CN113972952A - Low-density ultra-wideband signal receiving method - Google Patents
Low-density ultra-wideband signal receiving method Download PDFInfo
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- CN113972952A CN113972952A CN202111256904.7A CN202111256904A CN113972952A CN 113972952 A CN113972952 A CN 113972952A CN 202111256904 A CN202111256904 A CN 202111256904A CN 113972952 A CN113972952 A CN 113972952A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
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- 238000012545 processing Methods 0.000 claims description 39
- 230000005855 radiation Effects 0.000 claims description 34
- 238000004891 communication Methods 0.000 claims description 16
- 230000007547 defect Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/1143—Bidirectional transmission
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- 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
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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Abstract
The invention discloses a method for receiving a low-density ultra-wideband signal, which comprises the following steps: the ultra-wideband terminal of the sending part uses an infrared channel and requests a security key from the ultra-wideband terminal of the receiving part; step two: the ultra-wideband terminal of the transmitting section receives in response to the request and transmits the security key from the ultra-wideband terminal of the receiving section; step three: the ultra-wideband terminal of the transmission part uses the received security key and encodes the transmission data; step four: an ultra-wideband terminal of the transmitting part transmitting the encoded data to an ultra-wideband terminal of the receiving part using ultra-wideband; step five: and after receiving the security key, the ultra-wideband terminal of the transmission part sends a confirmation signal to the ultra-wideband terminal of the receiving part. The ultra-wideband signal receiving method can transmit a large amount of data while maintaining the security, and cannot cause the security problem of information leakage, namely, the defect that the data cannot be fully protected in the signal transmission process is solved.
Description
Technical Field
The invention relates to the technical field of ultra-wideband signal receiving, in particular to a low-density ultra-wideband signal receiving method.
Background
Ultra Wide Band (UWB) technology is also called baseband communication and carrier-free communication, and is mainly used in military radars, positioning and communication systems. UWB differs from common communication schemes that use continuous carriers, where UWB uses extremely short pulse signals to convey information, typically lasting only a few tens of picoseconds to a few nanoseconds per pulse. UWB transceivers are relatively simple in structure, for example, conventional wireless transceivers mostly use super-heterodyne architecture, and UWB transceivers use homodyne architecture to achieve the same performance, which can gradually reduce information rate and connect users in a larger range. At the receiving end, the signal energy collected by the antenna is amplified, processed by matched filtering or a related receiver, and then restored by a high-gain threshold circuit. The ultra-wideband wireless communication technology has the advantages of large communication capacity, low radiation power spectral density, multipath interference and electromagnetic interference resistance, simple structure, good confidentiality and the like, becomes one of key technologies of next-generation wireless communication, and has given high attention to many countries, which is a new exploration on the utilization of wireless frequency spectrum resources and opens up a new field of time domain electromagnetic wave application.
Disclosure of Invention
Based on the above, the invention provides a low-density ultra-wideband signal receiving method.
In order to achieve the purpose, the invention is realized by the following technical scheme:
scheme one: a low-density ultra-wideband signal receiving method comprises the following steps:
the method comprises the following steps: the ultra-wideband terminal of the sending part uses an infrared channel and requests a security key from the ultra-wideband terminal of the receiving part; step two: the ultra-wideband terminal of the transmitting section receives in response to the request and transmits the security key from the ultra-wideband terminal of the receiving section; step three: the ultra-wideband terminal of the transmission part uses the received security key and encodes the transmission data; step four: an ultra-wideband terminal of the transmitting part transmitting the encoded data to an ultra-wideband terminal of the receiving part using ultra-wideband; step five: after receiving the security key, the ultra-wideband terminal of the transmission part sends a confirmation signal to the ultra-wideband terminal of the receiving part; one of the ultra-wideband terminals of the transmitting part and the receiving part is configured to perform as a client, while the other terminal is configured to perform as a server of the client.
Scheme two: a low-density ultra-wideband signal receiving method comprises the following steps:
the method comprises the following steps: generating a security key in response to receiving a security key request signal from an ultra-wideband terminal of a transmitting part; step two: transmitting the security key to the ultra-wideband terminal of the transmitting part using an infrared radiation channel and storing the security key, and in addition, if a confirmation signal transmitted from the ultra-wideband terminal of the transmitting part is not received within a predetermined period of time after the security key is transmitted, retransmitting the security key; step three: receiving encoded data transmitted from an ultra-wideband terminal of a transmitting section through ultra-wideband; step four: the original data is recovered from the data received through the third step using the security key stored through the second step.
Preferably, the infrared radiation channels are configured as specified in the association of infrared data.
Further, the ultra-wideband terminal comprises: a control part for controlling the ultra-wideband terminal to transmit or receive data encoded by a predetermined security key using an ultra-wideband and to transmit or receive the security key using an infrared radiation channel; an ultra-wideband processing section for performing data communication with another ultra-wideband terminal using ultra-wideband; an infrared radiation processing section for performing data communication with the other ultra-wideband terminal using the infrared radiation channel; a first data buffer for storing transmission data to be transmitted to the other ultra-wideband terminal that has not been encoded, or data recovered after reception from the other ultra-wideband terminal; a security key generation section for responding to a security key generation command of the control section; a security key buffer for storing the security key generated from the security key generation part and for storing the security key received from the another ultra-wideband terminal through the infrared radiation processing part; a second data buffer for storing encoded data to be transmitted to the other ultra-wideband terminal through the ultra-wideband processing section, and for storing data received from the other ultra-wideband terminal that has not been recovered.
Further, when there is data to be transmitted to the other ultra-wideband terminal in the first data buffer, the control section requests a security key to the other ultra-wideband terminal through the infrared radiation processing section; when a security key is received from the other ultra-wideband terminal through the infrared radiation processing part, the control part stores the received security key in a security key buffer;
wherein the control section encodes the transmission data stored in the first data buffer using the received security key and stores the encoded transmission data in the second data buffer, and controls the second data buffer so that the encoded transmission data is transmitted to the other ultra-wideband terminal through the ultra-wideband processing section.
Further, the ultra-wideband processing section and the infrared radiation processing section are each configured to perform data communication with a plurality of ultra-wideband terminals using ultra-wideband; the security key buffer is configured to store security keys received from any of the plurality of ultra-wideband terminals; the second data buffer is configured to store encoded data to be transmitted to any one of the plurality of ultra-wideband terminals through the ultra-wideband processing section, and to store data received from any one of the plurality of ultra-wideband terminals that has not been recovered.
Further, the control section transmits a security key generation command to the security key generation section in response to the security key request signal received through the infrared radiation processing section; a control part reading the generated security key from a security key buffer after storing the generated security key and performing a control operation such that the generated security key is transmitted to the another ultra-wideband terminal through an infrared radiation processing part; when the encoded data is received by the ultra-wideband processing section, the control section stores the encoded data in the second data buffer, and restores the security key from the data stored in the second data buffer to the original data using the data stored in the security key buffer.
Compared with the prior art, the invention has the beneficial effects that: the ultra-wideband signal receiving method can transmit a large amount of data while maintaining the security, and cannot cause the security problem of information leakage, namely, the defect that the data cannot be fully protected in the signal transmission process is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a simplified flowchart showing the steps of a signal receiving method according to embodiment 1 of the present invention;
FIG. 2 is a simplified flowchart showing the steps of a signal receiving method according to embodiment 2 of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1, an ultra-wideband signal receiving method includes the following steps:
(1) the ultra-wideband terminal of the sending part uses an infrared channel and requests a security key from the ultra-wideband terminal of the receiving part;
(2) the ultra-wideband terminal of the transmitting section receives in response to the request and transmits the security key from the ultra-wideband terminal of the receiving section;
(3) the ultra-wideband terminal of the transmission part uses the received security key and encodes the transmission data;
(4) an ultra-wideband terminal of the transmitting part transmitting the encoded data to an ultra-wideband terminal of the receiving part using ultra-wideband;
(5) after receiving the security key, the ultra-wideband terminal of the transmission part sends a confirmation signal to the ultra-wideband terminal of the receiving part;
wherein one of the ultra-wideband terminals of the transmitting part and the receiving part is configured to be executed as a client, and the other terminal is configured to be executed as a server of the client.
Example 2
An ultra-wideband signal receiving method comprises the following steps:
(1) generating a security key in response to receiving a security key request signal from an ultra-wideband terminal of a transmitting part;
(2) transmitting the security key to the ultra-wideband terminal of the transmitting part using an infrared radiation channel and storing the security key, and in addition, if a confirmation signal transmitted from the ultra-wideband terminal of the transmitting part is not received within a predetermined period of time after the security key is transmitted, retransmitting the security key;
(3) receiving encoded data transmitted from an ultra-wideband terminal of a transmitting section through ultra-wideband;
(4) the original data is recovered from the data received through the third step using the security key stored through the second step.
Preferably, the infrared radiation channels are configured as specified in the association of infrared data.
Based on the above, the ultra-wideband terminal specifically includes the following parts:
(1) a control part for controlling the ultra-wideband terminal to transmit or receive data encoded by a predetermined security key using an ultra-wideband and to transmit or receive the security key using an infrared radiation channel;
(2) an ultra-wideband processing section for performing data communication with another ultra-wideband terminal using ultra-wideband;
(3) an infrared radiation processing section for performing data communication with the other ultra-wideband terminal using the infrared radiation channel;
(4) a first data buffer for storing transmission data to be transmitted to the other ultra-wideband terminal that has not been encoded, or data recovered after reception from the other ultra-wideband terminal;
(5) a security key generation section for responding to a security key generation command of the control section;
(6) a security key buffer for storing the security key generated from the security key generation part and for storing the security key received from the another ultra-wideband terminal through the infrared radiation processing part;
(7) a second data buffer for storing encoded data to be transmitted to the other ultra-wideband terminal through the ultra-wideband processing section, and for storing data received from the other ultra-wideband terminal that has not been recovered.
In addition, when there is data to be transmitted to the other ultra-wideband terminal in the first data buffer, the control section requests a security key to the other ultra-wideband terminal through the infrared radiation processing section; when a security key is received from the other ultra-wideband terminal through the infrared radiation processing part, the control part stores the received security key in a security key buffer; the control section encodes the transmission data stored in the first data buffer using the received security key and stores the encoded transmission data in the second data buffer, and controls the second data buffer so that the encoded transmission data is transmitted to the other ultra-wideband terminal through the ultra-wideband processing section.
The ultra-wideband processing section and the infrared radiation processing section are each configured to perform data communication with a plurality of ultra-wideband terminals using ultra-wideband; the security key buffer is configured to store security keys received from any of the plurality of ultra-wideband terminals; the second data buffer is configured to store encoded data to be transmitted to any one of the plurality of ultra-wideband terminals through the ultra-wideband processing section, and to store data received from any one of the plurality of ultra-wideband terminals that has not been recovered.
The control part responds to the security key request signal received by the infrared radiation processing part and sends a security key generation command to the security key generation part; a control part reading the generated security key from a security key buffer after storing the generated security key and performing a control operation such that the generated security key is transmitted to the another ultra-wideband terminal through an infrared radiation processing part; when the encoded data is received by the ultra-wideband processing section, the control section stores the encoded data in the second data buffer, and restores the security key from the data stored in the second data buffer to the original data using the data stored in the security key buffer.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A method for receiving a low-density ultra-wideband signal is characterized by comprising the following steps:
the method comprises the following steps: the ultra-wideband terminal of the sending part uses an infrared channel and requests a security key from the ultra-wideband terminal of the receiving part; step two: the ultra-wideband terminal of the transmitting section receives in response to the request and transmits the security key from the ultra-wideband terminal of the receiving section; step three: the ultra-wideband terminal of the transmission part uses the received security key and encodes the transmission data; step four: an ultra-wideband terminal of the transmitting part transmitting the encoded data to an ultra-wideband terminal of the receiving part using ultra-wideband; step five: after receiving the security key, the ultra-wideband terminal of the transmission part sends a confirmation signal to the ultra-wideband terminal of the receiving part; one of the ultra-wideband terminals of the transmitting part and the receiving part is configured to perform as a client, while the other terminal is configured to perform as a server of the client.
2. A method for receiving a low-density ultra-wideband signal is characterized by comprising the following steps:
the method comprises the following steps: generating a security key in response to receiving a security key request signal from an ultra-wideband terminal of a transmitting part; step two: transmitting the security key to the ultra-wideband terminal of the transmitting part using an infrared radiation channel, and storing the security key; step three: receiving encoded data transmitted from an ultra-wideband terminal of a transmitting section through ultra-wideband; step four: the original data is recovered from the data received through the third step using the security key stored through the second step.
3. The method for receiving a low-density ultra-wideband signal according to claim 2, wherein the second step further comprises: if the confirmation signal transmitted from the ultra-wideband terminal of the transmitting section is not received within a predetermined period of time after the security key is transmitted, the security key is retransmitted.
4. The method of receiving a low-density ultra-wideband signal of claim 3, wherein the infrared radiation channel is configured as specified by an infrared data association.
5. The method for receiving a low-density ultra-wideband signal according to any of claims 1 or 2, wherein the ultra-wideband terminal comprises: a control part for controlling the ultra-wideband terminal to transmit or receive data encoded by a predetermined security key using an ultra-wideband and to transmit or receive the security key using an infrared radiation channel; an ultra-wideband processing section for performing data communication with another ultra-wideband terminal using ultra-wideband; an infrared radiation processing section for performing data communication with the other ultra-wideband terminal using the infrared radiation channel; a first data buffer for storing transmission data to be transmitted to the other ultra-wideband terminal that has not been encoded, or data recovered after reception from the other ultra-wideband terminal; a security key generation section for responding to a security key generation command of the control section; a security key buffer for storing the security key generated from the security key generation part and for storing the security key received from the another ultra-wideband terminal through the infrared radiation processing part; a second data buffer for storing encoded data to be transmitted to the other ultra-wideband terminal through the ultra-wideband processing section, and for storing data received from the other ultra-wideband terminal that has not been recovered.
6. The low-density ultra-wideband signal receiving method according to claim 5, wherein when there is data to be transmitted to the other ultra-wideband terminal in the first data buffer, the control section requests a security key to the other ultra-wideband terminal through the infrared radiation processing section; when a security key is received from the other ultra-wideband terminal through the infrared radiation processing part, the control part stores the received security key in a security key buffer; the control section encodes the transmission data stored in the first data buffer using the received security key and stores the encoded transmission data in the second data buffer, and controls the second data buffer so that the encoded transmission data is transmitted to the other ultra-wideband terminal through the ultra-wideband processing section.
7. The low-density ultra-wideband signal receiving method according to claim 5 or 6, wherein the ultra-wideband processing section and the infrared radiation processing section are each configured to perform data communication with a plurality of ultra-wideband terminals using ultra-wideband; the security key buffer is configured to store security keys received from any of the plurality of ultra-wideband terminals; the second data buffer is configured to store encoded data to be transmitted to any one of the plurality of ultra-wideband terminals through the ultra-wideband processing section, and to store data received from any one of the plurality of ultra-wideband terminals that has not been recovered.
8. The low-density ultra-wideband signal receiving method according to claim 5, wherein the control section transmits a security key generation command to the security key generation section in response to a security key request signal received by the infrared radiation processing section; a control part reading the generated security key from a security key buffer after storing the generated security key and performing a control operation such that the generated security key is transmitted to the another ultra-wideband terminal through an infrared radiation processing part; when the encoded data is received by the ultra-wideband processing section, the control section stores the encoded data in the second data buffer, and restores the security key from the data stored in the second data buffer to the original data using the data stored in the security key buffer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111256904.7A CN113972952A (en) | 2021-10-27 | 2021-10-27 | Low-density ultra-wideband signal receiving method |
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| CN202111256904.7A CN113972952A (en) | 2021-10-27 | 2021-10-27 | Low-density ultra-wideband signal receiving method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040264701A1 (en) * | 2003-06-24 | 2004-12-30 | Jong-Hwa Lee | Method for transmitting/receiving encoded ultra-wideband signal and terminal therefor |
| US20200082370A1 (en) * | 2018-09-07 | 2020-03-12 | Samsung Electronics Co., Ltd. | Method for uwb transaction and electronic device therefor |
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- 2021-10-27 CN CN202111256904.7A patent/CN113972952A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040264701A1 (en) * | 2003-06-24 | 2004-12-30 | Jong-Hwa Lee | Method for transmitting/receiving encoded ultra-wideband signal and terminal therefor |
| US20200082370A1 (en) * | 2018-09-07 | 2020-03-12 | Samsung Electronics Co., Ltd. | Method for uwb transaction and electronic device therefor |
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