CN109698737B - Planning method and device for random access channel - Google Patents
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Abstract
The embodiment of the invention provides a planning method and a planning device for a random access channel. The method comprises the following steps: determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length; and determining a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameter of each lead code format of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of each lead code format corresponding to the random access channel to be planned. The device is used for executing the method. The method and the device provided by the embodiment of the invention reduce the transmission delay of the random access channel.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a planning method and a planning device for a random access channel.
Background
With the continuous development of mobile internet and internet of things technologies, the 5G technology puts higher demands on the development of the 5G technology according to the increasing demands, and the requirements on communication technical indexes are more severe in the aspects of service scheduling flexibility, scheduling delay, average throughput of users and the like, and especially, the research on scheduling delay, which is one of important indexes affecting the performance of the 5G network, is receiving more and more attention.
The 5G network technology is directed at typical Ultra-reliable and Low-Latency Communications (URLLC) scenarios such as the internet of vehicles, has a very high requirement for Latency, needs to further reduce transmission Latency, and redesigns factors affecting Latency such as scheduling granularity, round trip delay (RTT), and transmission Latency, for example, 7-symbol time length is used as a scheduling granularity, whereas in the existing 4G network technology, a random access channel is designed for a frame structure based on 14-symbol scheduling granularity, and is not applicable to a frame structure based on 7-symbol scheduling granularity, so that a random access channel corresponding to a frame structure based on 7-symbol scheduling granularity in a 5G network needs to be replanned to meet the purpose of reducing transmission Latency.
Therefore, there is a need in the art to provide a method and apparatus for planning a random access channel to reduce the transmission delay problem/requirement.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention provides a planning method and a planning device for a random access channel.
In one aspect, an embodiment of the present invention provides a method for planning a random access channel, including:
determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as scheduling granularity;
calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length;
and generating a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameters of the preamble formats of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of the preamble formats corresponding to the random access channel to be planned.
In another aspect, an embodiment of the present invention provides an apparatus, including a first computing unit, a second computing unit, and a processing unit, where:
the first calculating unit is used for determining a second subcarrier interval corresponding to the random access channel to be planned according to a preset subcarrier interval configuration parameter and the first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with the first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with the second time length as scheduling granularity;
a second calculating unit, configured to calculate a configuration ratio parameter according to the first subcarrier interval, the first time length, the second subcarrier interval, and the second time length;
a processing unit, configured to generate a target configuration parameter list corresponding to the random access channel to be planned according to the configuration ratio parameter and the configuration parameters of each preamble format of the random access channel corresponding to the first frame structure, where the target configuration parameter list includes the configuration parameters of each preamble format corresponding to the random access channel to be planned.
In another aspect, an embodiment of the present invention provides an electronic device, including a processor, a memory, and a bus, where:
the processor and the memory complete mutual communication through a bus;
the processor may invoke a computer program in memory to perform the steps of the above-described method.
In yet another aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the steps of the above-mentioned method.
According to the planning method and the planning device of the random access channel, provided by the embodiment of the invention, the configuration proportion parameter is calculated according to the preset subcarrier interval configuration parameter and the second subcarrier interval corresponding to the random access channel to be planned, which is determined by the first subcarrier interval, the first time length and the second time length, and the target configuration parameter list corresponding to the random access channel to be planned is generated according to the configuration proportion parameter and the configuration parameters of each lead code format of the random access channel corresponding to the first frame structure, so that the transmission delay of the random access channel is reduced.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic flowchart of a method for planning a random access channel according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a physical layer structure of a random access channel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a random access channel planning apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an entity apparatus of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic flow chart of a method for planning a random access channel according to an embodiment of the present invention, and as shown in fig. 1, the embodiment provides a method for planning a random access channel, including:
s101, determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as scheduling granularity;
specifically, the planning device for the random access channel calculates a second subcarrier interval corresponding to the random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval of the random access channel corresponding to a first frame structure with a first time length as a scheduling granularity, wherein the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as a scheduling granularity; it should be noted that the second length of time is less than the first length of time. For example, the first frame structure may be a frame structure with a 14-symbol time length as a scheduling granularity, which is adopted in an existing 4G network system, the second frame structure may be a frame structure with a 7-symbol time length as a scheduling granularity, which is adopted in a 5G network system, and the first frame structure and the second frame structure may also be frame structures with other scheduling granularities, which are adopted in other types of networks, and may be specifically set and adjusted according to actual situations, which is not specifically limited herein.
S102, calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length;
specifically, the apparatus calculates a first proportional parameter according to the first subcarrier interval and the second subcarrier interval, calculates a second proportional parameter according to the first time length and the second time length, and calculates a configuration proportional parameter of the random access channel to be planned according to the first proportional parameter and the second proportional parameter.
S103, generating a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameters of the lead code formats of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of the lead code formats corresponding to the random access channel to be planned;
specifically, the device determines configuration parameters of each preamble format corresponding to the random access channel to be planned according to the configuration ratio parameter and configuration parameters of each preamble format of the random access channel corresponding to the first frame structure, and generates a target configuration parameter list. The physical layer structure of the random access channel is shown in fig. 2, and the configuration parameter of each preamble format includes a cyclic prefix length (T)CP) Sequence length (T)SEQ) Length of guard time (T)GT) The setting and adjustment can be specifically performed according to actual situations, and are not specifically limited herein.
According to the planning method of the random access channel provided by the embodiment of the invention, the configuration proportion parameter is calculated according to the preset subcarrier interval configuration parameter and the second subcarrier interval corresponding to the random access channel to be planned, which is determined by the first subcarrier interval, the first time length and the second time length, and the target configuration parameter list corresponding to the random access channel to be planned is generated according to the configuration proportion parameter and the configuration parameters of each lead code format of the random access channel corresponding to the first frame structure, so that the transmission delay of the random access channel is reduced.
On the basis of the above embodiment, further, the method further includes:
and determining a target configuration parameter according to the selected lead code format and the target configuration parameter list, and planning a random access channel corresponding to the first frame structure according to the target configuration parameter.
Specifically, the apparatus may select a preamble format according to information of the preamble format carried in a service request message sent by a user terminal or according to a channel quality condition, search the target configuration parameter list according to the selected preamble format, determine a configuration parameter corresponding to the selected preamble format as the target configuration parameter, and plan a random access channel corresponding to the first frame structure according to the target configuration parameter; of course, the device may be set and adjusted according to other specific situations, and is not limited specifically herein.
On the basis of the foregoing embodiment, further, the determining, according to the preset subcarrier interval configuration parameter and the first subcarrier interval, a second subcarrier interval corresponding to a random access channel to be planned includes:
according to the formula:
calculating a second subcarrier interval corresponding to the random access channel to be planned; wherein,
for the second subcarrier interval corresponding to the random access channel to be planned, mu is a preset subcarrier interval configuration parameter, delta f1 RAIs the first subcarrier spacing.
Specifically, μ is a preset subcarrier spacing configuration parameter, due to the system subcarrier spacing f corresponding to the first frame structure1With the systematic sub-carrier f of the second frame structure2The relationship between f2＝2μ×f1And, the system subcarrier f and the subcarrier interval Δ f corresponding to the random access channelRAHas a relationship of Δ fRAF/12, i.e.
Thus, the method can obtain the product,
thus, the device is based on the formula:
calculating a second subcarrier interval corresponding to the random access channel to be planned; wherein,
a second subcarrier spacing, Δ f, corresponding to the random access channel to be planned1 RAIs the first subcarrier spacing.
For example, the system subcarrier spacing of a 4G network system is f115kHZ, with a subcarrier spacing of Δ f corresponding to the random access channel1 RA＝f1Where 15/12 is 1.25kHZ, and the preset subcarrier spacing configuration parameter μ is 2, the system subcarrier spacing of the 5G network system is f2＝2μ×f1＝22×15kHZ＝60kHZ，
That is to say
On the basis of the foregoing embodiment, further, the calculating a configuration ratio parameter according to the first subcarrier interval, the first time length, the second subcarrier interval, and the second time length includes:
calculating a first scale parameter according to the first subcarrier spacing and the second subcarrier spacing;
calculating a second proportion parameter according to the first time length and the second time length;
and calculating the configuration proportion parameter according to the first proportion parameter and the second proportion parameter.
Specifically, the apparatus calculates a first proportional parameter according to the first subcarrier interval and the second subcarrier interval, calculates a second proportional parameter according to the first time length and the second time length, and multiplies the first proportional parameter and the second proportional parameter to obtain the configured proportional parameter.
On the basis of the foregoing embodiment, further, the calculating a first scaling parameter according to the first subcarrier spacing and the second subcarrier spacing includes:
according to the formula:
calculating the first proportional parameter; wherein k is1In order to be said first scale parameter,
for the first sub-carrier spacing to be,
spacing the second subcarrier;
correspondingly, the calculating a second proportional parameter according to the first time length and the second time length includes:
according to the formula:
calculating the second proportional parameter; wherein k is2Is said second proportional parameter, T1Is said first time length, T2The second time length;
correspondingly, the calculating the configuration proportion parameter according to the first proportion parameter and the second proportion parameter includes:
according to the formula: k ═ K1×k2And calculating the configuration proportion parameter, wherein the K is the configuration proportion parameter.
Specifically, the apparatus is configured to:
calculating the first proportional parameter; wherein k is1In order to be said first scale parameter,
for the first sub-carrier spacing to be,
spacing the second subcarrier; according to the formula:
calculating the second proportional parameter; wherein k is2Is said second proportional parameter, T1Is said first time length, T2The second time length; according to the formula: k ═ K1×k2And calculating the configuration proportion parameter, wherein the K is the configuration proportion parameter.
For example, the first frame structure is a frame structure with a 14-symbol time length as a scheduling granularity adopted in an existing 4G network system, the second frame structure may be a frame structure with a 7-symbol time length as a scheduling granularity adopted in a 5G network system, and a system subcarrier interval of the 4G network system is f115kHZ, with a subcarrier spacing of Δ f corresponding to the random access channel1 RA＝f1Where 15/12 is 1.25kHZ, and the preset subcarrier spacing configuration parameter μ is 2, the system subcarrier spacing of the 5G network system is f2＝2μ×f1＝22×15kHZ＝60kHZ，
Then the first scale parameter is
The first time length corresponding to the 4G network system is T1The second time length corresponding to the 5G network system is T when the symbol is 142The second scaling parameter is then 7 symbols
The configuration ratio parameter is
The device multiplies the configuration parameters of each lead code format of the random access channel of the 4G network system by the configuration proportion parameters respectively to obtain the configuration parameters of each lead code format of the 5G network system, and generates a number configuration parameter list. Specifically, the time domain is represented by Ts＝1/(15000×2048) The configuration parameters of each preamble format of the random access channel of the 4G network system are shown in table 1, the configuration parameters of each preamble format of the random access channel of the 5G network system are shown in table 2, and the cyclic prefix length (T) corresponding to each preamble format of the random access channel of the 5G network system is shown in table 2CP) Sequence length (T)SEQ) Length of guard time (T)GT) Each of which is in a preamble format of a random access channel of the 4G network system
The requirement of reducing the transmission delay is met.
TABLE 1
| Preamble format | Cyclic prefix length TCP | Sequence length TSEQ | Guard time length TGT |
| 0 | 3168Ts | 24576Ts | 2976Ts |
| 1 | 21024Ts | 24576Ts | 15840Ts |
| 2 | 6240Ts | 2·24576Ts | 6048Ts |
| 3 | 21024Ts | 2·24576Ts | 21984Ts |
TABLE 2
| Preamble format | Cyclic prefix length TCP | Sequence length TSEQ | Guard time length TGT |
| 0 | 396Ts | 3072Ts | 372Ts |
| 1 | 2628Ts | 3072Ts | 1980Ts |
| 2 | 780Ts | 2·3072Ts | 756Ts |
| 3 | 2628Ts | 2·3072Ts | 2748Ts |
In the above embodiments, the first time length is 14 symbols, and the second time length is 7 symbols.
In the foregoing embodiments, the configuration parameters of each preamble format include a cyclic prefix length, a sequence length, and a guard time length.
According to the planning method of the random access channel provided by the embodiment of the invention, the configuration proportion parameter is calculated according to the preset subcarrier interval configuration parameter and the second subcarrier interval corresponding to the random access channel to be planned, which is determined by the first subcarrier interval, the first time length and the second time length, and the target configuration parameter list corresponding to the random access channel to be planned is generated according to the configuration proportion parameter and the configuration parameters of each lead code format of the random access channel corresponding to the first frame structure, so that the transmission delay of the random access channel is reduced.
Fig. 3 is a schematic structural diagram of a random access channel planning apparatus according to an embodiment of the present invention, and as shown in fig. 3, the embodiment of the present invention provides a random access channel planning apparatus, including: a first calculation unit 201, a second calculation unit 202 and a processing unit 203, wherein:
the first calculating unit 201 is configured to determine a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as scheduling granularity; the second calculating unit 202 is configured to calculate a configuration ratio parameter according to the first subcarrier interval, the first time length, the second subcarrier interval, and the second time length; the processing unit 203 is configured to generate a target configuration parameter list corresponding to the random access channel to be planned according to the configuration ratio parameter and the configuration parameters of each preamble format of the random access channel corresponding to the first frame structure, where the target configuration parameter list includes the configuration parameters of each preamble format corresponding to the random access channel to be planned.
Optionally, the processing unit 203 may be configured to determine a target configuration parameter according to the selected preamble format and the target configuration parameter list, and perform planning processing on the random access channel corresponding to the first frame structure according to the target configuration parameter.
Optionally, the first calculating unit 201 is specifically configured to:
calculating a second subcarrier interval corresponding to the random access channel to be planned; wherein,
mu is a preset subcarrier interval configuration parameter, delta f, of a second subcarrier interval corresponding to the random access channel to be planned1 RAThe first subcarrier spacing.
Optionally, the second calculating unit 202 is specifically configured to calculate a first proportional parameter according to the first subcarrier spacing and the second subcarrier spacing; calculating a second proportion parameter according to the first time length and the second time length; and calculating the configuration proportion parameter according to the first proportion parameter and the second proportion parameter.
Optionally, the second computing unit 202 is specifically configured forAccording to the formula:
calculating the first proportional parameter; wherein k is1In order to be said first scale parameter,
for the first sub-carrier spacing to be,
spacing the second subcarrier; according to the formula:
calculating the second proportional parameter; wherein k is2Is said second proportional parameter, T1Is said first time length, T2The second time length; according to the formula: k ═ K1×k2And calculating the configuration proportion parameter, wherein the K is the configuration proportion parameter.
Optionally, the first time length is 14 symbols, and the second time length is 7 symbols.
Optionally, the configuration parameters of each preamble format include a cyclic prefix length, a sequence length, and a guard time length.
According to the planning device of the random access channel provided by the embodiment of the invention, the configuration proportion parameter is calculated according to the preset subcarrier interval configuration parameter and the second subcarrier interval corresponding to the random access channel to be planned, which is determined by the first subcarrier interval, the first time length and the second time length, and the target configuration parameter list corresponding to the random access channel to be planned is generated according to the configuration proportion parameter and the configuration parameters of each lead code format of the random access channel corresponding to the first frame structure, so that the transmission delay of the random access channel is reduced.
The embodiment of the apparatus provided in the present invention may be specifically configured to execute the processing flows of the above method embodiments, and the functions of the apparatus are not described herein again, and refer to the detailed description of the above method embodiments.
Fig. 4 is a schematic structural diagram of an entity apparatus of an electronic device according to an embodiment of the present invention, and as shown in fig. 4, the electronic device may include: a processor (processor)301, a memory (memory)302 and a bus 303, wherein the processor 301 and the memory 302 communicate with each other via the bus 303. The processor 301 may call the computer program in the memory 302 to perform the methods provided by the method embodiments described above, including for example: determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as scheduling granularity; calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length; and generating a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameters of the preamble formats of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of the preamble formats corresponding to the random access channel to be planned.
An embodiment of the present invention discloses a computer program product, which includes a computer program stored on a non-transitory computer readable storage medium, the computer program including program instructions, when the program instructions are executed by a computer, the computer can execute the methods provided by the above method embodiments, for example, the method includes: determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as scheduling granularity; calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length; and generating a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameters of the preamble formats of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of the preamble formats corresponding to the random access channel to be planned.
An embodiment of the present invention provides a non-transitory computer-readable storage medium, where the non-transitory computer-readable storage medium stores a computer program, where the computer program causes the computer to execute the method provided by the foregoing method embodiments, for example, the method includes: determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as scheduling granularity, and the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as scheduling granularity; calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length; and generating a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameters of the preamble formats of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of the preamble formats corresponding to the random access channel to be planned.
Furthermore, the logic instructions in the memory 302 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A method for planning a random access channel, comprising:
determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as a scheduling granularity, the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as the scheduling granularity, the first time length is 14 symbols, and the second time length is 7 symbols;
calculating a configuration proportion parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length;
generating a target configuration parameter list corresponding to the random access channel to be planned according to the configuration proportion parameter and the configuration parameters of the lead code formats of the random access channel corresponding to the first frame structure, wherein the target configuration parameter list comprises the configuration parameters of the lead code formats corresponding to the random access channel to be planned;
the calculating a configuration ratio parameter according to the first subcarrier interval, the first time length, the second subcarrier interval and the second time length includes:
calculating a first scale parameter according to the first subcarrier spacing and the second subcarrier spacing;
calculating a second proportion parameter according to the first time length and the second time length;
and calculating the configuration proportion parameter according to the first proportion parameter and the second proportion parameter.
2. The method of claim 1, further comprising:
and determining a target configuration parameter according to the selected lead code format and the target configuration parameter list, and planning a random access channel corresponding to the first frame structure according to the target configuration parameter.
3. The method of claim 1, wherein the determining a second subcarrier interval corresponding to a random access channel to be planned according to a preset subcarrier interval configuration parameter and a first subcarrier interval comprises:
according to the formula:
calculating a second subcarrier interval corresponding to the random access channel to be planned; wherein,
for the second subcarrier interval corresponding to the random access channel to be planned, mu is a preset subcarrier interval configuration parameter, delta f1 RAIs the first subcarrier spacing.
4. The method of claim 1, wherein calculating a first scaling parameter based on the first subcarrier spacing and the second subcarrier spacing comprises:
according to the formula:
calculating the first proportional parameter; wherein k is1In order to be said first scale parameter,
for the first sub-carrier spacing to be,
spacing the second subcarrier;
correspondingly, the calculating a second proportional parameter according to the first time length and the second time length includes:
according to the formula:
calculating the second proportional parameter; wherein k is2Is said second proportional parameter, T1Is said first time length, T2The second time length;
correspondingly, the calculating the configuration proportion parameter according to the first proportion parameter and the second proportion parameter includes:
according to the formula: k ═ K1×k2And calculating the configuration proportion parameter, wherein the K is the configuration proportion parameter.
5. The method according to any of claims 1-4, wherein the configuration parameters of each preamble format comprise a cyclic prefix length, a sequence length, and a guard time length.
6. A planning device for a random access channel comprises a first computing unit, a second computing unit and a processing unit, wherein:
the first calculating unit is used for determining a second subcarrier interval corresponding to the random access channel to be planned according to a preset subcarrier interval configuration parameter and the first subcarrier interval; the first subcarrier interval is a subcarrier interval of a random access channel corresponding to a first frame structure with a first time length as a scheduling granularity, the random access channel to be planned is a random access channel corresponding to a second frame structure with a second time length as the scheduling granularity, the first time length is 14 symbols, and the second time length is 7 symbols;
a second calculating unit, configured to calculate a configuration ratio parameter according to the first subcarrier interval, the first time length, the second subcarrier interval, and the second time length;
a processing unit, configured to generate a target configuration parameter list corresponding to the random access channel to be planned according to the configuration ratio parameter and configuration parameters of each preamble format of a random access channel corresponding to the first frame structure, where the target configuration parameter list includes configuration parameters of each preamble format corresponding to the random access channel to be planned;
the second calculating unit 202 is specifically configured to calculate a first scale parameter according to the first subcarrier spacing and the second subcarrier spacing; calculating a second proportion parameter according to the first time length and the second time length; and calculating the configuration proportion parameter according to the first proportion parameter and the second proportion parameter.
7. An electronic device comprising a processor, a memory, and a bus, wherein:
the processor and the memory complete mutual communication through a bus;
the processor may invoke a computer program in memory to perform the steps of the method of any of claims 1-5.
8. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 5.
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