CN109818647B - PUCCH frequency hopping realization method and device and user equipment - Google Patents

PUCCH frequency hopping realization method and device and user equipment Download PDF

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CN109818647B
CN109818647B CN201711145380.8A CN201711145380A CN109818647B CN 109818647 B CN109818647 B CN 109818647B CN 201711145380 A CN201711145380 A CN 201711145380A CN 109818647 B CN109818647 B CN 109818647B
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pucch format
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pucch
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CN109818647A (en
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周欢
王化磊
黄甦
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Beijing Ziguang Zhanrui Communication Technology Co Ltd
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Abstract

The invention provides a PUCCH frequency hopping realization method, a PUCCH frequency hopping realization device and user equipment. The method comprises the following steps: determining a base sequence number adopted on a symbol in a time slot according to the time slot number, the symbol index and the symbol length of PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the time slot; and according to the determined base sequence number, carrying out frequency hopping among time slots or frequency hopping within the time slots and among the time slots. The invention can realize the base sequence frequency hopping of PUCCH format 0 or PUCCH format 1 in NR.

Description

PUCCH frequency hopping realization method and device and user equipment
Technical Field
The invention relates to the technical field of wireless communication, in particular to a PUCCH frequency hopping realization method, a PUCCH frequency hopping realization device and user equipment.
Background
A frame structure diagram of a 3rd Generation Partnership Project (3 GPP) NR (new radio over the air) system is shown in fig. 1, where each radio frame is divided into 10 subframes with the same size and length of 1ms, and each subframe may include a plurality of slots, where each subframe is different in subcarrier spacing, and the time domain length is 10 ms. Each slot is composed of a certain number of symbols, and the number of symbols is determined by a CP (Cyclic Prefix) type.
A PUCCH (Physical Uplink Control Channel) is one Physical Channel of an Uplink in the NR system, in which Uplink Control information is carried. The intention of setting PUCCH is that when a user is not scheduled, that is, not allocated UL-SCH (Uplink Shared Channel) resources, the user transfers L1/L2 control information including a Channel state report, HARQ (Hybrid Automatic Repeat reQuest) acknowledgement (ACK/NACK), and a scheduling reQuest, using PUCCH, where the Channel state report includes: a Precoding Matrix Indicator (PMI), a Channel Quality Indicator (CQI), and the like.
The PUCCH formats are shown in table 1, where the PUCCH formats 1 and 3/4 occupy a large number of OFDM (orthogonal frequency Division Multiplexing) symbols, and are referred to as long PUCCHs.
TABLE 1
PUCCH format Length in OFDM symbols Number of bits
0 1–2 ≤2
1 4–12 ≤2
2 1–2 >2
3 4–12 >2
4 4–12 2～N
PUCCH format 0 is sequence based, with different sequences selected to represent 1-bit HARQ-ACK or 2-bit HARQ-ACK carrying or not carrying sr (with or without sr), without DMRS (Demodulation Reference Signal). PUCCH format 0 transmission of 1-bit HARQ-ACK using 2 length-12 sequences
Figure BDA0001472351030000021
Denoted as { x0(n) x1(n), the two sequences use the same sequence index (seq index), and the cyclic shifts differ by 6.
PUCCH format 0 transmits 2-bit information using 4 sequences of length 12
Figure BDA0001472351030000022
Denoted as { x0(n) x1(n)x2(n) x3(n), the four sequences use the same sequence index, and are cyclically shifted by 3.
As described above
Figure BDA0001472351030000023
Is a cyclic shift of a base sequence (see table 2) that is configured by the cell-level RRC parameter RMSI and that can be pending in different time slots based on the configuration ID, in a specific manner.
TABLE 2
Figure BDA0001472351030000024
Figure BDA0001472351030000031
PUCCH format 1 is also used for transmitting 2-bit information, which may be 1-bit HARQ-ACK or 2-bit HARQ-ACK with or without 1-bit SR. After BPSK (Binary Phase Shift Keying) or QPSK (Quadrature Phase Shift Keying) modulation, a symbol is generated, multiplied by a base sequence with a length of 12, multiplied by a time domain OCC, and mapped onto 12 subcarriers of a corresponding time domain symbol. However, it is not certain how to determine that the base sequences are identical.
In the PUCCH format 1 of LTE, 30 sequences are divided into 30 groups, the value range is 0-29, and each group only comprises 1 base sequence. In the same cell, different time slots may use the same group, or different groups. If different time slots use different groups, group hopping, i.e., the process of selecting different base sequences, is formed. Whether the LTE PUCCH enables group hopping may be configured by higher layer parameters. When group hopping is disabled, all UEs within a cell use the same sequence on any time slot. If group hopping is enabled, the PUCCH sequences are associated with a physical cell ID or a virtual cell ID and a slot number, which varies with the slot number, thereby forming frequency hopping. The LTE PUCCH format 1 also supports cyclic shift, and is derived from the PUCCH format 1 resource index used for transmitting harq ack/NACK information, and from a function with the first CCE of the PDCCH as an entry parameter. In the normal cyclic prefix, each slot has 7 SC-FDMA symbols, and each SC-FDMA symbol transmits a sequence of length 12 (12 subcarriers for 1 RB), which is obtained by cyclically shifting the base sequence (one RB supports up to 12 cyclic shifts in the frequency domain). In an actual deployment, 12 cyclic shifts are not necessarily all available. The number of cyclic shifts available on each RB for PUCCH format 1/1a/1b is configured by higher layer parameters, with cyclic shifts of 12, 6, and 4.
At present, although it is proposed in NR that base sequence hopping is performed in PUCCH format 0/1, how to perform base sequence hopping is not yet determined.
Disclosure of Invention
The PUCCH frequency hopping realization method, the PUCCH frequency hopping realization device and the user equipment can realize the base sequence frequency hopping of the PUCCH format 0 or the PUCCH format 1 in NR.
In a first aspect, the present invention provides a method for implementing PUCCH frequency hopping, including:
determining a base sequence number adopted on a symbol in a time slot according to the time slot number, the symbol index and the symbol length of PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the time slot;
and according to the determined base sequence number, carrying out frequency hopping among time slots or frequency hopping within the time slots and among the time slots.
Optionally, determining, according to the slot number, the symbol index, and the symbol length of the PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the slot, a base sequence number used on a symbol in the slot includes:
the base sequence number used on the symbols within the slot is determined according to the following formula:
Figure BDA0001472351030000041
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 0 or PUCCH format 1, or the uplink symbol length in the time slot in which PUCCH format 0 or PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe symbol index of (1).
Optionally, the performing, according to the determined base sequence number, inter-slot frequency hopping, or the frequency hopping within a slot and among slots includes: and according to the determined base sequence number, carrying out frequency hopping within the time slot and among the time slots.
Optionally, the base sequence number used on the symbol in the time slot is determined according to the following formula:
Figure BDA0001472351030000051
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 1 or the uplink symbol length in the time slot in which the PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe PUCCH start symbol index in (b) or the start symbol index of the uplink symbol.
Optionally, the base sequence number used on the symbol in the time slot is determined according to the following formula:
Figure BDA0001472351030000052
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 1 or the uplink symbol length in the time slot in which the PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe starting symbol index at which each hop in (a) is located.
Optionally, the performing, according to the determined base sequence number, inter-slot frequency hopping, or the frequency hopping within a slot and among slots includes: and according to the determined base sequence number, carrying out frequency hopping among time slots.
In a second aspect, the present invention provides an apparatus for implementing PUCCH frequency hopping, including:
the determining unit is used for determining a base sequence number adopted on a symbol in a time slot according to the time slot number, the symbol index and the symbol length of PUCCH format 0 or PUCCH format 1 or the length of an uplink symbol in the time slot;
and the frequency hopping unit is used for carrying out frequency hopping within the time slot and among the time slots according to the determined base sequence number.
Optionally, the determining unit is configured to determine a base sequence number used on a symbol in the time slot according to the following formula:
Figure BDA0001472351030000061
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 0 or PUCCH format 1, or the uplink symbol length in the time slot in which PUCCH format 0 or PUCCH format 1 is located;
l is PUCCH format0/PUCCH Format 1 in slot nsThe symbol index of (1).
Optionally, the frequency hopping unit is configured to perform frequency hopping within a time slot and between time slots according to the determined base sequence number.
Optionally, the determining unit is configured to determine a base sequence number used on a symbol in the time slot according to the following formula:
Figure BDA0001472351030000062
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 1 or the uplink symbol length in the time slot in which the PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe PUCCH start symbol index in (b) or the start symbol index of the uplink symbol.
Optionally, the determining unit is configured to determine a base sequence number used on a symbol in the time slot according to the following formula:
Figure BDA0001472351030000071
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 1 or the uplink symbol length in the time slot in which the PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe starting symbol index at which each hop in (a) is located.
Optionally, the frequency hopping unit is configured to perform frequency hopping between time slots according to the determined base sequence number.
In a third aspect, the present invention provides a user equipment, where the user equipment includes the apparatus for implementing PUCCH frequency hopping.
According to the implementation method, device and user equipment of PUCCH frequency hopping provided by the embodiment of the invention, the base sequence number adopted on the symbol in the time slot is determined according to the time slot number, the symbol index and the symbol length of PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the time slot, and the frequency hopping between the time slots or the frequency hopping between the time slots and the time slot is carried out according to the determined base sequence number, so that the base sequence frequency hopping of PUCCH format 0 or PUCCH format 1 can be realized in NR, and the inter-cell interference randomization can be better carried out.
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FIG. 1 is a frame structure diagram of a 3GPP NR system;
fig. 2 is a flowchart of a method for implementing PUCCH frequency hopping according to an embodiment of the present invention;
FIGS. 3-8 are schematic diagrams of the determination of the base sequence provided by the embodiment of the present invention;
fig. 9 is a schematic structural diagram of an apparatus for implementing PUCCH frequency hopping 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 and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
An embodiment of the present invention provides a method for implementing PUCCH frequency hopping, where the method is applied to a user equipment, and as shown in fig. 2, the method includes:
and S21, determining the base sequence number adopted on the symbol in the time slot according to the time slot number, the symbol index and the symbol length of PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the time slot.
And S22, according to the determined base sequence number, carrying out frequency hopping among time slots or frequency hopping within and among time slots.
According to the implementation method of the PUCCH frequency hopping provided by the embodiment of the invention, the base sequence number adopted on the symbol in the time slot is determined according to the time slot number, the symbol index and the symbol length of the PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the time slot, and the frequency hopping between the time slots or the frequency hopping between the time slots and the time slot is performed according to the determined base sequence number, so that the base sequence frequency hopping of the PUCCH format 0 or PUCCH format 1 can be realized in NR, and the inter-cell interference randomization can be better performed.
The following describes in detail a method for implementing PUCCH frequency hopping according to the present invention with reference to specific embodiments.
The first scheme is as follows:
relative to LTE, only inter-slot base sequence hopping is allowed, with the same base sequence being used on all symbols in a slot. Scheme one provides a way to allow intra-slot and inter-slot base sequence hopping.
Figure BDA0001472351030000081
In formula (1):
fsis in time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsSymbols l and X. The initialization value is configured for high-layer signaling.
X can be the following scheme:
Figure BDA0001472351030000091
that is, the value of X is equal to the symbol length of PUCCH format 0 or PUCCH format 1, and may be 1 or 2;
Figure BDA0001472351030000092
namely the value of X is equal to the length of an uplink symbol in a time slot in which the PUCCH format 0 or the PUCCH format 1 is positioned;
symbol l is PUCCH Format 0/PUCCH Format 1 in slot nsThe symbol index of (1).
The base sequence of the PUCCH format 0 or PUCCH format 1 obtained according to equation (1) is related to the slot number and symbol, and changes with the change of the slot number and symbol, thereby forming intra-slot and inter-slot frequency hopping.
The above-mentioned scheme 1 will be illustrated with reference to specific examples.
As shown in fig. 3, PUCCH format 1 includes 5 symbols and occupies symbols 4 to 8, where the base sequence used for symbol 4 depends on l-4, the base sequence used for symbol 5 depends on l-5, the base sequence used for symbol 6 depends on l-6, the base sequence used for symbol 7 depends on l-7, and the base sequence used for symbol 8 depends on l-8.
As shown in fig. 4, PUCCH format 0 includes 2 symbols and occupies symbol 4 and symbol 5, where the base sequence used for symbol 4 depends on l-4 and the base sequence used for symbol 5 depends on l-5.
Scheme II:
the scheme provides an inter-slot base sequence frequency hopping mode of PUCCH format 0 and format 1, namely, the same base sequence is used in a slot, but the scheme is different from LTE PUCCH 1a/1b in that the starting symbol of PUCCH format 0 or format 1 is related.
Case 1:
when the PUCCH format 0 and the PUCCH format 1 do not hop frequency:
Figure BDA0001472351030000101
in formula (2):
fsis in time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsSymbols l and X. The initialization value is high-level signaling configuration;
x can be in the following scheme:
Figure BDA0001472351030000102
that is, the value of X is equal to the symbol length of PUCCH format 1, which may be 1 or 2;
Figure BDA0001472351030000103
namely the value of X is equal to the length of an uplink symbol in a time slot where the PUCCH format 1 is located;
symbol l is PUCCH Format 0/PUCCH Format 1 in slot nsThe PUCCH start symbol index in (b) or the start symbol index of the uplink symbol.
The base sequence of PUCCH format 1 obtained according to equation (2) is related to the slot number and the start symbol, and is independent of other symbols within the slot, thereby forming inter-slot frequency hopping.
The following example will illustrate case 1 in the above-mentioned scheme 2.
As shown in fig. 5, PUCCH format 1 includes 5 symbols and occupies symbols 4 to 8, where the base sequence used for symbol 4 depends on l being 4, and the base sequences used for other symbols are the same as symbol 4.
Or the base sequence used for symbol 4 depends on l ═ 2 (the starting symbol index of the uplink symbol), while the other base sequences used for symbols are the same as symbol 4.
As shown in fig. 6, PUCCH format 0 includes 2 symbols and occupies symbol 4 and symbol 5, where the base sequence used for symbol 4 depends on l being 4, and the base sequence used for symbol 5 is the same as symbol 4.
Or the base sequence used for symbol 4 depends on l ═ 2 (the starting symbol index of the uplink symbol), while the base sequence used for symbol 5 is the same as that used for symbol 4.
Case 2:
when the PUCCH format 0 and the PUCCH format 1 hop frequency:
symbol l is PUCCH Format 0/PUCCH Format 1 in slot nsThe starting symbol index at which each hop is located.
Case 2 in the above-described scheme 2 will be illustrated with reference to specific examples.
As shown in fig. 7, PUCCH format 0 includes 2 symbols and frequency hopping is performed, where symbol 2 is the first hop and symbol 3 is the second hop, and the base sequence used in the first hop depends on l ═ 2, and the base sequence used in the second hop depends on l ═ 3.
As shown in fig. 8, PUCCH format 1 includes 12 symbols and hopping, where symbol 2 is a first step start symbol and symbol 7 is a second step, the base sequence used in the first hop depends on symbol l ═ 2, and the base sequence used in the second hop depends on symbol l ═ 7.
The base sequence of PUCCH format 1 obtained according to equation (2) is related to the slot number and the start symbol, and is independent of other symbols within the slot, thereby forming inter-slot frequency hopping.
An embodiment of the present invention further provides a device for implementing PUCCH frequency hopping, where the device is located in a user equipment, and as shown in fig. 9, the device includes:
a determining unit 21, configured to determine a base sequence number used on a symbol in a slot according to the slot number, the symbol index, and the symbol length of PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the slot;
and a frequency hopping unit 22, configured to perform frequency hopping within a time slot and between time slots according to the determined base sequence number.
The device for implementing the PUCCH frequency hopping determines a base sequence number used for a symbol in a slot according to the slot number, the symbol index, and the symbol length of the PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the slot, and performs inter-slot frequency hopping or inter-slot frequency hopping according to the determined base sequence number, so that the base sequence frequency hopping of the PUCCH format 0 or PUCCH format 1 can be implemented in NR, and inter-cell interference randomization can be better performed.
Optionally, the determining unit 21 is configured to determine a base sequence number used on a symbol in the time slot according to the following formula:
Figure BDA0001472351030000121
wherein:
fsin time slot nsIs adopted by symbol lThe base sequence number used;
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 0 or PUCCH format 1, or the uplink symbol length in the time slot in which PUCCH format 0 or PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe symbol index of (1).
Optionally, the frequency hopping unit 22 is configured to perform frequency hopping within a time slot and between time slots according to the determined base sequence number.
Optionally, the determining unit 21 is configured to determine a base sequence number used on a symbol in the time slot according to the following formula:
Figure BDA0001472351030000122
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 1 or the uplink symbol length in the time slot in which the PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe PUCCH start symbol index in (b) or the start symbol index of the uplink symbol.
Optionally, the determining unit 21 is configured to determine a base sequence number used on a symbol in the time slot according to the following formula:
Figure BDA0001472351030000123
wherein:
fsin time slot nsThe base sequence number used for symbol l of (1);
c () is a pseudo-random sequence with reference to slot nsThe symbols l and X;
x is the symbol length of PUCCH format 1 or the uplink symbol length in the time slot in which the PUCCH format 1 is located;
l is PUCCH format 0/PUCCH format 1 in slot nsThe starting symbol index at which each hop in (a) is located.
Optionally, the frequency hopping unit 22 is configured to perform frequency hopping between time slots according to the determined base sequence number.
The apparatus of this embodiment may be configured to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
The embodiment of the invention also provides user equipment which comprises the PUCCH frequency hopping realizing device.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (7)

1. A method for implementing PUCCH frequency hopping is characterized by comprising the following steps:
according to the slot number, the symbol index and the symbol length of PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the slot, according to a formula
Figure FDA0002510767550000011
Determining the base sequence number to be used on symbols within a time slot, whichIn, fsIn time slot nsC () is a pseudo-random sequence, which is entered into the reference time slot nsSymbols l and X, X are the length of symbols of PUCCH format 0 or PUCCH format 1, or the length of uplink symbols in a time slot in which PUCCH format 0 or PUCCH format 1 is located; l is PUCCH format 0/PUCCH format 1 in slot nsSymbol index of (1), or l is PUCCH format 0/PUCCH format 1 in slot nsIn (3), the PUCCH starting symbol index or the starting symbol index of the uplink symbol, or l is PUCCH format 0/PUCCH format 1 in slot nsThe starting symbol index of each hop;
and according to the determined base sequence number, carrying out frequency hopping among time slots or frequency hopping within the time slots and among the time slots.
2. The method of claim 1, wherein the performing inter-slot frequency hopping, or intra-slot and inter-slot frequency hopping according to the determined base sequence number comprises: when X is the symbol length of PUCCH format 0 or PUCCH format 1, or the uplink symbol length in the time slot in which PUCCH format 0 or PUCCH format 1 is located, l is PUCCH format 0/PUCCH format 1 in time slot nsAnd when the symbol index is in the middle, frequency hopping within the time slot and among the time slots is carried out according to the determined base sequence number.
3. The method of claim 1, wherein the performing inter-slot frequency hopping, or intra-slot and inter-slot frequency hopping according to the determined base sequence number comprises: when X is the length of the PUCCH format 1 symbol or the length of the uplink symbol in the time slot of the PUCCH format 1, l is PUCCH format 0/PUCCH format 1 in the time slot nsThe PUCCH starting symbol index or the starting symbol index of the uplink symbol in (1) or (l) is PUCCH format 0/PUCCH format 1 in slot nsAnd when the initial symbol index of each hop is positioned, carrying out frequency hopping among time slots according to the determined base sequence number.
4. An apparatus for implementing PUCCH frequency hopping, comprising:
a determining unit, configured to determine the symbol length of the PUCCH format 0 or PUCCH format 1 or the uplink symbol length in the slot according to the formula
Figure FDA0002510767550000021
Determining a base sequence number to be used on symbols within a time slot, wherein fsIn time slot nsC () is a pseudo-random sequence, which is entered into the reference time slot nsSymbols l and X, X are the length of symbols of PUCCH format 0 or PUCCH format 1, or the length of uplink symbols in a time slot in which PUCCH format 0 or PUCCH format 1 is located; l is PUCCH format 0/PUCCH format 1 in slot nsSymbol index of (1), or l is PUCCH format 0/PUCCH format 1 in slot nsIn (3), the PUCCH starting symbol index or the starting symbol index of the uplink symbol, or l is PUCCH format 0/PUCCH format 1 in slot nsThe starting symbol index of each hop;
and the frequency hopping unit is used for carrying out frequency hopping within the time slot and among the time slots according to the determined base sequence number.
5. The apparatus of claim 4, wherein the frequency hopping unit is configured to, when X is a symbol length of PUCCH format 1 or an uplink symbol length in a slot where PUCCH format 1 is located, l is PUCCH format 0/PUCCH format 1 in slot nsThe PUCCH starting symbol index or the starting symbol index of the uplink symbol in (1) or (l) is PUCCH format 0/PUCCH format 1 in slot nsAnd when the initial symbol index of each hop is positioned, carrying out frequency hopping within the time slot and among the time slots according to the determined base sequence number.
6. The apparatus of claim 4, wherein the frequency hopping unit is configured to, when X is a symbol length of PUCCH format 1 or an uplink symbol length in a slot where PUCCH format 1 is located, l is PUCCH format 0/PUCCH format 1 in slot nsThe PUCCH starting symbol index or the starting symbol index of the uplink symbol in (l) is PUCCH format 0/PUCCH format 1 in slotnsAnd when the initial symbol index of each hop is positioned, carrying out frequency hopping among time slots according to the determined base sequence number.
7. A user equipment, characterized in that the user equipment comprises the implementation apparatus of PUCCH frequency hopping according to any one of claims 4 to 6.
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