CN109803445A

CN109803445A - Communication means and device

Info

Publication number: CN109803445A
Application number: CN201711148989.0A
Authority: CN
Inventors: 黄煌; 邵华; 颜矛
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2019-05-24
Anticipated expiration: 2037-11-17
Also published as: CN109803445B

Abstract

A kind of communication means and device.Random access preamble is sent to the network equipment by RO；Receive the Downlink Control Information that the network equipment is sent, wherein descramble to the PDCCH for receiving DCI using RA-RNTI；Wherein, RA-RNTI is related at least one following parameter: the index of the initial uplink access frequency band of the index of carrier wave, RO where the time index of RO, RO on carrier wave, RO the frequency indices of RO of initial uplink access frequency band, the index of downlink synchronous signal block, the index of reference signal, random access preamble packet index；According to RA-RNTI, the random access response that the network equipment is sent is received.The network equipment scrambles PDCCH by using according to RA-RNTI relevant to multiple parameters, and terminal device can be accurately received the random access response of itself according to the RA-RNTI, so as to realize the random access in NR system.

Description

Communication means and device

Technical field

This application involves field of communication technology more particularly to a kind of communication means and device.

Background technique

In the random access procedure of traditional long term evolution (long term evolution, LTE) communication system, with Machine accesses radio network temporary identifier (radio access-radio network temporary identifier, RA- RNTI) it is mainly used for random access resource used by distinguishing different terminal equipment.Base station connects in specific time-frequency resource It, can be according to RA-RNTI=1+t after receiving random access preamble transmitted by terminal device (preamble)_id+10f_idIt calculates Result to send Downlink Control Information (downlink control information, DCI) Physical Downlink Control Channel Cyclic redundancy check (the cyclic redundancy of (physical downlink control channel, PDCCH) Check, CRC) information scrambled.Terminal device descrambles PDCCH by the RA-RNTI of itself, judges indicated by DCI Content whether be random access response (random access response, RAR) that base station is sent to itself.In LTE, Since the audit window of RAR does not overlap each other, while the time-frequency resources of RA-RNTI and RAR correspond, so that terminal Equipment utilization RA-RNTI can be with the corresponding relationship between the unique identification random access preamble sent and random access response.

However, in new generation of wireless (new radio, NR) communication system, in order to support bigger subcarrier spacing, more Complicated wave beam management, the configuration of random access resource is more diversified, and the design of RA-RNTI needs to be considered again.Specifically For, there is the design of RA-RNTI problem in need of consideration in NR: 1) under bigger subcarrier spacing, orthogonal frequency in subframe It is multiplexed (orthogonal frequency divided multiplexing, OFDM) symbol (symbol) and time slot (slot) Number will be more than LTE；2) under different working bands, synchronization signal block burst (synchronous signal Block/physical broadcast channel burst, SS/PBCH block Burst) period and actual transmissions SS/PBCH block number is indefinite；3) mapping of SS/PBCH block and random access chance (RACH occasion, RO) is closed System is complicated.

Therefore, in NR system, how PDCCH to be scrambled using suitable RA-RNTI, keeps terminal device quasi- The random access response of itself really is received, to realize the random access in NR system, is a problem to be solved.

Summary of the invention

The application provides a kind of communication means and device, to realize the random access in NR system.

The application's in a first aspect, provide a kind of communication means, comprising: terminal device is sent by random access chance For random access preamble to the network equipment, the random access chance includes sending the random access chance of the random access preamble Time and random access chance frequency；The terminal device receives the Downlink Control Information that the network equipment is sent, In, the physical down for receiving the Downlink Control Information is controlled using random access radio network temporary identifier RA-RNTI Channel is descrambled；Wherein, the RA-RNTI is related at least one following parameter: the time index of random access chance, with It is the index of initial uplink access frequency band where the index of carrier wave, random access chance where machine accesses chance on carrier wave, random The frequency indices of random access chance of initial uplink access frequency band, the index of downlink synchronous signal block, ginseng where accessing chance Examine the index of signal, the packet index of random access preamble；And the terminal device receives the network according to RA-RNTI The random access response that equipment is sent.In this aspect, by using basis RA-RNTI relevant to multiple parameters to PDCCH Descrambled, terminal device can be accurately received the random access response of itself according to the RA-RNTI, so as to realize Random access in NR system.

The second aspect of the application provides a kind of communication means, comprising: network equipment receiving terminal apparatus passes through random The random access preamble that chance is sent is accessed, the random access chance includes the random access for sending the random access preamble The time of chance and the frequency of random access chance；The network equipment sends Downlink Control Information and random access response to institute State terminal device, wherein using random access radio network temporary identifier RA-RNTI to the object for sending the Downlink Control Information Reason down control channel is scrambled；Wherein, the RA-RNTI is related at least one following parameter: random access chance The initial uplink access frequency band of the index of carrier wave, random access chance where time index, random access chance on carrier wave Index, random access chance are in the frequency indices of random access chance of initial uplink access frequency band, downlink synchronous signal block The packet index of index, the index of reference signal, random access preamble.In this aspect, the network equipment by using according to The relevant RA-RNTI of multiple parameters scrambles PDCCH, and terminal device can be accurately received certainly according to the RA-RNTI The random access response of body, so as to realize the random access in NR system.

With reference to first aspect and second aspect, in one possible implementation, the RA-RNTI in different carrier waves is not mutually It is identical；And/or the RA-RNTI in different carrier waves is spacedly distributed；And/or the RA-RNTI in the same carrier wave is continuously distributed.

With reference to first aspect and second aspect, the RA-RNTI etc. in alternatively possible implementation, in M carrier wave It is spaced apart, i-th on m-th of carrier waveAre as follows:

Wherein, RA-RNTI_carrierFor distribute to each carrier wave RA-RNTI number.

With reference to first aspect and second aspect, the same carrier wave in another possible implementation, in M carrier wave Interior RA-RNTI is continuously distributed, i-th on m-th of carrier waveAre as follows:

Or

Wherein, RNTI_mThe number of index is indicated for first RA-RNTI for distributing to m-th of carrier wave, size of { }.

With reference to first aspect and second aspect, in another possible implementation, RA-RNTI is according to random access machine The time index t of meeting_id, carrier wave where random access chance index c_id, initial uplink on carrier wave where random access chance Access the index b of frequency band_id, initial uplink access frequency band where random access chance random access chance frequency indices f_id、 The index s of downlink synchronous signal block_id, reference signal index rs_id, random access preamble packet index s_gAt least one of When parameter determines, participate in determining sequence and comprise at least one of the following: the index of reference signal finally participates in calculating；Or downlink is same The index of block or the packet index of random access preamble are walked before the index of reference signal；Or carrier index is located at institute Before having a parameter；Or carrier index is located at after all parameters；Or the index and random access chance of initial uplink access frequency band Frequency indices it is adjacent；Or carrier index, initial uplink access frequency band index and random access chance frequency indices it is adjacent.

With reference to first aspect and second aspect, in another possible implementation, the RA-RNTI according to connecing at random Enter the time index t of chance_id, carrier wave where random access chance index c_id, it is initial on carrier wave where random access chance The index b of multi-upstream access frequency band_id, initial uplink access frequency band where random access chance random access chance frequency indices f_id, downlink synchronous signal block index s_id, reference signal index rs_idIt determines, are as follows:

RA-RNTI=1+c_id+N₀×{t_id+N₁(f_id+N₂b_id)+N₃[s_idf_ssb+(N₄+rs_id)×(1-f_ssb)]}

Wherein, f_ssb∈ { 0,1 } indicate RA-RNTI calculate whether the index based on downlink synchronous signal block；The f_ssb=1 It indicates that RA-RNTI is related to following the two: being closed with the associated random access preamble of downlink synchronous signal block and with reference signal The random access preamble and reference signal and downlink synchronous signal block of connection have quasi- co-located QCL relationship；f_ssb=0 indicates and refers to The associated random access preamble of signal and the reference signal and downlink synchronous signal block do not have QCL relationship；

N₀=size of { c_id, N₁=size of { t_id, N₂=size of { f_id, N₃=N₁N₂×size of{b_id, N₄=size of { s_id, size of { } indicates the number of index.

The third aspect of the application provides a kind of communication means, comprising: terminal device is sent by random access chance For random access preamble to the network equipment, the random access chance includes sending the random access chance of the random access preamble Time and random access chance frequency；The terminal device receives the Downlink Control Information that the network equipment is sent, In, the physical down for receiving the Downlink Control Information is controlled using random access radio network temporary identifier RA-RNTI Channel is descrambled；Wherein, the RA-RNTI is related at least one following parameter: the time index of random access chance, with Machine accesses the grouping rope of the frequency indices of chance, the index of downlink synchronous signal block, the index of reference signal, random access preamble Draw；And the terminal device receives the random access response that the network equipment is sent according to RA-RNTI.In this aspect, PDCCH is descrambled by using according to RA-RNTI relevant to multiple parameters, terminal device can be according to the RA-RNTI It is accurately received the random access response of itself, so as to realize the random access in NR system.

The fourth aspect of the application provides a kind of communication means, comprising: network equipment receiving terminal apparatus passes through random The random access preamble that chance is sent is accessed, the random access chance includes the random access for sending the random access preamble The time of chance and the frequency of random access chance；And the network equipment sends Downlink Control Information and random access response To the terminal device, wherein using random access radio network temporary identifier RA-RNTI to the transmission Downlink Control Information Physical Downlink Control Channel scrambled；Wherein, the RA-RNTI is related at least one following parameter: described to connect at random Enter the time index of chance, the frequency indices of random access chance, the index of downlink synchronous signal block, reference signal index, The packet index of random access preamble.In this aspect, the network equipment is by using according to RA-RNTI relevant to multiple parameters PDCCH is scrambled, terminal device can be accurately received the random access response of itself according to the RA-RNTI, thus The random access in NR system may be implemented.

In conjunction with the third aspect and fourth aspect, in one possible implementation, the frequency of the random access chance Index f_idThe index of carrier wave, random access chance are initial on carrier wave where including at least one of the following: random access chance The index of multi-upstream access frequency band, random access chance access the frequency indices of the random access chance of frequency band in initial uplink.

In conjunction with the third aspect and fourth aspect, in alternatively possible implementation, the RA-RNTI according to connecing at random Enter the time index t of chance_id, random access chance frequency indices f_id, downlink synchronous signal block index s_id, reference signal Index rs_id, downlink signal index, random access preamble packet index s_gAt least one of determine, are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂X₃

Wherein, X₁,X₂,X₃Respectively t_id,f_id,x_idIn it is unduplicated any one, selection sequence represent RA- RNTI calculates the indexed sequential used；The x_idFor the index s of downlink synchronous signal block_id, reference signal index rs_id, downlink The packet index s of signal index, random access preamble_gIn one；N₁=size of { X₁, N₂=size of { X₂, size of { } indicates the number of index.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the RA-RNTI and random access The time index t of chance_id, random access chance frequency indices f_id, reference signal index rs_idCorrelation, and reference signal with Downlink synchronous signal block does not have quasi- co-located QCL relationship, then the RA-RNTI are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂*(N₃+rs_id)

Wherein, X₁,X₂For t_id,f_idIn it is unduplicated any one, selection sequence represent RA-RNTI calculate use Indexed sequential, N₁=size of { X₁, N₂=size of { X₂, size of { } indicates the number of index, N₃Expression and institute State the number that random access preamble is grouped in the associated downlink synchronous signal block of random access chance or the random access chance Mesh.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the RA-RNTI and random access The time index t of chance_id, random access chance frequency indices f_id, downlink synchronous signal block index s_idAnd with reference to letter Number index rs_idCorrelation, and reference signal and downlink synchronous signal block have QCL relationship, and downlink synchronous signal block and reference Signal is associated with the random access preamble in the random access chance, then the RA-RNTI are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂*s_id*f_ssb+N₁N₂*(N₃+s_id)*(1-f_ssb)

The f_ssbWhether ∈ { 0,1 } is indicated that RA-RNTI is calculated and is indexed based on downlink synchronous signal block；The f_ssb=1 table Show that both RA-RNTI or less is related: associated with the associated random access preamble of downlink synchronous signal block and with reference signal Random access preamble and reference signal and downlink synchronous signal block have QCL relationship；Or

The f_ssb=0 indicates and the associated random access preamble of reference signal and the reference signal and down-going synchronous letter Number block does not have QCL relationship；

The X₁And X₂Respectively t_idAnd f_idIn it is unduplicated any one, selection sequence represent RA-RNTI meter Calculate the indexed sequential used, N₁=size of { X₁, N₂=size of { X₂, N₃=size of { s_id, size of { } table Show the number of index.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the RA-RNTI according to connecing at random Enter the time index t of chance_id, random access chance frequency indices f_idIt determines, are as follows:

RA-RNTI=1+t_id+T*f_idOr

RA-RNTI=1+F*t_id+f_id

Wherein, T is the quantity of the time index in corresponding time domain unit, and F is the frequency indices in respective frequencies unit Quantity.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the downlink synchronous signal block Index is to be mapped to the time t_id, frequency f_idIn at least one downlink synchronous signal on corresponding random access resource Index；Or the index of the downlink synchronous signal block is the time t_id, frequency f_idOn corresponding random access resource extremely The index of a few random access preamble set；Or the index of the random access preamble grouping is the time t_id, frequency f_idThe index of leading grouping on corresponding random access resource, it is described it is leading grouping for it is following at least one: association downlink Synchronization signal block, triggering system information, triggering paging message；Or the index of the reference signal is to be mapped to the time t_id, frequency f_idThe index at least one downlink reference signal on corresponding random access resource；Or the downlink signal Index is to be mapped to the time t_id, frequency f_idAt least one downlink synchronous signal block in corresponding random access chance and The logic of reference signal indexes.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the random access chance when Between index and comprise at least one of the following: random access chance in 5ms field, 10ms frame or random access the configuration period when Between starting/end OFDM symbol where index, random access chance connect in 5ms field, 10ms frame or at random Random access time slot where entering the notation index configured in the period, random access chance is in 5ms field, 10ms frame or at random connects Subframe where entering time slot index and the random access chance configured in the period is matched in 5ms field, 10ms frame or random access Set the subframe index in the period.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the random access chance when Between index for removal conflict temporal random access chance time index, and/or increase do not conflict it is temporal with After machine accesses chance, the time index of the random access chance of rearrangement.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the frequency of the random access chance Rate index for the temporal random access chance of removal conflict frequency indices, and/or increase in the frequency that does not conflict with After machine accesses chance, the frequency indices of the random access chance of rearrangement.

In conjunction with the third aspect and fourth aspect, in another possible implementation, the RA-RNTI and random access The time index t of chance_id, random access chance frequency indices f_id, random access preamble packet index s_gCorrelation, and one Downlink synchronous signal block is associated with a random access chance or a downlink synchronous signal block is associated with multiple random access machines Meeting, the RA-RNTI are calculated using the second formula or table.

In conjunction with the third aspect and fourth aspect, in another possible implementation, point of the random access preamble Group index s_gFor the index of the grouping of random access preamble in one or more of random access chances, the random access The quantity of random access preamble in leading grouping is no more than default or configuration value；

Second formula are as follows:

RA-RNTI=1+s_g+N₁*t_id+N₁*T*f_idOr

RA-RNTI=1+s_g+N₁*f_id+N₁*F*t_id

Wherein, N₁=size of { s_g, T=size of { t_id, F=size of { f_id}。

The 5th aspect of the application, additionally provides a kind of communication device, above-mentioned communication means may be implemented.Such as it is described logical T unit can be chip (such as baseband chip or communication chip etc.) or equipment (such as terminal device).Can by software, Hardware or the corresponding software realization above method is executed by hardware.In one possible implementation, the communication dress It include processor, memory in the structure set；The processor is configured to described device is supported to execute in above-mentioned communication means Corresponding function.Memory saves the necessary program of described device (instruction) and/or data for coupling with processor.It can Choosing, the communication device can also include that communication interface is used to support the communication between described device and other network elements.

In alternatively possible implementation, the communication device may include receiving unit and transmission unit.It is described Receiving unit and transmission unit, which are respectively used to realize in the above method, sends and receivees function.For example, transmission unit, for leading to It crosses random access chance and sends random access preamble to the network equipment；Receiving unit, for receiving the network equipment transmission Downlink Control Information；And the receiving unit is also used to receive the random access that the network equipment is sent according to RA-RNTI Response.

When the communication device is chip, receiving unit can be input unit, for example input circuit or communication connect Mouthful；Transmission unit can be output unit, such as output circuit or communication interface.When the communication device is equipment, connect Receiving unit can be receiver (being referred to as receiver)；Transmission unit can be transmitter (being referred to as transmitter).

The 6th aspect of the application, additionally provides a kind of communication device, above-mentioned communication means may be implemented.Such as it is described logical T unit can be chip (such as baseband chip or communication chip etc.) or equipment (such as network equipment, base band veneer).It can be with The corresponding software realization above method is executed by software, hardware or by hardware.

It in one possible implementation, include processor, memory in the structure of the communication device；The processing Device is configured as that described device is supported to execute corresponding function in above-mentioned communication means.Memory is used to couple with processor, Save the necessary program of described device (instruction) and data.Optionally, the communication device can also be used for including communication interface Support the communication between described device and other network elements.

In alternatively possible implementation, the communication device may include transmission unit and receiving unit.It is described Receiving unit and transmission unit, which are respectively used to realize in the above method, sends and receivees function.For example, receiving unit, for connecing Receive the random access preamble that terminal device is sent by random access chance；Transmission unit, for send Downlink Control Information and Random access response gives the terminal device.

The 7th aspect of the application, provides a kind of computer readable storage medium, the computer readable storage medium In be stored with instruction, when run on a computer, so that computer executes method described in above-mentioned various aspects.

The eighth aspect of the application provides a kind of computer program product comprising instruction, when it is transported on computers When row, so that computer executes method described in above-mentioned various aspects.

Detailed description of the invention

Technical solution in ord to more clearly illustrate embodiments of the present application or in background technique below will be implemented the application Attached drawing needed in example or background technique is illustrated.

Fig. 1 is a kind of communication system schematic diagram provided by the embodiments of the present application；

Fig. 2 is the structural schematic diagram of downlink synchronous signal block；

Fig. 3 is the number that different time indexes the time index of random access chance under scale；

Fig. 4 is a kind of interaction flow schematic diagram of communication means provided by the embodiments of the present application；

Fig. 5 is the form schematic diagram of message 2；

Fig. 6 is the interaction flow schematic diagram of another communication means provided by the embodiments of the present application；

Fig. 7 a~Fig. 7 c is the table schematic diagram of RA-RNTI；

Fig. 8 a is the schematic diagram that time domain preferentially indexes；

Fig. 8 b is the schematic diagram that frequency domain preferentially indexes；

Fig. 9 is the form schematic diagram of MAC subheader；

Figure 10 is the form schematic diagram of RAR message；

Figure 11 is that downlink synchronous signal block and random access chance are associated with schematic diagram；

Figure 12 is a kind of hardware structure schematic diagram of the terminal device of simplification provided by the embodiments of the present application；

Figure 13 is a kind of hardware structure schematic diagram of the network equipment of simplification provided by the embodiments of the present application.

Specific embodiment

The embodiment of the present application is described below with reference to the attached drawing in the embodiment of the present application.

Fig. 1 gives a kind of communication system schematic diagram provided by the embodiments of the present application.The communication system may include at least One one or more terminal device 200 network equipment 100 (only showing 1) and connect with the network equipment 100.

The network equipment 100 can be the equipment that can be communicated with terminal device 200.The network equipment 100, which can be, appoints It anticipates a kind of equipment with radio transmission-receiving function.Including but not limited to: base station is (for example, base station NodeB, evolved base station ENodeB, the base station in the 5th generation (the fifth generation, 5G) communication system, the base station in future communication systems or Access node, wireless relay nodes, wireless backhaul node in the network equipment, WiFi system) etc..The network equipment 100 can be with It is the wireless controller under cloud Radio Access Network (cloud radio access network, CRAN) scene.The network equipment 100 can also be the network equipment in 5G network or the network equipment in future evolution network；Can also be wearable device or Mobile unit etc..The network equipment 100 can also be small station, transmission node (transmission reference point, TRP) Deng.Certainly do not apply without being limited thereto.

Terminal device 200 is that a kind of equipment with radio transmission-receiving function can be deployed in land, including indoor or room Outside, hand-held, wearing or vehicle-mounted；(such as steamer) can also be deployed on the water surface；(such as aircraft, gas in the sky can also be disposed On ball and satellite etc.).The terminal device can be mobile phone (mobile phone), tablet computer (Pad), band wireless receiving and dispatching function Computer, virtual reality (Virtual Reality, VR) terminal device, augmented reality (Augmented Reality, AR) of energy Terminal device, the wireless terminal in Industry Control (industrial control), in unmanned (self driving) Wireless terminal, the wireless terminal in tele-medicine (remote medical), the wireless end in smart grid (smart grid) End, the wireless terminal in transportation safety (transportation safety), the wireless end in smart city (smart city) Wireless terminal etc. in end, wisdom family (smart home).Embodiments herein to application scenarios without limitation.Terminal Equipment is referred to as user equipment (user equipment, UE), access terminal equipment, UE unit, the station UE, movement sometimes It stands, mobile station, remote station, remote terminal equipment, mobile device, UE terminal device, terminal device, terminal (terminal), nothing Line communication equipment, UE agency or UE device etc..

It should be noted that the term " system " and " network " in the embodiment of the present application can be used interchangeably." multiple " are Refer to two or more, in consideration of it, " multiple " can also be interpreted as " at least two " in the embodiment of the present application."and/or", The incidence relation of affiliated partner is described, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A, Exist simultaneously A and B, these three situations of individualism B.In addition, character "/" typicallys represent forward-backward correlation pair unless otherwise specified As if a kind of relationship of "or".

In NR system, downlink signal can be downlink synchronous signal block (SS/PBCH block).Fig. 2 gives one kind The signal structure schematic diagram of synchronization signal block, it includes primary synchronization signal (primary synchronization sigal, PSS), secondary synchronization signal (secondary synchronization signal, SSS) and Physical Broadcast Channel (physical broadcast channel, PBCH).PSS and SSS main function be to aid in terminal device identification cell and It is synchronized with cell, PBCH then contains most basic system information, such as System Frame Number, frame timing information etc..Terminal It is its premise for accessing the cell that equipment, which is properly received synchronization signal block,.The structure of synchronization signal block as shown in Figure 2, wherein PSS and SSS occupy respectively 1 orthogonal frequency division multiplexing (orthogonal frequency division multiplexing, OFDM) symbol, PBCH occupy 2 OFDM symbols, and the bandwidth that occupies of PBCH is about 2 times of PSS/SSS.

The corresponding transmission wave beam of one downlink signal.The network equipment can connect at random to the association of each downlink signal is independent Enter resource and random access preamble.When the network equipment receives random access preamble associated with some downlink signal k, can use The corresponding transmission wave beam of downlink signal k sends random access response.Multiple downlink signals form a uplink/downlink signals group, Or claiming downlink signal burst (in a kind of specific example, downlink signal burst can be SS burst), realization is completely covered The multiple downlink signal groups covered then are known as a downlink signal burst collection, and (in a kind of specific example, downlink signal burst collects It can be SS burst set).

Random access resource (RACH resource) can be understood as one or more access random access channel again Random access chance (the RACH occasion/RACH transmission of (random access channel, RACH) Occasion/RACH opportunity/RACH chance, RO).One can be sent in one random access chance at random Access lead format；One random access burst (RACH burst) may include at least one random access chance；One with Machine access burst collection (RACH burst set) may include at least one random access set of bursts.

In the embodiment of the present application, the calculating of RA-RNTI needs to consider the time index of the time-frequency location where RO, In, the time index of RO may include but be not limited only to:

1.RO is in 5ms field (half frame)/10ms frame/random access channel configuration period (RACH period) Time index.For example, altogether including T in time domain in a 5ms half frame/10ms frame/RACH period A RO, then the time index value range for calculating RA-RNTI is t_id=0 ..., T-1.

Starting/end OFDM symbol is in 5ms half frame/10ms frame/RACH period where 2.RO In notation index (symbol index).At this point, starting/end OFDM symbol of RO can be in 5ms half Global index in frame/10ms frame/RACH period, for example, a 5ms half frame/10ms frame/ One shares 10 subframe in RACH period, wherein each subframe includes 2 slot, it include 12 in each slot A starting/end OFDM symbol, then the time index of RO can be expressed as t_id=0 .., (10*12*2-1).

Random access time slot (RACH slot) is in 5ms half frame/10ms frame/RACH where 3.RO Time slot in period indexes (slot index).

Subframe of the subframe (subframe) in 5ms half frame/10ms frame/RACH period where 4.RO It indexes (subframe index).

T is indicated under different time index scale, in a 5ms half frame/10ms frame/RACH period The number of time index.As shown in Figure 3, for example, subcarrier spacing is in the case where 120KHz, each subframe includes 8 In the case that slots, each RACH slot include 12 RACH symbol, when the time index of RO is based on starting symbol's When, t_id=0.. (10*8*12-1)；When the time index of RO is based on starting slot, t_id=0.. (10*8-1)；When When the time index of RO is based on subframe, t_id=0.. (10-1).

It due to that may include multiple RO in a RACH slot, while may also include more in a RACH subframe A RACH slots needs joint DCI and/or RAR when time index is based on RACH slot and RACH subframe It is further to symbol and/or slot to be indicated, determine the corresponding RO of UE.

In addition, in a tdd system, the position that occurs due to RO may with downlink synchronous signal block (SS/PBCH block), Remaining minimum system information control resource collection (RMSI CORESET) generates conflict, and the network equipment will not be at this and pass at this time Defeated RO, new RACH resource can be added on available ascending time slot, and the time index of RO will be carried out uniformly again at this time Logical number.For example, 4 RO are respectively on the 2/4/6/8th time slot in subframe 1, in subframe 2, due to time slot 2 with SS/PBCH block is clashed, and the network equipment is using the resource of time slot 3 as new RO, then the RO of subframe 2 is in 3/4/6/8 On.For the cell, the time slot position that RO may be in is 2/3/4/6/8, at this time for the subsequent calculating side RA-RNTI It just, is 0/1/2/3/4 by all time index Unified numbers for being likely to occur RO.The time index of the i.e. described random access chance The temporal random access not conflicted for the time index of the temporal random access chance of removal conflict, and/or increase After chance, the time index of the random access chance of rearrangement.

If explanation is not added in following example, the time index about RO is all made of above-mentioned indicating means.

The embodiment of the present application provides a kind of communication means and device, and the network equipment is by using according to related to multiple parameters RA-RNTI PDCCH is scrambled, terminal device can be accurately received the random access of itself according to the RA-RNTI Response, so as to realize the random access in NR system.

Fig. 4 is a kind of interaction flow schematic diagram of communication means provided by the embodiments of the present application, and this method may include following Step:

S401, terminal device send random access preamble to the network equipment, the random access by random access chance Chance includes the time for the random access chance for sending the random access preamble and the frequency of random access chance.The network equipment The random access preamble that receiving terminal apparatus is sent by random access chance.

S402, the network equipment send Downlink Control Information to the terminal device.Described in the terminal device receives The Downlink Control Information that the network equipment is sent.Wherein, using random access radio network temporary identifier RA-RNTI to receiving The Physical Downlink Control Channel for stating Downlink Control Information is descrambled；Wherein, the RA-RNTI and at least one following parameter phase Close: the time index of random access chance, the index of random access chance place carrier wave, random access chance are first on carrier wave The index of beginning multi-upstream access frequency band, random access chance the random access chance of initial uplink access frequency band frequency indices, The index of downlink synchronous signal block, the index of reference signal, random access preamble packet index.

S403, the network equipment send random access response to the terminal device.The terminal device is according to RA- RNTI receives the random access response that the network equipment is sent.

Terminal device sends to the network equipment and requests, and for initiating random access, which is properly termed as at random for the request Access request, random access request message, message 1 (msg1), random access preamble (preamble) or other customized names Claim, is not limited thereto.The embodiment of the present application is illustrated with random access request example.The network equipment receives random access After request, response message is sent to terminal device, which is properly termed as random access and rings for responding above-mentioned request It answers, accidental access response message, message 2 (msg2) or other customized titles, is not limited thereto.The embodiment of the present application with Random access response example is illustrated.It should be noted that the form schematic diagram of message 2 as shown in Figure 5, msg2 can also be with Random access response (RAR1~RARn) including multiple terminal devices, the running time-frequency resource that each terminal device is indicated according to DCI The random access response of itself is obtained in msg2.

In the present embodiment, RA-RNTI is related at least above parameter: the time index of random access chance, with The index of the initial uplink access frequency band of the index of carrier wave, random access chance where machine access chance on carrier wave connects at random Enter chance and accesses the frequency indices of the random access chance of frequency band, the index of downlink synchronous signal block, with reference to letter in initial uplink Number index, random access preamble packet index.

For example, RA-RNTI can use following calculation formula:

RA-RNTI=RNTI₀+c_id+N₀×{t_id+N₁(f_id+N₂b_id)

+N₃[s_idf_ssb+(N₄+rs_id)×(1-f_ssb)]}

RNTI described herein₀It is system configuration or predefined nonnegative integer for RA-RNTI initial value, such as It is 1；

The f_ssb∈ { 0,1 } indicate RA-RNTI calculate whether the index based on SS/PBCH block；The f_ssb=1 table Show that RA-RNTI is related to following the two: being associated with the associated random access preamble of downlink synchronous signal block and with reference signal Random access preamble and reference signal and downlink synchronous signal block there is quasi- co-located QCL relationship；f_ssb=0 indicates to believe with reference Number associated random access preamble and the reference signal and downlink synchronous signal block do not have QCL relationship；

c_idIndicate the index of carrier wave, t_idIndicate the time index of random access chance, f_idIndicate the frequency of random access chance Rate index, b_idIndicate the index of the initial uplink access frequency band on designated carrier, s_idIndicate the rope of downlink synchronous signal block Draw, rs_idIndicate the index of reference signal, N₀=size of { c_id, N₁=size of { t_id},N₂=size of { f_id},N₃= N₁N₂×size of{b_id},N₄=size of { s_id, size of { } indicates the number of index.N₄It indicates and the associated SS/ of RO The number of PBCH block can be notified by the network equipment to terminal device.

The calculating of the above RA-RNTI is only a kind of example, can also there is other calculations.It is above-mentioned in the present embodiment Multiple parameters participate in the sequence that RA-RNTI is determined and comprise at least one of the following:

The index of reference signal finally participates in calculating；Or

The index of downlink synchronous signal block is before the index of reference signal；Or

Carrier index is located at before all parameters；Or

Carrier index is located at after all parameters；Or

The index of initial uplink access frequency band and the frequency indices of random access chance are adjacent；Or

The frequency indices of carrier index, the index of initial uplink access frequency band and random access chance are adjacent.

The above are for example, when calculating RA-RNTI, the sequence of multiple parameters is with no restriction in the application.

For example, cell random access procedure only includes under UL carrier case, RA-RNTI is initiated with 1 can be with are as follows:

RA-RNTI=1+0+t_id+T(f_id+N₂b_id)+TF[s_idf_ssb+(L+rs_id)×(1-f_ssb)]

Alternatively, in the case that cell random access procedure includes UL carrier wave and SUL carrier wave, for leading in UL carrier wave, Its RA-RNTI can be with when being initiated with 1 are as follows:

RA-RNTI=1+0+2 × { t_id+T(f_id+N₂b_id)+TF[s_idf_ssb+(L+rs_id)×(1-f_ssb)] SUL is carried It is leading in wave, it can be with when RA-RNTI is initiated with 1 are as follows:

RA-RNTI=1+1+2 × { t_id+T(f_id+N₂b_id)+TF[s_idf_ssb+(L+rs_id)×(1-f_ssb)]}

After having designed RA-RNTI, RA-RNTI's is assigned following methods: the RA-RNTI in different carrier waves is mutually not It is identical；And/or the RA-RNTI in different carrier waves is spacedly distributed；And/or the RA-RNTI in the same carrier wave is continuously distributed.

Specifically, a kind of implementation are as follows: the RA-RNTI in M carrier wave is spacedly distributed, i-th on m-th of carrier waveAre as follows:

Wherein, RA-RNTI_carrierFor distribute to each carrier wave RA-RNTI number.

Another implementation are as follows: the RA-RNTI in the same carrier wave in M carrier wave is continuously distributed, on m-th of carrier wave I-thAre as follows:

Or

RA-RNTI is calculated according to the above parameter in terminal device.The network equipment receives terminal device transmission After preamble, RA-RNTI is also calculated in the same way, and the CRC for sending the PDCCH of DCI is then scrambled with the RA-RNTI Information, the DCI indicate the running time-frequency resource position of RAR.The RA-RNTI that terminal device is calculated with itself descrambles PDCCH, thus DCI is obtained, so that it is determined that being sent to the RAR of itself.

According to a kind of communication means provided by the embodiments of the present application, the network equipment is by using according to related to multiple parameters RA-RNTI PDCCH is scrambled, terminal device can be accurately received the random access of itself according to the RA-RNTI Response, so as to realize the random access in NR system.

Fig. 6 is the interaction flow schematic diagram of another communication means provided by the embodiments of the present application, this method may include with Lower step:

S601, terminal device send random access preamble to the network equipment, the random access by random access chance Chance includes the time for the random access chance for sending the random access preamble and the frequency of random access chance.The network Equipment receives the random access preamble.

S602, the network equipment send Downlink Control Information to the terminal device, wherein wireless using random access Network Temporary Identifier RA-RNTI scrambles the Physical Downlink Control Channel for sending the Downlink Control Information；Wherein, described RA-RNTI is related at least one following parameter: the frequency rope of the time index of the random access chance, random access chance Draw, the packet index of the index of the index of downlink synchronous signal block, reference signal, random access preamble.The terminal device connects Receive the Downlink Control Information.

S603, the network equipment send random access response to the terminal device.The terminal device is according to RA- RNTI receives the random access response that the network equipment is sent.

In the present embodiment, the frequency indices of RO may include at least one of following: carrier wave where random access chance The initial uplink of index, random access chance on carrier wave accesses frequency band (initial active uplink bandwidth Part, IA UL BWP) index, random access chance initial uplink access frequency band random access chance frequency indices.

About the determination of frequency indices, including following methods:

One kind is achieved in that: frequency indices are in intercarrier Unified number:

In one embodiment, if IA UL BWP number is equal in multiple carrier waves, it is assumed that the IA UL BWP where RO Interior index is i, and index is j, carrier index locating for the IA UL BWP where RO in carrier wave locating for IA UL BWP where RO For k, wherein the RO number that each IA UL BWP is included is I, the number of IA UL BWP is J, total carrier number in each carrier wave Mesh is K, then the frequency indices of RO can indicate are as follows:

f_id=RNTI₀+i+jI+IJk,0≤i≤I-1,0≤j≤J-1,0≤k≤K-1

In another embodiment, RO directly carries out unified numeral index on all carrier-grades, as frequency domain is all Total RO number is F on carrier wave, then f_id=0 ..., F-1.In another example if the number of IA UL BWP is not identical in up-link carrier, In the case that RO number in each IA UL BWP is also different, it is assumed that total carrier number is K, includes M in k-th of carrier wave_kIt is a K-th of BWP of the IA UL RO number that j-th of IA UL BWP has in carrier wave is N_kj, then j-th of IA UL in k-th of carrier wave I-th of RO frequency indices of BWP can indicate are as follows:

Another is achieved in that: the relevant parameter Unified number of all RA-RNTI in carrier wave:

In one embodiment: if there is M carrier wave, the index of RA-RNTI is sequentially allocated respectively to different carrier waves. Such as the 1st, M+1, the index of a RA-RNTI of 2M+1 ... distributes to first carrier wave, a RA-RNTi of the 2nd, M+2,2M+2 ... Index distribute to second carrier wave.

For example it is assumed that the RA-RNTI number for distributing to each carrier wave is RA-RNTI_carrier.For in each carrier wave, RA-RNTI_carrierIt is contemplated that RO time-frequency index, associated SS/PBCH BLOCK index, CSI index calculate.For cell branch M carrier wave is held, i-th on m-th of carrier waveIt distributes with the following method:

In another embodiment: first carrier wave being given into the preceding part of RA-RNTI, partially gives second load afterwards Wave.Such as in the scene of SUL and UL, only 2 carrier waves.

For example, the index of RA-RNTI is successively distributed to different carrier waves, such as first 100 are given first carrier wave, after 50 are given second carrier wave.It is assumed that the index in i-th of carrier wave isThen i-th on m-th of carrier waveIt distributes with the following method:

In addition, the frequency indices of the random access chance are the frequency of the temporal random access chance of removal conflict After the random access chance in frequency that index, and/or increase do not conflict, the frequency rope of the random access chance of rearrangement Draw.

If explanation is not added in following example, the frequency indices about RO are all made of above-mentioned indicating means.

Below according to the design for being associated with branch scape and RA-RANTI being described of RA-RNTI and parameters:

In a scenario, the time index of RA-RNTI and random access chance, random access chance frequency indices, The index of downlink synchronous signal block, the index of reference signal, downlink signal index, random access preamble packet index in extremely A few correlation:

1, multiple SS/PBCH block are associated with a RO

When multiple SS/PBCH block are associated with a RO, the design of RA-RNTI need to consider a RAR window/ RACH configures RO and the index of SS/PBCH block, the frequency indices of RO, RO in period/downlink synchronous signal block Burst Period Time index it is related.RA-RNTI can be calculated using following formula:

RA-RNTI=RNTI₀+X₁+N₁X₂+N₁N₂X₃

Wherein, X₁,X₂,X₃Respectively t_id,f_id,x_idIn it is unduplicated any one, selection sequence represent RA- RNTI calculates the indexed sequential used, the x_idFor the index s of downlink synchronous signal block_id, reference signal index rs_id, downlink The packet index s of signal index, random access preamble_gIn one；t_idIndicate the time index of random access chance, f_idIndicate with Machine accesses the frequency indices of chance, N₁=size of { X₁, N₂=size of { X₂, size of { } indicates the number of index.

For example, working as X₁,X₂,X₃Respectively indicate x_id,t_id,f_idWhen, and when in a RAR window/RACH configuration period/downlink In synchronization signal block Burst Period and the number of SS/PBCH block associated by the same RO is L, the number of the time index of RO Mesh is T, and the number of the frequency indices of RO is F on each time index, then RA-RNTI can be indicated are as follows:

RA-RNTI=1+X_id+L*t_id+L*T*f_id

It is searched alternatively, such as RA-RNTI is calculated using table shown in Fig. 7 a.

In another example working as X₁,X₂,X₃Respectively indicate t_id, x_id, f_idWhen, then RA-RNTI can be indicated are as follows:

RA-RNTI=1+t_id+T*x_id+T*L*f_id

In another example working as X₁,X₂,X₃Respectively indicate t_id, f_id, x_idWhen, then RA-RNTI can be indicated are as follows:

RA-RNTI=1+t_id+T*f_id+T*F*x_id

In another example working as X₁,X₂,X₃Respectively indicate f_id,t_id,x_idWhen, then RA-RNTI can be indicated are as follows:

RA-RNTI=1+f_id+F*t_id+F*T*x_id

In another example working as X₁,X₂,X₃Respectively indicate f_id,x_id,t_idWhen, then RA-RNTI can be indicated are as follows:

RA-RNTI=1+f_id+F*x_id+F*L*t_id

Wherein, the index of the downlink synchronous signal block is corresponding random to be mapped to the time index, frequency indices Access the index at least one downlink synchronous signal block in chance；Or

The index of the downlink synchronous signal block is the time index, in the corresponding random access chance of frequency indices The index of at least one random access preamble set；Or

The index of the reference signal is to be mapped in the corresponding random access chance of the time index, frequency indices The index of leading grouping, it is described it is leading grouping for it is following at least one: association downlink synchronous signal block, triggering system information, Trigger paging message；Or

The downlink signal index is to be mapped in the corresponding random access chance of the time index, frequency indices extremely The logic index of a few downlink synchronous signal block and reference signal.

In reference signal and SS/PBCHblock, there is no quasi- co-located (Quasi Co-Location, QCL) relationships, or When positioned at different downlink signal/base station beam/terminal beams, downlink signal index refers to virtual downlink synchronous signal block rope Draw；Otherwise downlink signal index refers to that downlink synchronous signal block indexes.That is, downlink signal index can be virtual/extension/original SS/PBCH block index.

2, multiple SS/PBCH block are associated with multiple RO

When multiple SS/PBCH block are associated with multiple RO, the design of RA-RNTI need to consider a RAR window, Or the index of SS/PBCH block or frequency indices or time rope in RACH configuration period or the fast Burst Period of down-going synchronous Draw.The calculation formula when design of RA-RNTI and multiple SS/PBCH block are associated with a RO is identical.

However, having multiple RO being associated, according to RA- due to the SS/PBCH block to each actual transmissions RNTI can only detect one group of corresponding RO.Therefore, except RA-RNTI, need joint DCI and/or RAR to symbol and/or Slot and/or RO is further to be indicated, determines the corresponding RO of UE.

Under another scene, the time index t of RA-RNTI and random access chance_id, random access chance frequency rope Draw f_id, random access preamble packet index s_gCorrelation, and a downlink synchronous signal block is associated with a random access chance, or One downlink synchronous signal block of person is associated with multiple random access chances:

Among NR, in order to enable gNB can distinguish different gNB launching beams, different passes is used to each SSB Join preamble set.GNB carries the corresponding preamble index received, UE can be according to this among RAR content Index determines whether it is RAR transmitted by corresponding MSG1 message.

It is required for identifying preamble in RAR content when the corresponding preamble number of a SSB is more Bit number can exceed that format provide.The application propose method be SS/PBCH block or CSI-RS it is corresponding with The index of machine access lead passes through random access response respectively and RA-RNTI is sent.For example, SS/PBCH block or CSI- The index of the corresponding random access preamble of RS is 8 bits, then 6 bit therein is sent by the random access response in message 2,2 Bit is carried by RA-RNTI.It optionally, is high 6 bit by 6 bits that random access response in message 2 is sent, by RA-RNTI 2 bits carried are low 2 bits.It optionally, is low 6 bit by 6 bits that random access response in message 2 is sent, by RA- 2 bits that RNTI is carried are high 2 bits.In one implementation, SS/PBCH block or CSI-RS is corresponding connects at random Enter leading index can by RA-RNTI, the DCI of message 2, MAC subheader of message 2, message 2 MAC PDU in RAR field carries respectively.

In other implementation, SS/PBCH block is corresponded into preamble set and is grouped, i.e., is each belonged to The preamble of preambleset has index and group index in a group, and the two joins together to determine that a preamble exists Index in preamble set.Index is determined according to the maximum preamble number that RAR format bits number can be supported in group, Group index is for calculating RA-RNTI.At this point, the size of RAR can be reduced at this time.

When a SS/PBCH block, which is associated with RO or SS/PBCH block, is associated with multiple RO, and RO institute is right When the preamble quantity answered is more, preamble can be grouped by the calculating of RA-RNTI, can be according to RAPID word The maximum number of Duan Suoneng mark determines grouping.It is equivalent to after multiple preamble groupings including multiple virtual SS/ at this time The calculation formula of PBCH block, RA-RNTI are as follows:

RA-RNTI=1+s_g+N₁*t_id+N₁*T*f_idOr

RA-RNTI=1+s_g+N₁*f_id+N₁*F*t_id

Wherein, N₁=size of { s_g, T=size of { t_id, F=size of { f_id}。

Assuming that number leading in the relevant preamble set of SS/PBCH block is N, it is used to indicate in RAR The bit number of preamble is n, then can at most indicate 2 for each groupⁿA preamble needs preamble set altogether It is divided intoA group, whereinExpression rounds up.When with the associated SS/PBCH block quantity of the same RO be L, Each SS/PBCH block may be considered g virtual downlink synchronous signal blocks at this time, adds up to gL and is associated with the same RO Virtual downlink synchronous signal block.Therefore, the calculating of RA-RNTI can use following method:

RA-RNTI=RNTI₀+X₁+N₁X₂+N₁N₂X₃

Wherein X₁,X₂,X₃It can be s_g,t_id,f_idIn it is unduplicated any one, selection sequence represent RA-RNTI Calculate the indexed sequential used.N₁Indicate X₁The number of index, N₂Indicate X₂The number of index.

For example, working as X₁,X₂,X₃Respectively indicate s_g,t_id,f_idWhen, RA-RNTI can be indicated are as follows:

RA-RNTI=1+s_g+g*L*t_id+g*L*T*f_id

Or work as X₁,X₂,X₃Respectively indicate t_id,f_id,s_gWhen, RA-RNTI can be indicated are as follows:

RA-RNTI=1+t_id+T*f_id+T*F*s_g

Or work as X₁,X₂,X₃Respectively indicate f_id,t_id,s_gWhen, RA-RNTI can be indicated are as follows:

RA-RNTI=1+f_id+F*t_id+F*T*s_g

Wherein s_g=0.. (g*L-1) was indicated in a RAR window/RACH configuration period/downlink synchronous signal block burst week The index being grouped in phase with the associated all preamble of the same RO, f_id,t_id, f in the meaning and above-described embodiment of T_id, t_id, the meaning of T is identical.Alternatively, for example, the calculating of RA-RNTI is searched using table shown in Fig. 7 b.

Under another scene, RA-RNTI is according to the time index t of random access chance_id, random access chance frequency Index f_id, the index rs of reference signal_id, SS/PBCH block and reference signal QCL relationship calculate

In the embodiment of the present application, parameter that quasi- co-located (QCL) includes can for refer at least one following parameter it is identical or Have a determining corresponding relationship: incidence angle AoA (angle of arrival), principal angle of incidence Dominant AoA, average angle of incidence, The power perspective of incidence angle composes (power angular spectrum (PAS) of AoA), angle of emergence AoD (angle of Departure), the main angle of emergence, the average angle of emergence, power perspective spectrum, the terminal of the angle of emergence send beam forming, terminal received wave Beam forming, spatial channel correlation, base station sends beam forming, base station receives beam forming, average channel gain, average channel Time delay, delay spread delay spread, doppler spread Doppler spread etc..

In the application, the identical downlink signal/base station beam/terminal beams refer to that space having the same receives Parameter, and/or antenna port.At least one parameter is identical below such as or has determining corresponding relationship: incidence angle AoA (angle of arrival), principal angle of incidence Dominant AoA, average angle of incidence, incidence angle power perspective compose (power Angular spectrum (PAS) of AoA), angle of emergence AoD (angle of departure), the main angle of emergence, average outgoing Angle, the power perspective spectrum of the angle of emergence, terminal transmission beam forming, terminal receive beam forming, spatial channel correlation, base station hair Beam forming, base station is sent to receive beam forming, average channel gain, average channel time delay, delay spread delay spread, more Doppler spread Doppler spread etc..

It is described not have quasi- co-located relationship in the application, refer to partial parameters or whole parameters be not allowed it is co-located, wherein Partial parameters do not have quasi- co-located relationship and are primarily referred to as base station to send the corresponding parameter of wave beam not identical.

In the application, the virtual/expanded downstream synchronization blocks (Virtual/Extend SS/PBCH block) are to patrol Concept is collected, when a down-going synchronous block (SS/PBCH block) or CSI-RS are associated with a RO, preamble relevant to RO It is equivalent in logic to be considered to close with the RO with by SS/PBCH a block or CSI-RS when be not overlapped grouping Multiple virtual/expanded downstream synchronization blocks of connection, while each virtual/expanded downstream synchronization blocks are grouped phase with each preamble It closes.

Optionally, in NR in certain scenes, as wave beam restores (beam recovery), wave beam failure (Beam Failure), link reconfigures (Link Reconfiguration), on-demand other system informations obtain (On-demand Other system Information Request), MSG1 triggering paging message (Paging Message) in, Lothrus apterus Random access procedure (Contention Free Random Access, CFRA) need according to channel state information with reference to believe The random access resource of number (channel state information-reference signal, CSI-RS) instruction carry out with Machine access.However, in the prior art not on how to the side of the random access resource design RA-RNTI indicated according to CSI-RS Case.At this point, a kind of scheme is to be decided whether according to the QCL relationship of CSI-RS and SS/PBCH block using CSI-RS as one The information independently considered calculates RA-RNTI.

1, CSI-RS and any one SSB does not have QCL relationship

At this point, calculating RA-RNTI for CSI-RS as an independent information.

In one implementation, the calculating of RA-RNTI uses following formula:

RA-RNTI=RNTI₀+X₁+N₁x₂+N₁N₂*(N₃+rs_id)

Wherein, X₁,X₂For t_id,f_idIn it is unduplicated any one, selection sequence represent RA-RNTI calculate use Indexed sequential, N₁=size of { X₁, N₂=size of { X₂, size of { } indicates the number of index, N₃Expression and RO Associated SS/PBCH block number, notifies terminal by the network equipment.rs_idFor reference signal index, notified eventually by the network equipment It holds or using default value or using predefined value.

For example, X₁,X₂Respectively t_id,f_idWhen, RA-RNTI can be indicated from 1 starting are as follows:

RA-RNTI=1+t_id+Tf_id+TF(L+rs_id)

Alternatively, X₁,X₂Respectively f_id,t_idWhen, it indicates are as follows:

RA-RNTI=1+f_id+Ft_id+FT(L+rs_id)

In another implementation, the parameter of the directly specified RA-RNTI or RA-RNTI calculating of the network equipment

It includes: 1, each user by wirelessly providing that the network equipment, which specifies the approach of RA-RNTI RA-RNTI calculating parameter, Source control (Radio Resource Control, RRC) signaling and/or media access control (Media Access Control, MAC) layer control unit (Control Element, CE) and/or system information or Downlink Control Information (Downlink Control Information, DCI) it is separately configured；2, all users by RRC and/or MACCE and/or system information or DCI is unified to be configured.

The network equipment specify RA-RNTI calculating parameter include it is following one or several: 1, whether based on down-going synchronous Block/CSI-RS is calculated；And/or the index of 2, SS/PBCH block；And/or 3, the CSI-RS rope based on CSI-RS calculating Draw；And/or 4, all SS/PBCH block, CSI-RS time Domain Index and/or frequency Domain Index.

2, when CSI-RS and SS/PBCH block has QCL relationship

In one implementation, when SS/PBCH block and CSI-RS are simultaneously and in the associated situation of the same RO, institute State the time index t of RA-RNTI Yu random access chance_id, random access chance frequency indices f_id, downlink synchronous signal block Index s_idAnd the index rs of reference signal_idCorrelation, and reference signal and downlink synchronous signal block have QCL relationship, and Downlink synchronous signal block is associated with reference signal with the random access preamble in the random access chance, then RA-RNTI is calculated Using following formula:

RA-RNTI=RNTI₀+X₁+N₁X₂+N₁N₂*s_id*f_ssb+N₁N₂*(N₃+rs_id)*(1-f_ssb)

For example, X₁And X₂Respectively t_idAnd f_id, and t_idAnd f_idNumber when being respectively T and F, RA-RNTI can since 1 With are as follows:

RA-RNTI=1+t_id+Tf_id+TFs_idf_ssb+TF(L+rs_id)×(1-f_ssb)

Or X₁And X₂Respectively f_idAnd t_idWhen:

RA-RNTI=1+f_id+Ft_id+TFs_idf_ssb+TF(L+rs_id)×(1-f_ssb)

In another implementation, according to random access resource/leading it is associated be SS/PBCH block or with The quasi- co-located CSI-RS of SS/PBCH block.The design of RA-RNTI can use following scheme:

(1) CSI-RS can be regarded as an independent virtual downlink synchronous signal block by the calculating of RA-RNTI；

(2) calculating of RA-RNTI is it is also contemplated that with the quasi- co-located SS/PBCH block index of CSI-RS；

(3) parameter that the directly specified RA-RNTI or RA-RNTI of the network equipment is calculated.

The network equipment specify the approach of RA-RNTI RA-RNTI calculating parameter include: 1, each user by RRC and Or MACCE and/or system information or DCI are separately configured；2, all users by RRC and/or MACCE and/or system information or DCI is unified to be configured.

The network equipment specify RA-RNTI calculating parameter include it is following one or several: 1, whether based on down-going synchronous Block/CSI-RS is calculated；2, the index of SS/PBCH block；3, the CSI-RS index calculated based on reference signal；4, own SS/PBCH block, CSI-RS time Domain Index and/or frequency Domain Index.

Under another scene, index of the RA-RNTI according to SS/PBCH block, CSI-RS information calculating

With the embodiment of front the difference is that, when RA-RNTI is calculated in the present embodiment, do not consider CSI-RS with The QCL relationship of SS/PBCHblock, implementation at this time may include following several:

1, using default/predefined CSI-RS index

2, the network equipment specifies downlink synchronous signal block/CSI-RS index

3, the network equipment specifies the parameter for calculating RA-RNTI, the running time-frequency resource index including RO, SS/PBCH The index of block, the index of RO

Such as above 3 kinds of schemes can use following RA-RNTI calculation formula:

X₁, X₂It can choose t_id, f_idIn unduplicated item, indicate and the time domain or frequency domain resource rope of the associated RO of CSI-RS Draw, N₁, N₂Respectively indicate index X₁, X₂Number.One or more required parameter can directly be referred to by the network equipment It is fixed.

For example, X₁, X₂T is selected respectively_id, f_idWhen, s_idWhen to index number be L, RA-RNTI can be with since 1 are as follows:

RA-RNTI=1+t_id+Tf_id+TFs_idf_ssb+TF(L+rs_id)×(1-f_ssb)

Or X₁,X₂F is selected respectively_id,t_idWhen, it can be with are as follows:

RA-RNTI=1+f_id+Ft_id+FTs_idf_ssb+FT(L+rs_id)×(1-f_ssb)

4, the directly specified RA-RNTI of the network equipment

Under another scene, index of the RA-RNTI according to SS/PBCH block, the index of CSI-RS, preamble's Grouping calculates

In NR system, in order to enable the network equipment can distinguish different launching beams, each SS/PBCH block is closed One or more preamble (being properly termed as random access preamble set (preamble set)) is joined.The network equipment receives After the msg1 that terminal device is sent, RAR is sent to terminal device, and in RAR, carry the corresponding random access preamble mark received Know or random access preamble indexes (random access preamble identifier, RAPID).Terminal device can root Determine whether it is RAR transmitted by corresponding msg1 according to random access preamble index.However, when a SS/PBCH block is closed When the preamble number of connection is more, in RAR required to identify the bit number of preamble can exceed that format advise It is fixed, cause biggish signaling overheads.

In a fairly large number of situation of the corresponding preamble of SS/PBCH block, CSI-RS, the calculating of RA-RNTI you Preamble grouping information can be considered.Preamble grouping can be determined according to the mode of previous embodiment.Then RA-RNTI Calculating can be using following unified formula:

RA-RNTI=RNTI₀+X₁+N₁X₂+N₁N₂*gs_id*f_ssb+N₁N₂*(g*N₃+grs_id)*(1-f_ssb)

Wherein, gs_id,grs_idAfter preamble grouping, equivalent virtual downlink synchronous signal block, CSI-RS index, Value range be SS/PBCH block, g times of CSI-RS number.Remaining parameter is identical as the correspondence parameter in previous embodiment. N₃Expression and the associated SSB number of RO, are notified by the network equipment.

Specifically, index information can carry media access control subheader (the i.e. institute in Fig. 9 in the message 2 in organizing In the MAC subheader shown), the random access response field in the media access control protocol data unit of the message 2 In (in MAC RAR i.e. shown in Fig. 10), and/or the Downlink Control Information of the message 2.Wherein, the lattice of MAC subheader Formula is as shown in fig. 9, it includes 8 bits, wherein 2 bits are reserved field, and 6 bits are rope in the group of random access preamble set Fuse breath.The format of MAC RAR is as shown in Figure 10, and MAC RAR includes reserved field, timing advance order (Timing Advance Command, TAC) field, uplink authorization (UL grant) field and Temporary Cell Radio Network temporary identifier (temporary cell-radio network temporary identifier, Temporary C-RNTI) field.Its In, index information is included in UL grant field in the group of random access preamble set.

In one implementation, index information length is 6 bits in described group.The grouping information length is 2 bits.

For example, the associated random access preamble set of SS/PBCH block is divided into 4 groups, SS/PBCH block is corresponding Random access preamble index be 8 bits, then in the group of 6 bit therein index information by the random access response in message 2 It sends, the grouping information of 2 bits is indicated by RA-RNTI.It optionally, is high by 6 bits that random access response in message 2 carries 6 bits are low 2 bits by 2 bits that RA-RNTI is indicated.Optionally, it is by 6 bits that random access response in message 2 carries Low 6 bit is high 2 bit by 2 bits that RA-RNTI is indicated.

Under another scene, RA-RNTI is only associated with the frequency indices of the time index of RO, RO

1, a SS/PBCH block is associated with the case where RO or SS/PBCH block is associated with multiple RO

When the incidence relation of SS/PBCH block and RO belong in one-to-one situation, the design of RA-RNTI should consider RO Time index information and frequency indices information, for example, can preferentially index formula using following time domain and calculated:

RA-RNTI=RNTI₀+t_id+T*f_id

Or frequency domain preferentially indexes:

RA-RNTI=RNTI₀+F*t_id+f_id

Wherein t_idIt indicates to index in the time domain of RO, f_idIt indicates to index on frequency domain.The signal preferentially indexed such as the time domain of Fig. 8 a Figure, so-called time domain, which preferentially indexes, refers to that the index of T/F matrix is first since time domain；As the frequency domain of Fig. 8 b preferentially indexes Schematic diagram, so-called frequency domain, which preferentially indexes, refers to that the index of T/F matrix is first since frequency domain.In another embodiment In, time domain is preferential or frequency domain preferentially indicates that information determines according to the network equipment.

It is searched alternatively, such as RA-RNTI is calculated using table shown in Fig. 7 c.

2, multiple SS/PBCH block are associated with a case where RO or multiple SS/PBCH block is associated with multiple RO

In the case that the incidence relation of SS/PBCH block and RO are many-one, multi-to-multi, the calculating of RA-RNTI can With only related to RO time-frequency location.It is calculated for example, can preferentially index formula using following time domain:

RA-RNTI=RNTI₀+t_id+T*f_id

Or frequency domain preferentially indexes:

RA-RNTI=RNTI₀+F*t_id+f_id

At this point, gNB is needed if multiple UE send leader sequence by the different associated same RO of SS/PBCH block MSG2 is sent on multiple wave beams corresponding with the associated SS/PBCH block of RO.In order to guarantee that all UE are properly received When corresponding RAR, MSG2 are sent by different SS/PBCH block, the RAR of each Msg2 must carry this RO receipts The preamble index that all UE arrived are sent, as shown in figure 11.

It is above-mentioned to illustrate the method for the embodiment of the present application, the device of the embodiment of the present application is provided below.

Figure 12 shows a kind of terminal device structural schematic diagram of simplification.It is convenient to be easy to understand and illustrate, Tu12Zhong, terminal Equipment with mobile phone as an example.As shown in figure 12, terminal device includes processor, memory, radio circuit, antenna and input Output device.Processor is mainly used for handling communication protocol and communication data, and controls terminal device, Execute software program, the data etc. of processing software program.Memory is mainly used for storing software program and data.Radio circuit master It is used for the conversion of baseband signal and radiofrequency signal and the processing to radiofrequency signal.Antenna is mainly used for transceiving electromagnetic waveshape Radiofrequency signal.Input/output unit, such as touch screen, display screen, keyboard etc. be mainly used for receive user input data with And to user's output data.It should be noted that the terminal device of some types can not have input/output unit.

When needing to send data, after processor carries out Base-Band Processing to sent data, output baseband signal is to penetrating Radiofrequency signal will be passed through antenna in the form of an electromagnetic wave to outgoing after baseband signal progress radio frequency processing by frequency circuit, radio circuit It send.When there is data to be sent to terminal device, radio circuit receives radiofrequency signal by antenna, and radiofrequency signal is converted to base Band signal, and baseband signal is exported to processor, baseband signal is converted to data and handled the data by processor. For purposes of illustration only, illustrating only a memory and processor in Figure 12.In actual terminal device product, may exist one A or multiple processors and one or more memories.Memory is referred to as storage medium or storage equipment etc..Storage Device can be to be arranged independently of processor, is also possible to be integral to the processor together, the embodiment of the present application is without limitation.

In the embodiment of the present application, can by with transmission-receiving function antenna and radio circuit be considered as the reception of terminal device Processor with processing function, is considered as the processing of terminal device by unit and transmission unit (also may be collectively referred to as Transmit-Receive Unit) Unit.As shown in figure 12, terminal device includes receiving unit 1201, processing unit 1202 and transmission unit 1203.Receiving unit 1201 are referred to as receiver, receiver, reception circuit etc., and transmission unit 1203 is referred to as transmitter, transmitter, hair Penetrate machine, transmit circuit etc..Processing unit is referred to as processor, handles veneer, processing module, processing unit etc..

For example, in one embodiment, transmission unit 1203 is used to execute the step S401 of embodiment illustrated in fig. 4；And Receiving unit 1201 is used to execute the step S402 and S403 of embodiment illustrated in fig. 4.

For another example, in another embodiment, transmission unit 1203 is used to execute the step S601 of embodiment illustrated in fig. 6；With And receiving unit 1201 is used to execute the step S602 and S603 of embodiment illustrated in fig. 6.

Figure 13 shows a kind of simplified network equipment infrastructure schematic diagram.The network equipment includes radiofrequency signal transmitting-receiving and converter section Point and 1302 parts, the radiofrequency signal transmitting-receiving and conversion portion again include 1301 part of receiving unit and transmission unit 1303 Divide (also may be collectively referred to as Transmit-Receive Unit).Radiofrequency signal transmitting-receiving and conversion portion are mainly used for transmitting-receiving and the radio frequency of radiofrequency signal The conversion of signal and baseband signal；1302 parts are mainly used for Base-Band Processing, control etc. the network equipment.Receiving unit 1301 are referred to as receiver, receiver, reception circuit etc., and transmission unit 1303 is referred to as transmitter, transmitter, hair Penetrate machine, transmit circuit etc..1302 parts are usually the control centre of the network equipment, may be generally referred to as processing unit, for controlling The network equipment processed executes the step performed by secondary communication device in above-mentioned Fig. 5 or Fig. 9.For details, reference can be made to above-mentioned dependent parts The description divided.

1302 parts may include one or more veneers, and each veneer may include one or more processors and one Or multiple memories, processor are used to read and execute the program in memory to realize Base-Band Processing function and set to network Standby control.Multiple veneers if it exists can be interconnected to increase processing capacity between each veneer.As optionally implementing in one Mode is also possible to multiple veneers and shares one or more processors or the shared one or more memories of multiple veneers, Either multiple veneers share one or more processors simultaneously.

For example, in one embodiment, receiving unit 1301 is used to execute the step S401 of embodiment illustrated in fig. 4；And Transmission unit 1303 is used to execute the step S402 and S403 of embodiment illustrated in fig. 4.

For another example, in another embodiment, receiving unit 1301 is used to execute the step S601 of embodiment illustrated in fig. 6；With And transmission unit 1303 is used to execute the step S602 and S603 of embodiment illustrated in fig. 6.

As another optional embodiment, with the development of system on chip (system-on-chip, SoC) technology, The all or part of function of 1302 parts and 1301 parts can be realized by SoC technology, such as by a base station functions core Piece realizes that devices, the program of base station correlation function such as the base station functions integrated chip processor, memory, antennal interface are deposited Storage executes program in memory, by processor to realize the correlation function of base station.Optionally, which also can The memory of the chip exterior is read to realize the correlation function of base station.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit It closes or communicates to connect, can be electrical property, mechanical or other forms.

The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme 's.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real It is existing.When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program Product includes one or more computer instructions.When loading on computers and executing the computer program instructions, all or It partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, dedicated meter Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium In, or transmitted by the computer readable storage medium.The computer instruction can be from a web-site, meter Calculation machine, server or data center pass through wired (such as coaxial cable, optical fiber, Digital Subscriber Line (digital subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or number It is transmitted according to center.The computer readable storage medium can be any usable medium that computer can access either The data storage devices such as server, the data center integrated comprising one or more usable mediums.The usable medium can be Magnetic medium, (for example, floppy disk, hard disk, tape), optical medium are (for example, digital versatile disc (digital versatile Disc, DVD)) or semiconductor medium (such as solid state hard disk (solid state disk, SSD)) etc..

Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, the process Relevant hardware can be instructed to complete by computer program, which can be stored in computer-readable storage medium, should Program is when being executed, it may include such as the process of above-mentioned each method embodiment.And storage medium above-mentioned includes: read-only memory (read-only memory, ROM) or random access memory (random access memory, RAM), magnetic or disk Etc. the medium of various program storage codes.

Claims

1. a kind of communication means characterized by comprising

Terminal device sends random access preamble to the network equipment by random access chance, and the random access chance includes hair Send the time of the random access chance of the random access preamble and the frequency of random access chance；

The terminal device receives the Downlink Control Information that the network equipment is sent, wherein uses random access radio network Temporary identifier RA-RNTI descrambles the Physical Downlink Control Channel for receiving the Downlink Control Information；Wherein, described RA-RNTI is related at least one following parameter: the rope of carrier wave where the time index of random access chance, random access chance Draw, the initial uplink where random access chance on carrier wave accesses the index of frequency band, random access chance place initial uplink connects Before entering the frequency indices of random access chance of frequency band, the index of downlink synchronous signal block, the index of reference signal, random access The packet index led:

The terminal device receives the random access response that the network equipment is sent according to RA-RNTI.

2. a kind of communication means characterized by comprising

The random access preamble that network equipment receiving terminal apparatus is sent by random access chance, the random access chance packet Include the time for the random access chance for sending the random access preamble and the frequency of random access chance；

The network equipment sends Downlink Control Information and random access response to the terminal device, wherein uses and connects at random Enter radio network temporary identifier RA-RNTI to scramble the Physical Downlink Control Channel for sending the Downlink Control Information；Its In, the RA-RNTI is related at least one following parameter: the time index of random access chance, random access chance place Initial uplink of the index, random access chance of carrier wave on carrier wave accesses the index of frequency band, random access chance on initial The frequency indices of random access chance of row access frequency band, the index of reference signal, connect the index of downlink synchronous signal block at random Enter leading packet index.

3. method according to claim 1 or 2, which is characterized in that the RA-RNTI in different carrier waves is different；And/or not It is spacedly distributed with the RA-RNTI in carrier wave；And/or the RA-RNTI in the same carrier wave is continuously distributed.

4. method as claimed in any one of claims 1 to 3, which is characterized in that RA-RNTI is according to time of random access chance Index t_id, carrier wave where random access chance index c_id, the initial uplink on carrier wave where random access chance access frequency band Index b_id, initial uplink access frequency band where random access chance random access chance frequency indices f_id, down-going synchronous The index s of block_id, reference signal index rs_id, random access preamble packet index s_gIn at least one parameter determine When, it participates in determining sequence and comprises at least one of the following:

The index of reference signal finally participates in calculating；Or

The index of downlink synchronous signal block or the packet index of random access preamble are before the index of reference signal；Or

Carrier index is located at before all parameters；Or

Carrier index is located at after all parameters；Or

5. such as the described in any item methods of Claims 1 to 4, which is characterized in that the RA-RNTI is according to random access chance Time index t_id, carrier wave where random access chance index c_id, initial uplink access on carrier wave where random access chance The index b of frequency band_id, initial uplink access frequency band where random access chance random access chance frequency indices f_id, downlink The index s of synchronization signal block_id, reference signal index rs_idIt determines, are as follows:

Wherein, f_ssb∈ { 0,1 } indicate RA-RNTI calculate whether the index based on downlink synchronous signal block；The f_ssb=1 indicates RA-RNTI to it is both following related: it is associated with the associated random access preamble of downlink synchronous signal block and with reference signal Random access preamble and reference signal and downlink synchronous signal block have quasi- co-located QCL relationship；f_ssb=0 expression and reference signal Associated random access preamble and the reference signal and downlink synchronous signal block do not have QCL relationship；

N₀=size of { c_id, N₁=size of { t_id, N₂=size of { f_id, N₃=N₁N₂×size of{b_id, N₄= size of{s_id, size of { } indicates the number of index.

6. a kind of communication means characterized by comprising

The terminal device receives the Downlink Control Information that the network equipment is sent, wherein uses random access radio network Temporary identifier RA-RNTI descrambles the Physical Downlink Control Channel for receiving the Downlink Control Information；Wherein, described RA-RNTI is related at least one following parameter: the time index of random access chance, random access chance frequency indices, The index of downlink synchronous signal block, the index of reference signal, random access preamble packet index；

7. a kind of communication means characterized by comprising

The network equipment sends Downlink Control Information and random access response to the terminal device, wherein uses and connects at random Enter radio network temporary identifier RA-RNTI to scramble the Physical Downlink Control Channel for sending the Downlink Control Information；Its In, the RA-RNTI is related at least one following parameter: the time index of the random access chance, random access chance Frequency indices, the index of downlink synchronous signal block, the index of reference signal, random access preamble packet index.

8. method according to claim 6 or 7, which is characterized in that the frequency indices f of the random access chance_idIncluding with At least one of lower: the initial uplink of the index of carrier wave, random access chance on carrier wave accesses frequency band where random access chance Index, random access chance initial uplink access frequency band random access chance frequency indices.

9. such as the described in any item methods of claim 6~8, which is characterized in that the RA-RNTI is according to random access chance Time index t_id, random access chance frequency indices f_id, downlink synchronous signal block index s_id, reference signal index rs_id, downlink signal index, random access preamble packet index s_gAt least one of determine, are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂X₃

Wherein, X₁, X₂, X₃Respectively t_id, f_id, x_idIn it is unduplicated any one, selection sequence represent RA-RNTI meter Calculate the indexed sequential used；The x_idFor the index s of downlink synchronous signal block_id, reference signal index rs_id, downlink signal rope Draw, the packet index s of random access preamble_gIn one；N₁=size of { X₁, N₂=size of { X₂, size of { } table Show the number of index.

10. such as the described in any item methods of claim 6~8, which is characterized in that the RA-RNTI and random access chance Time index t_id, random access chance frequency indices f_id, reference signal index rs_idCorrelation, and reference signal and downlink are same It walks block and does not have quasi- co-located QCL relationship, then the RA-RNTI are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂*(N₃+rs_id)

Wherein, X₁, X₂For t_id, f_idIn it is unduplicated any one, selection sequence represent RA-RNTI calculate use rope Draw sequence, N₁=size of { X₁, N₂=size of { X₂, size of { } indicates the number of index, N₃Indicate with it is described with Machine accesses the number of random access preamble grouping in the associated downlink synchronous signal block of chance or the random access chance.

11. such as the described in any item methods of claim 6~8, which is characterized in that the RA-RNTI and random access chance Time index t_id, random access chance frequency indices f_id, downlink synchronous signal block index s_idAnd the rope of reference signal Draw rs_idCorrelation, and reference signal and downlink synchronous signal block have a QCL relationship, and downlink synchronous signal block and reference signal with Random access preamble in the random access chance is associated with, then the RA-RNTI are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂*s_id*f_ssb+N₁N₂*(N₃+rs_id)*(1-f_ssb)

The f_ssbWhether ∈ { 0,1 } is indicated that RA-RNTI is calculated and is indexed based on downlink synchronous signal block；The f_ssb=1 indicates Both RA-RNTI or less is related: with the associated random access preamble of downlink synchronous signal block and with reference signal it is associated with Machine access lead and reference signal and downlink synchronous signal block have QCL relationship；Or

The f_ssb=0 indicates and the associated random access preamble of reference signal and the reference signal and downlink synchronous signal block Without QCL relationship；

The X₁And X₂Respectively t_idAnd f_idIn it is unduplicated any one, selection sequence represent RA-RNTI calculating adopt Indexed sequential, N₁=size of { X₁, N₂=size of { X₂, N₃=size of { s_id, size of { } indicates rope The number drawn.

12. such as the described in any item methods of claim 6~8, which is characterized in that the RA-RNTI is according to random access chance Time index t_id, random access chance frequency indices f_idIt determines, are as follows:

RA-RNTI=1+t_id+T*f_idOr

RA-RNTI=1+F*t_id+f_id

Wherein, T is the quantity of the time index in corresponding time domain unit, and F is the quantity of the frequency indices in respective frequencies unit.

13. such as the described in any item methods of claim 6~12, which is characterized in that the index of the downlink synchronous signal block is It is mapped to the time t_id, frequency f_idThe index at least one downlink synchronous signal on corresponding random access resource；Or Person

The index of the downlink synchronous signal block is the time t_id, frequency f_idAt least one on corresponding random access resource The index of random access preamble set；

The index of the random access preamble grouping is the time t_id, frequency f_idLeading point on corresponding random access resource Group index, it is described it is leading grouping for it is following at least one: association downlink synchronous signal block, triggering system information, triggering seek Exhale message；

The index of the reference signal is to be mapped to the time t_id, frequency f_idAt least one on corresponding random access resource Index in downlink reference signal；

The downlink signal index is to be mapped to the time t_id, frequency f_idUnder at least one in corresponding random access chance The logic of line synchronising signal block and reference signal index.

14. such as the described in any item methods of claim 1~13, which is characterized in that the time index of the random access chance It comprises at least one of the following: time rope of the random access chance in 5ms field, 10ms frame or random access the configuration period Draw, starting/end OFDM symbol where random access chance is matched in 5ms field, 10ms frame or random access Random access time slot where setting the notation index in the period, random access chance is matched in 5ms field, 10ms frame or random access Subframe configures week in 5ms field, 10ms frame or random access where setting time slot index and random access chance in the period Interim subframe index.

15. such as the described in any item methods of claim 1~14, which is characterized in that the time index of the random access chance The temporal random access not conflicted for the time index of the temporal random access chance of removal conflict, and/or increase After chance, the time index of the random access chance of rearrangement.

16. such as the described in any item methods of claim 1~15, which is characterized in that the frequency indices of the random access chance The random access in frequency not conflicted for the frequency indices of the temporal random access chance of removal conflict, and/or increase After chance, the frequency indices of the random access chance of rearrangement.

17. a kind of communication device characterized by comprising

Transmission unit, for sending random access preamble to the network equipment, the random access chance by random access chance Including sending the time of the random access chance of the random access preamble and the frequency of random access chance；

Receiving unit, the Downlink Control Information sent for receiving the network equipment, wherein use random access radio network Temporary identifier RA-RNTI descrambles the Physical Downlink Control Channel for receiving the Downlink Control Information；Wherein, described RA-RNTI is related at least one following parameter: the rope of carrier wave where the time index of random access chance, random access chance Draw, the initial uplink where random access chance on carrier wave accesses the index of frequency band, random access chance place initial uplink connects Before entering the frequency indices of random access chance of frequency band, the index of downlink synchronous signal block, the index of reference signal, random access The packet index led；

The receiving unit is also used to receive the random access response that the network equipment is sent according to RA-RNTI.

18. a kind of communication device characterized by comprising

Receiving unit, for the random access preamble that receiving terminal apparatus is sent by random access chance, the random access Chance includes the time for the random access chance for sending the random access preamble and the frequency of random access chance；

Transmission unit, for sending Downlink Control Information and random access response to the terminal device, wherein use and connect at random Enter radio network temporary identifier RA-RNTI to scramble the Physical Downlink Control Channel for sending the Downlink Control Information；Its In, the RA-RNTI is related at least one following parameter: the time index of random access chance, random access chance place Initial uplink of the index, random access chance of carrier wave on carrier wave accesses the index of frequency band, random access chance on initial The frequency indices of random access chance of row access frequency band, the index of reference signal, connect the index of downlink synchronous signal block at random Enter leading packet index.

19. the device as described in claim 17 or 18, which is characterized in that the RA-RNTI in different carrier waves is different；With/ Or the RA-RNTI in different carrier waves is spacedly distributed；And/or the RA-RNTI in the same carrier wave is continuously distributed.

20. such as the described in any item devices of claim 17~19, which is characterized in that RA-RNTI is according to random access chance Time index t_id, carrier wave where random access chance index c_id, initial uplink access on carrier wave where random access chance The index b of frequency band_id, initial uplink access frequency band where random access chance random access chance frequency indices f_id, downlink The index s of synchronization signal block_id, reference signal index rs_id, random access preamble packet index s_gIn at least one parameter When determining, participates in determining sequence and comprises at least one of the following:

The index of reference signal finally participates in calculating；Or

Carrier index is located at before all parameters；Or

Carrier index is located at after all parameters；Or

21. such as the described in any item devices of claim 17~20, which is characterized in that the RA-RNTI is according to random access machine The time index t of meeting_id, carrier wave where random access chance index c_id, initial uplink on carrier wave where random access chance Access the index b of frequency band_id, initial uplink access frequency band where random access chance random access chance frequency indices f_id、 The index s of downlink synchronous signal block_id, reference signal index rs_idIt determines, are as follows:

22. a kind of communication device characterized by comprising

Receiving unit, the Downlink Control Information sent for receiving the network equipment, wherein use random access radio network Temporary identifier RA-RNTI descrambles the Physical Downlink Control Channel for receiving the Downlink Control Information；Wherein, described RA-RNTI is related at least one following parameter: the time index of random access chance, random access chance frequency indices, The index of downlink synchronous signal block, the index of reference signal, random access preamble packet index；

23. a kind of communication device characterized by comprising

Transmission unit, for sending Downlink Control Information and random access response to the terminal device, wherein use and connect at random Enter radio network temporary identifier RA-RNTI to scramble the Physical Downlink Control Channel for sending the Downlink Control Information；Its In, the RA-RNTI is related at least one following parameter: the time index of the random access chance, random access chance Frequency indices, the index of downlink synchronous signal block, the index of reference signal, random access preamble packet index.

24. the device as described in claim 22 or 23, which is characterized in that the frequency indices f of the random access chance_idIncluding At least one of below: the initial uplink of the index of carrier wave, random access chance on carrier wave accesses frequency where random access chance The index of band, random access chance access the frequency indices of the random access chance of frequency band in initial uplink.

25. such as the described in any item devices of claim 22~24, which is characterized in that the RA-RNTI is according to random access machine The time index t of meeting_id, random access chance frequency indices f_id, downlink synchronous signal block index s_id, reference signal rope Draw rs_id, downlink signal index, random access preamble packet index s_gAt least one of determine, are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂X₃

26. such as the described in any item devices of claim 22~24, which is characterized in that the RA-RNTI and random access chance Time index t_id, random access chance frequency indices f_id, reference signal index rs_idCorrelation, and reference signal and downlink Synchronization signal block does not have quasi- co-located QCL relationship, then the RA-RNTI are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂*(N₃+rs_id)

27. such as the described in any item devices of claim 22~24, which is characterized in that the RA-RNTI and random access chance Time index t_id, random access chance frequency indices f_id, downlink synchronous signal block index s_idAnd reference signal Index rs_idCorrelation, and reference signal and downlink synchronous signal block have QCL relationship, and downlink synchronous signal block and reference signal It is associated with the random access preamble in the random access chance, then the RA-RNTI are as follows:

RA-RNTI=1+X₁+N₁X₂+N₁N₂*s_id*f_ssb+N₁N₂*(N₃+rs_id)*(1-f_ssb)

28. such as the described in any item devices of claim 22~24, which is characterized in that the RA-RNTI is according to random access machine The time index t of meeting_id, random access chance frequency indices f_idIt determines, the RA-RNTI are as follows:

RA-RNTI=1+t_id+T*f_idOr

RA-RNTI=1+F*t_id+f_id

29. such as the described in any item devices of claim 22~28, which is characterized in that the index of the downlink synchronous signal block is It is mapped to the time t_id, frequency f_idThe index at least one downlink synchronous signal on corresponding random access resource；Or Person

30. such as the described in any item devices of claim 17~29, which is characterized in that the time index of the random access chance It comprises at least one of the following: time rope of the random access chance in 5ms field, 10ms frame or random access the configuration period Draw, starting/end OFDM symbol where random access chance is matched in 5ms field, 10ms frame or random access Random access time slot where setting the notation index in the period, random access chance is matched in 5ms field, 10ms frame or random access Subframe configures week in 5ms field, 10ms frame or random access where setting time slot index and random access chance in the period Interim subframe index.

31. such as the described in any item devices of claim 17~30, which is characterized in that the time index of the random access chance The temporal random access not conflicted for the time index of the temporal random access chance of removal conflict, and/or increase After chance, the time index of the random access chance of rearrangement.

32. such as the described in any item devices of claim 17~31, which is characterized in that the frequency indices of the random access chance The random access in frequency not conflicted for the frequency indices of the temporal random access chance of removal conflict, and/or increase After chance, the frequency indices of the random access chance of rearrangement.