CN116669117A

CN116669117A - Cell switching method and related equipment

Info

Publication number: CN116669117A
Application number: CN202210151781.9A
Authority: CN
Inventors: 周欢
Original assignee: Beijing Ziguang Zhanrui Communication Technology Co Ltd
Current assignee: Beijing Ziguang Zhanrui Communication Technology Co Ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2023-08-29

Abstract

The embodiment of the invention discloses a cell switching method and related equipment, which are applied to the field of communication, wherein in the method, a terminal receives switching configuration information which is sent by a base station and is used for indicating first uplink cell switching, and the first uplink cell is used for sending PUSCH information, SRS information or PRACH information; the terminal determines a PUCCH cell for transmitting PUCCH information according to the switching configuration information; and the terminal sends the PUCCH information to the base station on the PUCCH cell. With the above cell switching method, the terminal can determine a PUCCH cell for transmitting PUCCH information using the switching configuration information.

Description

Cell switching method and related equipment

Technical Field

The present invention relates to the field of communications technologies, and in particular, to a cell handover method and related devices.

Background

Currently, when a base station instructs a terminal to perform an uplink cell handover, the uplink cell is a cell for transmitting information (for transmitting Physical uplink shared channel (Physical Uplink shared Channel, PUSCH) information, sounding reference signal (Sounding reference signal, SRS) information, physical Random Access Channel (PRACH) information, or the like, and the base station cannot instruct which uplink cell to use for transmitting Physical uplink control channel (Physical Uplink Control Channel, PUCCH) information, so there is a need to solve the above-mentioned problems.

Disclosure of Invention

The embodiment of the invention provides a cell switching method and related equipment, wherein a terminal can determine a PUCCH cell for transmitting PUCCH information by using switching configuration information.

In a first aspect, an embodiment of the present invention provides a cell handover method, including the following steps: receiving switching configuration information sent by a base station and used for indicating switching of a first uplink cell, wherein the first uplink cell is used for sending PUSCH information, SRS information or PRACH information; determining a PUCCH cell for transmitting PUCCH information according to the switching configuration information; and sending the PUCCH information to the base station on the PUCCH cell.

Optionally, determining the PUCCH cell according to the handover configuration information specifically includes the following steps:

when the switching configuration information is RRC configuration information, the RRC configuration information comprises uplink cell configuration information which corresponds to a preset time unit and is used for indicating at least one first uplink cell, and a cell with the minimum or maximum cell index in the at least one first uplink cell is determined to be a PUCCH cell.

the uplink cell configuration information is further used for determining that an uplink carrier corresponding to a cell with the smallest or largest cell index in at least one first uplink cell is a PUCCH carrier corresponding to a PUCCH cell when indicating the uplink carrier corresponding to each first uplink cell in at least one first uplink cell;

At this time, PUCCH information is transmitted to the base station on the PUCCH cell, specifically comprising the steps of:

and transmitting the PUCCH information to the base station on the PUCCH carrier corresponding to the PUCCH cell.

Optionally, the uplink cell configuration information is further used for indicating a maximum number of transmitting antenna ports corresponding to each first uplink cell in at least one first uplink cell.

and when the RRC configuration information further comprises corresponding PUCCH cell indication information in the preset time unit, the PUCCH cell indication information is used for indicating one of the at least one first uplink cell as the PUCCH cell, and the PUCCH cell is determined according to the PUCCH cell indication information.

the uplink cell configuration information is further used for indicating that one uplink carrier of the uplink carrier corresponding to the at least one first uplink cell is a PUCCH carrier corresponding to the PUCCH cell when the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell is indicated, and determining the PUCCH carrier corresponding to the PUCCH cell according to the PUCCH cell indication information.

Optionally, the uplink cell configuration information includes a carrier index of an uplink carrier corresponding to each of the at least one first uplink cell.

Optionally, the uplink cell configuration information includes a cell index of each of the at least one first uplink cell.

when the handover configuration information is MAC-CE configuration information, the MAC-CE configuration information is configured to instruct at least one activated first uplink cell, and determine a cell with a minimum or maximum cell index in the at least one activated first uplink cell as a PUCCH cell.

the MAC-CE configuration information is further used for determining that the uplink carrier corresponding to the cell with the smallest or largest cell index in the at least one activated first uplink cell is the PUCCH carrier corresponding to the PUCCH cell when the uplink carrier corresponding to each first uplink cell in the at least one activated first uplink cell is indicated;

the MAC-CE configuration information further indicates that, when one of the at least one activated first uplink cell is a PUCCH cell, the PUCCH cell is determined according to the MAC-CE configuration information.

and when the MAC-CE configuration information further indicates that one of the uplink carriers corresponding to the at least one activated first uplink cell is the PUCCH carrier corresponding to the PUCCH cell, determining the PUCCH carrier corresponding to the PUCCH cell according to the MAC-CE configuration information.

Optionally, the MAC-CE configuration information includes an active cell bit indicating the active first uplink cell and a PUCCH cell bit indicating the PUCCH cell.

Optionally, the MAC-CE configuration information includes a carrier index of an uplink carrier corresponding to each of the at least one activated first uplink cell.

Optionally, the MAC-CE configuration information includes a cell index of each of the at least one activated first uplink cell.

when the handover configuration information is downlink control information, the downlink control information is used for indicating at least one first uplink cell, determining a cell with a minimum or maximum cell index in the at least one first uplink cell as a PUCCH cell, or determining an uplink cell configured by the base station and used for transmitting the PUCCH information as a PUCCH cell.

and when the downlink control information further indicates the uplink carrier corresponding to each first uplink cell in at least one first uplink cell, determining the uplink carrier corresponding to the cell with the minimum or maximum cell index, or determining the uplink carrier corresponding to the uplink cell configured by the base station and used for sending the PUCCH information as the PUCCH carrier corresponding to the PUCCH cell.

Optionally, the cell switching method further comprises the following steps:

receiving PUCCH configuration information sent by a base station, where the PUCCH configuration information is used to indicate an uplink cell for sending PUCCH information, or the PUCCH configuration information is used to indicate an uplink carrier corresponding to the uplink cell for sending PUCCH information.

when the handover configuration information is group common-downlink control information or downlink control information without uplink scheduling data for the terminal, the downlink control information indicates at least one first uplink cell, and indicates one of the at least one first uplink cell as a PUCCH cell, and the PUCCH cell is determined according to the downlink control information.

Optionally, the downlink control information includes at least one first bit, the at least one first bit corresponds to the at least one first uplink cell one-to-one, and one first bit in the at least one first bit indicates that the first uplink cell to which the bit corresponds is used as the PUCCH cell.

the downlink control information further indicates an uplink carrier corresponding to each first uplink cell in the at least one first uplink cell, and indicates that one of the uplink carriers corresponding to the at least one first uplink cell is a PUCCH carrier corresponding to the PUCCH cell, and determines the PUCCH carrier corresponding to the PUCCH cell according to the downlink control information.

Optionally, the downlink control information includes at least one second bit, where the at least one second bit corresponds to an uplink carrier corresponding to the at least one first uplink cell, and one second bit in the at least one second bit indicates that an uplink carrier corresponding to the first uplink cell corresponding to the bit is used as a PUCCH carrier corresponding to the PUCCH cell.

In a second aspect, there is also provided a cell handover method, including the steps of:

Transmitting switching configuration information for indicating switching of a first uplink cell to a terminal, wherein the first uplink cell is used for transmitting PUSCH information, SRS information or PRACH information, so that the terminal determines a PUCCH cell for transmitting PUCCH information according to the switching configuration information;

and receiving the PUCCH information sent by the terminal on the PUCCH cell.

Optionally, the handover configuration information is RRC configuration information, where the RRC configuration information includes uplink cell configuration information corresponding to a preset time unit and used to indicate at least one first uplink cell, and a cell with a minimum or maximum cell index in the at least one first uplink cell is a PUCCH cell.

Optionally, the receiving terminal sends PUCCH information on a PUCCH cell, specifically including the following steps:

and the received uplink cell configuration information is also used for indicating the PUCCH information sent by the terminal on the uplink carrier corresponding to the cell with the minimum or maximum cell index in at least one first uplink cell when the uplink carrier corresponding to each first uplink cell in at least one first uplink cell.

and when receiving the RRC configuration information further comprises corresponding PUCCH cell indication information in a preset time unit, the PUCCH cell indication information is used for indicating one of at least one first uplink cell as a PUCCH cell, and the terminal sends the PUCCH information on the PUCCH cell determined according to the PUCCH cell indication information.

and when the received uplink cell configuration information is further used for indicating the uplink carrier corresponding to each first uplink cell in at least one first uplink cell, the PUCCH cell indication information is used for indicating that one uplink carrier of the uplink carrier corresponding to the at least one first uplink cell is the PUCCH carrier corresponding to the PUCCH cell, and the terminal sends PUCCH information on the PUCCH carrier corresponding to the PUCCH cell determined according to the PUCCH cell indication information.

Optionally, the handover configuration information is MAC-CE configuration information, where the MAC-CE configuration information indicates at least one activated first uplink cell, and a cell with a minimum or maximum cell index in the at least one activated first uplink cell is a PUCCH cell.

and when receiving the uplink carrier corresponding to each first uplink cell in the at least one activated first uplink cell, the terminal sends PUCCH information on the uplink carrier corresponding to the cell with the minimum or maximum cell index in the at least one activated first uplink cell.

and when receiving the MAC-CE configuration information and indicating one of the at least one activated first uplink cell as the PUCCH cell, the terminal determines the PUCCH information sent on the PUCCH cell according to the MAC-CE configuration information.

and when receiving the MAC-CE configuration information and indicating that one uplink carrier in the uplink carriers corresponding to the at least one activated first uplink cell is the PUCCH carrier corresponding to the PUCCH cell, the terminal sends PUCCH information on the PUCCH carrier corresponding to the PUCCH cell determined according to the MAC-CE configuration information.

Optionally, the handover configuration information is downlink control information, where the downlink control information is used to indicate at least one first uplink cell, and a cell with a minimum or maximum cell index in the at least one first uplink cell is a PUCCH cell, or an uplink cell indicated by the PUCCH configuration information is a PUCCH cell.

and when receiving the downlink control information and indicating the uplink carrier corresponding to each first uplink cell in at least one first uplink cell, the terminal sends PUCCH information on the uplink carrier corresponding to the cell with the minimum or maximum cell index or the uplink carrier corresponding to the uplink cell indicated by the PUCCH configuration information.

Optionally, the cell switching method further comprises the following steps:

and sending PUCCH configuration information to the terminal, wherein the PUCCH configuration information is used for indicating an uplink cell used for sending the PUCCH information by the terminal or indicating an uplink carrier corresponding to the uplink cell used for sending the PUCCH information by the terminal.

In a third aspect, there is also provided a terminal, including:

the receiving module is used for receiving switching configuration information which is sent by the base station and used for indicating the switching of a first uplink cell, wherein the first uplink cell is used for sending Physical Uplink Shared Channel (PUSCH) information, sounding Reference Signal (SRS) information or Physical Random Access Channel (PRACH) information;

a determining module, configured to determine, according to the handover configuration information, a PUCCH cell for transmitting physical uplink control channel PUCCH information;

and the sending module is used for sending the PUCCH information to the base station on the PUCCH cell.

In a fourth aspect, a chip is further provided, where the chip is configured to receive handover configuration information sent by a base station and used to instruct handover of a first uplink cell, where the first uplink cell is configured to send PUSCH information, SRS information, or PRACH information;

the chip is also used for determining a Physical Uplink Control Channel (PUCCH) cell for transmitting PUCCH information according to the switching configuration information;

and the chip is also used for sending the PUCCH information to the base station on the PUCCH cell.

In a fifth aspect, a chip module is provided, including a transceiver component and a chip,

the chip is used for receiving switching configuration information which is sent by the base station and used for indicating the switching of a first uplink cell through the receiving and transmitting component, wherein the first uplink cell is used for sending Physical Uplink Shared Channel (PUSCH) information, sounding Reference Signal (SRS) information or Physical Random Access Channel (PRACH) information;

and the chip is also used for sending the PUCCH information to the base station on the PUCCH cell through the transceiver component.

In a sixth aspect, there is also provided a base station, including:

a sending module, configured to send, to a terminal, handover configuration information for indicating handover of a first uplink cell, where the first uplink cell is configured to send PUSCH information, SRS information, or PRACH information, so that the terminal determines, according to the handover configuration information, a PUCCH cell for sending PUCCH information;

And the receiving module is used for receiving the PUCCH information sent by the terminal on the PUCCH cell.

In a seventh aspect, there is also provided a cell switching apparatus, including: a processor and a memory;

the processor is connected to a memory, wherein the memory is adapted to store program code, and the processor is adapted to invoke the program code to perform the cell handover method according to the first and/or second aspect.

In an eighth aspect, there is also provided a computer storage medium storing a computer program comprising program instructions which, when executed by a processor, perform the cell handover method according to the first and/or second aspects.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic flow chart of a cell handover method according to an embodiment of the present invention;

Fig. 2 is an interactive flow diagram of a cell handover method according to an embodiment of the present application;

fig. 3 is a schematic diagram of MAC-CE configuration information according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of a terminal according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a base station according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a cell switching device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application.

It should be understood that the terms first, second, and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the described embodiments of the invention may be combined with other embodiments.

The cell switching method shown in this embodiment may be applied to a terminal (i.e., a User terminal or User Equipment UE) or a base station, where the terminal includes, but is not limited to, an electronic device such as a mobile phone, a tablet computer, a wearable device, a sensor, an internet of things device, a multimedia device, a streaming media device, and the like. Including but not limited to, base stations in a communication system such as 4G base stations, 5G base stations, 6G base stations, and the like. Wherein the base station may communicate with the terminal.

Illustratively, the uplink physical channels defined by 5G mainly include three types of physical uplink shared channel (The Physi cal Uplink Shared Channel, PUSCH), physical uplink control channel (The Physi cal Uplink Control Channel, PUCCH), and physical random access channel (The physi cal Random Access Channel, PRACH). The uplink physical channels adopt QPSK, 16QAM, 64 QAM M and 256QAM modulation modes. Wherein, the PUCCH is used for carrying uplink control information. The PUSCH is used to carry uplink user information and higher layer signaling. The PRACH is used for carrying the sending of the random access preamble sequence, and the base station establishes uplink synchronization through the detection of the sequence and subsequent signaling communication.

In addition, in wireless communication, a sounding reference signal (Sounding reference signal, SRS) is used for estimating uplink channel frequency domain information and performing frequency selective scheduling; the method is used for estimating the downlink channel and performing downlink beam shaping. And downlink control information (Downlink control information, DCI) is a special set of information that schedules a downlink data channel (e.g., physical downlink shared channel, physical downlink shared channel, PDSCH) or an uplink data channel (e.g., PUSCH).

Referring to fig. 1 and fig. 2, fig. 1 is a schematic flow chart of a cell handover method according to an embodiment of the present invention, and fig. 2 is an interactive flow chart of a cell handover method according to an embodiment of the present invention; the cell switching method provided by the embodiment of the invention is applied to the terminal and comprises the following steps:

101. the terminal receives switching configuration information sent by the base station and used for indicating switching of a first uplink cell, wherein the first uplink cell is used for sending information such as PUSCH information, SRS information or PRACH information, in other words, the switching configuration information is not used for switching PUCCH cells.

Accordingly, on the side of the base station 201, the base station transmits the above-described handover configuration information to the terminal.

102. And the terminal determines a PUCCH cell for transmitting the PUCCH information according to the switching configuration information.

Specifically, terminal 202 determines a PUCCH cell using the received handover configuration information.

103. And the terminal sends the PUCCH information to the base station on the PUCCH cell.

Accordingly, the base station receives PUCCH information transmitted by the terminal on the PUCCH cell.

By using the cell switching method shown in fig. 1, unlike the prior art that the PUCCH cell cannot be determined when the first uplink cell is switched, the embodiment of the present invention can determine the PUCCH cell based on the switching configuration information, so that the terminal can send PUCCH information to the base station on the PUCCH cell, and effectively improve the communication efficiency between the terminal and the base station.

In one possible embodiment, step 102 specifically includes the steps of:

when the handover configuration information is radio resource control (Radio Resource Control) RRC configuration information, the RRC configuration information includes uplink cell configuration information corresponding to a preset time unit and used for indicating at least one first uplink cell, and it is determined that a cell with a minimum or maximum cell index in the at least one first uplink cell is a PUCCH cell.

Specifically, when the base station indicates the first uplink cell to switch through the RRC configuration information, the RRC configuration information includes uplink cell configuration information corresponding to a preset time unit and used for indicating at least one first uplink cell, where the RRC configuration information may include uplink cell configuration information corresponding to at least one preset time unit, and the specific size of the preset time unit may be set according to an actual situation. The terminal can determine the PUCCH cell corresponding to a preset time unit according to the uplink cell configuration information corresponding to the preset time unit.

In one possible embodiment, the uplink cell configuration information includes a cell index of each of the at least one first uplink cell. Briefly, a first uplink cell is indicated by a cell index. The cell index may be a cell physical ID, which may be composed of at least one of numbers, letters, special characters, etc., for example, a cell physical ID composed of numbers such as 0, 1, 2, 3, etc.

Example 1: in this example, the cell with the smallest carrier index is taken as a PUCCH cell. Assuming that the terminal has 2 transmit antennas, 2 carrier switching patterns (pattern 0 and pattern 1), which can be understood as the above RRC configuration information, need to be configured. Each carrier switching pattern contains cell index information of the first uplink cell within 5 (exemplary) corresponding reference carrier time slot (slot) lengths (which can be understood as preset time units), and refer to table 1.

TABLE 1

Pattern 0	cell index＝1	NA	cell index＝1	cell index＝0	cell index＝0
						Pattern 1	cell index＝2	cell index＝2	cell index＝3	cell index＝1	cell index＝0
Reference carrier time slots	0	1	2	3	4

As shown in table 1, the cell index represents the cell index of the first uplink cell, where:

the uplink cell configuration information corresponding to slot0 is { cell index=1 } and { cell index=2 }, that is, the terminal may send uplink on the first uplink cell 1 and send uplink on the first uplink cell 2. At this time, the terminal may determine to transmit PUCCH information on the first uplink cell 1 according to the cell index, that is, the first uplink cell 1 is a PUCCH cell.

The uplink cell configuration information corresponding to slot1 is { NA } and { cell index=2 }, i.e. the terminal may send uplink on the first uplink cell 2 and may not send uplink on other cells. Also at this time, the terminal may determine to transmit PUCCH information on the first uplink cell 2.

The uplink cell configuration information corresponding to slot2 is { cell index=1 } and { cell index=3 }, that is, the terminal may send uplink on the first uplink cell 1 and send uplink on the first uplink cell 3. At this time, the terminal may determine to transmit PUCCH information on the first uplink cell 1.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, the uplink cell configuration information may indicate, in addition to the first uplink cell, an uplink carrier corresponding to the first uplink cell, and at this time, a PUCCH carrier for transmitting PUCCH information may be determined according to the RRC configuration information, that is, an uplink carrier corresponding to a cell with a minimum or maximum cell index in at least one first uplink cell is a PUCCH carrier. In particular, when there are a plurality of cell indexes as minimum or maximum, an uplink carrier having the minimum or maximum carrier index is determined as a PUCCH carrier.

In a possible embodiment, the uplink cell configuration information includes a carrier index of an uplink carrier corresponding to each of the at least one first uplink cell.

Specifically, in the uplink cell configuration information, the uplink carrier is identified by using a carrier index of the uplink carrier, where the carrier index may be a carrier ID, and the carrier ID may be composed of at least one of a number, a letter, a special character, etc., for example, the carrier ID is composed of a number, such as 0, 1, 2, 3, etc.

Example 2: in this example, the uplink carrier corresponding to the cell with the smallest carrier index is taken as the PUCCH carrier corresponding to the PUCCH cell. Assuming that the terminal has 2 transmit antennas, 2 carrier switching patterns (pattern 0 and pattern 1), which can be understood as the above RRC configuration information, need to be configured. Each carrier switching pattern includes cell index information of the first uplink cell within 5 (exemplary) corresponding reference carrier time slot lengths (which may be understood as preset time units) and carrier index information of the uplink carrier corresponding to the first uplink carrier, referring to table 2.

TABLE 2

As shown in table 2, the cell index represents a cell index of the first uplink cell, and the carrier index represents a carrier index of an uplink carrier corresponding to the first uplink cell, where:

The uplink cell configuration information corresponding to slot0 is { cell index=1, carrier index=0 } and { cell index=2, carrier index=0 }, that is, the terminal may send uplink on carrier 0 of the first uplink cell 1 and send uplink on carrier 0 of the first uplink cell 2. At this time, the terminal may determine, according to the cell index, to transmit PUCCH information on carrier 0 of the first uplink cell 1, that is, the first uplink cell 1 is a PUCCH cell, and carrier 0 is a PUCCH carrier.

The uplink cell configuration information corresponding to slot1 is { NA } and { cell index=2, carrier index=0 }, i.e. the terminal may send uplink on carrier 0 of the first uplink cell 2, and may not send uplink on other cells. Also at this time, the terminal may determine to transmit PUCCH information on carrier 0 of the first uplink cell 2.

The uplink cell configuration information corresponding to slot2 is { cell index=1, carrier index=0 } and { cell index=3, carrier index=0 }, that is, the terminal may send uplink on carrier 0 of the first uplink cell 1 and send uplink on carrier 0 of the first uplink cell 3. At this time, the terminal may determine to transmit PUCCH information on carrier 0 of the first uplink cell 1.

In a possible embodiment, the uplink cell configuration information is further used to indicate a maximum number of transmit antenna ports corresponding to each of the at least one first uplink cell.

Example 3: in this case, each carrier switching pattern includes cell index information of the first uplink cell and the maximum number of transmit antenna ports corresponding to the first uplink cell within 5 (exemplary) corresponding reference carrier time slot lengths (which may be understood as preset time units), as shown in table 3.

TABLE 3 Table 3

As shown in table 3, the cell index represents a cell index of the first uplink cell, and max antenna ports represents a maximum number of transmit antenna ports corresponding to the first uplink cell, where:

the uplink cell configuration information corresponding to slot0 is { cell index=1, maximum number of transmitting antenna ports=1 } and { cell index=2, maximum number of transmitting antenna ports=1 }, i.e. the terminal may transmit uplink with maximum 1 antenna port on the first uplink cell 1 and transmit uplink with maximum 1 antenna port on the first uplink cell 2. At this time, the terminal may determine to transmit PUCCH information on the first uplink cell 1 according to the cell index.

The uplink cell configuration information corresponding to slot2 is { cell index=1, maximum number of transmitting antenna ports=2 } and { cell index=3, maximum number of transmitting antenna ports=1 }, i.e. the terminal may transmit uplink with maximum 2 antenna ports on the first uplink cell 1 and transmit uplink with maximum 1 antenna port on the first uplink cell 3. Since the terminal has only two transmitting antennas, i.e. the maximum concurrency capability of the terminal is only two, the maximum transmitting capability of the terminal cannot be exceeded when the base station schedules or configures uplink transmission, and although the RRC configuration information is configured to exceed the maximum transmitting capability of the terminal, uplink transmission is not allowed to be simultaneously performed with 2 antenna ports on the first uplink cell 1 and 1 antenna on the first uplink cell 3. If 2 first uplink cells are scheduled or configured concurrently, only uplink can be sent with 1 antenna port on the first uplink cell 1 and 1 antenna on the first uplink cell 3. If only 1 cell is scheduled or configured to transmit uplink, the uplink may be transmitted with 2 ports on the first uplink cell 1. At this time, the terminal may determine to transmit PUCCH information on the first uplink cell 1.

Example 4: this example corresponds to example 2. At this time, each carrier switching pattern includes cell index information of the first uplink cell, carrier index information of the uplink carrier corresponding to the first uplink carrier, and the maximum number of transmit antenna ports corresponding to the first uplink cell within 5 (exemplary) corresponding reference carrier time slot lengths (which may be understood as a preset time unit), which are referred to in table 4.

TABLE 4 Table 4

As shown in table 4, the cell index represents a cell index of the first uplink cell, the carrier index represents a carrier index of an uplink carrier corresponding to the first uplink cell, and max antenna ports represents a maximum number of transmit antenna ports corresponding to the first uplink cell, where:

the uplink cell configuration information corresponding to slot0 is { cell index=1, carrier index=0, maximum number of transmitting antenna ports=1 } and { cell index=2, carrier index=0, maximum number of transmitting antenna ports=1 }, that is, the terminal may transmit uplink with maximum 1 antenna port on carrier 0 of the first uplink cell 1 and transmit uplink with maximum 1 antenna port on carrier 0 of the first uplink cell 2. At this time, the terminal may determine to transmit PUCCH information on carrier 0 of the first uplink cell 1 according to the cell index.

The uplink cell configuration information corresponding to slot2 is { cell index=1, carrier index=0, maximum number of transmitting antenna ports=2 } and { cell index=3, carrier index=0, maximum number of transmitting antenna ports=1 }, that is, the terminal may transmit uplink with maximum 2 antenna ports on carrier 0 of the first uplink cell 1 and transmit uplink with maximum 1 antenna port on carrier 0 of the first uplink cell 3. At this time, the terminal may determine to transmit PUCCH information on carrier 0 of the first uplink cell 1. Referring to example 3, similarly, in example 4, uplink transmission with 2 antenna ports on carrier 0 of the first uplink cell 1 and 1 antenna on carrier 0 of the first uplink cell 2 is not allowed at the same time.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, the RRC configuration information may also configure the PUCCH cell within each preset time unit, i.e. with PUCCH cell indication information. Namely, the RRC configuration information at this time includes uplink cell configuration information and PUCCH cell indication information corresponding to the preset time unit and used for indicating at least one first uplink cell.

For example, assuming that there are 5 preset time units, the RRC configuration information includes information of 5 preset time units:

{ { cell index of one or more first uplink cells, PUCCH cell indication information }, { cell index of one or more first uplink cells, PUCCH cell indication information }.

Or alternatively, the process may be performed,

{ { cell index and maximum number of transmit antenna ports of one or more first uplink cells, PUCCH cell indication information }, { cell index and maximum number of transmit antenna ports of one or more first uplink cells, PUCCH cell indication information }.

Example 5: the base station may configure different subcarrier spacings for different carriers for communication. The base station may configure a carrier switching pattern (carrier swithcing config pattern) based on a predetermined slot structure to enable the terminal to know in accordance with the pattern which cell or cells should perform uplink transmission and on which cell PUCCH information should be transmitted, for example:

the uplink cell configuration information corresponding to slot0 is { cell index=1 } and { cell index=2 }, and { PUCCH cell=1 }, that is, the terminal may send uplink in the first uplink cell 1 and the first uplink cell 2, and send PUCCH information in the first uplink cell 1.

The uplink cell configuration information corresponding to slot1 is { cell index=2 }, and { PUCCH cell=2 }, that is, the terminal may send uplink in the first uplink cell 2 and send PUCCH information in the first uplink cell 2.

The uplink cell configuration information corresponding to slot2 is { cell index=1 } and { cell index=3 }, and { PUCCH cell=1 }, that is, the terminal may send uplink in the first uplink cell 1 and the first uplink cell 3, and send PUCCH information in the first uplink cell 1.

Example 6: the uplink cell configuration information corresponding to slot0 is { cell index=1, maximum number of transmitting antenna ports=1 } and { cell index=2, maximum number of transmitting antenna ports=1 }, { PUCCH cell=1 }, that is, the terminal may transmit uplink on the first uplink cell 1 and the first uplink cell 2, and transmit PUCCH information on the first uplink cell 1.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, when the uplink cell configuration information indicates an uplink carrier corresponding to each first uplink cell, the PUCCH cell indication information may indicate a PUCCH carrier corresponding to the PUCCH cell, where the PUCCH carrier is one of uplink carriers corresponding to at least one first uplink cell indicated by the uplink cell configuration information.

{ { cell index and carrier index of one or more first uplink cells, PUCCH cell indication information }, { cell index and carrier index of one or more first uplink cells, PUCCH cell indication information }.

Or alternatively, the process may be performed,

{ { cell index, carrier index and maximum number of transmit antenna ports of one or more first uplink cells, PUCCH cell indication information }, { cell index, carrier index and maximum number of transmit antenna ports of one or more first uplink cells, PUCCH cell indication information }.

The PUCCH cell indication information at this time indicates a PUCCH cell and a PUCCH carrier.

Example 7: the uplink cell configuration information corresponding to slot0 is { cell index=1, carrier index=0 } and { cell index=2, carrier index=0 }, { PUCCH cell=1, carrier index=0 }, that is, the terminal may send uplink on carrier 0 of the first uplink cell 1 and carrier 0 of the first uplink cell 2, and send PUCCH information on carrier 0 of the first uplink cell 1.

The uplink cell configuration information corresponding to slot1 is { cell index=2, carrier index=0 }, { PUCCH cell=2, carrier index=0 }, that is, the terminal may send uplink on carrier 0 of the first uplink cell 2 and send PUCCH information on carrier 0 of the first uplink cell 2.

The uplink cell configuration information corresponding to slot2 is { cell index=1, carrier index=0 } and { cell index=3, carrier index=0 }, { PUCCH cell=1, carrier index=0 }, that is, the terminal may send uplink on carrier 0 of the first uplink cell 1 and carrier 0 of the first uplink cell 3, and send PUCCH information on carrier 0 of the first uplink cell 1.

Example 8: the uplink cell configuration information corresponding to slot0 is { cell index=1, carrier index=0, maximum number of transmitting antenna ports=1 } and { cell index=2, carrier index=0, maximum number of transmitting antenna ports=1 }, { PUCCH cell=1, carrier index=0 }, that is, the terminal may transmit uplink with maximum 1 antenna port on carrier 0 of the first uplink cell 1, maximum 1 antenna port on carrier 0 of the first uplink cell 2, and transmit PUCCH information on carrier 0 of the first uplink cell 1.

In one possible embodiment, step 102 specifically includes the steps of:

When the handover configuration information is media access Control-Control Element (Medium Access Control-Control Element) MAC-CE configuration information, the MAC-CE configuration information is used to indicate at least one activated first uplink cell, and determine that a cell with a minimum or maximum cell index in the at least one activated first uplink cell is a PUCCH cell.

Specifically, the MAC-CE configuration information sent by the base station indicates at least one activated first uplink cell, and the terminal may determine a PUCCH cell according to the MAC-CE configuration information, that is, a cell with a minimum or maximum cell index in the at least one activated first uplink cell is determined as the PUCCH cell.

In one possible embodiment, the MAC-CE configuration information includes a cell index of each of the at least one activated first uplink cell.

Likewise, referring to the RRC configuration information, the cell index is also used in the MAC-CE configuration information to identify different first uplink cells.

Example 9: the present example takes as an example the determination of the PUCCH cell as the cell with the smallest cell index in the at least one activated first uplink cell. Suppose that the terminal configures 4 first uplink cells, cell 0-cell 3. When the MAC-CE configuration information indicates that cell 0 and cell 1 are used for transmitting uplink (i.e., cell 0 and cell 1 are the first uplink cells), it may be determined that cell 0 is used for transmitting PUCCH information.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, when the MAC-CE configuration information indicates an uplink carrier corresponding to the first uplink cell, the terminal may determine, when determining a cell for transmitting PUCCH information, a level of the uplink carrier, that is, determine, as a PUCCH carrier corresponding to a PUCCH cell, an uplink carrier corresponding to a cell with a minimum or maximum cell index in at least one activated first uplink cell, and transmit PUCCH information on the PUCCH carrier. In particular, when there are a plurality of cell indexes as minimum or maximum, an uplink carrier having the minimum or maximum carrier index is determined as a PUCCH carrier.

In a possible embodiment, the MAC-CE configuration information includes a carrier index of an uplink carrier corresponding to each of the at least one activated first uplink cell. In particular, reference may be made to a description of a carrier index in RRC configuration information.

Example 10: in this example, the uplink carrier corresponding to the cell with the smallest cell index in the at least one activated first uplink cell is determined as the PUCCH carrier corresponding to the PUCCH cell. 4 cells are configured, each containing carriers 0 and 1. When the MAC-CE indicates that cell 0 carrier 0 and cell 1 carrier 1 are used for transmitting uplink, it may be determined that cell 0 carrier 0 is used for transmitting PUCCH information.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, the MAC-CE configuration information indicates, in addition to at least one activated first uplink cell, that one of the at least one activated first uplink cell is a PUCCH cell, and at this time, the terminal may determine the PUCCH cell according to the indication of the MAC-CE configuration information.

In one possible embodiment, the MAC-CE configuration information includes an active cell bit indicating an active first uplink cell and a PUCCH cell bit indicating a PUCCH cell.

Specifically, the present embodiment provides a method for indicating an activated first uplink cell and a PUCCH cell, where each activated cell bit corresponds to a first uplink cell, and when the activated cell bit is a first specific value (e.g. 1 or 0), it indicates that the first uplink cell corresponding to the activated cell bit is activated or switched to the first uplink cell corresponding to the activated cell bit. And when the active cell bit is a second specific value (e.g., 0 or 1, when the first specific value is 0, the second specific value is 1, and when the first specific value is 1, the second specific value is 0), it indicates that the first uplink cell corresponding to the active cell bit is deactivated (i.e., not activated) or not switched to the first uplink cell corresponding to the active cell bit.

Similarly, each PUCCH cell bit corresponds to a first uplink cell, and when the PUCCH cell bit is a third specific value (e.g. 1 or 0), it indicates that the first uplink cell corresponding to the PUCCH cell bit is used for transmitting PUCCH information. And when the PUCCH cell bit is a fourth specific value (e.g. 0 or 1, when the third specific value is 0, the fourth specific value is 1; and when the third specific value is 1, the fourth specific value is 0), it indicates that the first uplink cell corresponding to the PUCCH cell bit is not used for transmitting PUCCH information.

In a possible embodiment, determining the PUCCH cell according to the handover configuration information specifically includes the following steps:

Specifically, the MAC-CE configuration information may also be a PUCCH carrier corresponding to the PUCCH cell, where the PUCCH carrier is one of the uplink carriers corresponding to the at least one activated first uplink cell.

In one possible embodiment, the MAC-CE configuration information includes a third bit indicating an uplink carrier corresponding to the activated first uplink cell and a fourth bit indicating a PUCCH carrier corresponding to the PUCCH cell.

Specifically, this embodiment provides a method for indicating an uplink carrier corresponding to an activated first uplink cell and a PUCCH carrier corresponding to a PUCCH cell, where each third bit corresponds to an uplink carrier corresponding to a first uplink cell, and when the third bit is a first specific value (e.g. 1 or 0), it indicates that the uplink carrier corresponding to the first uplink cell corresponding to the third bit is activated or switched to the uplink carrier corresponding to the first uplink cell corresponding to the third bit. And when the third bit is a second specific value, it indicates that the uplink carrier corresponding to the first uplink cell corresponding to the third bit is deactivated (i.e. not activated) or not switched to the uplink carrier corresponding to the first uplink cell corresponding to the third bit.

Similarly, each fourth bit corresponds to an uplink carrier corresponding to a first uplink cell, and when the fourth bit is a third specific value, it indicates that the uplink carrier corresponding to the first uplink cell corresponding to the fourth bit is used for transmitting PUCCH information. And when the fourth bit is a fourth specific value, indicating that the uplink carrier corresponding to the first uplink cell corresponding to the fourth bit is not used for transmitting the PUCCH information.

Example 11: this example takes the first and third specific values as 1 and the second and fourth specific values as 0 as an example. Referring to fig. 3, fig. 3 is a schematic diagram of MAC-CE configuration information according to an embodiment of the present invention; c in FIG. 3 ₀ -C ₇ Byte 1 (Oct 1) represents the activated or switched first uplink cell or the uplink carrier corresponding to the first uplink cell, respectively, and when the corresponding bit is set to 1, the cell corresponding to the bit is activated or switched to the corresponding cell, or the carrier corresponding to the cell corresponding to the bit is activated or switched to the carrier corresponding to the corresponding cell. When the corresponding bit is set to 0, the corresponding cell is deactivated or not switched to the corresponding cell, or the carrier corresponding to the cell corresponding to the bit is deactivated or not switched to the carrier corresponding to the corresponding cell. And C is ₈ -C ₁₅ Byte 2 (Oct 2) represents which first uplink cell or uplink carrier corresponding to the first uplink cell transmits PUCCH information, and when the corresponding bit is set to 1, represents that the corresponding first uplink cell is used to transmit PUCCH information, or,the uplink carrier corresponding to the corresponding first uplink cell is represented to be used for sending PUCCH information; when the corresponding bit is set to 0, it represents that the corresponding first uplink cell is not used to transmit PUCCH information, or it represents that the uplink carrier corresponding to the corresponding first uplink cell is not used to transmit PUCCH information.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, when the handover configuration information is downlink control information, the downlink control information indicates at least one first uplink cell, and the terminal may determine a PUCCH cell according to the downlink control information, for example, a cell having a smallest or largest cell index among the at least one first uplink cell indicated by the downlink control information is determined as a PUCCH cell. Or when the handover configuration information is downlink control information, the terminal uses an uplink cell configured by the base station for transmitting the PUCCH information as a PUCCH cell.

Further, the downlink control information may indicate a first uplink cell by carrying a cell index.

Example 12: in this example, taking the cell with the smallest cell index as the PUCCH cell as an example, it is assumed that 4 first uplink cells, such as cell 0 to cell 3, are configured for the terminal. When the DCI signaling indicates to switch to any one of the first uplink cells, cell 0 is adopted by default for transmitting PUCCH information.

Example 13: in this example, taking a higher layer, such as a base station, to configure cell 0 as a PUCCH cell, it is assumed that 4 first uplink cells, such as cell 0 to cell 3, are configured for the terminal. When the DCI signaling indicates to switch to any one of the first uplink cells, cell 0 configured by the base station is adopted for transmitting PUCCH information.

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, the downlink control information may further indicate an uplink carrier corresponding to each first uplink cell in at least one first uplink cell, where the terminal determines, according to the downlink control information, an uplink carrier corresponding to a cell with a minimum or maximum cell index, or an uplink carrier corresponding to an uplink cell configured by the base station to transmit PUCCH information, as a PUCCH carrier corresponding to a PUCCH cell. In particular, when there are a plurality of cell indexes as minimum or maximum, an uplink carrier having the minimum or maximum carrier index is determined as a PUCCH carrier.

Example 14: in this example, taking the uplink carrier corresponding to the cell with the smallest cell index as the PUCCH carrier corresponding to the PUCCH cell as an example, it is assumed that 4 first uplink cells, for example, cells 0 to 3, are configured for the terminal, where carriers 0 and 1 are configured on each cell. When the DCI signaling indicates handover to any one carrier, carrier 0 of cell 0 is adopted by default for transmitting PUCCH information.

Example 15: in this example, taking a higher layer, such as a base station, configuring carrier 0 of cell 0 as a PUCCH carrier corresponding to a PUCCH cell, it is assumed that 4 first uplink cells, such as cells 0-3, are configured for the terminal, where each cell is configured with carriers 0 and 1. When the DCI signaling indicates to switch to any one cell and carrier, cell 0 carrier 0 configured by the base station is still adopted for transmitting PUCCH information.

In one possible embodiment, the cell switching method further comprises the steps of:

Accordingly, the base station transmits PUCCH configuration information to the terminal.

Specifically, in the cell switching method in the embodiment of the application, the base station can configure the PUCCH cell or the PUCCH carrier, so that the terminal can quickly send PUCCH information to the base station through the PUCCH cell or the PUCCH carrier, and the communication efficiency between the base station and the terminal is improved.

In one possible embodiment, step 102 specifically includes the steps of:

when the handover configuration information is Group common-downlink control information (GC-DCI) or downlink control information (UE-specific DCI without grant) without uplink scheduling data for the terminal, the downlink control information indicates at least one first uplink cell, and indicates one of the at least one first uplink cell as a PUCCH cell, and the PUCCH cell is determined according to the downlink control information.

Specifically, when the handover configuration information is downlink control information of group common-downlink control information or terminal-specific uplink-free scheduling data, at this time, the downlink control information of the group common-downlink control information or the terminal-specific uplink-free scheduling data indicates at least one first uplink cell, and one of the at least one first uplink cell is indicated as a PUCCH cell, so that the terminal can determine the PUCCH cell according to the downlink control information of the group common-downlink control information or the terminal-specific uplink-free scheduling data.

Further, the group common-downlink control information or the terminal-specific downlink control information without uplink scheduling data may indicate one first uplink cell by a cell index.

In one possible embodiment, the downlink control information includes at least one first bit, the at least one first bit corresponds to at least one first uplink cell one by one, and one first bit of the at least one first bit indicates that the first uplink cell to which the bit corresponds is used as the PUCCH cell.

Example 16: in this example, taking 8 first uplink cells configured for the terminal as, for example, cell 0 to cell 7, in downlink control information of GC-DCI or dedicated uplink-free scheduling data of the terminal, 8 bits respectively correspond to each configured first uplink cell, referring to table 5, if a bit is set to 1, the first uplink cell corresponding to the bit is used for transmitting PUCCH information; if a bit is set to 0, the first uplink cell corresponding to the bit is not used for sending the PUCCH information.

TABLE 5

Cell 0

Cell 1

Cell 2

Cell 3

Cell 4

Cell 5

Cell 6

Cell 7

In one possible embodiment, step 102 specifically includes the steps of:

Specifically, when the handover configuration information is downlink control information of group common-downlink control information or terminal-specific uplink-free scheduling data, at this time, the downlink control information of the group common-downlink control information or the terminal-specific uplink-free scheduling data indicates an uplink carrier corresponding to at least one first uplink cell, and indicates that one of the uplink carriers corresponding to the at least one first uplink cell is a PUCCH carrier corresponding to a PUCCH cell, so that the terminal can determine the PUCCH carrier corresponding to the PUCCH cell according to the downlink control information of the group common-downlink control information or the terminal-specific uplink-free scheduling data.

Further, the downlink control information of the group common-downlink control information or the terminal-specific uplink scheduling data-free downlink control information may indicate an uplink carrier corresponding to one first uplink cell by a carrier index.

In one possible embodiment, the downlink control information includes at least one second bit, the at least one second bit corresponds to an uplink carrier corresponding to the at least one first uplink cell one by one, and one second bit of the at least one second bit indicates that an uplink carrier corresponding to the first uplink cell corresponding to the bit is used as a PUCCH carrier corresponding to the PUCCH cell.

Example 17: in this example, taking 8 first uplink cells configured for the terminal as, for example, cell 0 to cell 7, each cell is correspondingly provided with carrier 0 and carrier 1, respectively, then 16 bits respectively correspond to each configured cell and carrier in downlink control information without uplink scheduling data for GC-DCI or terminal, and every 2 bits in 16 bits sequentially correspond to the cell and its 2 carriers, refer to table 6. If a certain bit is set to be 1, an uplink carrier corresponding to a first uplink cell corresponding to the bit is used for sending PUCCH information; if a bit is set to 0, an uplink carrier corresponding to a first uplink cell corresponding to the bit is not used for sending the PUCCH information.

TABLE 6

Cell 0 carrier 0

Cell 0 carrier 1

Cell 1 carrier 0

Cell 1 Carrier 1

Based on the above embodiment of the cell switching method, the present invention further provides a terminal, and referring to fig. 4, fig. 4 is a schematic structural diagram of a terminal provided by the embodiment of the present invention; the terminal comprises a receiving module 401, a determining module 402 and a transmitting module 403, wherein:

a receiving module 401, configured to receive handover configuration information sent by a base station and used to instruct handover of a first uplink cell, where the first uplink cell is used to send PUSCH information, SRS information, or PRACH information of a physical uplink shared channel;

A determining module 402, configured to determine, according to the handover configuration information, a PUCCH cell for transmitting physical uplink control channel PUCCH information;

a transmitting module 403, configured to transmit PUCCH information to a base station on a PUCCH cell.

In some possible embodiments, the receiving module 401 is further configured to receive PUCCH configuration information sent by the base station, where the PUCCH configuration information is used to indicate an uplink cell for sending PUCCH information, or the PUCCH configuration information is used to indicate an uplink carrier corresponding to the uplink cell for sending PUCCH information.

In this embodiment, for specific description of the terminal, the description of the cell switching method applied to the terminal may be referred to, and description of beneficial effects of the same method is not repeated.

Further, based on the above embodiment of the cell switching method, the embodiment of the present application further provides a chip, configured to receive switching configuration information sent by a base station and used to instruct switching of a first uplink cell, where the first uplink cell is used to send PUSCH information of a physical uplink shared channel, SRS information or PRACH information of a physical random access channel;

In some possible embodiments, the chip is further configured to receive PUCCH configuration information sent by the base station, where the PUCCH configuration information is used to indicate an uplink cell for sending the PUCCH information, or the PUCCH configuration information is used to indicate an uplink carrier corresponding to the uplink cell for sending the PUCCH information.

In this embodiment, for specific description of the chip, description of a cell switching method applied to the terminal may be referred to, and description of beneficial effects of the same method is not repeated.

Further, based on the above embodiment of the cell switching method, the embodiment of the present application further provides a chip module, including a transceiver component and a chip,

In some possible embodiments, the chip is further configured to receive, through the transceiver component, PUCCH configuration information sent by the base station, where the PUCCH configuration information is used to indicate an uplink cell for sending PUCCH information, or the PUCCH configuration information is used to indicate an uplink carrier corresponding to the uplink cell for sending PUCCH information.

In this embodiment, for specific description of the chip module, reference may be made to description of a cell switching method applied to a terminal, and description of beneficial effects of the same method is not repeated.

Based on the above embodiment of the cell switching method, the present invention further provides a base station, and referring to fig. 5, fig. 5 is a schematic structural diagram of a base station provided by the embodiment of the present invention; the base station includes a transmitting module 501 and a receiving module 502, where:

a sending module 501, configured to send, to a terminal, handover configuration information for indicating handover of a first uplink cell, where the first uplink cell is used to send PUSCH information, SRS information, or PRACH information, so that the terminal determines, according to the handover configuration information, a PUCCH cell for sending PUCCH information;

a receiving module 502, configured to receive PUCCH information sent by a terminal on a PUCCH cell.

In some possible embodiments, the sending module 501 is further configured to send PUCCH configuration information to the terminal, where the PUCCH configuration information is used to indicate an uplink cell used by the terminal to send the PUCCH information, or indicate an uplink carrier corresponding to the uplink cell used by the terminal to send the PUCCH information.

In this embodiment, with respect to specific description of the base station, reference may be made to corresponding description of a cell handover method applied to the terminal, and description of beneficial effects of the same method is not repeated.

Further, based on the above embodiment of the cell switching method, the embodiment of the present application further provides a chip, configured to send switching configuration information for indicating switching of a first uplink cell to a terminal, where the first uplink cell is configured to send PUSCH information, SRS information, or PRACH information, so that the terminal determines a PUCCH cell for sending PUCCH information according to the switching configuration information;

the chip is also used for receiving PUCCH information sent by the terminal on the PUCCH cell.

In some possible embodiments, the chip is further configured to send PUCCH configuration information to the terminal, where the PUCCH configuration information is used to indicate an uplink cell used by the terminal to send the PUCCH information, or indicate an uplink carrier corresponding to the uplink cell used by the terminal to send the PUCCH information.

In this embodiment, with respect to specific description of the chip, reference may be made to corresponding description of a cell switching method applied to the terminal, and description of beneficial effects of the same method is not repeated.

The chip is used for sending switching configuration information for indicating switching of a first uplink cell to the terminal through the receiving and transmitting component, wherein the first uplink cell is used for sending PUSCH information, SRS information or PRACH information, so that the terminal determines a PUCCH cell for sending the PUCCH information according to the switching configuration information;

and the chip is also used for receiving the PUCCH information sent by the terminal on the PUCCH cell through the transceiver component.

In some possible embodiments, the chip is further configured to send PUCCH configuration information to the terminal through the transceiver component, where the PUCCH configuration information is used to indicate an uplink cell used by the terminal to send the PUCCH information, or indicate an uplink carrier corresponding to the uplink cell used by the terminal to send the PUCCH information.

In this embodiment, with respect to specific description of the chip module, reference may be made to corresponding description of a cell switching method applied to a terminal, and description of beneficial effects of the same method is not repeated.

Based on the above embodiment of the cell switching method, please refer to fig. 6, which is a schematic structural diagram of a cell switching device according to an embodiment of the present invention. The cell switching apparatus 600 may include: processor 601, network interface 604 and memory 605, in addition, the cell switching device 600 may further comprise: a user interface 603, and at least one communication bus 602. Wherein the communication bus 602 is used to enable connected communications between these components. The user interface 603 may include a Display screen (Display), a Keyboard (Keyboard), and the optional user interface 603 may further include a standard wired interface, a wireless interface, among others. The network interface 604 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 605 may be a high-speed RAM memory or a non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 605 may also optionally be at least one storage device located remotely from the processor 601. As shown in fig. 6, an operating system, a network communication module, a user interface module, and a device control application program may be included in the memory 605, which is one type of computer storage medium.

In the cell switching apparatus 600 shown in fig. 6, the network interface 604 may provide a network communication function; while the user interface 603 is primarily an interface for providing input to the user; and the processor 601 may be configured to invoke a device control application stored in the memory 605 to implement the steps of the cell handover method described in any of the method embodiments above.

It should be understood that the cell switching apparatus 600 described in the embodiments of the present invention may perform the cell switching method described above, and will not be described herein. In addition, the description of the beneficial effects of the same method is omitted.

Furthermore, it should be noted here that: the embodiment of the present invention further provides a computer storage medium, where the computer program includes program instructions, when executed by a processor, can perform the description of the cell handover method in any of the foregoing method embodiments, and therefore, a detailed description will not be given here. In addition, the description of the beneficial effects of the same method is omitted. For technical details not disclosed in the embodiments of the computer storage medium according to the present invention, please refer to the description of the method embodiments of the present invention.

Those skilled in the art will appreciate that implementing all or part of the above-described methods in the embodiments may be accomplished by computer programs to instruct related hardware, and the programs may be stored in a computer readable storage medium, which when executed may 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 (Random Access Memory, RAM), or the like.

The respective apparatuses and products described in the above embodiments include modules/units, which may be software modules/units, may be hardware modules/units, or may be partly software modules/units, and partly hardware modules/units. For example, for each device or product applied to or integrated on a chip, each module/unit included in the device or product may be implemented in hardware such as a circuit, or at least some modules/units may be implemented in software program, where the software program runs on a processor integrated inside the chip, and the remaining (if any) part of modules/units may be implemented in hardware such as a circuit; for each device and product that corresponds to or is integrated in the chip module, each module/unit that it contains may be implemented in hardware such as a circuit, and different modules/units may be located in the same component (e.g. a chip, a circuit module, etc.) of the chip module or in different components, or at least part/units may be implemented in a software program that runs on a processor that is integrated inside the chip module, and the rest (if any) of the modules/units may be implemented in hardware such as a circuit; for each device, product, or application to or integrated with the terminal, each module/unit included in the device, product, or application may be implemented by using hardware such as a circuit, different modules/units may be located in the same component (for example, a chip, a circuit module, or the like) or different components in the terminal, or at least part of the modules/units may be implemented by using a software program, where the software program runs on a processor integrated inside the terminal, and the remaining (if any) part of the modules/units may be implemented by using hardware such as a circuit. The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A method for cell handover, comprising the steps of:

receiving switching configuration information sent by a base station and used for indicating switching of a first uplink cell, wherein the first uplink cell is used for sending Physical Uplink Shared Channel (PUSCH) information, sounding Reference Signal (SRS) information or Physical Random Access Channel (PRACH) information;

determining a Physical Uplink Control Channel (PUCCH) cell for transmitting PUCCH information according to the switching configuration information;

and sending PUCCH information to the base station on the PUCCH cell.

2. The method of claim 1, wherein the step of determining the position of the substrate comprises,

the PUCCH cell is determined according to the switching configuration information, and the method specifically comprises the following steps:

when the handover configuration information is radio resource control RRC configuration information, the RRC configuration information includes uplink cell configuration information corresponding to a preset time unit and used for indicating at least one first uplink cell, and it is determined that a cell with a minimum or maximum cell index in the at least one first uplink cell is the PUCCH cell.

3. The method of claim 2, wherein the step of determining the position of the substrate comprises,

The uplink cell configuration information is further used for determining that an uplink carrier corresponding to a cell with the smallest or largest cell index in the at least one first uplink cell is a PUCCH carrier corresponding to the PUCCH cell when indicating the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell;

the step of sending the PUCCH information to the base station on the PUCCH cell specifically comprises the following steps:

4. A method according to claim 2 or 3, wherein the uplink cell configuration information is further used to indicate a maximum number of transmit antenna ports corresponding to each of the at least one first uplink cell.

5. The method according to claim 2 to 4, wherein,

and when the RRC configuration information further comprises PUCCH cell indication information corresponding to the preset time unit, the PUCCH cell indication information is used for indicating one of the at least one first uplink cell to be the PUCCH cell, and the PUCCH cell is determined according to the PUCCH cell indication information.

6. The method of claim 5, wherein the step of determining the position of the probe is performed,

the uplink cell configuration information is further used for indicating that one uplink carrier of the uplink carrier corresponding to the at least one first uplink cell is a PUCCH carrier corresponding to the PUCCH cell when the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell is indicated, and the PUCCH carrier corresponding to the PUCCH cell is determined according to the PUCCH cell indication information.

7. The method according to any one of claims 3 to 6, wherein the uplink cell configuration information includes a carrier index of an uplink carrier corresponding to each of the at least one first uplink cell.

8. The method according to any of claims 2 to 7, wherein the uplink cell configuration information comprises a cell index of each of the at least one of the first uplink cells.

9. The method of claim 1, wherein the step of determining the position of the substrate comprises,

When the handover configuration information is media access control-control element MAC-CE configuration information, the MAC-CE configuration information is configured to instruct at least one activated first uplink cell, and determine that a cell with a minimum or maximum cell index in the at least one activated first uplink cell is the PUCCH cell.

10. The method of claim 9, wherein the step of determining the position of the substrate comprises,

the MAC-CE configuration information is further configured to determine, when the uplink carrier corresponding to each first uplink cell in the at least one activated first uplink cell is indicated, that the uplink carrier corresponding to the cell with the smallest or largest cell index in the at least one activated first uplink cell is a PUCCH carrier corresponding to the PUCCH cell;

11. The method according to claim 9 or 10, wherein,

The MAC-CE configuration information further indicates that, when one of the at least one activated first uplink cells is the PUCCH cell, the PUCCH cell is determined according to the MAC-CE configuration information.

12. The method of claim 11, wherein the step of determining the position of the probe is performed,

and when the MAC-CE configuration information further indicates that one uplink carrier in the uplink carriers corresponding to the at least one activated first uplink cell is the PUCCH carrier corresponding to the PUCCH cell, determining the PUCCH carrier corresponding to the PUCCH cell according to the MAC-CE configuration information.

13. The method of claim 11, wherein the MAC-CE configuration information includes an active cell bit indicating the active first uplink cell and a PUCCH cell bit indicating the PUCCH cell.

14. The method according to any of claims 10 to 13, wherein the MAC-CE configuration information comprises a carrier index of an uplink carrier corresponding to each of the at least one activated first uplink cells.

15. The method according to any of claims 9 to 14, wherein the MAC-CE configuration information comprises a cell index of each of the at least one activated first uplink cells.

16. The method of claim 1, wherein the step of determining the position of the substrate comprises,

and when the switching configuration information is downlink control information, the downlink control information is used for indicating at least one first uplink cell, determining a cell with the smallest or largest cell index in the at least one first uplink cell as the PUCCH cell, or determining an uplink cell configured by the base station and used for sending the PUCCH information as the PUCCH cell.

17. The method of claim 16, wherein the step of determining the position of the probe comprises,

and when the downlink control information further indicates the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell, determining the uplink carrier corresponding to the cell with the smallest or largest cell index, or determining the uplink carrier corresponding to the uplink cell configured by the base station and used for sending the PUCCH information as the PUCCH carrier corresponding to the PUCCH cell.

18. The method according to claim 17, characterized in that the method further comprises the steps of:

Receiving PUCCH configuration information sent by the base station, where the PUCCH configuration information is used to indicate the uplink cell used to send PUCCH information, or the PUCCH configuration information is used to indicate an uplink carrier corresponding to the uplink cell used to send PUCCH information.

19. The method of claim 1, wherein the step of determining the position of the substrate comprises,

and when the switching configuration information is downlink control information without uplink scheduling data for group public-downlink control information or terminal application, the downlink control information indicates at least one first uplink cell, indicates one of the at least one first uplink cell as the PUCCH cell, and determines the PUCCH cell according to the downlink control information.

20. The method of claim 19, wherein the downlink control information includes at least one first bit, the at least one first bit corresponds to the at least one first uplink cell one-to-one, and one first bit of the at least one first bit indicates that the first uplink cell to which the bit corresponds is used as the PUCCH cell.

21. The method of claim 19, wherein the step of determining the position of the probe comprises,

and when one of the uplink carriers corresponding to the at least one first uplink cell is indicated to be the PUCCH carrier corresponding to the PUCCH cell, determining the PUCCH carrier corresponding to the PUCCH cell according to the downlink control information.

22. The method of claim 21, wherein the downlink control information includes at least one second bit, the at least one second bit corresponds to an uplink carrier corresponding to the at least one first uplink cell, and one second bit of the at least one second bit indicates that an uplink carrier corresponding to the first uplink cell corresponding to the bit is used as a PUCCH carrier corresponding to the PUCCH cell.

23. A method for cell handover, comprising the steps of:

And receiving the PUCCH information sent by the terminal on the PUCCH cell.

24. The method of claim 23, wherein the handover configuration information is RRC configuration information, the RRC configuration information includes uplink cell configuration information corresponding to a preset time unit and used for indicating at least one first uplink cell, and a cell with a minimum or maximum cell index in the at least one first uplink cell is the PUCCH cell.

25. The method of claim 24, wherein the step of determining the position of the probe is performed,

receiving the PUCCH information sent by the terminal on the PUCCH cell, which specifically comprises the following steps:

and when receiving the uplink cell configuration information, the terminal is further configured to instruct the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell to transmit PUCCH information on the uplink carrier corresponding to the cell with the smallest or largest cell index in the at least one first uplink cell.

26. The method according to claim 24 or 25, wherein the uplink cell configuration information is further used to indicate a maximum number of transmit antenna ports corresponding to each of the at least one first uplink cell.

27. The method according to any one of claims 24 to 26, wherein,

and when receiving the RRC configuration information further includes PUCCH cell indication information corresponding to the preset time unit, the PUCCH cell indication information is used to indicate that one of the at least one first uplink cell is the PUCCH cell, and the terminal sends PUCCH information on the PUCCH cell determined according to the PUCCH cell indication information.

28. The method of claim 27, wherein the step of determining the position of the probe is performed,

and when the uplink cell configuration information is received and used for indicating the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell, the PUCCH cell indication information is used for indicating that one uplink carrier of the uplink carrier corresponding to the at least one first uplink cell is the PUCCH carrier corresponding to the PUCCH cell, and the terminal sends PUCCH information on the PUCCH carrier corresponding to the PUCCH cell determined according to the PUCCH cell indication information.

29. The method of claim 23, wherein the handover configuration information is MAC-CE configuration information indicating at least one activated first uplink cell, and wherein a cell with a smallest or largest cell index among the at least one activated first uplink cell is the PUCCH cell.

30. The method of claim 29, wherein the step of providing the first information comprises,

and when receiving the MAC-CE configuration information and indicating the uplink carrier corresponding to each first uplink cell in the at least one activated first uplink cell, the terminal sends PUCCH information on the uplink carrier corresponding to the cell with the minimum or maximum cell index in the at least one activated first uplink cell.

31. The method according to claim 29 or 30, wherein,

and when receiving the MAC-CE configuration information and indicating one of the at least one activated first uplink cells as the PUCCH cell, the terminal determines the PUCCH information sent on the PUCCH cell according to the MAC-CE configuration information.

32. The method of claim 31, wherein the step of determining the position of the probe is performed,

33. The method of claim 23, wherein the handover configuration information is downlink control information, the downlink control information is used to indicate at least one of the first uplink cells, and a cell with a smallest or largest cell index among the at least one first uplink cell is the PUCCH cell, or an uplink cell indicated by the PUCCH configuration information is the PUCCH cell.

34. The method of claim 33, wherein the step of determining the position of the probe is performed,

and when receiving the downlink control information and indicating the uplink carrier corresponding to each first uplink cell in the at least one first uplink cell, the terminal sends PUCCH information on the uplink carrier corresponding to the cell with the smallest or largest cell index or the uplink carrier corresponding to the uplink cell indicated by the PUCCH configuration information.

35. The method of claim 34, further comprising the step of:

and sending the PUCCH configuration information to the terminal, wherein the PUCCH configuration information is used for indicating an uplink cell used for sending the PUCCH information by the terminal or indicating an uplink carrier corresponding to the uplink cell used for sending the PUCCH information by the terminal.

36. A terminal, comprising:

a receiving module, configured to receive handover configuration information sent by a base station and used for indicating handover of a first uplink cell, where the first uplink cell is used for sending physical uplink shared channel PUSCH information, sounding reference signal SRS information, or physical random access channel PRACH information;

37. A chip is characterized in that,

the chip is configured to receive handover configuration information sent by a base station and used for indicating handover of a first uplink cell, where the first uplink cell is configured to send physical uplink shared channel PUSCH information, sounding reference signal SRS information, or physical random access channel PRACH information;

The chip is further configured to determine a PUCCH cell for transmitting physical uplink control channel PUCCH information according to the handover configuration information;

the chip is further configured to send PUCCH information to a base station on the PUCCH cell.

38. A chip module is characterized by comprising a receiving and transmitting component and a chip,

the chip is configured to receive, through the transceiver component, handover configuration information sent by a base station and used to instruct handover of a first uplink cell, where the first uplink cell is used to send physical uplink shared channel PUSCH information, sounding reference signal SRS information, or physical random access channel PRACH information;

the chip is further configured to send PUCCH information to a base station on the PUCCH cell through the transceiver component.

39. A base station, comprising:

a sending module, configured to send handover configuration information for indicating handover of a first uplink cell to a terminal, where the first uplink cell is configured to send PUSCH information, SRS information, or PRACH information, so that the terminal determines a PUCCH cell for sending PUCCH information according to the handover configuration information;

40. A cell switching apparatus, comprising: a processor and a memory;

the processor being connected to a memory, wherein the memory is adapted to store program code, the processor being adapted to invoke the program code to perform the cell handover method according to any of claims 1 to 22 and/or 23 to 35.

41. A computer storage medium storing a computer program comprising program instructions which, when executed by a processor, perform the cell handover method of any one of claims 1 to 22 and/or 23 to 35.