node, goes to step 6.When
Candidate relay node set φLWhen for null set, j (j >=2) a relay node is selected from N number of relay node and is formedIt is a
Relay node combination, goes to step 4.
Step 4: k is combined to any relay node,Source node is calculated into relay node combination k
The channel capacity of each relay node, record maximum channel capacity are CS,k, calculate the institute in relay node combination k
Channel capacity C when thering is relay node to carry out multi-relay cooperation forwarding and carrying out signal merging at destination nodek,D。
Step 5: from Ck,D≥CS,kRelay node combination in choose institute in the smallest relay node combination of consumption energy
There is node to carry out multi-relay cooperation forwarding.
Step 6: to System Reports relay selection result.
Claims (3)
1. a kind of wireless energy collects the energy saving relay selection method of cooperation communication system, including source node S, destination node D and N
The wireless EH cooperative communication network that a relay node with EH ability is constituted；Cooperating process includes two time slots, time slot
Length be Tp, the first time slot source node S transmitting signal, relay node i reception signal, the second time slot relay node i forwarding letter
Number, destination node D receives signal, and relay node i indicates i-th of relay node, i=1,2 ..., N；Define hS,iAnd hi,DRespectively
Indicate source node S to relay node i link and relay node i to the channel coefficients of destination node D link；The transmitting of source node S
Power is PS；It is characterized by: the energy conservation relay selection method includes the following steps:
(1) ENERGY E possessed using relay node ii, criterion is maximized based on channel capacity, calculates the transmitting function of relay node i
Rate Pi=PS|hS,i|2/|hi,D|2；
(2) pass through formula Ei,need=PiTp, calculate relay node i and carry out the ENERGY E that optimal power transmission needsi,need, by Ei≥
Ei,needRelay node be included in candidate relay node set φL, L φLIn element number；
(3) as candidate relay node set φLWhen for nonempty set, calculate source node S to candidate relay node h channel capacity
CS,hAnd the channel capacity C of candidate relay node h to destination node Dh,D, h=1,2 ..., L；From Ch,D≥CS,hCandidate relay
A relay node is chosen in node carries out signal forwarding；
(4) as candidate relay node set φLWhen for null set, j relay node, j >=2, shape are selected from N number of relay node
AtA relay node combination；K is combined to any relay node,Source node S is calculated to relay node group
The channel capacity of each of k relay node is closed, record maximum channel capacity is CS,k；It calculates relay node and combines k
In all relay nodes carry out multi-relay cooperation forwarding and destination node D at progress signal merging when channel capacity Ck,D；
From Ck,D≥CS,kRelay node combination in choose the combination of relay node and carry out multi-relay cooperation forwarding.
2. according to the method described in claim 1, wherein from C described in step (3)h,D≥CS,hCandidate relay node in choose
One relay node carries out signal forwarding, is from Ch,D≥CS,hCandidate relay node in, choose carry out optimal power transmission need
The smallest relay node of the energy wanted carries out signal forwarding.
3. according to the method described in claim 1, wherein from C described in step (4)k,D≥CS,kRelay node combination in choose
One relay node combination carries out multi-relay cooperation forwarding, is from Ck,D≥CS,kRelay node combination in choose consumption energy most
Small relay node combination carries out multi-relay cooperation forwarding.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087300B (en) * | 2019-05-06 | 2020-10-27 | 西安交通大学 | User selection method based on cluster type wireless energy supply communication network |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070165581A1 (en) * | 2006-01-17 | 2007-07-19 | Mehta Neelesh B | Method and system for communicating in cooperative relay networks |
| CN101282199A (en) * | 2008-04-14 | 2008-10-08 | 北京邮电大学 | Method for self-adaption selection of relay strategy for multi-relay collaboration communication |
| CN101345675A (en) * | 2008-08-15 | 2009-01-14 | 哈尔滨工业大学 | Relay node selection method of cooperation communication |
| US20110305144A1 (en) * | 2009-02-27 | 2011-12-15 | Ubolthip Sethakaset | Wireless transmission of layered signals in a relay network |
| CN102427586A (en) * | 2011-12-06 | 2012-04-25 | 南京邮电大学 | Power and relay combination optimization method based on Fountain code and cooperation communication method thereof |
| CN102438234A (en) * | 2011-08-22 | 2012-05-02 | 北京邮电大学 | Method for selecting safe relay for multiple targets in mobile collaborative network |
| CN103298084A (en) * | 2013-05-17 | 2013-09-11 | 山东大学 | Coordinated multi-relay selection and power distribution method based on energy efficiency criteria |
| CN104168638A (en) * | 2013-10-31 | 2014-11-26 | 南京邮电大学 | Multi-relay-selection and power distribution method based on system interrupt probability |
| CN105282815A (en) * | 2015-09-23 | 2016-01-27 | 广西师范大学 | Multiple relay selection method in DF cooperative network |
| CN105375955A (en) * | 2015-10-26 | 2016-03-02 | 西安电子科技大学 | Cooperative transmission method in simultaneous wireless information and power transfer relay network |
| CN106714266A (en) * | 2017-01-09 | 2017-05-24 | 北京邮电大学 | Cognitive radio-based multi-relay selection method |
| CN106922009A (en) * | 2015-12-28 | 2017-07-04 | 镇江坤泉电子科技有限公司 | Multisensor node-node transmission system of selection based on outage probability |
| CN107172679A (en) * | 2017-06-25 | 2017-09-15 | 广西师范大学 | Relay selection method based on optimal power control in wireless EH collaborative networks |
| CN107508628A (en) * | 2017-06-26 | 2017-12-22 | 西安电子科技大学 | A kind of RF energy collects the cooperation transmission method in junction network |
| CN108512579A (en) * | 2018-03-14 | 2018-09-07 | 广西师范大学 | Antenna selecting method based on EH-MIMO communication systems |
| CN108811025A (en) * | 2018-05-23 | 2018-11-13 | 南京邮电大学 | It is a kind of that the transmission plan that cooperates can be communicated based on wirelessly taking for relaying energy storage |
-
2019
- 2019-01-24 CN CN201910067666.1A patent/CN109714805A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070165581A1 (en) * | 2006-01-17 | 2007-07-19 | Mehta Neelesh B | Method and system for communicating in cooperative relay networks |
| CN101282199A (en) * | 2008-04-14 | 2008-10-08 | 北京邮电大学 | Method for self-adaption selection of relay strategy for multi-relay collaboration communication |
| CN101345675A (en) * | 2008-08-15 | 2009-01-14 | 哈尔滨工业大学 | Relay node selection method of cooperation communication |
| US20110305144A1 (en) * | 2009-02-27 | 2011-12-15 | Ubolthip Sethakaset | Wireless transmission of layered signals in a relay network |
| CN102438234A (en) * | 2011-08-22 | 2012-05-02 | 北京邮电大学 | Method for selecting safe relay for multiple targets in mobile collaborative network |
| CN102427586A (en) * | 2011-12-06 | 2012-04-25 | 南京邮电大学 | Power and relay combination optimization method based on Fountain code and cooperation communication method thereof |
| CN103298084A (en) * | 2013-05-17 | 2013-09-11 | 山东大学 | Coordinated multi-relay selection and power distribution method based on energy efficiency criteria |
| CN104168638A (en) * | 2013-10-31 | 2014-11-26 | 南京邮电大学 | Multi-relay-selection and power distribution method based on system interrupt probability |
| CN105282815A (en) * | 2015-09-23 | 2016-01-27 | 广西师范大学 | Multiple relay selection method in DF cooperative network |
| CN105375955A (en) * | 2015-10-26 | 2016-03-02 | 西安电子科技大学 | Cooperative transmission method in simultaneous wireless information and power transfer relay network |
| CN106922009A (en) * | 2015-12-28 | 2017-07-04 | 镇江坤泉电子科技有限公司 | Multisensor node-node transmission system of selection based on outage probability |
| CN106714266A (en) * | 2017-01-09 | 2017-05-24 | 北京邮电大学 | Cognitive radio-based multi-relay selection method |
| CN107172679A (en) * | 2017-06-25 | 2017-09-15 | 广西师范大学 | Relay selection method based on optimal power control in wireless EH collaborative networks |
| CN107508628A (en) * | 2017-06-26 | 2017-12-22 | 西安电子科技大学 | A kind of RF energy collects the cooperation transmission method in junction network |
| CN108512579A (en) * | 2018-03-14 | 2018-09-07 | 广西师范大学 | Antenna selecting method based on EH-MIMO communication systems |
| CN108811025A (en) * | 2018-05-23 | 2018-11-13 | 南京邮电大学 | It is a kind of that the transmission plan that cooperates can be communicated based on wirelessly taking for relaying energy storage |
Non-Patent Citations (6)
| Title |
|---|
| FEI WANG: "Relay_Selection_and_Power_Allocation_for_Cooperative_Communication_Networks_With_Energy_Harvesting", 《IEEE SYSTEMS JOURNAL》 * |
| HUA HE: "A multi-relay selection scheme in the DF cooperative network composed of the battery-operated relays", 《9TH IEEE INTERNATIONAL CONFERENCE ON COMMUNICATION SOFTWARE AND NETWORKS》 * |
| IOANNIS KRIKIDIS: "Relay_Selection_in_Wireless_Powered_Cooperative_Networks_With_Energy_Storage", 《IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS》 * |
| 何杰: "一种面向电池供电中继节点的中继选择方法", 《计算机工程》 * |
| 周忠瑶: "基于能量约束的MIMO和多用户中继选择方法研究", 《中国优秀博硕士学位论文全文数据库(硕士)信息科技辑》 * |
| 蒋维: "一种多中继协作系统中功率优化分配策略的无线网络容量算法研究", 《传感技术学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110087300B (en) * | 2019-05-06 | 2020-10-27 | 西安交通大学 | User selection method based on cluster type wireless energy supply communication network |
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