CN107888238A - 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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- CN107888238A CN107888238A CN201610871153.2A CN201610871153A CN107888238A CN 107888238 A CN107888238 A CN 107888238A CN 201610871153 A CN201610871153 A CN 201610871153A CN 107888238 A CN107888238 A CN 107888238A
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- 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
-
- 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
- H04B7/0408—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more beams, i.e. beam diversity
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- 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
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- 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
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random 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
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
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；Then the first signaling is monitored in very first time window.Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, and the first ascending resource pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a characteristic sequence.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer.First signaling is physical layer signaling, and at least the latter in the mark of first signaling and { mark of first interface-free resources, index of the first ascending resource pond in the G ascending resource pond } is associated.RU in the G ascending resource pond at least shared by two ascending resource ponds has overlapping.The RU takes the duration of a wideband symbol in time domain, and a subcarrier is taken on frequency domain.
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 may need to receive RAR corresponding to multiple beam shaping vectors, although actually UE only needs reception related to oneself
RAR corresponding to beam shaping vector.Which results in 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. monitors the first signaling in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first up money
Source pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a feature sequence
Row.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource pond Zhong Bao
Include the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { described first
The mark of interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least the latter it is related
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
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, { mark of first interface-free resources, the first ascending resource pond is in institute
State the index in G ascending resource pond } at least the latter be used for the mark for generating first signaling.As one
Sub- embodiment, the marks of first interface-free resources include the time-domain resource shared by first interface-free resources, it is described
Frequency domain resource shared by first interface-free resources, the characteristic sequence shared by first interface-free resources } at least it
One.
The advantages of above method is, by first signaling mark and { described first eats dishes without rice or wine to provide
The mark in source, index of the first ascending resource pond in the G ascending resource pond } at least the latter between build
Vertical contact so that the UE can judge whether first signaling is to be directed to certainly by the mark of first signaling
Oneself, reduce the complexity of subsequent treatment.
As one embodiment, the mark of first signaling is used for determining { DMRS's of first signaling
RS sequences, the CRC of first signaling, the CRC of first signaling scrambler sequence, the time-frequency shared by first signaling
At least one of 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 first signaling and the mark of first interface-free resources are distinguished
It is nonnegative integer.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
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, the very first time window includes multiple sub- time windows, and the UE is in the multiple sub- time
First signaling is monitored in window.As a sub- embodiment, the monitoring refers to the reception based on blind Detecting, i.e., in each institute
State reception signal in sub- time window and perform decoded operation, judge to receive if determining that decoding is correct according to check bit into
Work(, otherwise judge reception failure.
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 a wideband 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, multiple different interface-free resources can be reflected by multiple different characteristic sequences
It is mapped on a running time-frequency resource.
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.The RU takes a subcarrier on frequency domain, and a broadband is taken in time domain
The duration of symbol.As a sub- embodiment, the duration of one wideband symbol is that son carries corresponding to corresponding RU
The inverse of ripple.As a sub- embodiment, the wideband symbol is one in { OFDM symbol, SC-FDMA symbols, SCMA symbols }
Kind.
Specifically, according to an aspect of the present invention, it is characterised in that the step B also comprises the following steps：
- step B1. receives second wireless singal.
Wherein, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared
Time-domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers } at least
One of.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
The advantages of above method is, by first signaling mark and { described first eats dishes without rice or wine to provide
The mark in source, index of the first ascending resource pond in the G ascending resource pond } at least the latter between build
Vertical contact so that the UE can identify second wireless communication for oneself by the mark of first signaling
Number, reduce the complexity of the reception to the second wireless singal.
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).
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；
- step A1. receives descending RS (Reference Signal, reference signal).
Wherein, the downlink information is used for determining { G antenna port group, the G ascending resource pond, G antenna end
At least one of corresponding relation between mouth group and the G ascending resource pond }.The ascending resource pond includes positive integer
The interface-free resources.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 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, 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.The beam shaping vector corresponding to first antenna port and the second antenna port can not be assumed to be it is identical, wherein
The first antenna port is belonging respectively to the institute that any two is different in the G antenna port group with second antenna port
State antenna port group.
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.
The advantages of above method, is, by being established between the G antenna port group and the G ascending resource pond
One-to-one relation, the UE can feed back the information of the first antenna port set by first interface-free resources.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling and the second wireless singal
Sent respectively by the first antenna port set.
The advantages of above method, is that the first antenna port set has highest to connect in the G antenna port group
Quality is received, the above method improves the transmitting efficiency and transmission reliability of first signaling and the second wireless singal.
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 in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first up money
Source pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a feature sequence
Row.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource pond Zhong Bao
Include the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { described first
The mark of interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least the latter it is related
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
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, { mark of first interface-free resources, the first ascending resource pond is in institute
State the index in G ascending resource pond } at least the latter be used for the mark for generating first signaling.As one
Sub- embodiment, the marks of first interface-free resources include the time-domain resource shared by first interface-free resources, it is described
Frequency domain resource shared by first interface-free resources, the characteristic sequence shared by first interface-free resources } at least it
One.
The advantages of above method is, by first signaling mark and { described first eats dishes without rice or wine to provide
The mark in source, index of the first ascending resource pond in the G ascending resource pond } at least the latter between build
Vertical contact so that the UE can judge whether first signaling is to be directed to certainly by the mark of first signaling
Oneself, reduce the complexity of subsequent treatment.
As one embodiment, the mark of first signaling is used for determining { DMRS's of first signaling
RS sequences, the CRC of first signaling, the CRC of first signaling scrambler sequence, the time-frequency shared by first signaling
At least one of 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 first signaling and the mark of first interface-free resources are distinguished
It is nonnegative integer.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
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, 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 first signaling in a sub- time window in window.
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 a wideband 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, multiple different interface-free resources can be reflected by multiple different characteristic sequences
It is mapped on a running time-frequency resource.
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.The RU takes a subcarrier on frequency domain, and a broadband is taken in time domain
The duration of symbol.As a sub- embodiment, the duration of one wideband symbol is that son carries corresponding to corresponding RU
The inverse of ripple.As a sub- embodiment, the wideband symbol is one in { OFDM symbol, SC-FDMA symbols, SCMA symbols }
Kind.
Specifically, according to an aspect of the present invention, it is characterised in that the step B also comprises the following steps：
- step B1. sends second wireless singal.
Wherein, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared
Time-domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers } at least
One of.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
The advantages of above method is, by first signaling mark and { described first eats dishes without rice or wine to provide
The mark in source, index of the first ascending resource pond in the G ascending resource pond } at least the latter between build
Vertical contact so that the UE can identify second wireless communication for oneself by the mark of first signaling
Number, reduce the complexity of the reception to the second wireless singal.
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).
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；
- step A1. sends descending RS (Reference Signal, reference signal).
Wherein, the downlink information is used for determining { G antenna port group, the G ascending resource pond, G antenna end
At least one of corresponding relation between mouth group and the G ascending resource pond }.The ascending resource pond includes positive integer
The interface-free resources.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 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, 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.The beam shaping vector corresponding to first antenna port and the second antenna port can not be assumed to be it is identical, wherein
The first antenna port is belonging respectively to the institute that any two is different in the G antenna port group with second antenna port
State antenna port group.
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.
The advantages of above method, is, by being established between the G antenna port group and the G ascending resource pond
One-to-one relation, the base station can obtain the information of the first antenna port set by first interface-free resources.
Specifically, according to an aspect of the present invention, it is characterised in that first signaling and the second wireless singal
Sent respectively by the first antenna port set.
The advantages of above method, is that the first antenna port set has highest in the G antenna port group
The quality of reception, the above method improve the transmitting efficiency and transmission reliability of first signaling and the second wireless singal.
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 monitoring the first signaling in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first up money
Source pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a feature sequence
Row.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource pond Zhong Bao
Include the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { described first
The mark of interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least the latter it is related
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
As one embodiment, the first processing module be used to voluntarily select institute from the first ascending resource pond
State the first interface-free resources.
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, { mark of first interface-free resources, the first ascending resource pond is in institute
State the index in G ascending resource pond } at least the latter be used for the mark for generating first signaling.As one
Sub- embodiment, the marks of first interface-free resources include the time-domain resource shared by first interface-free resources, it is described
Frequency domain resource shared by first interface-free resources, the characteristic sequence shared by first interface-free resources } at least it
One.
As one embodiment, first signaling is DCI (Downlink Control Information, descending control
Information processed).
As one embodiment, the very first time window includes multiple sub- time windows, and first receiving module is used for
First signaling is monitored in the multiple sub- time window.As a sub- embodiment, the monitoring refers to be based on blind Detecting
Reception, i.e., reception signal and decoded operation is performed in each sub- time window, if determining to decode according to check bit
Correct then judgement receives successfully, otherwise judges reception failure.
Specifically, above-mentioned user equipment, it is characterised in that first receiving module is additionally operable to receive the second wireless communication
Number.Wherein, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared
Time-domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers } at least it
One.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
Specifically, above-mentioned user equipment, it is characterised in that the first processing module is additionally operable to receive downlink information with
Row RS (Reference Signal, reference signal).Wherein, the downlink information is used for determining { G antenna port group, institute
At least one of state G ascending resource pond, the corresponding relation between G antenna port group and the G ascending resource pond }.
The ascending resource pond includes the positive integer interface-free resources.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.Institute
It is one in the G ascending resource pond to state the first ascending resource pond, and the day corresponding to the first ascending resource pond
Line port set is first antenna port set.
As one embodiment, the descending RS be used to determine the first antenna from the G antenna port group
Port set.
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 G RS ports are sent in different time intervals respectively.
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 and the second wireless singal are respectively by institute
State the transmission of first antenna port set.
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 in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first up money
Source pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a feature sequence
Row.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource pond Zhong Bao
Include the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { described first
The mark of interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least the latter it is related
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
As one embodiment, the characteristic sequence includes pseudo-random sequence.
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, first signaling is DCI (Downlink Control Information, descending control
Information processed).
As one embodiment, the very first time window includes multiple sub- time windows, and first sending module is used for
First signaling is sent in a sub- time window in the multiple sub- time window.
Specifically, above-mentioned base station equipment, it is characterised in that first sending module is additionally operable to send the second wireless communication
Number.Wherein, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared
Time-domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers } at least it
One.
As one embodiment, the second wireless singal includes RAR, and (Random Access Response, connect at random
Enter to reply).
Specifically, above-mentioned base station equipment, it is characterised in that the Second processing module is additionally operable to send downlink information with
Row RS (Reference Signal, reference signal).Wherein, the downlink information is used for determining { G antenna port group, institute
At least one of state G ascending resource pond, the corresponding relation between G antenna port group and the G ascending resource pond }.
The ascending resource pond includes the positive integer interface-free resources.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.Institute
It is one in the G ascending resource pond to state the first ascending resource pond, and the day corresponding to the first ascending resource pond
Line port set is first antenna port set.
As one embodiment, the descending RS be used to determine the first antenna from the G antenna port group
Port set.
As one embodiment, the G RS ports are sent in different time intervals respectively.
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 and the second wireless singal are respectively by institute
State the transmission of first antenna port set.
Compared with traditional scheme, the present invention possesses following advantage：
- can be passed through by establishing one-to-one relation, base station between G antenna port group and G ascending resource pond
First interface-free resources obtain the information of the quality of reception highest antenna port group for each UE, so as to using multiple antennas
Beam shaping sends RAR and corresponding DCI, improves the efficiency and reliability of RA processes.
- base stations send the RAR for different UE using different beam shaping vectors in different time intervals, together
Shi Liyong DCI mark is vectorial to distinguish different beams excipient so that UE need to only receive the beam shaping vector related to oneself
Corresponding RAR, without receive and oneself unrelated beam shaping vector corresponding to RAR, reduce UE processing 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 pass between G antenna port group according to an embodiment of the invention and G ascending resource pond
System, and the schematic diagram of resource impact of first signaling in very first time window；
Fig. 6 shows the first interface-free resources according to an embodiment of the invention reflecting in the first ascending resource pond
Penetrate, and the mark of the first signaling with { mark of first interface-free resources, the first ascending resource pond is in G up moneys
Index in the pond of source } between relation schematic diagram；
Fig. 7 shows the structured flowchart of the processing unit according to an embodiment of the invention being used in UE；
Fig. 8 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, the step in square frame F1 and square frame F2 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 very first time window in step s 12；In step
Second wireless singal is sent in S13.
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 monitored in very first time window in step S22；In step
Second wireless singal is received in S23.
In embodiment 1, first interface-free resources are an interface-free resources in the first ascending resource pond, described first
Ascending resource pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and one
Characteristic sequence.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource
Pond includes the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { institute
State the mark of the first interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least after
Person is associated.In the G ascending resource pond at least shared by two ascending resource ponds RU (Resource Unit,
Resource units) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and one is taken on frequency domain
Subcarrier.First signaling includes the schedule information of the second wireless singal, and the schedule information is included { when shared
At least one of domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers }.
The downlink information is used for determining { G antenna port group, the G ascending resource pond, G antenna port group and the G
At least one of corresponding relation between ascending resource pond }.The descending RS includes G RS port, the G RS ports point
Not transmitted by the G antenna port group, the G antenna port group and the G ascending resource pond correspond, and institute
It is first antenna port set to state the antenna port group 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, first signaling is DCI (Downlink Control
Information, Downlink Control Information).
As the sub- embodiment 4 of embodiment 1, the second wireless singal includes RAR (Random Access
Response, Stochastic accessing reply).
As the sub- embodiment 5 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 6 of embodiment 1, the quality of reception of the RS ports corresponding to the first antenna port set is high
The quality of reception in the RS ports corresponding to given antenna port group, wherein the given antenna port group is the G day
It is not equal to any one of antenna port group of the first antenna port set in line port set.
As the sub- embodiment 7 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 the sub- embodiment 8 of embodiment 1, first signaling and the second wireless singal are respectively by described first day
Line port set is sent.
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.The square frame of the bend of accompanying drawing 2 filling is represented in the G1 sub- time window
Any one of sub- time window.
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 multiple chronomeres in time domain.
It is the multiple occupied by a sub- time window as a sub- embodiment of the sub- embodiment 2 of embodiment 2
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, in the G1 sub- time windows occupied by least two sub- time windows
The number of chronomere be different.
As the sub- embodiment 5 of embodiment 2, UE monitors the first signaling in the G1 sub- time windows.
As the sub- embodiment 6 of embodiment 2, base station is sent out in a sub- time window in the G1 sub- time windows
Send the first signaling.
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, at least two ascending resource pond institutes in the G ascending resource pond
The RU of occupancy has overlapping.
As the sub- embodiment 4 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 5 of embodiment 3, the characteristic sequence includes pseudo-random sequence.
As the sub- embodiment 6 of embodiment 3, the characteristic sequence includes Zadoff-Chu sequence.
As the sub- embodiment 7 of embodiment 3, the characteristic sequence includes CP (Cyclic Prefix, cyclic prefix).
As the sub- embodiment 8 of embodiment 3, multiple different interface-free resources can pass through multiple different spies
Sequence mapping is levied to a running time-frequency resource.
As the sub- embodiment 9 of embodiment 3, the different interface-free resources of any two are mutually orthogonal.As reality
Apply a sub- embodiment of the sub- embodiment 9 of example 3, the running time-frequency resource phase 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 the mutually orthogonal spy
Levy 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 relation between G antenna port group and G ascending resource pond in the present invention, and first
The schematic diagram of resource impact of the signaling in very first time window, as shown in Figure 5.
In embodiment 5, the G antenna port group and the G ascending resource pond correspond, and the G is just whole
Number.First ascending resource pond is one in the G ascending resource pond, and the day corresponding to the first ascending resource pond
Line port set is first antenna port set.The very first time window includes G1 sub- time windows, and the G1 is less than or equal to G
Positive integer.The G1 sub- time windows and G1 ascending resource pond correspond, and the G1 ascending resource pond belongs to the G
Individual ascending resource pond, the first ascending resource pond belong to the G1 ascending resource pond.With the first ascending resource pond pair
The sub- time window answered is the first sub- time window, and first signaling is sent in the described first sub- time window.
As the sub- embodiment 1 of embodiment 5, an antenna port group includes one or more antenna port.
As the sub- embodiment 2 of embodiment 5, 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 2 of embodiment 5, the antenna port is to pass through antenna by more antennas
Virtualization (Virtualization) is formed by stacking, and the mapping coefficient composition wave beam of the more antennas to the antenna port is assigned
Type vector.The beam shaping vector corresponding to first antenna port and the second antenna port can not be assumed to be it is identical,
It is different that wherein described first antenna port and second antenna port are belonging respectively to any two in the G antenna port group
The antenna port group.
As a sub- embodiment of the sub- embodiment 2 of embodiment 5, any two institute in the G antenna port group
Stating the reference signal transmitted by antenna port group can not be used to perform joint channel estimation.
As the sub- embodiment 3 of embodiment 5, G RS port is respectively by the G antenna port group between the different time
Every upper transmission.
As a sub- embodiment of the sub- embodiment 3 of embodiment 5, the G RS ports are used for from the G antenna
The first antenna port set is determined in port set.The quality of reception of the RS ports corresponding to the first antenna port set is high
The quality of reception in the RS ports corresponding to given antenna port group, wherein the given antenna port group is the G day
It is not equal to any one of antenna port group of the first antenna port set in line port set.As a sub- embodiment,
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 4 of embodiment 5, first signaling is in the described first sub- time window by the first antenna
Port set is sent.
Embodiment 6
Embodiment 6 illustrates mapping of first interface-free resources in the first ascending resource pond in the present invention, and the first letter
The mark of order and { mark of first interface-free resources, index of the first ascending resource pond in G ascending resource pond }
Between relation schematic diagram, as shown in Figure 6.
In embodiment 6, the first ascending resource pond includes positive integer interface-free resources.One interface-free resources
Including a running time-frequency resource and a characteristic sequence.A square frame in accompanying drawing 6 represents a running time-frequency resource.Described
One ascending resource pond includes multiple running time-frequency resources, and the multiple running time-frequency resource is continuous on time-frequency domain or non-company
Continuous difference, as shown in Figure 6.First interface-free resources are the interface-free resources in the first ascending resource pond.
The running time-frequency resource corresponding to first interface-free resources is represented by the square frame of heavy line frame in accompanying drawing 6.Described first is up
Resource pool is one in G ascending resource pond, and the G is positive integer.The mark of first signaling and { described first
The mark of interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least the latter
It is associated.
As the sub- embodiment 1 of embodiment 6, { mark of first interface-free resources, the first up money
Index of the source pond in the G ascending resource pond } at least the latter be used for the mark for generating first signaling.
For a sub- embodiment of the sub- embodiment 1 of embodiment 6, the mark of first interface-free resources includes { institute
The time-domain resource shared by the first interface-free resources is stated, the frequency domain resource shared by first interface-free resources, described first eats dishes without rice or wine
At least one of the characteristic sequence shared by resource }.
As a sub- embodiment of the sub- embodiment 1 of embodiment 6, the mark of first signaling be id_1,
Id_2 } function, wherein id_1 is the running time-frequency resource corresponding to first interface-free resources in the described first up money
Index in the multiple running time-frequency resource that source pond includes, id_2 are the first ascending resource ponds at the G
Index in ascending resource pond.As a sub- embodiment, the mark of first signaling is multiplied by id_1 equal to a plus b,
Along with c is multiplied by id_2, i.e., mark=a+b × id_1+c × id_2 of described first signaling, wherein institute a, b and c difference
It is changeless positive integer.
As the sub- embodiment 2 of embodiment 6, the mark of first signaling is nonnegative integer.
As the sub- embodiment 3 of embodiment 6, multiple interface-free resources are mapped to one by multiple characteristic sequences
On the running time-frequency resource.
As the sub- embodiment 4 of embodiment 6, the characteristic sequence includes pseudo-random sequence.
As the sub- embodiment 5 of embodiment 6, the characteristic sequence includes Zadoff-Chu sequence.
As the sub- embodiment 6 of embodiment 6, the characteristic sequence includes CP (Cyclic Prefix, cyclic prefix).
As the sub- embodiment 7 of embodiment 6, the different interface-free resources of any two are mutually orthogonal.As reality
Apply a sub- embodiment of the sub- embodiment 7 of example 6, the running time-frequency resource phase 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 the mutually orthogonal spy
Levy sequence.
Embodiment 7
Embodiment 7 illustrates the structured flowchart for the processing unit in UE, as shown in Figure 7.
In accompanying drawing 7, UE devices 200 are mainly made up of the receiving module 202 of first processing module 201 and first.
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 monitoring the first signaling in very first time window.
In embodiment 7, first interface-free resources are an interface-free resources in the first ascending resource pond, described first
Ascending resource pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and one
Characteristic sequence.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource
Pond includes the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { institute
State the mark of the first interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least after
Person is associated.In the G ascending resource pond at least shared by two ascending resource ponds RU (Resource Unit,
Resource units) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and one is taken on frequency domain
Subcarrier.
As the sub- embodiment 1 of embodiment 7, first receiving module 202 is additionally operable to receive second wireless singal.Its
In, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared time domain money
At least one of source, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers }.
As the sub- embodiment 2 of embodiment 7, the first processing module 201 is additionally operable to receive downlink information and descending RS
(Reference Signal, reference signal).Wherein, the downlink information is used for determining that { G antenna port group, the G are individual
At least one of ascending resource pond, the corresponding relation between G antenna port group and the G ascending resource pond }.On described
Row resource pool includes the positive integer interface-free resources.The descending RS includes G RS port, the G RS ports respectively by
Transmitted by the G antenna port group, the G antenna port group and the G ascending resource pond correspond.Described first
Ascending resource pond is one in the G ascending resource pond, and the antenna port corresponding to the first ascending resource pond
Group is first antenna port set.
As the sub- embodiment 3 of embodiment 7, first signaling and the second wireless singal are respectively by described first day
Line port set is sent.
Embodiment 8
Embodiment 8 illustrates the structured flowchart for the processing unit in base station, as shown in Figure 8.
In accompanying drawing 8, base station apparatus 300 is mainly made up of the sending module 302 of Second processing module 301 and first.
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 in very first time window.
In embodiment 8, first interface-free resources are an interface-free resources in the first ascending resource pond, described first
Ascending resource pond includes the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and one
Characteristic sequence.The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, the ascending resource
Pond includes the positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { institute
State the mark of the first interface-free resources, index of the first ascending resource pond in the G ascending resource pond } at least after
Person is associated.In the G ascending resource pond at least shared by two ascending resource ponds RU (Resource Unit,
Resource units) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and one is taken on frequency domain
Subcarrier.
As the sub- embodiment 1 of embodiment 8, first sending module 302 is additionally operable to send second wireless singal.Its
In, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared time domain money
At least one of source, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers }.
As the sub- embodiment 2 of embodiment 8, the Second processing module 301 is additionally operable to send downlink information and descending RS
(Reference Signal, reference signal).Wherein, the downlink information is used for determining that { G antenna port group, the G are individual
At least one of ascending resource pond, the corresponding relation between G antenna port group and the G ascending resource pond }.On described
Row resource pool includes the positive integer interface-free resources.The descending RS includes G RS port, the G RS ports respectively by
Transmitted by the G antenna port group, the G antenna port group and the G ascending resource pond correspond.Described first
Ascending resource pond is one in the G ascending resource pond, and the antenna port corresponding to the first ascending resource pond
Group is first antenna port set.
As the sub- embodiment 3 of embodiment 8, first signaling and the second wireless singal are respectively by described first day
Line port set is sent.
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 (10)
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. monitors the first signaling in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first ascending resource pond
Include the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a characteristic sequence.
The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, and the ascending resource pond includes
The positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { first sky
The mark of mouthful resource, index of the first ascending resource pond in the G ascending resource pond } at least the latter correlation
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
2. according to the method for claim 1, it is characterised in that the step B also comprises the following steps：
- step B1. receives second wireless singal.
Wherein, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared
Time-domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers } at least it
One.
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.
- step A1. receives descending RS (Reference Signal, reference signal).
Wherein, the downlink information is used for determining { G antenna port group, the G ascending resource pond, G antenna port group
At least one of corresponding relation between the G ascending resource pond }.It is described that the ascending resource pond includes positive integer
Interface-free resources.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.
4. according to the method described in claim 1-3, it is characterised in that first signaling and second wireless singal difference
Sent by the first antenna port set.
5. 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 in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first ascending resource pond
Include the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a characteristic sequence.
The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, and the ascending resource pond includes
The positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { first sky
The mark of mouthful resource, index of the first ascending resource pond in the G ascending resource pond } at least the latter correlation
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
6. according to the method for claim 5, it is characterised in that the step B also comprises the following steps：
- step B1. sends second wireless singal.
Wherein, first signaling includes the schedule information of the second wireless singal, and the schedule information includes { shared
Time-domain resource, shared frequency domain resource, shared code domain resource, MCS, NDI, RV, HARQ process numbers } at least it
One.
7. according to claim 5, the method described in 6, it is characterised in that the step A also comprises the following steps：
- step A0. sends downlink information.
- step A1. sends descending RS (Reference Signal, reference signal).
Wherein, the downlink information is used for determining { G antenna port group, the G ascending resource pond, G antenna port group
At least one of corresponding relation between the G ascending resource pond }.It is described that the ascending resource pond includes positive integer
Interface-free resources.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.
8. according to the method described in claim 5-7, it is characterised in that first signaling and second wireless singal difference
Sent by the first antenna port set.
9. 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 monitoring the first signaling in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first ascending resource pond
Include the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a characteristic sequence.
The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, and the ascending resource pond includes
The positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { first sky
The mark of mouthful resource, index of the first ascending resource pond in the G ascending resource pond } at least the latter correlation
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
10. 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 in very first time window.
Wherein, first interface-free resources are an interface-free resources in the first ascending resource pond, the first ascending resource pond
Include the positive integer interface-free resources.One interface-free resources includes a running time-frequency resource and a characteristic sequence.
The first ascending resource pond is one in G ascending resource pond, and the G is positive integer, and the ascending resource pond includes
The positive integer interface-free resources.First signaling is physical layer signaling, the mark of first signaling and { first sky
The mark of mouthful resource, index of the first ascending resource pond in the G ascending resource pond } at least the latter correlation
Connection.RU (Resource Unit, resource list in the G ascending resource pond at least shared by two ascending resource ponds
Position) have it is overlapping.The RU takes the duration of a wideband symbol in time domain, and a son is taken on frequency domain and is carried
Ripple.
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| CN201610871153.2A CN107888238B (en) | 2016-09-30 | 2016-09-30 | Method and device for UE (user equipment) and base station for random access |
| PCT/CN2017/100165 WO2018059185A1 (en) | 2016-09-30 | 2017-09-01 | Random access method and device utilized in user equipment and base station |
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| CN201610871153.2A CN107888238B (en) | 2016-09-30 | 2016-09-30 | Method and device for UE (user equipment) and base station for random access |
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| CN111147203A (en) * | 2018-11-02 | 2020-05-12 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN111918379A (en) * | 2019-05-09 | 2020-11-10 | 上海朗帛通信技术有限公司 | Method and device in communication node for wireless communication |
| CN114124336A (en) * | 2019-04-02 | 2022-03-01 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
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| CN114944891A (en) * | 2018-09-10 | 2022-08-26 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
| CN111490861B (en) * | 2019-01-26 | 2022-05-24 | 上海朗帛通信技术有限公司 | Method and device used in user equipment and base station for wireless communication |
| CN113632560A (en) * | 2019-03-28 | 2021-11-09 | 中兴通讯股份有限公司 | Method for random access resource configuration and resource selection and performing RACH |
| CN112312484B (en) * | 2019-07-26 | 2022-10-28 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
| CN112350806B (en) * | 2019-08-08 | 2023-07-21 | 上海朗桦通信技术有限公司 | Method and apparatus in a node for wireless communication |
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| CN112399581B (en) * | 2019-08-16 | 2022-09-27 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
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| CN114362904A (en) * | 2020-01-19 | 2022-04-15 | 上海朗帛通信技术有限公司 | Method and apparatus in a node used for wireless communication |
| KR20230169173A (en) * | 2021-08-20 | 2023-12-15 | 지티이 코포레이션 | Systems and methods for early access |
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| Publication number | Publication date |
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| WO2018059185A1 (en) | 2018-04-05 |
| CN107888238B (en) | 2020-09-01 |
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