CN105338601A - Wireless communication system used for multiple access - Google Patents
Wireless communication system used for multiple access Download PDFInfo
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- CN105338601A CN105338601A CN201510670890.1A CN201510670890A CN105338601A CN 105338601 A CN105338601 A CN 105338601A CN 201510670890 A CN201510670890 A CN 201510670890A CN 105338601 A CN105338601 A CN 105338601A
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- Prior art keywords
- baseband processor
- receiver
- memory
- radio
- module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- 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
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to the field of communication systems, in particular to a wireless communication system used for multiple access. The wireless communication system comprises a user experience system and a mobile system controlled by the user experience system. According to the invention, power consumption of a wireless electric receiver in a multiple access wireless system can be reduced; optimally, level of required control signals is received and decoded, so that the level can be reduced to the lowest level; and in addition, access time to space of the receiver is reduced to the greatest extent, so power consumption is reduced, and loss of performance or receiving quality can be avoided.
Description
Technical field
The present invention relates to the field of communication system, especially a kind of wireless communication system for multiple access access.
Background technology
OFDM (OFDM), digital multi-carrier modulation scheme is well-known one.The subcarrier that it have employed a large amount of tight spacings is mutually orthogonal.Each subcarrier and traditional modulation scheme are modulated (such as, quadrature amplitude modulation (QAM)) in low symbol rate, keep data transfer rate with traditional single-carrier modulation scheme in identical bandwidth.Be that it tackles the ability of serious channel condition in the major advantage of the OFDM of single-carrier scheme, as copper cash high frequency attenuation, in arrowband interference and frequency selective fading multipath receiver, and do not need the equalization filter of complexity.Channel equalization is because the broadband signal that OFDM can regard narrow band signal instead of the fast modulation using many slow modulation as simplifies.Low symbol rate makes the use at the practicable protection interval between symbol, thus makes it
the possible processing time propagates and eliminates intersymbol interference (ISI).
At present, mobile radio system evolves (i.e. 4G network-work) to four generations.The number of users increased to the promise of 4G evolution and the increase of user bandwidth.Along with the increase of mobility, these new systems are by needs increasing substantially at system requirements.Some new technology plans will be used for the increase meeting system requirements.This technology is orthogonal point of multiple access access (OFDMA), proposes a wireless technology and Ultra-Mobile Broadband.For improve power system capacity another kind of technology (i.e. throughput, covering, user rate, etc.) be called as that " multiple-input and multiple-output (MIMO), multiple transmitting and receiving antenna is used to.
In modern broadband multiple access system, each symbol has very large bit number.In addition, the task that must perform, normally very complicated with reception by radio transmitting, need a large amount of computational resources.This can cause usually in processing delay and relative a large amount of energy transmission and the requirement receiving a symbol.When user starts or terminate a network service, all control signals pass to all users, each frame and each frame.The operation of this pattern allows, but efficiency is very low, and from the angle of network, because control signal expense is quite high, network efficiency reduces greatly.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome above-mentioned middle Problems existing, provides a kind of wireless communication system for multiple access access, effectively can reduce the power consumption of radio receiver.
The technical solution adopted for the present invention to solve the technical problems is: a kind of wireless communication system for multiple access access, comprises Consumer's Experience system and is carried out the mobile system that controls by Consumer's Experience system,
Described Consumer's Experience system comprises RF front-end module, transmitter, receiver, Baseband processor, computer, main frame, control processor, power management module and memory, main frame is connected with computer by terminal interface, computer is connected with Baseband processor, RF front-end module is sent to by transmitter after Baseband processor processed frame, the antenna transmission signal that RF front-end module is coupled by one, the received antenna signal signal feedback that RF front-end module is coupled by another receives to receiver, thus the Signal transmissions received is processed to Baseband processor, described power management module provides electric energy for control processor, control processor is connected with computer with memory respectively, transmitter comprises the digital to analog converter launched upper device frequently and be connected with the upper device frequently of transmitting, receiver comprises the analog to digital converter receiving lower device frequently and be connected with the lower device frequently of reception,
Described mobile system comprises travelling carriage, USB power source and AC/AD adapter, USB power source and AC/AD adapter are electrically connected with travelling carriage respectively, and travelling carriage comprises digital baseband processor, several radio-frequency receiving-transmitting information machines, FM receiver, audio codec, subscriber identification module, external memory storage, display controller, TV frequency variator, camera, Multimedia Encoder, GPS, the battery management module that vibrator provides the battery of electric energy with for digital baseband processor and is connected with battery, digital baseband processor and radio-frequency receiving-transmitting information machine, FM receiver, audio codec, subscriber identification module, external memory storage, display controller, TV frequency variator, camera, Multimedia Encoder, GPS, vibrator is connected, and is provided with control signal transmission information module in radio-frequency receiving-transmitting information machine, radio-frequency receiving-transmitting information machine, FM receiver, TV frequency variator, GPS is all connected with antenna, described audio codec is connected with loud speaker and microphone, display controller is connected with display, and described radio-frequency receiving-transmitting information machine is connected with signal by antenna and RF front-end module.
Described memory comprises static random access memory, Erasable Programmable Read Only Memory EPROM.
Described digital baseband processor is also connected with USB and input keyboard.
The invention has the beneficial effects as follows, a kind of wireless communication system for multiple access access of the present invention, the power consumption of radio receiver can be reduced in Multiple access wireless systems, this system preferably makes the level of required control signal be received and decoding, to reduce to a floor level, in addition, this system reduces the access time in the space of this receiver enough as far as possible, thus reduces power consumption and avoid the loss of performance or the quality of reception.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the structured flowchart of Consumer's Experience system of the present invention;
Fig. 3 is the structured flowchart of mobile system of the present invention.
1. Consumer's Experience systems in figure, 11. RF front-end modules, 12. transmitters, frequency device in 12-1. transmitting, 12-2. digital to analog converter, 13. receivers, 13-1. receives lower device frequently, 13-2. analog to digital converter, 14. Baseband processor, 15. computers, 16. main frames, 17. control processors, 18. power management modules, 19. memories, 2. mobile system, 21. travelling carriages, 21-1. digital baseband processor, 21-2. radio-frequency receiving-transmitting information machine, 21-2-1. control signal transmission information module, 21-3. FM receiver, 21-4. audio codec, 21-5. subscriber identification module, 21-6. external memory storage, 21-7. display controller, 21-8. TV frequency variator, 21-9. camera, 21-10. Multimedia Encoder, 21-11.GPS, 21-12. vibrator, 21-13. battery, 21-14. battery management module, 21-15. loud speaker, 21-16. microphone, 21-17. display, 21-18.USB, 21-19. input keyboard, 22.USB power supply, 23.AC/AD adapter.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
A kind of wireless communication system for multiple access access as shown in Figure 1, is comprised Consumer's Experience system 1 and is carried out the mobile system 2 that controls by Consumer's Experience system 1.
A kind of wireless communication system for multiple access access as shown in Figure 2, Consumer's Experience system 1 comprises RF front-end module 11, transmitter 12, receiver 13, Baseband processor 14, computer 15, main frame 16, control processor 17, power management module 18 and memory 19, main frame 16 is connected with computer 15 by terminal interface, power management module 18 provides electric energy for control processor 17, control processor 17 is connected with computer 15 with memory 19 respectively, memory 19 comprises static random access memory 19-1, Erasable Programmable Read Only Memory EPROM 19-2, static random access memory 19-1, Erasable Programmable Read Only Memory EPROM 19-2 is connected with control processor 17, computer 15 is connected with Baseband processor 14, by launching upper device 12-1 frequently after Baseband processor 14 processed frame, in transmitting, device 12-1 sends to RF front-end module 11 by digital to analog converter 12-2 frequently, the antenna transmission signal that RF front-end module 11 is coupled by one, RF front-end module 11 by another received antenna signal signal feedback be coupled to analog to digital converter 13-2, receive by receiving lower device 13-1 frequently after analog to digital converter 13-2 changes, thus the Signal transmissions received is processed to Baseband processor 14, signal feedback after process is to computer 15, finally be transferred to main frame 16.
A kind of wireless communication system for multiple access access as shown in Figure 3, mobile system 2 comprises travelling carriage 21, USB power source 22 and AC/AD adapter 23, USB power source 22 and AC/AD adapter 23 are electrically connected with travelling carriage 21 respectively, and travelling carriage 21 comprises digital baseband processor 21-1, several radio-frequency receiving-transmitting information machines 21-2, FM receiver 21-3, audio codec 21-4, subscriber identification module 21-5, external memory storage 21-6, display controller 21-7, TV frequency variator 21-8, camera 21-9, Multimedia Encoder 21-10, GPS21-11, vibrator 21-12 and the battery management module 21-14 battery 21-13 of electric energy being provided for digital baseband processor 21-1 and being connected with battery 21-13, digital baseband processor 21-1 and radio-frequency receiving-transmitting information machine 21-2, FM receiver 21-3, audio codec 21-4, subscriber identification module 21-5, external memory storage 21-6, display controller 21-7, TV frequency variator 21-8, camera 21-9, Multimedia Encoder 21-10, GPS21-11, vibrator 21-12 is connected, and is provided with control signal transmission information module 21-2-1 in radio-frequency receiving-transmitting information machine 21-2, radio-frequency receiving-transmitting information machine 21-2, FM receiver 21-3, TV frequency variator 21-8, GPS21-11 is all connected with antenna, audio codec 21-4 is connected with loud speaker 21-15 and microphone 21-16, display controller 21-7 is connected with display 21-17, radio-frequency receiving-transmitting information machine 21-2 is connected with signal by antenna and RF front-end module 11, and digital baseband processor 26 is also connected with USB21-18 and input keyboard 21-19.
A kind of wireless communication system for multiple access access of the present invention, Baseband processor 14 is coupled to transmitter 12 and receiver 13 carrys out transmission user id information, present frame becomes one or more code words to send to radio-frequency receiving-transmitting information machine 21-2 by RF front-end module as the entity coding of the first decoding, if the user ID of correspondence is distributed find the control signal transmission information obtaining present frame in lists, otherwise stop the reception of present frame, after radio-frequency receiving-transmitting information machine 21-2 receives information, be transferred to digital baseband processor 21-1, keyboard 21-19 dials, vibrator 21-12 reminding user, USB21-18 or other interfaces connect (such as, SPI, SMO, PCI, etc.) provide computer or other equipment that one is connected serially to user, a FM receiver 21-3 and antenna provide the ability of listening in frequency modulation broadcast for user, external power source is connected the charging and discharging of also operational administrative battery with AC/AD adapter 23 battery management module 21-14 by USB power source 22 provides, user identifies mould, 21-5 provides for storing user data if address book entries is to the SIM card interface etc. of user, SIM card is used to represent that the smart card of any type is for preserving the relevant information of user, as identity and contact details, certification, authorize and charging (AAA), the differences such as configuration information, standard uses different titles, such as, GSMSIM card, our UMTS and LTE and IMS client.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (3)
1. for a wireless communication system for multiple access access, it is characterized in that: comprise Consumer's Experience system (1) and carry out by Consumer's Experience system (1) mobile system (2) that controls,
Described Consumer's Experience system (1) comprises RF front-end module (11), transmitter (12), receiver (13), Baseband processor (14), computer (15), main frame (16), control processor (17), power management module (18) and memory (19), main frame (16) is connected with computer (15) by terminal interface, computer (15) is connected with Baseband processor (14), RF front-end module (11) is sent to by transmitter (12) after Baseband processor (14) processed frame, the antenna transmission signal that RF front-end module (11) is coupled by one, RF front-end module (11) is received to receiver (12) by another received antenna signal signal feedback be coupled, thus the Signal transmissions received is processed to Baseband processor (14), described power management module (18) provides electric energy for control processor (17), control processor (17) is connected with computer (15) with memory (19) respectively, transmitter (12) comprises the digital to analog converter (12-2) launched upper device (12-1) frequently and be connected with the upper device (12-1) frequently of transmitting, receiver (13) comprises the analog to digital converter (13-2) receiving lower device (13-1) frequently and be connected with the lower device (13-1) frequently of reception,
Described mobile system (2) comprises travelling carriage (21), USB power source (22) and AC/AD adapter (23), USB power source (22) and AC/AD adapter (23) are electrically connected with travelling carriage (21) respectively, and travelling carriage (21) comprises digital baseband processor (21-1), several radio-frequency receiving-transmitting information machines (21-2), FM receiver (21-3), audio codec (21-4), subscriber identification module (21-5), external memory storage (21-6), display controller (21-7), TV frequency variator (21-8), camera (21-9), Multimedia Encoder (21-10), GPS (21-11), vibrator (21-12) and the battery management module (21-14) providing the battery of electric energy (21-13) for digital baseband processor (21-1) and be connected with battery (21-13), digital baseband processor (21-1) and radio-frequency receiving-transmitting information machine (21-2), FM receiver (21-3), audio codec (21-4), subscriber identification module (21-5), external memory storage (21-6), display controller (21-7), TV frequency variator (21-8), camera (21-9), Multimedia Encoder (21-10), GPS (21-11), vibrator (21-12) is connected, and is provided with control signal transmission information module (21-2-1) in radio-frequency receiving-transmitting information machine (21-2), radio-frequency receiving-transmitting information machine (21-2), FM receiver (21-3), TV frequency variator (21-8), GPS (21-11) is all connected with antenna, described audio codec (21-4) is connected with loud speaker (21-15) and microphone (21-16), display controller (21-7) is connected with display (21-17), described radio-frequency receiving-transmitting information machine (21-2) is connected with signal by antenna and RF front-end module (11).
2. a kind of wireless communication system for multiple access access according to claim 1, it is characterized in that: described memory (19) comprises static random access memory (19-1), Erasable Programmable Read Only Memory EPROM (19-2), static random access memory (19-1), Erasable Programmable Read Only Memory EPROM (19-2) are connected with control processor (17).
3. a kind of wireless communication system for multiple access access according to claim 1, is characterized in that: described digital baseband processor (26) is also connected with USB (21-18) and input keyboard (21-19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670890.1A CN105338601A (en) | 2015-10-13 | 2015-10-13 | Wireless communication system used for multiple access |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670890.1A CN105338601A (en) | 2015-10-13 | 2015-10-13 | Wireless communication system used for multiple access |
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| CN105338601A true CN105338601A (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510670890.1A Pending CN105338601A (en) | 2015-10-13 | 2015-10-13 | Wireless communication system used for multiple access |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444468A (en) * | 2016-05-03 | 2017-02-22 | 重庆青年职业技术学院 | Information machine adapter detection system and method |
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| CN1625163A (en) * | 2003-07-18 | 2005-06-08 | 美国博通公司 | Apparatus and method and for generating an orthogonal frequency division multiplexing (OFDM) frame for wireless communications |
| CN101207398A (en) * | 2006-12-19 | 2008-06-25 | 美国博通公司 | Voice-data-RF IC |
| US20080192622A1 (en) * | 2007-02-09 | 2008-08-14 | Comsys Communication & Signal Processing Ltd. | Control channel signaling in a multiple access wireless communication system |
| CN101848004A (en) * | 2008-12-02 | 2010-09-29 | 美国博通公司 | Configurable receiver, transmitter, transceiver and methods for use therewith |
| US20120044845A1 (en) * | 2010-08-20 | 2012-02-23 | Samsung Electronics Co. Ltd. | Transmission power control method of base station in ofdma-based wireless communication system |
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2015
- 2015-10-13 CN CN201510670890.1A patent/CN105338601A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1625163A (en) * | 2003-07-18 | 2005-06-08 | 美国博通公司 | Apparatus and method and for generating an orthogonal frequency division multiplexing (OFDM) frame for wireless communications |
| CN101207398A (en) * | 2006-12-19 | 2008-06-25 | 美国博通公司 | Voice-data-RF IC |
| US20080192622A1 (en) * | 2007-02-09 | 2008-08-14 | Comsys Communication & Signal Processing Ltd. | Control channel signaling in a multiple access wireless communication system |
| CN101848004A (en) * | 2008-12-02 | 2010-09-29 | 美国博通公司 | Configurable receiver, transmitter, transceiver and methods for use therewith |
| US20120044845A1 (en) * | 2010-08-20 | 2012-02-23 | Samsung Electronics Co. Ltd. | Transmission power control method of base station in ofdma-based wireless communication system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106444468A (en) * | 2016-05-03 | 2017-02-22 | 重庆青年职业技术学院 | Information machine adapter detection system and method |
| CN106444468B (en) * | 2016-05-03 | 2023-09-05 | 重庆青年职业技术学院 | Information machine adapter detection system and method |
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Application publication date: 20160217 |