WO2019056815A1 - 资源块组的划分方法和用户终端 - Google Patents

资源块组的划分方法和用户终端 Download PDF

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Publication number
WO2019056815A1
WO2019056815A1 PCT/CN2018/091553 CN2018091553W WO2019056815A1 WO 2019056815 A1 WO2019056815 A1 WO 2019056815A1 CN 2018091553 W CN2018091553 W CN 2018091553W WO 2019056815 A1 WO2019056815 A1 WO 2019056815A1
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WIPO (PCT)
Prior art keywords
rbg
bwp
rbs
determining
rbgs
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PCT/CN2018/091553
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English (en)
French (fr)
Inventor
邢艳萍
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电信科学技术研究院有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 电信科学技术研究院有限公司 filed Critical 电信科学技术研究院有限公司
Priority to EP18858811.5A priority Critical patent/EP3687243B1/en
Priority to JP2020516689A priority patent/JP7171710B2/ja
Priority to KR1020207008863A priority patent/KR102322814B1/ko
Priority to EP23179938.8A priority patent/EP4236553A3/en
Priority to US16/646,394 priority patent/US11411706B2/en
Publication of WO2019056815A1 publication Critical patent/WO2019056815A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0092Indication of how the channel is divided
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • H04L5/0039Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0064Rate requirement of the data, e.g. scalable bandwidth, data priority
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signaling for the administration of the divided path
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/53Allocation or scheduling criteria for wireless resources based on regulatory allocation policies

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method for dividing a Resource Block Group (RBG) and a user terminal.
  • RBG Resource Block Group
  • RBG-based resource allocation is supported in the downlink of the communication system, where RBG refers to a group of continuously distributed resource blocks (RBs), and RBG size can be represented by P, where P is determined by downlink system bandwidth. determine. E.g: When it is less than or equal to 10, P is equal to 1, When it is greater than or equal to 11, and less than or equal to 26, P is equal to 2 or the like. Overall downlink system bandwidth The corresponding number of RBGs is among them, Rounded up, and the RBG numbers are numbered in order of decreasing frequency to high and RBG size not increasing.
  • BWP Bandwidth Width Part
  • PRB physical resource block
  • RBG #1 of the user terminal 2 cannot be used, and since the boundary of the RBG #1 of the user terminal 2 is not aligned with the boundary of the RBG #3 of the user terminal 3, the partial RB cannot be allocated by the RBG-based mechanism. It can be seen that the division of RBG in the related technology will result in relatively low resource reuse efficiency.
  • the embodiment of the present disclosure provides a method for dividing an RBG and a user terminal, so as to solve the problem that the resource multiplexing efficiency is relatively low.
  • An embodiment of the present disclosure provides a method for dividing an RBG, including:
  • the first RBG is the first RBG on the low frequency side of the BWP;
  • the first RBG is the first RBG on the high frequency side of the BWP;
  • the RBs included in the other RBGs in the BWP are determined according to the pre-acquired RBG size and the frequency is high to low.
  • the determining, by the first RBG of the BWP, the RB includes:
  • the notification message includes:
  • a starting position of the first RBG an ending position of the first RBG, a number of RBs included in the first RBG, or a starting position of a second RBG of the BWP.
  • the determining, according to the notification message sent by the network side, the RB included in the first RBG of the BWP including:
  • the notification message includes a start position of the first RBG
  • the RBs belonging to the BWP from the P RBs starting from the start position of the first RBG are included as the first RBG.
  • the notification message includes an end position of the first RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the end of the at least one RB Position is the end position of the first RBG;
  • the notification message includes the number of RBs included in the first RBG
  • at least one RB starting from the first RB of the BWP is used as the RB included in the first RBG, where the at least one The number of RBs of the RB is the number of RBs included in the first RBG;
  • the notification message includes a start location of the second RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the at least one RB The end position is the previous RB of the start position of the second RBG.
  • the determining, according to the offset of the first RB of the BWP and the first RB of the carrier bandwidth, determining the RB included in the first RBG of the BWP includes:
  • T RBs of the BWP as the RBs included in the first RBG, wherein the T is equal to P-(S mod P), wherein the P is the RBG size, and the S is the offset
  • the mod is a remainder function.
  • the determining, by the T RBs of the BWP, the RBs included in the first RBG includes:
  • T RBs starting from the first RB of the BWP are used as RBs included in the first RBG.
  • the embodiment of the present disclosure further provides a user terminal, including:
  • a first determining module configured to determine a resource block RB included in a first RBG of the BWP
  • the second determining module is configured to determine, according to the pre-acquired RBG size, the RBs included in the other RBGs in the BWP, where the other RBGs are RBGs in the BWP except the first RBG.
  • the first determining module is configured to determine, according to the notification message sent by the network side, the RB included in the first RBG of the BWP; or
  • the first determining module is configured to determine, according to an offset of a first RB of the BWP and a first RB of a carrier bandwidth, an RB included in a first RBG of the BWP.
  • the notification message includes:
  • a starting position of the first RBG an ending position of the first RBG, a number of RBs included in the first RBG, or a starting position of a second RBG of the BWP.
  • the first determining module is configured to determine T RBs of the BWP as the RBs included in the first RBG, where the T is equal to P-(S mod P), where the P is The RBG size, the S is the offset, and the mod is a remainder function.
  • An embodiment of the present disclosure further provides a user terminal, including: a memory, a processor, and a computer program stored on the memory and operable on the processor, wherein
  • the processor is configured to read a program in the memory and perform the following process:
  • the first RBG is the first RBG on the low frequency side of the BWP;
  • Determining, by the processor, the RBs included in the other RBGs in the BWP according to the pre-acquired RBG size including:
  • the first RBG is the first RBG on the high frequency side of the BWP;
  • Determining, by the processor, the RBs included in the other RBGs in the BWP according to the pre-acquired RBG size including:
  • the RBs included in the other RBGs in the BWP are determined according to the pre-acquired RBG size and the frequency is high to low.
  • the determining, by the processor, the RB included in the first RBG of the BWP includes:
  • the notification message includes:
  • a starting position of the first RBG an ending position of the first RBG, a number of RBs included in the first RBG, or a starting position of a second RBG of the BWP.
  • determining, by the processor, the RB included in the first RBG of the BWP according to the notification message sent by the network side including:
  • the notification message includes a start position of the first RBG
  • the RBs belonging to the BWP from the P RBs starting from the start position of the first RBG are included as the first RBG.
  • the notification message includes an end position of the first RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the end of the at least one RB Position is the end position of the first RBG;
  • the notification message includes the number of RBs included in the first RBG
  • at least one RB starting from the first RB of the BWP is used as the RB included in the first RBG, where the at least one The number of RBs of the RB is the number of RBs included in the first RBG;
  • the notification message includes a start location of the second RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the at least one RB The end position is the previous RB of the start position of the second RBG.
  • T RBs of the BWP as the RBs included in the first RBG, wherein the T is equal to P-(S mod P), wherein the P is the RBG size, and the S is the offset
  • the mod is a remainder function.
  • determining, by the processor, T RBs of the BWP as the RBs included in the first RBG includes:
  • T RBs starting from the first RB of the BWP are used as RBs included in the first RBG.
  • the embodiment of the present disclosure further provides a computer readable storage medium having stored thereon a computer program, wherein the program is executed by the processor to implement the steps in the method for dividing the RBG provided by the embodiment of the present disclosure.
  • the RBs included in the first RBG of the BWP are determined; the RBs included in the other RBGs in the BWP are determined according to the RBG size obtained in advance, where the P is an RBG size, and the other RBGs are An RBG other than the first RBG in the BWP. Since the RBs included in the first RBG are determined first, the other RBGs are further divided according to the RBG size, so that all the RBGs are divided according to the RBG size according to the related technology, which can reduce the RBG division mismatch of different user terminals, or avoid different The RBG division of the user terminal does not match, thereby improving resource utilization efficiency.
  • FIG. 1 is a schematic diagram of an RBG division manner according to the related art
  • FIG. 2 is a schematic structural diagram of a network applicable to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a method for dividing an RBG according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of an RBG division according to an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of another RBG division according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic diagram of another RBG division according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic diagram of an offset of an RB according to an embodiment of the present disclosure.
  • FIG. 8 is a structural diagram of a user terminal according to an embodiment of the present disclosure.
  • FIG. 9 is a structural diagram of another user terminal according to an embodiment of the present disclosure.
  • FIG. 2 is a schematic diagram of a network structure applicable to an embodiment of the present disclosure.
  • a user equipment (UE) 21 and a network side device 22 are included.
  • the user terminal 21 may be a mobile phone or a tablet.
  • Terminal-side devices such as Tablet Personal Computer, Laptop Computer, Personal Digital Assistant (PDA), Mobile Internet Device (MID), or Wearable Device It should be noted that the specific type of the user terminal 21 is not limited in the embodiment of the present disclosure.
  • the network side device 22 may be a base station, for example, a macro station, an LTE eNB, a 5G NR NB, etc.; the network side device 22 may also be a small station, such as a low power node (LPN) pico, a femto, etc., or The network side device 22 may be an access point (AP); the base station may also be a network node formed by a central unit (CU) and a plurality of transmission reception points (TRPs) managed and controlled by the central unit (CU). . It should be noted that the specific type of the network side device 22 is not limited in the embodiment of the present disclosure.
  • FIG. 3 is a flowchart of a method for dividing an RBG according to an embodiment of the present disclosure. As shown in FIG. 3, the method includes the following steps:
  • the first RBG of the BWP may be the first RBG on one side of the BWP, for example, the first RBG on the low frequency side or the first RBG on the high frequency side, wherein the first RBG on the low frequency side can be understood.
  • the first RBG whose frequency is from low to high in the BWP, that is, the RB included in the RBG is the lowest frequency RB in the BWP; and the first RBG on the high frequency side can be understood as the frequency in the BWP from high to low.
  • the first RBG, that is, the RB included in the RBG is the highest frequency RB in the BWP.
  • the first RB of the BWP is also the first RB on one side, for example, the first RB on the low frequency side or the first RB on the high frequency side, wherein the low frequency side
  • the first RB can be understood as the lowest frequency RB in the BWP
  • the first RB on the high frequency side can be understood as the highest frequency RB in the BWP.
  • the first RB of the carrier bandwidth can be referred to the first RB of the BWP, which is not described here.
  • the RB that is included in the first RBG of the BWP may be determined by the user terminal according to the network side sending the notification message, or the user terminal is determined according to the pre-acquisition determination rule, which is not limited in this embodiment.
  • the number of RBs included in the first RBG may be less than or equal to the RBG size.
  • the foregoing RBG size may be calculated by the user terminal according to the configured bandwidth, or configured on the network side, and the like.
  • the number of RBs of the BWP may be subtracted from the number of RBs of the first RBG, and then divided by P, thereby obtaining RBs included in other RBGs.
  • the RBG size may be represented by P.
  • the number of RBs in the BWP is N
  • the number of RBs in the first RBG is P1
  • the number of RBGs except the first RBG is among them
  • the size of each RBG is P. If (N-P1) mod P>0, the size of one of the RBGs is among them, To round up, To round down, mod is the remainder operation.
  • N 106
  • the RBs included in the first RBG of the BWP may be determined, and the other RBGs are divided according to the RBG size, so that when multiple BBTs of the user terminals overlap, the multiple user terminals are implemented.
  • the RBG division in the BWP is matched, that is, the RBG division of different BWPs in the carrier is matched, thereby improving resource utilization efficiency.
  • the user terminal 2 first determines the RBs included in the first RBG (RBG #0), and the other RBGs (RBG #1 to RBG #6) are divided according to the RBG size, thereby implementing the user terminal 2 and the user.
  • the RBGs of the terminal 3 are matched to improve resource usage efficiency.
  • the first RBG is the first RBG on the low frequency side of the BWP;
  • the first RBG is the first RBG on the high frequency side of the BWP;
  • the RBs included in the other RBGs in the BWP are determined according to the pre-acquired RBG size and the frequency is high to low.
  • This embodiment can flexibly determine the RBs included in the first RBG and the RBs included in the other RBGs, thereby improving the flexibility of dividing the RBGs to adapt to different communication services and communication scenarios, and improving communication performance of the user terminals.
  • the determining, by the first RBG of the BWP, the RB includes:
  • the RB included in the first RBG of the BWP is determined according to the notification message sent by the network side.
  • the foregoing notification message may be used to notify the user terminal that the parameter of the RB included in the first RBG is determined.
  • the RB included in the first RBG may be accurately determined, and the notification message is sent by the network side.
  • the RBG division of the multi-user terminal is matched, because the network side knows the BWP of each user terminal, so that the RBG division after each user terminal is divided by the above notification message is Matching to improve resource usage efficiency.
  • the foregoing notification message includes:
  • a starting position of the first RBG an ending position of the first RBG, a number of RBs included in the first RBG, or a starting position of a second RBG of the BWP.
  • the RBs included in the first RBG can be flexibly determined by the above notification message.
  • the foregoing notification message includes a start position of the first RBG, an end position of the first RBG, a number of RBs included in the first RBG, or a start of a second RBG of the BWP.
  • the location is understood to be that the notification message carries the information, that is, in the embodiment of the disclosure, the notification message includes, but is not limited to, a starting position of the first RBG, an ending position of the first RBG, and the The number of RBs included in the first RBG or the starting position of the second RBG of the BWP.
  • the foregoing notification message may further include other information configured by the network side to the user terminal, and may or may not include, that is, only include the information.
  • the foregoing notification message may be a newly defined message in the embodiment of the present disclosure, or the notification message may also be a message defined in the protocol in the related art, and the embodiment of the present disclosure may add the foregoing to the message in the related art.
  • the starting position of one RBG, the ending position of the first RBG, the number of RBs included in the first RBG, or the starting position of the second RBG of the BWP to reduce transmission overhead.
  • the determining, according to the notification message sent by the network side, the RB included in the first RBG of the BWP may include:
  • the notification message includes a start position of the first RBG
  • the RBs belonging to the BWP from the P RBs starting from the start position of the first RBG are included as the first RBG.
  • the notification message includes an end position of the first RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the end of the at least one RB Position is the end position of the first RBG;
  • the notification message includes the number of RBs included in the first RBG
  • at least one RB starting from the first RB of the BWP is used as the RB included in the first RBG, where the at least one The number of RBs of the RB is the number of RBs included in the first RBG;
  • the notification message includes a start location of the second RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the at least one RB The end position is the previous RB of the start position of the second RBG.
  • the BWP of the user terminal includes N RBs, which are numbered as RB 0 , RB 1 , . . . , RB N-1 according to the frequency from low to high, and the network side notifies the first RBG position on the low frequency side of the user terminal BWP as an example.
  • Method 1 The network side notifies the start position of the first RBG.
  • the network side notifies the starting RB number of the first RBG.
  • Method 2 The network side notifies the end position of the first RBG
  • the network side notifies the end RB number of the first RBG.
  • the network side notifies the size of the first RBG P1, and the RBs included in the first RBG are RB 0 to RB P1 , and the value ranges of P1 are 1, 2, ..., P, and P are RBG sizes.
  • Mode 4 The network side notifies the start position of the second RBG
  • the network side notifies the second RBG starting RB number, e.g., starting RB No. I 'start in the range of 1,2, ..., P, contained in the first RB is a front RBG I' start a RB That contains RB 0 to
  • the RBs included in the first RBG can be flexibly and accurately determined.
  • the determining, by the first RBG of the BWP, the RB includes:
  • the foregoing offset can be understood as the number of RBs in which the first RB of the BWP is separated from the first RB of the carrier bandwidth.
  • the RBs of the BWP of the user terminal are numbered starting from RB0 according to the frequency from low to high, and the BWP is The sequence number of the first RB (RB0) in the carrier bandwidth is RB S , and the first RB of the carrier bandwidth is RB0, and the offset is S as shown in FIG. 7 .
  • the first RB of the BWP and the first RB of the carrier bandwidth refer to the first RB on the same side, for example, the first RB of the BWP and the first RB of the carrier bandwidth are respectively BWP low frequencies.
  • each user terminal determines the RBs included in the first RBG of the BWP according to the respective offsets.
  • the RBG size of each user terminal is often a multiple relationship, for example, RBG.
  • the sizes are equal to 1, 2, 4, 8, and 16, etc., respectively, so that as shown in FIG. 5, the RBG division of the overlapping BWPs is matched to improve resource usage efficiency.
  • the determining, according to the offset of the first RB of the BWP and the first RB of the carrier bandwidth, determining the RB included in the first RBG of the BWP includes:
  • T RBs of the BWP as the RBs included in the first RBG, wherein the T is equal to P-(S mod P), wherein the P is the RBG size, and the S is the offset
  • the mod is a remainder function.
  • the number of RBs included in the first RBG may be the above T.
  • the P of each user terminal is often in a multiple relationship, so that the boundary of the RBG divided by each user terminal is aligned, for example, the P of the user terminal 3 is Two times P of the user terminal 1 and the user terminal 2, and T of the user terminal 1 and the user terminal 3 are equal to P of each bit, that is, S mod P is equal to 0, and T of the user terminal 2 is smaller than P of the user terminal 2.
  • RBG division as shown in FIG. 5 can be realized, and RBG #0 to RBG #5 of the user terminal 1 are aligned with the boundaries of RBG #0 to RBG #2 of the user terminal 3, and the RBG of the user terminal 2 is aligned.
  • #1 to RBG#5 are aligned with the boundaries of RBG#3 to RBG#5 of the user terminal 3, wherein P of the user terminal 3 is twice the P of the user terminal 1 and the user terminal 2.
  • the determining, by the T RBs of the BWP, the RBs included in the first RBG includes:
  • T RBs starting from the first RB of the BWP are used as RBs included in the first RBG.
  • the first T RBs of the BWP may be used as the RBs included in the first RBG (RBG #0), so that it is easier to ensure that the BWP RBG of each user terminal is matched when the BWP overlap of the multi-user terminal is ensured. of.
  • the first RBG (RBG #0) includes the first P RBs, and the T of the user terminal 2 is less than P, then the first RBG (RBG #0)
  • the first T RBs are included, and the S mod P of the user terminal 3 is equal to 0, and the first RBG (RBG #0) includes the first P RBs.
  • the RBs included in the first RBG of the BWP are determined; the RBs included in the other RBGs in the BWP are determined according to the P obtained in advance, where the P is an RBG size, and the other RBGs are An RBG other than the first RBG in the BWP. Since the RBs included in the first RBG are determined first, the other RBGs are further divided according to the P, so that all the RBGs are divided according to the P according to the related technology, which can reduce the RBG division mismatch of different user terminals, or avoid different user terminals. The RBG division does not match, thereby improving resource utilization efficiency.
  • FIG. 8 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure. As shown in FIG. 8, the user terminal 800 includes:
  • a first determining module 801 configured to determine a resource block RB included in a first RBG of the BWP;
  • the second determining module 802 is configured to determine, according to the pre-acquired RBG size, the RBs included in the other RBGs in the BWP, where the other RBGs are RBGs in the BWP except the first RBG.
  • the first RBG is the first RBG on the low frequency side of the BWP;
  • the second determining module 802 is configured to determine an RB included in another RBG in the BWP according to a pre-acquired RBG size, and a frequency from low to high;
  • the first RBG is the first RBG on the high frequency side of the BWP;
  • the second determining module 802 is configured to determine, according to a pre-acquired RBG size, a frequency from high to low, determining RBs included in other RBGs in the BWP.
  • the first determining module 801 is configured to determine, according to the notification message sent by the network side, the RB included in the first RBG of the BWP; or
  • the first determining module 801 is configured to determine, according to the offset of the first RB of the BWP and the first RB of the carrier bandwidth, the RB included in the first RBG of the BWP.
  • the notification message includes:
  • a starting position of the first RBG an ending position of the first RBG, a number of RBs included in the first RBG, or a starting position of a second RBG of the BWP.
  • the first determining module 801 is configured to: if the notification message includes a starting location of the first RBG, the P RBs that start from the starting position of the first RBG belong to the The RB in the BWP is the RB included in the first RBG, where the P is the RBG size; or
  • the first determining module 801 is configured to: when the notification message includes an end position of the first RBG, the at least one RB starting from the first RB of the BWP is used as the RB included in the first RBG, where End position of the at least one RB is an end position of the first RBG; or
  • the first determining module 801 is configured to: when the notification message includes the number of RBs included in the first RBG, at least one RB starting from the first RB of the BWP is used as the RB included in the first RBG The number of RBs of the at least one RB is the number of RBs included in the first RBG; or
  • the first determining module 801 is configured to: if the notification message includes a starting location of the second RBG, at least one RB that starts from a first RB of the BWP is used as an RB included in the first RBG, The ending position of the at least one RB is the previous RB of the starting position of the second RBG.
  • the first determining module 801 is configured to determine T RBs of the BWP as the RBs included in the first RBG, where the T is equal to P-(S mod P), where the P is the RBG size, the S is the offset, and the mod is a remainder function.
  • the first determining module 801 is configured to use the T RBs that start from the first RB of the BWP as the RBs included in the first RBG.
  • the user terminal 800 may be a user terminal in any embodiment of the method in the embodiment of the disclosure, and any implementation manner of the user terminal in the method embodiment of the disclosure may be used in this embodiment.
  • the foregoing user terminal 800 in the embodiment is implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • FIG. 9 is a structural diagram of another user terminal according to an embodiment of the present disclosure.
  • the user terminal includes: a memory 910, a processor 900, and is stored in the memory 910.
  • a computer program running on the processor 900 wherein:
  • the processor 900 is configured to read a program in the memory 910 and perform the following process:
  • the foregoing user terminal may further include a transceiver 920, wherein the transceiver 920 is configured to receive and transmit data under the control of the processor 900.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 900 and various circuits of memory represented by memory 910.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 920 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 910 can store data used by the processor 900 in performing operations.
  • the memory 910 does not limit one device only on the user terminal, and the memory 910 and the processor 900 may be separated in different geographical locations in the future.
  • the first RBG is the first RBG on the low frequency side of the BWP;
  • the first RBG is the first RBG on the high frequency side of the BWP;
  • the RBs included in the other RBGs in the BWP are determined according to the pre-acquired RBG size and the frequency is high to low.
  • the determining, by the processor 900, the RB included in the first RBG of the BWP includes:
  • the notification message includes:
  • a starting position of the first RBG an ending position of the first RBG, a number of RBs included in the first RBG, or a starting position of a second RBG of the BWP.
  • the notification message includes a start position of the first RBG
  • the RBs belonging to the BWP from the P RBs starting from the start position of the first RBG are included as the first RBG.
  • the notification message includes an end position of the first RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the end of the at least one RB Position is the end position of the first RBG;
  • the notification message includes the number of RBs included in the first RBG
  • at least one RB starting from the first RB of the BWP is used as the RB included in the first RBG, where the at least one The number of RBs of the RB is the number of RBs included in the first RBG;
  • the notification message includes a start location of the second RBG
  • at least one RB starting from the first RB of the BWP is used as an RB included in the first RBG, where the at least one RB The end position is the previous RB of the start position of the second RBG.
  • T RBs of the BWP as the RBs included in the first RBG, wherein the T is equal to P-(S mod P), wherein the P is the RBG size, and the S is the offset
  • the mod is a remainder function.
  • determining, by the processor 900, T RBs of the BWP as the RBs included in the first RBG includes:
  • T RBs starting from the first RB of the BWP are used as RBs included in the first RBG.
  • the foregoing user terminal may be a user terminal in any embodiment of the method in the embodiment of the disclosure, and any implementation manner of the user terminal in the method embodiment in the embodiment of the disclosure may be implemented by the implementation.
  • the above-mentioned user terminal in the example is implemented, and the same beneficial effects are achieved, and details are not described herein again.
  • the embodiment of the present disclosure further provides a computer readable storage medium, where the computer program is stored, and when the program is executed by the processor, the steps in the method for dividing the RBG provided by the embodiment of the present disclosure are implemented.
  • the disclosed method and apparatus may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • each functional unit in various embodiments of the present disclosure may be integrated into one processing unit, or each unit may be physically included separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform part of the steps of the transceiving method of the various embodiments of the present disclosure.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

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Abstract

本公开实施例提供一种资源块组的划分方法和用户终端,该方法包括:确定带宽部分的第一个资源块组包含的资源块;按照预先获取的资源块组大小,确定所述带宽部分中的其他资源块组包含的资源块,其中,所述其他资源块组为所述带宽部分中除所述第一个资源块组之外的资源块组。

Description

资源块组的划分方法和用户终端
相关申请的交叉引用
本申请主张在2017年9月21日在中国提交的中国专利申请No.201710860820.1的优先权,其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域,尤其涉及一种资源块组(Resource Block Group,RBG)的划分方法和用户终端。
背景技术
通信系统中下行支持基于RBG的资源分配,其中,RBG是指一组连续分布的资源块(Resource Block,RB),RBG大小可以用P表示,其中,P由下行系统带宽
Figure PCTCN2018091553-appb-000001
确定。例如:
Figure PCTCN2018091553-appb-000002
小于或者等于10时,P等于1,
Figure PCTCN2018091553-appb-000003
大于或者等于11,且小于或者等于26时,P等于2等等。整个下行系统带宽
Figure PCTCN2018091553-appb-000004
对应的RBG数量为
Figure PCTCN2018091553-appb-000005
其中,
Figure PCTCN2018091553-appb-000006
为向上取整,且RBG编号按照频率由低到高以及RBG大小不升高的顺序进行编号。
然而,在以后的通信系统,例如:新空口(New Radio,NR)通信系统中,用户终端可能无法支持全带宽的收发,因此,在NR通信系统中引入了载波带宽部分(Band Width Part,BWP)的概念。BWP是一个载波中的一个连续物理资源块(Physical Resource Block,PRB)子集。用户终端只在激活的BWP内进行收发,且BWP内的RB从0开始编号。如果还采用相关技术中的RBG的划分方式,当不同用户终端的BWP重叠时,就可能出现RBG划分不匹配的情况,例如:如图1所示,图1中用户终端3的RBG#3占用后,用户终端2的RBG#1不能使用,且由于用户终端2的RBG#1的边界与用户终端3的RBG#3的边界不对齐,会导致部分RB无法采用基于RBG的机制分配。可见,采用相关技术中的RBG的划分方式,会导致资源复用效率比较低。
发明内容
本公开实施例提供一种RBG的划分方法和用户终端,以解决资源复用效率比较低的问题。
本公开实施例提供一种RBG的划分方法,包括:
确定带宽部分BWP的第一个RBG包含的RB;
按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
可选地,所述第一个RBG为所述BWP的低频侧的第一个RBG;
所述按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
或者,
所述第一个RBG为所述BWP的高频侧的第一个RBG;
所述按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
可选地,所述确定BWP的第一个RBG包含的RB,包括:
根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
可选地,所述通知消息包括:
所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
可选地,所述根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB,包括:
若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个 RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
可选地,所述根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB,包括:
确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
可选地,所述确定BWP的T个RB作为所述第一个RBG包含的RB,包括:
将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的RB。
本公开实施例还提供一种用户终端,包括:
第一确定模块,用于确定BWP的第一个RBG包含的资源块RB;
第二确定模块,用于按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
可选地,所述第一确定模块用于根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
所述第一确定模块用于根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
可选地,所述通知消息包括:
所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
可选地,所述第一确定模块用于确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
本公开实施例还提供一种用户终端,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,其特征在于,
所述处理器用于读取存储器中的程序,执行下列过程:
确定带宽部分BWP的第一个RBG包含的资源块RB;
按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
可选地,所述第一个RBG为所述BWP的低频侧的第一个RBG;
所述处理器执行的按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
或者,
所述第一个RBG为所述BWP的高频侧的第一个RBG;
所述处理器执行的按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
可选地,所述处理器执行的确定BWP的第一个RBG包含的RB,包括:
根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
可选地,所述通知消息包括:
所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
可选地,所述处理器执行的根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB,包括:
若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
可选地,所述处理器执行的根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB,包括:
确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
可选地,所述处理器执行的确定BWP的T个RB作为所述第一个RBG包含的RB,包括:
将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的RB。
本公开实施例还提供一种计算机可读存储介质,其上存储有计算机程序,其特征在于,该程序被处理器执行时实现本公开实施例提供的RBG的划分方法中的步骤。
本公开实施例中,确定BWP的第一个RBG包含的RB;按照预先获取 的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述P为RBG大小,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。由于先确定第一个RBG包括的RB,其他RBG再按照RBG大小进行划分,这样相比相关技术所有RBG均按RBG大小进行划分,可以减少不同用户终端的RBG划分不匹配的情况,或者避免不同用户终端的RBG划分不匹配的情况,从而提升资源利用效率。
附图说明
为了更清楚地说明本公开实施例的技术方案,下面将对本公开实施例中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是按照相关技术中的RBG划分方式的示意图;
图2是本公开实施例可应用的网络结构示意图;
图3是本公开实施例提供的一种RBG的划分方法的流程图;
图4是本公开实施例提供一种RBG划分的示意图;
图5是本公开实施例提供另一种RBG划分的示意图;
图6是本公开实施例提供另一种RBG划分的示意图;
图7是本公开实施例提供一种RB的偏移的示意图;
图8是本公开实施例提供的一种用户终端的结构图;
图9是本公开实施例提供的另一种用户终端的结构图。
具体实施方式
下面将结合本公开实施例中的附图,对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本公开一部分实施例,而不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
参见图2,图2是本公开实施例可应用的网络结构示意图,如图2所示,包括用户终端(User Equipment,UE)21和网络侧设备22,其中,用户终端 21可以是手机、平板电脑(Tablet Personal Computer)、膝上型电脑(Laptop Computer)、个人数字助理(Personal Digital Assistant,PDA)、移动上网装置(Mobile Internet Device,MID)或可穿戴式设备(Wearable Device)等终端侧设备,需要说明的是,在本公开实施例中并不限定用户终端21的具体类型。网络侧设备22可以是基站,例如:宏站、LTE eNB、5G NR NB等;网络侧设备22也可以是小站,如低功率节点(Low Power Node,LPN)pico、femto等小站,或者网络侧设备22可以接入点(Access Point,AP);基站也可以是中央单元(Central Unit,CU)与其管理是和控制的多个传输接收点(Transmission Reception Point,TRP)共同组成的网络节点。需要说明的是,在本公开实施例中并不限定网络侧设备22的具体类型。
请参见图3,图3是本公开实施例提供的一种RBG的划分方法的流程图,如图3所示,包括以下步骤:
301、确定BWP的第一个RBG包含的RB;
302、按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
上述BWP的第一个RBG可以是BWP某一侧的第一个RBG,例如:低频侧的第一个RBG,或者高频侧的第一个RBG,其中,低频侧的第一个RBG可以理解为,BWP中频率由低到高的第一个RBG,即该RBG包含的RB是BWP中频率最低的RB;而高频侧的第一个RBG可以理解为,BWP中频率由高到低的第一个RBG,即该RBG包含的RB是BWP中频率最高的RB。另外,本公开实施例中,BWP的第一个RB同样是某一侧的第一个RB,例如:低频侧的第一个RB,或者高频侧的第一个RB,其中,低频侧的第一个RB可以理解为,BWP中频率最低的RB,而高频侧的第一个RB可以理解为,BWP中频率最高的RB。而载波带宽的第一个RB可以参见BWP的第一个RB,此处不作赘述。
另外,上述确定BWP的第一个RBG包含的RB可以是用户终端根据网络侧发送通知消息确定的,或者用户终端根据预先获取的确定规则确定的,对此本公开实施例不作限定。且上述第一个RBG包含的RB个数可以是小于或者等于上述RBG大小。上述RBG大小可以是用户终端根据配置的带宽计 算出的,或者网络侧配置的等,对此本公开实施例不作限定。
步骤202可以是将上述BWP的RB个数减去第一个RBG的RB个数,再除以P,从而得到其他RBG包含的RB。需要说明的是,本公开实施例中,RBG大小可以用P表示。
例如:上述BWP内的RB个数为N,第一个RBG的RB个数为P1,则除第一个RBG外的RBG个数为
Figure PCTCN2018091553-appb-000007
其中
Figure PCTCN2018091553-appb-000008
个RBG的大小为P,若(N-P1)mod P>0,则其中一个RBG的大小为
Figure PCTCN2018091553-appb-000009
其中,
Figure PCTCN2018091553-appb-000010
为向上取整,
Figure PCTCN2018091553-appb-000011
为向下取整,mod为求余运算。例如,如图4所示,BWP包含的RB个数为N=106,RBG大小P=8,第一个RBG大小P1=6,则除RBG0外还有
Figure PCTCN2018091553-appb-000012
个RBG,其中12个RBG的大小为8,另一个RBG大小为4。
需要说明的是,通过上述步骤可以实现先确定BWP的第一个RBG包含的RB,而其他RBG按照上述RBG大小进行划分,这样当多个用户终端的BWP存在重叠时,实现这多个用户终端的BWP中的RBG划分是相匹配的,即使得载波内不同BWP的RBG划分匹配,从而提升资源使用效率。例如:如图5所示,用户终端2先确定第一RBG(RBG#0)包含的RB,其他RBG(RBG#1至RBG#6)按照上述RBG大小进行划分,从而实现用户终端2与用户终端3的RBG相匹配,以提升资源使用效率。
在一种可选的实施方式中,所述第一个RBG为所述BWP的低频侧的第一个RBG;
所述按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
或者,
所述第一个RBG为所述BWP的高频侧的第一个RBG;
所述按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
该实施方式可以实现灵活地确定第一RBG包含的RB,以及其他RBG包含的RB,从而提高划分RBG的灵活性,以适应不同的通信业务、通信场景,提高用户终端的通信性能。
在另一种可选的实施方式中,所述确定BWP的第一个RBG包含的RB,包括:
根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB。
其中,上述通知消息可以用于通知用户终端确定上述第一RBG包含的RB的参数,用户终端获取到该通知消息后,可以准确地确定第一RBG包含的RB,且由于通知消息是网络侧发送的,这样可以保证多用户终端的BWP重叠时,多用户终端的RBG划分相匹配的,因为网络侧知道各用户终端的BWP,从而可以通过上述通知消息使得各用户终端划分后的RBG划分是相匹配的,以提升资源使用效率。
可选地,上述通知消息包括:
所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
通过上述通知消息可以灵活确定第一个RBG包含的RB。
另外,上述通知消息包括所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置可以理解为,该通知消息中携带有这些信息,即本公开实施例中,通知消息包括但不限于所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。例如:除了这些信息之外,上述通知消息还可以包括网络侧给用户终端配置的其他信息,当然,也可以不包括,即只包括这些信息。且上述通知消息可以是本公开实施例新定义的消息,或者上述通知消息也可以是相关技术中的协议中已定义的消息,而本公开实施例可以是在相关技术中的消息中增加上述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置,以减少 传输开销。
其中,上述根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB,可以包括:
若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
下面以用户终端的BWP包含N个RB,按照频率由低至高的顺序编号为RB 0,RB 1,…,RB N-1,且网络侧通知用户终端BWP低频侧的第一个RBG位置为例,对上述确定第一个RBG的实施方式进行举例说明:
方式一、网络侧通知第一个RBG的起始位置
网络侧通知第一个RBG的起始RB编号,例如,起始RB编号I start的取值范围为-N 1,-N 1+1,…,0,其中N 1=P-1,P为RBG大小,则第一个RBG的大小为P+I start,包含RB 0
Figure PCTCN2018091553-appb-000013
方式二、网络侧通知第一个RBG的结束位置
网络侧通知第一个RBG的结束RB编号。具体地,结束RB编号I end的取值范围为0,1,…,N 2,其中N 2=P-1,P为RBG大小,则第一个RBG的大小为I end+1,包含RB 0
Figure PCTCN2018091553-appb-000014
方式三、网络侧通知第一个RBG的大小
网络侧通知第一个RBG的大小P1,则第一个RBG包含的RB为RB 0到RB P1,P1的取值范围为1,2,…,P,P为RBG大小。
方式四、网络侧通知第二个RBG的起始位置
网络侧通知第二个RBG的起始RB编号,例如,起始RB编号I' start的取值范围为1,2,…,P,则第一个RBG包含的RB为前I' start个RB,即包含RB 0
Figure PCTCN2018091553-appb-000015
假设RBG大小P=4,如图6所示,图6给出了I start=-3,-2,-1,0/I end=0,1,2,3/P1=1,2,3,4/I' start=1,2,3,4时的第一个RBG位置和大小示意图。当I start=-3/I end=0/P1=1/I' start=1时,第一个RBG大小为1,只包含RB 0;当I start=-2/I end=1/P1=2/I' start=2时,第一个RBG大小为2,包含RB 0和RB 1;当I start=-1/I end=2/P1=3/I' start=3时,第一个RBG大小为3,包含RB 0、RB 1和RB 2;当I start=0/I end=3/P1=4/I' start=4时,第一个RBG大小为4,包含RB 0至RB 3
通过上述方式,可以灵活且准确地确定第一个RBG包含的RB。
在另一种可选的实施方式中,所述确定BWP的第一个RBG包含的RB,包括:
根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
上述偏移可以理解为BWP的第一个RB与载波带宽的第一个RB相距的RB个数,例如:用户终端的BWP的RB按照频率从低到高的顺序从RB0开始编号,上述BWP的第一个RB(RB0)在载波带宽中的序号为RB S,且载波带宽的第一个RB为序号为RB0,则如图7所示上述偏移为S。
需要说明的是,BWP的第一个RB和载波带宽的第一个RB均是指同一侧的第一个RB,例如:BWP的第一个RB和载波带宽的第一个RB分别为BWP低频侧的第一个RB和载波带宽低频侧的第一个RB,或者分别为BWP高频侧的第一个RB和载波带宽高频侧的第一个RB。
该实施方式中,可以实现各用户终端均是根据各自的偏移确定BWP的第一个RBG包含的RB,而在实际应用中,各用户终端的RBG大小往往是成倍数关系的,例如:RBG大小分别等于1、2、4、8和16等等,这样可以实现如图5所示,重叠的BWP的RBG划分是匹配的,以提升资源使用效率。
可选地,所述根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB,包括:
确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
可以实现第一个RBG包含的RB个数为上述T,当然,需要说明的是,由于不同用户终端的BWP不同,所以不同用户终端的T可能是不同的。例如:假设一用户终端的P=8,S=106,则第一个RBG的大小为8-106%8=6,其中,106%8表示106对8取余,则在图7中,RBG#0包含RB S到RB S+5
由于T等于P-S mod P,且在实际应用中,各用户终端的P往往是成倍数关系的,这样可以保证各用户终端划分的RBG的边界是对齐的,例如:用户终端3的P是用户终端1和用户终端2的P的2倍,且用户终端1和用户终端3的T分别等于各位的P,即S mod P等于0,且用户终端2的T小于用户终端2的P。这样通过上述步骤,可以实现如图5所示的RBG划分,用户终端1的RBG#0至RBG#5与用户终端3的RBG#0至RBG#2的边界是对齐的,用户终端2的RBG#1至RBG#5与用户终端3的RBG#3至RBG#5的边界是对齐的,其中,用户终端3的P是用户终端1和用户终端2的P的2倍。
可选地,所述确定BWP的T个RB作为所述第一个RBG包含的RB,包括:
将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的RB。
该实施方式中,可以实现将BWP的前T个RB作为第一RBG(RBG#0)包含的RB,从而更容易保证多用户终端的BWP重叠时,保证各用户终端的BWP的RBG划分是匹配的。例如:如图5所示,用户终端1的S mod P等于0,则第一RBG(RBG#0)包含前P个RB,用户终端2的T小于P,则第一RBG(RBG#0)包含前T个RB,用户终端3的S mod P等于0,则第一RBG(RBG#0)包含前P个RB。
需要说明的是,本公开实施例中介绍的多种可选的实施方式,彼此可以相互结合实现,也可以单独实现,对此本公开实施例不作限定。
本公开实施例中,确定BWP的第一个RBG包含的RB;按照预先获取的P,确定所述BWP中的其他RBG包含的RB,其中,所述P为RBG大小, 所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。由于先确定第一个RBG包括的RB,其他RBG再按照P进行划分,这样相比相关技术所有RBG均按P进行划分,可以减少不同用户终端的RBG划分不匹配的情况,或者避免不同用户终端的RBG划分不匹配的情况,从而提升资源利用效率。
请参见图8,图8是本公开实施例提供的一种用户终端的结构示意图,如图8所示,用户终端800包括:
第一确定模块801,用于确定BWP的第一个RBG包含的资源块RB;
第二确定模块802,用于按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
可选地,所述第一个RBG为所述BWP的低频侧的第一个RBG;
所述第二确定模块802用于按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
或者,
所述第一个RBG为所述BWP的高频侧的第一个RBG;
所述第二确定模块802用于按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
可选地,第一确定模块801用于根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
第一确定模块801用于根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
可选地,所述通知消息包括:
所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
可选地,第一确定模块801用于若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
第一确定模块801用于若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
第一确定模块801用于若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
第一确定模块801用于若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
可选地,第一确定模块801用于确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
可选地,第一确定模块801用于将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的RB。
需要说明的是,本实施例中上述用户终端800可以是本公开实施例中方法实施例中任意实施方式的用户终端,本公开实施例中方法实施例中用户终端的任意实施方式都可以被本实施例中的上述用户终端800所实现,以及达到相同的有益效果,此处不再赘述。
请参考图9,图9是本公开实施例提供的另一种用户终端的结构图,如图9所示,该用户终端包括:存储器910、处理器900及存储在所述存储器910上并可在所述处理器900上运行的计算机程序,其中:
所述处理器900用于读取存储器910中的程序,执行下列过程:
确定BWP的第一个RBG包含的RB;
按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
当然,在一些实施方式中,上述用户终端还可以包括收发机920,其中, 收发机920,用于在处理器900的控制下接收和发送数据。
在图9中,总线架构可以包括任意数量的互联的总线和桥,具体由处理器900代表的一个或多个处理器和存储器910代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路等之类的各种其他电路链接在一起,这些都是本领域所公知的,因此,本文不再对其进行进一步描述。总线接口提供接口。收发机920可以是多个元件,即包括发送机和接收机,提供用于在传输介质上与各种其他装置通信的单元。
处理器900负责管理总线架构和通常的处理,存储器910可以存储处理器900在执行操作时所使用的数据。
需要说明的是,存储器910并不限定只在用户终端上的一种设备,可以将来存储器910和处理器900分离处于不同的地理位置。
可选地,所述第一个RBG为所述BWP的低频侧的第一个RBG;
所述处理器900执行的按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
或者,
所述第一个RBG为所述BWP的高频侧的第一个RBG;
所述处理器900执行的按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
可选地,所述处理器900执行的确定BWP的第一个RBG包含的RB,包括:
根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
可选地,所述通知消息包括:
所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
可选地,所述处理器900执行的根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB,包括:
若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
可选地,所述处理器900执行的根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB,包括:
确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
可选地,所述处理器900执行的确定BWP的T个RB作为所述第一个RBG包含的RB,包括:
将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的RB。
需要说明的是,本实施例中上述用户终端可以是本公开实施例中方法实施例中任意实施方式的用户终端,本公开实施例中方法实施例中用户终端的任意实施方式都可以被本实施例中的上述用户终端所实现,以及达到相同的有益效果,此处不再赘述。
本公开实施例还提供一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现本公开实施例提供的RBG的划分方法中的步骤。
在本申请所提供的几个实施例中,应该理解到,所揭露方法和装置,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
另外,在本公开各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理包括,也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现,也可以采用硬件加软件功能单元的形式实现。
上述以软件功能单元的形式实现的集成的单元,可以存储在一个计算机可读取存储介质中。上述软件功能单元存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本公开各个实施例所述收发方法的部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(Read-Only Memory,ROM)、随机存取存储器(Random Access Memory,RAM)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述是本公开的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本公开所述原理的前提下,还可以作出若干改进和润饰,这些改进和润饰也应视为本公开的保护范围。

Claims (19)

  1. 一种资源块组RBG的划分方法,包括:
    确定带宽部分BWP的第一个RBG包含的资源块RB;
    按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
  2. 如权利要求1所述的方法,其中,所述第一个RBG为所述BWP的低频侧的第一个RBG;
    所述按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
    按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
    或者,
    所述第一个RBG为所述BWP的高频侧的第一个RBG;
    所述按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
    按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
  3. 如权利要求1或2所述的方法,其中,所述确定BWP的第一个RBG包含的RB,包括:
    根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
    根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
  4. 如权利要求3所述的方法,其中,所述通知消息包括:
    所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
  5. 如权利要求4所述的方法,其中,所述根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB,包括:
    若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
    若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
    若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
    若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
  6. 如权利要求3所述的方法,其中,所述根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB,包括:
    确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
  7. 如权利要求6所述的方法,其中,所述确定BWP的T个RB作为所述第一个RBG包含的RB,包括:
    将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的RB。
  8. 一种用户终端,包括:
    第一确定模块,用于确定BWP的第一个RBG包含的资源块RB;
    第二确定模块,用于按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
  9. 如权利要求8所述的用户终端,其中,所述第一确定模块用于根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或者
    所述第一确定模块用于根据所述BWP的第一个RB与载波带宽的第一个 RB的偏移,确定BWP的第一个RBG包含的RB。
  10. 如权利要求9所述的用户终端,其中,所述通知消息包括:
    所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
  11. 如权利要求9所述的用户终端,其中,所述第一确定模块用于确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
  12. 一种用户终端,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序,其中,
    所述处理器用于读取存储器中的程序,执行下列过程:
    确定BWP的第一个RBG包含的RB;
    按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,其中,所述其他RBG为所述BWP中除所述第一个RBG之外的RBG。
  13. 如权利要求12所述的用户终端,其中,所述第一个RBG为所述BWP的低频侧的第一个RBG;
    所述处理器执行的按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
    按照预先获取的RBG大小,且频率由低到高,确定所述BWP中的其他RBG包含的RB;
    或者,
    所述第一个RBG为所述BWP的高频侧的第一个RBG;
    所述处理器执行的按照预先获取的RBG大小,确定所述BWP中的其他RBG包含的RB,包括:
    按照预先获取的RBG大小,且频率由高到低,确定所述BWP中的其他RBG包含的RB。
  14. 如权利要求12或13所述的用户终端,其中,所述处理器执行的确定BWP的第一个RBG包含的RB,包括:
    根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB;或 者
    根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB。
  15. 如权利要求14所述的用户终端,其中,所述通知消息包括:
    所述第一个RBG的起始位置、所述第一个RBG的结束位置、所述第一个RBG包含的RB个数或者所述BWP的第二个RBG的起始位置。
  16. 如权利要求15所述的用户终端,其中,所述处理器执行的根据网络侧发送的通知消息,确定BWP的第一个RBG包含的RB,包括:
    若所述通知消息包括所述第一个RBG的起始位置,则将从所述第一个RBG的起始位置开始的P个RB中属于所述BWP中的RB作为所述第一RBG包含的RB,其中,所述P为所述RBG大小;或者
    若所述通知消息包括所述第一RBG的结束位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第一RBG的结束位置;或者
    若所述通知消息包括所述第一个RBG包含的RB个数,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的RB个数为所述第一个RBG包含的RB个数;或者
    若所述通知消息包括所述第二个RBG的起始位置,则将从所述BWP的第一个RB开始的至少一个RB作为所述第一RBG包含的RB,其中,所述至少一个RB的结束位置为所述第二个RBG的起始位置的前一个RB。
  17. 如权利要求14所述的用户终端,其中,所述处理器执行的根据所述BWP的第一个RB与载波带宽的第一个RB的偏移,确定BWP的第一个RBG包含的RB,包括:
    确定BWP的T个RB作为所述第一个RBG包含的RB,其中,所述T等于P-(S mod P),其中,所述P为所述RBG大小,所述S为所述偏移,所述mod为求余函数。
  18. 如权利要求17所述的用户终端,其中,所述处理器执行的确定BWP的T个RB作为所述第一个RBG包含的RB,包括:
    将从所述BWP的第一个RB开始的T个RB作为所述第一RBG包含的 RB。
  19. 一种计算机可读存储介质,其上存储有计算机程序,该程序被处理器执行时实现如权利要求1至7中任一项所述的RBG的划分方法中的步骤。
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