CN105743926A - Wireless relay transmission system based on physical layer security - Google Patents
Wireless relay transmission system based on physical layer security Download PDFInfo
- Publication number
- CN105743926A CN105743926A CN201610254764.2A CN201610254764A CN105743926A CN 105743926 A CN105743926 A CN 105743926A CN 201610254764 A CN201610254764 A CN 201610254764A CN 105743926 A CN105743926 A CN 105743926A
- Authority
- CN
- China
- Prior art keywords
- module
- eavesdropping
- relay
- link
- information source
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
Abstract
The invention belongs to the field of physical layer security of wireless communication and specifically relates to a wireless relay transmission system based on physical layer security used for effectively preventing eavesdropping g and guaranteeing reliability and effectiveness of data transmission under a scene that a wireless communication system has a plurality of eavesdroppers. The optimum relay transmission system comprises an information source sending module, a relay transmission module, an eavesdropping module and a terminal receiving module. When the relay transmission module selects the optimum relay, the conditions of a channel from an information source to a relay link and the conditions of a channel from the relay to a terminal link are jointly considered; the eavesdropping module comprises a plurality of eavesdropper mutual cooperation eavesdropping signals; and the terminal receiving module utilizes a diversity reception technology to combine the received information source signal and the received relay signal, so that the safe and reliable transmission from the information source end to the target end is realized.
Description
Technical field
The invention belongs to the safety of physical layer field of radio communication, particularly to the wireless relay transmission system of a kind of physically based deformation layer safety.
Background technology
Wireless security is paid close attention to widely in recent years.In existing wireless communication system, encryption technology is normally used for preventing listener-in from validated user intercepting message.Although encryption technology can improve the safety of information transmission, but it needs the more resource that processes to be used for encrypting and deciphering.Secondly introduced extra redundancy by encryption technology, the expense of system can be increased.Based on above-mentioned Problems existing, the stochastic behaviour of wireless physical channel is utilized to prevent eavesdropping attack from being paid close attention to widely.
In existing scheme, consider that single eavesdropping node is deposited in case, source node transmits information to via node, and via node utilizes channel capacity maximum between himself and destination node, and the mode forwarded by amplification forwarding or decoding sends information to destination node further.But currently existing scheme mostly only considered single eavesdropping node deposits in case, via node to the channel capacity between destination node, does not consider that source node is to the channel capacity between via node.Currently existing scheme does not consider that in actual scene, multiple listener-ins cooperate tapped signal simultaneously.
Summary of the invention
The wireless best relay transmission system of a kind of physically based deformation layer safety, the shortcoming that can exist are it is an object of the present invention to provide efficiently against prior art.
The present invention is realized in, as shown in Figure 1, it includes: information source sending module 1, relay transmission module 2, eavesdropping module 3 and terminal receiver module 4, it is characterized in that information source sending module 1 sends a signal to relay transmission module 2, eavesdropping module 3 and terminal receiver module 4, first, second ... the (N)-relay node R in relay transmission module 2 respectively through first wireless primary link 5, first wireless eavesdropping link the 6, second wireless primary link 71,R2,…,RNReceiving the signal sent by information source sending module 1 respectively, signal is transported to terminal receiver module 4 by the 3rd wireless primary link 8 by the mode through decoding forwarding or amplification forwarding, and meanwhile, first, second ... the M in eavesdropping module 3 eavesdrops node E1,E2,…,EMFirst, second ... the (N)-relay node R in relay transmission module 2 is received also by the second wireless eavesdropping link 91,R2,…,RNThe signal sent, the first wireless primary link 5 is first, second ... the (N)-relay node R in relay transmission module 21,R2,…,RNReceive the link being sent signal by information source sending module 1, second wireless primary link 7 is to be received, by terminal receiver module 4, the link being sent signal by information source sending module 1, and the 3rd wireless primary link 8 is to be received by first, second ... the (N)-relay node R in relay transmission module 2 by terminal receiver module 41,R2,…,RNSending the link of signal, the first wireless eavesdropping link 6 is first, second in eavesdropping module 3 ... M eavesdrops node E1,E2,…,EMReceiving the link being sent signal by information source sending module 1, the second wireless eavesdropping link 7 is first, second in eavesdropping module 3 ... M eavesdrops node E1,E2,…,EMReceive respectively by first, second ... the (N)-relay node R in relay transmission module 21,R2,…,RNSending the link of signal, N and M is positive integer.
The present invention has feature highlighted below and effect:
1, compared with prior art, the present invention considers that eavesdropping module described in actual scene contains multiple listener-in and cooperates eavesdropping source signal and the signal of via node forwarding.
2, compared with prior art, present invention have the advantage that described relay transmission module combines consideration information source to via node link channel condition and via node to terminal links channel condition when selecting optimal relay node, choose the via node that described two channel conditions are all good, maximize selection optimal relay node with information source to via node link capacity and via node to terminal links capacity product and carry out auxiliary transmission.
3, described terminal receiver module receives source signal and via node signal, and utilizes diversity receiving technology to merge the source signal received and the via node signal received, to realize information source end to the safe and reliable transmission of destination.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention
In figure: 1--information source sending module, 2--relay transmission module,
3--eavesdrops module, 4--terminal receiver module
The 5 first wireless wireless eavesdropping links of primary link 6 first
The 7 second wireless primary links of wireless primary link 8 the 3rd
9 second wireless eavesdropping links.
Detailed description of the invention
The present invention includes information source sending module 1, relay transmission module 2, eavesdropping module 3 and terminal receiver module 4 as shown in Figure 1, and enforcement includes step and is:
1, information source sending module 1 sends the transmission rate that transmit power is P, x of signal x, x is Rd；
In specific implementation process, relay transmission module 2, eavesdropping module 3 and terminal receiver module 4 all can receive the signal that information source sending module 1 sends.
2, relay transmission module 2 receives signal that information source sending module 1 sends and is forwarded to terminal receiver module 4, existing by decode forward in the way of illustrate:
(1), C is usedsiRepresent that information source is to the link channel capacity of i-th via node, calculates the information source link channel capacity C to via nodes all in networksi, i=1,2 ..., N, N is the via node number in network；
(2), for all of relay node judges i-th via node whether successfully decoded.According to CsiWith RdRelation, work as Csi< Rd, illustrate that the information x that information source transmitter module 1 sends is decoded unsuccessfully by described via node, work as Csi> Rd, the signal successfully decoded that information source is sent by described via node is described, uses DnRepresent successfully decoding set；
(3), C is usedidRepresenting that i-th is successfully decoded and be relayed to terminal links channel capacity, calculating i-th is successfully decoded and is relayed to terminal links channel capacity Cid, i=1,2 ..., N, N is the via node number in network；
(4), combine consideration information source and be successfully decoded via node link channel capacity C to i-thsiAnd i-th is successfully decoded via node to terminal links channel capacity Cid, it is successfully decoded via node link channel capacity C with information source to i-thsiIt is successfully decoded via node to terminal links channel capacity C with i-thidProduct maximizes and selects optimal relay node, and selected optimal relay node carries out auxiliary transmission by decoding the mode forwarded.
3, eavesdropping module 3 receives source signal and relay transmission signal；
Eavesdropping module 3 includes first, and second ..., m-th eavesdropping node E1,E2,…,EMCooperate the eavesdropping signal that sends of information source sending module 1 and signal that relay transmission module 2 forwards.Use CeRepresent the eavesdropping obtainable total capacity of module, calculate the eavesdropping obtainable total capacity C of modulee。
4, terminal receiver module 4 receives source signal and relaying signal, and utilizes diversity receiving technology to merge the source signal received and the via node signal received, and uses CdRepresent the final obtainable total capacity of terminal module, the final obtainable total capacity C of computing terminal moduled, work as Cd>CeTime, illustrate that information source end is relatively reliable to the channel link of purpose receiving terminal, it may be achieved information source end is to the safe and reliable transmission of destination.
Claims (1)
1. the wireless relay transmission system of a physically based deformation layer safety, it includes: information source sending module (1), relay transmission module (2), eavesdropping module (3) and terminal receiver module (4), it is characterized in that information source sending module (1) is respectively through the first wireless primary link (5), first wireless eavesdropping link (6), second wireless primary link (7) sends a signal to relay transmission module (2), eavesdropping module (3) and terminal receiver module (4), in relay transmission module (2) first, second, ... (N)-relay node (R1,R2,...,RN) receive the signal sent by information source sending module (1) respectively, forward or signal is transported to terminal receiver module (4) by the 3rd wireless primary link (8) by the mode of amplification forwarding through decoding, meanwhile, first, second ... the M in eavesdropping module (3) eavesdrops node (E1,E2,...,EM) receive first, second ... the (N)-relay node (R in relay transmission module (2) also by the second wireless eavesdropping link (9)1,R2,...,RN) signal that sends, the first wireless primary link (5) is first, second ... the (N)-relay node (R in relay transmission module (2)1,R2,...,RN) receive the link being sent signal by information source sending module (1), second wireless primary link (7) is to be received, by terminal receiver module (4), the link being sent signal by information source sending module (1), and the 3rd wireless primary link (8) is to be received by first, second ... the (N)-relay node (R in relay transmission module (2) by terminal receiver module (4)1,R2,...,RN) sending the link of signal, the first wireless eavesdropping link (6) is that first, second ... the M in eavesdropping module (3) eavesdrops node (E1,E2,...,EM) receiving the link being sent signal by information source sending module (1), the second wireless eavesdropping link (9) is that first, second ... the M in eavesdropping module (3) eavesdrops node (E1,E2,...,EM) receive respectively by first, second ... the (N)-relay node (R in relay transmission module (2)1,R2,...,RN) sending the link of signal, N and M is positive integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254764.2A CN105743926B (en) | 2016-04-22 | 2016-04-22 | A kind of wireless relay Transmission system based on safety of physical layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610254764.2A CN105743926B (en) | 2016-04-22 | 2016-04-22 | A kind of wireless relay Transmission system based on safety of physical layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105743926A true CN105743926A (en) | 2016-07-06 |
| CN105743926B CN105743926B (en) | 2019-02-22 |
Family
ID=56255973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610254764.2A Active CN105743926B (en) | 2016-04-22 | 2016-04-22 | A kind of wireless relay Transmission system based on safety of physical layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105743926B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507427A (en) * | 2016-11-22 | 2017-03-15 | 西安电子科技大学 | A kind of wireless relay Transmission system based on safety of physical layer |
| CN108462958A (en) * | 2018-03-21 | 2018-08-28 | 太原科技大学 | A kind of safety of physical layer Transmission system based on non-orthogonal multiple access |
| CN109068366A (en) * | 2018-09-28 | 2018-12-21 | 太原科技大学 | A kind of transmission method and system of the wireless cognition network based on safety of physical layer |
| CN110572871A (en) * | 2019-09-10 | 2019-12-13 | 青岛大学 | Wireless energy-carrying relay system with multiple eavesdropping nodes and resource allocation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103415075A (en) * | 2013-08-26 | 2013-11-27 | 北京邮电大学 | Wireless relay synchronous transmitting method and device |
| CN102571675B (en) * | 2012-02-07 | 2015-01-21 | 广州市香港科大霍英东研究院 | Method for optimizing hidden terminal based on physical layer interference information |
-
2016
- 2016-04-22 CN CN201610254764.2A patent/CN105743926B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102571675B (en) * | 2012-02-07 | 2015-01-21 | 广州市香港科大霍英东研究院 | Method for optimizing hidden terminal based on physical layer interference information |
| CN103415075A (en) * | 2013-08-26 | 2013-11-27 | 北京邮电大学 | Wireless relay synchronous transmitting method and device |
Non-Patent Citations (3)
| Title |
|---|
| JUNWEI ZHANG，ET AL.: ""Collaborative Relay Beamforming for Secrecy"", 《IEEE SIGNAL PROCESSING LETTERS》 * |
| LUN DONG, ET AL.: ""Improving Wireless Physical Layer Security via Cooperating Relays"", 《IEEE TRANSACTIONS ON SIGNAL PROCESSING》 * |
| 李翔宇: ""协作中继系统的物理层安全研究"", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507427A (en) * | 2016-11-22 | 2017-03-15 | 西安电子科技大学 | A kind of wireless relay Transmission system based on safety of physical layer |
| CN108462958A (en) * | 2018-03-21 | 2018-08-28 | 太原科技大学 | A kind of safety of physical layer Transmission system based on non-orthogonal multiple access |
| CN109068366A (en) * | 2018-09-28 | 2018-12-21 | 太原科技大学 | A kind of transmission method and system of the wireless cognition network based on safety of physical layer |
| CN109068366B (en) * | 2018-09-28 | 2020-05-26 | 太原科技大学 | Transmission method and system of wireless cognitive network based on physical layer security |
| CN110572871A (en) * | 2019-09-10 | 2019-12-13 | 青岛大学 | Wireless energy-carrying relay system with multiple eavesdropping nodes and resource allocation method thereof |
| CN110572871B (en) * | 2019-09-10 | 2022-05-06 | 青岛大学 | Wireless energy-carrying relay system with multiple eavesdropping nodes and resource allocation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105743926B (en) | 2019-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hu et al. | Covert transmission with a self-sustained relay | |
| CN108521875B (en) | Method and system for establishing secure communication between remote UE and relay UE in a device-to-device communication network | |
| RU2476028C2 (en) | Indexing of retransmitting antennas for communication by means of jointly used antennas | |
| CN110730452B (en) | Performance analysis method for joint relay and interference selection scheme in wireless communication system | |
| CN105743926A (en) | Wireless relay transmission system based on physical layer security | |
| CN106656405B (en) | A method of minimizing system secrecy outage probability using energy station | |
| CN106374980A (en) | Safe transmission method in MIMO Y eavesdropping network based on real interference alignment | |
| CN205610681U (en) | Wireless relay transmission system based on physical layer safety | |
| Gomadam et al. | On the capacity of memoryless relay networks | |
| CN111082933B (en) | Multi-user physical layer safety communication method capable of resisting any plurality of cooperation eavesdroppers | |
| Mekkawy et al. | Secure relay selection for two way amplify-and-forward untrusted relaying networks | |
| CN102801522A (en) | Method for generating asymmetric channel communication key for wireless cooperative communication network | |
| CN106533496A (en) | Unreliable relay full duplex communication method based on interference cooperation | |
| CN105915318B (en) | Pseudo relay selection safe transmission method based on spatial modulation | |
| CN108601019A (en) | Insincere relaying transmitted in both directions network security transmission method based on relay selection | |
| Liu et al. | Joint decode-and-forward and jamming for wireless physical layer security with destination assistance | |
| Mursia et al. | D2D-aided multi-antenna multicasting | |
| Kothapalli et al. | Performance of a bi-directional relaying system with one full duplex relay | |
| CN110943765B (en) | Millimeter wave and microwave hybrid relay transmission assisting system based on network coding | |
| Chiu et al. | Precoder design for multi-antenna partial decode-and-forward (PDF) cooperative systems with statistical CSIT and MMSE-SIC receivers | |
| CN105515620A (en) | Multi-user cooperative space modulation method | |
| KR20130043009A (en) | Distributed wireless transferring/receiving system and extended wireless network | |
| Suganya et al. | Improving security in two-way relay networks by optimal relay and jammer selection | |
| Zhang et al. | A secret key negotiation scheme for wireless communications over fading channels | |
| Nguyen et al. | Signal transmission with unequal error protection in relay selection networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200907 Address after: 461000 workshop 2, Xuchang smart Information Industrial Park (phase I), east of Weiwu Avenue and north of Mingli street, urban and rural integration demonstration zone, Xuchang District, Henan Province Patentee after: Xuchang fanwang Communication Technology Co.,Ltd. Address before: 030024 Taiyuan City, Shanxi Province Wan Road, No. 66, No. Patentee before: TAIYUAN University OF SCIENCE AND TECHNOLOGY |
|
| TR01 | Transfer of patent right |