CN105897322A - Wave beam forming method for millimeter wave communication, base station and user equipment thereof - Google Patents
Wave beam forming method for millimeter wave communication, base station and user equipment thereof Download PDFInfo
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- CN105897322A CN105897322A CN201511027827.2A CN201511027827A CN105897322A CN 105897322 A CN105897322 A CN 105897322A CN 201511027827 A CN201511027827 A CN 201511027827A CN 105897322 A CN105897322 A CN 105897322A
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- 238000000034 method Methods 0.000 title claims abstract description 94
- 238000004891 communication Methods 0.000 title abstract description 19
- WYROLENTHWJFLR-ACLDMZEESA-N queuine Chemical compound C1=2C(=O)NC(N)=NC=2NC=C1CN[C@H]1C=C[C@H](O)[C@@H]1O WYROLENTHWJFLR-ACLDMZEESA-N 0.000 claims abstract description 47
- 230000000737 periodic effect Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000008569 process Effects 0.000 claims description 28
- 238000013475 authorization Methods 0.000 claims description 12
- 230000011664 signaling Effects 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
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- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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Classifications
-
- 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
- H04B7/0617—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 for beam forming
Abstract
A beam forming method for millimeter wave communication, a base station and user equipment thereof. The invention provides a beam forming method for millimeter wave communication. This beamforming method is applicable to a base station and includes the following steps. In performing network entry, a plurality of periodic signals are conveyed using frame headers of M radio frames by Q base station beams as Q scanning beams. M ≧ 1 and Q ≧ 1. When a user equipment connection is performed by a scheduled beam selected from the Q base station beams, data packets are transceived using a payload section of the M radio frames by the at least one scheduled beam.
Description
Technical field
It relates to the Beamforming Method of a kind of millimetre-wave attenuator, and use the base station of the method with
Subscriber equipment.
Background technology
Along with the progress of science and technology, use the channel radio of millimeter wave (Millimeter Wave is called for short mmWave)
Still there are some technical difficulties in letter technology.Substantially, use millimeter wave first faced by be propagated through
Being likely encountered wave energy deep fades in journey, this is with millimeter-wave communication system operates in high frequency band and uses quite
Big bandwidth communicates the biggest association.Furthermore, it is understood that compared to commonly used now
Three generations (3G) or forth generation (4G) communication system, millimeter-wave communication system uses the frequency range of relative high frequency to enter
Row communication.It is appreciated that electromagnetic wave propagation is in high band (such as, millimeter wave) relatively low-frequency range (example
Such as, micron wave) come unreliable.Electromagnetic wave energy power received by receiver can with signal transmit away from
From square be inversely proportional to and be directly proportional to the wavelength of electromagnetic wave signal, then millimeter-wave communication system will be because of
The amplitude of signal energy decay is substantially improved for using the high-frequency signal of short wavelength.Further, high-frequency signal
Use also will result in antenna aperature rapid drawdown, and the signal that transmits in millimeter-wave communication system may be caused
Signal energy is successively decreased.
Furthermore, owing to using the electromagnetic wave signal of high band, therefore receiving and transmitting signal in millimeter-wave communication system
The ability penetrating barrier substantially reduces.For millimeter-wave communication system, system is imitated
Can be very sensitive for the barrier in signal transmission path.I.e. direct-view (the Line of of signal transmission
Sight, LOS) belong to very important consideration with non-direct-view (Non Line of Sight, NLOS).
It addition, the oxygen in rainy day, air the most all can sponge millimeter wave energy with steam etc..Except this it
Outward, in order to reach high data transmission efficiency, millimeter-wave communication system uses sizable bandwidth (such as
500MHz～1GHz) carry out data transmission, this measure also will be greatly improved noise energy and therefore reduce noise
Ratio.Therefore, in order to ensure communication quality, the transceiver in millimeter-wave communication system typically requires use and arrives
Multi-antenna beam forms technology and improves the signal energy decay usefulness in order to gain receiving and transmitting signal.
In general, correlation technique is the antenna array that configuration includes multiple antenna in base station/user equipment
Row, can produce by base station/user equipment to have the wave beam of directivity by controlling these antenna.By antenna
The beam-forming technology that array is reached be the usefulness affecting Millimeter-wave Wireless Communication System key factor it
One.Furthermore, it is understood that wave beam produced by base station/user equipment have adjustable beam position with
Beam pattern, therefore beam pattern and the beam position of wave beam will directly affect between base station and subscriber equipment
Whether can set up data transfer path.Such as, base station can be set up number with subscriber equipment by beam scanning
According to transmission path, and described beam scanning be base station in cellular cell sequentially towards different directions launch contain
The wave beam being limited in scope.Therefore, the covering scope (filed of view, FoV) of wave beam also becomes decision
Base station and subscriber equipment set up data transfer path needed for one of time-consuming key factor.Base this, as
What promotes the usefulness of Millimeter-wave Wireless Communication System really for art technology institute by beam-forming technology
One of important issue being concerned about.
Summary of the invention
Therefore, the disclosure proposes the Beamforming Method of a kind of millimetre-wave attenuator.Particularly, the disclosure carries
Go out the Beamforming Method of a kind of millimetre-wave attenuator, and use base station and subscriber equipment, the energy of the method
The most effectively manage wave beam and dispatch preferred wave beam for doing the transmission of data.
The disclosure provides the Beamforming Method of a kind of millimetre-wave attenuator.According to an exemplary embodiment, described
Beamforming Method is applicable to the base station with the ability producing Q base station beam.Described Wave beam forming side
Method comprises the following steps.When performing network entry, by Q the base station ripple as Q scanning beam
Bundle, uses the frame header of M radio frame to transmit multiple periodic signal, wherein M 1 and Q
1.(UE is connected performing subscriber equipment by the scheduled wave beam selected from Q base station beam
Connection) time, by least one scheduled wave beam, the load region of M radio frame is used to receive
Send out packet.
The disclosure provides a kind of base station.According to an exemplary embodiment, described base station is for having Q base of generation
Stand wave beam, and include transmission circuit and process the base station of circuit.Transmission circuit is configured to transmit and connect
Receive the wireless signal of millimetre-wave attenuator.Process circuit and be coupled to transmission circuit, and be configured to perform
During network entry, by Q the base station beam as Q scanning beam, use M radio frame
Frame header transmit multiple periodic signal, M 1 and Q 1.Process circuit be configured to by
When the scheduled circuit selected from Q base station beam performs subscriber equipment connection, by as at least one
At least one of Q base station beam of scheduled wave beam, uses the load region of M radio frame
Transceiving data is grouped.
The disclosure provides the Beamforming Method of a kind of millimetre-wave attenuator.According to an exemplary embodiment, described
Beamforming Method is applicable to subscriber equipment.Described Beamforming Method comprises the following steps.Performing net
Network log in time, by least one of Q the base station beam as Q scanning beam at least its
One of, use at least one of frame header of M radio frame to receive multiple periodic signal,
Wherein M 1 and Q 1.From Q base station beam, determine the Q as at least one scheduled wave beam
At least one of individual base station beam.By the scheduled ripple of at least selected from Q base station beam
When Shu Zhihang subscriber equipment connects, by least one scheduled wave beam, use M radio frame at least
Transceiving data packet is carried out in the load region of one of them.
The disclosure provides a kind of subscriber equipment.According to an exemplary embodiment, described subscriber equipment includes transmitting-receiving
Circuit and process circuit.Transmission circuit is configured to transmission and receives the wireless signal of millimetre-wave attenuator.
Process circuit and be coupled to transmission circuit, and when being configured to perform network entry, by as at least
At least one of Q base station beam of one scan wave beam, uses M radio frame at least within
One of frame header receive multiple periodic signal, wherein M 1 and Q 1.Process circuit is configured
With from Q base station beam, determine Q the base station beam as at least one scheduled wave beam at least its
One of, and when performing subscriber equipment connection by the scheduled wave beam selected from Q base station beam,
By at least one scheduled wave beam, at least one of load region of M radio frame is used to receive and dispatch
Packet.
Based on above-mentioned, in the frame header of radio frame, towards different directions and as multiple scanning beams
Multiple base station beam send continuously and periodically by base station.In addition, in the load of radio frame
Qu Zhong, is scheduled dynamically from the scheduled wave beam of at least selected by base station beam and is sent by base station, with
It is used for doing the transmission of data.
For the features described above of the present invention and advantage can be become apparent, special embodiment below, and coordinate
Accompanying drawing is described in detail below.
Accompanying drawing explanation
Accompanying drawing is included herewith so that being further appreciated by the disclosure, and is incorporated in this specification and structure
Become the part of this specification.Accompanying drawing explanation embodiment of the disclosure, and together with the description in order to explain this
Disclosed principle.
Figure 1A is the schematic block diagram according to the base station depicted in the disclosure one exemplary embodiment.
Figure 1B is the schematic block diagram according to the subscriber equipment depicted in the disclosure one exemplary embodiment.
Fig. 2 is the schematic diagram of the millimetre-wave attenuator according to the Wave beam forming depicted in the disclosure one embodiment.
Fig. 3 A be according to depicted in the disclosure one exemplary embodiment by the Beamforming Method of base station operation
Flow chart.
Fig. 3 B be according to depicted in the disclosure one exemplary embodiment by the Wave beam forming of user facility operation
The flow chart of method.
Fig. 4 is showing according to the frame structure for millimetre-wave attenuator depicted in the disclosure one exemplary embodiment
It is intended to.
Fig. 5 is showing of the radio frame according to the Wave beam forming mechanism depicted in the disclosure one exemplary embodiment
It is intended to.
Fig. 6 A and Fig. 7 A is in the frame header according to the concentrated depicted in the disclosure one exemplary embodiment
The schematic diagram of scanning beam distribution.
Fig. 6 B and Fig. 7 B is in the frame header according to the decentralized depicted in the disclosure one exemplary embodiment
The schematic diagram of scanning beam distribution.
Fig. 8 is according to sending signal on scanning beam periodically depicted in the disclosure one exemplary embodiment
Schematic diagram.
Fig. 9 be according to depicted in the disclosure one exemplary embodiment by the Beamforming Method of base station operation
Flow chart.
Figure 10 be according to depicted in the disclosure one exemplary embodiment by the Wave beam forming of user facility operation
The flow chart of method.
[symbol description]
100: base station
110,210: transmission circuit
120,220: process circuit
130,230: memory circuitry
140: beam forming unit
150: aerial array
200: subscriber equipment
240: antenna element
400: radio frame
411: downlink frame header
412: uplink frame header
413: frame header
414,701,702: load region
61～82: subframe
C1: community
D1: clockwise
DL: descending
UL: up
#1, #2, #3, #4, #5, #6, #7: wave beam
S310、S320、S330、S340、S350、S910、S920、S930、S940、S950、S960、
S970, S1001, S1002, S1003, S1004, S1005, S1006, S1007, S1008, S1009:
The step of Beamforming Method
Detailed description of the invention
In the following embodiments for constructional purpose, will illustrate that a large amount of detail is to provide right
The understanding of disclosure embodiment more comprehensively property.However, it is necessary to it is clear that one or more embodiment also may be used
Can be implemented under not possessing above-mentioned detail.On the other hand, in order to simplify accompanying drawing, it is known that knot
Structure or equipment will represent with schematic diagram.
Hereinafter with reference to accompanying drawing to provide those skilled in the art's reason to disclosure embodiment more comprehensively property
Solve.The present invention can in a number of different ways implementation and be not restricted to embodiments set forth herein.At this
The disclosure of literary composition will omit the explanation of known elements, and label identical in the middle of disclosure herein is made
It is used for representing same or similar part.
In the disclosure, " base station " word can represent multiple different embodiment, and it includes but not limited to
E.g. domestic evolution base station (Home evolved Node B, HeNB), evolution base station (evolved Node
B, eNB), advanced base station (advanced base station, ABS), base transceiver system (base
Transceiver system, BTS), access point (access point), base station from home (home base station),
Relay station (relay), scattering object (scatterer), repeater (repeater), intermediate node (intermediate
Node), middle device (intermediary) and/or satellite communication base station (satellite-based
communication base station)。
According to embodiment of the disclosure, base station is at least represented by the function device as depicted in Figure 1A.
Base station 100 at least includes, but is not limited to transmission circuit 110, process circuit 120, memory circuitry 130 (can
Choosing), Wave beam forming circuit 140 and aerial array 150.
Transmission circuit 110 can wirelessly transmit and receive up (uplink, UL) signal and/or descending
(downlink, DL) signal.Transmission circuit 110 also can perform such as low noise amplification, impedance matching,
Mixing, up-conversion, frequency reducing conversion, filtering, amplification or similar operation.For example, transmitting-receiving electricity
Road 110 can include that amplifier, frequency mixer, agitator, analog-to-digital converter (ADC), numeral turn
Analog converter (DAC), wave filter or similar element.Analog-to-digital converter is configured to
In row signal processing stage, analog signal format is converted to digital signals format, and numeral revolving die is intended turning
The processing stage that parallel operation being configured to downstream signal, digital signals format is converted to analog signal format.
The signal that transmission circuit 110 can be provided by the Wave beam forming circuit 140 of base station 100 performs wave beam
Form operation.For example, Wave beam forming circuit 140 includes multiple phase converter and multiple power
Amplifier (PA).Therefore, the signal relative phase delivering to each antenna in aerial array 150 can be by suitable
Adjusting, with enhancing signal in the intensity of assigned direction, but the intensity in other directions is then compressed.Change sentence
Talking about, by operation Wave beam forming circuit 140, base station 100 can be towards different directions or with different field patterns
Produce multiple wave beam.
Process circuit 120 and be configured to process digital signal, and perform the example enforcement according to the disclosure
The program of example proposed method.Additionally, process circuit 120 be optionally coupled to memory circuitry 130,
So that the configuration of access program code, device, code book and buffering or permanent data, and record is by processing electricity
Multiple modules performed by road 120.The function processing circuit 120 can use such as microprocessor, micro-by mat
Controller, Digital Signal Processing (digital signal processing) chip, field programmable gate array (field
Programmable gate array), and other similar programmable units carry out implementation.Process circuit 120
Function also can carry out implementation by independent electronic installation or integrated circuit, and process circuit can also be hard
The pattern of part or software carrys out implementation.
In the disclosure, " subscriber equipment " word can represent multiple different embodiment, it include but not
Be limited to e.g. mobile station (mobile station, MS), advanced mobile station (advanced mobile station,
AMS), server, user terminal, desktop PC, mobile computer, network computer, work
Stand, personal digital assistant (personal digital assistant, PDA), personal computer (personal
Computer, PC), scanning device, telephone device, beeper (pager), camera, television set, hand-held
Formula video game apparatus, music apparatus, wireless senser and other similar equipment.Apply at some
In the middle of, subscriber equipment can be to operate in such as bus, train, aircraft, ship, automobile and other are similar
Mobile environment in stationary computer device.
According to embodiment of the disclosure, the function that subscriber equipment is at least represented by as depicted in Figure 1B sets
Standby.Subscriber equipment 200 at least includes, but is not limited to transmission circuit 210, processes circuit 220, memorizer
Circuit 230 (optional), and one or more antenna element 240.Memory circuitry 230 can store program
The configuration of code, device, buffering or permanent data, code book etc..Processing circuit 220 can also hardware or soft
The pattern of part carrys out implementation.In subscriber equipment 200, the function of each element is analogous to it in base station 100
Function, the detailed description of the most above-mentioned each element will not be repeated again and repeats.Although not illustrating in Figure 1B,
In an exemplary embodiment, subscriber equipment 200 may also comprise beam forming unit, by the use side of having
The wave beam of tropism communicates with base station 100.
In the exemplary embodiment of the disclosure, the cell phone system operating in EHF band can utilize based on ripple
The antenna gain that bundle formation technology is obtained compensates the energy loss on transmission path.Aforesaid extremely high frequency
Band the most about 38 gigahertz (GHz) millimeter wave frequency band, but the disclosure is not limited to this.Wave beam forming skill
Art is to send signal so that signal can be gathered in the technology of a specific direction from the most several antennas.Base station 100
The phase place from each antenna signal transmitted can be adjusted, therefore the signal sent from all antennas can be gathered in spy
Determine direction to produce directional beam.Therefore, base station 100 wave beam transmitted can be positioned at specific direction
Subscriber equipment 200 received.
Fig. 2 is the schematic diagram of the millimetre-wave attenuator according to the Wave beam forming depicted in the disclosure one embodiment.
Refer to Fig. 2, base station 100 can produce multiple base stations ripple in the C1 of community continuously towards different directions
Bundle.In this exemplary embodiment, such as, base station 100 can produce the base station in eight different beams directions
Wave beam #0～#7, and base station 100 can according to clockwise direction D1 transmit continuously base station beam #0～
#7.The coverage of base station beam #0～#7 can cover whole community C1.In other words, base station 100
Base station beam #0～#7 can be produced to cover whole community C1 by seven beam directions of switching.
In the disclosure, base station 100 can be by the frame of the Wave beam forming frame using following discloses to be defined
Header, the most sequentially sends base station beam #0～#7 as scanning beam.At this " scanning beam "
One vocabulary shows the base station beam of transmission in frame header, and for the periodicity of beam search with cell search
Signal and the network system information for network entry procedure are to be transmitted by frame header.It is to say,
Base station 100 can be by each scanning beam transmission periodic signal and network system information, so that at least one uses
Family equipment can the wave beam of execution Anywhere in the C1 of community seek, beam tracking and network entry journey
Sequence.Network entry procedure can be that network accesses (camp-on) program, signal hand-off (handover) program, returns
Move back (fallback) program and other similar programs, disclosure system not subject to the limits.
In other words, when subscriber equipment 200 enters community C1, and subscriber equipment 200 and base station 100 can
At least one by scanning beam performs network entry procedure, and wherein scanning beam is at least within
One of at least one of base station beam #0～#7.Therefore, subscriber equipment 200 can be with base station 100
Carry out synchronizing and obtaining network system information.For as a example by Fig. 2, subscriber equipment 200 is able to receive that
By part scanning beam, i.e. the beam search signal that part in base station beam #0 to #7 is transmitted,
And perform wave beam to seek from base station beam #0～#7, determine that be used as data transmission at least one is scheduled
Wave beam.For example, after receiving three beam search signals of scanning beam #1～#3, Yong Hushe
It is to be best suitable for the wave beam for communicating that standby 200 meetings return base station beam #2 to base station 100, therefore in Fig. 2
Wave beam #2 can be dispatched for the data transmission continued in base station 100.It is to say, base station beam #2 is selected
Select as scheduled wave beam.Show at this " scheduled wave beam " vocabulary and be passed in the load region of frame
Wave beam, and scheduled wave beam can be scheduled and transmit for subscriber equipment 200 and base station 100 it
Between data transmission.Base station 100 and subscriber equipment 200 perform network first by scanning beam and step on
Record program, is then used by scheduled wave beam and connects to perform subscriber equipment, in order to use scheduled wave beam
Perform data packet transfer.Consequently, it is possible to data and control signal can be by using Wave beam forming
Technology is transmitted among the frequency band of millimeter wave, and network entry procedure also is able to by millimeter wave-wave
Restraint.
Fig. 3 A be according to depicted in the disclosure one exemplary embodiment by the Beamforming Method of base station operation
Flow chart.In step S310, in the network entry stage, processing circuit 120 can step on performing network
During record, by Q the base station beam as Q scanning beam, use the frame mark of M radio frame
Head transmits multiple periodic signal, wherein M 1 and Q 1.In an exemplary embodiment, according to using
Family equipment is used for the preferred scanning beam used when returning feedback, process circuit 120 it is known that
The position of subscriber equipment, thus scheduled wave beam can be dispatched to transmit packet.Consequently, it is possible to
Step S320, at subscriber equipment access phase, processing circuit 120 can be by from Q base station beam
When the scheduled wave beam selected performs subscriber equipment connection, individual by the Q as at least one scheduled wave beam
At least one of base station beam, uses the load region of M radio frame to carry out transceiving data packet.
On the other hand, Fig. 3 B be according to depicted in the disclosure one exemplary embodiment by user facility operation
The flow chart of Beamforming Method.In step S330, in the network entry stage, processing circuit 220 can
When performing network entry, by least one of Q the base station beam as Q scanning beam
At least one, use M radio frame at least one of frame header receive multiple week
Phase signal, wherein M 1 and Q 1.In step S340, set in network entry stage or user
Standby access phase, processing circuit 220 can determine Q scanning beam at least from Q base station beam
One of them is as at least one scheduled wave beam.Process circuit 220 (but not limit based on Signal characteristic measurement
In this), from base station beam, select scheduled wave beam.In step S350, connect rank at subscriber equipment
Section, processing circuit 220 can set performing user by the scheduled wave beam selected from Q base station beam
During standby connection, by least one scheduled wave beam, use at least one of negative of M radio frame
Carry district and carry out transceiving data packet.
Additionally, at subscriber equipment access phase, owing to subscriber equipment 200 can move in the cell, therefore
The base station beam that can be received by subscriber equipment 200, is can be along with the change in location of subscriber equipment 200
Dynamically change.It is to say, transmit to reach seamless data, it is used for switching scheduled wave beam
Beam tracking is necessary.In an exemplary embodiment, except using scanning beam in the network entry stage
Outside wave beam is sought, the scanning beam carrying beam search signal can be used as at subscriber equipment
Access phase switches in the beam tracking of scheduled wave beam.In other words, the user in movement is set
Standby, when transmitting packet, base station 100 and subscriber equipment 200 can come by scanning beam simultaneously
Perform beam tracking.
Fig. 4 is showing according to the frame structure for millimetre-wave attenuator depicted in the disclosure one exemplary embodiment
It is intended to.Radio frame 400 includes frame header 413, and frame header 413 is in radio frame 400
The initial segment.The frame header 413 transmitted by each scanning beam can the network of bearer network logging program
System information, beam search signal, cell search signal and downgoing control signal.For example, divide
Not Dui Yingyu the beam search signal of multiple scanning beams, can use the frame header of correspondence and by scanning ripple
Bundle transmission.In other words, the frame header corresponding with it by each scanning beam, cycle are understood in base station 100
Property ground transmission control signal and be associated with the system information of network entry procedure.Additionally, radio frame 400
Load region 414 be used in descending/transmitting uplink data, and according to base station and subscriber equipment
Position relatively, the scheduled wave beam being used for descending/transmitting uplink data can dynamically be distributed in radio
In the load region 414 of frame.
Saying further, frame header 413 includes downlink frame header 411 and uplink frame header 412, and
And the disclosure is not limiting as the configuration order of downlink frame header 411 and uplink frame header 412.In downlink frame
In header 411, wave beam is sought and network entry can be performed.More particularly, belonging to carrying
At least one beam search signal of wave beam identifier, can be by least one scan in downlink frame header 411
Wave beam and transmitted by base station.Subscriber equipment can detection beam search signal, and subscriber equipment can be by excellent
The scanning beam of choosing notifies the scanning beam that base station user equipment is positioned at.It is to say, base station can mat
Used the frame header of radio frame to transmit beam search signal by scanning beam, and subscriber equipment can
The frame header of radio frame is used to receive at least one beam search signal by least one scan wave beam.
In addition, in an exemplary embodiment, synchronizing signal or the reference signal of network entry procedure can
Downlink frame header 411 is used to transmit by scanning beam.In an exemplary embodiment, carry affiliated
The beam search signal of wave beam identifier can be by the synchronizing signal as network entry procedure, to detect the time
Deviation and frequency departure.In one embodiment, base station can use uplink frame header 412 and by scanning
Wave beam detection Stochastic accessing preamble (random access preamble), but the disclosure is not limited to this.One
Denier base station is sought at execution wave beam and is aware of the preferred ripple as data transmission after network entry procedure
Bundle, schedulable scheduled wave beam in base station also uses the load region 414 of radio frame 400 to transmit number subsequently
According to packet.
Fig. 5 is showing of the radio frame according to the Wave beam forming mechanism depicted in the disclosure one exemplary embodiment
It is intended to.Refer to Fig. 5, it is assumed that the Q that base station can produce in one cell towards different directions sweeps
Retouch wave beam, and Q above-mentioned scanning beam is assigned in M millimeter wqve radio frame by base station
Transmission.It is to say, each in M radio frame can be assigned to the N among Q scanning beam
Individual scanning beam (N=Q/M).Each in Q scanning beam can with every M radio frame periodically
Be passed, and scheduled wave beam is scheduled in the load region of M radio frame divide with transceiving data
Group.In detail, frame nfIncluding frame header and load region.N-thfIn the frame header of individual frame, scanning
Wave beam #0～# (N-1) carrying periodic signal (such as beam search signal, cell search signal etc.), descending
Control signal and network system information are passed continuously.N-thfIn the load region of individual frame, it is loaded with
The scheduled wave beam #Xn of packetfIt is passed.
Similarly, after m frame, n-thfAmong the frame header of+m frame, scanning beam #mN～
#N (m+1)-1 carrying periodic signal (such as beam search signal, cell search signal etc.), descending control
Signal and network system information are passed continuously.N-thfIn the load region of+m frame, it is loaded with number
Scheduled wave beam #Xn according to packetf+ m is passed.After M-1 frame, n-thf+ M-1 frame
Among frame header, carry the scanning beam of periodic signal, downgoing control signal and network system information
# (M-1) N～#NM-1 is passed continuously.N-thfAmong the load region of+M-1 frame, it is loaded with number
Scheduled wave beam #Xn according to packetf+ M-1 is passed.It is to say, be allocated in a frame header scanning
The quantity of wave beam is configurable, and this quantity is quantity Q by base station beam and the letter of periodic signal
The mark cycle, M determined.Table 1 is an example of configuration scanning beam.
Table 1
Additionally, except scanning beam can be distributed in M radio frame transmission, in a frame header
The scanning beam being passed can be distributed in the single subframe of frame header or to be distributed in frame header many
In individual subframe.At the configuration mode of concentrated, N number of scanning beam can be distributed in frame header continuously
Single uplink/downlink subframe in.On the other hand, at the configuration mode of decentralized, N number of scanning beam
Can be distributed in continuously in the multiple uplink/downlink subframes in frame header.Relatively concentrated and decentralized
Configuration mode, the configuration mode of concentrated can have for time shorter frame header.In addition, due to upper
The guard time (ns) of guard time (Millisecond) the relatively beam switchover of descending switching comes long, therefore
The configuration mode of concentrated has the guard time of shorter up-downgoing switching.
Fig. 6 A is the scanning in the frame header of the concentrated depicted in an exemplary embodiment according to the disclosure
The schematic diagram of beam allocation.Fig. 6 B is the frame of the decentralized depicted in an exemplary embodiment according to the disclosure
The schematic diagram of the scanning beam distribution in header.Refer to Fig. 6 A, it is assumed that base station can produce court in the cell
To 4 scanning beams (Q=4, scanning beam #0～#3) of 4 different directions, and base station is in single nothing
Single subframe of the frame header of line electricity frame is transmitted scanning beam #0 to #3 (M=1 and N=4).At Fig. 6 A
In, for n-thfIndividual frame, scanning beam #0 to the #3 carrying downstream signal is distributed in the same of frame header
In one subframe 61, and scanning beam #0 to the #3 carrying upward signal is distributed in frame header
In same subframe 62.
Refer to Fig. 6 B, similarly assume that base station can produce 4 towards 4 different directions in the cell
Scanning beam (Q=4, scanning beam #0～#3), and base station is frame header single of single wireless electricity frame
Individual subframe is transmitted scanning beam #0～#3 (M=1 and N=4).In fig. 6b, for n-thfIndividual frame, holds
Scanning beam #0～#3 being loaded with downstream signal is respectively allocated the different subframes 63,65,67 of frame header
In 69, and scanning beam #0 to the #3 carrying upward signal is respectively allocated frame header not
With in subframe 64,66,68 and 70.Refer to Fig. 6 A and Fig. 6 B, in order to transmit the negative of packet
Carry relatively load region 702, district 701 and come long.
Fig. 7 A is the scanning ripple in the frame header according to the concentrated depicted in the disclosure one exemplary embodiment
The schematic diagram of bundle distribution.Fig. 7 B is the frame header according to the decentralized depicted in the disclosure one exemplary embodiment
In scanning beam distribution schematic diagram.Refer to Fig. 7 A, it is assumed that base station can produce in the cell towards 4
4 scanning beams (Q=4, scanning beam #0～#3) of individual different directions, and base station is two different nothings
Two subframes of the frame header of line electricity frame are transmitted scanning beam #0～#3 (M=2 and N=2).In fig. 7,
For n-thfIndividual frame, scanning beam #0～#1 carrying downstream signal is distributed in the same of frame header
In subframe 71, and scanning beam #0～#1 carrying upward signal is distributed in the same of frame header
In individual subframe 72.For n-thf+ 1 frame, scanning beam #2～#3 carrying downstream signal is allocated
In the same subframe 73 of frame header, and scanning beam #2～#3 carrying upward signal is divided
It is assigned in the same subframe 74 of frame header.
Refer to Fig. 7 B, similarly assume that base station can produce 4 towards 4 different directions in the cell
Scanning beam (Q=4, scanning beam #0～#3), and base station is at the frame header of two different radio frames
Four subframes are transmitted scanning beam #0～#3 (M=2 and N=2).In figure 7b, for n-thfIndividual frame,
Scanning beam #0 to the #1 carrying downstream signal is respectively allocated the different subframes 75 and 77 of frame header
In, and scanning beam #0～#1 carrying upward signal be respectively allocated the different subframes of frame header
In 76 and 78.For n-thf+ 1 frame, scanning beam #2～#3 carrying downstream signal is divided respectively
It is fitted in the different subframes 79 and 81 of frame header, and carries scanning beam #2～#3 of upward signal
It is respectively allocated in the different subframes 80 and 82 of frame header.It is appreciated that at the frame of concentrated
The frame header of the relatively decentralized type of header comes short.But, in the transmission sequencing of scanning beam and frame under
The sequence of row/sub-frame of uplink is not limited to content of this disclosure.
Based on above-mentioned, by different scanning beams and frame header accordingly, base station can be periodically
Ground transmission beam search signal, cell search signal, system information and be associated with network entry procedure and
By control signal necessary to network entry procedure.Nevertheless, the packet transmission data segment of load region
Whether dispatch and all can come according to the communication requirement of subscriber equipment 200, channel standard and grid ability
Dynamically determine.
Fig. 8 is according to sending signal on scanning beam periodically depicted in the disclosure one exemplary embodiment
Schematic diagram.Refer to Fig. 8, include beam search signal (beam by the periodic signal of scanning beam transmission
Search signal, BSS) and cell search signal (cell search signal, CSS).Beam search is believed
Number correspond respectively to Q scanning beam, and each beam search signaling bearer has wave beam identifier.Scanning ripple
Bundle is relevant to different wave beam identifiers.Additionally, cell search signaling bearer has cell identifier.One
In exemplary embodiment, base station, by scanning beam, uses the frame header of correspondence to send beam search signal
And cell search signal.In fig. 8, scanning beam is transmitted in M radio frame, above-mentioned
M radio frame is n-thfIndividual frame is to n-thf+ M-1 frame.N-thfIndividual frame is to n-thfThe frame of+M-1 frame
Header includes the cell search signal carrying same cells identifier.Consequently, it is possible to cell search signal
Cycle be a frame.
In addition, n-thfThe frame header of individual frame carries to have and corresponds respectively to wave beam #0 to wave beam # (N-1)
N number of beam search signal of different beams identifier.N-thfThe frame header carrying of+m frame has point
Not Dui Yingyu wave beam # (mN) to wave beam # (N (m+1)-1) different beams identifier N number of beam search letter
Number.N-thfThe frame header of+M-1 frame carries to have and corresponds respectively to wave beam #N (M-1) to wave beam # (NM-1)
N number of beam search signal of different beams identifier.After M frame, n-thf+ M frame
The carrying of frame header has N number of ripple of the different beams identifier corresponding respectively to wave beam #0 to wave beam # (N-1)
Bundle search signal.It is to say, the cycle with the beam search signal of same beam identifier is M
Frame.
Must be noted that beam search signal can be by the subscriber equipment of at least one scan wave cover
Beam search, Frequency Synchronization and temporal information are provided.In addition, in an exemplary embodiment, base
Stand and subscriber equipment uses cell search signal to perform cell searching procedure.Carry same cells to know
The cell search signal not accorded with is distributed in the frame header of each of M radio frame.Such as exist
Master sync signal (primary synchronization signal, PSS) in LTE specification and subsynchronous letter
The cell search signal of number (secondary synchronization signal, SSS), it is possible to by scanning ripple
Bundle uses the frame header of a frame to send.Cell search signal can provide subscriber equipment cell search information.
In an exemplary embodiment, cell search signal also can provide Frequency Synchronization and temporal information simultaneously.Change
Sentence is talked about, and base station can periodically send control signal by the frame header of each scanning beam and correspondence
And it is relevant to the system information of network entry procedure.
Fig. 9 be according to depicted in the disclosure one exemplary embodiment by the Beamforming Method of base station operation
Flow chart.In step S910, base station 100 can use M radio by Q scanning beam
The frame header of frame transmits different beam search signals and cell search signal, wherein M 1 and
Q≧1.Furthermore, by transmitting different beam search signals and cell search signal, extremely
A few subscriber equipment can use M radio by Q the base station beam as Q scanning beam
The frame header of frame to synchronize with at least one base station (such as, base station 100).In step S920, base station 100
Network entry success message can be received, with from Q base station beam by one of them of Q scanning beam
In identify at least one scheduled wave beam.In step S930, base station 100 can by scheduled wave beam,
The load region using M radio frame is transmitted network entry and is terminated message.Step S910 described herein
Refer to base station 100 to S930 and use scanning beam and scheduled wave beam, perform wave beam seek and
The network entry stage of network entry procedure.
In step S940, base station 100 can by Q the base station beam as Q scanning beam,
The frame header using M radio frame transmits beam search signal.In step S950, base station 100
Can be when transceiving data be grouped, part or all of by Q scanning beam, use M radio frame
Frame header receive all or part of at least one signal measurement parameter being associated with Q base station beam,
To determine the scheduled wave beam in order to transceiving data packet, and dispatch scheduled wave beam.Signal measurement is joined
Number can be by measuring any downstream signal transmitted in frame header by base station, obtained reception letter
Number intensity index (received signal strength indicator, RSSI) or signal noise ratio
(signal-to-noise ratio, SNR), but the disclosure is not subject to the limits.In step S960, base station 100
Downstream arrangements (downlink can be transmitted by the scheduled wave beam selected from Q base station beam
Assignment) information or uplink authorization (uplink grant) information.In step S970, base station 100 can
Based on downstream arrangements information or uplink authorization information, carry out transceiving data packet by scheduled wave beam.At this
Described step S940 to S970 refer to base station 100 use scanning beam to perform beam tracking and
Use scheduled wave beam to perform the subscriber equipment access phase of data packet transfer.
Figure 10 be according to depicted in the disclosure one exemplary embodiment by the Wave beam forming of user facility operation
The flow chart of method.In step S1001, subscriber equipment 200 can be by as at least one scan wave beam
At least one of Q base station beam, use at least one of frame mark of M radio frame
Head receives different multiple beam search signals and a cell search signal, wherein M 1 and Q
≧1.In step S1002, subscriber equipment 200 can by least one of Q scanning beam,
At least one of frame header using M radio frame performs wave beam and seeks and synchronization.?
In step S1003, subscriber equipment 200 can be by one of them return network entry of Q scanning beam
Success message, so that base station 100 can identify scheduled wave beam from Q base station beam.In step
In S1004, subscriber equipment 200 can use one of them of M radio frame by scheduled wave beam
Load region receive network entry and terminate message.Step S1001 to S1004 described herein refers to
Subscriber equipment 200 uses scanning beam and scheduled wave beam to seek and network entry journey performing wave beam
The network entry stage of sequence.
In step S1005, subscriber equipment 200 can use M radio by Q scanning beam
The frame header of frame receives beam search signal.In step S1006, subscriber equipment 200 can measure pass
It is coupled at least one of at least one signal measurement parameter of Q base station beam.In step S1007,
Subscriber equipment 200 by least one of Q scanning beam, can use the frame of M radio frame
Header declares at customs at least one of at least one signal measurement parameter being coupled to Q base station beam back and forth, with
The scheduled wave beam that notice base station is grouped in order to transceiving data.In step S1008, subscriber equipment 200
Downstream arrangements information or uplink authorization letter can be received by the scheduled wave beam selected from Q base station beam
Breath.In step S1009, subscriber equipment 200 can be received based on downstream arrangements information or uplink authorization information
Send out packet.Step S1005 to S1009 described herein refers to subscriber equipment 200 and uses scanning
Wave beam performs beam tracking and uses scheduled wave beam to perform the subscriber equipment of data packet transfer even
Connect the stage.
In sum, base station and the subscriber equipment of the disclosure can be at least by base station periodically transmission
Scanning beam, performs wave beam and seeks and network entry procedure.Furthermore, dynamic by base station
The scheduled wave beam of transmission, base station and subscriber equipment can perform data packet transfer.Consequently, it is possible to this
Disclosed Beamforming Method can effectively manage wave beam and select most preferred wave beam for making data
Transmission.
Although the present invention is open as above with embodiment, so it is not limited to the present invention, this area skill
Art personnel, without departing from the spirit and scope of the present invention, when making a little change and retouching, therefore this
The protection domain of invention is when being as the criterion depending on appended claims confining spectrum.
Claims (36)
1. a Beamforming Method for millimetre-wave attenuator, is suitable to have the ability producing Q base station beam
Base station, it is characterised in that described Beamforming Method includes:
When performing network entry, by Q the base station beam as Q scanning beam, use M
The frame header of individual radio frame transmits multiple periodic signal, wherein M 1 and Q 1；And
Connect performing subscriber equipment by least one scheduled wave beam selected from described Q base station beam
Time, by least one of described Q the base station beam as described at least one scheduled wave beam,
Transceiving data packet is carried out in the load region using described M radio frame.
2. Beamforming Method as claimed in claim 1, also includes:
By one of them of described Q scanning beam, receive network entry success message, with from described
Q base station beam identify described at least one scheduled wave beam；And
By described scheduled wave beam, use the described load region of described M radio frame to transmit network
Log in and terminate message.
3. Beamforming Method as claimed in claim 1, wherein when performing described network entry, mat
By described Q the base station beam as described Q scanning beam, use described M radio frame
The step that described frame header transmits described periodic signal includes:
By described Q scanning beam, the described frame header of described M radio frame is used to be synchronized to
A few subscriber equipment.
4. Beamforming Method as claimed in claim 1, wherein said periodic signal includes correspondence respectively
In multiple beam search signals of described Q scanning beam, each described beam search signaling bearer wave beam is known
Do not accord with, and described scanning beam is associated with different wave beam identifiers.
5. Beamforming Method as claimed in claim 4, wherein said periodic signal includes cell search
Signal, and described cell search signaling bearer cell identifier.
6. Beamforming Method as claimed in claim 5, is wherein holding based on described Q scanning beam
During the described network entry of row, by described Q the base station beam as described Q scanning beam, use
The step that the described frame header of described M radio frame transmits described periodic signal includes:
Use described cell search signal to perform cell searching procedure, wherein carry identical described little
The described cell search signal of district's identifier is configured in the described frame header of each described M radio frame
In.
7. Beamforming Method as claimed in claim 4, also includes:
When receiving and dispatching described packet, by described Q scanning beam, use described M radio
The described frame header of frame transmits described beam search signal；And
When receiving and dispatching described packet, by least one of described Q scanning beam, use
The described frame header of described M radio frame receives and is associated with the part of described Q scanning beam or complete
At least one signal measurement parameter in portion, to determine the described scheduled wave beam being used for receiving and dispatching described packet,
And dispatch described scheduled wave beam.
8. Beamforming Method as claimed in claim 1, the most each described Q scanning beam is with every M
Individual radio frame is periodically passed, and from described Q base station beam select described at least once
Scheduling wave beam is scheduled to the described load region of described M the radio frame for receiving and dispatching described packet
In.
9. Beamforming Method as claimed in claim 1, wherein by from described Q base station beam
Select described at least one scheduled wave beam perform described subscriber equipment connect time, by as described at least
At least one of described Q the base station beam of one scheduled wave beam, uses described M radio frame
Described load region receive and dispatch the step of described packet and include:
By the described scheduled wave beam selected from described Q base station beam, transmit downstream arrangements
(downlink assignment) information or uplink authorization (uplink grant) information, descending to join based on described
Confidence breath or described uplink authorization information receive and dispatch described packet.
10. a base station, has the ability producing Q base station beam, it is characterised in that including:
Transmission circuit, is configured to transmission and receives the wireless signal of millimetre-wave attenuator；
Process circuit, be coupled to described transmission circuit, and be configured to:
When performing network entry, by described Q the base station beam as Q scanning beam, use
The frame header of M radio frame transmits multiple periodic signal, wherein M 1 and Q 1；And
Connect performing subscriber equipment by least one scheduled wave beam selected from described Q base station beam
Time, by least one of described Q the base station beam as described at least one scheduled wave beam,
Transceiving data packet is carried out in the load region using described M radio frame.
11. base stations as claimed in claim 10, wherein said process circuit be also configured to:
By one of them of described Q scanning beam, receive network entry success message, with from described
Q base station beam identify described at least one scheduled wave beam；And
By described scheduled wave beam, use the described load region of described M radio frame to transmit network
Log in and terminate message.
12. base stations as claimed in claim 10, wherein said process circuit be also configured to:
By described Q scanning beam, the described frame header of described M radio frame is used to be synchronized to
A few subscriber equipment.
13. base stations as claimed in claim 10, wherein said periodic signal includes corresponding respectively to described Q
Multiple beam search signals of individual scanning beam, each described beam search signaling bearer wave beam identifier, and
And described scanning beam is respectively associated in different wave beam identifiers.
14. base stations as claimed in claim 13, wherein said periodic signal includes cell search signal,
And described cell search signaling bearer cell identifier.
15. base stations as claimed in claim 14, wherein said process circuit be also configured to:
Use described cell search signal to perform cell searching procedure, wherein carry identical described little
The described cell search signal of district's identifier is configured in the described frame header of each described M radio frame
In.
16. base stations as claimed in claim 13, wherein said process circuit be also configured to:
When receiving and dispatching described packet, by described Q scanning beam, use described M radio
The described frame header of frame transmits described beam search signal；And
When receiving and dispatching described packet, part or all of by described Q scanning beam, use institute
State the described frame header of M radio frame to receive and be associated with the part or all of of described Q scanning beam
At least one signal measurement parameter, to determine to be used for receiving and dispatching the described scheduled wave beam of described packet,
And dispatch described scheduled wave beam.
17. base stations as claimed in claim 10, the most each described Q scanning beam is wireless with every M
Electricity frame period property be passed, and from described Q base station beam select described at least one scheduled ripple
Bundle is scheduled in the described load region of described M the radio frame for receiving and dispatching described packet.
18. base stations as claimed in claim 10, wherein said process circuit be also configured to:
By the described scheduled wave beam selected from described Q base station beam, transmit downstream arrangements
(downlink assignment) information or uplink authorization (uplink grant) information, descending to join based on described
Confidence breath or described uplink authorization information receive and dispatch described packet.
The Beamforming Method of 19. 1 kinds of millimetre-wave attenuators, it is adaptable to subscriber equipment, it is characterised in that institute
State Beamforming Method to include:
When performing network entry, by least one of Q the base station as Q scanning beam
At least one of wave beam, uses at least one of frame header of M radio frame to receive many
Individual periodic signal, wherein M 1 and Q 1；
From described Q base station beam, determine that at least one of described Q base station beam is as extremely
A few scheduled wave beam；And
Subscriber equipment is being performed by least one scheduled wave beam described in selecting from described Q base station beam
During connection, by described at least one scheduled wave beam, use described M radio frame at least within it
Transceiving data packet is carried out in the load region of.
20. Beamforming Methods as claimed in claim 19, also include:
By one of them of described Q scanning beam, return network entry success message, so that base station
Described scheduled wave beam is identified from described Q base station beam；And
By described scheduled wave beam, use the described load region of one of them of described M radio frame
Receive network entry and terminate message.
21. Beamforming Methods as claimed in claim 19, also include:
By at least one of described Q scanning beam, use described M radio frame wherein
One of described frame header, come carry out synchronize with base station.
22. Beamforming Methods as claimed in claim 19, it is the most right that wherein said periodic signal includes
Multiple beam search signals of Q scanning beam described in Ying Yu, each described beam search signaling bearer wave beam
Identifier, and described scanning beam is respectively associated in different wave beam identifiers.
23. Beamforming Methods as claimed in claim 22, wherein said periodic signal includes that community is searched
Seek signal, and described cell search signaling bearer cell identifier.
24. Beamforming Methods as claimed in claim 23, wherein when performing described network entry,
By at least one of described Q the base station beam as described Q scanning beam at least within
One of, use at least one of described frame header of described M radio frame to receive the described cycle
The step of signal includes:
Use described cell search signal to perform cell searching procedure, wherein carry identical described little
The described cell search signal of district's identifier is configured in the described frame header of each described M radio frame
In.
25. Beamforming Methods as claimed in claim 22, also include:
When receiving and dispatching described packet, by described Q scanning beam, use described M radio
The described frame header of frame receives described beam search signal；And
When receiving and dispatching described packet, part or all of by described Q scanning beam, use institute
State the described frame header of M radio frame to declare at customs back and forth and be coupled to the part or all of of described Q scanning beam
At least one signal measurement parameter, with notify described base station for receive and dispatch described packet described through adjust
Degree wave beam.
26. Beamforming Methods as claimed in claim 19, the most each described Q scanning beam is with often
M radio frame is periodically passed, and from described Q base station beam select described at least one
Scheduled wave beam is scheduled to the described load of described M the radio frame for receiving and dispatching described packet
Qu Zhong.
27. Beamforming Methods as claimed in claim 19, wherein by from described Q base station ripple
When the described at least one scheduled wave beam that bundle is selected performs the connection of described subscriber equipment, by described at least one
Scheduled wave beam, uses at least one of described load region of described M radio frame to receive and dispatch
The step stating packet includes:
By the described scheduled wave beam selected from described Q base station beam, receive downstream arrangements
(downlink assignment) information or uplink authorization (uplink grant) information, descending to join based on described
Confidence breath or described uplink authorization information receive and dispatch described packet.
28. 1 kinds of subscriber equipmenies, it is characterised in that including:
Transmission circuit, is configured to transmission and receives wireless signal；And
Process circuit, be coupled to described transmission circuit, and be configured to:
When performing network entry, by least one of Q the base station as Q scanning beam
At least one of wave beam, uses at least one of frame header of M radio frame to receive many
Individual periodic signal, wherein M 1 and Q 1；
From described Q base station beam, determine that at least one of described Q base station beam is as extremely
A few scheduled wave beam；And
Subscriber equipment is being performed by least one scheduled wave beam described in selecting from described Q base station beam
During connection, by described at least one scheduled wave beam, use described M radio frame at least within it
Transceiving data packet is carried out in the load region of.
29. subscriber equipmenies as claimed in claim 28, wherein said process circuit be also configured to:
By one of them of described Q scanning beam, return network entry success message, so that base station
Described scheduled wave beam is identified from described Q base station beam；And
By described scheduled wave beam, use the described load region of one of them of described M radio frame
Receive network entry and terminate message.
30. subscriber equipmenies as claimed in claim 28, wherein said process circuit be also configured to:
By at least one of described Q scanning beam, use described M radio frame wherein
One of described frame header, come carry out synchronize with base station.
31. subscriber equipmenies as claimed in claim 28, wherein said periodic signal includes corresponding respectively to
Multiple beam search signals of described Q scanning beam, each described beam search signaling bearer wave beam identification
Accord with, and described scanning beam is respectively associated in different wave beam identifiers.
32. subscriber equipmenies as claimed in claim 31, wherein said periodic signal includes that cell search is believed
Number, and described cell search signaling bearer cell identifier.
33. subscriber equipmenies as claimed in claim 32, wherein said process circuit be also configured to:
Use described cell search signal to perform cell searching procedure, wherein carry identical described little
The described cell search signal of district's identifier is configured in the described frame header of each described M radio frame
In.
34. subscriber equipmenies as claimed in claim 31, wherein said process circuit be also configured to:
When receiving and dispatching described packet, by described Q scanning beam, use described M radio
The described frame header of frame receives described beam search signal；And
When receiving and dispatching described packet, part or all of by described Q scanning beam, use institute
State the described frame header of M radio frame to declare at customs back and forth and be coupled to the part or all of of described Q scanning beam
At least one signal measurement parameter, with notify described base station for receive and dispatch described packet described through adjust
Degree wave beam.
35. subscriber equipmenies as claimed in claim 28, the most each described Q scanning beam is with every M
Radio frame is periodically passed, and from described Q base station beam select described at least once tune
Degree wave beam is scheduled to the described load region of described M the radio frame for receiving and dispatching described packet
In.
36. subscriber equipmenies as claimed in claim 28, wherein said process circuit be also configured to:
By the described scheduled wave beam selected from described Q base station beam, receive downstream arrangements
(downlink assignment) information or uplink authorization (uplink grant) information, descending to join based on described
Confidence breath or described uplink authorization information receive and dispatch described packet.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
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| US201562116931P | 2015-02-17 | 2015-02-17 | |
| US62/116,931 | 2015-02-17 | ||
| TW104143719 | 2015-12-25 | ||
| TW104143719A TWI596918B (en) | 2015-02-17 | 2015-12-25 | Beamforming method of millimeter wave communication and base station and user equipment using the same |
| US14/979,547 US10200093B2 (en) | 2015-02-17 | 2015-12-28 | Beamforming method of millimeter wave communication and base station and user equipment using the same |
| US14/979,547 | 2015-12-28 |
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| CN105897322A true CN105897322A (en) | 2016-08-24 |
| CN105897322B CN105897322B (en) | 2019-02-22 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712883A (en) * | 2016-11-04 | 2017-05-24 | 北京展讯高科通信技术有限公司 | Method and apparatus for realizing time synchronization, base station and user equipment |
| CN107172625A (en) * | 2017-05-08 | 2017-09-15 | 西安电子科技大学 | Packet-based millimetre-wave attenuator multi-beam scheduling method |
| CN107247253A (en) * | 2017-06-27 | 2017-10-13 | 中国电子科技集团公司第三十八研究所 | A kind of phased-array radar beam dispath information visuallization system and method |
| WO2018059128A1 (en) * | 2016-09-30 | 2018-04-05 | 中兴通讯股份有限公司 | Method and device for scanning and switching wave beam |
| CN107888311A (en) * | 2016-09-30 | 2018-04-06 | 华为技术有限公司 | Synchronization processing method, device and equipment |
| WO2018121540A1 (en) * | 2016-12-28 | 2018-07-05 | 华为技术有限公司 | Downlink beam adjustment method and device |
| CN108282838A (en) * | 2017-01-06 | 2018-07-13 | 维沃移动通信有限公司 | A kind of wave beam measurement method, source network side apparatus, user terminal and system |
| CN108366376A (en) * | 2017-01-26 | 2018-08-03 | 中国移动通信有限公司研究院 | A kind of beam sweeping method and base station |
| WO2018202017A1 (en) * | 2017-05-05 | 2018-11-08 | 华为技术有限公司 | Information transmission method and device |
| CN108811078A (en) * | 2017-05-04 | 2018-11-13 | 三星电子株式会社 | The device and method of multi-beam initial synchronisation for 5G-NR systems |
| CN108966352A (en) * | 2018-07-06 | 2018-12-07 | 北京邮电大学 | Dynamic beam dispatching method based on depth enhancing study |
| CN109150255A (en) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | A kind of wave beam matching process and communication equipment |
| CN109451785A (en) * | 2017-06-16 | 2019-03-08 | 联发科技股份有限公司 | The method for carrying out wave beam management and data transmission simultaneously in beam forming wireless system |
| CN110383941A (en) * | 2017-02-27 | 2019-10-25 | 艾尔文科学股份有限公司 | The millimetre-wave attenuator to break the barriers |
| CN111416647A (en) * | 2020-04-07 | 2020-07-14 | 北京邮电大学 | Beam tracking method, codebook generation method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511187A (en) * | 2009-09-14 | 2012-06-20 | 瑞典爱立信有限公司 | Using a subframe time offset when scheduling downlink data transmissions |
| CN103765792A (en) * | 2011-06-17 | 2014-04-30 | 三星电子株式会社 | Apparatus and method for supporting network entry in a millimeter-wave mobile broadband communication system |
| CN103988551A (en) * | 2011-12-08 | 2014-08-13 | 交互数字专利控股公司 | Method and apparatus for millimeter wave communication system |
| CN104079334A (en) * | 2009-10-06 | 2014-10-01 | 英特尔公司 | Millimeter-wave communication station and method for multiple-access beamforming in a millimeter-wave communication network |
| WO2014172306A3 (en) * | 2013-04-15 | 2015-01-22 | Interdigital Patent Holdings, Inc. | Discontinuous reception (drx) schemes for millimeter wavelength (mmw) dual connectivity |
-
2015
- 2015-12-31 CN CN201511027827.2A patent/CN105897322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511187A (en) * | 2009-09-14 | 2012-06-20 | 瑞典爱立信有限公司 | Using a subframe time offset when scheduling downlink data transmissions |
| CN104079334A (en) * | 2009-10-06 | 2014-10-01 | 英特尔公司 | Millimeter-wave communication station and method for multiple-access beamforming in a millimeter-wave communication network |
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