CN108260209A

CN108260209A - A kind of method and apparatus in UE for random access, base station

Info

Publication number: CN108260209A
Application number: CN201611242569.4A
Authority: CN
Inventors: 张晓博
Original assignee: Shanghai Langbo Communication Technology Co Ltd
Current assignee: Shanghai Langbo Communication Technology Co Ltd
Priority date: 2016-12-28
Filing date: 2016-12-28
Publication date: 2018-07-06
Anticipated expiration: 2036-12-28
Also published as: CN108260209B

Abstract

The invention discloses the method and apparatus in a kind of UE for random access, base station.UE receives the first wireless signal first, determines objective resource pool according to the first parameter, the objective resource pool is a candidate resource pond in G candidate resource pond, then sends second wireless singal in target interface-free resources.First parameter is positive integer, and first wireless signal is sent by K antenna port group, and first wireless signal be used to determine K1 antenna port group in the K antenna port group, and first parameter and the K1 are associated.The candidate resource pond includes positive integer interface-free resources, and the interface-free resources include a running time-frequency resource and a characteristic sequence.The target interface-free resources are the interface-free resources in the objective resource pool.The RU numbers that the difference interface-free resources in one candidate resource pond occupy are identical, and the RU numbers that the interface-free resources in the different candidate resource ponds occupy are different.

Description

A kind of method and apparatus in UE for random access, base station

Technical field

The present invention relates to RA (Random Access, random access) scheme in wireless communication system, 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 becomes a research hotspot of next generation mobile communication.It is multiple in large scale MIMO Antenna forms one certain party of relatively narrow beam position and always improves communication quality by beam shaping.Multi-antenna beam excipient The wave beam of formation is generally narrow, and communicating pair needs the partial channel knowledge for obtaining 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 the channel information of UE, because This how to make RA processes benefit from large scale MIMO be one need research the problem of.

Invention content

Inventors discovered through research that before the RA procedure, UE can utilize some downlink common signals (such as same Walk signal, broadcast singal, reference signal etc.) the optimal base station transmission beam shaping vector of selection.There is uplink and downlink in base station end In the case of channel reciprocity, the optimal transmission beam shaping vector of base station end be also the optimal reception beam shaping of base station end to Amount, thus can base station end transmission beam shaping vector sum PRACH (Physical Random Access Channel, Physical Random Access Channel) interface-free resources between establish one-to-one contact, with a certain base station send beam shaping to It measures and is received in corresponding interface-free resources using identical beam shaping vector.UE is in the optimal send wave of base station end detected RA targeting sequencings (preamble) are sent in the corresponding interface-free resources of beam excipient vector, so as to obtain RA targeting sequencings (preamble) optimum reception performance.

In real system, due to the granularity of beam shaping vector, some UE may be exactly in the covering of a wave beam Range center, and some UE are likely to be between the coverage area of two wave beams.For the former, in a beam shaping vector RA targeting sequencings are sent in corresponding interface-free resources it is ensured that receptivity；And for the latter, it needs to assign in two wave beams RA targeting sequencings are sent in the corresponding interface-free resources of type vector.Base station needs to know that the RA targeting sequencings in which interface-free resources come From same UE, just the RA targeting sequencings from same UE can be combined to improve the quality of reception in this way.Base station is such as The RA targeting sequencings what is distinguished in which interface-free resources come from same UE, this is a problem to be solved.

The present invention discloses a kind of scheme regarding to the issue above.It should be noted that in the absence of conflict, the application UE in embodiment and embodiment in feature can be applied in base station, vice versa.Further, in the feelings not conflicted Under condition, the feature in embodiments herein and embodiment can be arbitrarily combined with each other.

The invention discloses a kind of method being used in the UE of random access, wherein, include the following steps：

Step A. receives the first wireless signal；

Step B. determines objective resource pool according to the first parameter, and the objective resource pool is one in G candidate resource pond A candidate resource pond；

Step C. sends second wireless singal in target interface-free resources.

Wherein, first parameter is positive integer, and first wireless signal is sent by K antenna port group, described One wireless signal is used for determining K1 antenna port group, and the K1 antenna port group is the son of the K antenna port group Collection, first parameter and the K1 are associated, and the antenna port group includes positive integer antenna port.The candidate resource Pond includes positive integer interface-free resources, and the interface-free resources include a running time-frequency resource and a characteristic sequence.It is described Target interface-free resources are the interface-free resources in the objective resource pool.Different institutes in one candidate resource pond RU (Resource Unit, the resource units) number for stating interface-free resources occupancy is identical, in the different candidate resource ponds The RU numbers that the interface-free resources occupy are different.The RU occupies a subcarrier on frequency domain, occupies one in the time domain The duration of a wideband symbol.The K is greater than 1 positive integer, and the K1 is no more than the positive integer of K, and the G is greater than 1 positive integer.

As one embodiment, the above method is advantageous in that, is allowed to being used to receiving/sending the second wireless singal The number of beam shaping vector adjusted into Mobile state, and allow base station to different receptions/transmission beam shaping Vector Processing The second wireless singal merges, so as to improve the receptivity of the second wireless singal.Since different connecing transmits/receives Sending beam shaping vector needs with TDM (Timing Division Multiplexing, time division multiplexing) or FDM (Frequency Division Multiplexing, frequency division multiplexing) mode be multiplexed, the RU numbers that the second wireless singal occupies can be with It the number of reception/transmission beam shaping vector that the second wireless singal uses and changes.In the above-mentioned methods, by permitting Perhaps the interface-free resources in the different candidate resource ponds occupy different RU numbers, and select according to first parameter Select the objective resource pool, realize to be used to receive/send the second wireless singal beam shaping vector number Dynamic adjusts, and base station is allowed to merge the second wireless singal of different receptions/transmission beam shaping Vector Processing.

As one embodiment, first wireless signal includes { PSS (Primary Synchronization Signal, primary synchronization signal), SSS (Secondary Synchronization Signal, secondary synchronization signal), MIB (Master Information Block, Master Information Block)/SIB (System Information Block, system information block), CSI-RS (Channel State Information Reference Signal, channel state information reference signals) } in It is one or more.

As one embodiment, the wideband symbol is { OFDM (Orthogonal Frequency Division Multiplexing, Orthogonal Frequency Division Multiplexing) symbol, SC-FDMA (Single-Carrier Frequency Division Multiple Access, single carrier frequency division multiplexing) symbol, (Filter Bank MultiCarrier, wave filter group are more by FBMC Carrier wave) symbol in one kind.

As one embodiment, the corresponding physical layer channel of the interface-free resources includes PRACH (Physical Random Access CHannel, Physical Random Access Channel).

As one embodiment, the second wireless singal includes RACH, and (Random Access Channel, connect at random Enter channel) leading (Preamble).

As one embodiment, the second wireless singal is by the corresponding characteristic sequence of the target interface-free resources Modulation generation.

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, and the Q is positive integer.One modulation symbol is multiplied by the characteristic sequence After be mapped in the Q RU, i.e., described modulation symbol transmits in the interface-free resources.

As one embodiment, multiple and different interface-free resources can be reflected by multiple and different characteristic sequences It is mapped on a running time-frequency resource.

As one embodiment, RU numbers that the interface-free resources occupy are equal to the corresponding institute of the interface-free resources State the length of characteristic sequence.

As one embodiment, the corresponding feature of the difference interface-free resources that a candidate resource pond includes The length of sequence is identical.

As one embodiment, the target eat dishes without rice or wine resource occupation RU numbers and first parameter it is linearly related.

As a sub- embodiment of above-described embodiment, the target eat dishes without rice or wine resource occupation RU numbers be equal to it is described First parameter is multiplied by minimum in the corresponding RU numbers in the G candidate resource pond one.

As one embodiment, the target eat dishes without rice or wine resource occupation chronomere number and first parameter it is linear Correlation, the target eat dishes without rice or wine resource occupation frequency unit number and first parameter it is unrelated, the target is eated dishes without rice or wine Linear coefficient between the number of the chronomere of resource occupation and first parameter is positive integer, and the chronomere is one The duration of a wideband symbol, the frequency unit are the bandwidth of a sub- carrier occupancy.

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, first parameter is equal to the K1.

As one embodiment, first parameter is more than the K1.

As one embodiment, first parameter and the K1 are linearly related, between first parameter and the K1 Linear coefficient be positive integer.

As a sub- embodiment of above-described embodiment, the linear coefficient between first parameter and the K1 is UE's specific (UE-specific).

As one embodiment, the K1 is equal to 1.

As one embodiment, the K1 is equal to 2.

As one embodiment, first parameter is equal to 1.

As one embodiment, first parameter is equal to 2.

As one embodiment, first parameter is more than 2.

As one embodiment, first wireless signal includes K the first subsignals, the K the first subsignals point It is not sent by the K antenna port group, K1 the first subsignals are by the K1 antenna end in the K the first subsignals First subsignal that mouth group is sent.

As a sub- embodiment of above-described embodiment, any one of first son in the K1 the first subsignals The quality of reception of signal is more than the quality of reception of given first subsignal, and given first subsignal is the K first son Any one of first subsignal of the K1 the first subsignals is not belonging in signal.A ginseng as the sub- embodiment Embodiment is examined, the quality of reception is that { (Reference Signal Received Power, reference signal receive work(to RSRP Rate), SINR (Signal to Interference-plus-Noise Ratio, Signal to Interference plus Noise Ratio), SNR (Signal to Noise Ratio, signal-to-noise ratio) } in one kind.

As a sub- embodiment of above-described embodiment, any one of first son letter in the K1 the first subsignals Number the quality of reception and the given quality of reception between difference absolute value be less than given threshold value, the given threshold value is non-negative reality Number.As a reference implementation example of the sub- embodiment, the given quality of reception is the reception matter of the K the first subsignals The maximum quality of reception in amount.

As a sub- embodiment of above-described embodiment, the time-domain resource that the K the first subsignals occupy is mutually just It hands over.

As one embodiment, there is no the interface-free resources to belong to two different candidate resources simultaneously Pond.

As one embodiment, the different candidate resource ponds occupies identical time resource and mutually orthogonal frequency Resource.

As one embodiment, the running time-frequency resource at least occupied there are two different candidate resource ponds is identical 's.

It is part at least there are two different occupied running time-frequency resources in candidate resource pond as one embodiment Overlapping.

As one embodiment, at least number there are the interface-free resources included by two different candidate resource ponds It is different.

As one embodiment, the RU numbers that the first interface-free resources occupy are a for the RU numbers that the second interface-free resources occupy Times, a is greater than 1 positive integer, and first interface-free resources and second interface-free resources are belonging respectively to the G candidate The different candidate resource pond of any two in resource pool, and the RU numbers that first interface-free resources occupy are more than institute State the RU numbers of the second interface-free resources occupancy.

As a sub- embodiment of above-described embodiment, the length for the characteristic sequence that first interface-free resources occupy It is a times of the length for the characteristic sequence that second interface-free resources occupy.

As one embodiment, when the number for the chronomere that the first interface-free resources occupy is that the second interface-free resources occupy Between b times of number of unit, the b is greater than 1 positive integer, the number for the frequency unit that first interface-free resources occupy and The number for the frequency unit that second interface-free resources occupy is equal, first interface-free resources and second interface-free resources point Do not belong to the different candidate resource pond of any two in the G candidate resource pond, and first interface-free resources The number of the chronomere of occupancy is more than the number for the chronomere that second interface-free resources occupy, and the chronomere is one The duration of a wideband symbol, the frequency unit are the bandwidth of a sub- carrier occupancy.

As one embodiment, index of the K1 antenna port group in the K antenna port group is continuous.

As one embodiment, index of the K1 antenna port group in the K antenna port group is discontinuous 's.

As one embodiment, the antenna port is to pass through antenna virtualization (Virtualization) by more antennas It is formed by stacking, the mapping coefficient composition beam shaping vector of the more antennas to the antenna port.The beam shaping to Amount is made of the Kronecker products of a digital beam shaping vector of analog beam excipient vector sum one.

As a sub- embodiment of above-described embodiment, the difference antenna port pair in an antenna port group Answer identical analog beam excipient vector.

As a sub- embodiment of above-described embodiment, the difference antenna port pair in an antenna port group Answer different digital beam excipient vectors.

As one embodiment, the antenna port group includes an antenna port.

As one embodiment, the antenna port group includes multiple antenna ports.

As one embodiment, there is no an antenna ports to belong to two different antenna ports simultaneously Group.

As one embodiment, the quantity of the antenna port that the different antenna port group of any two includes is Identical.

As one embodiment, at least there are the numbers of the antenna port that two different antenna port groups include Amount is different.

As one embodiment, first parameter is one in G parameter, any two in the G parameter It is unequal.The G parameter and the G candidate resource pond correspond.

Specifically, according to an aspect of the present invention, which is characterized in that the objective resource pool includes K in the time domain Time resource pond, the K time resource pond are mutually orthogonal in the time domain.The target interface-free resources are distributed in K1 in the time domain Within a time resource pond, the K1 time resource pond is the subset in the K time resource pond, the K1 time resource Index and K1 antenna port group index in the K antenna port group of the pond in the K time resource pond It is associated.

As one embodiment, the above method is advantageous in that can be by the K1 time resource pond described Index in K time resource pond transmits index of the K1 antenna port group in the K antenna port group, The data of the UE are sent with the transmission beam shaping vector for being directed toward the UE in subsequent processing convenient for base station, improve transmission Quality.

As one embodiment, the K time resource pond and the K antenna port group correspond.

As one embodiment, the time resource pond includes positive integer chronomere.

As a sub- embodiment of above-described embodiment, the chronomere be wideband symbol it is lasting when Between.

As one embodiment, the time resource pond is continuous in the time domain.

As one embodiment, the time resource pond is discontinuous in the time domain.

As one embodiment, index of the K1 time resource pond in the K time resource pond is to connect Continuous.

As one embodiment, index of the K1 time resource pond in the K time resource pond is not Continuously.

As one embodiment, institute that any one of interface-free resources in the objective resource pool occupy in the time domain The number for stating time resource pond is all the K1.

As one embodiment, index difference of the K1 time resource pond in the K time resource pond Equal to index of the K1 antenna port group in the K antenna port group.

Specifically, according to an aspect of the present invention, which is characterized in that the step C further includes following steps：

Step C0. voluntarily determines the target interface-free resources in the objective resource pool；

Specifically, according to an aspect of the present invention, which is characterized in that further include following steps：

Step D. monitors downlink signaling in first time window；

Wherein, the downlink signaling is physical layer signaling, the mark of the downlink signaling and { the target interface-free resources institute The time-domain resource of occupancy, the occupied frequency domain resource of target interface-free resources, the target interface-free resources are occupied described Characteristic sequence } at least one of it is associated.

As one embodiment, { the occupied time-domain resource of target interface-free resources, shared by the target interface-free resources Frequency domain resource, the occupied characteristic sequence of target interface-free resources } at least one of be used for described in generation The mark of the downlink signaling.

As one embodiment, the downlink signaling is DCI (Downlink Control Information, downlink control Information processed).

As one embodiment, the corresponding physical layer channel of the downlink 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 of above-described embodiment, the down physical layer control channel is PDCCH (Physical Downlink Control Channel, Physical Downlink Control Channel).

As one embodiment, the mark of the downlink signaling is used for determining the { DMRS of the downlink signaling The RS sequences of (DeModulation Reference Signal, demodulated reference signal), the CRC (Cyclic of the downlink signaling Redundancy Check, cyclic redundancy check), the scrambler sequence of the CRC of the downlink signaling, occupied by the downlink signaling Running time-frequency resource at least one of.

As one embodiment, the monitoring refers to the reception based on blind Detecting, i.e., is received in the first time window Signal simultaneously performs decoded operation, judges to receive successfully if determining that decoding is correct according to check bit, otherwise judges to receive and lose It loses.

As one embodiment, the initial position of the first time window in the time domain by the target interface-free resources when Initial position implicit instruction on domain.

Specifically, according to an aspect of the present invention, which is characterized in that the step D further includes following steps：

Step D0. receives third wireless signal；

Wherein, the downlink signaling includes the scheduling information of the third wireless signal；Or the third wireless signal Including First ray and the first data, the First ray and { the occupied time-domain resource of target interface-free resources, the mesh At least one of mark the occupied frequency domain resource of interface-free resources, the occupied characteristic sequence of target interface-free resources } It is associated.

As one embodiment, the scheduling information includes { occupied time-domain resource, occupied frequency domain resource, institute The code domain resource of occupancy, MCS (Modulation and Coding Scheme, Modulation and Coding Scheme), NDI (New Data Indicator, new data instruction), RV (Redundancy Version, redundancy versions), HARQ (Hybrid Automatic At least one of Repeat reQuest, hybrid automatic repeat-request) process number }.

As one embodiment, the third wireless signal includes RAR, and (Random Access Response, connect at random Enter to reply).

As one embodiment, the corresponding physical layer channel of the third wireless signal includes down physical layer data channel (down channel that can be used to carry physical layer data).

As a sub- embodiment of above-described embodiment, the down physical layer data channel includes PDSCH (Physical Downlink Shared Channel, Physical Downlink Shared Channel).

As one embodiment, the corresponding transmission channel of the third wireless signal is DL-SCH (DownLink Shared Channel, DSCH Downlink Shared Channel).

As one embodiment, first data include RAR, and (Random Access Response, random access are rung Should) in all or part of information.

As one embodiment, first data include the occupied characteristic sequence of target interface-free resources, Timing advance instructs (Timing Advance Command), and uplink authorizes (Uplink Grant), interim C-RNTI At least one of (Temporary C-RNTI) }.

As one embodiment, the First ray includes one of { pseudo-random sequence, Zadoff-Chu sequence }.

As one embodiment, { the occupied time-domain resource of target interface-free resources, shared by the target interface-free resources Frequency domain resource, the occupied characteristic sequence of target interface-free resources } at least one of be used for described in generation First ray.

Specifically, according to an aspect of the present invention, which is characterized in that the step A further includes following steps：

Step A0. receives downlink information；

Wherein, the downlink information is used for determining { the G candidate resource pond, the K time resource pond, the K At least one of correspondence between a time resource pond and the K antenna port group }.

As one embodiment, the downlink information is carried by first wireless signal.

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 downlink information instruction G candidate resource pond, the K time resource pond, At least one of correspondence between the K time resource pond and the K antenna port group }.

As one embodiment, first parameter is one in G parameter, any two in the G parameter It is unequal.The G parameter and the G candidate resource pond correspond, and shown downlink information indicates the G parameter and institute State the correspondence between G candidate resource pond.

Specifically, according to an aspect of the present invention, which is characterized in that the interface-free resources in the objective resource pool The RU numbers of occupancy and first parameter are linearly related.

As one embodiment, RU numbers that interface-free resources in the objective resource pool occupy and described the Linear coefficient between one parameter is positive integer.

As one embodiment, the RU numbers that the interface-free resources in the objective resource pool occupy are equal to described First parameter is multiplied by given number, and the given number is minimum in the corresponding RU numbers in the G candidate resource pond one.

As one embodiment, the number for the chronomere that the interface-free resources in the objective resource pool occupy and institute The first parameter linear correlation is stated, the number for the frequency unit that the interface-free resources in the objective resource pool occupy and described the One parameter is unrelated, the number for the chronomere that the interface-free resources in the objective resource pool occupy and first ginseng Linear coefficient between number is positive integer, and the chronomere is the duration of a wideband symbol, the frequency list Position is the bandwidth of a sub- carrier occupancy.

The invention discloses a kind of method being used in the base station of random access, wherein, include the following steps：

Step A. sends the first wireless signal；

Step B. determines the first parameter according to objective resource pool, and the objective resource pool is one in G candidate resource pond A candidate resource pond；

Step C. receives second wireless singal in target interface-free resources.

As one embodiment, first wireless signal include { PSS, SSS, MIB/SIB, CSI-RS } in one kind or It is a variety of.

As one embodiment, the wideband symbol is one kind in { OFDM symbol, SC-FDMA symbols, FBMC symbols }.

As one embodiment, the corresponding physical layer channel of the interface-free resources includes PRACH.

As one embodiment, K receives beam shaping vector and is respectively used to receive in the K time resource pond The second wireless singal.

As a sub- embodiment of above-described embodiment, it is the K antenna respectively that described K, which receives beam shaping vector, The corresponding analog beam excipient vector of port set.

As a sub- embodiment of above-described embodiment, the antenna port group includes an antenna port, the K A reception beam shaping vector is the corresponding beam shaping vector of the K antenna port group respectively.

As one embodiment, the above method is advantageous in that, base station can use the K1 antenna port group to correspond to Beam shaping vector receive the second wireless singal, it is this in the case of there is uplink and downlink channel reciprocity in base station Way optimizes the reception beam shaping vector of the second wireless singal, improves the acceptance of the second wireless singal Energy.

As one embodiment, the second wireless singal includes K1 the second subsignals, the K1 the second subsignals It is sent in the K1 time resource pond respectively.The base station performs { relevant inspection respectively to the K1 the second subsignals At least one of survey, noncoherent detection, merging then is performed to testing result.

Step C0. using the reception based on blind Detecting, i.e., includes the second wireless singal in the objective resource pool Each interface-free resources on receive and signal and be detected, judge if testing result meets specified criteria detection into Otherwise work(judges detection failure.

As one embodiment, the specified criteria is that the signal energy detected is more than predetermined threshold.

As one embodiment, the specified criteria is to determine that decoding is correct by check bit.

Step D. sends downlink signaling in first time window；

Step D0. sends third wireless signal；

Step A0. sends downlink information；

The invention discloses a kind of user equipment for being used for random access, wherein, including following module：

First receiving module：For receiving the first wireless signal；

First processing module：For determining objective resource pool according to the first parameter, the objective resource pool is G candidate money A candidate resource pond in the pond of source；

First sending module：For sending second wireless singal in target interface-free resources.

As one embodiment, above-mentioned user equipment is characterized in that, when the objective resource pool includes K in the time domain Between resource pool, the K time resource pond is mutually orthogonal in the time domain.The target interface-free resources are distributed in K1 in the time domain Within time resource pond, the K1 time resource pond is the subset in the K time resource pond, the K1 time resource pond Index and index phase of the K1 antenna port group in the K antenna port group in the K time resource pond Association.

As one embodiment, above-mentioned user equipment is characterized in that, first sending module is additionally operable in the mesh It marks and the target interface-free resources is voluntarily determined in resource pool.

As one embodiment, above-mentioned user equipment is characterized in that, further includes following module：

Second receiving module：For monitoring downlink signaling in first time window.

As one embodiment, above-mentioned user equipment is characterized in that, second receiving module is additionally operable to receive third Wireless signal.Wherein, the downlink signaling includes the scheduling information of the third wireless signal；Or the third wireless signal Including First ray and the first data, the First ray and { the occupied time-domain resource of target interface-free resources, the mesh At least one of mark the occupied frequency domain resource of interface-free resources, the occupied characteristic sequence of target interface-free resources } It is associated.

As one embodiment, above-mentioned user equipment is characterized in that, first receiving module is additionally operable to receive downlink Information.Wherein, the downlink information is used for determining that { the G candidate resource pond, the K time resource pond, the K are a At least one of correspondence between time resource pond and the K antenna port group }.

As one embodiment, above-mentioned user equipment is characterized in that, the interface-free resources in the objective resource pool The RU numbers of occupancy and first parameter are linearly related.

The invention discloses a kind of base station equipment for being used for random access, wherein, including following module：

Second sending module：For sending the first wireless signal；

Second processing module：For determining the first parameter according to objective resource pool, the objective resource pool is G candidate money A candidate resource pond in the pond of source；

Third receiving module：For receiving second wireless singal in target interface-free resources.

As one embodiment, above-mentioned base station equipment is characterized in that, when the objective resource pool includes K in the time domain Between resource pool, the K time resource pond is mutually orthogonal in the time domain.The target interface-free resources are distributed in K1 in the time domain Within time resource pond, the K1 time resource pond is the subset in the K time resource pond, the K1 time resource pond Index and index phase of the K1 antenna port group in the K antenna port group in the K time resource pond Association.

As one embodiment, above-mentioned base station equipment is characterized in that, the third receiving module is additionally operable to described Two wireless signals use the reception based on blind Detecting, i.e., are received in each interface-free resources included in the objective resource pool Signal is simultaneously detected, and is judged to detect if testing result meets specified criteria successfully, otherwise judges detection failure.

As one embodiment, above-mentioned base station equipment is characterized in that, following module：

Third sending module：For sending downlink signaling in first time window.

As one embodiment, above-mentioned base station equipment is characterized in that, the third sending module is additionally operable to send third Wireless signal.Wherein, the downlink signaling includes the scheduling information of the third wireless signal；Or the third wireless signal Including First ray and the first data, the First ray and { the occupied time-domain resource of target interface-free resources, the mesh At least one of mark the occupied frequency domain resource of interface-free resources, the occupied characteristic sequence of target interface-free resources } It is associated.

As one embodiment, above-mentioned base station equipment is characterized in that, second sending module is additionally operable to send downlink Information.Wherein, the downlink information is used for determining that { the G candidate resource pond, the K time resource pond, the K are a At least one of correspondence between time resource pond and the K antenna port group }.

As one embodiment, above-mentioned base station equipment is characterized in that, the interface-free resources in the objective resource pool The RU numbers of occupancy and first parameter are linearly related.

It is compared with traditional scheme, the present invention has following advantage：

- permissions base station detects the RA targeting sequencings of different UE using the reception beam shaping vector of different number, different Reception beam shaping vector be multiplexed with the mode of TDM/FDM.

When UE is in one and receives beam shaping vector coverage area center, base station only needs to connect using one- Beam shaping vector is received to detect the RA targeting sequencings of the UE.

When UE is in two and receives between beam shaping vector coverage area, base station may be used the two and connects- Beam shaping vector is received to detect the RA targeting sequencings of the UE,

And testing result is combined to improve the quality of reception.

- allows different UE to send RA targeting sequencings, different transmissions using the transmission beam shaping vector of different number Beam shaping vector is multiplexed with the mode of TDM/FDM.

- has uplink and downlink channel reciprocity as UE, can be inferred to from optimal downlink reception beam shaping vector optimal Uplink when sending beam shaping vector, UE only needs to send beam shaping vector with optimal one to send the leading sequences of RA Row.

- does not have uplink and downlink channel reciprocity as UE, it is impossible to be inferred to most from optimal downlink reception beam shaping vector When excellent uplink sends beam shaping vector, UE is needed in a manner of sweeping, is sent out with all transmission beam shaping vectors Send RA targeting sequencings.

- allows base station the RA targeting sequencings of different receptions/transmission beam shaping vector to be used to hold to coming from same UE Row merging treatment improves the detection performance of RA targeting sequencings.

Description of the drawings

By reading with reference to the detailed description made to non-limiting example in the following drawings, other spies of the invention Sign, objects and advantages will become more apparent：

Fig. 1 shows the flow chart of wireless transmission according to an embodiment of the invention；

Fig. 2 shows the resource impact of G candidate resource pond according to an embodiment of the invention in time-frequency domain to show It is intended to；

Fig. 3 shows the resource impact of G candidate resource pond according to another embodiment of the invention in time-frequency domain Schematic diagram；

Fig. 4 shows money of objective resource pool and the target interface-free resources according to an embodiment of the invention in time-frequency domain The schematic diagram of source mapping；

Fig. 5 shows objective resource pool according to another embodiment of the invention and target interface-free resources in time-frequency domain The schematic diagram of resource impact；

Fig. 6 shows and is closed between K1 antenna port group according to an embodiment of the invention and K1 time resource pond The schematic diagram of system；

Fig. 7 shows the structure diagram of the processing unit according to an embodiment of the invention in UE；

Fig. 8 shows the structure diagram of the processing unit according to an embodiment of the invention in base station.

Embodiment 1

Embodiment 1 illustrates the flow chart of the wireless transmission of the present invention, as shown in Figure 1.In attached drawing 1, base station N1 is UE The serving cell of U2 maintains base station.In attached drawing 1, box F1, box F2 and box F3 are optional respectively.

For N1, downlink information is sent in step S101；The first wireless signal is sent in step s 11；In step S12 In receive second wireless singal in target interface-free resources；In step s 102 downlink signaling is sent in first time window； Third wireless signal is sent in step S103.

For U2, downlink information is received in step s 201；The first wireless signal is received in the step s 21；In step S22 In send second wireless singal in target interface-free resources；In step S202 downlink signaling is monitored in first time window； Third wireless signal is received in step S203.

In embodiment 1, for the first parameter by the U2 for determining objective resource pool, the objective resource pool is G time A candidate resource pond in resource pool is selected, the candidate resource pond includes positive integer interface-free resources, eats dishes without rice or wine to provide described in one Source includes a running time-frequency resource and a characteristic sequence.The target interface-free resources are an institutes in the objective resource pool State interface-free resources.First wireless signal is sent by K antenna port group, and first wireless signal is by the U2 for true Determine K1 antenna port group, the K1 antenna port group is the subset of the K antenna port group, first parameter and institute Stating K1 is associated, and the antenna port group includes positive integer antenna port.Described in difference in one candidate resource pond The RU numbers that interface-free resources occupy are identical, and the RU numbers that the interface-free resources in the different candidate resource ponds occupy are Different.The RU occupies a subcarrier on frequency domain, occupies the duration of a wideband symbol in the time domain.The K 1 positive integer is greater than, the K1 is no more than the positive integer of K, and the G is greater than 1 positive integer.The downlink signaling is object Manage layer signaling, the mark of the downlink signaling and { the occupied time-domain resource of target interface-free resources, the target eat dishes without rice or wine to provide The occupied frequency domain resource in source, the occupied characteristic sequence of target interface-free resources } at least one of it is associated.Institute State the scheduling information that downlink signaling includes the third wireless signal；Or the third wireless signal includes First ray and the One data, the First ray and { the occupied time-domain resource of target interface-free resources, occupied by the target interface-free resources Frequency domain resource, the occupied characteristic sequence of target interface-free resources } at least one of it is associated.The target money Source pond includes K time resource pond in the time domain, and the K time resource pond is mutually orthogonal in the time domain.The K time money Source pond and the K antenna port group correspond, and the downlink information is used to determine { the G candidate resource by the U2 Pond, the K time resource pond, correspondence between the K time resource pond and the K antenna port group } at least One of.

As the sub- embodiment 1 of embodiment 1, the target interface-free resources be distributed in the time domain K1 time resource pond it Interior, the K1 time resource pond is the subset in the K time resource pond, and the K1 time resource pond is at described K Between index in resource pool and index of the K1 antenna port group in the K antenna port group be associated.

As the sub- embodiment 2 of embodiment 1, the U2 voluntarily determines that the target eats dishes without rice or wine to provide in the objective resource pool Source.

As the sub- embodiment 3 of embodiment 1, the N1 uses the reception based on blind Detecting to the second wireless singal, Signal is received in each interface-free resources included in the objective resource pool and is detected, if testing result meets Specified criteria then judges to detect successfully, otherwise judges detection failure.

One sub- embodiment of the sub- embodiment 3 as embodiment 1, the specified criteria are that the signal energy detected is big In predetermined threshold.

One sub- embodiment of the sub- embodiment 3 as embodiment 1, the specified criteria are to determine to translate by check bit Code is correct.

As the sub- embodiment 4 of embodiment 1, RU numbers and institute that the interface-free resources in the objective resource pool occupy State the first parameter linear correlation.

One sub- embodiment of the sub- embodiment 4 as embodiment 1, described in the objective resource pool eat dishes without rice or wine to provide Linear coefficient between RU numbers and first parameter that source occupies is positive integer.

One sub- embodiment of the sub- embodiment 4 as embodiment 1, described in the objective resource pool eat dishes without rice or wine to provide The RU numbers that source occupies are multiplied by given number equal to first parameter, and the given number is the G candidate resource pond pair Minimum one in the RU numbers answered.

One sub- embodiment of the sub- embodiment 4 as embodiment 1, the interface-free resources in the objective resource pool account for The number of chronomere and first parameter are linearly related, what the interface-free resources in the objective resource pool occupied The number of frequency unit and first parameter are unrelated, the time that the interface-free resources in the objective resource pool occupy Linear coefficient between the number of unit and first parameter is positive integer, and the chronomere is a wideband symbol Duration, the frequency unit is the bandwidth of a sub- carrier occupancy.

As the sub- embodiment 5 of embodiment 1, first wireless signal is included in { PSS, SSS, MIB/SIB, CSI-RS } It is one or more.

As the sub- embodiment 6 of embodiment 1, the wideband symbol is { OFDM symbol, SC-FDMA symbols, FBMC symbols } In one kind.

As the sub- embodiment 7 of embodiment 1, the corresponding physical layer channel of the interface-free resources includes PRACH.

As the sub- embodiment 8 of embodiment 1, the second wireless singal includes RACH (Random Access Channel, random access channel) leading (Preamble).

As the sub- embodiment 9 of embodiment 1, the second wireless singal is corresponding described by the target interface-free resources Characteristic sequence modulation generation.

As the sub- embodiment 10 of embodiment 1, first parameter is equal to the K1.

As the sub- embodiment 11 of embodiment 1, first parameter is more than the K1.

As the sub- embodiment 12 of embodiment 1, first parameter and the K1 are linearly related, first parameter and institute It is positive integer to state the linear coefficient between K1.

One sub- embodiment of the sub- embodiment 12 as embodiment 1, between first parameter and the K1 Linear coefficient is UE specific (UE-specific).

As the sub- embodiment 13 of embodiment 1, the K1 is equal to 1.

As the sub- embodiment 14 of embodiment 1, the K1 is equal to 2.

As the sub- embodiment 15 of embodiment 1, first parameter is equal to 1.

As the sub- embodiment 16 of embodiment 1, first parameter is equal to 2.

As the sub- embodiment 17 of embodiment 1, first parameter is more than 2.

As the sub- embodiment 18 of embodiment 1, { the occupied time-domain resource of target interface-free resources, the target empty Mouthful occupied frequency domain resource of resource, the occupied characteristic sequence of target interface-free resources } at least one of by with In the mark for generating the downlink signaling.

As the sub- embodiment 19 of embodiment 1, the downlink signaling is DCI.

As the sub- embodiment 20 of embodiment 1, the mark of the downlink signaling is used for determining the { downlink signaling DMRS RS sequences, the CRC of the downlink signaling, the scrambler sequence of the CRC of the downlink signaling, shared by the downlink signaling At least one of running time-frequency resource }.

As the sub- embodiment 21 of embodiment 1, the monitoring refers to the reception based on blind Detecting, i.e., in the first time Signal is received in window and performs decoded operation, judges to receive successfully if determining that decoding is correct according to check bit, otherwise sentence Disconnected reception failure.

As the sub- embodiment 22 of embodiment 1, the initial position of the first time window in the time domain is by the target empty The initial position implicit instruction of mouth resource in the time domain.

As the sub- embodiment 23 of embodiment 1, the scheduling information includes { occupied time-domain resource, occupied frequency At least one of domain resource, occupied code domain resource, MCS, NDI, RV, HARQ process numbers }.

As the sub- embodiment 24 of embodiment 1, the third wireless signal includes RAR.

As the sub- embodiment 25 of embodiment 1, first data include all or part of information in RAR.

As the sub- embodiment 26 of embodiment 1, first data are including { the target interface-free resources are occupied described Characteristic sequence, timing advance instruction (Timing Advance Command), uplink authorizes (Uplink Grant), interim C- At least one of RNTI (Temporary C-RNTI) }.

As the sub- embodiment 27 of embodiment 1, the First ray include { pseudo-random sequence, Zadoff-Chu sequence } it One.

As the sub- embodiment 28 of embodiment 1, { the occupied time-domain resource of target interface-free resources, the target empty Mouthful occupied frequency domain resource of resource, the occupied characteristic sequence of target interface-free resources } at least one of by with In the generation First ray.

As the sub- embodiment 29 of embodiment 1, the downlink information is carried by first wireless signal.

As the sub- embodiment 30 of embodiment 1, the downlink information is that cell is public.

As the sub- embodiment 31 of embodiment 1, the downlink information is indicated by high-level signaling.

As the sub- embodiment 32 of embodiment 1, the downlink information is indicated by physical layer signaling.

As the sub- embodiment 33 of embodiment 1, downlink information instruction { the G candidate resource pond, at described K Between resource pool, correspondence between the K time resource pond and the K antenna port group } at least one of.

As the sub- embodiment 34 of embodiment 1, first parameter is one in G parameter, in the G parameter Any two is unequal.The G parameter and the G candidate resource pond correspond, and shown downlink information indicates G described Correspondence between parameter and the G candidate resource pond.

Embodiment 2

Embodiment 2 illustrates schematic diagram of the G candidate resource pond in the resource impact of time-frequency domain, as shown in Figure 2.

In example 2, the different candidate resource ponds occupies identical time resource and mutually orthogonal frequency money Source.The candidate resource pond includes positive integer interface-free resources, and the interface-free resources include a running time-frequency resource and one A characteristic sequence.The running time-frequency resource occupies a subcarrier including positive integer RU, the RU on frequency domain, accounts in the time domain With the duration of a wideband symbol.The RU numbers that the difference interface-free resources in one candidate resource pond occupy are Identical, the RU numbers that the interface-free resources in the different candidate resource ponds occupy are different.

In fig 2, the box of heavy line frame represents the time-domain resource of the G candidate resource pond occupancy and frequency money Source, the grid of fine line frame represent the RU.

As the sub- embodiment 1 of embodiment 2, the wideband symbol is { OFDM symbol, SC-FDMA symbols, FBMC symbols } In one kind.

As the sub- embodiment 2 of embodiment 2, interface-free resources include a running time-frequency resource and one long The characteristic sequence for Q is spent, the running time-frequency resource includes Q RU, and the Q is positive integer.One modulation symbol is multiplied by described It is mapped to after characteristic sequence in the Q RU, i.e., described modulation symbol transmits in the interface-free resources.

As the sub- embodiment 3 of embodiment 2, multiple and different interface-free resources can pass through multiple and different spies Sign sequence is mapped on a running time-frequency resource.

As the sub- embodiment 4 of embodiment 2, the RU numbers that the interface-free resources occupy are equal to the interface-free resources The length of the corresponding characteristic sequence.

As the sub- embodiment 5 of embodiment 2, the difference interface-free resources that a candidate resource pond includes are corresponding The length of the characteristic sequence is identical.

As the sub- embodiment 6 of embodiment 2, the characteristic sequence includes pseudo-random sequence.

As the sub- embodiment 7 of embodiment 2, the characteristic sequence includes Zadoff-Chu sequence.

As the sub- embodiment 8 of embodiment 2, the characteristic sequence includes CP.

As the sub- embodiment 9 of embodiment 2, there is no the interface-free resources to belong to two different times simultaneously Select resource pool.

As the sub- embodiment 10 of embodiment 2, at least there are eat dishes without rice or wine included by two different candidate resource ponds The number of resource is different.

As the sub- embodiment 11 of embodiment 2, the first interface-free resources and the second interface-free resources are described G candidate money respectively The interface-free resources in the pond of source in the different candidate resource pond of any two, and first interface-free resources occupancy RU numbers are more than the RU numbers that second interface-free resources occupy.The RU numbers that first interface-free resources occupy are described A times of the RU numbers that second interface-free resources occupy, a is greater than 1 positive integer.

One sub- embodiment of the sub- embodiment 11 as embodiment 2, the corresponding feature of first interface-free resources The length of sequence is described a times of the length of the corresponding characteristic sequence of second interface-free resources.

One sub- embodiment of the sub- embodiment 11 as embodiment 2, the chronomere that first interface-free resources occupy Number be described a times of number of the chronomere that second interface-free resources occupy, the first interface-free resources occupancy The number of frequency unit that the number of frequency unit and second interface-free resources occupy is equal.The chronomere is an institute The duration of wideband symbol is stated, the frequency unit is the bandwidth of a sub- carrier occupancy.

Embodiment 3

Embodiment 3 illustrates schematic diagram of the G candidate resource pond in the resource impact of time-frequency domain, as shown in Figure 3.

In embodiment 3, the different candidate resource ponds occupies identical time resource and identical frequency resource.Institute It states candidate resource pond and includes positive integer interface-free resources, the interface-free resources include a running time-frequency resource and a feature Sequence.The running time-frequency resource occupies a subcarrier including positive integer RU, the RU on frequency domain, occupies one in the time domain The duration of wideband symbol.The RU numbers that the difference interface-free resources in one candidate resource pond occupy are identical , the RU numbers that the interface-free resources in the different candidate resource ponds occupy are different.

In fig. 3, the box of heavy line frame represents the time resource of the G candidate resource pond occupancy and frequency money Source, the grid of fine line frame represent the RU.

As the sub- embodiment 1 of embodiment 3, the first interface-free resources and the second interface-free resources are described G candidate money respectively The interface-free resources in the pond of source in the different candidate resource pond of any two, and first interface-free resources occupancy RU numbers are more than the RU numbers that second interface-free resources occupy.Fisrt feature sequence is the institute that first interface-free resources occupy Characteristic sequence is stated, second feature sequence is the characteristic sequence that second interface-free resources occupy.The fisrt feature sequence Length be a times of length of the second feature sequence, a is greater than 1 positive integer.

One sub- embodiment of the sub- embodiment 1 as embodiment 3, the fisrt feature sequence is by a subsequence It forms, the length of each subsequence is equal to the length of the second feature sequence.Any one of subsequence and institute It is mutually orthogonal to state second feature sequence.

Embodiment 4

Embodiment 4 illustrates the schematic diagram of objective resource pool and target interface-free resources in the resource impact of time-frequency domain, such as attached Shown in Fig. 4.

In example 4, the objective resource pool includes positive integer interface-free resources, and the interface-free resources include one A running time-frequency resource and a characteristic sequence.The target interface-free resources are to eat dishes without rice or wine to provide described in one in the objective resource pool Source.The target interface-free resources include target running time-frequency resource and target signature sequence.The objective resource pool is wrapped in the time domain K time resource pond is included, the K time resource pond is mutually orthogonal in the time domain, and the time resource pond is not in the time domain Continuously.The target running time-frequency resource includes the first parameter time/frequency source block, and the time/frequency source block occupies W on frequency domain Continuous subcarrier occupies T continuous wideband symbols in the time domain, and the W and the T are positive integer respectively.The target Running time-frequency resource is distributed in the time domain within K1 time resource pond, and the K1 time resource pond is the K time resource The subset in pond.

In figure 4, the box of heavy line frame represents the time resource and frequency resource of the objective resource pool occupancy, The grid of fine line frame of the centre with number represents the time/frequency source block, the number in the grid of each fine line frame Represent the label of the corresponding time/frequency source block.

As the sub- embodiment 1 of embodiment 4, the RU numbers and first parameter that the target running time-frequency resource occupies are linear It is related.

One sub- embodiment of the sub- embodiment 1 as embodiment 4, the RU numbers that the target running time-frequency resource occupies Linear coefficient between first parameter is positive integer.

One sub- embodiment of the sub- embodiment 1 as embodiment 4, the RU numbers that the target running time-frequency resource occupies The W, which is multiplied by, equal to first parameter is multiplied by the T.

As the sub- embodiment 2 of embodiment 4, the number and described first for the chronomere that the target running time-frequency resource occupies Parameter is linearly related, and the number and first parameter for the frequency unit that the target running time-frequency resource occupies are unrelated, described Linear coefficient between the number and first parameter of the chronomere that target running time-frequency resource occupies is positive integer, the time Unit is the duration of a wideband symbol, and the frequency unit is the bandwidth of a sub- carrier occupancy.

As the sub- embodiment 3 of embodiment 4, the K1 is equal to 1, and first parameter is equal to 1, the target running time-frequency resource Including a time/frequency source block.

One sub- embodiment of the sub- embodiment 3 as embodiment 4, the target running time-frequency resource is by { the time-frequency marked as 1 Resource block } composition.

As the sub- embodiment 4 of embodiment 4, the K1 is equal to 1, and first parameter is equal to 2, the target running time-frequency resource It is formed by being located at two time/frequency source blocks within the same time resource pond.

One sub- embodiment of the sub- embodiment 4 as embodiment 4, form two of the target running time-frequency resource it is described when Frequency resource block occupies identical frequency resource and mutually orthogonal time resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 10 } composition.

One sub- embodiment of the sub- embodiment 4 as embodiment 4, form two of the target running time-frequency resource it is described when Frequency resource block occupies identical time resource and mutually orthogonal frequency resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 2 } composition.

As the sub- embodiment 5 of embodiment 4, the K1 is equal to 2, and first parameter is equal to 2, the target running time-frequency resource It is formed by being located at two time/frequency source blocks within the different time resource ponds.

One sub- embodiment of the sub- embodiment 5 as embodiment 4, form two of the target running time-frequency resource it is described when Frequency resource block occupies identical frequency resource and mutually orthogonal time resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 4 } composition.

As the sub- embodiment 6 of embodiment 4, the K1 is equal to 2, and first parameter is equal to 4, the target running time-frequency resource It is made of four time/frequency source blocks, there are two the time/frequency source block positioned at same in four time/frequency source blocks In a time resource pond, other two described time/frequency source block is located in another described time resource pond.

One sub- embodiment of the sub- embodiment 6 as embodiment 4, form four of the target running time-frequency resource it is described when Frequency resource block occupies identical frequency resource and mutually orthogonal time resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 4, the time/frequency source block marked as 10, the time/frequency source block marked as 13 } Composition.

One sub- embodiment of the sub- embodiment 6 as embodiment 4, form four of the target running time-frequency resource it is described when Two time/frequency source blocks being located in frequency resource block in the identical time resource pond occupy identical time resource and phase Mutually orthogonal frequency resource, for example, the target running time-frequency resource is by { time/frequency source block marked as 1, the time-frequency money marked as 2 Source block, the time/frequency source block marked as 4, the time/frequency source block marked as 5 } composition.

As the sub- embodiment 7 of embodiment 4, the characteristic sequence includes pseudo-random sequence.

As the sub- embodiment 8 of embodiment 4, the characteristic sequence includes Zadoff-Chu sequence.

As the sub- embodiment 9 of embodiment 4, the characteristic sequence includes CP.

As the sub- embodiment 10 of embodiment 4, index of the K1 time resource pond in the K time resource pond It is continuous.

As the sub- embodiment 11 of embodiment 4, index of the K1 time resource pond in the K time resource pond It is discontinuous.

As the sub- embodiment 12 of embodiment 4, the time resource pond includes positive integer chronomere, the positive integer A chronomere is discontinuous in the time domain, and the chronomere is the duration of a wideband symbol.

As the sub- embodiment 13 of embodiment 4, any one of interface-free resources in the objective resource pool are in time domain The number in the time resource pond of upper occupancy is all the K1.

Embodiment 5

Embodiment 5 illustrates the schematic diagram of objective resource pool and target interface-free resources in the resource impact of time-frequency domain, such as attached Shown in Fig. 5.

In embodiment 5, the objective resource pool includes positive integer interface-free resources, and the interface-free resources include one A running time-frequency resource and a characteristic sequence.The target interface-free resources are to eat dishes without rice or wine to provide described in one in the objective resource pool Source.The target interface-free resources include target running time-frequency resource and target signature sequence.The objective resource pool is wrapped in the time domain K time resource pond is included, the K time resource pond is mutually orthogonal in the time domain, and the time resource pond is to connect in the time domain Continuous.The target running time-frequency resource includes the first parameter time/frequency source block, and the time/frequency source block occupies W even on frequency domain Continuous subcarrier occupies T continuous wideband symbols in the time domain, and the W and the T are positive integer respectively.During the target Frequency resource is distributed in the time domain within K1 time resource pond, and the K1 time resource pond is the K time resource pond Subset.

In figure 5, the box of heavy line frame represents the time resource and frequency resource of the objective resource pool occupancy, The grid of fine line frame of the centre with number represents the time/frequency source block, the number in the grid of each fine line frame Represent the label of the corresponding time/frequency source block.

As the sub- embodiment 1 of embodiment 5, the K1 is equal to 1, and first parameter is equal to 1, the target running time-frequency resource Including a time/frequency source block.

One sub- embodiment of the sub- embodiment 1 as embodiment 5, the target running time-frequency resource is by { the time-frequency marked as 1 Resource block } composition.

As the sub- embodiment 2 of embodiment 5, the K1 is equal to 1, and first parameter is equal to 2, the target running time-frequency resource It is formed by being located at two time/frequency source blocks within the same time resource pond.

One sub- embodiment of the sub- embodiment 2 as embodiment 5, form two of the target running time-frequency resource it is described when Frequency resource block occupies identical frequency resource and mutually orthogonal time resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 4 } composition.

One sub- embodiment of the sub- embodiment 2 as embodiment 5, form two of the target running time-frequency resource it is described when Frequency resource block occupies identical time resource and mutually orthogonal frequency resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 2 } composition.

As the sub- embodiment 3 of embodiment 5, the K1 is equal to 2, and first parameter is equal to 2, the target running time-frequency resource It is formed by being located at two time/frequency source blocks within the different time resource ponds.

One sub- embodiment of the sub- embodiment 3 as embodiment 5, form two of the target running time-frequency resource it is described when Frequency resource block occupies identical frequency resource and mutually orthogonal time resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 7 } composition.

As the sub- embodiment 4 of embodiment 5, the K1 is equal to 2, and first parameter is equal to 4, the target running time-frequency resource It is made of four time/frequency source blocks, there are two the time/frequency source block positioned at same in four time/frequency source blocks In a time resource pond, other two described time/frequency source block is located in another described time resource pond.

One sub- embodiment of the sub- embodiment 4 as embodiment 5, form four of the target running time-frequency resource it is described when Frequency resource block occupies identical frequency resource and mutually orthogonal time resource, for example, the target running time-frequency resource by marked as 1 time/frequency source block, the time/frequency source block marked as 4, the time/frequency source block marked as 7, the time/frequency source block marked as 10 } group Into.

One sub- embodiment of the sub- embodiment 4 as embodiment 5, form four of the target running time-frequency resource it is described when Two time/frequency source blocks being located in frequency resource block in the identical time resource pond occupy identical time resource and phase Mutually orthogonal frequency resource, for example, the target running time-frequency resource is by { time/frequency source block marked as 1, the time-frequency money marked as 2 Source block, the time/frequency source block marked as 7, the time/frequency source block marked as 8 } composition.

As the sub- embodiment 5 of embodiment 5, the time resource pond includes positive integer chronomere, the positive integer A chronomere is continuous in the time domain, and the chronomere is the duration of a wideband symbol.

Embodiment 6

Embodiment 6 illustrates the schematic diagram of relationship between K1 antenna port group and K1 time resource pond, such as 6 institute of attached drawing Show.

In embodiment 6, the first wireless signal includes K the first subsignals, and the K the first subsignals are described respectively K antenna port group is sent, and the antenna port group includes positive integer antenna port.K1 antenna port group is the K The subset of antenna port group, K1 the first subsignals are to be sent in the K the first subsignals by the K1 antenna port group First subsignal.The K is greater than 1 positive integer, and the K1 is no more than the positive integer of K.Objective resource pool when Include K time resource pond on domain, the K time resource pond is mutually orthogonal in the time domain.Target interface-free resources are in the time domain It is distributed within K1 time resource pond, the K1 time resource pond is the subset in the K time resource pond, and the K1 is a Index and the K1 antenna port group of the time resource pond in the K time resource pond are in the K antenna port group In index be associated.

The antenna of base station configuration is divided into mutiple antennas group, and each antenna sets include more antennas.The antenna Port is formed by stacking by more antennas in one or more antenna sets by antenna virtualization (Virtualization), institute More antennas in one or more described antenna sets are stated to the mapping coefficient composition beam shaping vector of the antenna port. One antenna sets is connected to baseband processor by a RF (Radio Frequency, radio frequency) chain (chain).One The beam shaping vector accumulates structure by the Kronecker of a digital beam shaping vector of analog beam excipient vector sum one Into.The mapping coefficient of more antennas to the antenna ports in the same antenna sets forms the analog wave of this antenna sets Beam excipient vector, the difference antenna sets that an antenna port includes correspond to identical analog beam excipient vector.One The mapping coefficient of difference antenna sets to the antenna port that a antenna port includes forms this antenna port Digital beam excipient vector.

As the sub- embodiment 1 of embodiment 6, the time-domain resource that the K the first subsignals occupy is mutually orthogonal.

As the sub- embodiment 2 of embodiment 6, any one of first subsignal in the K1 the first subsignals The quality of reception is more than the quality of reception of given first subsignal, and given first subsignal is in the K the first subsignals It is not belonging to any one of first subsignal of the K1 the first subsignals.

One sub- embodiment of the sub- embodiment 2 as embodiment 6, the quality of reception are in { RSRP, SINR, SNR } One kind.

As the sub- embodiment 3 of embodiment 6, any one of first subsignal in the K1 the first subsignals The absolute value of difference between the quality of reception and the given quality of reception is less than given threshold value, and the given threshold value is nonnegative real number.

One sub- embodiment of the sub- embodiment 3 as embodiment 6, the given quality of reception are the K first sons The maximum quality of reception in the quality of reception of signal.

As the sub- embodiment 4 of embodiment 6, the K time resource pond and the K antenna port group correspond.

As the sub- embodiment 5 of embodiment 6, index of the K1 antenna port group in the K antenna port group It is continuous.

As the sub- embodiment 6 of embodiment 6, index of the K1 antenna port group in the K antenna port group It is discontinuous.

As the sub- embodiment 7 of embodiment 6, the K1 time resource pond is in the K time resource pond Index is respectively equal to index of the K1 antenna port group in the K antenna port group.

As the sub- embodiment 8 of embodiment 6, the difference antenna port in an antenna port group corresponds to identical The analog beam excipient vector.

As the sub- embodiment 9 of embodiment 6, the difference antenna port in an antenna port group corresponds to different The digital beam excipient vector.

As the sub- embodiment 10 of embodiment 6, the antenna port group includes an antenna port.

As the sub- embodiment 11 of embodiment 6, the antenna port group includes multiple antenna ports.

As the sub- embodiment 12 of embodiment 6, there is no an antenna port belong to simultaneously two it is different described in Antenna port group.

As the sub- embodiment 13 of embodiment 6, the antenna end that the different antenna port group of any two includes The quantity of mouth is identical.

As the sub- embodiment 14 of embodiment 6, at least there are the days that two different antenna port groups include The quantity of line end mouth is different.

As the sub- embodiment 15 of embodiment 6, K receives beam shaping vector and is respectively used to provide in the K time Source receives signal in pond.

One sub- embodiment of the sub- embodiment 15 as embodiment 6, it is institute respectively that described K, which receives beam shaping vector, State the corresponding analog beam excipient vector of K antenna port group.

One sub- embodiment of the sub- embodiment 15 as embodiment 6, the antenna port group include an antenna Port, it is the corresponding beam shaping vector of the K antenna port group respectively that described K, which receives beam shaping vector,.

As the sub- embodiment 16 of embodiment 6, second wireless singal is sent in the target interface-free resources.Described Two wireless signals include K1 the second subsignals, and the K1 the second subsignals are sent out in the K1 time resource pond respectively It send.The recipient of the second wireless singal performs the K1 the second subsignals { relevant detection, noncoherent detection } respectively At least one of, merging then is performed to testing result.

Embodiment 7

Embodiment 7 is illustrated for the structure diagram of the processing unit in UE, as shown in Figure 7.

In fig. 7, UE devices 200 are mainly by the first receiving module 201, first processing module 202, the first sending module 203 and second receiving module 204 form.

First receiving module 201 is for the first wireless signal of reception；First processing module 202 is used for true according to the first parameter Set the goal resource pool, and the objective resource pool is a candidate resource pond in G candidate resource pond；First sending module 203 For sending second wireless singal in target interface-free resources；Second receiving module 204 is used in first time window under monitoring Row signaling.

In embodiment 7, first parameter is positive integer, and first wireless signal is sent by K antenna port group, First wireless signal is used to determine K1 antenna port group, the K1 antenna port by first receiving module 201 Group is the subset of the K antenna port group, and first parameter and the K1 are associated, and the antenna port group includes just whole Several antenna ports.The candidate resource pond includes positive integer interface-free resources, and the interface-free resources include a time-frequency Resource and a characteristic sequence.The target interface-free resources are the interface-free resources in the objective resource pool.One The RU numbers that the difference interface-free resources in a candidate resource pond occupy are identical, in the different candidate resource ponds The interface-free resources occupy RU numbers be different.The RU occupies a subcarrier on frequency domain, occupies in the time domain The duration of one wideband symbol.The K is greater than 1 positive integer, and the K1 is no more than the positive integer of K, and the G is big In 1 positive integer.The downlink signaling is physical layer signaling, the mark of the downlink signaling and { the target interface-free resources institute The time-domain resource of occupancy, the occupied frequency domain resource of target interface-free resources, the target interface-free resources are occupied described Characteristic sequence } at least one of it is associated.

As the sub- embodiment 1 of embodiment 7, the objective resource pool includes K time resource pond, the K in the time domain A time resource pond is mutually orthogonal in the time domain.The target interface-free resources be distributed in the time domain K1 time resource pond it Interior, the K1 time resource pond is the subset in the K time resource pond, and the K1 time resource pond is at described K Between index in resource pool and index of the K1 antenna port group in the K antenna port group be associated.

As the sub- embodiment 2 of embodiment 7, first sending module 203 is additionally operable in the objective resource pool certainly Row determines the target interface-free resources.

As the sub- embodiment 3 of embodiment 7, second receiving module 204 is additionally operable to receive third wireless signal.Its In, the downlink signaling includes the scheduling information of the third wireless signal；Or the third wireless signal includes the first sequence Row and the first data, the First ray and { the occupied time-domain resource of target interface-free resources, the target interface-free resources Occupied frequency domain resource, the occupied characteristic sequence of target interface-free resources } at least one of it is associated.

As the sub- embodiment 4 of embodiment 7, first receiving module 201 is additionally operable to receive downlink information.Wherein, institute Downlink information is stated to be used to determine { the G candidate resource by the first processing module 202 and first sending module 203 Pond, the K time resource pond, correspondence between the K time resource pond and the K antenna port group } at least One of.

As the sub- embodiment 5 of embodiment 7, RU numbers and institute that the interface-free resources in the objective resource pool occupy State the first parameter linear correlation.

Embodiment 8

Embodiment 8 is illustrated for the structure diagram of the processing unit in base station, as shown in Figure 8.

In attached drawing 8, base station apparatus 300 is mainly by the second sending module 301, Second processing module 302, third reception mould Block 303 and third sending module 304 form.

Second sending module 301 is for the first wireless signal of transmission；Second processing module 302 is used for according to objective resource pool Determine the first parameter, the objective resource pool is a candidate resource pond in G candidate resource pond；Third receiving module 303 For receiving second wireless singal in target interface-free resources；Third sending module 304 is used in first time window under sending Row signaling.

In embodiment 8, first parameter is positive integer, and first wireless signal is sent by K antenna port group, First wireless signal is used for determining K1 antenna port group, and the K1 antenna port group is the K antenna port The subset of group, first parameter and the K1 are associated, and the antenna port group includes positive integer antenna port.The time Resource pool is selected to include positive integer interface-free resources, the interface-free resources include a running time-frequency resource and a feature sequence Row.The target interface-free resources are the interface-free resources in the objective resource pool.In one candidate resource pond RU (Resource Unit, resource units) number for occupying of the difference interface-free resources be identical, the different candidate moneys The RU numbers that the interface-free resources in the pond of source occupy are different.The RU occupies a subcarrier on frequency domain, in time domain The upper duration for occupying a wideband symbol.The K is greater than 1 positive integer, and the K1 is no more than the positive integer of K, institute State the positive integer that G is greater than 1.The downlink signaling is physical layer signaling, the mark of the downlink signaling and { target is eated dishes without rice or wine The occupied time-domain resource of resource, the occupied frequency domain resource of target interface-free resources, occupied by the target interface-free resources The characteristic sequence at least one of it is associated.

As the sub- embodiment 1 of embodiment 8, the objective resource pool includes K time resource pond, the K in the time domain A time resource pond is mutually orthogonal in the time domain.The target interface-free resources be distributed in the time domain K1 time resource pond it Interior, the K1 time resource pond is the subset in the K time resource pond, and the K1 time resource pond is at described K Between index in resource pool and index of the K1 antenna port group in the K antenna port group be associated.

As the sub- embodiment 2 of embodiment 8, the third receiving module 303 is additionally operable to adopt the second wireless singal Signal is received with the reception based on blind Detecting, i.e., in each interface-free resources included in the objective resource pool and is examined It surveys, judges to detect if testing result meets specified criteria successfully, otherwise judge detection failure.

As the sub- embodiment 3 of embodiment 8, the third sending module 304 is additionally operable to send third wireless signal.Its In, the downlink signaling includes the scheduling information of the third wireless signal；Or the third wireless signal includes the first sequence Row and the first data, the First ray and { the occupied time-domain resource of target interface-free resources, the target interface-free resources Occupied frequency domain resource, the occupied characteristic sequence of target interface-free resources } at least one of it is associated.

As the sub- embodiment 4 of embodiment 8, second sending module 301 is additionally operable to send downlink information.Wherein, institute State downlink information be used for determining the G candidate resource pond, the K time resource pond, the K time resource pond and At least one of correspondence between the K antenna port group }.

As the sub- embodiment 5 of embodiment 8, RU numbers and institute that the interface-free resources in the objective resource pool occupy State the first parameter linear correlation.

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 enabled to complete, described program can be stored in computer readable storage medium, such as read-only memory, 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 It answers, each modular unit in above-described embodiment, example, in hardware realization may be used, it can also be by the form of software function module It realizes, 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 computer, notebook, card of surfing Internet, NB-IOT terminals, eMTC terminals.In the present invention Base station or system equipment include but not limited to the wireless 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 replacement, improve etc., it should be included in the protection of the present invention Within the scope of.

Claims

1. a kind of method being used in the UE of random access, wherein, include the following steps：

Step A. receives the first wireless signal；

Step B. determines objective resource pool according to the first parameter, and the objective resource pool is a time in G candidate resource pond Select resource pool；

Step C. sends second wireless singal in target interface-free resources.

Wherein, first parameter is positive integer, and first wireless signal is sent by K antenna port group, first nothing Line signal is used for determining K1 antenna port group, and the K1 antenna port group is the subset of the K antenna port group, institute Stating the first parameter and the K1 is associated, and the antenna port group includes positive integer antenna port.The candidate resource Chi Bao Positive integer interface-free resources are included, the interface-free resources include a running time-frequency resource and a characteristic sequence.The target Interface-free resources are the interface-free resources in the objective resource pool.The difference sky in one candidate resource pond RU (Resource Unit, resource units) number of mouthful resource occupation be it is identical, it is described in the different candidate resource ponds The RU numbers that interface-free resources occupy are different.The RU occupies a subcarrier on frequency domain, occupies in the time domain one wide The duration of tape symbol.The K is greater than 1 positive integer, and the K1 is no more than the positive integer of K, and the G is greater than 1 Positive integer.

2. according to the method described in claim 1, it is characterized in that, the objective resource pool includes K time money in the time domain Source pond, the K time resource pond are mutually orthogonal in the time domain.The target interface-free resources are distributed in K1 time in the time domain Within resource pool, the K1 time resource pond is the subset in the K time resource pond, and the K1 time resource pond is in institute The index and index of the K1 antenna port group in the K antenna port group stated in K time resource pond are associated.

3. according to claim 1, the method described in 2, which is characterized in that the step C further includes following steps：

Step C0. voluntarily determines the target interface-free resources in the objective resource pool.

4. according to the method described in claim 1-3, which is characterized in that further include following steps：

Step D. monitors downlink signaling in first time window；

Wherein, the downlink signaling is physical layer signaling, the mark of the downlink signaling and { occupied by the target interface-free resources Time-domain resource, the occupied frequency domain resource of target interface-free resources, the occupied feature of target interface-free resources Sequence } at least one of it is associated.

5. according to the method described in claim 1-4, which is characterized in that the step D further includes following steps：

Step D0. receives third wireless signal；

Wherein, the downlink signaling includes the scheduling information of the third wireless signal；Or the third wireless signal includes First ray and the first data, the First ray and { the occupied time-domain resource of target interface-free resources, the target empty Mouthful occupied frequency domain resource of resource, the occupied characteristic sequence of target interface-free resources } at least one of correlation Connection.

6. according to the method described in claim 1-5, which is characterized in that the step A further includes following steps：

Step A0. receives downlink information；

Wherein, the downlink information is used for determining { the G candidate resource pond, the K time resource pond, at described K Between correspondence between resource pool and the K antenna port group at least one of.

7. according to the method described in claim 1-6, which is characterized in that the interface-free resources in the objective resource pool occupy RU numbers and first parameter it is linearly related.

8. a kind of method being used in the base station of random access, wherein, include the following steps：

Step A. sends the first wireless signal；

Step B. determines the first parameter according to objective resource pool, and the objective resource pool is a time in G candidate resource pond Select resource pool；

Step C. receives second wireless singal in target interface-free resources.

9. according to the method described in claim 8, it is characterized in that, the objective resource pool includes K time money in the time domain Source pond, the K time resource pond are mutually orthogonal in the time domain.The target interface-free resources are distributed in K1 time in the time domain Within resource pool, the K1 time resource pond is the subset in the K time resource pond, and the K1 time resource pond is in institute The index and index of the K1 antenna port group in the K antenna port group stated in K time resource pond are associated.

10. according to claim 8, the method described in 9, which is characterized in that the step C further includes following steps：

Step C0. using the reception based on blind Detecting, i.e., includes every the second wireless singal in the objective resource pool Signal is received in a interface-free resources and is detected, is judged to detect if testing result meets specified criteria successfully, it is no Then judge detection failure.

11. according to the method described in claim 8-10, which is characterized in that further include following steps：

Step D. sends downlink signaling in first time window；

12. according to the method described in claim 8-11, which is characterized in that the step D further includes following steps：

Step D0. sends third wireless signal；

13. according to the method described in claim 8-12, which is characterized in that the step A further includes following steps：

Step A0. sends downlink information；

14. according to the method described in claim 8-13, which is characterized in that the interface-free resources in the objective resource pool account for RU numbers and first parameter are linearly related.

15. a kind of user equipment for being used for random access, wherein, including following module：

First receiving module：For receiving the first wireless signal；

First processing module：For determining objective resource pool according to the first parameter, the objective resource pool is G candidate resource pond In a candidate resource pond；

16. user equipment according to claim 15, which is characterized in that further include following module：

17. a kind of base station equipment for being used for random access, wherein, including following module：

Second sending module：For sending the first wireless signal；

Second processing module：For determining the first parameter according to objective resource pool, the objective resource pool is G candidate resource pond In a candidate resource pond；

18. base station equipment according to claim 17, which is characterized in that further include following module：

Third sending module：For sending downlink signaling in first time window.