CN110099401A - A kind of transmission mode determines method, base station and terminal - Google Patents
A kind of transmission mode determines method, base station and terminal Download PDFInfo
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- CN110099401A CN110099401A CN201810094562.5A CN201810094562A CN110099401A CN 110099401 A CN110099401 A CN 110099401A CN 201810094562 A CN201810094562 A CN 201810094562A CN 110099401 A CN110099401 A CN 110099401A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
Abstract
The present invention provides a kind of transmission mode and determines method, base station and terminal, which determines that method is applied to base station, comprising: obtains terminal current angle of arrival and service quality QoS index；According to the angle of arrival and the QoS index, determine that currently transmitted mode is single user multiple-input and multiple-output MIMO sending mode or multiuser MIMO sending mode.The present invention angle of arrival and QoS index current according to terminal, dynamic adaptive adjustment has been carried out to sending mode, the influence of the real time position of train to the communication quality of the communication system under high-speed mobile scene can thus be reduced, the stability of communication system is improved, and then the balance between high transfer rate and system robustness is better achieved.
Description
Technical field
The present invention relates to fields of communication technology more particularly to a kind of transmission mode to determine method, base station and terminal.
Background technique
Currently, 3GPP's (third generation partner program, 3rd Generation Partnership Project)
In standardisation process, high-speed mobile scene (for example, the high-speed rail scene) application scenarios important as one are by extensive concern.
Under high-speed mobile scene, since communication channel obtains more difficulty, thus data transmission efficiency is often lower, mesh
Before, in order to improve the data transmission efficiency under high-speed mobile scene, mainly using multiuser MIMO (MIMO technique,
Multiple-Input Multiple-Output) realize multiple stream transmission.However, presently, there are certain defects for this way, it is main
The real time position that the communication quality of communication system is shown as by train is affected.Using the high-speed rail of multiuser MIMO
Scene for example, with the increase of the distance between train and base station, the direction of arrival of each user terminal on train it
Between angle be gradually reduced, i.e., each user terminal is increasingly closer to each communication channel that base station is formed, or even is difficult to differentiate, this
So that using multiuser MIMO communicated during, the data of each user terminal can exist it is stronger interfere with each other, from
And reduce communication quality.
It follows that the shadow of real time position of the communication quality of the communication system under current high-speed mobile scene by train
Sound is larger.
Summary of the invention
In view of this, the present invention, which provides a kind of transmission mode, determines method, base station and terminal, to solve current high-speed mobile
Real time position be affected the problem of of the communication quality of communication system under scene by train.
In order to solve the above technical problems, the present invention is implemented as follows:
In a first aspect, the present invention, which provides a kind of transmission mode, determines method, it is applied to base station, comprising:
Obtain terminal current angle of arrival and QoS (service quality, Quality of Service) index；
According to the angle of arrival and the QoS index, determine that currently transmitted mode is Single User MIMO sending mode or more
User's MIMO sending mode.
Second aspect, the present invention also provides a kind of transmission modes to determine method, is applied to terminal, comprising:
Uplink information is sent to base station and QOS indication information, the uplink information and the QOS indication information are respectively used to
The base station obtains the current angle of arrival and QoS index of the terminal, so that the base station is according to the angle of arrival and the QoS
Index determines that currently transmitted mode is Single User MIMO sending mode or multiuser MIMO sending mode.
The third aspect, the present invention also provides a kind of base stations, comprising:
Receiver, for obtaining the current angle of arrival of terminal and service quality QoS index；
Processor, for determining currently transmitted mode for Single User MIMO hair according to the angle of arrival and the QoS index
Send mode or multiuser MIMO sending mode.
Fourth aspect, the present invention also provides a kind of terminals, comprising:
Transmitter, for sending uplink information and QOS indication information, the uplink information and the QOS index to base station
Information is respectively used to the base station and obtains the current angle of arrival and QoS index of the terminal, so that the base station is arrived according to
Determine that currently transmitted mode is Single User MIMO sending mode or multiuser MIMO sending mode up to angle and the QoS index.
5th aspect the present invention also provides a kind of base station, including memory, processor and is stored on the memory simultaneously
The computer program that can be run on the processor；The processor realizes the corresponding biography in above-mentioned base station when executing described program
Defeated mode determining method.
6th aspect the present invention also provides a kind of terminal, including memory, processor and is stored on the memory simultaneously
The computer program that can be run on the processor；The processor realizes the corresponding biography of above-mentioned terminal when executing described program
Defeated mode determining method.
7th aspect, the present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the journey
Realize that above-mentioned transmission mode corresponding with base station determines the step in method when sequence is executed by processor；Alternatively, the program is located
Reason device realizes that above-mentioned transmission mode corresponding with terminal determines the step in method when executing.
The advantageous effects of the above technical solutions of the present invention are as follows:
The present invention angle of arrival and QoS index current according to terminal determine currently transmitted mode for Single User MIMO transmission
Mode or multiuser MIMO sending mode, i.e., due to base station according to the current location and present communications quality of terminal to sending mode
Dynamic adaptive adjustment is carried out, it is thus possible to reduce the real time position of train to the communication system under high-speed mobile scene
The influence of communication quality, improves the stability of communication system, and then is better achieved between high transfer rate and system robustness
Balance.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed in being described below to the embodiment of the present invention
Attached drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention,
For those of ordinary skill in the art, without any creative labor, it can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that the transmission mode of the embodiment of the present invention one determines the flow diagram of method；
Fig. 2 is that the transmission mode of the embodiment of the present invention two determines the flow diagram of method；
Fig. 3 is the interaction flow schematic diagram between the terminal and base station of the embodiment of the present invention three；
Fig. 4 is the structural schematic diagram of the base station of the embodiment of the present invention four；
Fig. 5 is the structural schematic diagram of the terminal of the embodiment of the present invention five.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to FIG. 1, the embodiment of the present invention one, which provides a kind of transmission mode, determines method, it is applied to base station, comprising:
Step 11 obtains terminal current angle of arrival and QoS index；
Step 12, according to the angle of arrival and the QoS index, determine that currently transmitted mode is that Single User MIMO sends mould
Formula or multiuser MIMO sending mode.
Wherein, above-mentioned acquisition can be base station and be obtained by calculating, and is also possible to base station and is sent by receiving other equipment
Data acquisition.The current angle of arrival of above-mentioned terminal can refer to the end for wave (i.e. signal) the arrival current location that base station issues
Angle when end between wave ray and horizontal plane.
It should be pointed out that due to the relative position of rail and base station be it is determining, rail information (for example, rail with
The distance between base station value) and train trace information etc. known in situation, can directly be calculated by angle of arrival terminal and
The distance between base station calculates eventually according to angle of arrival and default rail information first so specifically can be in above-mentioned steps 102
The distance between end and base station, then according to the distance between terminal and base station and QOS index, determine that currently transmitted mode is
Single User MIMO sending mode or multiuser MIMO sending mode.
In embodiments of the present invention, the base station angle of arrival and QoS index current according to terminal determines that currently transmitted mode is
Single User MIMO sending mode (can reduce the data interference between user terminal) or multiuser MIMO sending mode (can mention
The population size of high system), i.e., base station has carried out dynamic adaptive tune according to the current location and present communications quality of terminal
It is whole, it is thus possible to reduce the influence of the real time position of train to the communication quality of the communication system under high-speed mobile scene, improve
The stability of communication system, and then the balance between high transfer rate and system robustness is better achieved.
In the embodiment of the present invention, optionally, the QoS index includes at least one of: CQI (channel quality instruction,
Channel Quality Indicator), SINR (Signal to Interference plus Noise Ratio, Signal to Interference
Plus Noise Ratio), RSRP (Reference Signal Received Power, Reference Signal Receiving Power) and
RSRQ (Reference Signal Received Quality, Reference Signal Receiving Quality).
Wherein, above-mentioned QoS index is not limited to aforementioned these cited indexs, is also possible to other related indexs,
It is not listed one by one herein.
In the embodiment of the present invention, optionally, the step of obtaining terminal current angle of arrival, comprising:
The uplink information that the terminal is sent is received, and the current arrival of the terminal is estimated according to the uplink information
Angle.
Wherein, above-mentioned uplink information can be SRS (Sounding Reference Signal, Sounding Reference
Signal), it is also possible to PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) information, also
It can be demodulated reference signal DM-RS (demodulation reference signal) etc., in this regard, the embodiment of the present invention is not
It limits.When above-mentioned uplink information uses SRS, can achieve compatible existing 5G NR, (the 5th third-generation mobile communication technology is wirelessly connect
Enter, 5th-Generation New Radio) purpose of equipment.
The current angle of arrival of the above-mentioned estimation terminal, can refer to the arrival current based on a certain algorithm computing terminal
Angle；The current angle of arrival of above-mentioned terminal can store in cache list after being estimated, in case subsequent use.The present invention
In embodiment, optionally, the step of obtaining terminal current QoS index, includes:
Receive the QOS indication information that the terminal is sent.
Wherein, the QOS indication information that above-mentioned reception terminal is sent can be and directly receive the QOS index letter that terminal is sent
Breath is also possible to receive the CSI (channel state information, the Channel State that carry QOS indication information that terminal is sent
Information), it can achieve compatible existing 5G NR by receiving the CSI of carrying QOS indication information to obtain QOS index
The purpose of equipment improves the applicability of communication system.In addition, above-mentioned QOS indication information, which can be terminal, is receiving base station hair
The CSI-RS (channel state information reference signals, channel status information reference signal) sent
Afterwards, according to CSI-RS to the information of base station feedback (send).
In this way, feedback quantity is small since QOS indication information is numerical value, thus the QOS indication information sent by receiving terminal
It obtains QOS index and is more applicable for high-speed mobile scene.
In the embodiment of the present invention, optionally, according to the angle of arrival and the QoS index, determine that currently transmitted mode is
The step of Single User MIMO sending mode or multiuser MIMO sending mode, comprising:
When the angle of arrival be less than or equal to the first preset threshold, and the QOS index be less than or equal to the second default threshold
Value determines that currently transmitted mode is Single User MIMO sending mode；
Otherwise, it determines currently transmitted mode is multiuser MIMO sending mode.
Wherein, above-mentioned first preset threshold and the second preset threshold can according to need and be adjusted, so as to preferably
Realize the balance between high-speed and system robustness.
In this way, when angle of arrival is less than or equal to the first preset threshold, and QOS index is less than or equal to the second preset threshold
When, farther out the data of terminal room (interference stronger) apart from base station, and communication quality is poor, is at this time determined as sending mode for terminal
Single User MIMO can be further reduced the interference of the data between each terminal, improve integrated communication quality；And when angle of arrival is greater than
When first preset threshold or QOS index are greater than the second preset threshold, terminal apart from base station it is relatively close (the data interference of terminal room compared with
It is weak) or communication quality it is preferable, at this time by sending mode be determined as multiuser MIMO can further lifting system population size,
The influence of the real time position of train to the communication quality of the communication system under high-speed mobile scene is further decreased, and then preferably
Realize the balance between high transfer rate and system robustness.
In the embodiment of the present invention, optionally, the acquisition terminal current angle of arrival and QoS index the step of after,
Further include:
According to the angle of arrival, the QOS index and default train trace information, to current pre-coding matrix instruction
PMI (pre-coding matrix instruction, Precoding Matrix Indicator) is estimated, and PMI is currently estimated；
It generates and current estimates the corresponding current beam forming vector of PMI with described.
Wherein, above-mentioned train trace information may include rail information (for example, the distance between rail and base station value) and
Train speed information；It is above-mentioned estimate can be calculated based on a certain algorithm.Above-mentioned generation with described currently to estimate PMI corresponding
Current beam forming vector, can refer to based on currently estimate PMI adjustment real beam forming vector.
In this way, carrying out beam forming using the PMI that the PMI estimated rather than terminal are fed back, high-speed mobile field can be overcome
The problem of PMI of terminal feeds back not in time or postpones under scape, and then improve communication quality.
In the embodiment of the present invention, optionally, PMI corresponding current beam forming arrow is currently estimated with described in the generation
Before the step of amount, further includes:
The PMI and K efficacy parameters for estimating PMI generation are estimated according to the K prestored, currently estimate PMI to described
It is adjusted, the K is integer more than or equal to 1, and it is currently to estimate that PMI is corresponding to be estimated described that the K, which are estimated PMI,
Before time, the terminal progress PMI inscribed when based on K estimates resulting K and estimates PMI；
It generates and adjusted current estimates the corresponding current beam forming vector of PMI with described.
Wherein, it can be and for estimating the method that above-mentioned K are estimated PMI for estimating the above-mentioned side for currently estimating PMI
Method is consistent；The terminal inscribed at above-mentioned K can be the terminal at corresponding K different location.The above-mentioned effect for estimating PMI generation
Fruit parameter can refer to based on the QOS and angle of arrival estimated when PMI carries out data transmission, estimate PMI based on each and exist
One corresponding QOS and angle of arrival.
In this way, estimating the efficacy parameter adjustment that PMI and this K is estimated PMI generation based on K before this currently estimates PMI,
It can be further improved the precision for currently estimating PMI, and then improve communication quality.
Referring to FIG. 2, the embodiment of the present invention two, which also provides a kind of transmission mode, determines method, it is applied to terminal, comprising:
Step 21 sends uplink information and QOS indication information, the uplink information and the QOS indication information to base station
It is respectively used to the base station and obtains the current angle of arrival and QoS index of the terminal, so that the base station is according to the angle of arrival
Determine that currently transmitted mode is Single User MIMO sending mode or multiuser MIMO sending mode with the QoS index.
Wherein, about above-mentioned uplink information, above-mentioned QOS indication information, above-mentioned acquisition and the current arrival of above-mentioned terminal
The explanation at angle etc. can be with the explanation of corresponding portion in the embodiment of the present invention one, therefore details are not described herein again.
It is above-mentioned to base station send QOS indication information can be, Xiang Jizhan directly transmits QOS indication information, be also possible to
Base station sends the CSI for carrying QOS indication information, sends the CSI for carrying QOS indication information due to that can be compatible with existing 5G
NR equipment, thus the applicability of communication system can be improved.In addition, above-mentioned QOS indication information, which can be terminal, is receiving base
It stands after the CSI-RS sent, according to CSI-RS to the information of base station feedback.
In embodiments of the present invention, terminal sends uplink information and QOS indication information to base station, enable base station according to
The uplink information and the QOS indication information obtain the current angle of arrival and QoS index of the terminal, so that the base station root
Determine that currently transmitted mode is that Single User MIMO sending mode or multiuser MIMO are sent according to the angle of arrival and the QoS index
Mode is achieved even if base station has carried out dynamic adaptive adjustment according to the current location and present communications quality of terminal,
The influence of the real time position of train to the communication quality of the communication system under high-speed mobile scene can thus be reduced, improve communication
The stability of system, and then the balance between high transfer rate and system robustness is better achieved.
In the embodiment of the present invention, optionally, the QoS index includes at least one of: CQI, SINR, RSRP and
RSRQ。
Wherein, above-mentioned QoS index is not limited to aforementioned these cited indexs, is also possible to other related indexs,
It is not listed one by one herein.
Referring to FIG. 3, Fig. 3 is the terminal of the embodiment of the present invention three and the interaction flow schematic diagram of base station, schematic diagram tool
Body illustrates overall procedure of the terminal from being initially accessed to data communication phase, which includes:
Step 31: base station is initially accessed multi-beam, and sends analog beam to terminal and select reference signal；
Step 32: terminal selects reference signal according to the analog beam that base station is sent, and (sends) to base station feedback
First choice simulation TRP (total radiant power, Total Radiated Power) wave beam；
Step 33: base station sends SRS configuration information to terminal；
Step 34: the SRS configuration information that terminal is sent according to base station, to base station feedback SRS；
Step 35: the base station angle of arrival current according to the SRS estimation terminal that terminal is fed back, and angle of arrival is recorded in
In cache table；
Step 36: base station sends CSI-RS to terminal；
Step 37: the CSI-RS that terminal is sent according to base station carries CQI in CSI to base station feedback CSI；
Step 38: the CQI that base station is fed back according to the current angle of arrival of the terminal and terminal determines that currently transmitted mode is
Single User MIMO sending mode or multiuser MIMO sending mode；
Step 39: according to the current angle of arrival of the terminal, the CQI and default train trace information, to current
PMI is estimated, and PMI is currently estimated；And it is generated and described current to estimate PMI corresponding according to the PMI that currently estimates
Current beam forming vector；
Step 310: base station is to terminal transmission data.
Based on the same inventive concept, referring to FIG. 4, the embodiment of the present invention three also provides a kind of base station, comprising:
Receiver 41, for obtaining the current angle of arrival of terminal and service quality QoS index；
Processor 42, for determining that currently transmitted mode is Single User MIMO according to the angle of arrival and the QoS index
Sending mode or multiuser MIMO sending mode.
Base station in the embodiment of the present invention determines that currently transmitted mode is according to terminal current angle of arrival and QoS index
Single User MIMO sending mode or multiuser MIMO sending mode, the i.e. current location due to base station according to terminal and present communications
Quality has carried out dynamic adaptive adjustment to sending mode, it is thus possible to reduce the real time position of train to high-speed mobile scene
Under communication system communication quality influence, improve the stability of communication system, so be better achieved high transfer rate and
Balance between system robustness.
Base station in the embodiment of the present invention can be global system for mobile telecommunications (Global System of Mobile
Communication, abbreviation GSM) or CDMA (Code Division Multiple Access, abbreviation CDMA) in
Base station (Base Transceiver Station, abbreviation BTS), is also possible to wideband code division multiple access (Wideband Code
Division Multiple Access, abbreviation WCDMA) in base station (NodeB, abbreviation NB), can also be the evolution in LTE
Type base station (Evolutional Node B, abbreviation eNB or eNodeB) perhaps relay station or access point or future 5G network
In base station etc., do not limit herein.
In the embodiment of the present invention, optionally, the receiver 41 is also used to receive the uplink information that the terminal is sent, and
The current angle of arrival of the terminal is estimated according to the uplink information.
Wherein, above-mentioned uplink information can be SRS (Sounding Reference Signal, Sounding Reference
Signal), it is also possible to PUSCH (Physical Uplink Shared Channel, Physical Uplink Shared Channel) information, also
It can be demodulated reference signal DM-RS (demodulation reference signal) etc., in this regard, the embodiment of the present invention is not
It limits.When above-mentioned uplink information uses SRS, can achieve compatible existing 5G NR, (the 5th third-generation mobile communication technology is wirelessly connect
Enter, 5th-Generation New Radio) purpose of equipment.
In the embodiment of the present invention, optionally, the receiver 41 is also used to receive the QOS index letter that the terminal is sent
Breath.
Wherein, the QOS indication information that above-mentioned reception terminal is sent can be and directly receive the QOS index letter that terminal is sent
Breath is also possible to receive the CSI (channel state information, the Channel State that carry QOS indication information that terminal is sent
Information), it can achieve compatible existing 5G NR by receiving the CSI of carrying QOS indication information to obtain QOS index
The purpose of equipment improves the applicability of communication system.
In this way, feedback quantity is small since QOS indication information is numerical value, thus the QOS indication information sent by receiving terminal
It obtains QOS index and is more applicable for high-speed mobile scene.
In the embodiment of the present invention, optionally, the processor 42 is also used to be less than or equal to first in advance when the angle of arrival
If threshold value, and the QOS index is less than or equal to the second preset threshold, determines that currently transmitted mode is that Single User MIMO sends mould
Formula；Otherwise, it determines currently transmitted mode is multiuser MIMO sending mode.
In this way, when angle of arrival is less than or equal to the first preset threshold, and QOS index is less than or equal to the second preset threshold
When, farther out the data of terminal room (interference stronger) apart from base station, and communication quality is poor, is at this time determined as sending mode for terminal
Single User MIMO can be further reduced the interference of the data between each terminal, improve integrated communication quality；And when angle of arrival is greater than
When first preset threshold or QOS index are greater than the second preset threshold, terminal apart from base station it is relatively close (the data interference of terminal room compared with
It is weak) or communication quality it is preferable, at this time by sending mode be determined as multiuser MIMO can further lifting system population size,
And then the balance between high transfer rate and system robustness is better achieved.
In the embodiment of the present invention, optionally, the processor 42 be also used to according to the angle of arrival, the QOS index with
And default train trace information, current PMI is estimated, PMI is currently estimated；And it generates and is currently estimated with described
The corresponding current beam forming vector of PMI.
In this way, carrying out beam forming using the PMI that the PMI estimated rather than terminal are fed back, high-speed mobile field can be overcome
The problem of PMI of terminal feeds back not in time or postpones under scape, and then improve communication quality.
In the embodiment of the present invention, optionally, the QoS index includes at least one of: channel quality indicator (CQI), letter
Number and interference plus noise ratio SINR, Reference Signal Received Power RSRP and Reference Signal Received Quality RSRQ.
In the embodiment of the present invention, optionally, the processor is also used to estimate the PMI and K in advance according to K prestored
The efficacy parameter for estimating PMI generation is currently estimated PMI and is adjusted to described, and the K is the integer more than or equal to 1, the K
It is a estimate PMI be it is described currently estimate the PMI corresponding estimated time before, the terminal inscribed when based on K progress PMI is estimated
Resulting K are estimated PMI；And it generates and adjusted current estimates the corresponding current beam forming vector of PMI with described.
Referring to FIG. 5, the embodiment of the present invention four also provides a kind of terminal, comprising:
Transmitter 51, for referring to base station transmission uplink information and QOS indication information, the uplink information and the QOS
Mark information is respectively used to the base station and obtains the current angle of arrival and QoS index of the terminal, so that the base station is according to
Angle of arrival and the QoS index determine that currently transmitted mode is Single User MIMO sending mode or multiuser MIMO sending mode.
In embodiments of the present invention, terminal sends uplink information and QOS indication information to base station, enable base station according to
The uplink information and the QOS indication information obtain the current angle of arrival and QoS index of the terminal, so that the base station root
Determine that currently transmitted mode is that Single User MIMO sending mode or multiuser MIMO are sent according to the angle of arrival and the QoS index
Mode is achieved even if base station has carried out dynamic adaptive adjustment according to the current location and present communications quality of terminal,
The influence of the real time position of train to the communication quality of the communication system under high-speed mobile scene can thus be reduced, improve communication
The stability of system, and then the balance between high transfer rate and system robustness is better achieved.
Terminal in the embodiment of the present invention can be wireless terminal and be also possible to catv terminal, and wireless terminal can be directed to
User provides voice and/or the equipment of other business datum connectivity, handheld device or connection with wireless connecting function
To other processing equipments of radio modem.Wireless terminal can through wireless access network (Radio Access Network,
Abbreviation RAN) it is communicated with one or more core nets, wireless terminal can be mobile terminal, as mobile phone (or is
" honeycomb " phone) and computer with mobile terminal, for example, it may be portable, pocket, hand-held, built-in computer
Or vehicle-mounted mobile device, they exchange language and/or data with wireless access network.For example, personal communication service
(Personal Communication Service, abbreviation PCS) phone, wireless phone, Session initiation Protocol (Session
Initiation Protocol, abbreviation SIP) phone, wireless local loop (Wireless Local Loop, abbreviation WLL) stand,
The equipment such as personal digital assistant (Personal Digital Assistant, abbreviation PDA).Wireless terminal is referred to as
System, subscriber unit (Subscriber Unit), subscriber station (Subscriber Station), movement station (Mobile
Station), mobile station (Mobile), distant station (Remote Station), remote terminal (Remote Terminal), access
Terminal (Access Terminal), user terminal (User Terminal), user agent (User Agent), terminal (User
Device or User Equipment), it is not limited thereto.
In the embodiment of the present invention, optionally, the QoS index includes at least one of: CQI, SINR, RSRP and
RSRQ。
The embodiment of the present invention also provides a kind of base station, including memory, processor and is stored on the memory and can
The computer program run on the processor；The processor realizes base in any of the above-described embodiment when executing described program
Corresponding transmission mode of standing determines method.
The embodiment of the present invention also provides a kind of terminal, including memory, processor and is stored on the memory and can
The computer program run on the processor；The processor is realized in any of the above-described embodiment eventually when executing described program
Corresponding transmission mode is held to determine method.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
Realize that the corresponding transmission mode in the base station in any of the above-described embodiment determines the step in method when being executed by processor；Alternatively,
The program realizes that the corresponding transmission mode in base station in any of the above-described embodiment determines the step in method when being executed by processor.
Above-mentioned computer-readable medium includes permanent and non-permanent, removable and non-removable media can be by any
Method or technique come realize information store.Information can be computer readable instructions, data structure, the module of program or other numbers
According to.The example of the storage medium of computer includes, but are not limited to phase change memory (PRAM), static random access memory
(SRAM), dynamic random access memory (DRAM), other kinds of random access memory (RAM), read-only memory
(ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory techniques, CD-ROM are read-only
Memory (CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassettes, tape magnetic disk storage or
Other magnetic storage devices or any other non-transmission medium, can be used for storage can be accessed by a computing device information.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (14)
1. a kind of transmission mode determines method, it is applied to base station characterized by comprising
Obtain terminal current angle of arrival and service quality QoS index；
According to the angle of arrival and the QoS index, determine currently transmitted mode for single user multiple-input and multiple-output MIMO transmission
Mode or multiuser MIMO sending mode.
2. the method according to claim 1, wherein the step of obtaining terminal current angle of arrival, comprising:
The uplink information that the terminal is sent is received, and the current angle of arrival of the terminal is estimated according to the uplink information.
3. the method according to claim 1, wherein the step of obtaining terminal current QoS index includes:
Receive the QOS indication information that the terminal is sent.
4. the method according to claim 1, wherein being determined current according to the angle of arrival and the QoS index
The step of sending mode is Single User MIMO sending mode or multiuser MIMO sending mode, comprising:
When the angle of arrival be less than or equal to the first preset threshold, and the QOS index be less than or equal to the second preset threshold, really
Settled preceding sending mode is Single User MIMO sending mode；
Otherwise, it determines currently transmitted mode is multiuser MIMO sending mode.
5. the method according to claim 1, wherein the angle of arrival and QoS index current in the acquisition terminal
The step of after, further includes:
According to the angle of arrival, the QOS index and default train trace information, to current pre-coding matrix instruction PMI
It is estimated, is currently estimated PMI；
It generates and current estimates the corresponding current beam forming vector of PMI with described.
6. according to claim 1 to method described in 5 any one, which is characterized in that the QoS index include it is following at least it
One: channel quality indicator (CQI), Signal to Interference plus Noise Ratio SINR, Reference Signal Received Power RSRP and reference signal receive
Quality RSRQ.
7. a kind of transmission mode determines method, it is applied to terminal characterized by comprising
Uplink information and QOS indication information are sent to base station, the uplink information and the QOS indication information are respectively used to described
Base station obtains the current angle of arrival and QoS index of the terminal, so that the base station is according to the angle of arrival and the QoS index
Determine that currently transmitted mode is Single User MIMO sending mode or multiuser MIMO sending mode.
8. a kind of base station characterized by comprising
Receiver, for obtaining the current angle of arrival of terminal and service quality QoS index；
Processor, for determining that currently transmitted mode is that Single User MIMO sends mould according to the angle of arrival and the QoS index
Formula or multiuser MIMO sending mode.
9. base station according to claim 8, which is characterized in that the processor is also used to be less than or wait when the angle of arrival
In the first preset threshold, and the QOS index is less than or equal to the second preset threshold, determines that currently transmitted mode is single user
MIMO sending mode；Otherwise, it determines currently transmitted mode is multiuser MIMO sending mode.
10. base station according to claim 8, which is characterized in that the processor is also used to according to the angle of arrival, described
QOS index and default train trace information, estimate current PMI, are currently estimated PMI；And generate with it is described
Currently estimate the corresponding current beam forming vector of PMI.
11. a kind of terminal characterized by comprising
Transmitter, for sending uplink information and QOS indication information, the uplink information and the QOS indication information to base station
It is respectively used to the base station and obtains the current angle of arrival and QoS index of the terminal, so that the base station is according to the angle of arrival
Determine that currently transmitted mode is Single User MIMO sending mode or multiuser MIMO sending mode with the QoS index.
12. a kind of base station, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor is realized when executing described program as of any of claims 1-6
Transmission mode determines method.
13. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is characterized in that, the processor realizes that transmission mode as claimed in claim 7 is true when executing described program
Determine method.
14. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
Realize that transmission mode as claimed in any one of claims 1 to 6 determines the step in method when execution；Alternatively, the program is processed
Device realizes that transmission mode as claimed in claim 7 determines the step in method when executing.
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