CN106454672A - Multi-channel ultra-wideband communication transceiver - Google Patents
Multi-channel ultra-wideband communication transceiver Download PDFInfo
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- CN106454672A CN106454672A CN201611053322.8A CN201611053322A CN106454672A CN 106454672 A CN106454672 A CN 106454672A CN 201611053322 A CN201611053322 A CN 201611053322A CN 106454672 A CN106454672 A CN 106454672A
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- data
- wideband communications
- ultra
- communications transceiver
- multichannel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
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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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
- H04R25/552—Binaural
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/385—Transceivers carried on the body, e.g. in helmets
- H04B2001/3872—Transceivers carried on the body, e.g. in helmets with extendable microphones or earphones
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a multi-channel ultra-wideband communication transceiver. The multi-channel ultra-wideband communication transceiver can be divided into four sets of sub-channels in the 6.75-10.25 GHz bandwidth, so that transmission processing of data can be carried out; therefore, a condition that multiple users or equipment work simultaneously can be satisfied; the multi-channel ultra-wideband communication transceiver is composed of a transmitter and a receiver; the transmitter is composed of a digital gradient generator, a numerically controlled oscillator and a power amplifier; and the receiver is composed of a low-noise amplifier, a double-balanced frequency adjustor and a clock and data recovery circuit. The multi-channel ultra-wideband communication transceiver disclosed by the invention can be divided into the four sets of sub-channels in the 6.75-10.25 GHz bandwidth, so that transmission processing of data is carried out; and thus, the condition that multiple users or equipment work simultaneously can be satisfied.
Description
Technical field
The invention belongs to hearing aid design field, specifically, it is to be related to one kind to be applied to wireless binaural hearing aid communication
Transceiver, the situation that more particularly, to multi-user or many equipment work simultaneously.
Background technology
According to World Health Organization's data it is known that dysaudia is the most class of number in current disabled person
People.With the quickening of social senilization's progress, the proportion of Chinese Aged and the positive rapid increase of quantity, and wherein suffer from hearing
The number of obstacle even more increases year by year, and the demand for audiphone is also equally huge.
Audiphone now is faced with signal processing function variation and the development with wireless interconnectedization of audio frequency apparatus becomes
Gesture.Traditional monaural hearing aid can not complete well hearing auxiliary function, especially when patient left and right ears simultaneously
During the illness of various degrees, this is accomplished by more advanced wireless binaural hearing aid to carry out the miscellaneous function of hearing.
Advanced wireless binaural hearing aid should have the wireless connection between the ear of left and right, will the voice signal between the ear of left and right carry out mutually
Pass, reuse ears Speech processing algorithm and the voice signal from two ears is processed, to reach more preferable side
Tropism identification and Speech recognition.Meanwhile, audiphone should meet the hearing aid when multi-user is used simultaneously, between each user
Device can reach non-interfering effect it is ensured that the definition of voice signal.On the other hand, society now is information-intensive society,
Substantial amounts of information needs the reception of people.Substantial amounts of audio-frequency information is had to need wireless biography in the equipment such as smart mobile phone, TV, MP3
Deliver in audiphone, to meet user and receive calls, enjoy the requirement of multimedia messages.No matter be to ensure that left and right ear it
Between information transfer and multi-user's many equipment do not interfere with each other when using simultaneously, be also to ensure that Deaf and Hard of Hearing Talents can be more
Enjoy the modern life well, be required for a kind of new communication mode to solve these problems.
Content of the invention
The invention aims to overcoming deficiency of the prior art, provide a kind of multichannel supporting multi-user's work
Ultra-wideband communications transceiver (Chirp-Ultra Wide Band, namely Chirp-UWB).
The purpose of the present invention is achieved through the following technical solutions：
A kind of multichannel ultra-wideband communications transceiver, can be divided into 4 group subchannels in the bandwidth of 6.75GHz-10.25GHz
To carry out the transmission process of data, with the situation meeting multi-user or many equipment works simultaneously；It is made up of transmitter and receiver,
Described emitter is made up of a digital gradient generator, a numerically-controlled oscillator and a power amplifier, described connects
Receipts machine is made up of a low-noise amplifier, a double flat weighing apparatus frequency regulator and a clock and data recovery circuit.
The spectrum distribution of multichannel ultra-wideband communications transceiver is in the spatial dimension of 6.25GHz～10.25GHz.
Multichannel ultra-wideband communications transceiver adopts non-coherent demodulation method, reserves 500MHz's between 500MHz bandwidth
Idle frequency band, to reduce the interference between two neighboring frequency band, prevents erroneous judgement from occurring.
The data that described receiver receives enters described pair of balance frequency after described low-noise amplifier is amplified
Adjuster is demodulated, and described clock and data recovery circuit extracts pulse clock using digital over-sampled mode and receives number
According to, to receive data be further processed and output signal as final signal.
Compared with prior art, the beneficial effect that technical scheme is brought is：
1. communication transceiver of the present invention just can be divided into 4 group subchannels to carry out in the bandwidth of 6.75GHz-10.25GHz
The transmission process of data, thus meet the situation that multi-user or many equipment work simultaneously.
2. four passages can support the independent process of 4 groups of data thus being communicated, in addition in each subchannel simultaneously
Between set up isolation strip, thus there is no concern that the problem interfering, this also enhances while making full use of bandwidth resources
Consumer's Experience.
Brief description
Fig. 1 is the transmitter architecture block diagram of multichannel ultra-wideband communications transceiver of the present invention.
Fig. 2 is the receiver structure block diagram of multichannel ultra-wideband communications transceiver of the present invention.
Fig. 3 show multichannel communication schematic diagram.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
A kind of multichannel ultra-wideband communications transceiver (Chirp-UWB ultra-wideband communications transceiver), by emitter and reception
Machine two large divisions forms；Emitter is by digital gradient generator (Digital Gradient Generator), a number
Oscillator (Digitally-Controlled Oscillator, DCO) and power amplifier (PA) composition that word controls.
Receiver is by a low-noise amplifier (LNA), double flat weighing apparatus (Double-Balanced) frequency demodulator, a Yi Jiyi
Individual clock and data recovery (CDR) circuit composition.The foundation of multichannel communication pattern is mainly based upon emitter to realize.
Because Chirp-UWB ultra-wide band transceiver spectrum distribution is in the range of the broad space of 6.25GHz～10.25GHz, for this
Wide space can be divided into by the way of frequency division multiplexing (FDMA) several channels to reach multi-user or
The purpose that many equipment work simultaneously.Frequency division multiplexing, can be by namely when the signal bandwidth of transmission is far smaller than given bandwidth
Total bandwidth for transmission channel is divided into several subchannel transmission signals.And require total bandwidth to be more than each sub-channel frequencies
Sum, meanwhile, in order to ensure that transmitted signal in every sub-channels is not subject to disturbing each other, between every sub-channels
Set up isolation strip.
Transceiver is widely used in the Wireless Personal Network of short distance low rate communication feature and wireless physical culture net.?
There are IEEE 802.15 serial protocols, 802.15.1 (bluetooth Bluetooth, low-power consumption bluetooth BLE) and 802.15.4 in this field
(Zigbee) there are chip or the system of commercialization, they mainly carry out narrow band communication, IEEE using the ISM band of 2.4GHz
802.15.6 (wireless body area network), in addition to the narrow band communication defining 2.4GHz, also defines super-broadband tech (i.e. in physical layer
UWB, frequency range is distributed in 3.1GHz～10.6GHz).The frequency spectrum of transceiver radiofrequency signal of the present invention is distributed over the height of UWB
In frequency range (6.25GHz～10.25GHz), the interference from 2.4GHz ISM band and mobile communication frequency range can be avoided.Remove
The orthogonal signalling of transceiver occupy the bandwidth of 500MHz, and this broad high band is further divided into multiple 500MHz bandwidth
Subchannel carries out multi-user communication.Use relatively simple non-coherent demodulation method in view of ultra broadband, be not concerned with solution
Adjust so good resolution capability, so reserving the idle frequency band of 500MHz between 500MHz bandwidth to reduce two neighboring frequency band
Between interference, prevent erroneous judgement occur.4 group subchannels just can be divided into so in the bandwidth of 6.75GHz-10.25GHz to enter
The transmission process of row data, thus meet the situation that multi-user or many equipment work simultaneously.
It is illustrated in figure 1 transmitter architecture figure.Emitter is by a digital gradient generator (Digital Gradient
Generator), numerically controlled oscillator (Digitally-Controlled Oscillator, DCO) and a work(
Rate amplifier (PA) forms.Taking the band bandwidth as 500MHz for the 7.75GHz-8.25GHz width as a example：Digital gradient occurs
Device, under the control of the system clock of 100MHz, carries out frequency sweep with the time step of 10ns, generates the gradient upwards of 10 step-lengths
Or to Gradient.The temporal resolution of this digital gradient generator is 10ns.This digital gradient generator directly modulation one number
The oscillator that word controls is come the pulse of the 100ns width needed for producing.Gradient upwards correspond to frequency from 8.025GHz to
The pulse that 8.25GHz rises, and the pulse that downward gradient declines from 7.975GHz to 7.75GHz corresponding to frequency.So exist
It is the formation of a group subchannel in 7.75GHz-8.25GHz width range.
It is illustrated in figure 2 receiver structure figure.Receiver is by a low-noise amplifier (LNA), a double flat weighing apparatus
(Double-Balanced) frequency demodulator and clock and data recovery (CDR) circuit composition.The data warp receiving
Cross entrance frequency demodulator after low-noise amplifier is amplified to be demodulated, clock and data recovery circuit is crossed using numeral and adopted
Sample loading mode extracts pulse clock and receiving data, and the data receiving is further processed and exports the letter finally giving
Number.
It is illustrated in figure 3 multichannel communication schematic diagram.Use relatively simple incoherent in view of ultra broadband
Demodulation method, does not have the so good resolution capability of coherent demodulation, reserves the idle frequency of 500MHz between the channel of 500MHz bandwidth
Bring reduction monkey chatter, prevent the generation judged by accident.So bandwidth of 2.5GHz may serve as CH4, CH6, CH8 tri- and leads to
Road, the bandwidth of 3.5GHz may serve as tetra- passages of CH4, CH6, CH8, CH10.This also indicates that in 6.75GHz-
It now is possible to support the independent process of 4 groups of data thus being communicated mutual without worrying simultaneously in the bandwidth of 10.25GHz
The problem of interference.This also enhances Consumer's Experience while making full use of bandwidth resources.
The present invention is not limited to embodiments described above.Above the description of specific embodiment is intended to describe and say
Bright technical scheme, above-mentioned specific embodiment is only schematically, is not restricted.Without departing from this
In the case of invention objective and scope of the claimed protection, those of ordinary skill in the art also may be used under the enlightenment of the present invention
Make the concrete conversion of a lot of forms, these belong within protection scope of the present invention.
Claims (5)
1. a kind of multichannel ultra-wideband communications transceiver is it is characterised in that can be divided into 4 in the bandwidth of 6.75GHz-10.25GHz
Group subchannel carrying out the transmission process of data, with the situation meeting multi-user or many equipment works simultaneously；By emitter and connecing
Receipts machine forms, and described emitter is by a digital gradient generator, a numerically-controlled oscillator and a power amplifier group
Become, described receiver is by a low-noise amplifier, a double flat weighing apparatus frequency regulator and a clock and data recovery electricity
Road forms.
2. according to claim 1 a kind of multichannel ultra-wideband communications transceiver it is characterised in that multichannel ultra-wideband communications
The spectrum distribution of transceiver is in the spatial dimension of 6.25GHz～10.25GHz.
3. according to claim 1 a kind of multichannel ultra-wideband communications transceiver it is characterised in that multichannel ultra-wideband communications
Transceiver adopts non-coherent demodulation method, and the idle frequency band reserving 500MHz between 500MHz bandwidth is to reduce two neighboring frequency
Interference between band, prevents erroneous judgement from occurring.
4. according to claim 1 a kind of multichannel ultra-wideband communications transceiver it is characterised in that described receiver receive
Data enters described double flat weighing apparatus frequency regulator after described low-noise amplifier is amplified and is demodulated, described clock with
Data recovery circuit extracts pulse clock and receiving data using digital over-sampled mode, and the data receiving is located further
Manage and output signal is as final signal.
5. according to claim 1 a kind of multichannel ultra-wideband communications transceiver it is characterised in that setting between every sub-channels
Be equipped with isolation strip, with ensure in every sub-channels transmission signal be not subject to disturbing each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053322.8A CN106454672A (en) | 2016-11-24 | 2016-11-24 | Multi-channel ultra-wideband communication transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611053322.8A CN106454672A (en) | 2016-11-24 | 2016-11-24 | Multi-channel ultra-wideband communication transceiver |
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| Publication Number | Publication Date |
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| CN106454672A true CN106454672A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611053322.8A Pending CN106454672A (en) | 2016-11-24 | 2016-11-24 | Multi-channel ultra-wideband communication transceiver |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356794A (en) * | 2005-11-03 | 2009-01-28 | 韦尔丰公司 | Method and device for wireless sound production into user's ear |
| US20090074203A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Method of enhancing sound for hearing impaired individuals |
| CN101421937A (en) * | 2006-04-14 | 2009-04-29 | 高通股份有限公司 | Apparatus and method of pulse generation for ultra-wideband transmission |
| CN105282842A (en) * | 2014-06-30 | 2016-01-27 | 上海酷远物联网科技有限公司 | Handheld terminal precise positioning method |
-
2016
- 2016-11-24 CN CN201611053322.8A patent/CN106454672A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356794A (en) * | 2005-11-03 | 2009-01-28 | 韦尔丰公司 | Method and device for wireless sound production into user's ear |
| CN101421937A (en) * | 2006-04-14 | 2009-04-29 | 高通股份有限公司 | Apparatus and method of pulse generation for ultra-wideband transmission |
| US20090074203A1 (en) * | 2007-09-13 | 2009-03-19 | Bionica Corporation | Method of enhancing sound for hearing impaired individuals |
| CN105282842A (en) * | 2014-06-30 | 2016-01-27 | 上海酷远物联网科技有限公司 | Handheld terminal precise positioning method |
Non-Patent Citations (1)
| Title |
|---|
| 陈霏: "用于无线双耳助听器的低功耗超宽带收发机技术的研究", 《中国优秀硕士学位论文全文数据库 医药卫生科技辑》 * |
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