CN107872254A - A kind of method and apparatus in UE for Stochastic accessing, base station - Google Patents
A kind of method and apparatus in UE for Stochastic accessing, base station Download PDFInfo
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- CN107872254A CN107872254A CN201610856351.1A CN201610856351A CN107872254A CN 107872254 A CN107872254 A CN 107872254A CN 201610856351 A CN201610856351 A CN 201610856351A CN 107872254 A CN107872254 A CN 107872254A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000011664 signaling Effects 0.000 claims abstract description 298
- 230000001174 ascending effect Effects 0.000 claims abstract description 176
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 21
- 241000857212 Varanus nebulosus Species 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 108091006146 Channels Proteins 0.000 description 52
- 238000007493 shaping process Methods 0.000 description 15
- 239000013598 vector Substances 0.000 description 13
- 241000209094 Oryza Species 0.000 description 9
- 235000007164 Oryza sativa Nutrition 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 9
- 235000021186 dishes Nutrition 0.000 description 9
- 235000009566 rice Nutrition 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 239000000546 pharmaceutical excipient Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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Classifications
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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
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
- H04L1/0039—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver other detection of signalling, e.g. detection of TFCI explicit signalling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0045—Arrangements at the receiver end
- H04L1/0052—Realisations of complexity reduction techniques, e.g. pipelining or use of look-up tables
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- 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
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Abstract
The invention discloses the method and apparatus in a kind of UE for Stochastic accessing, base station.UE sends the first wireless signal in the first interface-free resources first；Receive the first signaling；Then the second signaling is monitored in very first time window；Or abandon monitoring second signaling in the very first time window.Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.First signaling is used for determining whether second signaling is sent in the very first time window.First interface-free resources are an interface-free resources in the first ascending resource pond, and the first ascending resource pond includes positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a characteristic sequence.The mark of second signaling associates with the mark of first interface-free resources.
Description
Technical field
The present invention relates to the RA in wireless communication system (Random Access, Stochastic accessing) scheme, more particularly to adopting
With the RA side in the wireless communication system of MIMO (Multiple Input Multiple Output, Multiinputoutput) technology
Case.
Background technology
Large scale (Massive) MIMO turns into a study hotspot of next generation mobile communication.It is multiple in large scale MIMO
Antenna forms narrower one certain party of beam position and always improves communication quality by beam shaping.Multi-antenna beam excipient
The wave beam of formation is typically narrow, and the partial channel knowledge that communicating pair needs to obtain other side just can make the beam position to be formed just
True direction.Before UE (User Equipment, user equipment) carries out RA, base station can not obtain UE channel information, because
This how to make RA processes benefit from large scale MIMO be one need research the problem of.
Traditional 3GPP (3rd Generation Partner Project, third generation cooperative partner program) LTE (Long
Term Evolution, Long Term Evolution) the RA processes (Contention Based RA Procedure) based on competition in system
Including four steps：UE sends random targeting sequencing (preamble) to base station；Base station sends RAR (Random Access to UE
Response, Stochastic accessing reply)；UE sends 2/ layer of 3 (Layer 2/Layer 3) information of layer to base station；Base station is sent to UE
Contention resolved (contention resolution) information.
The content of the invention
Inventor has found by studying, and before the RA procedure, UE can utilize some descending common signals (such as same
Walk signal, broadcast singal, reference signal etc.) partial channel knowledge is obtained, in the RA first step, by sending random leading sequence
Channel information is notified base station by row, therefore in RA second step and the 4th step, the channel information profit that base station just can be based on UE
RAR and contention resolved information are sent to UE with multi-antenna beam excipient, improves RA efficiency and quality.
Because different UE is likely to require different beam shaping vectors, but DCI corresponding to RAR in existing system
The signaling mark of (Downlink Control Information) signaling can not react its used beam shaping vector, because
This UE needs to monitor DCI corresponding to multiple beam shaping vectors, in some instances it may even be possible to needs to receive corresponding to multiple beam shaping vectors
RAR, although actually UE only needs to monitor DCI and RAR corresponding to the beam shaping vector related to oneself to receiving.This causes
The raising of UE processing complexities.
The present invention discloses a kind of scheme regarding to the issue above.It should be noted that in the case where not conflicting, the application
UE in embodiment and embodiment in feature may apply in base station, vice versa.Further, in the feelings not conflicted
Under condition, the feature in embodiments herein and embodiment can be arbitrarily mutually combined.
The invention discloses a kind of method in UE for Stochastic accessing, wherein, comprise the following steps：
- step A. sends the first wireless signal in the first interface-free resources；
- step B. receives the first signaling；
- step C. monitors the second signaling in very first time window；Or abandoned in the very first time window described in monitoring
Second signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.The first signaling quilt
For determining whether second signaling is sent in the very first time window.First interface-free resources are the first up money
An interface-free resources in the pond of source, the first ascending resource pond include positive integer interface-free resources.Eat dishes without rice or wine to provide described in one
Source includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources
Association.
As one embodiment, the UE voluntarily selects first interface-free resources from the first ascending resource pond.
As one embodiment, the characteristic sequence includes pseudo-random sequence.
As one embodiment, the characteristic sequence includes Zadoff-Chu sequence.
As one embodiment, the characteristic sequence includes CP (Cyclic Prefix, cyclic prefix).
As one embodiment, physical layer channel corresponding to the interface-free resources includes PRACH (Physical Random
Access CHannel, Physical Random Access Channel).
As one embodiment, the mark of first interface-free resources be used to generate second signaling
Mark.As a sub- embodiment, { the time-domain resource shared by first interface-free resources, shared by first interface-free resources
Frequency domain resource, the characteristic sequence shared by first interface-free resources } at least one of be used for determining it is described
The mark of second signaling.As a sub- embodiment, the mark of second signaling is used for determining { described second
The DMRS (DeModulation Reference Signal, demodulated reference signal) of signaling RS (Reference Signal,
Reference signal) sequence, the CRC (Cyclic Redundancy Check, CRC) of second signaling, described
At least one of the CRC of two signalings scrambler sequence, the running time-frequency resource shared by second signaling }.
As one embodiment, first wireless signal is as the feature sequence corresponding to first interface-free resources
Row modulation generation.
As one embodiment, the mark of second signaling and the mark of first interface-free resources are distinguished
It is nonnegative integer.
As one embodiment, first signaling is that cell is public.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
As one embodiment, first signaling is sent M times respectively in M time interval, and the M is more than 1.Make
For a sub- embodiment, first signaling is sent by different antenna port groups respectively in the M time interval, one
The antenna port group includes positive integer antenna port.As a sub- embodiment, the M is configurable.
In the above-described embodiments, the different antenna port groups can be pointed in different directions, and ensure that in different positions
The UE put can be properly received first signaling.
As one embodiment, the very first time window includes multiple sub- time windows, and the UE is in the multiple sub- time
Second signaling is monitored in window, or abandons in the multiple sub- time window monitoring second signaling.
It is described in the case where second signaling is sent not in the very first time window according to above-described embodiment
UE can be learnt by first signaling and can abandon monitoring second signaling in the multiple sub- time window, be reduced
The complexity of the UE
As one embodiment, physical layer channel corresponding to first signaling includes down physical layer control channel (i.e.
It is simply possible to use in the down channel of carrying Physical layer control information).As a sub- embodiment, first signaling is in PDCCH
Transmitted on (Physical Downlink Control Channel, Physical Downlink Control Channel).
As one embodiment, second signaling is DCI.
As one embodiment, physical layer channel corresponding to second signaling includes down physical layer control channel (i.e.
It is simply possible to use in the down channel of carrying Physical layer control information).As a sub- embodiment, second signaling is on PDCCH
Transmission.
As one embodiment, the different interface-free resources of any two are mutually orthogonal.Implement as a son
Example, the running time-frequency resource corresponding to the different interface-free resources of any two is mutually orthogonal, or the institute that any two is different
State interface-free resources and correspond to running time-frequency resource described in identical and the mutually orthogonal characteristic sequence.
As one embodiment, the ascending resource pond includes multiple chronomeres in time domain.Implement as a son
Example, the chronomere is the duration of an OFDM symbol.As a sub- embodiment, the multiple chronomere when
It is discontinuous on domain.As a sub- embodiment, the multiple chronomere is continuous in time domain.
As one embodiment, the ascending resource pond includes multiple cps on frequency domain, implements as a son
Example, the cps are the bandwidth that a subcarrier occupies.As a sub- embodiment, the multiple cps are in frequency domain
On be discontinuous.As a sub- embodiment, the multiple cps are continuous on frequency domain.
As one embodiment, it is Q's that the interface-free resources, which include a running time-frequency resource and a length,
The characteristic sequence, the running time-frequency resource include Q RU (Resource Unit, resource units), and the Q is positive integer.One
Modulation symbol is mapped in the Q RU after being multiplied by the characteristic sequence, i.e., described modulation symbol is eating dishes without rice or wine to provide described in one
Transmitted on source.As a sub- embodiment, the RU takes the duration of an OFDM symbol in time domain, and one is taken in frequency domain
Individual subcarrier.
As one embodiment, multiple different interface-free resources can be reflected by multiple different characteristic sequences
It is mapped on a running time-frequency resource.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step D. receives second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described
First running time-frequency resource.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
As one embodiment, physical layer channel corresponding to the second wireless singal includes down physical layer data channel
(down channel for carrying physical layer data can be used for).As a sub- embodiment, the second wireless singal is in PDSCH
Transmitted on (Physical Downlink Shared Channel, Physical Downlink Shared Channel).
As one embodiment, transmission channel corresponding to the second wireless singal is DL-SCH (DownLink Shared
Channel, DSCH Downlink Shared Channel).
As one embodiment, second signaling instruction first running time-frequency resource, the second wireless singal
MCS, the NDI of the second wireless singal, the RV of the second wireless singal, the HARQ process numbers of the second wireless singal }
At least one of.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A0. receives downlink information.
Wherein, the downlink information is used for determining { G antenna port group, G ascending resource pond, the G antenna end
At least one of corresponding relation between mouth group and the G ascending resource pond }.The first ascending resource pond is the G
One in individual ascending resource pond.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G
It is unrelated.
As one embodiment, the downlink information is that cell is public.
As one embodiment, the downlink information is indicated by high-level signaling.
As one embodiment, the downlink information is indicated by physical layer signaling.
As one embodiment, ascending resource pond is just in time domain described in any two in the G ascending resource pond
(i.e. not overlapping) handed over.
As one embodiment, ascending resource pond is just in frequency domain described in any two in the G ascending resource pond
(i.e. not overlapping) handed over.
As one embodiment, RU is not shared in ascending resource pond described in any two in the G ascending resource pond
(Resource Unit, resource units).The RU takes a subcarrier on frequency domain, and a broadband symbol is taken in time domain
Number duration.As a sub- embodiment, the duration of one wideband symbol is subcarrier corresponding to corresponding RU
Inverse.As a sub- embodiment, the wideband symbol is one in { OFDM symbol, SC-FDMA symbols, SCMA symbols }
Kind.
As one embodiment, ascending resource pond includes identical described in any two in the G ascending resource pond
(multiple) described characteristic sequence.
As one embodiment, ascending resource pond described in any two in the G ascending resource pond occupies identical
(multiple) RU and the mutually orthogonal characteristic sequence.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A1. receives descending RS (Reference Signal, reference signal).
Wherein, the descending RS includes G RS port, and the G RS ports are sent out by the G antenna port group respectively
Send, the G antenna port group and the G ascending resource pond correspond.The first ascending resource pond is on the G
One in row resource pool, and the antenna port group is first antenna port set corresponding to the first ascending resource pond.
As one embodiment, the descending RS is used to determining from the G antenna port group described the by the UE
One antenna port group.
As one embodiment, the quality of reception of the RS ports corresponding to the first antenna port set is higher than given day
The quality of reception of the RS ports corresponding to line port set, wherein the given antenna port group is the G antenna port group
In be not equal to the first antenna port set any one of antenna port group.
As a sub- embodiment of above-described embodiment, the quality of reception includes { RSRP (Reference Signal
Received Power, Reference Signal Received Power), RSRQ (Reference Signal Received Quality, reference
Signal receiving quality) } in it is one or two kinds of.
As one embodiment, the G RS ports are sent in different time intervals respectively.
As one embodiment, the antenna port group includes 1 antenna port.
As one embodiment, the antenna port number in the antenna port group is more than 1.
As one embodiment, the different antenna port group of any two can not be by the G antenna port group
It is assumed that identical.
As a sub- embodiment of above-described embodiment, the antenna port is to pass through antenna virtualization by more antennas
(Virtualization) be formed by stacking, the mapping coefficients of the more antennas to the antenna port form beam shaping to
Amount.Beam shaping vector corresponding to first antenna port and the second antenna port can not be assumed to be it is identical, wherein described
First antenna port is belonging respectively to the day that any two is different in the G antenna port group with second antenna port
Line port set.
As a sub- embodiment of above-described embodiment, the UE can not utilize any in the G antenna port group
Reference signal transmitted by two antenna port groups performs joint channel estimation.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling is transmitted on first carrier,
At least one of { second signaling, described first wireless signal } transmits on a second carrier.The first carrier and institute
It is orthogonal on frequency domain to state the second carrier wave.
As one embodiment, the centre frequency of the second carrier wave is lower described in the center frequency ratio of the first carrier.Make
For a sub- embodiment, the first carrier centre frequency is between 0.1GHz~3.5GHz.It is described as a sub- embodiment
The centre frequency of second carrier wave is more than or equal to 6GHz.
As one embodiment, the bandwidth of first carrier is wider described in the bandwidth ratio of second carrier wave.
As one embodiment, the descending RS is transmitted on second carrier wave.
As one embodiment, the downlink information transmits on the first carrier, and the downlink information is additionally operable to refer to
Show second carrier wave.
As one embodiment, the downlink information transmits on second carrier wave, and the downlink information is additionally operable to refer to
Show the first carrier.
As one embodiment, the fisrt feature sequence is transmitted on second carrier wave.
Specifically, according to an aspect of the present invention, it is characterised in that second signaling and first wireless signal
Sent respectively by the first antenna port set.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling indicates G1 ascending resource
Pond.If the first ascending resource pond belongs to the G1 ascending resource pond, the UE is monitored in the very first time window
Second signaling；Otherwise the UE abandons monitoring second signaling in the very first time window.Wherein described G1 is just
Integer.
As one embodiment, the G1 ascending resource pond belongs to the G ascending resource pond, the G1 be less than or
Equal to the G.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G1
It is unrelated.As a sub- embodiment, first signaling is sent out by different antenna port groups respectively in the M time interval
Send, an antenna port group includes positive integer antenna port.
In the above-described embodiments, the different antenna port groups can be pointed to using the different beam shaping vectors
Different directions, it ensure that the UE in different positions can be properly received first signaling.
As one embodiment, the very first time window includes G1 sub- time windows, and the UE is in the G1 sub- times
Second signaling is monitored in window, or abandons monitoring second signaling in the G1 sub- time windows.
As a sub- embodiment of above-described embodiment, the G1 sub- time windows and the G1 ascending resource pond are one by one
It is corresponding.First signaling is used for determining the G1 corresponding passes between sub- time window and the G1 ascending resource pond
System.
In above-mentioned sub- embodiment, the UE only need to be in the sub- time window corresponding to the first ascending resource pond
Second signaling is monitored, reduce further the complexity of the UE.
The invention discloses a kind of method in base station for Stochastic accessing, wherein, comprise the following steps：
- step A. receives the first wireless signal in the first interface-free resources；
- step B. sends the first signaling；
- step C. sends the second signaling in very first time window；Or abandoned in the very first time window described in transmission
Second signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.The first signaling quilt
For determining whether second signaling is sent in the very first time window.First interface-free resources are the first up money
An interface-free resources in the pond of source, the first ascending resource pond include positive integer interface-free resources.Eat dishes without rice or wine to provide described in one
Source includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources
Association.
As one embodiment, the characteristic sequence includes pseudo-random sequence.
As one embodiment, the characteristic sequence includes Zadoff-Chu sequence.
As one embodiment, the characteristic sequence includes CP (Cyclic Prefix, cyclic prefix).
As one embodiment, physical layer channel corresponding to the interface-free resources includes PRACH (Physical Random
Access CHannel, Physical Random Access Channel).
As one embodiment, the mark of first interface-free resources be used to generate second signaling
Mark.As a sub- embodiment, { the time-domain resource shared by first interface-free resources, shared by first interface-free resources
Frequency domain resource, the characteristic sequence shared by first interface-free resources } at least one of be used for determining it is described
The mark of second signaling.As a sub- embodiment, the mark of second signaling is used for determining { described second
The DMRS of signaling RS sequences, the CRC of second signaling, the CRC of second signaling scrambler sequence, second signaling
At least one of shared running time-frequency resource }.
As one embodiment, first wireless signal is as the feature sequence corresponding to first interface-free resources
Row modulation generation.
As one embodiment, the mark of second signaling and the mark of first interface-free resources are distinguished
It is nonnegative integer.
As one embodiment, first signaling is that cell is public.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
As one embodiment, first signaling is sent M times respectively in M time interval, and the M is more than 1.Make
For a sub- embodiment, first signaling is sent by different antenna port groups respectively in the M time interval, one
The antenna port group includes positive integer antenna port.As a sub- embodiment, the M is configurable.
In the above-described embodiments, the different antenna port groups can be pointed in different directions, and ensure that in different positions
The UE put can be properly received first signaling.
As one embodiment, the very first time window includes multiple sub- time windows, and the base station is in the multiple period of the day from 11 p.m. to 1 a.m
Between send second signaling in a sub- time window in window, or abandon in the multiple sub- time window sending institute
State the second signaling.
It is described in the case where second signaling is sent not in the very first time window according to above-described embodiment
Base station can signal the UE by described first and abandon monitoring second signaling in the multiple sub- time window, drop
The low complexity of the UE.
As one embodiment, physical layer channel corresponding to first signaling includes down physical layer control channel (i.e.
It is simply possible to use in the down channel of carrying Physical layer control information).As a sub- embodiment, first signaling is in PDCCH
Transmitted on (Physical Downlink Control Channel, Physical Downlink Control Channel).
As one embodiment, second signaling is DCI.
As one embodiment, physical layer channel corresponding to second signaling includes down physical layer control channel (i.e.
It is simply possible to use in the down channel of carrying Physical layer control information).As a sub- embodiment, second signaling is on PDCCH
Transmission.
As one embodiment, the different interface-free resources of any two are mutually orthogonal.Implement as a son
Example, the running time-frequency resource corresponding to the different interface-free resources of any two is mutually orthogonal, or the institute that any two is different
State interface-free resources and correspond to running time-frequency resource described in identical and the mutually orthogonal characteristic sequence.
As one embodiment, the ascending resource pond includes multiple chronomeres in time domain.Implement as a son
Example, the chronomere is the duration of an OFDM symbol.As a sub- embodiment, the multiple chronomere when
It is discontinuous on domain.As a sub- embodiment, the multiple chronomere is continuous in time domain.
As one embodiment, the ascending resource pond includes multiple cps on frequency domain, implements as a son
Example, the cps are the bandwidth that a subcarrier occupies.As a sub- embodiment, the multiple cps are in frequency domain
On be discontinuous.As a sub- embodiment, the multiple cps are continuous on frequency domain.
As one embodiment, it is Q's that the interface-free resources, which include a running time-frequency resource and a length,
The characteristic sequence, the running time-frequency resource include Q RU (Resource Unit, resource units), and the Q is positive integer.One
Modulation symbol is mapped in the Q RU after being multiplied by the characteristic sequence, i.e., described modulation symbol is eating dishes without rice or wine to provide described in one
Transmitted on source.As a sub- embodiment, the RU takes the duration of an OFDM symbol in time domain, and one is taken in frequency domain
Individual subcarrier.
As one embodiment, multiple different interface-free resources can be reflected by multiple different characteristic sequences
It is mapped on a running time-frequency resource.
Specifically, according to an aspect of the present invention, it is characterised in that also comprise the following steps：
- step D. sends second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described
First running time-frequency resource.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
As one embodiment, physical layer channel corresponding to the second wireless singal includes down physical layer data channel
(down channel for carrying physical layer data can be used for).As a sub- embodiment, the second wireless singal is in PDSCH
Transmitted on (Physical Downlink Shared Channel, Physical Downlink Shared Channel).
As one embodiment, transmission channel corresponding to the second wireless singal is DL-SCH (DownLink Shared
Channel, DSCH Downlink Shared Channel).
As one embodiment, second signaling instruction first running time-frequency resource, the second wireless singal
MCS, the NDI of the second wireless singal, the RV of the second wireless singal, the HARQ process numbers of the second wireless singal }
At least one of.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A0. sends downlink information.
Wherein, the downlink information is used for determining { G antenna port group, G ascending resource pond, the G antenna end
At least one of corresponding relation between mouth group and the G ascending resource pond }.The first ascending resource pond is the G
One in individual ascending resource pond.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G
It is unrelated.
As one embodiment, the downlink information is that cell is public.
As one embodiment, the downlink information is indicated by high-level signaling.
As one embodiment, the downlink information is indicated by physical layer signaling.
As one embodiment, ascending resource pond is just in time domain described in any two in the G ascending resource pond
(i.e. not overlapping) handed over.
As one embodiment, ascending resource pond is just in frequency domain described in any two in the G ascending resource pond
(i.e. not overlapping) handed over.
As one embodiment, RU is not shared in ascending resource pond described in any two in the G ascending resource pond
(Resource Unit, resource units).The RU takes a subcarrier on frequency domain, and a broadband symbol is taken in time domain
Number duration.As a sub- embodiment, the duration of one wideband symbol is subcarrier corresponding to corresponding RU
Inverse.As a sub- embodiment, the wideband symbol is one in { OFDM symbol, SC-FDMA symbols, SCMA symbols }
Kind.
As one embodiment, ascending resource pond includes identical described in any two in the G ascending resource pond
(multiple) described characteristic sequence.
As one embodiment, ascending resource pond described in any two in the G ascending resource pond occupies identical
RU and the mutually orthogonal characteristic sequence.
Specifically, according to an aspect of the present invention, it is characterised in that the step A also comprises the following steps：
- step A1. sends descending RS (Reference Signal, reference signal).
Wherein, the descending RS includes G RS port, and the G RS ports are sent out by the G antenna port group respectively
Send, the G antenna port group and the G ascending resource pond correspond.The first ascending resource pond is on the G
One in row resource pool, and the antenna port group is first antenna port set corresponding to the first ascending resource pond.
As one embodiment, the descending RS is used to determining from the G antenna port group described the by the UE
One antenna port group.
As one embodiment, the quality of reception of the RS ports corresponding to the first antenna port set is higher than given day
The quality of reception of the RS ports corresponding to line port set, wherein the given antenna port group is the G antenna port group
In be not equal to the first antenna port set any one of antenna port group.
As a sub- embodiment of above-described embodiment, the quality of reception includes { RSRP (Reference Signal
Received Power, Reference Signal Received Power), RSRQ (Reference Signal Received Quality, reference
Signal receiving quality) } in it is one or two kinds of.
As one embodiment, the antenna port group includes 1 antenna port.
As one embodiment, the antenna port number in the antenna port group is more than 1.
As one embodiment, the different antenna port group of any two can not be by the G antenna port group
It is assumed that identical.
As a sub- embodiment of above-described embodiment, the antenna port is to pass through antenna virtualization by more antennas
(Virtualization) be formed by stacking, the mapping coefficients of the more antennas to the antenna port form beam shaping to
Amount.Beam shaping vector corresponding to first antenna port and the second antenna port can not be assumed to be it is identical, wherein described
First antenna port is belonging respectively to the day that any two is different in the G antenna port group with second antenna port
Line port set.
As a sub- embodiment of above-described embodiment, the UE can not utilize any in the G antenna port group
Reference signal transmitted by two antenna port groups performs joint channel estimation.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling is transmitted on first carrier,
At least one of { second signaling, described first wireless signal } transmits on a second carrier.The first carrier and institute
It is orthogonal on frequency domain to state the second carrier wave.
As one embodiment, the centre frequency of the second carrier wave is lower described in the center frequency ratio of the first carrier.Make
For a sub- embodiment, the first carrier centre frequency is between 0.1GHz~3.5GHz.It is described as a sub- embodiment
The centre frequency of second carrier wave is more than or equal to 6GHz.
As one embodiment, the bandwidth of first carrier is wider described in the bandwidth ratio of second carrier wave.
As one embodiment, the descending RS is transmitted on second carrier wave.
As one embodiment, the downlink information transmits on the first carrier, and the downlink information is additionally operable to refer to
Show second carrier wave.
As one embodiment, the downlink information transmits on second carrier wave, and the downlink information is additionally operable to refer to
Show the first carrier.
As one embodiment, the fisrt feature sequence is transmitted on second carrier wave.
Specifically, according to an aspect of the present invention, it is characterised in that second signaling and first wireless signal
Sent respectively by the first antenna port set.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling indicates G1 ascending resource
Pond.If the first ascending resource pond belongs to the G1 ascending resource pond, the base station is sent out in the very first time window
Send second signaling；Otherwise the base station abandons sending second signaling in the very first time window.Wherein described G1
It is positive integer.
As one embodiment, the G1 ascending resource pond belongs to the G ascending resource pond, wherein the G1 is less than
Or equal to the G.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G1
It is unrelated.As a sub- embodiment, first signaling is sent out by different antenna port groups respectively in the M time interval
Send, an antenna port group includes positive integer antenna port.
In the above-described embodiments, the different antenna port groups can be pointed to using the different beam shaping vectors
Different directions, it ensure that the UE in different positions can be properly received first signaling.
As one embodiment, the very first time window includes G1 sub- time windows, and the base station is in the G1 period of the day from 11 p.m. to 1 a.m
Between send second signaling in a sub- time window in window, or abandon in the G1 sub- time windows sending institute
State the second signaling.
As a sub- embodiment of above-described embodiment, the G1 sub- time windows and the G1 ascending resource pond are one by one
It is corresponding.First signaling is used for determining the G1 corresponding passes between sub- time window and the G1 ascending resource pond
System.
The invention discloses a kind of user equipment for Stochastic accessing, wherein, including following module：
First processing module：For sending the first wireless signal in the first interface-free resources；
First receiving module：For receiving the first signaling；
Second receiving module：For monitoring the second signaling in very first time window；Or put in the very first time window
Abandon monitoring second signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.The first signaling quilt
For determining whether second signaling is sent in the very first time window.First interface-free resources are the first up money
An interface-free resources in the pond of source, the first ascending resource pond include positive integer interface-free resources.Eat dishes without rice or wine to provide described in one
Source includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources
Association.
As one embodiment, the UE voluntarily selects first interface-free resources from the first ascending resource pond.
As one embodiment, the characteristic sequence includes pseudo-random sequence.
As one embodiment, the characteristic sequence includes Zadoff-Chu sequence.
As one embodiment, the characteristic sequence includes CP (Cyclic Prefix, cyclic prefix).
As one embodiment, physical layer channel corresponding to the interface-free resources includes PRACH (Physical Random
Access CHannel, Physical Random Access Channel).
As one embodiment, the mark of first interface-free resources be used to generate second signaling
Mark.As a sub- embodiment, { the time-domain resource shared by first interface-free resources, shared by first interface-free resources
Frequency domain resource, the characteristic sequence shared by first interface-free resources } at least one of be used for determining it is described
The mark of second signaling.As a sub- embodiment, the mark of second signaling is used for determining { described second
The DMRS of signaling RS sequences, the CRC of second signaling, the CRC of second signaling scrambler sequence, second signaling
At least one of shared running time-frequency resource }.
As one embodiment, first signaling is that cell is public.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
As one embodiment, first signaling is sent M times respectively in M time interval, and the M is more than 1.Make
For a sub- embodiment, first signaling is sent by different antenna port groups respectively in the M time interval, one
The antenna port group includes positive integer antenna port.As a sub- embodiment, the M is configurable.
As one embodiment, the very first time window includes multiple sub- time windows, and second receiving module is described
Second signaling is monitored in multiple sub- time windows, or abandons in the multiple sub- time window monitoring second signaling.
As one embodiment, second signaling is DCI.
As one embodiment, the different interface-free resources of any two are mutually orthogonal.Implement as a son
Example, the running time-frequency resource corresponding to the different interface-free resources of any two is mutually orthogonal, or the institute that any two is different
State interface-free resources and correspond to running time-frequency resource described in identical and the mutually orthogonal characteristic sequence.
Specifically, above-mentioned user equipment, it is characterised in that the first processing module is additionally operable to receive downlink information.
Wherein, the downlink information is used for determining { G antenna port group, G ascending resource pond, the G antenna end
At least one of corresponding relation between mouth group and the G ascending resource pond }.The first ascending resource pond is the G
One in individual ascending resource pond.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G
It is unrelated.
As one embodiment, the downlink information is that cell is public.
Specifically, above-mentioned user equipment, it is characterised in that first processing module is additionally operable to receive descending RS (Reference
Signal, reference signal).
Wherein, the descending RS includes G RS port, and the G RS ports are sent out by the G antenna port group respectively
Send, the G antenna port group and the G ascending resource pond correspond.The first ascending resource pond is on the G
One in row resource pool, and the antenna port group is first antenna port set corresponding to the first ascending resource pond.
As one embodiment, the descending RS is used to determining from the G antenna port group described the by the UE
One antenna port group.
As one embodiment, the quality of reception of the RS ports corresponding to the first antenna port set is higher than given day
The quality of reception of the RS ports corresponding to line port set, wherein the given antenna port group is the G antenna port group
In be not equal to the first antenna port set any one of antenna port group.
As one embodiment, the different antenna port group of any two can not be by the G antenna port group
It is assumed that identical.
Specifically, above-mentioned user equipment, it is characterised in that first signaling is transmitted on first carrier, and { described second
Signaling, first wireless signal } at least one of transmit on a second carrier.The first carrier and second carrier wave
It is orthogonal on frequency domain.
As one embodiment, the centre frequency of the second carrier wave is lower described in the center frequency ratio of the first carrier.Make
For a sub- embodiment, the first carrier centre frequency is between 0.1GHz~3.5GHz.It is described as a sub- embodiment
The centre frequency of second carrier wave is more than or equal to 6GHz.
Specifically, above-mentioned user equipment, it is characterised in that second signaling and first wireless signal are respectively by institute
State the transmission of first antenna port set.
Specifically, above-mentioned user equipment, it is characterised in that first signaling indicates G1 ascending resource pond.If institute
State the first ascending resource pond and belong to the G1 ascending resource pond, second receiving module monitors in the very first time window
Second signaling；Otherwise second receiving module is abandoned monitoring second signaling in the very first time window.Wherein
The G1 is positive integer.
As one embodiment, the G1 ascending resource pond belongs to the G ascending resource pond, the G1 be less than or
Equal to the G.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G1
It is unrelated.
Specifically, above-mentioned user equipment, it is characterised in that also including following module：
3rd receiving module：For receiving second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described
First running time-frequency resource.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
As one embodiment, second signaling instruction first running time-frequency resource, the second wireless singal
MCS, the NDI of the second wireless singal, the RV of the second wireless singal, the HARQ process numbers of the second wireless singal }
At least one of.
The invention discloses a kind of base station equipment for Stochastic accessing, wherein, including following module：
Second processing module：For receiving the first wireless signal in the first interface-free resources；
First sending module：For sending the first signaling；
Second sending module：For sending the second signaling in very first time window；Or put in the very first time window
Abandon and send second signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.The first signaling quilt
For determining whether second signaling is sent in the very first time window.First interface-free resources are the first up money
An interface-free resources in the pond of source, the first ascending resource pond include positive integer interface-free resources.Eat dishes without rice or wine to provide described in one
Source includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources
Association.
As one embodiment, first signaling is that cell is public.
As one embodiment, second signaling is DCI.
Specifically, above-mentioned base station equipment, it is characterised in that the Second processing module is additionally operable to send downlink information.
Wherein, the downlink information is used for determining { G antenna port group, G ascending resource pond, the G antenna end
At least one of corresponding relation between mouth group and the G ascending resource pond }.The first ascending resource pond is the G
One in individual ascending resource pond.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G
It is unrelated.
As one embodiment, the downlink information is that cell is public.
Specifically, above-mentioned base station equipment, it is characterised in that the Second processing module is additionally operable to send descending RS
(Reference Signal, reference signal).
Wherein, the descending RS includes G RS port, and the G RS ports are sent out by the G antenna port group respectively
Send, the G antenna port group and the G ascending resource pond correspond.The first ascending resource pond is on the G
One in row resource pool, and the antenna port group is first antenna port set corresponding to the first ascending resource pond.
As one embodiment, the descending RS is used to determining from the G antenna port group described the by the UE
One antenna port group.
As one embodiment, the quality of reception of the RS ports corresponding to the first antenna port set is higher than given day
The quality of reception of the RS ports corresponding to line port set, wherein the given antenna port group is the G antenna port group
In be not equal to the first antenna port set any one of antenna port group.
As one embodiment, the different antenna port group of any two can not be by the G antenna port group
It is assumed that identical.
Specifically, above-mentioned base station equipment, it is characterised in that first signaling is transmitted on first carrier, and { described second
Signaling, first wireless signal } at least one of transmit on a second carrier.The first carrier and second carrier wave
It is orthogonal on frequency domain.
As one embodiment, the centre frequency of the second carrier wave is lower described in the center frequency ratio of the first carrier.Make
For a sub- embodiment, the first carrier centre frequency is between 0.1GHz~3.5GHz.It is described as a sub- embodiment
The centre frequency of second carrier wave is more than or equal to 6GHz.
Specifically, above-mentioned base station equipment, it is characterised in that second signaling and first wireless signal are respectively by institute
State the transmission of first antenna port set.
Specifically, above-mentioned base station equipment, it is characterised in that first signaling indicates G1 ascending resource pond.If institute
State the first ascending resource pond and belong to the G1 ascending resource pond, second sending module is sent in the very first time window
Second signaling；Otherwise second sending module is abandoned sending second signaling in the very first time window.Wherein
The G1 is positive integer.
As one embodiment, the G1 ascending resource pond belongs to the G ascending resource pond, wherein the G1 is less than
Or equal to the G.
As one embodiment, first signaling is sent M times respectively in M time interval, the M and the G1
It is unrelated.
Specifically, above-mentioned base station equipment, it is characterised in that also including following module：
3rd sending module：For sending second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described
First running time-frequency resource.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
As one embodiment, second signaling instruction first running time-frequency resource, the second wireless singal
MCS, the NDI of the second wireless singal, the RV of the second wireless singal, the HARQ process numbers of the second wireless singal }
At least one of.
Compared with traditional scheme, the present invention possesses following advantage：
- supports base station to send RAR and corresponding DCI using multi-antenna beam excipient, improve the efficiency of RA processes with
Reliability.
- indicates whether UE needs the DCI corresponding to monitoring RAR on very first time window using the first signaling, reduces UE
Complexity.
- base stations send the DCI for different UE using different beam shaping vectors on different sub- time windows, together
The signalings of Shi Liyong first come indicate some UE only monitoring DCI on sub- time window corresponding to its related beam shaping vector, enter
One step reduces UE complexity.
Brief description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, of the invention is other
Feature, objects and advantages will become more apparent：
Fig. 1 shows the flow chart according to an embodiment of the invention being wirelessly transferred；
Fig. 2 shows the schematic diagram of very first time window according to an embodiment of the invention；
Fig. 3 shows resource impact of the G ascending resource pond according to an embodiment of the invention on time-frequency domain
Schematic diagram；
Fig. 4 shows the schematic diagram of descending RS according to an embodiment of the invention resource impact；
Fig. 5 shows the structured flowchart of the processing unit according to an embodiment of the invention being used in UE；
Fig. 6 shows the structured flowchart of the processing unit according to an embodiment of the invention being used in base station；
Embodiment 1
Embodiment 1 illustrates the flow chart being wirelessly transferred, as shown in Figure 1.In accompanying drawing 1, base station N1 is UE U2 service
Cell maintains base station.In accompanying drawing 1, square frame F1, the step in square frame F2 and square frame F3 is optional respectively.
For N1, downlink information is sent in step S101；Descending RS is sent in step s 102；Exist in step s 11
The first wireless signal is received in first interface-free resources；The first signaling is sent in step s 12；In step s 103 in the very first time
The second signaling is sent in window；In step S104 second wireless singal is sent on the first running time-frequency resource.
For U2, downlink information is received in step s 201；Descending RS is received in step S202；Exist in the step s 21
The first wireless signal is sent in first interface-free resources；The first signaling is received in step S22；In the very first time in step S203
The second signaling is monitored in window；In step S204 second wireless singal is received on the first running time-frequency resource.
In embodiment 1, first signaling is physical layer signaling, and second signaling is physical layer signaling.Described
One signaling is used for determining whether second signaling is sent in the very first time window.First interface-free resources are
An interface-free resources in one ascending resource pond, the first ascending resource pond include positive integer interface-free resources.One institute
Stating interface-free resources includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and described first eats dishes without rice or wine to provide
The mark association in source, second signaling are used to determine first running time-frequency resource.The downlink information is used for determining { G
Individual antenna port group, G ascending resource pond, the corresponding pass between the G antenna port group and the G ascending resource pond
At least one of system }.The first ascending resource pond is one in the G ascending resource pond.The ascending resource pond
Including the positive integer interface-free resources, the G is positive integer.The descending RS includes G RS port, the G RS ports
Respectively transmitted by the G antenna port group, the G antenna port group and the G ascending resource pond correspond.With
The antenna port group is first antenna port set corresponding to the first ascending resource pond.
As the sub- embodiment 1 of embodiment 1, the UE voluntarily selects first sky from the first ascending resource pond
Mouth resource.
As the sub- embodiment 2 of embodiment 1, physical layer channel corresponding to the interface-free resources includes PRACH (Physical
Random Access CHannel, Physical Random Access Channel).
As the sub- embodiment 3 of embodiment 1, the mark of first interface-free resources be used to generate described
The mark of two signalings.As a sub- embodiment of the sub- embodiment 3 of embodiment 1, and shared by first interface-free resources when
Domain resource, the frequency domain resource shared by first interface-free resources, the characteristic sequence shared by first interface-free resources }
At least one of be used for determining the mark of second signaling.A son as the sub- embodiment 3 of embodiment 1 is real
Example is applied, the mark of second signaling is used for determining { DMRS of second signaling RS sequences, second signaling
CRC, the CRC of second signaling scrambler sequence, the running time-frequency resource shared by second signaling } at least one of.
As the sub- embodiment 4 of embodiment 1, first signaling is that cell is public.
As the sub- embodiment 5 of embodiment 1, first signaling is sent M times respectively in M time interval, the M
More than 1, the M and the G are unrelated.As a sub- embodiment of the sub- embodiment 5 of embodiment 1, first signaling is in institute
State in M time interval and sent respectively by different antenna port groups, an antenna port group includes positive integer day
Line end mouth.As a sub- embodiment of the sub- embodiment 5 of embodiment 1, the M is configurable.
As the sub- embodiment 6 of embodiment 1, second signaling is DCI.
As the sub- embodiment 7 of embodiment 1, the different interface-free resources of any two are mutually orthogonal.
As the sub- embodiment 8 of embodiment 1, the second wireless singal includes RAR (Random Access
Response, Stochastic accessing reply).
As the sub- embodiment 9 of embodiment 1, the downlink information is that cell is public.
As the sub- embodiment 10 of embodiment 1, the descending RS is used for from the G antenna port group really by the UE
The fixed first antenna port set.
As the sub- embodiment 11 of embodiment 1, the quality of reception of the RS ports corresponding to the first antenna port set
Higher than the quality of reception of the RS ports corresponding to given antenna port group, wherein the given antenna port group is the G
It is not equal to any one of antenna port group of the first antenna port set in antenna port group.
As a sub- embodiment of the sub- embodiment 11 of embodiment 1, the quality of reception includes { RSRP (Reference
Signal Received Power, Reference Signal Received Power), RSRQ (Reference Signal Received
Quality, Reference Signal Received Quality) } in it is one or two kinds of.
As the sub- embodiment 12 of embodiment 1, the different antenna port of any two in the G antenna port group
It is identical that group, which can not be assumed to be,.
As a sub- embodiment of the sub- embodiment 12 of embodiment 1, the antenna port is to pass through day by more antennas
Line virtualization (Virtualization) is formed by stacking, the mapping coefficient composition wave beam of the more antennas to the antenna port
Excipient vector.Beam shaping vector corresponding to first antenna port and the second antenna port can not be assumed to be it is identical, its
Described in second antenna port to be belonging respectively to any two in the G antenna port group different for first antenna port
The antenna port group.
As a sub- embodiment of the sub- embodiment 12 of embodiment 1, the UE can not utilize the G antenna port group
In any two described in reference signal transmitted by antenna port group perform joint channel estimation.
As the sub- embodiment 13 of embodiment 1, first signaling is transmitted on first carrier, { second signaling, institute
State the first wireless signal } at least one of transmit on a second carrier.The first carrier and second carrier wave are in frequency domain
On be orthogonal.
As a sub- embodiment of the sub- embodiment 13 of embodiment 1, described in the center frequency ratio of the first carrier
The centre frequency of nd carrier is lower.As a sub- embodiment, the first carrier centre frequency 0.1GHz~3.5GHz it
Between.As a sub- embodiment, the centre frequency of second carrier wave is more than or equal to 6GHz.
As the sub- embodiment 14 of embodiment 1, second signaling and first wireless signal are respectively by described first
Antenna port group is sent.
As the sub- embodiment 15 of embodiment 1, first signaling indicates G1 ascending resource pond.If on described first
Row resource pool belongs to the G1 ascending resource pond, and the UE monitors second signaling in the very first time window；Otherwise
The UE abandons monitoring second signaling in the very first time window.Wherein described G1 is positive integer.
As a sub- embodiment of the sub- embodiment 15 of embodiment 1, the G1 ascending resource pond belongs on the G
Row resource pool, the G1 are less than or equal to the G.
As a sub- embodiment of the sub- embodiment 15 of embodiment 1, the very first time window includes G1 sub- time windows,
The G1 sub- time windows and the G1 ascending resource pond correspond.First signaling is used for determining the G1 son
Corresponding relation between time window and the G1 ascending resource pond.
As a sub- embodiment of the sub- embodiment 15 of embodiment 1, first signaling is distinguished in M time interval
Sent M times, the M and the G1 are unrelated.
Embodiment 2
Embodiment 2 illustrates the schematic diagram of very first time window in the present invention, as shown in Figure 2.
In example 2, the very first time window occupies T continuous chronomeres in time domain, and the T is just whole
Number.The very first time window includes G1 sub- time windows, and the G1 is positive integer.The square frame of the bend of accompanying drawing 2 filling represents institute
State any one of sub- time window in G1 sub- time windows.
As the sub- embodiment 1 of embodiment 2, the chronomere is the duration of a wideband symbol, as implementation
The sub- embodiment of the sub- embodiment 1 of example 2, the wideband symbol are one in { OFDM symbol, SC-FDMA symbols, SCMA symbols }
Kind.
As the sub- embodiment 2 of embodiment 2, the sub- time window occupies T1 chronomere in time domain, and the T1 is
Positive integer less than or equal to T.
As a sub- embodiment of the sub- embodiment 2 of embodiment 2, the T1 chronomere is discontinuous.
As the sub- embodiment 3 of embodiment 2, the time-domain resource occupied by the different sub- time window of any two is mutual
It is not overlapping.
As the sub- embodiment 4 of embodiment 2, the G1 sub- time windows and G1 ascending resource pond correspond, and first
Signaling is used for determining the G1 corresponding relations between sub- time window and the G1 ascending resource pond.
Embodiment 3
Embodiment 3 illustrates the schematic diagram of resource impact of the G ascending resource pond on time-frequency domain in the present invention, such as accompanying drawing
Shown in 3.
In embodiment 3, an ascending resource pond includes positive integer interface-free resources.One interface-free resources
Including a running time-frequency resource and a characteristic sequence.In fig. 3, a grid with number designation is represented described in one
Running time-frequency resource, the running time-frequency resources of different labels is continuous on time-frequency domain or discontinuous distribution, as shown in Figure 3.
As the sub- embodiment 1 of embodiment 3, a running time-frequency resource includes Q RU (Resource Unit, resource list
Position), wherein the Q is positive integer, the RU takes a subcarrier on frequency domain, one wideband symbol of occupancy in time domain
Duration.As a sub- embodiment of the sub- embodiment 1 of embodiment 3, the duration of one wideband symbol is phase
Answer the inverse of subcarrier corresponding to RU.As a sub- embodiment of the sub- embodiment 1 of embodiment 3, the wideband symbol is
One kind in { OFDM symbol, SC-FDMA symbols, SCMA symbols }.
As the sub- embodiment 2 of embodiment 3, the ascending resource pond includes multiple running time-frequency resources.
As a sub- embodiment of the sub- embodiment 2 of embodiment 3, the multiple running time-frequency resource is not in time domain
Continuously, for example, the ascending resource pond includes the running time-frequency resource marked as { 1,2,9,10 }.
As a sub- embodiment of the sub- embodiment 2 of embodiment 3, the multiple running time-frequency resource is to connect in time domain
Continuous.For example, the ascending resource pond includes the running time-frequency resource marked as { 1,2,3,4 }.
As a sub- embodiment of the sub- embodiment 2 of embodiment 3, the multiple running time-frequency resource is not on frequency domain
Continuously.For example, the ascending resource pond includes the running time-frequency resource marked as { 1,2,17,18 }.
As a sub- embodiment of the sub- embodiment 2 of embodiment 3, the multiple running time-frequency resource is to connect on frequency domain
Continuous.For example, the ascending resource pond includes the running time-frequency resource marked as { 1,2,5,6 }.
As the sub- embodiment 3 of embodiment 3, ascending resource pond described in any two in the G ascending resource pond exists
Time domain is orthogonal (i.e. not overlapping).
As the sub- embodiment 4 of embodiment 3, ascending resource pond described in any two in the G ascending resource pond exists
Frequency domain is orthogonal (i.e. not overlapping).
As the sub- embodiment 5 of embodiment 3, ascending resource pond described in any two in the G ascending resource pond is not
Shared RU.The RU takes a subcarrier on frequency domain, and the duration of a wideband symbol is taken in time domain.
As the sub- embodiment 6 of embodiment 3, ascending resource Chi Bao described in any two in the G ascending resource pond
Include identical (multiple) described characteristic sequence.
As the sub- embodiment 7 of embodiment 3, ascending resource pond described in any two in the G ascending resource pond accounts for
According to identical RU and the mutually orthogonal characteristic sequence.
As the sub- embodiment 8 of embodiment 3, the characteristic sequence includes pseudo-random sequence.
As the sub- embodiment 9 of embodiment 3, the characteristic sequence includes Zadoff-Chu sequence.
As the sub- embodiment 10 of embodiment 3, the characteristic sequence includes CP (Cyclic Prefix, cyclic prefix).
As the sub- embodiment 11 of embodiment 3, multiple different interface-free resources can by it is multiple it is different described in
Characteristic sequence is mapped on a running time-frequency resource.
As the sub- embodiment 12 of embodiment 3, the different interface-free resources of any two are mutually orthogonal.As reality
Apply a sub- embodiment of the sub- embodiment 12 of example 3, the running time-frequency resource corresponding to the different interface-free resources of any two
It is mutually orthogonal, or the different interface-free resources of any two correspond to running time-frequency resource described in identical and mutually orthogonal described
Characteristic sequence.
Embodiment 4
Embodiment 4 illustrates the schematic diagram of descending RS resource impact in the present invention, as shown in Figure 4.
In example 4, the descending RS includes G RS port, and the G RS ports are respectively by G antenna port group
It is transmitted.One RS port occupies I continuous chronomeres in time domain, occupies W frequency list frequency domain was last
Position, the I and W are positive integer respectively.The different RS ports occupy I different chronomeres in time domain.In accompanying drawing 4
The grid of dot filling represents the RS ports #g, wherein 1≤g≤G.
As the sub- embodiment 1 of embodiment 4, the chronomere taken in time domain wideband symbol it is lasting when
Between.As a sub- embodiment of the sub- embodiment 1 of embodiment 4, the wideband symbol be OFDM symbol, SC-FDMA symbols,
SCMA symbols } in one kind.
As the sub- embodiment 2 of embodiment 4, the cps take a subcarrier on frequency domain.
As the sub- embodiment 3 of embodiment 4, the W cps occupied by a RS port are discontinuous
's.
As a sub- embodiment of the sub- embodiment 3 of embodiment 4, the W frequency occupied by a RS port
Rate unit occurs at equal intervals on frequency domain.
As a sub- embodiment of the sub- embodiment 3 of embodiment 4, a RS port is broadband (i.e. system band
Width is divided into positive integer frequency domain region, and a RS port occurs in all frequency domain regions in system bandwidth, the frequency
Bandwidth corresponding to the region of domain is equal to the difference of the frequency of the adjacent cps occurred twice in a RS port).
As the sub- embodiment 4 of embodiment 4, the I is equal to 1.
As the sub- embodiment 5 of embodiment 4, the I is more than 1.
As the sub- embodiment 6 of embodiment 4, the W is more than 1.
Embodiment 5
Embodiment 5 illustrates the structured flowchart for the processing unit in UE, as shown in Figure 5.
In accompanying drawing 5, UE devices 200 are mainly by first processing module 201, the first receiving module 202, the second receiving module
203 and the 3rd receiving module 204 form.
First processing module 201 is used to send the first wireless signal in the first interface-free resources；First receiving module 202 is used
In receiving the first signaling；Second receiving module 203 is used to monitor the second signaling in very first time window；3rd receiving module 204
For receiving second wireless singal on the first running time-frequency resource.
In embodiment 5, first signaling is physical layer signaling, and second signaling is physical layer signaling.Described
One signaling is used for determining whether second signaling is sent in the very first time window.First interface-free resources are
An interface-free resources in one ascending resource pond, the first ascending resource pond include positive integer interface-free resources.One institute
Stating interface-free resources includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and described first eats dishes without rice or wine to provide
The mark association in source.Second signaling is used to determine first running time-frequency resource.
As the sub- embodiment 1 of embodiment 5, the first processing module 201 is additionally operable to receive downlink information.Wherein, institute
Downlink information is stated to be used for determining { on G antenna port group, G ascending resource pond, the G antenna port group and the G
At least one of corresponding relation between row resource pool }.The first ascending resource pond is in the G ascending resource pond
One.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
As the sub- embodiment 2 of embodiment 5, the first processing module 201 is additionally operable to receive descending RS (Reference
Signal, reference signal).Wherein, the descending RS includes G RS port, and the G RS ports are respectively by the G antenna
Transmitted by port set, the G antenna port group and the G ascending resource pond correspond.The first ascending resource pond
It is one in the G ascending resource pond, and the antenna port group is first day corresponding to the first ascending resource pond
Line port set.
As the sub- embodiment 3 of embodiment 5, first signaling is transmitted on first carrier, { second signaling, institute
State the first wireless signal } at least one of transmit on a second carrier.The first carrier and second carrier wave are in frequency domain
On be orthogonal.
As the sub- embodiment 4 of embodiment 5, second signaling and first wireless signal are respectively by described first day
Line port set is sent.
As the sub- embodiment 5 of embodiment 5, first signaling indicates G1 ascending resource pond.If on described first
Row resource pool belongs to the G1 ascending resource pond, described in second receiving module 203 monitors in the very first time window
Second signaling；Otherwise second receiving module 203 is abandoned monitoring second signaling in the very first time window.Wherein institute
It is positive integer to state G1.
Embodiment 6
Embodiment 6 illustrates the structured flowchart for the processing unit in base station, as shown in Figure 6.
In accompanying drawing 6, base station apparatus 300 is mainly by Second processing module 301, the first sending module 302, the second sending module
303 and the 3rd sending module 304 form.
Second processing module 301 is used to receive the first wireless signal in the first interface-free resources；First sending module 302 is used
In sending the first signaling；Second sending module 303 is used to send the second signaling in very first time window；3rd sending module 304
For sending second wireless singal on the first running time-frequency resource.
In embodiment 6, first signaling is physical layer signaling, and second signaling is physical layer signaling.Described
One signaling is used for determining whether second signaling is sent in the very first time window.First interface-free resources are
An interface-free resources in one ascending resource pond, the first ascending resource pond include positive integer interface-free resources.One institute
Stating interface-free resources includes a running time-frequency resource and a characteristic sequence.The mark of second signaling and described first eats dishes without rice or wine to provide
The mark association in source.Second signaling is used to determine first running time-frequency resource.
As the sub- embodiment 1 of embodiment 6, the Second processing module 301 is additionally operable to send downlink information.Wherein, institute
Downlink information is stated to be used for determining { on G antenna port group, G ascending resource pond, the G antenna port group and the G
At least one of corresponding relation between row resource pool }.The first ascending resource pond is in the G ascending resource pond
One.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
As the sub- embodiment 2 of embodiment 6, the Second processing module 301 is additionally operable to send descending RS (Reference
Signal, reference signal).Wherein, the descending RS includes G RS port, and the G RS ports are respectively by the G antenna
Transmitted by port set, the G antenna port group and the G ascending resource pond correspond.The first ascending resource pond
It is one in the G ascending resource pond, and the antenna port group is first day corresponding to the first ascending resource pond
Line port set.
As the sub- embodiment 3 of embodiment 6, first signaling is transmitted on first carrier, { second signaling, institute
State the first wireless signal } at least one of transmit on a second carrier.The first carrier and second carrier wave are in frequency domain
On be orthogonal.
As the sub- embodiment 4 of embodiment 6, second signaling and first wireless signal are respectively by described first day
Line port set is sent.
As the sub- embodiment 5 of embodiment 6, first signaling indicates G1 ascending resource pond.If on described first
Row resource pool belongs to the G1 ascending resource pond, described in second sending module 303 is sent in the very first time window
Second signaling；Otherwise second sending module 303 is abandoned sending second signaling in the very first time window.Wherein institute
It is positive integer to state G1.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be referred to by program
Related hardware is made to complete, described program can be stored in computer-readable recording medium, such as read-only storage, hard disk or light
Disk etc..Optionally, all or part of step of above-described embodiment can also be realized using one or more integrated circuit.Phase
Answer, each modular unit in above-described embodiment, example, in hardware can be used to realize, can also be by the form of software function module
Realize, the application is not limited to the combination of the software and hardware of any particular form.UE or terminal in the present invention are included but not
It is limited to the Wireless Telecom Equipments such as mobile phone, tablet personal computer, notebook, card of surfing Internet, NB-IOT terminals, eMTC terminals.In the present invention
Base station or system equipment include but is not limited to the radio communications such as macrocell base stations, microcell base station, Home eNodeB, relay base station
Equipment.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification for being made, equivalent substitution, improve etc., it should be included in the protection of the present invention
Within the scope of.
Claims (18)
1. a kind of method in UE for Stochastic accessing, wherein, comprise the following steps：
- step A. sends the first wireless signal in the first interface-free resources；
- step B. receives the first signaling；
- step C. monitors the second signaling in very first time window；Or abandon monitoring described second in the very first time window
Signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.First signaling is used for
Determine whether second signaling is sent in the very first time window.First interface-free resources are the first ascending resource ponds
In an interface-free resources, the first ascending resource pond includes positive integer interface-free resources.One interface-free resources bag
Include a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources are closed
Connection.
2. according to the method for claim 1, it is characterised in that also comprise the following steps：
- step D. receives second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described first
Running time-frequency resource.
3. according to claim 1, the method described in 2, it is characterised in that the step A also comprises the following steps：
- step A0. receives downlink information.
Wherein, the downlink information is used for determining { G antenna port group, G ascending resource pond, the G antenna port group
At least one of corresponding relation between the G ascending resource pond }.The first ascending resource pond is on the G
One in row resource pool.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
4. according to claim 1, the method described in 2,3, it is characterised in that the step A also comprises the following steps：
- step A1. receives descending RS (Reference Signal, reference signal).
Wherein, the descending RS includes G RS port, the G RS ports respectively transmitted by the G antenna port group,
The G antenna port group and the G ascending resource pond correspond.The first ascending resource pond is the G up
One in resource pool, and the antenna port group is first antenna port set corresponding to the first ascending resource pond.
5. method according to claims 1 to 4, it is characterised in that first signaling is transmitted on first carrier, { institute
State the second signaling, first wireless signal } at least one of transmit on a second carrier.The first carrier and described
Nd carrier is orthogonal on frequency domain.
6. according to the method described in claim 1-5, it is characterised in that second signaling and first wireless signal difference
Sent by the first antenna port set.
7. according to the method described in claim 1-6, it is characterised in that first signaling indicates G1 ascending resource pond.Such as
First ascending resource pond described in fruit belongs to the G1 ascending resource pond, and the UE monitors described in the very first time window
Two signalings；Otherwise the UE abandons monitoring second signaling in the very first time window.Wherein described G1 is positive integer.
8. a kind of method in base station for Stochastic accessing, wherein, comprise the following steps：
- step A. receives the first wireless signal in the first interface-free resources；
- step B. sends the first signaling；
- step C. sends the second signaling in very first time window；Or abandon sending described second in the very first time window
Signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.First signaling is used for
Determine whether second signaling is sent in the very first time window.First interface-free resources are the first ascending resource ponds
In an interface-free resources, the first ascending resource pond includes positive integer interface-free resources.One interface-free resources bag
Include a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources are closed
Connection.
9. according to the method for claim 8, it is characterised in that also comprise the following steps：
- step D. sends second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described first
Running time-frequency resource.
10. according to claim 8, the method described in 9, it is characterised in that the step A also comprises the following steps：
- step A0. sends downlink information.
Wherein, the downlink information is used for determining { G antenna port group, G ascending resource pond, the G antenna port group
At least one of corresponding relation between the G ascending resource pond }.The first ascending resource pond is on the G
One in row resource pool.The ascending resource pond includes the positive integer interface-free resources.The G is positive integer.
11. according to claim 8, the method described in 9,10, it is characterised in that the step A also comprises the following steps：
- step A1. sends descending RS (Reference Signal, reference signal).
Wherein, the descending RS includes G RS port, the G RS ports respectively transmitted by the G antenna port group,
The G antenna port group and the G ascending resource pond correspond.The first ascending resource pond is the G up
One in resource pool, and the antenna port group is first antenna port set corresponding to the first ascending resource pond.
12. the method according to claim 8~11, it is characterised in that first signaling is transmitted on first carrier,
At least one of { second signaling, described first wireless signal } transmits on a second carrier.The first carrier and institute
It is orthogonal on frequency domain to state the second carrier wave.
13. according to the method described in claim 8-12, it is characterised in that second signaling and first wireless signal point
Do not sent by the first antenna port set.
14. according to the method described in claim 8-13, it is characterised in that first signaling indicates G1 ascending resource pond.
If the first ascending resource pond belongs to the G1 ascending resource pond, the base station sends institute in the very first time window
State the second signaling；Otherwise the base station abandons sending second signaling in the very first time window.Wherein described G1 is just
Integer.
15. a kind of user equipment for Stochastic accessing, wherein, including following module：
First processing module：For sending the first wireless signal in the first interface-free resources；
First receiving module：For receiving the first signaling；
Second receiving module：For monitoring the second signaling in very first time window；Or abandon supervising in the very first time window
Survey second signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.First signaling is used for
Determine whether second signaling is sent in the very first time window.First interface-free resources are the first ascending resource ponds
In an interface-free resources, the first ascending resource pond includes positive integer interface-free resources.One interface-free resources bag
Include a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources are closed
Connection.
16. user equipment according to claim 15, it is characterised in that also including following module：
3rd receiving module：For receiving second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described first
Running time-frequency resource.
17. a kind of base station equipment for Stochastic accessing, wherein, including following module：
Second processing module：For receiving the first wireless signal in the first interface-free resources；
First sending module：For sending the first signaling；
Second sending module：For sending the second signaling in very first time window；Or abandon sending out in the very first time window
Send second signaling.
Wherein, first signaling is physical layer signaling, and second signaling is physical layer signaling.First signaling is used for
Determine whether second signaling is sent in the very first time window.First interface-free resources are the first ascending resource ponds
In an interface-free resources, the first ascending resource pond includes positive integer interface-free resources.One interface-free resources bag
Include a running time-frequency resource and a characteristic sequence.The mark of second signaling and the mark of first interface-free resources are closed
Connection.
18. base station equipment according to claim 17, it is characterised in that also including following module：
3rd sending module：For sending second wireless singal on the first running time-frequency resource.
Wherein, second signaling is sent in the very first time window, and second signaling is used to determine described first
Running time-frequency resource.
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| CN202010236397.XA CN111465118A (en) | 2016-09-27 | 2016-09-27 | Method and device for UE (user equipment) and base station for random access |
| CN201610856351.1A CN107872254B (en) | 2016-09-27 | 2016-09-27 | Method and device for UE (user equipment) and base station for random access |
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| CN201610856351.1A CN107872254B (en) | 2016-09-27 | 2016-09-27 | Method and device for UE (user equipment) and base station for random access |
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| CN202010236397.XA Division CN111465118A (en) | 2016-09-27 | 2016-09-27 | Method and device for UE (user equipment) and base station for random access |
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| WO2020147086A1 (en) * | 2019-01-17 | 2020-07-23 | 华为技术有限公司 | Signal transmission method, related apparatus, and system |
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Also Published As
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| CN107872254B (en) | 2020-04-24 |
| CN111465118A (en) | 2020-07-28 |
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