CN109716848A - The LAA/Wi-Fi shared for 5GHz antenna coexists - Google Patents
The LAA/Wi-Fi shared for 5GHz antenna coexists Download PDFInfo
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- CN109716848A CN109716848A CN201780057767.XA CN201780057767A CN109716848A CN 109716848 A CN109716848 A CN 109716848A CN 201780057767 A CN201780057767 A CN 201780057767A CN 109716848 A CN109716848 A CN 109716848A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1215—Wireless traffic scheduling for collaboration of different radio technologies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/04—Scheduled access
- H04W74/06—Scheduled access using polling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
- H04W74/0816—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision avoidance
-
- 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)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
- Details Of Aerials (AREA)
Abstract
Wireless telecom equipment (UE) includes cellular processor, the cellular processor is configured as being carried out wireless communication according to the first radio access technologies (RAT) in the first frequency band and in the second frequency band, wherein the first RAT is honeycomb RAT, first band is in unlicensed spectrum, and second band is in licensed spectrum.In some embodiments, which includes WLAN (WLAN) processor, which is configured as being carried out wireless communication according to the 2nd RAT in the first frequency band.In some embodiments, the cellular processor and WLAN processor are configured to couple to community antenna for the communication in first band.In some embodiments, which can notify WLAN processor when it is being scanned and/or when it is assigned the auxiliary component carrier in first band.In some embodiments, which can notify cellular processor when it is being transmitted.In some embodiments, the WLAN processor and/or cellular processor may be in response to such notification to execute one or more movements to improve coexisting in first band.
Description
Technical field
This application involves wireless communications, and relate more specifically to communicate it using the Wi-Fi and LAA/LTE of shared antenna
Between coexist.
Description of Related Art
The use of wireless communication system is just in rapid growth.In recent years, wireless device such as smart phone peace
Plate computer has become the precision that becomes increasingly complex.Other than supporting telephone calling, many mobile devices are (that is, user apparatus now
Equipment or UE) also access of the offer to internet, Email, text message and the navigation using global positioning system (GPS),
And the application program of the complex precise using these functions can be operated.Additionally, there are multiple and different wireless communication techniques
And standard.Some examples of wireless communication standard include GSM, UMTS (WCDMA, TDS-CDMA), LTE, advanced LTE (LTE-A),
HSPA, 3GPP2 CDMA2000 (for example, 1xRTT, 1xEV-DO, HRPD, eHRPD), IEEE 802.11 (WLAN or Wi-Fi),
IEEE 802.16 (WiMAX), bluetoothTMEtc..
The ever-increasing feature and function of quantity are introduced in a wireless communication device to also create for improving wireless communication
And improve the constant demand of wireless telecom equipment.Specifically, it is important that ensure (such as logical by user apparatus (UE) equipment
Cross wireless device, such as cellular phone used in radio honeycomb communication, base station and relay station) emit and institute it is received
The accuracy of signal.In addition, significant pressure may be caused to the battery life of UE equipment by increasing the function of UE equipment.Cause
This, it is also quite significant that reduce UE equipment design in power demand, while allow UE equipment keep it is good transmitting and
Reception ability is to improve communication.
UE can be mobile phone or smart phone, portable gaming device, laptop computer, wearable device, PDA,
Tablet computer, portable Internet appliance, music player, data storage device or other handheld devices etc., can have
Multiple radio interface, radio interface make it possible to support by various wireless communication standards (LTE, LTE-A, Wi-Fi, bluetoothTM
Deng) a variety of radio access technologies (RAT) for defining.Radio interface can be used by various application programs, and the multiple
The presence of radio interface may need UE to realize that mobile scheme is come simultaneously on multiple radio interface (for example, in LTE/
LTE-A and bluetoothTMOn) seamlessly run end to end performance of the application program without influencing application program.That is, UE may need reality
Apply mobile scheme with and meanwhile operation correspond to a variety of RAT (for example, LTE/LTE-A, Wi-Fi, bluetoothTMDeng) multiple radio connect
Mouthful.
Other than above-mentioned communication standard, there is also the extensions for being intended to improve the transmission coverage area in certain cellular networks
Standard.For example, LTE (LTE-U) in unlicensed spectrum allow cellular carriers by emit in unlicensed 5GHz frequency band come
The covering of its cellular network is promoted, which is also used by many Wi-Fi equipments.Authorization assists access (LAA) to describe one kind
Similar technology, (agreement facilitates and other Wi- the contention protocols for being intended to by using referred to as listem-before-talk (LBT)
Fi coexistence is in the same frequency band) standardize the LTE operation in Wi-Fi frequency band.In some cases, both there is Wi-
When Fi signal has LAA/LTE-U signal again, honeycomb and Wi-Fi communication coexisting in identical frequency band may cause data
The deterioration of handling capacity and/or the performance decline for flowing transmission application (data stream transmitting).In addition, with the bee that is carried out in licensed band
Nest communication is compared, the power consumption that the cellular communication carried out in unlicensed band usually needs to increase.
Summary of the invention
There is shown herein the embodiments for the technology for using the Wi-Fi and LAA of community antenna to coexist.
In some embodiments, a kind of device includes: cellular processor, which is configured as in the first frequency
Band is neutralized and is carried out wireless communication in the second frequency band according to the first radio access technologies (RAT), wherein the first RAT is honeycomb
RAT, first band is in unlicensed spectrum (for example, in 5GHz frequency band), and second band is in licensed spectrum.Some
In embodiment, the first RAT is honeycomb RAT, such as LTE.In some embodiments, which includes WLAN
(WLAN) processor, the WLAN processor are configured as being carried out wireless communication according to the 2nd RAT in the first frequency band.In some realities
It applies in scheme, cellular processor and WLAN processor are configured to couple to community antenna for the communication in first band.
In some embodiments, WLAN processor is configured as by carrying out via antenna in the WLAN processor
Cellular processor is notified when transmission to indicate that one or more send is spaced.In some embodiments, cellular processor is matched
Be set to one or more duration of transmission intercal based on one or more determine whether request (for example, from base station) via
The deactivation of the communication of first band.
In some embodiments, cellular processor be configured to respond to cellular base station by one in first band or
Multiple auxiliary component carriers distribute to cellular processor to send message to WLAN processor.The message can be listed one or more auxiliary
Component carrier.Similar message can be used to indicate to execute it one or more auxiliary component carriers of measurement in cellular processor
(for example, carrier wave from other adjacent base stations).In some embodiments, which includes that the auxiliary component in first band carries
The list of wave.In some embodiments, WLAN processor is configured as avoiding some in indicated auxiliary component carrier
Transmission (for example, cancelling or postpone scheduled transmission) in auxiliary component carrier.In some embodiments, in response to the message,
WLAN processor is configured as forbidding sending to the detection of the wireless access point in first band confirming.In some embodiment party
In case, WLAN processor is configured to respond to the message to reduce the active scan rate in first band.In some implementations
In scheme, WLAN processor, which is configured to respond to the message, to be come using media access control protocol data unit (AMPDU)
Increase polymerization and/or comes in response to the message using WMM.
In some embodiments, cellular processor is configured as when the sweep spacing of cellular processor in the first frequency band
Period notifies WLAN processor when executing scanning.In some embodiments, WLAN processor was configured as in the sweep spacing phase
Between cancel or postpone the transmission of one or more scheduling.In some embodiments, in response to not postponing one in the interim
The determination of a or multiple transmission, WLAN processor are configured as notice cellular processor WLAN processor and pass in the interim
It is defeated.In some embodiments, the notice transmitted in response to WLAN processor in the interim, cellular processor are configured as
Ignore the one or more scanning surveys carried out in the interim of WLAN processor transmission.
It may be noted that technique described herein can be implemented in the equipment of multiple and different types and/or by skill described herein
Art is used together with the equipment of multiple and different types, and multiple different types of equipment includes but is not limited to base station, access point, bee
Cellular telephone, portable media player, tablet computer, wearable device and various other calculating equipment.
The content of present invention is intended to provide some brief overviews in described theme in the document.Then, should
Understand, features described above is merely illustrative, and should not be construed as the range or reality of constriction subject matter described herein in any way
Matter.Other features, aspects and advantages of subject matter described herein will pass through following specific embodiments, drawings and claims
Book and become apparent.
Detailed description of the invention
Fig. 1 instantiates exemplary (and simplification) wireless communication system according to some embodiments.
Fig. 2 shows the exemplary bases that communicate with exemplary wireless subscriber device (UE) equipment according to some embodiments
It stands.
Fig. 3 instantiates the exemplary block diagram of the UE according to some embodiments.
Fig. 4 shows the exemplary block diagram of the base station according to some embodiments.
Fig. 5 shows the example wireless communications according to some embodiments.
Fig. 6 shows a kind of example communication system, and plurality of different equipment can be used Wi-Fi all in special frequency band
As communicated with one another on 2.4GHz and/or 5GHz frequency band.
Fig. 7 shows the example according to the typical LAA of some embodiments control and data dispatch.
Fig. 8 is the frame of the exemplary communication interface between MWS the and Wi-Fi processor shown according to some embodiments
Figure.
Fig. 9-11 is the communication of the exemplary communication between the Wi-Fi and cellular processor shown according to some embodiments
Figure.
Figure 12 A and 12B are shown according to some embodiments for determining whether Wi-Fi transmission causes triggering to interrupt threshold
The flow chart of the example process of value.
Figure 13 is the traffic diagram for the example process using IDC instruction shown according to some embodiments.
Figure 14-16 is the flow chart for the example technique using co-existence information shown according to some embodiments.
Figure 17 A and 17B are the figures for showing the computer readable media according to some embodiments.
Although influence of the feature as described herein vulnerable to various modifications and alternate forms, specific embodiment is in attached drawing
In show and be described in detail herein by way of example.It will be appreciated, however, that attached drawing and detailed description are not purport
Disclosed concrete form is being limited the invention to, and antithesis, its object is to cover to fall in such as by appended claims
All modifications, equivalent and alternative arrangement in the spirit and scope of theme defined by book.
Specific embodiment
Acronym
Use various acronyms in the whole text in this application.What is be likely to occur in the whole text in this application is the most outstanding
Acronym used is defined as follows:
ACK: confirmation
APR: application processor
BS: base station
BSR: buffer size report
CC: component carrier
CMR: change mode request
CQI: channel quality indicator
DL: downlink (from BS to UE)
DYN: dynamic
FDD: frequency division duplex
FT: frame type
GPRS: General Packet Radio Service
GSM: global system for mobile communications
HARQ: hybrid automatic repeat-request
IE: information element
LAN: local area network
LBT: listem-before-talk
LTE: long term evolution
LTE U: the LTE in unlicensed spectrum
LAA: authorization auxiliary access
MAC: media access control
NACK: the confirmation of negative
PCell: main plot
PDCCH: physical downlink control channel
PDSCH: physical down link sharing channel
PDN: Packet Data Network
PDU: protocol Data Unit
PUCCH: physical uplink control channel
QoS: service quality
RAT: radio access technologies
RF: radio frequency
RTP: real-time transport protocol
RX: it receives
SCell: boosting battery
TBS: transport block size
TDD: time division duplex
TTI: Transmission Time Interval
TX: transmission
UCI: uplink control information
UE: user apparatus (equipment)
UL: uplink (from UE to BS)
UMTS: Universal Mobile Telecommunications System
VoLTE:LTE voice
WLAN: WLAN
Wi-Fi: WLAN (WLAN) RAT of 802.11 standard of Institute of Electrical and Electric Engineers (IEEE)
Term
It is the nomenclature for the term that will appear in the application below:
Storage mediumAny one of various types of memory devices or storage equipment.Term " storage medium "
It is intended to include install medium, such as CD-ROM, floppy disk or tape unit；Computer system memory or random access memory are all
Such as DRAM, DDR RAM, SRAM, EDO RAM, Rambus RAM；Nonvolatile memory such as flash memory, magnetic medium, for example,
Hard disk drive or optical storage apparatus；Register or the memory component of other similar type etc..Storage medium can also wrap
Include other kinds of memory or their combination.In addition, storage medium can be located at the first computer system for executing program
In, or can be located at and be connected in the different second computer systems of first computer system by network such as internet.
In example below, second computer system can provide program instruction to first computer system for executing.Term " storage
Device medium " may include can reside in for example by the different location in the different computer systems of network connection two or more
A storage medium.
Mounting mediumStorage medium as described above and physical transmission medium such as bus, network and/or transmission letter
Other physical transmission mediums of number such as electric signal, electromagnetic signal or digital signal.
Computer system (or computer)Any one of various types of computing systems or processing system, including individual
Computer system (PC), large computer system, work station, network appliance, Internet appliances, personal digital assistant (PDA), electricity
The combination of viewing system, raster symbol-base system or other equipment or equipment.In general, term " computer system " can broadly by
It is defined as comprising any equipment (or group of equipment at least one processor for executing the instruction from storage medium
It closes).
User apparatus (UE) (or " UE equipment ")Various types of meters that are mobile or portable and executing wireless communication
Any one of calculation machine system equipment.Also referred to as wireless telecom equipment.The example of UE equipment includes mobile phone or smart phone
(for example, iPhoneTM, be based on AndroidTMPhone) and tablet computer, such as iPadTM、Samsung GalaxyTMDeng, it is portable
Formula game station is (for example, Nintendo DSTM、PlayStation PortableTM、Gameboy AdvanceTM、iPodTM)、
Laptop computer, wearable device are (for example, Apple WatchTM、Google GlassTM), PDA, portable Internet appliance,
Music player, data storage device or other handheld devices etc..If they include Wi-Fi or honeycomb and two kinds of Wi-Fi
Communication capacity and/or other wireless communication abilities, for example, passing through such as bluetoothTMDeng short range radio access technology (SRAT),
The equipment of various other types can be fallen in this classification.In general, term " UE " or " UE equipment " can broadly be defined to contain
Lid is easy to transport and be able to carry out any electronics of wireless communication, calculating and/or telecommunication apparatus (or combination of equipment) by user.
Base station (BS)Term " base station " has the full scope of its ordinary meaning, and includes at least and be installed in fixation
The wireless communications station communicated at position and for a part as radio telephone system or radio system.
Processing elementRefer to the various of the function being able to carry out in equipment such as user equipment device or cellular network device
Component or component group is closed.Processing element may include for example: processor and associated memory, independent processor core
Part or circuit, entire processor core, processor array, circuit such as ASIC (specific integrated circuit), programmable hardware element
Any one of part such as field programmable gate array (FPGA) and the above various combinations.
Wireless device (or wireless telecom equipment)Channel radio is executed using WLAN communication, SRAT communication, Wi-Fi communication etc.
Any one of various types of computer system devices of letter.As used herein, term " wireless device " can refer to institute above
The UE equipment or fixed equipment of definition such as fixed wireless client or wireless base station.For example, wireless device can be it is any
The radio station of 802.11 systems of type, such as access point (AP) or client site (UE) or any kind of according to honeycomb
The radio station of the cellular communication system of radio access technologies (for example, LTE, CDMA, GSM) communication, such as such as base station or bee
Cellular telephone.
Wi-FiTerm " Wi-Fi " have its ordinary meaning full scope, and include at least cordless communication network or
RAT provides service by Wireless LAN (WLAN) access point and is provided to the connectivity of internet by these access points.Mostly
Number modern times Wi-Fi network (or wlan network) is based on 802.11 standard of IEEE, and is appeared on the market with the name of " Wi-Fi ".Wi-Fi
(WLAN) network is different from cellular network.
AutomaticallyRefer to by computer system (for example, by computer system execute software) or equipment (for example, circuit, can
Programming hardware element, ASIC etc.) executed in the case where user's input without directly specified or execution movement or operation it is dynamic
Make or operates.Therefore, term " automatic " is manually performed with user or specified operation is contrasted, and wherein user provides input to directly
It connects and executes the operation.Automated procedure can input provided by user to initiate, but the subsequent action of " automatic " execution be not by
What user specified, that is, be not " manual " execution, wherein user specifies each movement to be executed.For example, user passes through selection
Each field simultaneously provides input specify information (for example, by keying in information, selection check box, radio unit selection etc.) to fill out
Writing electrical form is to fill in the table manually, even if computer system is responsive to user action to update the table.The table
Lattice can be by computer system Auto-writing, and wherein computer system (for example, the software executed on the computer systems) is analyzed
The field of table simultaneously fills in the table, and the answer of specific field is inputted without any user.As indicated above, Yong Huke
Quote the Auto-writing of table, but be not involved in the actually filling out of table (for example, user do not have to the answer of manual specific field but
They are performed automatically).The various of operation executed automatically present description provides the movement taken in response to user are shown
Example.
It is configured asVarious parts can be described as " being configured as " and execute one or more tasks.In such context
In, " being configured as " is the wide in range statement for typicallying represent " having " and executing one or more tasks " structure " during operation.
Even if the device, which also can be configured as, executes the task (for example, one group of electricity as a result, when the device is currently without the task of execution
Conductor can be configured to for module to be electrically connected to another module, even if when the two modules are not connected).In some contexts
In, " being configured as " can be the structure for typicallying represent " circuit " that " having " executes one or more tasks during operation
Wide in range statement.Even if the device may be alternatively configured as execution task as a result, in the device current access failure.In general, formed with
The circuit of " being configured as " corresponding structure may include hardware circuit.
For ease of description, various devices can be described as executing one or more tasks.Such description should be explained
Being includes phrase " being configured as ".The component that statement is configured as executing one or more tasks is clearly intended to the component not
Quote the explanation of the 6th section of 35 U.S.C. § 112.
Fig. 1 and Fig. 2-example communication system
Fig. 1 instantiates exemplary (and simplification) wireless communication system according to some embodiments.It may be noted that Fig. 1
System is only an example of possible system, and embodiment can be embodied in any one of various systems as needed
In.
As shown, example wireless communications include base station 102, which passes through transmission medium and one or more
User equipment 106-1 to 106-N is communicated.Herein, each of user equipment user equipment can be known as " user
Equipment " or UE equipment.Therefore, user equipment 106 is referred to as UE or UE equipment.Each UE equipment in UE equipment can be according to herein
The technology of detailed description is operated.
Base station 102 can be base transceiver stations (BTS) or cell site, and may include realizing and UE 106A to 106N
The hardware carried out wireless communication.Base station 102 can also be equipped to network 100 (for example, the core net of cellular service provider,
Telecommunication network such as public switch telephone network (PSTN), and/or internet and various possibilities) it is communicated.Therefore, base
It stands and 102 can promote communication between user equipment and/or between user equipment and network 100.Base station communication zone (or covering
Region) it is referred to alternatively as " cell ".It is same as used herein, for UE, sometimes in the uplink and downlink chain for considering UE
In the case that road communicates, base station can be considered indicating network.Therefore, the UE with one or more base station communications in network can also
To be interpreted the UE with network communication.
Base station 102 and user equipment can be configured as by using any in various radio access technologies (RAT)
The transmission medium of kind is communicated, and radio access technologies (RAT) are also referred to as wireless communication technique or telecommunication standard, such as
GSM, UMTS (WCDMA), LTE, LTE-Advanced (LTE-A), LAA/LTE-U, 3GPP2CDMA2000 (for example, 1xRTT,
1xEV-DO, HRPD, eHRPD), Wi-Fi, WiMAX etc..In some embodiments, base station 102 utilizes improved UL (uplink
Road) and DL (downlink) decoupling, preferably by LTE or similar RAT standard, at least one UE communication.
UE 106 is able to use multiple wireless communication standards and is communicated.For example, UE 106 can be configured to using 3GPP
Cellular standards (such as LTE) and/or 3GPP2 cellular standards are (in the cellular standards of such as CDMA2000 series
Cellular standards) any one of or two kinds of cellular standards communicated.In some embodiments, UE 106 can
It is configured as according at least to various methods described herein in receiver front end with reduced power consumption operation.According to identical or different
The base station 102 that is operated of cellular standards and other similar base station therefore be provided as one or more cell networks
Network, the one or more subzone network can via one or more cellular standards on wide geographic area to UE 106
Continuous or approximate continuous Overlay Service is provided with similar equipment.
UE 106 is also configured to or is configured with WLAN, BLUETOOTH as substitutionTM, it is one or more complete
Ball navigational satellite system (GNSS, such as GPS or GLONASS), one and/or multiple mobile TV broadcast standards (for example,
ATSC-M/H or DVB-H) etc. communicated.Other combinations (including more than two wireless communication standards) of wireless communication standard
It is also possible.
Fig. 2 shows according to the illustrative user device 106 of some embodiments communicated with base station 102 (for example, equipment
One of 106-1 to 106-N).UE 106 can be the equipment with wireless network connectivity, and such as mobile phone hand-held is set
Standby, computer or tablet computer or essentially any type of wireless device.UE 106 may include being configured as executing being stored in
The processor of program instruction in memory.UE 106 can execute method described herein by executing the instruction of such storage
Any one of embodiment.Alternatively or in addition to this, UE 106 may include programmable hardware element, such as be configured as holding
Any portion of any one of row method described herein embodiment or any one of method described herein embodiment
The FPGA (field programmable gate array) divided.UE 106 can be configured to lead to using any of multiple wireless communication protocols
Letter.For example, UE 106 can be configured to using in CDMA 2000, LTE, LTE-A, WLAN or GNSS two or more come
Communication.Other combinations of wireless communication standard are also possible.
UE 106 may include for being led to using one or more wireless communication protocols according to one or more RAT standards
One or more antennas of letter.In some embodiments, UE 106 can share reception chain between multiple wireless communication standards
The one or more parts in transmitting chain and/or.Shared radio unit may include individual antenna, or may include for holding
The mutiple antennas (for example, for MIMO) of row wireless communication.Alternatively, UE 106 is directed to and is configured as being led to using it
Each wireless communication protocol of letter and may include independent transmitting chain and/or reception chain (e.g., including independent antenna and other
Radio unit).As another alternate forms, UE 106 may include one or more shared between multiple wireless communication protocols
A radio unit, and the one or more radio units uniquely used by single wireless communication agreement.For example, UE
106 be may include shared radio unit for being communicated using any one in LTE or CDMA2000 1xRTT and be used for
Utilize Wi-Fi and bluetoothTMMiddle each the separate radio component communicated.Other configurations are also possible.
The block diagram of the exemplary UE of Fig. 3-
Fig. 3 shows the block diagram of the exemplary UE 106 according to some embodiments.As shown, UE 106 may include piece
Upper system (SOC) 300, may include part for numerous purposes.For example, as shown, SOC 300 may include executable use
It is shown in the one or more processors 302 of the program instruction of UE 106 and executable graphics process and to the offer of display 360
Show the display circuit 304 of signal.One or more processors 302 may also be coupled to memory management unit (MMU) 340, this is deposited
Reservoir administrative unit can be configured to receive address from one or more processors 302 and by those address conversions at memory
Position and/or other circuits in (such as memory 306, read-only memory (ROM) 351, NAND-flash memory 310) are set
It is standby, such as display circuit 304, radio unit 330, connector I/F 320 and/or display 360.MMU 340 can be matched
It is set to and executes memory protection and page table conversion or setting.In some embodiments, MMU 340 can be included as one or
A part of multiple processors 302.
As shown, SOC 300 can be couple to various other circuits of UE 106.For example, UE 106 may include various types of
It is the memory (e.g., including nand flash memory 310) of type, connector interface 320 (for example, for being coupled to computer system), aobvious
Show device 360 and radio communication circuit (for example, for LTE, LTE-A, CDMA2000, bluetoothTM, Wi-Fi, GPS etc.).Ue equipment
106 may include at least one antenna (such as 335a), and may include mutiple antennas (such as by antenna 335a and 335b institute
Show), to be wirelessly communicated for executing with base station and/or other equipment.Antenna 335a and 335b are illustrated by way of example, and UE
Equipment 106 may include less or more antenna.Generally speaking, which is referred to as one or more antennas
335.For example, one or more antennas 335 can be used to carry out wireless communication by radio circuit 330 in UE equipment 106.Such as
Upper described, in some embodiments, UE can be configured to carry out wireless communication using multiple wireless communication standards.
The one or more processors 302 of UE equipment 106 can be configured to realize a part or complete of methods described herein
Portion, such as referred to by executing the program being stored on storage medium (for example, non-transient computer readable memory medium)
It enables.In other embodiments, one or more processors 302 can be configured as programmable hardware element, and such as FPGA is (existing
Field programmable gate array) or as ASIC (specific integrated circuit).In addition, according to various embodiments disclosed herein, place
Reason device 302 can be couple to and/or can interoperate with other component shown in Fig. 3, logical to implement to be carried out by UE 106
Letter, in conjunction with the potential effect that the LAA/LTE for the wireless communication for alleviating UE 106 is unbalance.In particular, processor 302 can coupling
It is connected to other assemblies as shown in Figure 3 and/or can interoperate with it, seek the LAA of minimum UE 106 to promote UE 106
Unbalanced mode between LTE communication is communicated.One or more processors 302 can also be achieved various other using journey
Sequence and/or the end-user application run on UE 106.
In some embodiments, radio unit 330 includes being exclusively used in controlling communication for various corresponding RAT standards
Independent control.For example, as shown in figure 3, radio unit 330 may include Wi-Fi controller 350, Cell Controllers (such as
LTE/3GPP controller) 352 and BLUETOOTHTMController 354, and at least some embodiments, in these controllers
One or more controllers or whole controller can be implemented as corresponding integrated circuit (referred to as IC or chip), these
Integrated circuit communicates with one another, and communicates with SOC 300 (more particularly with one or more processors 302).For example, Wi-
Fi controller 350 can be communicated by cell-ISM link or WCI interface with Cell Controllers 352, and/or
BLUETOOTHTMController 354 can be communicated by cell-ISM link etc. with Cell Controllers 352.Although in radio unit
Three independent controllers are shown in 330, but are can be achieved in UE equipment 106 with for the less of various difference RAT or more
Other embodiments of multiple similar control devices.
Fig. 4-exemplary base block diagram
Fig. 4 shows the block diagram of the exemplary base 102 according to some embodiments.It may be noted that the base station of Fig. 4 is only can
One example of the base station of energy.As shown, base station 102 may include one of the executable program instruction for base station 102 or
Multiple processors 404.One or more processors 404 are also coupled to memory management unit (MMU) 440, and (MMU can be matched
Be set to from one or more processors 404 receive address and by those addresses be converted into memory (for example, memory 460 and only
Read memory (ROM) 450) in position), or be couple to other circuits or equipment.
Base station 102 may include at least one network port 470.The network port 470 can be configured to be couple to telephone network, and
The multiple equipment such as UE equipment 106 of telephone network of the access as described in above in fig. 1 and 2 is provided.The network port 470 (or
The additional network port) it is also configured to or is alternatively configured to couple to cellular network, for example, cellular service provider
Core net.Core net can provide service relevant to mobility and/or other services to multiple equipment such as UE equipment 106.
In some cases, the network port 470 can be couple to telephone network via core net and/or core net can provide telephone network
(for example, in other UE equipment serviced by cellular service provider).
Base station 102 may include at least one antenna 434 and possible mutiple antennas.At least one antenna 434 can be matched
It is set to and operates and can be further configured to carry out via radio unit 430 and UE equipment 106 as wireless transceiver
Communication.Antenna 434 is communicated via communication chain 432 with radio unit 430.Communication chain 432 can be reception chain, transmitting chain
Or both.Radio unit 430 can be designed to communicate via various aerogram standards, and aerogram standard includes but not
It is limited to LTE, LTE-A, WCDMA, CDMA2000 etc..The processor 404 of base station 102 can be configured as example by executing storage
The program instruction stored on device medium (for example, non-transient computer readable memory medium), implements the portion of methods described herein
Divide or all, is communicated for base station 102 with UE equipment, which is able to detect by between the UE equipment LAA executed and LTE communication
It is unbalance, and make adjust it is such unbalance to solve.Alternatively, it is all can be configured as programmable hardware element for processor 404
Such as FPGA (field programmable gate array) or as ASIC (specific integrated circuit) or their combination.Certain RAT (such as
Wi-Fi in the case where), base station 102 can be designed as access point (AP), and in this case, the network port 470 can be implemented
To provide the access to wide area network and/or one or more local area network, such as it may include at least one ethernet port, and
Radio unit 430 can be designed as being communicated according to Wi-Fi standard.It base station 102 can be according to disclosed herein each
Kind method work, for being able to detect mobile device communication unbalance between LAA the and LTE cellular radio Communication of mobile device
And its radio operation is adjusted accordingly in where applicable.
Fig. 5-example communication system
Fig. 5 shows the example wireless communications 500 according to some embodiments.System 500 is to realize LTE access
The system of network and Wi-Fi Radio Access Network.System 500 may include UE 106 and LTE network 504 and Wi-Fi network
506。
LTE access network 504 represents some embodiments of the first RAT access, and Wi-Fi access network 506 represents
Some embodiments of 2nd RAT access.LTE access network 504 can with wider array of cellular network (for example, LTE network) into
Row interaction, and Wi-Fi access network 506 can be interacted with internet 514.More particularly, LTE accesses network 504
It can be interacted with serving BS (BS) 508, which then can provide the access to wider array of cellular network 516.Wi-Fi
Access network 506 can be interacted with access point (AP), which can then provide the access to internet 514.UE
106 correspondingly can access internet 514 via AP 510, and access 504 cellular network service 516 of network via LTE.One
In a little embodiments, although being not shown, UE 106 can also access network 504 via LTE and access internet 514.More specifically
Say that LTE access network 504 can be interacted with gateway, which then can be with packet data network (PDN) net in ground
Pass interacts.PDN Gateway can be interacted then with internet 514.Therefore, UE 106 can be accessed correspondingly via LTE
Network 504 and Wi-Fi access one or both of network 506 to access internet 514.
Fig. 6-has the example communication system of multiple Wi-Fi equipments
Fig. 6 shows example communication system, and plurality of distinct device can be used Wi-Fi RAT all by special frequency band
It communicates with one another such as 2.4GHz and/or 5GHz frequency band.Equipment with 5GHz Wi-Fi (IEEE 802.11ac/n) may become
It is quite universal, it operates in ad-hoc mode and/or station mode, as shown in Figure 6.Number on special frequency band (for example, 5GHz frequency band)
According to communication, it may include voice, video, in real time and the discharge pattern done one's best.The equipment of illustration includes camera (111), plate
Computer (113), media server/micro server (115), portable computer (105,117), access interface/router
(103), game console (119), the mobile device of such as smart phone (107) and intelligent surveillance device (121) or have nothing
The monitor of line access interface (121 and 123 together).As shown in fig. 6, many equipment can use Wi-Fi by 5GHz frequency band
Communication technology communication.In some cases, the Wi-Fi communication that equipment carries out may be by the LAA/ also occurred on 5GHz frequency band
The influence of LTE-U communication.
The presence of LAA/LTE-U signal
In LTE, carrier wave polymerization (CA) refers to that two or more component carriers (CC) are polymerize, broader to support
Transmission bandwidth, such as the bandwidth of up to 100MHz.According to the ability of UE, which can receive or send out simultaneously on one or more CC
It penetrates.When being configured to CA, UE can keep connecting with a kind of RRC of network.The serving cell for managing the RRC connection of UE is referred to as
Main plot (PCell), and secondary cell (SCell) can be formed together one group of serving cell with PCell.It, can be via in CA
PDCCH on multiple serving cells comes while dispatching UE.Cross-carrier scheduling using multi-carrier indicator field (CIF) allows to service
The PDCCH of cell dispatches the resource on another serving cell.That is, the UE for receiving downlink distribution on a CC can
Associated data are received on another CC.
LAA (access of authorization auxiliary) is the subclass of LTE intralband carrier aggregation, and wherein one of subcarrier is in 5GHz
Unlicensed band in work, can also be occurred on the frequency band according to the communication of another RAT (such as Wi-Fi).In LAA carrier wave
Resource by with conventional carrier polymerize scheduling resource in (CA) it is identical in a manner of be scheduled.That is, being directed to the carrier wave tune of LAA carrier wave
Degree and/or cross-layer scheduling are identical for other CA carrier waves (PDCCH or ePDCCH).LAA Scell can be by 20
It works in the frame structure 3 that time slot is constituted, and can be accessed after successful listem-before-talk (LBT) process.Fig. 7 shows allusion quotation
The example of type LAA control and data dispatch dispatches (201) for identical carrier wave and provides respective examples, and is cross-carrier scheduling
(251) respective examples are provided, it is assumed that LBT process has been successfully completed in previous subframe.If the initial position of RRC subframe refers to
Show " s07 ", and do not receive DCI in time slot 1, UE can read the PDCC/ePDCCH of time slot 2 to check down link data
Availability.
Use unlicensed spectrum and LAA
It is expected that 2015 to 2020 between cellular traffic will exponentially increase.For example, prediction mobile data flow can be from
Monthly 3.7 trillion bytes or EB (~3.7*10 in 201518Byte) rise to the monthly 30.6EB of the year two thousand twenty.However, being permitted
Can frequency spectrum be considered as interfere operator's extended network capacity main bottleneck.In newest Advanced Wireless Services (AWS) -3/79
During spectrum auction, US carrier takes up to 44,900,000,000 dollars on 65MHz frequency spectrum.5GHz on other frequency bands is not permitted
Can frequency band indicate auction cost be zero up to 500MHz available bandwidth.Therefore, LAA indicates at least one suitable for solving this
The method of identical spectrum issue.
The example technique coexisted between LAA and Wi-Fi for using shared antenna
Fig. 8 is to show showing for the equipment 800 including mobile radio system (MWS) equipment 810 and Wi-Fi controller 820
The block diagram of example property part.In some embodiments, MWS equipment 810 corresponds to Cell Controllers 352, and Wi-Fi controller
820 correspond to Wi-Fi controller 350.In the embodiment illustrated, equipment 800 further includes that (it can be right for Wi-Fi host 830
Should be in processor 302) and bus hardware 840 and 842.MWS equipment 810 is referred to as cellular processor.
In the illustrated embodiment, MWS equipment 810 is configured as communicating via host interface 835 with Wi-Fi host 830,
Any agreement in the various agreements of such as PCIe etc can be used to realize for host interface 835.In the illustrated embodiment,
Wi-Fi controller 820 is configured as communicating via host interconnection interface (HCI) 885 with Wi-Fi host 830.In shown embodiment party
In case, MWS equipment 810 and Wi-Fi controller 820, which are configured as transmission interface 845 coexists via MWS, to communicate with one another.Some
In embodiment, which uses wireless coexistence interface (WCI) -2 agreement, but in other embodiments, it can be achieved that such as
Any interface in the various interfaces of general purpose I/O (GPIO) or other interfaces is used for similar communication.
In some embodiment party's cases, MWS equipment 810 and Wi-Fi controller 820 are shared in 5GHz frequency band and are respectively used to
The antenna of LAA and Wi-Fi transmission.Therefore, in some embodiments, MWS equipment 810 and Wi-Fi controller 820 are configured as
Communication is carried out via interface 845 and is taken action based on various signals to reduce the interference in transmission.In other embodiments
In, the interference between the honeycomb that similar technology can be used for reducing in same frequency band and the different antennae of Wi-Fi communication.
In various embodiments, cellular processor and Wi-Fi processor can be real on different chips or integrated circuit
It is existing, or realized on same chip or integrated circuit.In some embodiments, single processor realize cellular processor and
Wi-Fi processor, for example, by executing for Wi-Fi and cellular different control programs.Special circuit, processing elements can be used
Part, programmable hardware element etc. realize the part of each processor.The disclosure is intended to cover all such embodiments etc..
In some embodiments, honeycomb DL transmission is executed in LAA frequency band, and executes all honeycombs using licensed band
UL transmission.In some embodiments, Wi-Fi is executed in 5GHz frequency band using shared antenna to send and receive.In addition, such as
The various elements of duplexer, low-noise amplifier, bandpass filter etc. can be shared between Wi-Fi and LAA communication by UE.Each
In kind embodiment, switching antenna can be related to switching Wi-Fi controller or whether Cell Controllers are used these and add altogether
Enjoy element.
Fig. 9 be show the eNB 930 (for example, cellular base station) according to some embodiments, UE-LTE module 910 (for example,
Such as cellular processor of MWS equipment 810), UE-Wi-Fi module 920 (for example, Wi-Fi processor) and application processor 940
Between exemplary communication signaling diagram.
In the illustrated embodiment, eNB 930 is configured as via the principal component carrier wave (PCC) in licensed band and is not permitted
Can the LAA auxiliary component carrier (SCC) in frequency band (including 5GHz frequency band) communicated.It in some systems, can be according to the reality of Fig. 4
Scheme is applied to realize eNB 930.
In the illustrated embodiment, UE-LTE 910 is configured as communicating via PCC and LAA-SCC with eNB 930, and
It is configured as communicating via WCI-2 945 with UE-Wi-Fi 920.UE-LTE 910 is additionally configured in the illustrated embodiment
Such as it is communicated via PCIe interface with application processor 940.In the illustrated embodiment, UE-WI-FI 920 is additionally configured to make
It is communicated, and is configured as via PCIe/ with one or more wireless access point with one or more 5GHz component carriers (CC)
HCI interface is communicated with application processor 940.The signaling in Fig. 9-Figure 11 is shown for illustrative purposes, but in other realities
It applies in scheme, the sequence etc. of the type, the type of interface, message of message can be different.
In the illustrated embodiment, eNB 930 and UE-LTE 910 execution RRC reconfigures auxiliary small to add LAA for UE
Area (SCell).Then, UE-LTE 910 will be sent to application processor 940 with the instruction of the host of LAA SCC list, apply
LAA channel list is routed to UE-Wi-Fi 920 by processor 940.In other embodiments, UE-LTE 910 can believe LAA
Road list is sent directly to UE-Wi-Fi 920 rather than passes through application processor.In some embodiments, LAA channel list
Including the channel that eNB 930 is configured with, but these channels may or may not be assigned to UE.
In some embodiments, it is based on the list, UE-Wi-Fi 920 is configured as avoiding can be in UE-LTE 910
Operation in the 5GHz channel (for example, channel in list) used.In some embodiments, LAA has the transmission opportunity of 8ms
(TXOP), therefore this can prevent Wi-Fi from transmitting the interference between LAA reception.
In some embodiments, if UE-Wi-Fi 920 is executed in the channel for being used in LAA by eNB 930 really
Transmission (for example, for equity arrive at a station/ap mode), then UE-Wi-Fi920 is configured with Wi-Fi multimedia (WMM) frame
It polymerize (the technology usually quilt to carry out the highest of Service Quality Management and media access control (MAC) protocol Data Unit (PDU)
Referred to as AMPDU).This can help by Wi-Fi transmit be grouped into similar to 8ms LAA TXOP interval time interval (for example,~
5-8ms Wi-Fi transmission block), this can be reduced again to the received interference of LAA via shared antenna.
Referring again to FIGS. 9, being used in combination, shared antenna executes Reference Signal Received Power (RSRP), reference signal receives matter
It measures (RSRQ) and/or receives signal indicator (RSSI) and determine, UE-LTE 910 sends MWS_SCAN_ON to UE-Wi-Fi 920
Message after the completion of scanning, will follow MWS_SCAN_OFF message.In some embodiments, these measurements can be used for adjacent small
Area, and can be executed under the request of eNB 930.As shown, there may be 20-200us's by WCI-2 for these message
Propagation delay.As shown, then, identified scanning survey can be reported that, to eNB 930, eNB 930 is right by UE-LTE 910
MAC control element (CE) can be transmitted afterwards and distribute to the SCC of UE-LTE 910 to activate LAA secondary cell and activate.As shown,
MMS_SCAN_ON and MWS_SCAN_OFF message can be used also to signal the beginning of CQI measurement process in UE-LTE 910
And end.In the illustrated embodiment, it is UE real that UE-LTE 910, which is also sent using -2 message of WCI-2 type by eNB 930,
The index of the SCC of border distribution and activation.Similar message be may then use that indicate the SCC being deactivated.Such message can
UE-Wi-Fi 920 is allowed to keep newest on the LAA carrier wave for being currently assigned to UE-LTE 910.In the illustrated embodiment, exist
24ms, UE and eNB prepare to start to be communicated with LAA CA mode after MAC CE element.
In some embodiments, in the interim indicated by MWS_SCAN_ON and MWS_SCAN_OFF message, UE-
Wi-Fi 920 is configured as avoiding UL from transmitting completely, to avoid interference LTE measurement.In some embodiments, in the interval
Between still can execute Wi-Fi transmission, for example, in response to be connected to some access point user display request.In these implementations
In scheme, UE-Wi-Fi 920 can be to 910 notification transmission of UE-LTE, and UE-LTE 910 can be configured as and be discarded in Wi-
Any measurement that Fi is executed during transmitting.This can ensure that the measurement report on LAA channel will not degrade because Wi-Fi is transmitted.
In some embodiments, when UE-Wi-Fi 920 has been informed that the LAA activation for UE, UE-Wi-Fi 920
It is configured as reducing the active scan rate (active scan rate when relative to unused LAA) in 5GHz frequency band to reduce this
Class scanning influence received on LAA DL and/or the residence time for extending Wi-Fi active scan after the probe request is sent.Class
As, in some embodiments, when LAA is activated, UE-Wi-Fi 920 is configured as being not responsive to from access point
Probe response and send confirmation (ACK) message.In some cases, this can be further reduced to the received interference of LAA.As schemed
Show, in the conceived case, such as by attempting transmission distributing to other channels, Wi-Fi can forbid on SCC in the index
It is transmitted.
In some embodiments, eNB 930 be configured as based on buffered in eNB 930 amount of user data, Yong Hushi
It is no that there is LTE voice (VoLTE) or ensures bit rate (GBR) flow and whether SCC activation occurs in timer interval
To decide whether to activate LAA Scell.In some embodiments, eNB 930 is configured as only being greater than threshold in amount of buffered data
Value, user do not have VoLTE or GBR flow and there is no activating LAA SCell when SCC activation in threshold interval.
Figure 10 is the signal graph shown according to the exemplary communication during the LAA of some embodiments activation.Show shown
In example, it is disabled that Wi-Fi not will lead to LAA.In contrast, Figure 11 shows passing based on Wi-Fi according to some embodiments
The case where defeated disabling LAA.
In various embodiments, any one of various measurements can be used to determine when Wi-Fi transmission can be competent
Disturb LAA reception.This may include, for example, determining whether given Wi-Fi transmission is longer than threshold interval, determine in the time interval
Whether interior Wi-Fi transmission is greater than the threshold value average transmission amount on the interval, determines the practical LAA number in one or more intervals
According to packet loss etc..
In some embodiments, hybrid automatic repeat-request (HARQ) and transmission control protocol (TCP) can be used to come extensive
The LAA grouping lost again, especially if Wi-Fi transmission is relatively limited.But sometimes, since data packet is lost
It loses, it may be necessary to disable LAA.
Referring again to 10 figures, UE-Wi-Fi 920 is switched to the Wi-Fi for Wi-Fi transmission to UE-LTE in conjunction with antenna
910 send 802.11_TX_ON message, and 802.11_TX_OFF message is then sent when Wi-Fi is transmitted.Then switch back into
Antenna is for LAA use.In the illustrated embodiment, UE-LTE 910 is based at least partially on from UE-Wi-Fi's 920
WCI-2 message determines that packet loss is acceptable and LAA CA is maintained movable.
In some embodiments, instruction occurring Wi-Fi transmission initial message also may specify transmission it is lasting when
Between.In general, can be used any one of various codings come when specifying the time interval of transmission, scanning etc., including starting
Between and the duration, beginning and end signal, start and end time (using various reasonable times coding in any one
Kind) etc..Beginning and end message shown in Fig. 9-Figure 11 (for example, various "ON" and "Off" message) is included to explanation
Purpose, but it is not intended to be limited to the scope of the present disclosure.
Referring now to Figure 11, Wi-Fi transmission causes outage threshold to be triggered (for example, based on one discussed above or more
A measurement), and UE-LTE 910 starts SCC deactivation process.In some embodiments, if not yet receiving TX_OFF
Message, then a certain amount of time of the UE-LTE 910 after receiving TX_ON message starts deactivation process.In shown implementation
In scheme, UE-LTE 910 sends the CQI report with LAA SCC CQI=0, to make eNB 930 deactivate LAA SCell
(using MAC CE in the illustrated embodiment), LAA is deactivated later.In other embodiments, for example, other can be used
Message requests the LAA from eNB 930 to deactivate, proprietary UL MAC CE or 3GPP in such as coexistence (IDC) message
Version 13.UE-LTE 910 can then request to reactivate LAA SCC (not shown), for example, subtracting in response to Wi-Fi transmission
It is few.In some embodiments, similar technology uses identical threshold value or different threshold values for reactivating process.
Figure 12 A and Figure 12 B are shown according to some embodiments for determining whether Wi-Fi transmission leads to outage threshold
The flow chart (for example, in scene of Figure 11) for the example process being triggered.Figure for example can be realized by UE-LTE 910
The process of 12A and 12B.
Referring first to Figure 12 A, at 1202, UE-LTE 910 can determine the interruption rate (LAA_ of Wi-Fi transmission
It Interrupt_Rate) whether is more than (or satisfaction) to start Timer Threshold (LAA_Threshold_In).For example, LAA_
Interrupt_Rate can according in specific time window (for example, within the 100ms period) by the TTI of Wi-Fi Transmission
Quantity or percentage measure.As an example, LAA_Threshold_in can be arranged to the TTI's in time window
20%.UE-LTE 910 can determine whether the given TTI in time window is interrupted according to the above process.
At 1204, in response to determining that LAA_Interrupt_Rate is more than (or satisfaction) LAA_Threshold_In, UE-
LTE 910 can start packet data inactivity timer (LAA_Timer_Deac).LAA_Timer_Deac can be configured to measurement from Wi-
Whether the high interference period of Fi transmission is more than (or satisfaction) predefined thresholds.For example, LAA_Timer_Deac may be in 500ms
It is expired afterwards.
At 1206, UE-LTE 910 can determine whether LAA_Timer_Deac is expired.If so, at 1208,
UE-LTE 910 can initiate SCC deactivation process, for example, as shown in figure 11.
Referring now to Figure 12 B, at 1252, UE-LTE 910 can determine whether LAA_Interrupt_Rate is less than
(for example, being lower than) stops Timer Threshold (LAA_Threshold_Out).For example, LAA_Threshold_Out can be arranged to
10% of TTI in time window.It can be true by the LAA_Threshold_Out value for being set below LAA_Threshold_In
It is fixed whether to initiate to provide hysteresis when SCC deactivation process.
In response to determining that LAA_Interrupt_Rate is lower than LAA_Threshold_Out, UE-LTE 910 can be 1254
Place determines whether to enable LAA_Time_Deac.If enabling LAA_Time_Deac, UE-LTE 910 can stop LAA_
Timer_Deac, so that not initiating SCC deactivation process (for example, the determination for being unsatisfactory for step 1206).
In various embodiments, the interference of LAA and the Wi-Fi communication of disclosed technology shared antenna capable of reducing using
(it can improve performance in turn).
Call-flow coexists in example devices
In some embodiments, LAA is deactivated using CQI=0 report instead of (or in addition to this), is coexisted in equipment
(IDC) use new signaling to mobile device notification LAA RX unavailability in frame.In some embodiments, this can eliminate net
The dependence that network configures periodical CQI, this may reduce user experience in some cases.In some embodiments, net
Network is configured with the IDC technology below with reference to Figure 13 discussion, except non-mobile device does not support these technologies, in such case
Under, CQI=0 technology discussed above can be used in network.
Figure 13 is the signal graph for activating related exemplary IDC to communicate with LAA shown according to some embodiments.Institute
Showing in embodiment, UE 1310 sends InDeviceCoexInd-LAA (r13) message to EUTRAN 1320, it is based on the message,
Network determines to configure UE 1310 with one or more LAA SCell.Then, network sends RRC connection to UE 1310 and matches again
Message is set, one or more LAA SCell is added and indicates that UE is configured as transmission and refers to for the LAA RX IDC for sharing purpose
Show.The network also activates LAA SCell.
Then, in the example shown, UE 1310 determines that WiFi LAA receives to share and is occurring or be expected to occur, and
And in response, it sends to have and is set as genuine sharing problem field (LAAHardwareSharingIssue-R13)
InDeviceCoexIndication message.In response, network deactivates LAA SCell or pause UE 1310 at those
Data transmission on SCell.
Then, in the example shown, WiFi RX is shared no longer occurs, and UE 1310 is sent
InDeviceCoexIndication message, wherein sharing problem field is arranged to that false (it is that UE is configured that this, which can permit network,
LAA SCell and/or the data transmission for restoring UE on SCell).
In some embodiments, UE is configured to respond to determine that WLAN processor is via day during first time period
The transmission of line is opened in first band via the transmission of antenna with the rate interruption cellular processor for meeting first threshold
Beginning timer, and the deactivation of communication of the request via first band is expired and determined in response to timer.In some implementations
In scheme, UE is configured to respond to determining WLAN processor during the second period via the transmission of antenna to be lower than
The rate of second threshold interrupts cellular processor and stops timer via the transmission of antenna in first band.
Illustrative methods
Figure 14 is the flow chart for the method using co-existence information shown according to some embodiments.In addition to other it
Outside, method shown in Figure 14 is in combination with any next in computer circuits disclosed herein, system, equipment, component or component
It uses.In various embodiments, some in method element shown in can concurrently be executed by the order different from shown order,
Or it can be removed.Additional method element can also be executed as needed.
At 1410, in the illustrated embodiment, the first processing element (for example, Cell Controllers 352) is in first band
Neutralization is carried out wireless communication according to the first RAT in the second frequency band, wherein the first RAT is honeycomb RAT, first band is unlicensed
Frequency spectrum, and second band is in licensed spectrum.
At 1420, in the illustrated embodiment, second processing element (for example, Wi-Fi controller 350) is in first band
It is middle to be carried out wireless communication according to the 2nd RAT, wherein the 2nd RAT is WLAN RAT.Note that the first processing element and second processing member
Part can be or can not be identical processing element.
At 1430, in the illustrated embodiment, the first processing element and second of method element 1410 and 1420 is executed
Processing element is for the first RAT and the 2nd RAT using community antenna for the communication in first band.
At 1440, in the illustrated embodiment, second processing element passes through between the one or more transmission of the 2nd RAT instruction
Every.
At 1450, in the illustrated embodiment, the first processing element based on one or more one of transmission intercal or
Multiple duration determine whether to request the deactivation of the communication via first band.For example, if request deactivates, first
Processing element can be with base station communication to make requests.For example, the CQI report that the transmittable CQI of the first processing element is zero is to request
It deactivates.In some embodiments, DCI message can be transmitted to request to deactivate in the first processing element.
Cellular communication in first band can be LAA communication.First processing element and second processing element can be connect by WCI
Mouth is communicated.First band can be 5GHz frequency band.
Figure 15 is the flow chart for another method using co-existence information according to some embodiments.In addition to other
Except, method shown in figure 15 is in combination with any one of computer circuits disclosed herein, system, equipment, component or component
To use.In various embodiments, some in method element shown in can concurrently be held by the order different from shown order
Row, or can be removed.Additional method element can also be executed as needed.
In the illustrated embodiment, method element 1510-1530 corresponds to the method element 1410-1430 of Figure 14.
At 1540, in the illustrated embodiment, cellular processor sends message, which lists one in first band
A or multiple auxiliary component carriers, these auxiliary component carriers are allocated for cellular communication or to execute honeycomb measurement to it.?
In some embodiments, for example, it is one or more auxiliary component carrier is by one or more adjacent base stations rather than serving BS makes
With.
In some embodiments, it is based on the instruction, WLAN processor is configured as avoiding dividing in response to the message
It is transmitted in the auxiliary component carrier of dispensing cellular processor.In some embodiments, which is configured to respond to
The message forbids sending confirmation to one or more detections from wireless access point in the first frequency band.In some embodiment party
In case, WLAN processor is configured to respond to the active scan rate in message reduction first band.In some embodiment party
In case, WLAN processor is configured to respond to the increase that the message uses media access control protocol data unit (AMPDU)
Polymerization.In some embodiments, cellular processor is configured as sending a message to WLAN processor via application processor.
Figure 16 is the flow chart for the another method using co-existence information according to some embodiments.In addition to other it
Outside, method shown in Figure 16 is in combination with any next in computer circuits disclosed herein, system, equipment, component or component
It uses.In various embodiments, some in method element shown in can concurrently be executed by the order different from shown order,
Or it can be removed.Additional method element can also be executed as needed.
In the illustrated embodiment, method element 1610-1630 corresponds to the method element 1410-1430 of Figure 14.
At 1640, in the illustrated embodiment, cellular processor is indicated between the scanning of the honeycomb scanning in first band
Every.
At 1650, in the illustrated embodiment, WLAN processor is cancelled or is postponed via second during sweep spacing
The transmission of one or more scheduling of RAT.In some embodiments, WLAN processor can determine does not postpone in the interim
One or more transmission is (for example, the duration for example based on sweep spacing, other information and/or tune about sweep spacing
The characteristic of the transmission of degree).In some embodiments, WLAN process be configured as notice cellular processor in interim it is
No transmission.In some embodiments, the notice transmitted in response to WLAN processor in the interim, cellular processor are matched
It is set to the one or more scanning surveys ignored and carried out in the interim of WLAN processor transmission.
Computer readable media
Various exemplary circuits have been discussed in detail above in the disclosure.Be intended to the disclosure not only cover including
The embodiment of such circuit system, and also cover the computer-readable of the design information including specifying such circuit system and deposit
Storage media.Therefore, the disclosure is intended to support not only to cover the equipment including disclosed circuit system but also also cover to be configured
To generate the format specified circuit system that the manufacture system of the hardware (such as integrated circuit) including disclosed circuit system identifies
Storage medium claim.To the claim of such storage medium be intended to cover for example generative circuit design but itself not
Manufacture the entity of the design.
Figure 17 A be the exemplary non-transient computer of storage circuit design information a kind of is shown according to some embodiments can
Read the block diagram of storage medium.In the embodiment of illustration, semi-conductor manufacturing system 1720 be configured as processing be stored in it is non-temporarily
Design information 1715 on state computer-readable medium 1710 simultaneously manufactures integrated circuit 1730 based on design information 1715.
Non-transitory computer-readable medium 1710 may include in the memory devices or storage equipment of various appropriate types
Any equipment.Medium 1710 can be install medium, such as CD-ROM, floppy disk or tape unit；Computer system memory or
Random access memory DRAM, DDR RAM, SRAM, EDO RAM, Rambus RAM etc.；Nonvolatile memory such as dodges
It deposits, magnetic medium, for example, hard disk drive or optical storage；Register or the memory component of other similar type etc..
Medium 1710 may also comprise other kinds of non-transient memory or their combination.Medium 1710 may include that can reside in difference
Position for example passes through two or more storage mediums in the different computer systems of network connection.
Design information 1715 can be specified using any language that various machine words appropriate call the turn, including hardware description
Language is such as, but not limited to: VHDL, Verilog, SystemC, SystemVerilog, RHDL, M, MyHDL etc..Design information
1715 be able to can be used to manufacture at least part of integrated circuit 1730 by semi-conductor manufacturing system 1720.Design information 1715
Format can be identified by least one semi-conductor manufacturing system 1720.In some embodiments, design information 1715 may also include
The synthesis of specified integrated circuit 1730 and/or one or more cell libraries of layout.In some embodiments, design information is whole
Body is partly specified in the form of designating unit library element and its internuncial netlist.
Semi-conductor manufacturing system 1720 may include any member being configured as in the various appropriate elements of manufacture integrated circuit
Part.This may include for example sinking for (such as in the chip that may include exposure mask) deposited semiconductor material, removal material, change
The shape of product material, (such as modifying dielectric constant by dopant material or using ultraviolet processing) are to the member of material modification etc.
Part.Semi-conductor manufacturing system 1720 is also configured to execute correct operation the various tests of manufactured circuit.
In various embodiments, integrated circuit 1730 be configured as according to design information 1715 specify circuit design come
Operation, this may include any functionality executed in functionality as described herein.For example, integrated circuit 1730 may include this paper institute
Any element in various elements shown.In addition, integrated circuit 1730 can be configured to execute herein in conjunction with described in other component
Various functions.In addition, functionality as described herein can be executed by the integrated circuit of multiple connections.
Figure 17 B be show the storage programmable hardware element according to some embodiments design information it is exemplary it is non-temporarily
The block diagram of when property computer readable storage medium.In the illustrated embodiment, programming device 1750 is configured as handling and be stored in
Design information 1745 in non-transitory computer-readable medium 1740, and based on design information 1745 to programmable hardware element
1760 are programmed.
As described above, medium 1740 and design information 1745 can have it is similar with medium 1710 and design information 1715
Feature.Hardware description language for ASIC design can be similar with the hardware description language for programming programmable hardware element
Or it is different.Programmable hardware element 1760 can be field programmable gate array (FPGA), programmable logic array (PLA), complexity
Programmable logic device (CPLD) etc..Programmable hardware element 1760 may include logical block, for public function lump, can match
Timing topology, memory, fuse for setting etc..Given programmable hardware element 1760 can differently be programmed in different time,
For example, by adjusting the interconnection etc. between the function of logical block, circuit element.
In various embodiments, programmable hardware element 1760 is configured as after being programmed according to by design information
1745 specified circuit designs are operated, and design information 1745 may include executing any function described herein.For example, can
Programming hardware element 1760 can realize any element in various elements shown in this article.In addition, programmable hardware element 1760
It can be configured to that other assemblies is combined to execute various functions described herein.In addition, functions described herein can be by multiple companies
The programmable hardware element connect executes.
As used herein, term " realizing circuit according to design " includes compiling according to design and manufacture integrated circuit and according to design
Journey programmable hardware element.Semi-conductor manufacturing system 1720 and programming device 1750 are configured as realizing electricity according to design information
The example of the computing system on road.In general, being realized other than the technology that reference Figure 17 A and Figure 17 B are discussed according to design
Circuit may include the other modes for realizing hardware circuit.The term is intended to cover be stored in computer-readable medium for basis
In design information realize all these technologies of hardware circuit.
As used herein, form is that the phrase of " design information of the design of specified to be configured as ... circuit " does not imply that
Related circuit must be just manufactured in order to meet the element.On the contrary, the phrase shows that design information describes a kind of circuit, it should
Circuit will be configured as executing indicated movement or will include specified component when being manufactured.
Disclosed embodiment can be realized any one of in a variety of manners.For example, in some embodiments,
Disclosed technology can be implemented as computer implemented method, computer readable storage medium or computer system.At other
In embodiment, the hardware device of one or more custom designs of such as ASIC etc can be used to realize disclosed skill
Art.In other embodiments, one or more programmable hardware elements of such as FPGA can be used to realize disclosed skill
Art.
In some embodiments, non-transient computer readable memory medium (for example, non-transient memory component) can
It is configured such that it stores program instruction and/or data, wherein making if executing described program instruction by computer system
It obtains computer system and executes any one of a kind of method, such as method described herein embodiment or side as described herein
Any subset or such subset of any combination of method embodiment or any method embodiment as described herein it is any
Combination.
In some embodiments, equipment (such as UE) can be configured to include processor (or one group of processor) and storage
Device medium (or memory component), wherein storage medium stores program instruction, and wherein the processor is configured as from the storage
It is read in device medium and executes the program instruction, wherein the program instruction is executable to realize various methods as described herein
Any method embodiment (or any combination or as described herein of methods described herein embodiment in embodiment
Any combination of any subset or such subset in any method embodiment).Can in a variety of manners in any form
To realize the equipment.
Although embodiment above has had been described in detail, disclosure above is once understood completely, it is many
Variants and modifications will become obvious for a person skilled in the art.It is contemplated that following claims quilt
It is illustrated as comprising all such variants and modifications.
Claims (20)
1. a kind of device, comprising:
Cellular processor, the cellular processor are configured as in the first frequency band and in the second frequency band according to the first radio
Access technology (RAT) carries out wireless communication, wherein first RAT is honeycomb RAT, the first band is in unlicensed spectrum
In, and the second band is in licensed spectrum；
WLAN (WLAN) processor, the WLAN processor are configured as in the first band according to the 2nd RAT
It carries out wireless communication, wherein second RAT is WLAN (WLAN) RAT；
Wherein the cellular processor and the WLAN processor are configured to couple to identical antenna for described first
Communication in frequency band；
Wherein the WLAN processor is configured as by when the WLAN processor is transmitted via the antenna
The cellular processor is notified to indicate one or more transmission intercals；And
Wherein the cellular processor is configured as one or more duration based on one or more of transmission intercals
To determine whether to request the deactivation to the communication via the first band from cellular network.
2. the apparatus according to claim 1,
Wherein the cellular processor be configured as in the first band the cellular processor starting scanning and
The WLAN processor is notified when the cellular processor is terminating scanning；And
Wherein the WLAN processor is configured as starting from the beginning of the scanning and ending at the knot of the scanning
One or more scheduled transmission are cancelled or postponed to interim at beam.
3. the apparatus of claim 2,
Wherein, in response to not postponing one or more determinations transmitted in the interim, the WLAN processor is configured
To notify WLAN processor described in the cellular processor to be transmitted in the interim；And
Wherein, the notice transmitted in response to the WLAN processor in the interim, the honeycomb processing
Device is configured as ignoring the one or more scanning surveys for the interim progress transmitted in the WLAN processor.
4. the apparatus according to claim 1,
Wherein the cellular processor is configured to respond to one or more auxiliary component carriers in the first band and passes through
Cellular base station distribute to the cellular processor distribution or in response to from the base station in the first band
One or more auxiliary component carriers execute measurement instruction come to the WLAN processor send message.
5. the apparatus according to claim 1, wherein the cellular processor is configured as by sending needle to cellular base station
The CQI report that (CQI) is zero is indicated to the channel quality of one or more auxiliary component carriers in the first band to request
Via the deactivation of the communication of the first band.
6. the apparatus according to claim 1, wherein the cellular processor is configured as by setting to cellular base station transmission
(IDC) message coexists to request the deactivation of the communication via the first band in standby.
7. the apparatus according to claim 1, wherein the honeycomb carried out in the first band by the cellular processor
Communication is authorization auxiliary access (LAA) communication.
8. the apparatus according to claim 1, wherein the WLAN processor is configured with wireless coexistence interface (WCI)
To indicate one or more of transmission intercals.
9. the apparatus according to claim 1, wherein the first band is unlicensed 5GHz frequency band and second frequency
Band is licensed cellular frequency band.
10. the apparatus according to claim 1, wherein the single processor for executing distinct program is configured as realizing the bee
Both nest processor and the WLAN processor.
11. the apparatus according to claim 1, wherein determining whether to request the communication via the first band to go
In activation, the cellular processor is further configured to:
In response to determining the transmission carried out by the WLAN processor via the antenna during first time period with full
The rate of sufficient first threshold is interrupted to be opened by the cellular processor via the transmission that the antenna carries out in the first band
Beginning timer；And
It is expired in response to the timer to determine the deactivation of communication of the request via the first band.
12. device according to claim 11, wherein in order to determine whether to request the communication via the first band
It deactivates, the cellular processor is further configured to:
In response to determining the transmission carried out during the second period by the WLAN processor via the antenna with low
It interrupts in the first band in the rate of second threshold and is stopped by the cellular processor via the transmission that the antenna carries out
Only timer.
13. a kind of method, comprising:
It is carried out in the first frequency band and in the second frequency band according to the first radio access technologies (RAT) by cellular processor wireless
Communication, wherein first RAT is honeycomb RAT, the first band is in unlicensed spectrum, and the second band is being permitted
It can be in frequency spectrum；
It is carried out wireless communication in the first band according to the 2nd RAT by WLAN (WLAN) processor, wherein described
2nd RAT is WLAN (WLAN) RAT, wherein being handled in the first band by the cellular processor and the WLAN
The communication that device carries out uses common antenna；
By the WLAN processor by notifying the bee when the WLAN processor is transmitted via the antenna
Nest processor indicates one or more transmission intercals；
And
Determined whether by the cellular processor based on one or more duration of one or more of transmission intercals
Request the deactivation of the communication via the first band.
14. according to the method for claim 13, further includes:
In the first band when the cellular processor is starting scanning and when the cellular processor is being tied
It is notified when beam scanning by the cellular processor；And
It is determined by the WLAN processor in the end for starting from the beginning of the scanning and ending at the scanning
One or more scheduled transmission are cancelled or postponed to interim.
15. according to the method for claim 14, further includes:
It is described to notify in not postponing the determination of one or more transmission in the interim by the WLAN processor response
WLAN processor described in cellular processor is transmitted in the interim；And
The one or more for the interim progress that the WLAN processor is transmitted is discarded in by the cellular processor
Scanning survey.
16. a kind of non-transitory computer-readable medium with the instruction being stored thereon, described instruction can be by calculating equipment
It executes to execute including operation below:
It is carried out in the first frequency band and in the second frequency band according to the first radio access technologies (RAT) by cellular processor wireless
Communication, wherein first RAT is honeycomb RAT, the first band is permitted in unlicensed spectrum, and in the second band
It can be in frequency spectrum；
It is carried out wireless communication in the first band according to the 2nd RAT by WLAN (WLAN) processor, wherein described
2nd RAT is WLAN (WLAN) RAT, wherein by the cellular processor and the WLAN processor in first frequency
The communication carried out in band uses common antenna；
By the WLAN processor by notifying the bee when the WLAN processor is transmitted via the antenna
Nest processor indicates one or more transmission intercals；And
Determined whether by the cellular processor based on one or more duration of one or more of transmission intercals
Request the deactivation of the communication via the first band.
17. non-transitory computer-readable medium according to claim 16, wherein the operation further include:
In the first band when the cellular processor is starting scanning and when the cellular processor is being tied
It is notified when beam scanning by the cellular processor；And
It is determined by the WLAN processor in the end for starting from the beginning of the scanning and ending at the scanning
One or more scheduled transmission are cancelled or postponed to interim.
18. non-transitory computer-readable medium according to claim 17, wherein the operation further include:
It is described to notify in not postponing the determination of one or more transmission in the interim by the WLAN processor response
WLAN processor described in cellular processor is transmitted in the interim；And
The one or more for the interim progress that the WLAN processor is transmitted is discarded in by the cellular processor
Scanning survey.
19. non-transitory computer-readable medium according to claim 16, wherein the operation further include:
By the cellular processor in response to being carried the auxiliary component of one or more of the first band by the cellular base station
The distribution of cellular processor described in wavelength-division dispensing or in response to from the base station to one in the first band or
The instruction that multiple auxiliary component carriers execute measurement to send message to the WLAN processor.
20. non-transitory computer-readable medium according to claim 16, wherein the request is via the first band
Communication deactivation by the way that (IDC) message coexists to cellular base station in sending device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010351300.XA CN111491383B (en) | 2016-11-14 | 2017-09-26 | LAA/Wi-Fi coexistence for 5GHz antenna sharing |
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| US201662421766P | 2016-11-14 | 2016-11-14 | |
| US62/421,766 | 2016-11-14 | ||
| US15/711,061 | 2017-09-21 | ||
| US15/711,061 US10462805B2 (en) | 2016-09-23 | 2017-09-21 | LAA/WiFi Coexistence for 5GHz antenna sharing |
| PCT/US2017/053459 WO2018058112A1 (en) | 2016-09-23 | 2017-09-26 | Laa/wi-fi coexistence for 5ghz antenna sharing |
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| CN202010351300.XA Division CN111491383B (en) | 2016-11-14 | 2017-09-26 | LAA/Wi-Fi coexistence for 5GHz antenna sharing |
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| CN201780057767.XA Active CN109716848B (en) | 2016-11-14 | 2017-09-26 | LAA/Wi-Fi coexistence for 5GHz antenna sharing |
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Cited By (2)
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| WO2022011625A1 (en) * | 2020-07-16 | 2022-01-20 | Oppo广东移动通信有限公司 | Carrier aggregation configuration method and apparatus, device and storage medium |
| CN114885395A (en) * | 2022-07-08 | 2022-08-09 | 荣耀终端有限公司 | Data communication method, electronic device, and computer storage medium |
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| WO2022261843A1 (en) * | 2021-06-15 | 2022-12-22 | 北京小米移动软件有限公司 | Network access method and apparatus, user equipment, access network device, and storage medium |
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Also Published As
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| CN111491383B (en) | 2023-09-19 |
| CN109716848B (en) | 2020-05-12 |
| KR102669434B1 (en) | 2024-05-28 |
| KR20220123481A (en) | 2022-09-06 |
| CN111491383A (en) | 2020-08-04 |
| KR20210102473A (en) | 2021-08-19 |
| KR20190035789A (en) | 2019-04-03 |
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