CN110475374A - A kind of communication means and communication device - Google Patents
A kind of communication means and communication device Download PDFInfo
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- CN110475374A CN110475374A CN201810449669.7A CN201810449669A CN110475374A CN 110475374 A CN110475374 A CN 110475374A CN 201810449669 A CN201810449669 A CN 201810449669A CN 110475374 A CN110475374 A CN 110475374A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/008—Transmission of channel access control information with additional processing of random access related information at receiving side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
This application provides a kind of communication means and communication equipments, this method comprises: terminal device determines the first random access parameter, first random access parameter includes the repetition transmission times and/or the first contraction-expansion factor of random access procedure message three, which is the contraction-expansion factor of the corresponding transmission block of random access procedure message three；The terminal device sends the random access procedure message three according to first random access parameter, to the network equipment.The communication means of the embodiment of the present application helps to improve the uplink covering performance of random access procedure message three.
Description
Technical field
This application involves the communications fields, and more particularly, to a kind of communication means and communication device.
Background technique
In long term evolution (Long Term Evolution, LTE), terminal device can pass through random access (Random
Access, RA) process to be to reach following purpose: uplink synchronous obtained, unique mark C-RNTI (Cell Radio is obtained
Network Temporary Identifier, Cell Radio Network Temporary Identifier/Identity, Cell-RNTI).
Random access procedure has 2 kinds of different modes: based on competition (Contention based RA, CBRA) and being based on
Non-competing (Non-Contention based or Contention-Free based, CFRA), in mode competition-based,
Terminal device carries out the identification information of Conflict solving by carrying in random access procedure message 3 (Msg3), to solve difference
The problem of being competed between terminal device.
Under normal conditions, the transmission power for sending power and being less than the network equipment of terminal device.Particularly with cell edge
Terminal device, it is possible that can receive the network equipment transmission random access procedure message two (Msg2), but Msg3 without
Method sends successful situation.Simultaneously in LTE, the Msg3 adaptive retransmission number as defined in agreement is less than on normal physical
The adaptive retransmission number of row shared channel (Physical Uplink Shared Channel, PUSCH), so that Msg3's is upper
Row covering performance is poor.
Summary of the invention
In view of this, the application provides a kind of communication means and communication device, to improve random access procedure message three
(Msg3) uplink covering performance.
In a first aspect, a kind of communication means is provided, this method comprises:
Terminal device determines the first random access parameter, which includes random access procedure message three
Repetition transmission times and/or the first contraction-expansion factor, first contraction-expansion factor be the corresponding biography of random access procedure message three
Defeated piece of contraction-expansion factor；
The terminal device sends the random access procedure message three according to first random access parameter, to the network equipment.
In some possible implementations, which includes the weight of the random access procedure message three
Multiple transmission times, the terminal device send the random access procedure message according to first random access parameter, to the network equipment
Three, comprising:
The terminal device repeats to send the random access procedure message three to the network equipment.
Therefore, the communication means of the embodiment of the present application sends Msg3 by repeating, and the uplink for helping to improve the Msg3 is covered
Lid performance.
In some possible implementations, which includes first contraction-expansion factor, which sets
For according to first random access parameter, the random access procedure message three is sent to the network equipment, comprising:
The terminal device uses first contraction-expansion factor, sends the random access procedure message three to the network equipment.
Therefore, the communication means of the embodiment of the present application is not being changed by configuring the corresponding transmission block contraction-expansion factor of Msg3
The code rate that Msg3 is reduced in the case where modulation coding scheme, helps to improve the uplink covering performance of the Msg3.
In some possible implementations, which includes the repetition of random access procedure message three
Transmission times and first contraction-expansion factor, for the terminal device according to first random access parameter, sending to the network equipment should be with
Machine access procedure message three, comprising:
The terminal device uses first contraction-expansion factor, repeats to send the random access procedure message to the network equipment
Three.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
The terminal device receives the random access procedure message two of network equipment transmission, the random access procedure message two
Including the second random access parameter, which includes Timing Advance and/or power contorl parameters, this second
Random access parameter is associated with first random access parameter；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first random access parameter according to second random access parameter.
In some possible implementations, this method further include:
The terminal device receives the random access procedure message two and instruction information of network equipment transmission, the random access
Procedure message two includes the second random access parameter, which includes Timing Advance and/or power control
Parameter, second random access parameter is associated with repetition transmission times set and/or contraction-expansion factor set, which uses
In the repetition transmission times for indicating the random access procedure message three in the repetition transmission times set, and/or, instruction letter
Cease first contraction-expansion factor being used to indicate in the contraction-expansion factor；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first random access parameter according to second random access parameter and the instruction information.
It include multiple repetition transmission times values in some possible implementations, in the repetition transmission times set, it should
It include multiple contraction-expansion factors in contraction-expansion factor set.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
The terminal device sends random access procedure message one, the lattice of the random access procedure message one to the network equipment
Formula is associated with first random access parameter；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first random access parameter according to the format of the random access procedure message one.
In some possible implementations, this method further include:
The terminal device sends random access procedure message one, the lattice of the random access procedure message one to the network equipment
Formula is associated with repetition transmission times set and/or contraction-expansion factor set, which is used to indicate the repetition transmission times
The repetition transmission times of the random access procedure message three in set, and/or, which is used to indicate the contraction-expansion factor
In first contraction-expansion factor；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines that this first connects at random according to the format of the random access procedure message one and the instruction information
Enter parameter.
It include multiple repetition transmission times values in some possible implementations, in the repetition transmission times set, it should
It include multiple contraction-expansion factors in contraction-expansion factor set.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
The terminal device receives the random access procedure message two of network equipment transmission；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first contraction-expansion factor according to the second contraction-expansion factor, which is that this is random
The contraction-expansion factor of the corresponding transmission block of access procedure message two.
In some possible implementations, this method further include:
The terminal device receives the random access procedure message two and instruction information of network equipment transmission；
Wherein, which determines the first random access parameter, comprising:
The terminal device is according to the second contraction-expansion factor and the instruction information, from the corresponding contraction-expansion factor of the second contraction-expansion factor
Determine that first contraction-expansion factor, second contraction-expansion factor are stretching for the corresponding transmission block of random access procedure message two in set
The contracting factor.
In some possible implementations, which includes multiple contraction-expansion factors.
With reference to first aspect, in certain possible implementations of first aspect, first contraction-expansion factor be less than or
Equal to second contraction-expansion factor.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
It determines K times and repeats the time-domain position sent and hybrid automatic repeat-request HARQ re-transmission period, K is that this repeats to send
Number, K is positive integer more than or equal to 1, wherein repeats less than one time HARQ re-transmission period of time of transmission for this K time.
In some possible implementations, the time-domain position that this K times repetition is sent is adjacent in time.
In some possible implementations, the time-domain position that this K times repetition is sent is non-conterminous in time.
In some possible implementations, it is predefined that this K times, which repeats the time-domain position sent, or is set for network
Standby configuration.
In some possible implementations, repeat for this K times the time-domain position sent be network equipments configuration it is remaining most
The uplink (UL) in the semi-static uplink-downlink configuration period that indicates in mini system message (RMSI) or flexibly (Flexible, or
Person X) part
In some possible implementations, the network equipments configuration two are semi-statically configured period X and Y, this K times weight
Recurring the time-domain position sent is min (X, Y), alternatively, max (X, Y), alternatively, uplink (UL) or spirit in the integral multiple of (X+Y)
Part (Flexible, or X) living.
In some possible implementations, which is predefined；Alternatively, the HARQ re-transmission period is
Network equipments configuration.
In some possible implementations, which is the remaining minimum system message of network equipments configuration
(RMSI) integral multiple in the semi-static uplink-downlink configuration period indicated in.
In some possible implementations, the network equipments configuration two are semi-statically configured period X and Y, the HARQ
Re-transmission period is min (X, Y), alternatively, max (X, Y), alternatively, the integral multiple of (X+Y).
It should be understood that this K times repeats the time sent and is less than the HARQ re-transmission period.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
The first instruction information of network equipment transmission is received, which is used to indicate this K times and repeats to send
Deviant of the time-domain position in the HARQ period.
With reference to first aspect, in certain possible implementations of first aspect, the time-domain position of this K times repetition transmission
The time slot position sent every time in transmission, this method are repeated including this K times further include:
In the time slot position sent every time, the character position sent every time is determined.
With reference to first aspect, in certain possible implementations of first aspect, n-th weight in this K times repetition transmission
It recurs the time-domain position that send and conflicts with the time-domain position for receiving downlink signal perhaps high priority signals or n-th repeats hair
The time-domain position sent does not conflict with the time-domain position for receiving downlink signal or high priority signals, but believes with previous downlink is received
Number or high priority signals time interval be not enough used as protection interval (for example, the protection interval include terminal device processing
Time and/or uplink and downlink switching time etc.), N is the positive integer more than or equal to 1 and less than or equal to K, this method further include:
The n-th is skipped to repeat to send.
In some possible implementations, which may include downlink synchronous signal block (SS/PBCH
Block), remaining minimum system information (Remaining Minimum System Information, RMSI) controls resource set
It closes (Control Resource Set, CORESET), in semi-static/semi-continuous uplink-downlink configuration (Semi-static DL/UL)
Downlink signal (DL) and/or flexibly (Flexible) one or more of part.
In some possible implementations, which may include Physical Random Access Channel
(Physical Random Access Channel, PRACH), Physical Uplink Control Channel (Physical Uplink
Control Channel, PUCCH), uplink monitoring reference signal (Sounding Reference Signal, SRS) retains money
One or more of source (Reserved).
In some possible implementations, this method further include:
For the terminal device after skipping the n-th and repeating to send, continuing to send in next available time-domain position should be with
Machine access procedure message three.
In some possible implementations, terminal device continuation sends Msg3 on next available ascending resource.
In some possible implementations, which can be uplink (UL) and/or flexible
(Flexible) part, and the available ascending resource does not conflict with downlink signal or high priority resource, while the uplink
Resource and previous downlink signal time interval are more than or equal to protection interval (for example, the protection interval includes at terminal device
Manage time and/or uplink and downlink switching time etc.).
In some possible implementations, which continues to send on next available ascending time slot should be with
Machine access procedure message three.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
After repeating to send for this K times, the primary random access procedure message three is retransmited.
In some possible implementations, which repeats to have skipped M repetition hair in transmission process at K times
It send, M is the positive integer more than or equal to 1 and less than or equal to K, this method further include:
After this K times repeats to send, the M random access procedure message three is retransmited.
With reference to first aspect, in certain possible implementations of first aspect, this method further include:
The second indication information of network equipment transmission is received, which is used to indicate the random access procedure
Message three receives successfully；
According to the second indication information, stop sending the random access procedure message three.
The communication means of the embodiment of the present application, the network equipment after being properly received Msg3, to terminal device transmit and receive at
The instruction information of function helps avoid the wasting of resources and reduces uplink time delay.
Second aspect provides a kind of communication means, this method comprises:
The network equipment determines the first random access parameter, which includes random access procedure message three
Repetition transmission times and/or the first contraction-expansion factor, first contraction-expansion factor be the corresponding biography of random access procedure message three
Defeated piece of contraction-expansion factor；
The network equipment receiving terminal apparatus sends the random access procedure message three according to first random access parameter.
In conjunction with second aspect, in certain possible implementations of second aspect, this method further include:
The random access procedure message one that the network equipment receiving terminal apparatus is sent；
The network equipment determines the second random access parameter according to the random access procedure message one, this second connects at random
Entering parameter includes Timing Advance and/or power contorl parameters, second random access parameter and first random access parameter
It is associated；
Wherein, which determines the first random access parameter, comprising:
The network equipment determines first random access parameter according to second random access parameter.
In some possible implementations, this method further include:
The random access procedure message one that the network equipment receiving terminal apparatus is sent；
The network equipment determines the second random access parameter according to the random access procedure message one, this second connects at random
Entering parameter includes Timing Advance and/or power contorl parameters, second random access parameter and repeat transmission times set and/
Or contraction-expansion factor set is associated；
The network equipment sends instruction information to the terminal device, which is used to indicate the repetition transmission times collection
The repetition transmission times of the random access procedure third message in conjunction, and/or, which is used to indicate the contraction-expansion factor
The first contraction-expansion factor in set.
Wherein, which determines the first random access parameter, comprising:
The network equipment determines first random access parameter according to second random access parameter and the instruction information.
In conjunction with second aspect, in certain possible implementations of second aspect, this method further include:
The random access procedure message one that the network equipment receiving terminal apparatus is sent, the random access procedure message one
Format is associated with first random access parameter；
Wherein, which determines the first random access parameter, comprising:
The network equipment determines first random access parameter according to the format of the random access procedure message one.
In some possible implementations, this method further include:
The network equipment receives the random access procedure message one and instruction information of terminal device transmission, the random access
The format of procedure message one repeats transmission times set and/or contraction-expansion factor set is associated, which is used to indicate this
The repetition transmission times of the random access procedure third message in transmission times set is repeated, and/or, which is used for
Indicate the first contraction-expansion factor in the contraction-expansion factor set；
Wherein, which determines the first random access parameter, comprising:
The network equipment determines that this first connects at random according to the format of the random access procedure message one and the instruction information
Enter parameter.
In conjunction with second aspect, in certain possible implementations of second aspect, this method further include:
The random access procedure message one that the network equipment receiving terminal apparatus is sent；
The network equipment determines the second contraction-expansion factor according to the random access procedure message one, which is
The contraction-expansion factor of the corresponding transmission block of random access procedure message two；
Wherein, which determines the first random access parameter, comprising:
The network equipment determines first contraction-expansion factor according to second contraction-expansion factor.
In conjunction with second aspect, in certain possible implementations of second aspect, first contraction-expansion factor be less than or
Equal to second contraction-expansion factor.
The third aspect provides a kind of communication means, this method comprises:
Terminal device determines that the repetition transmission times of random access procedure message three is K, and K is just more than or equal to 1
Integer；
The terminal device repeats to send the K random access procedure message three to the network equipment；
N-th in transmission is repeated at this K times to repeat the time-domain position sent and receive downlink signal or high priority letter
Number time-domain position conflict in the case where or n-th repeat the time-domain position sent and receive downlink signal or high priority
The time-domain position of signal does not conflict, but the inadequate conduct of time interval with the previous downlink signal of reception or high priority signals
Protection interval (for example, the protection interval includes the terminal device processing time and/or uplink and downlink switching time etc.), skips the N
Secondary to repeat to send, N is the positive integer more than or equal to 1 and less than or equal to K.
In conjunction with the third aspect, in certain possible implementations of the third aspect, this method further include:
For the terminal device after skipping the n-th and repeating to send, continuing to send in next available time-domain position should be with
Machine access procedure message three.
In some possible implementations, terminal device continuation sends Msg3 on next available ascending resource.
In some possible implementations, which can be uplink (UL) and/or flexible
(Flexible) part, and the available ascending resource does not conflict with downlink signal or high priority resource, while the uplink provides
Source and previous downlink signal time interval are more than or equal to protection interval (for example, the protection interval includes terminal device processing
Time and/or uplink and downlink switching time etc.).
In conjunction with the third aspect, in certain possible implementations of the third aspect, this method further include:
After repeating to send for this K times, the primary random access procedure message three is retransmited.
In some possible implementations, which repeats to have skipped M repetition hair in transmission process at K times
It send, M is the positive integer more than or equal to 1 and less than or equal to K, this method further include:
After this K times repeats to send, the M random access procedure message three is being sent.
In some possible implementations, which includes downlink synchronous signal block (SS/PBCH block), is remained
Remaining minimum system information (RMSI) controls resource collection (Control Resource Set, CORESET), semi-static/semi-continuous
It is one or more kinds of in downlink signal (DL) and/or flexible part (Flexible) in uplink-downlink configuration.High priority letter
Number include Physical Random Access Channel (Physical Random Access Channel, PRACH), Physical Uplink Control Channel
PUCCH, uplink monitoring reference signal (SRS) retain one or more of resource (Reserved).
In conjunction with the third aspect, in certain possible implementations of the third aspect, this method further include:
The random access procedure message three sent is repeated for K times, can be sent using frequency hopping.
For example, can indicative of frequency hopping is sent in random access procedure message two frequency domain position, or using connecing at random
Enter two frequency domain resource indication field indicative of frequency hopping mode of procedure message.
In another example being repeated in transmission at K times, the frequency sent using fixed frequency pattern (pattern) or frequency hopping
Position is associated with number of repetition.
It should be understood that frequency hopping transmission refers to when each repetition sends random access procedure message three in the embodiment of the present application, adopt
With different frequency domain positions, help to obtain frequency diversity gain.
Fourth aspect, provides a kind of communication device, and the communication device can be used to execute first aspect and third party
The operation of face and its terminal device in any possible implementation.Specifically, the communication device may include for holding
The module list of each operation of the above-mentioned first aspect of row and the third aspect and its terminal device in any possible implementation
Member.
5th aspect, provides a kind of communication device, and the communication device can be used to execute second aspect and its any
The operation of the network equipment in possible implementation.Specifically, the communication device may include for executing above-mentioned second
The modular unit of each operation of aspect and its network equipment in any possible implementation.
6th aspect, provides a kind of terminal device, the terminal device includes: processor, transceiver and memory.Its
In, it is communicated with each other between the processor, transceiver and memory by internal connecting path.The memory refers to for storing
It enables, the processor is used to execute the instruction of the memory storage.When the processor executes the finger of the memory storage
It is described to execute so that the terminal device executes in first aspect and the third aspect and its any possible implementation when enabling
Either method or the communication device executed so that terminal device realization fourth aspect provides.
7th aspect, provides a kind of network equipment, the network equipment includes: processor, transceiver and memory.Its
In, it is communicated with each other between the processor, transceiver and memory by internal connecting path.The memory refers to for storing
It enables, the processor is used to execute the instruction of the memory storage.When the processor executes the finger of the memory storage
It is described to execute so that either the network equipment executes in second aspect and its any possible implementation method when enabling,
Or the communication device executed so that the 5th aspect of network equipment realization provides.
Eighth aspect, provides a kind of chip system, including memory and processor, and the memory is calculated for storing
Machine program, the processor from memory for calling and running the computer program, so that being equipped with the chip system
The communication equipment of system executes above-mentioned first aspect method either into the third aspect and its possible embodiment.
9th aspect, provides a kind of computer program product, the computer program product includes: computer program generation
Code, when the computer program code is by the communication unit of communication equipment (for example, the network equipment or terminal device), processing unit
Or when the operation of transceiver, processor, so that communication equipment executes above-mentioned first aspect to the third aspect and its possible embodiment party
Method either in formula.
Tenth aspect, provides a kind of computer readable storage medium, the computer-readable recording medium storage has journey
Sequence, described program make communication equipment (for example, the network equipment or terminal device) execute above-mentioned first aspect to the third aspect and
Method either in its possible embodiment.
On the one hand tenth, provides a kind of computer program, the computer program, will when executing on a certain computer
The computer can be made to realize above-mentioned first aspect method either into the third aspect and its possible embodiment.
12nd aspect, provides a kind of communication system, which includes the communication device that fourth aspect provides,
And/or the communication device provided in terms of the 5th；Alternatively,
The communication system includes the terminal device that the 6th aspect provides, and/or, the network equipment that the 7th aspect provides.
Detailed description of the invention
Fig. 1 is the schematic diagram of communication system provided by the embodiments of the present application.
Fig. 2 is a kind of schematic diagram of network architecture provided by the embodiments of the present application.
Fig. 3 is the schematic diagram of another network architecture provided by the embodiments of the present application.
Fig. 4 is the schematic flow chart that terminal device and the network equipment complete random access by four steps.
Fig. 5 is the schematic flow chart of communication means provided by the embodiments of the present application.
Fig. 6 is the K schematic diagram for repeating the time-domain position sent.
Fig. 7 is the K another schematic diagram for repeating the time-domain position sent.
Fig. 8 is the schematic flow chart of another communication means provided by the embodiments of the present application.
Fig. 9 is the schematic block diagram of communication device provided by the embodiments of the present application.
Figure 10 is another schematic block diagram of communication device provided by the embodiments of the present application.
Figure 11 is the schematic block diagram of terminal device provided by the embodiments of the present application.
Figure 12 is the schematic block diagram of the network equipment provided by the embodiments of the present application.
Specific embodiment
Hereinafter, being illustrated to the part term in the application:
1), terminal device, also referred to as user equipment (user equipment, UE), mobile station (mobile
Station, MS), mobile terminal (mobile terminal, MT) etc., be a kind of to provide a user voice/data connectivity
Equipment, for example, handheld device, mobile unit etc. with wireless connecting function.Currently, the citing of some terminals are as follows: mobile phone
(mobile phone), tablet computer, laptop, palm PC, mobile internet device (mobile internet
Device, MID), wearable device, virtual reality (virtual reality, VR) equipment, augmented reality (augmented
Reality, AR) equipment, the wireless terminal in Industry Control (industrial control), unmanned (self
Driving the wireless terminal in wireless terminal, remote operation (remote medical surgery) in), smart grid
The wireless terminal in wireless terminal, transportation safety (transportation safety) in (smart grid), smart city
The wireless terminal etc. in wireless terminal, wisdom family (smart home) in (smart city).
2), the network equipment is the equipment in wireless network, such as terminal is linked into the wireless access network of wireless network
(radio access network, RAN) node.Currently, the citing of some RAN nodes are as follows: gNB, transmission receiving point
(transmission reception point, TRP), evolved node B (evolved Node B, eNB), wireless network control
Device (radio network controller, RNC) processed, node B (Node B, NB), base station controller (base station
Controller, BSC), base transceiver station (base transceiver station, BTS), Home eNodeB is (for example, home
Evolved NodeB or home Node B, HNB), Base Band Unit (base band unit, BBU) or Wireless Fidelity
(wireless fidelity, Wifi) access point (access point, AP) etc..In a kind of network structure, the network equipment can
With include centralized unit (centralized unit, CU) node or distribution unit (distributed unit, DU) node,
Or the RAN equipment including CU node and DU node.
The network equipment in the embodiment of the present application can be for the equipment with terminal equipment in communication, which can be with
It is global system for mobile telecommunications (Global System of Mobile communication, GSM) system or CDMA (Code
Division Multiple Access, CDMA) in base station (Base Transceiver Station, BTS), be also possible to
In wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA) system base station (NodeB,
NB), can also be the evolved base station (Evolutional NodeB, eNB or eNodeB) in LTE system, can also be cloud without
Wireless controller or the network equipment under line access network (Cloud Radio Access Network, CRAN) scene
It can be relay station, access point, mobile unit, wearable device and the network equipment or the following evolution in future 5G network
PLMN network in the network equipment etc., the embodiment of the present application does not limit.
Before introducing the embodiment of the present application, the related notion in several HARQ is simply introduced first.
HARQ process (HARQ process): HARQ is sent using stop-and-wait protocol (stop-and-wait protocol)
Data.In stop-and-wait protocol, after transmitting terminal sends a transmission block (Transport Block, TB), just it is stopped for feeding back
Information carries out the confirmation of (ACK) or negative (NACK) certainly to the TB.But transmitting terminal is just stopped for really after transmission every time
Recognize, it is very low to will lead to handling capacity.Therefore long term evolution (Long Term Evolution, LTE) and 5G communication system are newly eated dishes without rice or wine
Multiple parallel HARQ processes can be used in prescribed terminal equipment in NR (New Radio): when a HARQ process is waiting really
When recognizing information, another HARQ process is can be used to continue to send data in transmitting terminal.
Redundancy versions (Redundancy Version, RV): redundancy versions used in transmission, value model are used to indicate
Enclose is 0~3.
Modulation and coding strategy (Modulation and Coding Scheme, MCS): Downlink Control Information in LTE
(Downlink Control Information, DCI) indicates current transmission institute using the MCS index (0~31) of 5 bits
The modulation used and code styles, and influence the selection of TB size (TB Size, TBS).The total 32 kinds of combinations of MCS, wherein 3
Kind combination (index is 29~31) is reserved, and this 3 kinds combinations are served only for retransmitting.
It should also be noted that, " agreement " can refer to the standard agreement of the communications field in the embodiment of the present application, such as can be with
Including LTE protocol, NR agreement and applied to the related protocol in following communication system, the application is not limited this.
It should also be noted that, in the embodiment shown below, the first, second equal pair only different convenient for differentiation
As constituting any restriction without coping with the application.
It should be noted "and/or", describe the incidence relation of affiliated partner, indicate may exist three kinds of relationships, example
Such as, A and/or B can be indicated: individualism A, exist simultaneously A and B, these three situations of individualism B.The general table of character "/"
Show that forward-backward correlation object is a kind of relationship of "or"."at least one" refers to one or more；" at least one in A and B
It is a ", it is similar to " A and/or B ", describes the incidence relation of affiliated partner, indicate may exist three kinds of relationships, for example, in A and B
At least one, can indicate: individualism A, exist simultaneously A and B, these three situations of individualism B.
Fig. 1 is a kind of schematic diagram of communication system 100 provided by the embodiments of the present application, as shown in Figure 1, terminal device 130
It is linked into wireless network, to obtain the service of outer net (such as internet) by wireless network, or passes through wireless network and its
Its terminal equipment in communication.The wireless network includes RAN110 and core net (CN) 120, and wherein RAN110 is used for terminal device
130 are linked into wireless network, and CN120 is for being managed terminal device and providing the gateway with outbound communication.
It should be understood that transmission data method provided by the present application is applicable to wireless communication system, for example, shown in Fig. 1
Wireless communication system 100.There are wireless communication connection, this two communications between two communication devices in wireless communication system
A communication device in device can correspond to terminal device 130 shown in Fig. 1, for example, can be the terminal device in Fig. 1
130, or the chip being configured in terminal device 130；Another communication device in two communication devices can correspond to
The RAN110 shown in Fig. 1, for example, can be the RAN110 in Fig. 1, or the chip being configured in RAN110.
Hereinafter, without loss of generality, the application is described in detail by taking the interactive process between terminal device and the network equipment as an example
Embodiment.It is appreciated that any one terminal device in wireless communication system can be based on identical method and have
Wirelessly communicate one or more network device communications of connection.The application does not limit this.
Fig. 2 is a kind of schematic diagram of network architecture provided by the embodiments of the present application, as shown in Fig. 2, the network architecture includes
CN equipment and RAN equipment.Wherein RAN equipment includes base band device and radio-frequency unit, and wherein base band device can be by a node
It realizes, can also be realized by multiple nodes, radio-frequency unit can zoom out independent realization from base band device, also can integrate base band dress
In setting, or part is zoomed out and is partially integrated in base band device.For example, long term evolution (Long Term Evolution,
LTE) in communication system, RAN equipment (eNB) includes base band device and radio-frequency unit, and wherein radio-frequency unit can be relative to base band
Device zooms out arrangement, such as Remote Radio Unit (remote radio unit, RRU) zooms out arrangement relative to BBU.
Communication between RAN equipment and terminal device follows certain protocol layer architecture.Such as chain of command agreement layer structure
It may include wireless heterogeneous networks (radio resource control, RRC) layer, Paket Data Convergence Protocol (packet
Data convergence protocol, PDCP) layer, wireless spread-spectrum technology (radio link control, RLC) layer, media
The function of access control (media access control, MAC) protocol layers such as layer and physical layer.User plane protocol layer structure can
With include PDCP layers, the function of the protocol layers such as rlc layer, MAC layer and physical layer；It in one implementation, can be on PDCP layers
(service data adaptation protocol, SDAP) layer is adapted to including business datum.
The function of these protocol layers can be realized by a node, or can be realized by multiple nodes；For example, in one kind
In evolution structure, RAN equipment may include centralized unit (centralized unit, CU) and distribution unit (distributed
Unit, DU), multiple DU can be by a CU centralized control.As shown in Fig. 2, CU and DU can be according to the protocol layer of wireless network
Divide, for example, PDCP layer and with the setting of the function of upper protocol layer in CU, PDCP protocol layer below, such as rlc layer and MAC layer etc.
Function be arranged in DU.
RAN equipment can be realized wireless heterogeneous networks (radio resource control, RRC) by a node, be divided
Group data converge layer protocol (packet data convergence protocol, PDCP), wireless spread-spectrum technology (radio
Link control, RLC) and the protocol layers such as media access control (Media Access Control, MAC) function；Or
The function of these protocol layers can be realized by multiple nodes；For example, RAN equipment may include concentrating in a kind of evolution structure
Unit (centralized unit, CU) and distribution unit (distributed unit, DU), multiple DU can be by a CU collection
Middle control.As shown in Fig. 2, CU and DU can be divided according to the protocol layer of wireless network, such as PDCP layers and with upper protocol layer
Function setting is arranged in the function of CU, PDCP protocol layer below, such as rlc layer and MAC layer etc. in DU.
The division of this protocol layer is only a kind of citing, can also be divided in other protocol layers, such as is drawn in rlc layer
Point, it is arranged by rlc layer and with the function of upper protocol layer in CU, the function of the following protocol layer of rlc layer is arranged in DU；Alternatively, at certain
It is divided in a protocol layer, such as the function of the protocol layer more than partial function and rlc layer of rlc layer is arranged in CU, by rlc layer
Remaining function and rlc layer protocol layer below function be arranged in DU.In addition it is also possible to be partitioned in other manners, such as by
Time delay divides, and the function that the processing time needs to meet delay requirement is arranged in DU, the function of meeting the delay requirement is not needed
It is arranged in CU.
In addition, radio-frequency unit can zoom out, it is not placed in DU, also can integrate in DU, or segment set is zoomed out in part
At in DU, it is not intended to be limited in any herein.
With continued reference to FIG. 3, Fig. 3 shows the schematic diagram of another network architecture provided by the embodiments of the present application, relatively
In framework shown in Fig. 2, the control plane (CP) of CU and user face (UP) can also be separated, be divided into different entities to realize, divide
It Wei not control plane CU entity (CU-CP entity) and user face CU entity (CU-UP entity).
In the above network architecture, the signaling that CU is generated can be sent to terminal device by DU or terminal device produces
Raw signaling can be sent to CU by DU.DU can not parse the signaling and directly encapsulate transparent transmission by protocol layer
To terminal device or CU.If being related to transmission of this signaling between DU and terminal device, at this point, DU pairs in following embodiment
Signaling sends or receives including this scene.It is sent out for example, RRC or PDCP layers of signaling is eventually handled for the signaling of PHY layer
Terminal device is given, alternatively, from the signaling transformation of the PHY layer received.Under this framework, the RRC or PDCP layers
Signaling, i.e., it is also assumed that being to be sent by DU, alternatively, being sent by DU and radio frequency.
CU is divided into the network equipment of the side RAN in the embodiment above, in addition it is also possible to which CU to be divided into the network of the side CN
Equipment, herein with no restrictions.
Device in the application following embodiment can be located at terminal device according to the function that it is realized.More than use
When the structure of CU-DU, the network equipment can be CU node or DU node or the RAN equipment including CU node and DU node.
Fig. 4 shows the schematic flow chart that terminal device and the network equipment complete random access by four steps, it should be appreciated that
By taking the CBRA in NR as an example, which includes: Fig. 4
S210, terminal device send random access procedure message one (Msg1) to the network equipment.
It should be understood that the random access procedure message one (Msg1) is referred to as random access request message or connects at random
Enter leader sequence (preamble).
The main function of preamble is to tell the network equipment to have a random access request, and enable the network equipment
Estimate the propagation delay time between remaining terminal device, so as to network equipment calibration uplink timing, and calibration information is passed through into S220
In random access procedure message two (Msg2) inform terminal device.
Each cell has 64 available preamble sequences, which can choose preamble (CFRA), In
Physical Random Access Channel (Physical Random Access Channel, PRACH) transmission.The network equipment is disappeared by system
Breath informs that terminal device current area can be used for transmitting the running time-frequency resource set of the PRACH of preamble, which initiates
When random access, it is also necessary to PRACH resource is selected, to send preamble.
S220, the network equipment send random access procedure message two (Msg2) to the terminal device.
It should be understood that the random access procedure message two (Msg2) is referred to as accidental access response message.
Specifically, transmission is corresponding to be connect at random after the network equipment receives the preamble that the terminal device is sent
Enter response (RA response, RAR) to the terminal device, may include random access procedure message three in transmission S230
(Msg3) time domain and frequency domain information, for the modulation coding scheme of Msg3, preamble mark, Timing Advance (TA) letter
Breath, initial uplink authorization (Uplink grant, UL grant) information can also carry the identification information of the terminal device,
For CBRA, after which receives RAR, judge that the preamble in RAR is identified whether and sent in S210
Preamble is identical, if identical, then it is assumed that RAR is received successfully, otherwise it is assumed that RAR reception failure, which can be weighed
New triggering RA process.
S230, the terminal device send random access procedure message three (Msg3) to the network equipment.
Specifically, the terminal device is logical in corresponding uplink transmission resource according to the UL grant information indicated in RAR
It crosses Physical Uplink Shared Channel (Physical Uplink Shared Channel, PUSCH) and sends data, may include wireless
Resource Control Layer (Radio Resource Control, RRC) message, the identification information of the terminal device, such as the terminal are set
Standby C-RNTI information, the recovery mark (Resume ID) of the terminal device or inactive mark (Inactive RNTI, I-
RNTI), wherein the Resume ID or I-RNTI distributes to the terminal device by the network equipment, which reports institute
It states mark and identifies the purposes such as identity and the relevant configuration information of the terminal device for the network equipment.
S240, the network equipment send random access procedure message four (Msg4) to the terminal device.
Specifically, due in S230 the terminal device can carry the identification information of the terminal device, the network equipment
In Conflicts management strategy, it can be won by the identification information that the Msg4 in S240 carries the terminal device with specifying in conflict resolving
Terminal device out, and the terminal device that other are not won in conflict resolving will re-initiate random access.
In the embodiment of the present application, mainly for the lower problem of Msg3 uplink covering performance in S230, sent by repeating
The Msg3 and/or use contraction-expansion factor send Msg3, to improve the uplink covering performance of Msg3.
Fig. 5 is the schematic flow chart of communication means 300 provided by the embodiments of the present application, as shown in figure 5, this method 300
Executing subject can be terminal device, can also be chip or device for the terminal device (below with executing subject
To be described for terminal device), this method 300 includes:
S310, terminal device determine the first random access parameter, which includes random access procedure
The repetition transmission times and/or the first contraction-expansion factor of message three, first contraction-expansion factor are that the random access procedure message three is right
The contraction-expansion factor for the transmission block answered；
S320, the terminal device send the random access procedure to the network equipment and disappear according to first random access parameter
Breath three.
Optionally, which includes the repetition transmission times of the random access procedure message three, the end
End equipment sends the random access procedure message three according to first random access parameter, to the network equipment, comprising:
The terminal device repeats to send the random access procedure message three to the network equipment.
It should be understood that repeating transmission GC group connector equipment in the embodiment of the present application and the same transmission block repeatedly being passed
It is defeated；It repeats to send can choose once to send different data redundancy version with preceding, for example, when carrying out 2 repetition transmissions, the
It is primary to send selection RV1, it can choose RV2 for the second time.
Specifically, the terminal device before sending Msg3, determines the repetition transmission times of the Msg3 (for example, repeating
Transmission times is K times, and K is the positive integer more than or equal to 1), then the terminal device can carry out the Msg3 repeating to send out for K times
It send
The communication means of the embodiment of the present application sends Msg3 by repeating, helps to improve the uplink spreadability of the Msg3
Energy.
Optionally, which includes first contraction-expansion factor, and the terminal device is first random according to this
Access parameter sends the random access procedure message three to the network equipment, comprising:
The terminal device uses first contraction-expansion factor, sends the random access procedure message three to the network equipment.
In the embodiment of the present application, contraction-expansion factor (scaling factor, sf) is the numerical value less than or equal to 1, is passed determining
When defeated block size, realize that reaching raising can in the less information bit of equal number of transmitted over resources using the contraction-expansion factor
By the purpose of property.For example, terminal device calculates N_info after determining contraction-expansion factor sf, through formula (1):
N_info=sf*N_re*R*Q_m*v (1)
Wherein, N_re is the resource element number that the network equipment distributes to the terminal device, and Q_m is order of modulation, and R is code
Rate, v are the number of plies.N_info is an intermediate variable for determining transport block size.
The terminal device determines the size of the transmission block of final Msg3 after determining the N_info, and according to determining
The big small package of the transmission block of the Msg3 Msg3 sends the Msg3 after encapsulation to the network equipment.
Specifically, the terminal device before sending Msg3, determines the first contraction-expansion factor for sending the Msg3, the terminal
Equipment sends the Msg3 using first contraction-expansion factor.
The communication means of the embodiment of the present application is not changing modulation by configuring the corresponding transmission block contraction-expansion factor of Msg3
The code rate that Msg3 is reduced in the case where coding mode, helps to improve the uplink covering performance of the Msg3.
Optionally, first random access parameter include random access procedure message three repetition transmission times and this first
Contraction-expansion factor, the terminal device send the random access procedure message three according to first random access parameter, to the network equipment,
Include:
The terminal device uses first contraction-expansion factor, repeats to send the random access procedure message to the network equipment
Three.
Specifically, the terminal device can be on the basis of repeating to send, in the transmission each time for repeating transmission process
The Msg3 is sent using first contraction-expansion factor in the process.
The communication means of the embodiment of the present application helps to improve the uplink covering performance of the Msg3.
Optionally, this method 300 further include:
The network equipment determines first random access parameter.
Specifically, the network equipment can determine first random access parameter before receiving the Msg3, receiving
The Msg3 is correctly decoded according to first random access parameter after to the Msg3.
Optionally, this method further include:
S301, the terminal device send random access procedure message one, the random access procedure message to the network equipment
One format is associated with first random access parameter；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first random access parameter according to the format of the random access procedure message one.
Optionally, this method 300 further include:
The network equipment determines first random access parameter according to the format of the random access procedure message one.
It should be understood that the format of the random access procedure message one is associated with first random access parameter can to refer to this
There is corresponding relationship between the format of preamble and first random access parameter, alternatively, can refer to the format of the preamble
There are mapping relations between first random access parameter.
For example, the repetition transmission times is associated with the format of the preamble, the format of different types of preamble
It can be associated with same or different repetition transmission times, as shown in table 1.
Table 1 repeats the corresponding relationship of transmission times and the format of preamble
It should be understood that repeatedly transmission times and the incidence relation of the format of the preamble do not limit in the embodiment of the present application
For table, the incidence relation of repetition transmission times Yu the preamble can also be established by other means.
It should also be understood that not limiting the corresponding specific repetition transmission times of every kind of format in the embodiment of the present application, repeat to send out
Number is sent to be more than or equal to 1.
It should also be understood that the repetition transmission times is that the maximum of the Msg3 repeats transmission times, the network equipment can be in terminal
Before equipment transmission reaches maximum repetition transmission times, if unsuccessful demodulation Msg3, it can be shifted to an earlier date with instruction terminal equipment
Stop sending.
For example, the terminal device is the repetition transmission times that can determine the Msg3 when the format of the preamble is C0
It is 2, which can repeat to send 2 times to the Msg3.
In another example the format of the random access procedure message one is associated with first contraction-expansion factor, different type
The format of preamble can be associated with the first same or different contraction-expansion factor, as shown in table 2.
The corresponding relationship of the format of 2 first contraction-expansion factor of table and preamble
| Random access preamble format | First contraction-expansion factor | Random access preamble format | First contraction-expansion factor |
| Long sequence -0 | 1/2 | A3 or A3/B3 | 1/8 |
| Long sequence -1 | 1/4 | B1 | 1 |
| Long sequence -2 | 1/8 | B4 | 1/8 |
| Long sequence -3 | 1/2 | C0 | 1/4 |
| A1 or A1/B1 | 1 | C2 | 1/8 |
| A2 or A2/B2 | 1/2 |
It should be understood that the incidence relation of the first contraction-expansion factor and the format of the preamble does not limit in the embodiment of the present application
For table, the incidence relation of the first contraction-expansion factor Yu the preamble can also be established by other means.
It should also be understood that the numerical value of corresponding first contraction-expansion factor of every kind of format is not limited in the embodiment of the present application, first
The numerical value of contraction-expansion factor is less than or equal to 1.
For example, the terminal device can determine that the Msg3 corresponding first stretches when the format of the preamble is C0
The factor is 1/4, which can be used the contraction-expansion factor and send the Msg3.
In another example can be in conjunction with Tables 1 and 2, when the format of the preamble is C0, which can determine this
The repetition transmission times of Msg3 is 2 and corresponding first contraction-expansion factor is 1/4, the terminal device can be used the contraction-expansion factor to
The network equipment repeats to send the Msg3 twice.
Optionally, this method 300 further include:
The terminal device sends random access procedure message one, the lattice of the random access procedure message one to the network equipment
Formula is associated with repetition transmission times set and/or contraction-expansion factor set, which is used to indicate the repetition transmission times
The repetition transmission times of the random access procedure message three in set, and/or, which is used to indicate the contraction-expansion factor
In first contraction-expansion factor；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines that this first connects at random according to the format of the random access procedure message one and the instruction information
Enter parameter.
For example, the format of the preamble can also correspond to one or more candidate repetition in the embodiment of the present application
Number, as shown in table 3.
Table 3 repeats the corresponding relationship of transmission times set and the format of preamble
Optionally, which can indicate the specific number of repetition in candidate collection by the instruction information, for example,
The network equipment can indicate two candidate specific values repeated in transmission times using 1bit.
It should be understood that the mode of the instruction may include in system message (SI), remaining minimum system message (RMSI), other
System message, synchronization message block, among one or more in Msg2.
It should be understood that not limiting specific repetition in the embodiment of the present application sends numerical value and number, network is not limited yet and is set
It is ready for use on the bit number of instruction.
For example, the terminal device can be somebody's turn to do by determining in the instruction information when the format of the preamble is C0
The repetition transmission times of Msg3 is 1 or 2.
For example, the format of the preamble can also correspond to the flexible of one or more candidate in the embodiment of the present application
The factor, as shown in table 4.
The corresponding relationship of the format of 4 first contraction-expansion factor of table and preamble
| Random access preamble format | First contraction-expansion factor | Random access preamble format | First contraction-expansion factor |
| Long sequence -0 | {1,1/2} | A3 or A3/B3 | {1,1/8} |
| Long sequence -1 | {1,1/4} | B1 | {1,1/2} |
| Long sequence -2 | {1,1/8} | B4 | {1,1/8} |
| Long sequence -3 | {1,1/2} | C0 | {1,1/4} |
| A1 or A1/B1 | {1,1/2} | C2 | {1,1/8} |
| A2 or A2/B2 | {1,1/4} |
Optionally, which can indicate that first in candidate multiple contraction-expansion factors is flexible by the instruction information
The factor, for example, the network equipment can indicate the first contraction-expansion factor in two candidate contraction-expansion factors using 1bit.
It should be understood that the mode of the instruction may include in system message (SI), remaining minimum system message (RMSI), other
System message, synchronization message block, among one or more in Msg2.
It should be understood that not limiting specific contraction-expansion factor numerical value and number in the embodiment of the present application, network is not limited yet and is set
It is ready for use on the bit number of instruction.
For example, the terminal device can be somebody's turn to do by determining in the instruction information when the format of the preamble is C0
Corresponding first contraction-expansion factor of Msg3 is 1 or 1/4.
In another example can be in conjunction with table 3 and table 4, when the format of the preamble is C0, which can be by this
It indicates to determine that corresponding first contraction-expansion factor of the Msg3 is 1/4 in information, the repetition transmission times of the Msg3 is 2, then the terminal
Equipment uses first contraction-expansion factor, repeats to send the Msg3 twice to the network equipment.
In some possible implementations, the embodiment of the present application also provides a kind of communication means, the communication means packets
It includes:
The network equipment sends downlink signal to terminal device, which receives the downlink letter of network equipment transmission
Number；
The terminal device is estimated according to the downlink signal, determines the first random access parameter, first random access
Parameter includes the repetition transmission times and/or the first contraction-expansion factor of random access procedure message three, which is should
The contraction-expansion factor of the transmission block of random access procedure message three, first random access parameter are related to random access leader sequence
Connection；
The terminal device determines the first random access leader sequence according to first random access parameter, this is first random
Access parameter is corresponding with first random access leader sequence；
The terminal device sends first random access leader sequence to the network equipment, which receives the terminal
First random access leader sequence that equipment is sent.
It should be understood that the random access leader sequence can also be referred to as Msg1.
It should also be understood that first random access parameter and random access leader sequence it is associated it can be appreciated that this first
Random access parameter and random access leader sequence identification information (Random Access Procedure Identifier,
RAPID) it is associated.For example, the association of RAPID and number of repetition is as shown in the table:
5 RAPID of table and number of repetition incidence relation
| RAPID | Number of repetition |
| 0~A | 1 |
| A+1~B | 2 |
| B+1~C | 3 |
| … | … |
A in table, B, C are a division (grouping) to all available leader sequences.The number of repetition can also be with
For maximum number of repetitions.Alternatively, the corresponding multiple numbers of repetition of each grouping, the network equipment can additionally be referred in Msg2
Show.
It should also be understood that the downlink information includes synchronization signal block SSB, channel state information reference signals CSI-RS, demodulation
One or more in reference signal DMRS etc..
Optionally, the first contraction-expansion factor of the transmission block of the repetition transmission times and/or Msg3 of the Msg3 can with it is random
Access lead is associated.For example, random access preamble is divided into multiple groups, the different repetition transmission times of every group of association and/or
First contraction-expansion factor.
Alternatively it is also possible to determine the first random access parameter by the network equipment, and informed before random access procedure
Terminal device.For example, random access procedure can be triggered by PDCCH, and indicate in Downlink Control Information DCI used the
One random access parameter.Alternatively, network equipment instruction terminal equipment carries out random access leader sequence used by random access
Identification information (Random Access Procedure Identifier, RAPID), the RAPID and described first is random
Access has the incidence relation.
It should be understood that will can also be connect at random since the first contraction-expansion factor can be used to calculate the size of the transmission block of Msg3
Enter leader sequence and is divided into multiple groups, the size of the transmission block of the different repetition transmission times of every group of association and/or Msg3.
Terminal device is estimated according to downlink signal, determines the repetition transmission times and/or the first contraction-expansion factor.Terminal device
According to the repetition transmission times and/or the first contraction-expansion factor and/or transport block size, leading in corresponding grouping, transmission is selected
This is leading.
Optionally, this method further include:
The network equipment determines the random access procedure message three according to first random access leader sequence received
Repetition transmission times, and corresponding resource is distributed in random access procedure message two.
Optionally, this method further include:
The network equipment determines the random access procedure message three according to first random access leader sequence received
Transmission block the first contraction-expansion factor.
Optionally, this method 300 further include:
S302, the terminal device receive the random access procedure message two of network equipment transmission, the random access procedure
Message two includes the second random access parameter, which includes Timing Advance and/or power contorl parameters,
Second random access parameter is associated with first random access parameter；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first random access parameter according to second random access parameter.
For example, power contorl parameters can be associated with number of repetition in present application example, as shown in table 6:
The corresponding relationship of table 6 repetition transmission times and power contorl parameters
| Power contorl parameters | (maximum) repeats transmission times |
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 3 |
Optionally, which can indicate that first in candidate multiple numbers of repetition repeats by the instruction information
Number, for example, the network equipment can indicate the first number of repetition in two candidate numbers of repetition using 1bit.
It should be understood that the mode of the instruction may include in system message (SI), remaining minimum system message (RMSI), other
System message, synchronization message block, among one or more in Msg2.
It should be understood that not limiting specific number of repetition numerical value and number in the embodiment of the present application, network is not limited yet and is set
It is ready for use on the bit number of instruction.
It should also be understood that the repetition transmission times can also function corresponding with the power contorl parameters in the embodiment of the present application
Rate adjusted value is associated, as shown in table 7:
The corresponding relationship of table 7 repetition transmission times and power adjustment
In another example power contorl parameters can be associated with contraction-expansion factor in present application example, as shown in table 8:
The corresponding relationship of table 8 first contraction-expansion factor and power contorl parameters
| Power contorl parameters | First contraction-expansion factor |
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1/2 |
| 5 | 1/2 |
| 6 | 1/4 |
| 7 | 1/8 |
Optionally, which can indicate that first in candidate multiple contraction-expansion factors is flexible by the instruction information
The factor, for example, the network equipment can indicate the first contraction-expansion factor in two candidate contraction-expansion factors using 1bit.
It should be understood that the mode of the instruction may include in system message (SI), remaining minimum system message (RMSI), other
System message, synchronization message block, among one or more in Msg2.
It should be understood that not limiting specific contraction-expansion factor numerical value and number in the embodiment of the present application, network is not limited yet and is set
It is ready for use on the bit number of instruction.
Optionally, it is described repeat transmission times and/or the first contraction-expansion factor can with connected before random access procedure target
Receive power or the association of leading reception power.For example, the leading reception power of different targets/leading received power value is associated with one
Or multiple numbers of repetition and/or contraction-expansion factor.Optionally, the network equipment can indicate candidate's by additional instruction information
Multiple numbers of repetition and/or contraction-expansion factor.
For example, the network equipment can determine whether Msg3 is repeated according to the reception power of random access procedure Msg2
Transmission.The reception power of the random access procedure Msg1 may include terminal device after Msg1 sends failure, carry out
After power climbing, the network equipment receives power.Whether the Msg3 repeats transmission and/or iterative transfer times instruction, and/or
The instruction for repeating transmission, can be at message 2 (Msg2), system message (SI), and remaining minimum system message (RMSI), broadcast disappears
It ceases, indicate/configure in one or more in RRC.
It should also be understood that the repetition transmission times can also function corresponding with the power contorl parameters in the embodiment of the present application
Rate adjusted value is associated, as shown in table 9:
The corresponding relationship of table 9 first contraction-expansion factor and power adjustment
Optionally, this method 300 further include:
The network equipment receives the random access procedure message one of terminal device transmission；
The network equipment determines the second random access parameter according to the random access procedure message one；
The network equipment determines first random access parameter according to second random access parameter.
It should be understood that the Timing Advance refers to terminal device in order to obtain uplink synchronous, for uplink in the embodiment of the present application
Signal sent in advance to compensate terminal device to the network equipment transmission time.The network equipment can be sent out by terminal device
The random access preamble sent, one or more in SRS, DMRS determines terminal Timing Advance, in random access procedure message 2
Or the terminal device Timing Advance/timing advance adjustment amount is notified in MAC-CE.
It should also be understood that the power contorl parameters are that the network equipment connects at random according to what terminal was sent in the embodiment of the present application
Enter leading reception power, determines that terminal device sends the power adjustment of random access procedure message three, and in random access
Instruction terminal power contorl parameters in procedure message two.
It should be understood that second random access parameter it is associated with first random access parameter can refer to TA and this first with
Have corresponding relationship between machine access parameter, alternatively, can refer to second random access parameter and first random access parameter it
Between have mapping relations.
For example, the repetition transmission times is associated with TA, different TA can be associated with same or different repetition and send
Number, as shown in table 10.
The corresponding relationship of table 10 repetition transmission times and TA
| TA(us) | (maximum) repeats transmission times |
| 0-500 | 1 |
| 501-1000 | 2 |
| 1001-1500 | 3 |
| 1501-2000 | 4 |
It, can be with it should be understood that the incidence relation for repeating transmission times and TA in the embodiment of the present application is not limited to table
The incidence relation for repeating transmission times and TA is established by other means.
It should also be understood that not limiting the specific specific value for repeating transmission times in the embodiment of the present application, TA is not also limited
Corresponding specific siding-to-siding block length and section number repeats transmission times and is more than or equal to 1.
It should also be understood that the repetition transmission times is that the maximum of the Msg3 repeats transmission times, the network equipment can be in terminal
Before equipment transmission reaches maximum repetition transmission times, if unsuccessful demodulation Msg3, it can be shifted to an earlier date with instruction terminal equipment
Stop sending.The benefit of this method is existing field of the TA value as Msg2, and it is associated to repeat transmission times with maximum, can be with
Additional bit indication is not needed.
For example, the terminal device is that can determine that the repetition transmission times of the Msg3 is 2, the terminal when the TA is 600us
Equipment can repeat to send 2 times to the Msg3.
In another example the TA is associated with first contraction-expansion factor, different TA can be associated with same or different first
Contraction-expansion factor, as shown in table 11.
The corresponding relationship of table 11 first contraction-expansion factor and TA
| TA(us) | First contraction-expansion factor |
| 0-500 | 1/2 |
| 501-1000 | 1/4 |
| 1001-1500 | 1/6 |
| 1501-2000 | 1/8 |
It should be understood that not limiting the specific value of the first contraction-expansion factor in the embodiment of the present application, do not limit corresponding to TA yet
Specific siding-to-siding block length and section number, the first contraction-expansion factor be less than or equal to 1.
For example, the terminal device can determine that first contraction-expansion factor is 1/4, the terminal device when the TA is 600us
First contraction-expansion factor can be used and send the Msg3.
In another example table 10 and table 11 can combine, when the TA is 600us, which can determine that this first is stretched
The contracting factor is 1/4 and the repetition transmission times of the Msg3 is 2, which can be used first contraction-expansion factor, to net
Network equipment repeats to send the Msg3 twice.
In some possible implementations, the embodiment of the present application also provides TA and power contorl parameters and repeat to send
The corresponding relationship of number, as shown in table 12:
12 TA of table and power contorl parameters and the corresponding relationship for repeating transmission times
| TA | Power contorl parameters | (maximum) repeats transmission times |
| 0-500 | 0-3 | 1 |
| 501-1000 | 4-6 | 2 |
| 1001-1500 | 7 | 3 |
| 1501-2000 | 0-7 | 4 |
It should be understood that the embodiment of the present application does not limit siding-to-siding block length corresponding to TA and section number, also do not limit
The specific value of transmission times is repeated, transmission times is repeated and is more than or equal to 1.
It should also be understood that table 11 is only that schematically, can also increase corresponding relationship in table 11, such as TA is 0-
500us and power contorl parameters are corresponding when being 4-7 to repeat transmission times, in another example, TA is 501-1000us and power control
Parameter is corresponding when being 0-3 to repeat transmission times.
For example, being 600us and when power contorl parameters are 4 meeting TA, which can determine the repetition of Msg3
Transmission times is 2.
In some possible implementations, the embodiment of the present application can also provide TA and power contorl parameters and first
The corresponding relationship of contraction-expansion factor, as shown in table 13:
The corresponding relationship of table 13 TA and power contorl parameters and the first contraction-expansion factor
| TA | Power contorl parameters | First contraction-expansion factor |
| 0-500 | 4 or 5 | 1/2 |
| 501-1000 | 6 | 1/4 |
| 1001-1500 | 7 | 1/6 |
| 1501-2000 | 0-7 | 1/8 |
It should be understood that the embodiment of the present application does not limit siding-to-siding block length corresponding to TA and section number, also do not limit
The specific value of first contraction-expansion factor, the first contraction-expansion factor are less than or equal to 1.
It should also be understood that table 13 is only that schematically, can also increase corresponding relationship in table 13, such as TA is 0-
500us and power contorl parameters corresponding first contraction-expansion factor when being 6 or 7, in another example, TA is 501-1000us and power control
Parameter corresponding first contraction-expansion factor when being 1-5.
For example, being 600us and when power contorl parameters are 6 meeting TA, which can determine the transmission of Msg3
The contraction-expansion factor of block is 1/4.
In some possible implementations, this method further include:
The terminal device receives the random access procedure message two and instruction information of network equipment transmission, the random access
Procedure message two includes the second random access parameter, which includes Timing Advance and/or power control
Parameter, second random access parameter is associated with repetition transmission times set and/or contraction-expansion factor set, which uses
In the repetition transmission times for indicating the random access procedure message three in the repetition transmission times set, and/or, instruction letter
Cease first contraction-expansion factor being used to indicate in the contraction-expansion factor；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first random access parameter according to second random access parameter and the instruction information.
For example, the TA can also correspond to one or more candidate number of repetition, such as 14 institute of table in the embodiment of the present application
Show.
The corresponding relationship of table 14 repetition transmission times and TA
| TA(us) | (maximum) repeats transmission times |
| 0-500 | {1,2} |
| 501-1000 | {1,2} |
| 1001-1500 | {1,3} |
| 1501-2000 | {1,3} |
Optionally, which can indicate the specific number of repetition in candidate collection by the instruction information, for example,
The network equipment can indicate two candidate specific values repeated in transmission times using 1bit.
It should be understood that the mode of the instruction may include in system message (SI), remaining minimum system message (RMSI), other
System message, synchronization message block, among one or more in Msg2.
It should be understood that not limiting specific repetition in the embodiment of the present application sends numerical value and number, it is right that TA institute is not limited yet
The specific siding-to-siding block length and section number answered do not limit the bit number that the network equipment is used to indicate yet.
For example, the terminal device can be sent out by determining the repetition of the Msg3 in the instruction information when the TA is 600us
Sending number is 1 or 2.
In another example the TA can also correspond to one or more candidate contraction-expansion factor, such as table 15 in the embodiment of the present application
It is shown.
The corresponding relationship of table 15 first contraction-expansion factor and TA
| TA(us) | First contraction-expansion factor |
| 0-500 | {1,1/2} |
| 501-1000 | {1/2,1/4} |
| 1001-1500 | {1/4,1/6} |
| 1501-2000 | {1/6,1/8} |
Optionally, which can indicate that first in candidate multiple contraction-expansion factors is flexible by the instruction information
The factor, for example, the network equipment can indicate the first contraction-expansion factor in two candidate contraction-expansion factors using 1bit.
It should be understood that the mode of the instruction may include in system message (SI), remaining minimum system message (RMSI), other
System message, synchronization message block, among one or more in Msg2.
It should be understood that not limiting specific contraction-expansion factor numerical value and number in the embodiment of the present application, it is right that TA institute is not limited yet
The specific siding-to-siding block length and section number answered do not limit the bit number that the network equipment is used to indicate yet.
For example, the terminal device can be by determining the Msg3 corresponding the when the TA is 600us in the instruction information
One contraction-expansion factor is 1/2 or 1/4.
In another example can be in conjunction with table 14 and table 15, when the TA is 600us, which can be believed by the instruction
Determine that corresponding first contraction-expansion factor of the Msg3 is 1/4 in breath, the repetition transmission times of the Msg3 is 2, then the terminal device makes
With first contraction-expansion factor, repeat to send the Msg3 twice to the network equipment.
Optionally, this method further include:
S302, the terminal device receive the random access procedure message two of network equipment transmission；
Wherein, which determines the first random access parameter, comprising:
The terminal device determines first contraction-expansion factor according to the second contraction-expansion factor, which is that this is random
The contraction-expansion factor of the corresponding transmission block of access procedure message two.
Specifically, the terminal device is in the first contraction-expansion factor for determining the Msg3, it can be with Msg2's based on the received
Second contraction-expansion factor determines first contraction-expansion factor.
For example, the terminal device in the first contraction-expansion factor for determining the Msg3, can be stretched using the second of the Msg2
The factor, that is, Msg3 is multiplexed the contraction-expansion factor of the Msg2.
In another example the terminal device in the first contraction-expansion factor for determining the Msg3, the second of the Msg2 can be stretched
The factor is multiplied by a coefficient, obtains first contraction-expansion factor.
Optionally, which is less than or equal to second contraction-expansion factor.
Optionally, this method 300 further include:
S301, the random access procedure message one which sends；
The network equipment determines the second contraction-expansion factor according to the random access procedure message one, which is
The contraction-expansion factor of the corresponding transmission block of random access procedure message two；
The network equipment determines first contraction-expansion factor according to second contraction-expansion factor.
Optionally, this method further include:
The terminal device receives the random access procedure message two and instruction information of network equipment transmission；
Wherein, which determines the first random access parameter, comprising:
The terminal device is according to the second contraction-expansion factor and the instruction information, from the corresponding contraction-expansion factor of the second contraction-expansion factor
Determine that first contraction-expansion factor, second contraction-expansion factor are stretching for the corresponding transmission block of random access procedure message two in set
The contracting factor.
Specifically, the network equipment sends instruction information to terminal device, which is used to indicate contraction-expansion factor collection
The first contraction-expansion factor in conjunction.
For example, the case where being indicated using the network equipment using 1bit, the corresponding contraction-expansion factor of Msg2 is 1, then Msg 3 is corresponding
Contraction-expansion factor can be { 1,1/2 }, the 1bit instruction instruction information can indicate first contraction-expansion factor be 1 or 1/2；
In another example the corresponding contraction-expansion factor of Msg2 is 1/2, then the corresponding contraction-expansion factor of Msg 3 can be { 1/2,1/4 }, the 1bit's
Instruction instruction information can indicate that first contraction-expansion factor is 1/2 or 1/4.
In the embodiment of the present application, not limit corresponding first contraction-expansion factor of Msg 3 specific value, as long as its be less than or
Person is equal to the corresponding contraction-expansion factor of Msg2.
Optionally, this method 300 further include:
The terminal device determines the time-domain position that K times repeats transmission and hybrid automatic repeat-request HARQ re-transmission period, K are
This repeats the number sent, and K is the positive integer more than or equal to 1, wherein this K times time for repeating transmission is less than primary
HARQ re-transmission period.
In one possible implementation, the time-domain position that this K times repetition is sent is adjacent in time, and Fig. 6 shows K
The secondary time-domain position for repeating to send.
Optionally, network equipments configuration (alternatively, default) HARQ re-transmission period, the HARQ re-transmission period can be equal to one
Fixed value, alternatively, the HARQ re-transmission period be indicated in the remaining minimum system message (RMSI) of network equipments configuration it is half quiet
The integral multiple in state uplink-downlink configuration period.
Optionally, which is predefined by agreement.
It should be understood that the HARQ re-transmission period is min if the network equipments configuration two are semi-statically configured period X and Y
(X, Y), alternatively, max (X, Y), alternatively, the integral multiple of (X+Y), the application are not limited in any way this.
In one possible implementation, the time-domain position that this K times repetition is sent is non-conterminous in time, and Fig. 7 is shown
Repeat the time-domain position sent another K times.
Optionally, this method 300 further include:
The terminal device receives the first instruction information of network equipment transmission, which is used to indicate the K
Deviant of the secondary time-domain position for repeating to send in the HARQ period.
For the period described in above two mode, which can additionally pass through the specific Msg3 hair of signal deployment
It send or deviant of the time duplicate position within the period.For example, the HARQ re-transmission period is T, for some terminal device,
It is deviant offset=0~T-1 in the period that its K times, which can be configured, and repeat the time-domain position sent.
For example, the HARQ re-transmission period is 5ms, which is 1ms, then the time-domain position that this K times repetition is sent is should
1ms after HARQ period start time.
Optionally, this K times time-domain position for repeating to send includes the time slot position sent every time during this K times repetition is sent,
This method 300 further include:
The terminal device determines the character position sent every time in the time slot position sent every time.
Specifically, both the above mode be determined for the terminal device send Msg3 time slot position, for when
The character position that specific Msg3 is sent in gap, can be indicated according to the time domain scheduling field in Msg2.Or true
The character position that Msg3 is sent in timing gap, alternatively, K repetition is sent in above two mode time-domain position or HARQ weight
When passing the period, the time-domain position or the tail portion in HARQ period sent from the time slot/repetition progresses distribution.
For example, the last symbol in some time slot is OFDM symbol#13, the length of the Msg3 is 3 symbols,
Then the actual character position of Msg3 is OFDM symbol#11, OFDM symbol#12 and OFDM symbol#13.
Optionally, this method 300 further include:
The network equipment sends second indication information to the terminal device, which receives network equipment transmission
The second indication information, the second indication information are used to indicate the random access procedure message three and receive successfully；
The terminal device stops sending the random access procedure message three according to the second indication information.
Specifically, above-mentioned terminal device carries out K to the Msg3 after the maximum repetition transmission times for determining Msg3 is K
Secondary to repeat to send, the network equipment can inform terminal device Msg3 before terminal device has sent K repetition transmission
It is properly received.
For example, the network equipment can tell terminal device Msg3 to be successfully transmitted by DCI, it is subsequent without carrying out again
It repeats；Alternatively, the terminal device does not receive state instruction, then default continues to send；Or the terminal device is being sent
Each time or after multiplicating, the ACK/NACK for waiting the network equipment to feed back is determining whether to continue subsequent transmission.
It should be understood that the frequency domain position that Msg3 is sent can be indicated by other fields in Msg2 in the embodiment of the present application.
Optionally, this method 300 further include:
After having sent random access procedure message three, which receives random access procedure in corresponding search space
Message four, to complete random access procedure.
Fig. 8 shows the schematic flow chart of communication means 400 provided by the embodiments of the present application, as shown in figure 8, this method
400 executing subject can be terminal device, can also be chip or device for the terminal device (below to execute master
Body be terminal device for be described), this method 400 includes:
S410, the repetition transmission times of the true random access procedure message three of terminal device are K, and K is more than or equal to 1
Positive integer；
S420, the terminal device to the network equipment during repeating to send K Msg3, if n-th repeats transmission
Time-domain position with receive downlink signal time-domain position conflict, the terminal device skip the n-th repeat send, N be greater than etc.
In 1 and be less than or equal to K positive integer.
Specifically, the terminal device can determine the random access mistake by any mode in the above method 300
The repetition transmission times of journey message three (Msg3) is K, repeats to send the Msg3 then to the network equipment, is repeating to send K times
In the process, conflict if n-th repeats the time-domain position sent with the time-domain position for receiving downlink signal or high priority signals,
Or n-th repeats the time-domain position sent and does not conflict with the time-domain position for receiving downlink signal or high priority signals, but with
The time interval of previous downlink signal or high priority signals is not enough used as protection interval (for example, the protection interval includes
Terminal device handles time and/or uplink and downlink switching time etc.), then the terminal device skips the n-th and repeats to send.
In some possible implementations, downlink signal may include downlink synchronous signal block (SS/PBCH block),
Remaining minimum system information (Remaining Minimum System Information, RMSI) controls resource collection
(Control Resource Set, CORESET), in semi-static/semi-continuous uplink-downlink configuration (Semi-static DL/UL)
Downlink signal (DL) and/or flexibly one or more of the part of (Flexible).
In some possible implementations, which may include Physical Random Access Channel
(Physical Random Access Channel, PRACH), uplink control channel (Physical Uplink Control
Channel, PUCCH), uplink monitoring reference signal (Sounding Reference Signal, SRS) retains resource
One or more of (Reserved).
Optionally, this method 400 further include:
After skipping the n-th and repeating to send, which continues to send in next available time-domain position should be with
Machine access procedure message three.
Optionally, which continues may be used also in next available time-domain position transmission random access procedure message three
To be referred to as are as follows: the terminal device sends Msg3 on next available ascending resource.
It should be understood that the available ascending resource can be uplink (UL) and/or flexible part (Flexible), and this is available
Time-domain position does not conflict with downlink signal or high priority resource, while when the available time-domain position and previous downlink signal
Between interval be more than or equal to protection interval (for example, the protection interval include terminal device processing the time and/or uplink and downlink switching
Time etc.).
Specifically, the terminal device can continue to send the Msg3 on next available time-domain position.
Optionally, this method 400 further include:
After repeating to send for this K times, the primary random access procedure message three is retransmited.
Optionally, which, which repeats to have skipped M time in transmission process at K times, repeats to send, M for more than or equal to 1 and
Positive integer less than or equal to K, this method further include:
After this K times repeats to send, the M random access procedure message three is being sent.
Specifically, the terminal device can consider this time after the n-th repeats to send and conflict with downlink signal transmission
Repeat to send for it is invalid/skip this time and repeat to send, then actually terminal device repeats a hair on the time-domain position sent at K time
K-1 Msg3 is sent, then the terminal device can retransmit the primary Msg3, then after completing this K times repetition transmission
Final or repetition has sent K Msg3.
Optionally, this method 400 further include:
The random access procedure message three sent is repeated for K times, can be sent using frequency hopping.
For example, can indicative of frequency hopping is sent in random access procedure message two frequency domain position, or using connecing at random
Enter two frequency domain resource indication field indicative of frequency hopping mode of procedure message.
In another example being repeated in transmission at K times, the frequency sent using fixed frequency pattern (pattern) or frequency hopping
Position is associated with number of repetition.
It should be understood that frequency hopping transmission refers to when each repetition sends Msg3, using different frequency domain positions in the embodiment of the present application
It sets, helps to obtain frequency diversity gain.
Mechanism is terminated in advance it should be understood that also can use in the above method 300 in method 400, for sake of simplicity, herein not
It repeats again.
More than, it is so detailed that describe the communication means of the embodiment of the present application in conjunction with Fig. 1 to Fig. 8, below with reference to 9 to figure
12, the communication equipment, terminal device and the network equipment of the embodiment of the present application, technology described in embodiment of the method is described in detail
Feature is equally applicable to following Installation practice.
Fig. 9 shows the schematic block diagram of the communication equipment 500 of the embodiment of the present application, as shown in figure 9, the communication equipment
500 include: processing module 510 and transceiver module 520.
Wherein, for the processing module 510 for determining the first random access parameter, which includes random
The repetition transmission times and/or the first contraction-expansion factor of access procedure message three, first contraction-expansion factor are the random access procedure
The contraction-expansion factor of the corresponding transmission block of message three；
The processing module 510 is also used to control the transceiver module 520 to the network equipment according to first random access parameter
Send the random access procedure message three.
Optionally, which is also used to receive the random access procedure message two of network equipment transmission, should be with
Machine access procedure message two includes the second random access parameter, which includes Timing Advance and/or function
Rate control parameter, second random access parameter are associated with first random access parameter；
Wherein, which is specifically used for:
According to second random access parameter, first random access parameter is determined.
Optionally, which is also used to send random access procedure message one to the network equipment, this connects at random
The format for entering procedure message one is associated with first random access parameter；
Wherein, which is specifically used for:
According to the format of the random access procedure message one, first random access parameter is determined.
Optionally, which is also used to receive the random access procedure message two of network equipment transmission；
Wherein, which is specifically used for:
According to the second contraction-expansion factor, first contraction-expansion factor is determined, which is that the random access procedure disappears
Cease the contraction-expansion factor of two corresponding transmission blocks.
Optionally, which is less than or equal to second contraction-expansion factor.
Optionally, which, which is also used to determine K times, repeats the time-domain position and hybrid automatic repeat-request that send
HARQ re-transmission period, K are the number for repeating to send, and K is the positive integer more than or equal to 1, wherein this K times repetition is sent
Less than one time HARQ re-transmission period of time.
Optionally, which is also used to receive the first instruction information of network equipment transmission, first instruction
Information is used to indicate this K times and repeats deviant of the time-domain position of transmission in the HARQ period.
Optionally, this K times time-domain position for repeating to send includes the time slot position sent every time during this K times repetition is sent,
The processing module 510 is also used in the time slot position sent every time, determines the character position sent every time.
Optionally, n-th repeats the time-domain position sent and reception downlink signal in this K times repetition transmission or height is preferential
The time-domain position conflict of grade signal, alternatively, n-th repeats the time-domain position sent and receives downlink signal or high priority signals
Time-domain position do not conflict, but with receive the time interval of previous downlink signal or high priority signals not enough as protecting
Interval, N are the positive integer more than or equal to 1 and less than or equal to K, which is also used to control the transceiver module 520 and skips
The n-th repeats to send.
Optionally, which is also used to after repeating to send for this K times, retransmits the primary random access
Procedure message three.
Optionally, which is also used to receive the second indication information of network equipment transmission, second instruction
Information is used to indicate the random access procedure message three and receives successfully；
The processing module 510 is also used to control the transceiver module 520 according to the second indication information and stop sending this at random
Access procedure message three.
Specifically, which can correspond to the terminal device in the communication means 300 of the embodiment of the present application, should
Communication device 500 may include (or single for executing the module for the method that the terminal device of communication means 300 in Fig. 5 executes
Member).Also, each module (or unit) and other above-mentioned operation and/or functions in the communication equipment 500 are for reality respectively
The corresponding process of communication means 300 in existing Fig. 5.Each module (or unit) executes the detailed process of above-mentioned corresponding steps in method
It has been described in detail in 300, for sake of simplicity, details are not described herein.
It should be understood that the communication device 500 can be terminal device, or chip or function list in terminal device
Member.
Figure 10 shows the schematic block diagram of the communication equipment 600 of the embodiment of the present application, as shown in Figure 10, the communication equipment
600 include: processing module 610 and transceiver module 620.
For the processing module 610 for determining the first random access parameter, which includes random access
The repetition transmission times and/or the first contraction-expansion factor of procedure message three, first contraction-expansion factor are the random access procedure message
The contraction-expansion factor of three corresponding transmission blocks；
The transceiver module 620 sends the random access procedure according to first random access parameter for receiving terminal apparatus
Message three.
Optionally, which is also used to the random access procedure message one of receiving terminal apparatus transmission；
The processing module 610 is also used to determine the second random access parameter according to the random access procedure message one, this
Two random access parameters include Timing Advance and/or power contorl parameters, second random access parameter and this is first random
Access parameter is associated；
Wherein, which is specifically used for:
According to second random access parameter, first random access parameter is determined.
Optionally, which is also used to the random access procedure message one of receiving terminal apparatus transmission, this is random
The format of access procedure message one is associated with first random access parameter；
Wherein, which is specifically used for:
According to the format of the random access procedure message one, first random access parameter is determined.
Optionally, which is also used to the random access procedure message one of receiving terminal apparatus transmission；
The processing module 610 is also used to determine the second contraction-expansion factor according to the random access procedure message one, this second is stretched
The contracting factor is the contraction-expansion factor of the corresponding transmission block of random access procedure message two；
Wherein, which is specifically used for:
According to second contraction-expansion factor, first contraction-expansion factor is determined.
Optionally, which is less than or equal to second contraction-expansion factor.
Specifically, which can correspond to the network equipment in the communication means 300 of the embodiment of the present application, should
Communication device 600 may include (or single for executing the module for the method that the network equipment of communication means 300 in Fig. 5 executes
Member).Also, each module (or unit) and other above-mentioned operation and/or functions in the communication equipment 600 are for reality respectively
The corresponding process of communication means 300 in existing Fig. 5.Each module (or unit) executes the detailed process of above-mentioned corresponding steps in method
It has been described in detail in 300, for sake of simplicity, details are not described herein.
It should be understood that the communication device 600 can be the network equipment, or chip or function list in the network equipment
Member.
It should be understood that the division of module (or unit) is only a kind of division of logic function in apparatus above, it is practical to realize
When can completely or partially be integrated on a physical entity, can also be physically separate.And the module in device is (or single
Member) it can all be realized by way of processing element calls with software；It can also all realize in the form of hardware；It can be with
Part of module (perhaps unit) realizes part of module (or unit) with hardware with software by way of processing element calls
Form is realized.For example, modules (or unit) can be the processing element individually set up, also can integrate device certain
It is realized in one chip, in addition it is also possible to be stored in memory in the form of program, by some processing element tune of device
With and execute the function of the module (or unit).Furthermore these modules (or unit) completely or partially can integrate one
It rises, can also independently realize.Processing element described here can become processor again, can be a kind of processing with signal
The integrated circuit of ability.During realization, each step or the above modules (or unit) of the above method can pass through
The integrated logic circuit of hardware in processor elements is realized or is realized by way of processing element calls with software.
In one example, the module (or unit) in any of the above device can be arranged to implement above method
One or more integrated circuits, such as: one or more specific integrated circuit (Application Specific
Integrated Circuit, ASIC), or, one or more microprocessors (digital singnal processor,
DSP), or, one or more field programmable gate array (Field Programmable Gate Array, FPGA) or this
At least two combination in a little integrated circuit forms.For another example, when the module (or unit) in device can pass through processing element
When the form of scheduler program is realized, which can be general processor, such as central processing unit (Central
Processing Unit, CPU) or it is other can be with the processor of caller.For another example, these modules (or unit) can collect
At together, realized in the form of system on chip (system-on-a-chip, SOC).
It is a kind of interface circuit of device for transceiver module (or unit) above, believes for being received from other devices
Number, it can be used for sending signal to other devices.For example, when the device is realized in a manner of chip, which is
The chip is used to receive the interface circuit of signal from other chips or device, is also possible to a kind of interface circuit of device, uses
In to other devices send signal.For example, the transceiver module can be chip use when the device is realized in a manner of chip
In the interface circuit for sending signal to other chips or device.
Figure 11 shows a kind of structural schematic diagram of terminal device provided by the embodiments of the present application.It can be implemented to be above
Terminal device in example, for realizing the operation of terminal device in above embodiments.As shown in figure 11, which includes: antenna
710, radio frequency part 720, signal processing 730.Antenna 710 is connect with radio frequency part 720.In the downstream direction, radio-frequency part
Divide 720 to receive the information that the network equipment is sent by antenna 710, the information that the network equipment is sent is sent to signal processing
730 are handled.In the upstream direction, signal processing 730 handles the information of terminal device, and is sent to radio frequency
Part 720, radio frequency part 720 by antenna 710 are sent to the network equipment after handling the information of terminal device.
Signal processing 730 may include modulation /demodulation subsystem, for realizing the place to each communications protocol layers of data
Reason；It can also include central processing subsystem, for realizing the processing to terminal device operating system and application layer；In addition,
It can also include other subsystems, such as IP multimedia subsystem, IMS, periphery subsystem etc., wherein IP multimedia subsystem, IMS is for realizing right
Terminal camera, the control that screen is shown etc., periphery subsystem is for realizing the connection with other equipment.Modulation /demodulation subsystem can
Think the chip being separately provided.Optionally, the above device for terminal device can be located at the modulation /demodulation subsystem.
Modulation /demodulation subsystem may include one or more processing elements 731, it may for example comprise a master cpu and its
Its integrated circuit.In addition, the modulation /demodulation subsystem can also include memory element 732 and interface circuit 733.Memory element
732 for storing data and program, but the program for executing method performed by terminal device in above method may not deposit
It is stored in the memory element 732, and is stored in the memory except modulation /demodulation subsystem, modulation /demodulation subsystem when use
System load uses.Interface circuit 733 is used for and other subsystem communications.Modulation can be located at for the device of terminal device above
Sub-system is solved, which can realize that the chip includes at least one processing element and interface by chip
Circuit, wherein processing element is used to execute each step for any method that the above terminal executes, and interface circuit is used for and it
The communication of its device.In one implementation, terminal realizes that the unit of each step in above method can be dispatched by processing element
The form of program is realized, such as the device for terminal device includes processing element and memory element, and processing element calls storage
The program of element storage, to execute the method that terminal device executes in above method embodiment.Memory element can be processing elements
Part is in the memory element on same chip, i.e. memory element in piece.
In another implementation, for execute method performed by terminal device in above method program can with place
Reason element is in the memory element on different chips, i.e. piece external storage element.At this point, processing element is from piece external storage element calling
Or loading procedure is in the method in piece on memory element, to call and execute terminal device execution in above method embodiment.
In another is realized, terminal device realizes that the unit of each step in above method can be arranged to one
Or multiple processing elements, these processing elements are set on modulation /demodulation subsystem, processing element here can be integrated electricity
Road, such as: one or more ASIC, or, one or more DSP, or, one or more FPGA or the integrated electricity of these classes
The combination on road.These integrated circuits can integrate together, constitute chip.
Terminal device realizes that the unit of each step in above method can integrate together, with system on chip (system-
On-a-chip, SOC) form realize, the SOC chip, for realizing above method.It can integrate at least one in the chip
Processing element and memory element are called the form of the program of the storage of memory element to realize that the above terminal device is held by processing element
Capable method；Alternatively, can integrate at least one integrated circuit in the chip, the side executed for realizing the above terminal device
Method；Alternatively, can be realized by way of processing element caller in conjunction with implementation above mode, the function of unit, portion
The function of sub-unit is realized by way of integrated circuit.
As it can be seen that may include above at least one processing element and interface circuit for the device of terminal device, wherein extremely
A few processing element is used to execute the method that any terminal device executes provided by above method embodiment.Processing element
Can be in the first manner: i.e. the mode of the program of calling memory element storage executes some or all of terminal device execution step
Suddenly；It can also be in the second: being held in such a way that the integrated logic circuit of the hardware in processor elements combines instruction
Some or all of row terminal device execution step；It is of course also possible to execute terminal in conjunction with first way and the second way
Some or all of equipment execution step.
Here the same above description of processing element, can be general processor, such as CPU, can also be and be configured to reality
One or more integrated circuits of above method are applied, such as: one or more ASIC, or, one or more microprocessors DSP,
Or, in one or more FPGA etc. or these integrated circuit forms at least two combination.
Memory element can be a memory, be also possible to the general designation of multiple memory elements.
Figure 12 is a kind of structural schematic diagram of network equipment provided by the embodiments of the present application.For realizing in above embodiments
The operation of the network equipment.As shown in Figure 1, the network equipment includes: antenna 801, radio-frequency unit 802, base band device 803.Antenna
801 connect with radio-frequency unit 802.In the upstream direction, radio-frequency unit 802 passes through the letter that 801 receiving terminal apparatus of antenna is sent
The information that terminal device is sent is sent to base band device 803 and handled by breath.In the downstream direction, 803 pairs of ends of base band device
The information of end equipment is handled, and is sent to radio-frequency unit 802, and radio-frequency unit 802 handles the information of terminal device
Terminal device is sent to by antenna 801 afterwards.
Base band device 803 may include one or more processing elements 8031, it may for example comprise a master cpu and other
Integrated circuit.In addition, the base band device 803 can also include memory element 8032 and interface 8033, memory element 8032 is used for
Store program and data；Interface 8033 be used for 802 interactive information of radio-frequency unit, which is, for example, common public radio interface
(common public radio interface, CPRI).Base band device can be located at for the device of the network equipment above
803, for example, can be above the chip on base band device 803 for the device of the network equipment, which includes at least one
Element and interface circuit are managed, wherein processing element is used to execute each step for any method that the above network equipment executes,
Interface circuit with other devices for communicating.In one implementation, the network equipment realizes the unit of each step in above method
It can be realized by way of processing element scheduler program, such as the device for the network equipment includes processing element and storage member
Part, processing element call the program of memory element storage, to execute the method that the network equipment executes in above method embodiment.It deposits
Storage element can be in the memory element on same chip, i.e. memory element in piece for processing element, or with processing elements
Part is in the memory element on different chips, i.e. piece external storage element.
In another implementation, the network equipment realizes that the unit of each step in above method can be arranged to one
Or multiple processing elements, these processing elements are set on base band device, processing element here can be integrated circuit, example
Such as: one or more ASIC, or, one or more DSP, or, the group of one or more FPGA or these adhesive integrated circuits
It closes.These integrated circuits can integrate together, constitute chip.
The network equipment realizes that the unit of each step in above method can integrate together, with system on chip (system-
On-a-chip, SOC) form realize, for example, base band device includes the SOC chip, for realizing above method.In the chip
It can integrate at least one processing element and memory element, call the form of the program of the storage of memory element real by processing element
The now method that the above network equipment executes；Alternatively, can integrate at least one integrated circuit in the chip, for realizing with online
The method that network equipment executes；Alternatively, processing element caller can be passed through in conjunction with implementation above mode, the function of unit
Form realize that the function of unit realized by way of integrated circuit.
As it can be seen that may include above at least one processing element and interface circuit for the device of the network equipment, wherein extremely
A few processing element is used to execute the method that any network equipment executes provided by above method embodiment.Processing element
Can be in the first manner: i.e. the mode of the program of calling memory element storage executes some or all of network equipment execution step
Suddenly；It can also be in the second: being held in such a way that the integrated logic circuit of the hardware in processor elements combines instruction
Some or all of row network equipment execution step；It is of course also possible to more than in conjunction with first way and second way execution
Some or all of network equipment execution step.
Here the same above description of processing element, can be general processor, such as CPU, can also be and be configured to reality
One or more integrated circuits of above method are applied, such as: one or more ASIC, or, one or more microprocessors DSP,
Or, in one or more FPGA etc. or these integrated circuit forms at least two combination.
Memory element can be a memory, be also possible to the general designation of multiple memory elements.
Terminal device and the network equipment in above-mentioned each Installation practice can be with the terminal devices in embodiment of the method
Perhaps the network equipment is completely corresponding executes corresponding step by corresponding module or unit, for example, transceiver module includes sending
The step of module and receiving module, sending module (transmitter) can execute the transmission in embodiment of the method, receiving module (receive
Device) the step of reception in embodiment of the method can be executed, other steps in addition to transmitting and receiving can by processing module (
Manage device) it executes.The function of specific module can refer to corresponding embodiment of the method.Sending module and receiving module can form receipts
Module is sent out, transmitter and receiver can form transceiver, realize transmission-receiving function jointly；Processor can be for one or more
It is a.
The embodiment of the present application also provides a kind of communication system, which includes: above-mentioned terminal device, and/or, on
State the network equipment.
In the embodiment of the present application, it should be noted that the above-mentioned embodiment of the method for the embodiment of the present application can be applied to processor
In, or realized by processor.Processor may be a kind of IC chip, the processing capacity with signal.It was realizing
Cheng Zhong, each step of above method embodiment can pass through the integrated logic circuit of the hardware in processor or software form
Instruction is completed.Above-mentioned processor can be general processor, digital signal processor (Digital Signal
Processor, DSP), it is specific integrated circuit (Application Specific Integrated Circuit, ASIC), existing
At programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete
Door or transistor logic, discrete hardware components.It may be implemented or execute the disclosed each side in the embodiment of the present application
Method, step and logic diagram.General processor can be microprocessor or the processor is also possible to any conventional processing
Device etc..The step of method in conjunction with disclosed in the embodiment of the present application, can be embodied directly in hardware decoding processor and execute completion,
Or in decoding processor hardware and software module combination execute completion.Software module can be located at random access memory, dodge
It deposits, read-only memory, this fields such as programmable read only memory or electrically erasable programmable memory, register are mature to deposit
In storage media.The storage medium is located at memory, and processor reads the information in memory, completes the above method in conjunction with its hardware
The step of.
It is appreciated that the memory in the embodiment of the present application can be volatile memory or nonvolatile memory, or
It may include both volatile and non-volatile memories.Wherein, nonvolatile memory can be read-only memory (Read-
Only Memory, ROM), programmable read only memory (Programmable ROM, PROM), the read-only storage of erasable programmable
Device (Erasable PROM, EPROM), electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or
Flash memory.Volatile memory can be random access memory (Random Access Memory, RAM), be used as external high
Speed caching.By exemplary but be not restricted explanation, the RAM of many forms is available, such as static random access memory
(Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), Synchronous Dynamic Random Access Memory
(Synchronous DRAM, SDRAM), double data speed synchronous dynamic RAM (Double Data Rate
SDRAM, DDR SDRAM), enhanced Synchronous Dynamic Random Access Memory (Enhanced SDRAM, ESDRAM), synchronized links
Dynamic random access memory (Synchlink DRAM, SLDRAM) and direct rambus random access memory (Direct
Rambus RAM, DR RAM).It should be noted that the memory of system and method described herein be intended to include but be not limited to these and
The memory of any other suitable type.
It should be understood that " one embodiment " or " embodiment " for being mentioned in specification mean it is related with embodiment specific
Feature, structure or characteristic include at least one embodiment of the application.Therefore, " the In occurred everywhere in the whole instruction
In one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, structure
Or characteristic can combine in any suitable manner in one or more embodiments.It should be understood that in the various embodiments of the application
In, magnitude of the sequence numbers of the above procedures are not meant that the order of the execution order, the execution sequence Ying Yiqi function of each process
It is determined with internal logic, the implementation process without coping with the embodiment of the present application constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.The terms " and/
Or ", only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, it can be with table
Show: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent front and back
Affiliated partner is a kind of relationship of "or".
It should be understood that in the embodiment of the present application, " B corresponding with A " indicates that B is associated with A, B can be determined according to A.But
It should also be understood that determining that B is not meant to determine B only according to A according to A, B can also be determined according to A and/or other information.
The term " first " that occurs in the application, " second " etc. are merely to distinguish different objects, " first ", " second "
The actual order or function for the object that itself do not modify it are defined." illustrative " occurred in the application, " shows
Example ", " such as ", the statement such as " optional design " or " a kind of design " is only used for indicating citing, illustration or explanation.This Shen
Please in be described as " illustrative ", " example ", " such as ", any embodiment of " optional design " or " a kind of design " or
Design scheme is all not necessarily to be construed as than other embodiments or design scheme more preferably or more advantage.Specifically, this is used
A little words are intended to that related notion is presented in specific ways.
The term " uplink " occurred in the application and " downlink ", for describing the side of data/information transmission in special scenes
To for example, " uplink " direction generally refers to the direction that data/information is transmitted from terminal device to network side, or distributed single
The direction that member is transmitted to centralized unit, " downlink " direction generally refer to what data/information was transmitted from network side to terminal device
Direction, or the direction that centralized unit is transmitted to distributed unit, it will be understood that " uplink " and " downlink " is only used for description number
According to the transmission direction of/information, the equipment of the specific start-stop of data/information transmission is all not construed as limiting.
Occur in the application be similar to " including it is at least one of following: the meaning of A, B and C " statement, such as without especially
Illustrate, it can be any of following for typically referring to the project: A；B；C；A and B；A and C；B and C；A, B and C；A and A；A, A and
A；A, A and B；A, A and C, A, B and B；A, C and C；B and B, B, B and B, B, B and C, C and C；C, C and C and other A's, B and C
Combination.It is that totally 3 elements carry out the optional entry of for example bright project with A, B and C above, when this is expressed as " project
Including at least one of following: A, B ... ... and when X ", i.e., when there is more multielement in the expression, then the project can be with
Applicable entry can also be obtained according to aforementioned rule.
Be likely to occur in this application to various messages/information/equipment/network element/systems/devices/actions/operations/streams
All kinds of objects such as journey/concept have carried out tax name, it is to be understood that these specific titles do not constitute the limit to related object
It is fixed, assigned title can with scene, the factors such as context or use habit and change, the technology of technical term in the application is contained
The understanding of justice, should mainly from it embodied in the technical solution/function that executes and technical effect determine.
The framework of CU and DU is not limited to 5G NR gNB in the embodiment of the present application, can be applied in LTE base station and is divided into CU
With the scene of DU；CU can also be further divided into CP and UP two parts.Optionally, when for LTE base station, the protocol layer is not
Include SDAP layers.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is related with embodiment
A particular feature, structure, or characteristic includes at least one embodiment of the application.Therefore, occur everywhere in the whole instruction
" in one embodiment " or " in one embodiment " not necessarily refer to identical embodiment.In addition, these specific features, knot
Structure or characteristic can combine in any suitable manner in one or more embodiments.It should be understood that in the various implementations of the application
In example, magnitude of the sequence numbers of the above procedures are not meant that the order of the execution order, the execution sequence Ying Yiqi function of each process
It can be determined with internal logic, the implementation process without coping with the embodiment of the present application constitutes any restriction.
In addition, the terms " system " and " network " are often used interchangeably herein.The terms " and/
Or ", only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds of relationships, for example, A and/or B, it can be with table
Show: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, character "/" herein, typicallys represent front and back
Affiliated partner is a kind of relationship of "or".
It should be understood that in the embodiment of the present application, " B corresponding with A " indicates that B is associated with A, B can be determined according to A.But
It should also be understood that determining that B is not meant to determine B only according to A according to A, B can also be determined according to A and/or other information.
The network architecture and business scenario of the embodiment of the present application description are that the application reality is clearly understood that for the ease of reader
The technical solution of example is applied, the restriction for technical solution provided by the embodiments of the present application, ordinary skill people are not constituted
Member is it is found that technical solution provided by the embodiments of the present application is for class with the differentiation of the network architecture and the appearance of new business scene
As technical problem, it is equally applicable.
In above-described embodiment, it can be realized wholly or partly by software, hardware, firmware or any combination thereof.
When implemented in software, it can entirely or partly realize in the form of a computer program product.The computer program produces
Product may include 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
Computer, computer network or other programmable devices.The computer instruction can store in computer-readable storage medium
In matter, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the calculating
Machine instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
Word user (DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to another web-site, computer, server or
Data center is transmitted.The computer readable storage medium can be any usable medium that computer can access or
It is comprising data storage devices such as one or more usable mediums integrated server, data centers.The usable medium can be with
It is magnetic medium (for example, floppy disk, hard disk, disk), optical medium (for example, DVD) or semiconductor medium (such as solid state hard disk
(Solid State Disk, SSD)) etc..
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.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory, random access memory, magnetic or disk etc. are each
Kind can store the medium of program code.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (29)
1. a kind of communication means characterized by comprising
Determine that the first random access parameter, first random access parameter include that the repetition of random access procedure message three is sent
Number and/or the first contraction-expansion factor, first contraction-expansion factor are the corresponding transmission block of the random access procedure message three
Contraction-expansion factor；
According to first random access parameter, the random access procedure message three is sent to the network equipment.
2. the method according to claim 1, wherein the method also includes:
Receive the random access procedure message two that the network equipment is sent, the random access procedure message two include second with
Machine access parameter, second random access parameter include Timing Advance and/or power contorl parameters, and described second connects at random
It is associated with first random access parameter to enter parameter；
Wherein, first random access parameter of determination, comprising:
According to second random access parameter, first random access parameter is determined.
3. the method according to claim 1, wherein the method also includes:
Random access procedure message one, the format of the random access procedure message one and described the are sent to the network equipment
One random access parameter is associated；
Wherein, first random access parameter of determination, comprising:
According to the format of the random access procedure message one, first random access parameter is determined.
4. the method according to claim 1, wherein the method also includes:
Receive the random access procedure message two that the network equipment is sent；
Wherein, first random access parameter of determination, comprising:
According to the second contraction-expansion factor, determine that first contraction-expansion factor, second contraction-expansion factor are the random access procedure
The contraction-expansion factor of the corresponding transmission block of message two.
5. according to the method described in claim 4, it is characterized in that, first contraction-expansion factor is less than or equal to described second
Contraction-expansion factor.
6. the method according to any one of claims 1 to 5, which is characterized in that the method also includes:
It determines K times and repeats the time-domain position sent and hybrid automatic repeat-request HARQ re-transmission period, K is that the repetition is sent
Number, K are the positive integer more than or equal to 1, wherein less than one time HARQ re-transmission period of time that the K repetition is sent.
7. according to the method described in claim 6, it is characterized in that, the method also includes:
The first instruction information that the network equipment is sent is received, the first instruction information is used to indicate described K times and repeats to send out
Deviant of the time-domain position sent in the HARQ period.
8. method according to claim 6 or 7, which is characterized in that it includes described that described K times, which repeats the time-domain position sent,
The time slot position sent every time in K repetition transmission, the method also includes:
In the time slot position sent every time, the character position sent every time is determined.
9. the method according to any one of claim 6 to 8, which is characterized in that repeat n-th in transmission at described K times
It repeats the time-domain position sent and conflicts with the time-domain position for receiving downlink signal or high priority signals, alternatively, the n-th
The time-domain position for repeating transmission is not enough used as with the time interval for receiving previous downlink signal or high priority signals to be protected
In the case where interval, N is the positive integer more than or equal to 1 and less than or equal to K, the method also includes:
The n-th is skipped to repeat to send.
10. a kind of communication means characterized by comprising
Determine that the first random access parameter, first random access parameter include that the repetition of random access procedure message three is sent
Number and/or the first contraction-expansion factor, first contraction-expansion factor are the corresponding transmission block of the random access procedure message three
Contraction-expansion factor；
Receiving terminal apparatus sends the random access procedure message three according to first random access parameter.
11. according to the method described in claim 10, it is characterized in that, the method also includes:
The random access procedure message one that receiving terminal apparatus is sent；
According to the random access procedure message one, determine that the second random access parameter, second random access parameter include
Timing Advance and/or power contorl parameters, second random access parameter are associated with first random access parameter；
Wherein, first random access parameter of determination, comprising:
According to second random access parameter, first random access parameter is determined.
12. according to the method described in claim 10, it is characterized in that, the method also includes:
The random access procedure message one that receiving terminal apparatus is sent, the format of the random access procedure message one and described the
One random access parameter is associated；
Wherein, first random access parameter of determination, comprising:
According to the format of the random access procedure message one, first random access parameter is determined.
13. according to the method described in claim 10, it is characterized in that, the method also includes:
The random access procedure message one that receiving terminal apparatus is sent；
According to the random access procedure message one, determine that the second contraction-expansion factor, second contraction-expansion factor are random access mistake
The contraction-expansion factor of the corresponding transmission block of journey message two；
Wherein, first random access parameter of determination, comprising:
According to second contraction-expansion factor, first contraction-expansion factor is determined.
14. according to the method for claim 13, which is characterized in that first contraction-expansion factor is less than or equal to described the
Two contraction-expansion factors.
15. a kind of communication device, which is characterized in that including processing module and transceiver module, wherein
For the processing module for determining the first random access parameter, first random access parameter includes random access procedure
The repetition transmission times and/or the first contraction-expansion factor of message three, first contraction-expansion factor are the random access procedure message
The contraction-expansion factor of three corresponding transmission blocks；
The processing module is also used to control the transceiver module according to first random access parameter and send to the network equipment
The random access procedure message three.
16. communication device according to claim 15, which is characterized in that the transceiver module is also used to receive the network
The random access procedure message two that equipment is sent, the random access procedure message two includes the second random access parameter, described
Second random access parameter includes Timing Advance and/or power contorl parameters, second random access parameter and described the
One random access parameter is associated；
Wherein, the processing module is specifically used for:
According to second random access parameter, first random access parameter is determined.
17. communication device according to claim 15, which is characterized in that the transceiver module is also used to set to the network
Preparation send random access procedure message one, the format of the random access procedure message one and the first random access parameter phase
Association；
Wherein, the processing module is specifically used for:
According to the format of the random access procedure message one, first random access parameter is determined.
18. communication device according to claim 15, which is characterized in that the transceiver module is also used to receive the network
The random access procedure message two that equipment is sent；
Wherein, the processing module is specifically used for:
According to the second contraction-expansion factor, determine that first contraction-expansion factor, second contraction-expansion factor are the random access procedure
The contraction-expansion factor of the corresponding transmission block of message two.
19. communication device according to claim 18, which is characterized in that first contraction-expansion factor is less than or equal to institute
State the second contraction-expansion factor.
20. communication device described in any one of 5 to 19 according to claim 1, which is characterized in that the processing module is also used to
It determines K times and repeats the time-domain position sent and hybrid automatic repeat-request HARQ re-transmission period, K is time for repeating to send
Number, K are the positive integer more than or equal to 1, wherein less than one time HARQ re-transmission period of time that the K repetition is sent.
21. communication device according to claim 20, which is characterized in that the transceiver module is also used to receive the network
The first instruction information that equipment is sent, the first instruction information are used to indicate described K times and repeat the time-domain position of transmission in institute
State the deviant in the HARQ period.
22. the communication device according to claim 20 or 21, which is characterized in that the time-domain position that the K repetition is sent
Including repeating the time slot position that sends every time in sending for described K times, the processing module be also used to it is described send every time when
In gap position, the character position sent every time is determined.
23. the communication device according to any one of claim 20 to 22, which is characterized in that repeat to send at described K times
Middle n-th repeats the time-domain position sent and conflicts with the time-domain position for receiving downlink signal or high priority signals, alternatively, institute
The time interval for stating time-domain position and the previous downlink signal of reception that n-th repetition is sent or high priority signals is not enough made
In the case where protection interval, N is the positive integer more than or equal to 1 and less than or equal to K, and the processing module is also used to control described
Transceiver module skips the n-th and repeats to send.
24. a kind of communication device, which is characterized in that including processing module and transceiver module, wherein
For the processing module for determining the first random access parameter, first random access parameter includes random access procedure
The repetition transmission times and/or the first contraction-expansion factor of message three, first contraction-expansion factor are the random access procedure message
The contraction-expansion factor of three corresponding transmission blocks；
The transceiver module sends the random access procedure according to first random access parameter for receiving terminal apparatus
Message three.
25. communication device according to claim 24, which is characterized in that the transceiver module is also used to receiving terminal apparatus
The random access procedure message one of transmission；
The processing module is also used to according to the random access procedure message one, determines the second random access parameter, and described
Two random access parameters include Timing Advance and/or power contorl parameters, second random access parameter and described first
Random access parameter is associated；
Wherein, the processing module is specifically used for:
According to second random access parameter, first random access parameter is determined.
26. communication device according to claim 24, which is characterized in that the transceiver module is also used to receiving terminal apparatus
The random access procedure message one of transmission, the format of the random access procedure message one and the first random access parameter phase
Association；
Wherein, the processing module is specifically used for:
According to the format of the random access procedure message one, first random access parameter is determined.
27. communication device according to claim 24, which is characterized in that the transceiver module is also used to receiving terminal apparatus
The random access procedure message one of transmission；
The processing module is also used to determine the second contraction-expansion factor according to the random access procedure message one, and described second stretches
The contracting factor is the contraction-expansion factor of the corresponding transmission block of random access procedure message two；
Wherein, the processing module is specifically used for:
According to second contraction-expansion factor, first contraction-expansion factor is determined.
28. communication device according to claim 27, which is characterized in that first contraction-expansion factor is less than or equal to institute
State the second contraction-expansion factor.
29. a kind of storage medium, which is characterized in that including program, when described program is run by processor, such as claim 1-
Method described in any one of 14 is performed.
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