CN108233965B - Wireless data communication multi-antenna cooperative receiver architecture and signal receiving method thereof - Google Patents
Wireless data communication multi-antenna cooperative receiver architecture and signal receiving method thereof Download PDFInfo
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- CN108233965B CN108233965B CN201711462474.8A CN201711462474A CN108233965B CN 108233965 B CN108233965 B CN 108233965B CN 201711462474 A CN201711462474 A CN 201711462474A CN 108233965 B CN108233965 B CN 108233965B
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- 238000004891 communication Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000001360 synchronised effect Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims description 3
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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Abstract
The invention discloses a wireless data communication multi-antenna cooperative receiver architecture and a signal receiving method thereof, wherein the multi-antenna cooperative receiver architecture uses a switch and a delay synchronous regulator to regulate the phases of carrier signals received by all antennas to be consistent, uses a linear adder to enhance the signal amplitude, an auxiliary carrier detection circuit triggers the switch and the delay synchronous regulator to work according to a convention rule, and the auxiliary carrier detection circuit also identifies an ending identifier and resets all circuits according to the convention rule to realize the wireless data communication multi-antenna cooperative receiving; the phases of signals received by all antennas are adjusted to be consistent, the signals are linearly added to increase the signal amplitude, the signal-to-noise ratio of the receiver is improved, the sensitivity of the receiver is enhanced, and meanwhile, interference signals can be isolated under the action of the switch.
Description
Technical Field
The invention belongs to the communication technology, and relates to a wireless data communication multi-antenna cooperative receiver architecture and a signal receiving method thereof.
Background
With the development of communication technology, wireless data transmission has been applied to various devices, such as mobile phones, internet of things devices, and the like, but the problems of wireless signal interference and wireless receiver sensitivity are always the most difficult problems to solve in wireless communication, and an effective solution is urgently needed.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a wireless data communication multi-antenna cooperative receiver architecture and a signal receiving method thereof, and solve the problems of anti-interference and receiving sensitivity of a wireless terminal receiver.
In order to solve the problems, the invention adopts the following technical scheme:
the wireless data communication multi-antenna cooperative receiver architecture comprises a plurality of antenna channels and a linear adder, wherein each antenna is connected with one antenna channel, each antenna channel comprises an auxiliary carrier detection circuit, an antenna switch and a delay synchronization regulator, and the auxiliary carrier detection circuit is used for wireless carrier signal ID detection, wireless carrier signal arrival time detection and wireless carrier signal end identification;
when the antenna auxiliary carrier detection circuit detects the ID of the local carrier, the corresponding antenna switch is opened, the delay synchronous regulator locks the used antenna switch when reaching the control time point, and all carrier signals passing through the delay synchronous regulator are combined by the linear adder and then output; the auxiliary carrier circuit of the antenna detecting the local carrier ending signal closes all antenna switches and resets the delay synchronous regulator.
A signal transmitting method of a wireless data communication multi-antenna cooperative transmitter is characterized in that a switch and a delay synchronous regulator are used for regulating phases of carrier signals received by all antennas to be consistent, a linear adder is used for enhancing signal amplitude, an auxiliary carrier detecting circuit triggers the switch and the delay synchronous regulator to work according to a convention rule, the auxiliary carrier detecting circuit further identifies an ending identifier and resets all circuits according to the convention rule, and wireless data communication multi-antenna cooperative receiving is achieved.
Further, the method comprises the following specific steps:
step one, all antenna switches and delay synchronous regulators are in a closed state in an initial state, and output signals of a linear adder are zero;
secondly, the antenna channel auxiliary carrier detection circuit receives auxiliary carrier information;
step three, when the first antenna receives the local carrier arrival information indicated by the auxiliary carrier, all the delay synchronous regulators are started simultaneously, and the first antenna opens the antenna switch corresponding to the channel to start receiving the data carrier information;
step four, when other antennas receive the ID information of the local carrier, the corresponding antenna switch is turned on;
step five, locking the antenna switch when the delay synchronous regulator reaches a control time point, keeping the antenna switch which does not receive the local carrier ID closed, and keeping the antenna switch which receives the local carrier ID open;
step six, combining all the carrier signals passing through the delay synchronous regulator by a linear adder and then outputting the combined carrier signals;
and step seven, a circuit of the last antenna for detecting the local carrier wave end signal closes all antenna switches and resets the delay synchronous regulator.
The invention relates to a wireless data communication multi-antenna cooperative receiver architecture, which comprises a plurality of antenna channels and a linear adder, wherein each antenna is connected with one antenna channel, each antenna channel comprises an auxiliary carrier detection circuit, an antenna switch and a delay synchronous regulator, the phases of carrier signals received by all antennas are regulated to be consistent by using the switches and the delay synchronous regulators, the signal amplitude is enhanced by using the linear adder, the auxiliary carrier detection circuit triggers the switches and the delay synchronous regulators to work according to a convention rule, and the auxiliary carrier detection circuit also identifies an ending mark and resets all circuits according to the convention rule, so that the wireless data communication multi-antenna cooperative receiving is realized; the phases of signals received by all antennas are adjusted to be consistent, the signals are linearly added to increase the signal amplitude, the signal-to-noise ratio of the receiver is improved, the sensitivity of the receiver is enhanced, and meanwhile, interference signals can be isolated under the action of the switch.
The auxiliary carrier detection circuit determines the arrival time and identity of a carrier signal and controls the opening of an antenna switch and a delay synchronous regulator according to an appointed rule; the switch prevents the access of interference signals; delaying the phase of each carrier signal of the synchronous regulator to make the phases of the carrier signals at the output end of the synchronous regulator consistent; the linear adder carries out addition operation with the carrier signal that the looks is unanimous, improves received signal amplitude, will produce positive effect to 5G network construction, WIFI interconnection, car networking, ship networking, thing networking.
Drawings
FIG. 1 is a circuit block diagram of embodiment 1 of the present invention
FIG. 2 is a flow chart of the implementation process of the invention
Detailed Description
The following description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings to describe the technical solutions of the present invention in detail, but not to limit the present invention to the scope of the embodiments described.
As shown in fig. 1, the wireless data communication multi-antenna cooperative receiver architecture of the present invention includes a plurality of antenna channels and a linear adder, each antenna is connected to one antenna channel, each antenna channel includes an auxiliary carrier detection circuit, an antenna switch, and a delay synchronization adjuster, and the auxiliary carrier detection circuit is used for wireless carrier signal ID detection, wireless carrier signal arrival time detection, and wireless carrier signal end identifier identification;
when the antenna auxiliary carrier detection circuit detects the ID of the local carrier, the corresponding antenna switch is opened, the delay synchronous regulator locks the used antenna switch when reaching the control time point, and all carrier signals passing through the delay synchronous regulator are combined by the linear adder and then output; the auxiliary carrier circuit of the antenna detecting the local carrier ending signal closes all antenna switches and resets the delay synchronous regulator.
The signal transmitting method of the wireless data communication multi-antenna cooperative receiver architecture comprises the following steps:
the phase of carrier signals received by all antennas is adjusted to be consistent by using a switch and a delay synchronous regulator, the signal amplitude is enhanced by using a linear adder, an auxiliary carrier detection circuit triggers the switch and the delay synchronous regulator to work according to a convention rule, and the auxiliary carrier detection circuit also identifies an ending identifier and resets all circuits according to the convention rule, so that the wireless data communication multi-antenna cooperative receiving is realized.
The specific working process is as follows:
step one, all antenna switches and delay synchronous regulators are in a closed state in an initial state, and output signals of a linear adder are zero;
step two, each antenna channel is provided with an auxiliary carrier detection circuit, and the auxiliary carrier detection circuits receive auxiliary carrier information;
step three, when the first antenna receives the local carrier arrival information indicated by the auxiliary carrier, the first antenna simultaneously starts all delay synchronous regulators, and opens the antenna switch corresponding to the channel to start receiving the data carrier information;
step four, when other antennas receive the ID information of the local carrier, the corresponding antenna switch is turned on;
step five, locking the antenna switch when the delay synchronous regulator reaches a control time point, keeping the antenna switch which does not receive the local carrier ID closed, and keeping the antenna switch which receives the local carrier ID open;
step six, all the carrier signals passing through the delay synchronous regulator are combined by a linear adder and then output, and the amplitude of the received signal is improved;
and step seven, a circuit of the last antenna for detecting the local carrier wave end signal closes all antenna switches and resets the delay synchronous regulator.
Example 1:
as shown in fig. 2, the block diagram of the wireless data communication multi-antenna cooperative receiver in this embodiment includes: the auxiliary carrier detection circuit completes the detection of wireless carrier signal ID and arrival time, antenna switch, delay synchronous regulator, carrier transmission end detection and linear adder.
The method for receiving the wireless data communication multi-antenna cooperative receiver architecture signal comprises the following specific steps:
s101a, detecting whether a signal of the local ID appears through an auxiliary carrier information detection circuit;
s102a, detecting the ID signal of the local machine, and opening the corresponding antenna switch;
s103a, judging whether the local ID received by the antenna is the first arrival channel;
s104a, all delay synchronous regulators are started at the same time in the first arriving channel, and only an antenna switch is started in the non-first arriving channel;
s105a, judging the locking time of the delay synchronizer;
s106, reaching the locking time of the delay synchronizer and locking all antenna switches;
s107a, combining all antenna signals by a linear adder and then outputting;
s108, 108a, detecting a signal mark;
and S109a, receiving the end signal mark, and resetting all circuits.
The technical solutions of the present invention are fully and definitely expressed herein, however, the examples described herein are only a part of examples, and not all examples. On the basis of the present invention, other examples obtained by a person skilled in the art without making innovative work belong to the protection scope of the present invention.
Claims (3)
1. A wireless data communication multi-antenna cooperative receiver architecture, characterized by: the system comprises a plurality of antenna channels and a linear adder, wherein each antenna is connected with one antenna channel, each antenna channel comprises an auxiliary carrier detection circuit, an antenna switch and a delay synchronization regulator, and the auxiliary carrier detection circuit is used for wireless carrier signal ID detection, wireless carrier signal arrival time detection and wireless carrier signal end identification;
when the auxiliary carrier detection circuit detects the ID of the local carrier, the corresponding antenna switch is opened, the delay synchronization regulator locks the antenna switch when reaching the control time point, and all carrier signals passing through the delay synchronization regulator are combined by the linear adder and then output; the switch and delay synchronous regulator is used for regulating the phases of the carrier signals received by all the antennas to be consistent; the auxiliary carrier circuit which detects the local carrier finishing signal closes all the antenna switches and resets the delay synchronous regulator.
2. A method for receiving a wireless data communication multi-antenna cooperative receiver signal based on the multi-antenna cooperative receiver architecture of claim 1, characterized in that: the phase of carrier signals received by all antennas is adjusted to be consistent by using a switch and a delay synchronous regulator, the signal amplitude is enhanced by using a linear adder, an auxiliary carrier detection circuit triggers the switch and the delay synchronous regulator to work according to a convention rule, and the auxiliary carrier detection circuit also identifies an ending identifier and resets all circuits according to the convention rule, so that the wireless data communication multi-antenna cooperative receiving is realized.
3. The method for receiving a signal of a multi-antenna cooperative receiver for wireless data communication according to claim 2, comprising the following steps:
initializing all antenna switches and a delay synchronous regulator to be in a closed state, wherein the output signal of a linear adder is zero;
secondly, the antenna channel auxiliary carrier detection circuit receives auxiliary carrier information;
step three, when the first antenna receives the local carrier arrival information indicated by the auxiliary carrier, all the delay synchronous regulators are started simultaneously, and the first antenna opens the antenna switch corresponding to the channel to start receiving the data carrier information;
step four, when other antennas receive the ID information of the local carrier, the corresponding antenna switch is turned on;
step five, locking the antenna switch when the delay synchronous regulator reaches a control time point, keeping the antenna switch which does not receive the local carrier ID closed, and keeping the antenna switch which receives the local carrier ID open;
step six, combining all the carrier signals passing through the delay synchronous regulator by a linear adder and then outputting the combined carrier signals;
and step seven, the last antenna detects the end signal of the local carrier, closes all the antenna switches and resets the delay synchronous regulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711462474.8A CN108233965B (en) | 2017-12-28 | 2017-12-28 | Wireless data communication multi-antenna cooperative receiver architecture and signal receiving method thereof |
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| CN201711462474.8A CN108233965B (en) | 2017-12-28 | 2017-12-28 | Wireless data communication multi-antenna cooperative receiver architecture and signal receiving method thereof |
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| CN108233965B true CN108233965B (en) | 2020-07-07 |
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| CN1142635C (en) * | 1997-05-13 | 2004-03-17 | 夸尔柯姆股份有限公司 | System and method for detection and selection of multiple antenna |
| US6137996A (en) * | 1998-07-20 | 2000-10-24 | Motorola, Inc. | Apparatus and method for overcoming the effects of signal loss due to a multipath environment in a mobile wireless telephony system |
| EP1745567B1 (en) * | 2004-05-13 | 2017-06-14 | QUALCOMM Incorporated | Non-frequency translating repeater with detection and media access control |
| EP1787392A1 (en) * | 2004-08-25 | 2007-05-23 | Koninklijke Philips Electronics N.V. | Rf selection switch for multiple antenna input |
| US8159390B2 (en) * | 2007-03-29 | 2012-04-17 | Raytheon Company | Temporal CW nuller |
| CN104316913B (en) * | 2014-11-13 | 2018-03-06 | 中国科学院电子学研究所 | Multichannel receiver real time calibration device and calibration and error compensating method |
| CN104486274B (en) * | 2014-12-11 | 2018-03-09 | 广东工业大学 | A kind of method for transmitting signals of multiple antennas single carrier-frequency division multiple access system |
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