RU2846303C2 - Method and device for resources conflicts processing and computer-readable data medium - Google Patents

Abstract

FIELD: wireless communication equipment.

SUBSTANCE: method of processing a resource collision includes: determining at least one time domain block corresponding to overlapping resources between resources, used to retransmit the first uplink message and the physical carrier channel resources of the second uplink message. First uplink message is msg.3 and the second uplink message is mse.1 or msg.A. Decision is made not to send the first uplink message and the second uplink message simultaneously in the same time domain block. Current user does not send the first message of the upperlink and the second message of the upperlink in a section of the temporary area simultaneously with other user equipment.

EFFECT: preventing conflict of resources between different uplink messages, interference in channel transmission by different user equipment is reduced, thereby improving the random access success rate of the user equipment.

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Description

Field of technology

[0001] The present invention relates to the field of wireless communication technology, in particular to a method and device for handling resource collision, as well as to a machine-readable storage medium.

State of the art

[0002] In wireless communication technology, such as in the ^5th generation (5G) mobile communication technology, a user equipment (UE) may use a four-step random access channel (RACH) procedure or a two-step RACH procedure for random access.

[0003] In some implementations, the four-step RACH procedure includes the following:

[0004] The UE sends message 1 (msg. 1) to the base station, and the UE may send message 1 using a preamble, which may be referred to as a RACH preamble or a physical random access channel (PRACH) preamble or sequence;

[0005] UE receives message 2 (msg.2) from the base station;

[0006] The UE sends message 3 (msg.3) to the base station, where message 3 may be a radio resource control (RRC) connection request message 3 in response to receiving message 2 from the base station;

[0007] The UE receives message 4 (msg.4) from the base station. If the base station successfully receives and/or decodes message 3, message 4 may be a contention resolution message from the base station;

[0008] The UE synchronizes with the base station using the four-step RACH procedure described above.

[0009] A two-step RACH procedure may combine multiple RACH messages from a four-step RACH procedure. For example, a two-step RACH procedure may include msg.A and msg.B, where msg.A combines msg.1 and msg.3 from the four-step RACH procedure, and msg.B combines msg.2 and msg.4 from the four-step RACH procedure.

[0010] Multiple blind retransmissions may be used for msg.3 (msg.3 repetitions) to increase redundant bit information, reduce the transmission rate, and improve transmission reliability.

[0011] In order to keep the actual number of blind retransmissions as close as possible to the number of retransmissions indicated by the base station and to increase the likelihood of a successful transmission, some implementations support counting blind retransmissions based on available slots rather than based on consecutive physical slots.

[0012] The transmission of the repetition of msg.3 may collide with the PRACH sent by another terminal or with the physical uplink shared channel (PUSCH) of msg.A sent by another terminal, causing mutual interference between the transmissions of different channels by different terminals, which may ultimately lead to random access failure of both terminals.

The essence of the invention

[0013] The present invention provides a method and device for handling resource collision and a machine-readable storage medium.

[0014] In a first aspect, a method for handling a resource conflict performed by a first user equipment is proposed. The method includes: determining at least one time domain block corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A; and not sending the first uplink message and the second uplink message simultaneously with the second UE in at least one time domain block.

[0015] In the method, a portion of a time domain corresponding to an overlapping resource is determined between a resource for repetitions of a first uplink message and a physical channel resource of a second uplink message, and the current UE does not send the first uplink message and the second uplink message simultaneously with another UE in the portion of the time domain, so that a resource collision between different uplink messages is prevented, interference between channel transmissions of different UEs is reduced, and thus a random access success rate of the UE is improved.

[0016] In some possible implementations, the method further comprises: determining that the available time domain block does not include at least one time domain block; determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; not sending the first uplink message and the second uplink message simultaneously with the second UE in the at least one time domain block comprises: not sending the first uplink message in the at least one time domain block.

[0017] In some possible implementations, the method further comprises: determining that the available time domain block includes at least one time domain block; determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; not sending the first uplink message and the second uplink message simultaneously with the second UE in the at least one time domain block comprises: not sending the first uplink message in the at least one time domain block.

[0018] In some possible implementations, determining at least one time domain block corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message includes: determining a first resource in a set of resources used to send the second uplink message; and determining a second resource in the set of resources, wherein a synchronization signal block (SSB) index mapped by the second resource matches an SSB index mapped by the first resource; and determining at least one time domain block corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message.

[0019] In some possible implementations, the method further comprises: receiving configuration information sent by the network device, wherein the configuration information indicates a set of resources used to send the second uplink message.

[0020] In some possible implementations, the method further comprises: determining an invalid opportunity interval (RACH occasion, RO) on a random access channel (RACH) in a physical channel resource, wherein at least one time domain block includes the invalid RO; not sending the first uplink message and the second uplink message simultaneously with the second UE in the at least one time domain block comprises: if the second UE does not send the second uplink message in the invalid RO, sending by the first UE the first uplink message in the invalid RO.

[0021] In some possible implementations, determining an invalid RO in a physical channel resource includes: receiving an invalid resource mode from a network device, wherein the invalid resource mode indicates an invalid RO.

[0022] In some possible implementations, the invalid resource mode is determined by the network device based on an invalid RO, the first RO resource is determined in the set of RO resources used by the first UE to send the second uplink message, and the second RO resource in the set of RO resources is determined to be the invalid RO, wherein the SSB index mapped by the second RO resource matches the SSB index mapped by the first RO resource.

[0023] In some possible implementations, the physical channel for the second uplink message includes a physical random access channel (PRACH) and/or a physical uplink shared channel (PUSCH).

[0024] In a second aspect, a method for handling a resource collision performed by a network device is proposed. The method includes: determining at least one time domain block for a first UE corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A; and if there is no sending of the first uplink message and the second uplink message simultaneously in at least one time domain block by the first UE and the second UE, receiving information sent by the first UE or the second UE in the at least one time domain block.

[0025] In some possible implementations, the method further comprises: determining that an available time domain block for the first UE does not include at least one time domain block; and determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; receiving information sent by the first UE or the second UE in the at least one time domain block comprises: not receiving the first uplink message from the first UE in the at least one time domain block.

[0026] In some possible implementations, the method further comprises: determining that the available time domain block includes at least one time domain block; and determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; receiving information sent by the first UE or the second UE in the at least one time domain block comprises: not receiving the first uplink message from the first UE in the at least one time domain block.

[0027] In some possible implementations, determining at least one time domain block for a first UE corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message includes: determining a first resource in a set of resources used by the first UE to send a second uplink message; and determining a second resource in the set of resources, wherein an SSB index mapped by the second resource matches an SSB index mapped by the first resource; and determining at least one time domain block corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message.

[0028] In some possible implementations, the method further comprises: sending configuration information to the first UE, wherein the configuration information indicates a set of resources used to send the second uplink message.

[0029] In some possible implementations, the method further comprises: determining an invalid RO in a physical channel resource, wherein at least one time domain block includes the invalid RO; receiving information sent by the first UE or the second UE in the at least one time domain block comprises: receiving a first uplink message from the first UE in the invalid RO and not receiving a second uplink message from the second UE in the invalid RO.

[0030] In some possible implementations, the method further comprises: sending an invalid resource mode to the first UE, wherein the invalid resource mode indicates an invalid RO.

[0031] In some possible implementations, the method further comprises: determining a first RO resource in a set of RO resources used by the first UE to send the second uplink message; and determining a second RO resource in the set of RO resources as an invalid RO, wherein the SSB index mapped by the second RO resource matches the SSB index mapped by the first RO resource; and determining an invalid resource mode based on the invalid RO.

[0032] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0033] In a third aspect, a communication device is proposed. The communication device can be used to implement the steps performed by the UE in the above-mentioned first aspect or any possible modification of the first aspect. The UE can implement the functions in the above-mentioned methods as a hardware structure, a software module, or a hardware structure plus a software module.

[0034] When the communication device described in the first aspect is implemented by a software module, the communication device includes a transmitting and receiving module and a processing module.

[0035] The processing module is configured to determine at least one time domain block corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A;

[0036] The transmit/receive module is configured not to send the first uplink message and the second uplink message simultaneously with the second UE in at least one time domain block.

[0037] In a fourth aspect, a communication device is proposed. The communication device can be used to implement the steps performed by the UE in the above-mentioned first aspect or any possible modification of the first aspect. The UE can implement the functions in the above-mentioned methods as a hardware structure, a software module, or a hardware structure plus a software module.

[0038] When the communication device described in the first aspect is implemented by a software module, the communication device includes a transmitting and receiving module and a processing module.

[0039] The processing module is configured to determine at least one time domain block for the first UE corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A;

[0040] The transmit/receive module is configured to receive, if the first uplink message and the second uplink message are not sent simultaneously in at least one time domain block by the first UE and the second UE, information sent by the first UE or the second UE in the at least one time domain block.

[0041] In a fifth aspect, a communication device is proposed, including a processor and a memory. The memory is configured to store a computer program; and the processor is configured to execute the computer program for implementing the first aspect or any of the possible modifications of the first aspect.

[0042] In a sixth aspect, a communication device is proposed, including a processor and a memory. The memory is configured to store a computer program; and the processor is configured to execute the computer program for implementing the second aspect or any of the possible modifications of the second aspect.

[0043] In a seventh aspect, a computer-readable storage medium is provided that contains stored instructions (or computer programs, programs) that, when called up and executed by a computer, enable the computer to perform the first aspect or any possible modification of the first aspect.

[0044] In an eighth aspect, a computer-readable storage medium is provided that contains stored instructions (or computer programs, programs) that, when called up and executed by a computer, enable the computer to perform the second aspect or any possible modification of the second aspect.

[0045] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not limiting of the present invention.

Brief description of the drawings

[0046] The drawings described herein are used to provide a deeper understanding of the embodiments of the present invention and are part of the present invention. The examples of embodiments of the present invention and their descriptions are used to explain the embodiments of the present invention and are not unduly limiting to the embodiments of the present invention.

[0047] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments corresponding to embodiments of the present invention and, together with this description, serve to explain the principles of embodiments of the present invention.

[0048] Fig. 1 shows a diagram of the architecture of a wireless communication system according to an embodiment of the present invention.

[0049] Fig. 2 is a flow chart illustrating a method for handling a resource collision in accordance with an exemplary embodiment.

[0050] Fig. 3 is a flow chart illustrating a method for handling a resource collision in accordance with an exemplary embodiment.

[0051] Fig. 4 is a flow chart illustrating a method for handling a resource collision in accordance with an exemplary embodiment.

[0052] Fig. 5 is a flow chart illustrating a method for handling a resource collision in accordance with an exemplary embodiment.

[0053] Fig. 6 is a flow chart illustrating a method for handling a resource collision in accordance with an exemplary embodiment.

[0054] Fig. 7 is a flow chart illustrating a method for handling a resource collision in accordance with an exemplary embodiment.

[0055] Fig. 8 is a block diagram illustrating an apparatus for handling a resource collision according to an exemplary embodiment.

[0056] Fig. 9 is a block diagram illustrating equipment for handling resource collision according to an exemplary embodiment.

[0057] Fig. 10 is a block diagram illustrating an apparatus for handling a resource collision according to an exemplary embodiment.

[0058] Fig. 11 is a block diagram illustrating equipment for handling resource collision according to an exemplary embodiment.

Detailed description

[0059] Embodiments of the present invention are now described in detail in accordance with the accompanying drawings and specific embodiments.

[0060] Reference will now be made in detail to embodiments, examples of which are illustrated in the accompanying drawings. In the following description, when referring to the drawings, unless otherwise indicated, the same numbers in different drawings designate the same or similar elements. The implementations described in the following example embodiments do not represent all possible implementations corresponding to embodiments of the present invention. On the contrary, they are only examples of devices and methods corresponding to some aspects of the invention, as indicated in the appended claims.

[0061] The terms used in the embodiments of the present invention are intended to describe particular embodiments only and are not intended to limit the embodiments of the present invention. In the examples of the present invention and the appended claims, the use of the singular forms also includes the use of the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein includes any and all possible combinations of one or more related listed elements.

[0062] It should be understood that, although the embodiments of the present invention may use the terms "first," "second," "third," and so on, to describe various information, the information should not be limited to these terms. These terms are used only to distinguish instances of the same type of information from each other. For example, without departing from the scope of the embodiments of the present invention, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein may be construed as "at," "when," or "in response to a determination."

[0063] Embodiments of the present invention are described in detail below, and examples of embodiments are illustrated in the accompanying drawings, in which the same or similar reference numerals designate the same or similar elements. The embodiments described below with reference to the accompanying drawings are examples and are intended to explain the present invention and should not be considered as limitations of the present invention.

[0064] As shown in Fig. 1, the method for handling a resource collision according to an embodiment of the present invention can be applied to a wireless communication system 100, which may include, but is not limited to, a network device 101 and a user device 102. The user device 102 is configured to support carrier aggregation. The user device 102 can be connected to a plurality of component carriers of the network device 101, including a primary component carrier and one or more secondary component carriers.

[0065] It should be understood that the wireless communication system 100 described above can be applied to both low-frequency scenarios and high-frequency scenarios. The application scenarios of the wireless communication system 100 include, but are not limited to, a long term evolution (LTE) system, a frequency division duplex (FDD) LTE system, a time division duplex (TDD) LTE system, a worldwide interoperability for micro wave access (WiMAX) communication system, a cloud radio access network (CRAN) system, a future fifth-generation (5G) system, a new radio (NR) communication system, or a future advanced public land mobile network (PLMN) communication system, and so on.

[0066] The user device 102 shown above may be a user equipment (UE), a terminal, an access terminal, a terminal unit, a terminal station, a mobile station (MS), a remote station, a remote terminal, a mobile terminal, a wireless communication device or a terminal agent, and so on. The user device 102 may have a wireless transceiver function and may interact (e.g., via wireless communication) with one or more network devices 101 in one or more communication systems and receive network services provided by the network device 101. The network device 101 here includes the base station shown in the figure, but is not limited to it.

[0067] The user device 102 may be a cellular telephone, a cordless telephone, a telephone with a session initiation protocol (SIP), a wireless local loop (WLL) station, a personal digital assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a device installed on a vehicle, a wearable device, a user device in a future 5G network, or a user device in a future advanced PLMN network, and so on.

[0068] The network device 101 may be an access network device (or an access network node). The access network device refers to a device that provides network access functions, such as a base station of a radio access network (RAN) and the like. The network device may specifically include a base station (BS) device, or include a BS device and a radio resource management device for managing the BS device, and so on. The network device may also include a relay station (relay device), an access point, a base station in a future 5G network, a base station in a future advanced PLMN network, or an NR base station, and so on. The network device may be a wearable device or a device installed on a vehicle. The network device may also be a communication chip with a communication module.

[0069] For example, the network device 101 includes a next-generation base station (gnodeB, gNB) in a 5G system, an evolved node B (eNB) in a LTE system, a radio network controller (RNC), a node B (NB) in a WCDMA system, a wireless controller in a CRAN system, a base station controller (BSC), a base transceiver station (BTS) in a GSM or CDMA system, a home base station (e.g., a home evolved node B, or home node B (HNB)), a baseband unit (BBU), a transmitting and receiving point (TRP), a transmitting point (TP), or a mobile switching center, and so on, but is not limited to them.

[0070] According to one embodiment of the present invention, a method for handling a resource collision performed by a first UE is provided. Fig. 2 is a flow chart illustrating a method for handling a resource collision according to an example embodiment. As shown in Fig. 2, the method includes the following steps S201-S202.

[0071] In step S201, at least one time domain block is determined corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A.

[0072] In step S202, the first uplink message and the second uplink message are not sent simultaneously with the second UE in at least one time domain block.

[0073] In some possible implementations, a time domain block is a symbol, a half-slot, or a slot.

[0074] In some possible implementations, the physical channel for the second uplink message includes a physical random access channel (PRACH) and/or a physical uplink shared channel (PUSCH).

[0075] In some possible implementations, the second UE is any UE other than the first UE in the cell where the first UE is located.

[0076] In some possible implementations, the second UE is a UE other than the first UE that meets a given condition in the cell where the first UE is located.

[0077] In some possible implementations, a complete overlap is formed between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0078] In some possible implementations, a partial overlap is created between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0079] In some possible implementations, at least one time domain block represents consecutive time domain blocks.

[0080] In some possible implementations, at least one time domain block represents non-consecutive time domain blocks.

[0081] In some possible implementations, the first uplink message is a first uplink random access message, and the second uplink message is a second uplink random access message.

[0082] In embodiments of the present invention, a portion of a time domain corresponding to an overlapping resource is defined between a resource for repetitions of a first uplink message and a physical channel resource of a second uplink message, and the current UE does not send the first uplink message and the second uplink message at the same time as another UE in the portion of the time domain, so that a resource collision between different uplink messages is prevented, interference between channel transmissions of different UEs is reduced, and thus a random access success rate of the UE is improved.

[0083] In embodiments of the present invention, a method for handling a resource collision performed by a first UE is provided. Fig. 3 is a flow chart illustrating a method for handling a resource collision according to an example embodiment. As shown in Fig. 3, the method includes the following steps S301-S303.

[0084] In step S301, at least one time domain block corresponding to an overlapping resource is determined between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A.

[0085] In step S302, it is determined that the available time domain block does not include at least one time domain block; a resource for repetitions of the first uplink message is determined based on the available time domain block, or the number of repetitions is calculated based on the available time domain block.

[0086] In step S303, the first uplink message is not sent in at least one time domain block.

[0087] In some possible implementations, a time domain block is a symbol, a half-slot, or a slot.

[0088] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0089] In some possible implementations, a complete overlap is formed between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0090] In some possible implementations, a partial overlap is created between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0091] In some possible implementations, at least one time domain block represents consecutive time domain blocks.

[0092] In some possible implementations, at least one time domain block represents non-consecutive time domain blocks.

[0093] In some possible implementations, the first uplink message is a first uplink random access message, and the second uplink message is a second uplink random access message.

[0094] In some possible implementations, determining at least one time domain block corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message in step S301 includes the following steps S301-1 to S301-3.

[0095] In step s301-1, a first resource in a set of resources used to send the second uplink message is determined.

[0096] In step s301-2, a second resource in the resource set is determined, wherein the SSB index displayed by the second resource is the same as the SSB index displayed by the first resource.

[0097] In step S301-3, at least one time domain block corresponding to an overlapping resource between the second resource and the resource for repeating the first uplink message is determined.

[0098] In the example as shown in FIG. 4, the set of resources for sending PRACH includes multiple time domain cycles, and eight ROs for initiating PRACH within one cycle include RO#0, RO#1, RO#2...RO#7. RO#0 and RO#4 are mapped to SSB#0 in each cycle. Based on RO#0 in a certain cycle, the UE sends PRACH, then an overlapping resource between the resource occupied by the RO in subsequent cycles of the set of resources with the same SSB index (SSB#0) as RO#0 selected by the UE for initiating RACH and the resource of repetitions of msg.3 is determined as at least one time domain block.

[0099] In some possible implementations, the method further includes step S301-0 before performing step S301-1, i.e. receiving configuration information sent by the network device, wherein the configuration information indicates a set of resources used for sending the second uplink message.

[0100] In some possible implementations, it is determined that at least one time domain block is an unavailable time domain block for repetitions of the first uplink message. When the first UE determines the resource used for repetitions of the first uplink message and calculates the number of repetitions, the unavailable time domain block for repetitions of the first uplink message is not taken into account.

[0101] For example, when the time domain block is a slot and the first uplink message is msg.3, it is determined that at least one time slot corresponding to the overlapping resource is an unavailable slot for repetitions of the first uplink message (i.e., an unavailable slot for repetitions of msg.3). When the first UE determines the resource used for repetitions of msg.3 and calculates the number of repetitions, the unavailable slots for repetitions of msg.3 are not taken into account.

[0102] For example, when the time domain block is a symbol and the first uplink message is msg.3, it is determined that at least one symbol corresponding to the overlapping resource is an unavailable symbol for repetitions of the first uplink message (i.e., an unavailable symbol for repetitions of msg.3). When the first UE determines the resource used for repetitions of msg.3 and calculates the number of repetitions, the unavailable symbols for repetitions of msg.3 are not taken into account.

[0103] In embodiments of the present invention, the transmission of the second uplink message has a higher priority, and the transmission of the first uplink message has a lower priority, it is determined that a portion of the time domain corresponding to the overlapping resource is not available for repetitions of the first uplink message, the unavailable portion of the time domain is not taken into account when determining the resource for repetitions of the first uplink message and calculating the number of repetitions, and the first uplink message is not transmitted in at least one block of the time domain, which ensures the accuracy of determining the parameters and priority of a UE other than the first UE that smoothly transmits the second uplink message. In addition, resource collision between different uplink messages is prevented, interference between channel transmissions of different UEs is reduced, and thus the random access success rate of the UE is increased.

[0104] In embodiments of the present invention, a method for processing a resource collision performed by a first UE is provided, and Fig. 5 is a flowchart illustrating a method for processing a resource collision according to an example embodiment. As shown in Fig. 5, the method includes the following steps S501-S503.

[0105] In step S501, at least one time domain block corresponding to an overlapping resource is determined between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.l or msg.A.

[0106] In step S502, it is determined that the available time domain block includes at least one time domain block; a resource for repeating the first uplink message is determined based on the available time domain block, or a number of repetitions is calculated based on the available time domain block.

[0107] In step S503, the first uplink message is not sent in at least one time domain block.

[0108] In some possible implementations, a time domain block is a symbol, a half-slot, or a slot.

[0109] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0110] In some possible implementations, complete overlap is formed between the resources for repetitions of the first uplink message and the physical channel resources for the second uplink message.

[0111] In some possible implementations, partial overlap is created between the resources for repetitions of the first uplink message and the physical channel resources for the second uplink message.

[0112] In some possible implementations, at least one time domain block represents consecutive time domain blocks.

[0113] In some possible implementations, at least one time domain block represents non-consecutive time domain blocks.

[0114] In some possible implementations, the first uplink message is a first uplink random access message, and the second uplink message is a second uplink random access message.

[0115] In some possible implementations, it is determined that at least one time domain block is an available time domain block for repetitions of the first uplink message. When the first UE determines the resource used for repetitions of the first uplink message and calculates the number of repetitions, the available time domain block for repetitions of the first uplink message is taken into account, but the first uplink message is not sent in the at least one time domain block.

[0116] For example, when a time domain block is a slot and the first uplink message is msg.3, it is determined that at least one time slot corresponding to the overlapping resource is an available slot for repetitions of the first uplink message (i.e., an available slot for repetitions of msg.3). When the first UE determines the resource used for repetitions of msg.3 and calculates the number of repetitions, the available slots for repetitions of msg.3 are present, but msg.3 is not sent in at least one time domain block.

[0117] For example, when the time domain block is a symbol and the first uplink message is msg.3, it is determined that at least one symbol corresponding to the overlapping resource is an available symbol for repetitions of the first uplink message (i.e., an available symbol for repetitions of msg.3). When the first UE determines the resource used for repetitions of msg.3 and calculates the number of repetitions, the available symbols for repetitions of msg.3 are taken into account, but msg.3 is not sent in at least one time domain block.

[0118] In the embodiments of the present invention, the transmission of the second uplink message has a higher priority, and the transmission of the first uplink message has a lower priority, it is determined that a portion of the time domain corresponding to the overlapping resource is available for repetitions of the first uplink message, the unavailable portion of the time domain is still taken into account when determining the resource for repetitions of the first uplink message and calculating the number of repetitions, but the first uplink message is not sent in at least one block of the time domain, which ensures compatibility with existing protocols and the priority of a UE other than the first UE that smoothly sends the second uplink message. In addition, resource collision between different uplink messages is prevented, interference between channel transmissions of different UEs is reduced, and thus the random access success rate of the UE is improved.

[0119] In embodiments of the present invention, a method for processing a resource collision performed by a first UE is provided. Fig. 6 is a flowchart illustrating a method for processing a resource collision according to an exemplary embodiment. As shown in Fig. 6, the method includes the following steps S601-S603.

[0120] In step S601, at least one time domain block corresponding to an overlapping resource is determined between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A.

[0121] In step S602, an invalid RO is determined in the physical channel resource, wherein at least one time domain block includes the invalid RO.

[0122] In step S603, the first uplink message is sent by the first UE in the invalid RO if the second UE does not send the second uplink message in the invalid RO.

[0123] In some possible implementations, the first UE in step S603 sends the first uplink message in the invalid RO, but does not send the second uplink message in the invalid RO.

[0124] In some possible implementations, a time domain block is a symbol, a half-slot, or a slot.

[0125] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0126] In some possible implementations, a complete overlap is formed between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0127] In some possible implementations, a partial overlap is created between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0128] In some possible implementations, at least one time domain block represents consecutive time domain blocks.

[0129] In some possible implementations, at least one time domain block represents non-consecutive time domain blocks.

[0130] In some possible implementations, determining an invalid RO in a physical channel resource in step S602 includes: receiving an invalid resource mode from a network device, wherein the invalid resource mode indicates an invalid RO.

[0131] In some possible implementations, the invalid resource mode is determined by the network device based on the invalid RO. The network device determines a first RO resource in the set of RO resources used by the first UE to send the second uplink message, and determines a second RO resource in the set of RO resources as an invalid RO, wherein the SSB index mapped by the second RO resource matches the SSB index mapped by the first RO resource.

[0132] In some possible implementations, the invalid resource mode is determined by the network device based on the invalid RO. The network device determines a first RO resource in the set of RO resources used by the first UE to send the second uplink message, and determines a second RO resource during a subsequent cycle in the set of RO resources as an invalid RO, wherein the SSB index mapped by the second RO resource matches the SSB index mapped by the first RO resource.

[0133] In an example, a set of ROs for sending a PRACH message msg.A includes several time domain frames, and eight ROs for initiating a PRACH within one frame include RO#0, RO#1, RO#2...RO#7. RO#0 and RO#4 are mapped to SSB#0 in each frame. Based on RO#0 in a certain frame, the UE sends a PRACH message msg.A, and then the network device determines RO#0 and RO#4 in subsequent frames from the set of ROs that have the same SSB index (SSB#0) as the RO#0 selected by the UE for initiating a RACH as invalid ROs.

[0134] In embodiments of the present invention, a method is provided for determining an invalid RO performed by a UE. The method includes: receiving an invalid resource mode from a network device, wherein the invalid resource mode indicates an invalid RO. The invalid resource mode is determined by the network device based on the invalid RO. The network device determines a first RO resource in a set of RO resources used by a first UE to send a second uplink message, and determines a second RO resource in the set of RO resources as an invalid RO, wherein an SSB index mapped by the second RO resource matches an SSB index mapped by the first RO resource.

[0135] In an example, a set of ROs for sending a PRACH message msg.A includes several time domain frames, and eight ROs for initiating a PRACH within one frame include RO#0, RO#1, RO#2...RO#7. RO#0 and RO#4 in each frame are mapped to SSB#0. Based on RO#0 of a particular frame, the UE sends a PRACH message msg.A, and then the network device determines RO#0 and RO#4 in subsequent frames from the set of ROs that have the same SSB index (SSB#0) as the RO#0 selected by the UE for initiating a RACH as invalid ROs.

[0136] In embodiments of the present invention, a method for determining an invalid RO performed by a UE is provided. The method includes: receiving an invalid resource mode from a network device, wherein the invalid resource mode indicates an invalid RO. The invalid resource mode is determined by the network device based on the invalid RO. The network device determines a first RO resource in a set of RO resources used by a first UE to send a second uplink message, and determines a second RO resource in a subsequent cycle in the set of RO resources as an invalid RO, wherein an SSB index mapped by the second RO resource matches an SSB index mapped by the first RO resource.

[0137] In an example, a set of ROs for sending a PRACH message msg.A includes several time domain frames, and eight ROs for initiating a PRACH within one frame include RO#0, RO#1, RO#2...RO#7. RO#0 and RO#4 in each frame are mapped to SSB#0. Based on RO#0 of a particular frame, the UE sends a PRACH message msg.A, and the network device then determines RO#0 and RO#4 in subsequent frames from the set of ROs that have the same SSB index (SSB#0) as the RO#0 selected by the UE for initiating a RACH as invalid ROs.

[0138] In embodiments of the present invention, a method for handling a resource collision performed by a network device is provided. Fig. 7 is a flow chart illustrating a method for handling a resource collision according to an exemplary embodiment. As shown in Fig. 7, the method includes the following steps S701-S702.

[0139] In step S701, at least one time domain block for the first UE corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message. The first uplink message is msg.3, and the second uplink message is msg.1 or msg.A;

[0140] In step S702, if the first uplink message and the second uplink message have not been sent simultaneously in at least one time domain block by the first UE and the second UE, information sent by the first UE or the second UE is received in at least one time domain block.

[0141] In some possible implementations, a time domain block is a symbol, a half-slot, or a slot.

[0142] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0143] In some possible implementations, the second UE is any UE other than the first UE in the cell where the first UE is located.

[0144] In some possible implementations, the second UE is a UE, different from the first UE, that satisfies a given condition in the cell where the first UE is located.

[0145] In some possible implementations, a complete overlap is formed between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0146] In some possible implementations, a partial overlap is created between the resource for repetitions of the first uplink message and the physical channel resource for the second uplink message.

[0147] In some possible implementations, at least one time domain block represents consecutive time domain blocks.

[0148] In some possible implementations, at least one time domain block represents non-consecutive time domain blocks.

[0149] In some possible implementations, the first uplink message is a first uplink random access message and the second uplink message is a second uplink random access message.

[0150] In embodiments of the present invention, a portion of a time domain corresponding to an overlapping resource is determined between a resource for repeating a first uplink message and a physical channel resource of a second uplink message, and the current UE does not send the first uplink message and the second uplink message simultaneously with another UE in the portion of the time domain, so that a resource collision between different uplink messages is prevented, interference between channel transmissions of different UEs is reduced, and thus a random access success rate of the UE is improved.

[0151] In embodiments of the present invention, a method for handling a resource collision performed by a network device is provided. The method includes: determining at least one time domain block for a first UE corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg. 1 or msg.A; determining that an available time domain block for the first UE does not include the at least one time domain block; determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; and if the first uplink message and the second uplink message have not been sent simultaneously in the at least one time domain block by the first UE and the second UE, the first uplink message is not received from the first UE in the at least one time domain block.

[0152] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0153] In some possible implementations, determining at least one time domain block for the first UE corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message includes the following steps 1-3.

[0154] In step 1, a first resource in a set of resources used by the first UE for sending the second uplink message is determined.

[0155] In step 2, a second resource in the set of resources is determined, wherein the SSB index displayed by the second resource matches the SSB index displayed by the first resource.

[0156] In step 3, at least one time domain block is determined corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message.

[0157] In some possible implementations, the method further comprises: sending configuration information to the first UE, wherein the configuration information indicates a set of resources used to send the second uplink message.

[0158] In embodiments of the present invention, a method for handling a resource collision performed by a network device is provided. The method includes: determining at least one time domain block for a first UE corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg. 1 or msg.A; determining that an available time domain block for the first UE includes at least one time domain block; determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; and not receiving the first uplink message from the first UE in the at least one time domain block.

[0159] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0160] In some possible implementations, determining at least one time domain block for the first UE corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message includes the following steps 1-3.

[0161] In step 1, a first resource in a set of resources used by the first UE for sending the second uplink message is determined.

[0162] In step 2, a second resource in the set of resources is determined, wherein the SSB index displayed by the second resource matches the SSB index displayed by the first resource.

[0163] In step 3, at least one time domain block is determined corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message.

[0164] In some possible implementations, the method further comprises: sending configuration information to the first UE, wherein the configuration information indicates a set of resources used to send the second uplink message.

[0165] In embodiments of the present invention, a method for handling a resource collision performed by a network device is provided. The method includes: determining at least one time domain block for a first UE corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A; determining an invalid RO in the physical channel resource, wherein the at least one time domain block includes the invalid RO; and receiving the first uplink message from the first UE in the invalid RO and not receiving a second uplink message from the second UE in the invalid RO.

[0166] In some possible implementations, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0167] In some possible implementations, the method further includes:

sending an invalid resource mode to the first UE, where the invalid resource mode indicates an invalid RO.

[0168] In some possible implementations, the method further comprises: determining a first RO resource in a set of RO resources used by the first UE to send the second uplink message; and determining a second RO resource in the set of RO resources as an invalid RO, wherein the SSB index mapped by the second RO resource matches the SSB index mapped by the first RO resource; and determining an invalid resource mode based on the invalid RO.

[0169] In embodiments of the present invention, a method for determining an invalid RO performed by a network device is provided. The method includes:

determining a first RO resource in a set of RO resources used by the first UE to send a second uplink message; and determining a second RO resource in the set of RO resources as an invalid RO, wherein an SSB index mapped by the second RO resource matches an SSB index mapped by the first RO resource.

[0170] In an example, a set of ROs for sending a PRACH message msg.A includes several time domain cycles, and eight ROs for initiating a PRACH within one cycle include RO#0, RO#1, RO#2...RO#7. RO#0 and RO#4 in each cycle are mapped to SSB#0. Based on RO#0 of a particular cycle, the UE sends a PRACH message msg.A, and then the network device determines RO#0 and RO#4 in subsequent cycles of the set of ROs that have the same SSB index (SSB#0) as the RO#0 selected by the UE for initiating the RACH, and RO#4 in subsequent cycles of this set of ROs as invalid ROs.

[0171] In embodiments of the present invention, a method is provided for determining an invalid RO, performed by a network device. The method includes: determining a first RO resource in a set of RO resources used by a first UE to send a second uplink message; determining a second RO resource during a subsequent cycle in the set of RO resources as an invalid RO, wherein an SSB index mapped by the second RO resource matches an SSB index mapped by the first RO resource.

[0172] In an example, a set of ROs for sending a PRACH message msg.A includes several time domain cycles, and eight ROs for initiating a PRACH within one cycle include RO#0, RO#1, RO#2...RO#7. RO#0 and RO#4 in each cycle are mapped to SSB#0. Based on RO#0 of a particular cycle, the UE sends a PRACH message msg.A, after which the network device determines RO#0 and RO#4 in subsequent cycles of the set of ROs that have the same SSB index (SSB#0) as the RO#0 selected by the UE for initiating the RACH as invalid ROs.

[0173] Based on the same concept as the above-mentioned method embodiments, as embodiments of the present invention, a communication device is also provided that can have the functions of the user device 102 in the above-mentioned method embodiments and can be used to perform the steps performed by the user device 102 in the above-mentioned method embodiments. The functions can be implemented in hardware, software, or hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-mentioned functions.

[0174] In a possible implementation, the communication device 800 shown in Fig. 8 may be used as the user device 102 used in the above-described embodiments of the method, and perform the steps performed by the user device 102 in the above-described embodiments of the method.

[0175] The communication device 800 includes: a processing module 802 and a transmit/receive module 801.

[0176] The processing module 802 is configured to determine at least one time domain block corresponding to an overlapping resource between a resource for repeating the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A.

[0177] The transmit/receive module 801 is configured not to send the first uplink message and the second uplink message simultaneously with the second UE in at least one time domain block.

[0178] In a possible implementation, the processing module 802 is further configured to determine an available time domain block that does not include the at least one time domain block; determine a resource for repetitions of the first uplink message based on the available time domain block, or calculate a number of repetitions based on the available time domain block. The receiving/transmitting module 801 is configured not to send the first uplink message in the at least one time domain block.

[0179] In a possible embodiment, the processing module 802 is further configured to determine an available time domain block including at least one time domain block; determine a resource for repetitions of the first uplink message based on the available time domain block, or calculate a number of repetitions based on the available time domain block. The receiving/transmitting module 801 is configured not to send the first uplink message in the at least one time domain block.

[0180] In a possible implementation, the processing module 802 is further configured to determine a first resource in a set of resources used to send a second uplink message; determine a second resource in the set of resources, wherein an SSB index mapped by the second resource matches an SSB index mapped by the first resource; determine at least one time domain block corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message.

[0181] In a possible implementation, the transmit/receive module 801 is further configured to receive configuration information sent by the network device, wherein the configuration information indicates a set of resources used for sending the second uplink message.

[0182] In a possible implementation, the processing module 802 is further configured to determine an invalid RO in the physical channel resource, wherein at least one time domain block includes the invalid RO; the receiving/transmitting module 801 is further configured to, if the second UE does not send the second uplink message in the invalid RO, cause the first UE to send the first uplink message in the invalid RO and not to send the second uplink message in the invalid RO in response to the second UE not sending the second uplink message in the invalid RO.

[0183] In a possible implementation, the 801 transceiver module is further configured to receive an invalid resource mode from the network device, wherein the invalid resource mode indicates an invalid RO.

[0184] In a possible implementation, the invalid resource mode is determined by the network device based on the invalid RO, the first RO resource is determined in the set of RO resources used by the first UE to send the second uplink message, and the second RO resource in the set of RO resources is determined as the invalid RO, wherein the SSB index mapped by the second RO resource matches the SSB index mapped by the first RO resource.

[0185] In a possible implementation, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0186] When the communication device is a UE, its structure may also be as shown in Fig. 9. Fig. 9 is a block diagram illustrating a device 900 for handling a resource collision according to an example embodiment. For example, the device 900 may be a cellular telephone, a computer, a digital broadcast terminal, a transmitting and receiving device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

[0187] Fig. 9 shows that the device 900 may include one or more of the following components: a processing component 902, a memory 904, a power supply component 906, a multimedia component 908, an audio component 1110, an input/output (I/O) interface 912, a sensor component 914, and a communication component 916.

[0188] The processing component 902 typically controls general operations of the device 900, such as operations related to display, telephone calls, data transmission, camera operation, and recording operations. The processing component 902 may include one or more processors 920 for executing instructions for performing all or some of the steps in the methods described above. Also, the processing component 902 may include one or more modules that facilitate interaction between the processing component 902 and other components. For example, the processing component 902 may include a multimedia module to facilitate interaction between the multimedia component 908 and the processing component 902.

[0189] Memory 904 is configured to store various types of data to support operation of device 900. Examples of such data include instructions for any application or method running on device 900, contact data, phone book data, messages, images, videos, and so on. Memory 904 can be implemented using any type of volatile or nonvolatile storage devices or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), electrically erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.

[0190] Power source component 906 provides power to various components of device 900. Power source component 906 may include a power management system, one or more power sources, and any other components associated with generating, managing, and distributing power in device 900.

[0191] The multimedia component 908 includes a screen that provides an output interface between the device 900 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen for receiving input signals from the user. The touch panel includes one or more touch sensors that sense touches, swipes, and gestures on the touch panel. The touch sensor may not only determine the boundary of a touch or slide, but also determine the period of time and pressure associated with a touch or slide. In some embodiments, the multimedia component 908 includes a front camera and/or a rear camera. When the device 900 is in an operating mode, such as in a photo or video shooting mode, the front camera and/or the rear camera may receive external multimedia data. Each of the front and rear cameras may be a fixed optical lens system or have variable focal length and image zoom.

[0192] The audio component 910 is configured to output and/or input audio signals. For example, the audio component 910 includes a microphone (MIC) that is configured to receive external audio signals when the device 900 is in an operating mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signal can then be stored in the memory 904 or transmitted using the communication component 916. In some embodiments, the audio component 910 further includes a speaker for outputting audio signals.

[0193] The input/output interface 912 provides an interface between the processing component 902 and peripheral interface modules such as keyboards, control wheels, buttons, and the like. The buttons may include, but are not limited to, a home button, a volume control button, a start button, and a lock button.

[0194] The sensor component 914 includes one or more sensors for estimating the state of various aspects of the device 900. For example, the sensor component 914 may determine the open/closed state of the device 900, the relative location of components, such as a display and a keyboard, of the device 900. The sensor component 914 may also determine a change in the position of the device 900 or a component of the device 900, the presence or absence of user contact with the device 900, the orientation or acceleration/deceleration of the device 900, and a change in the temperature of the device 900. The sensor component 914 may include a proximity sensor configured to detect the presence of nearby objects without physical contact. The sensor component 914 may also include an illumination sensor, such as a CMOS or CCD image sensor, for use in image processing applications. In some embodiments, the sensor component 914 may further include an accelerometer sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

[0195] The communication component 916 is configured to provide wired or wireless communication between the device 900 and other devices. The device 900 can access a wireless network based on communication standards such as Wi-Fi, 4G or 5G, or a combination thereof. In an illustrative embodiment, the communication component 916 receives a broadcast signal or information associated with it from an external broadcast control system via a broadcast channel. In an illustrative embodiment of the invention, the communication component 916 further comprises a near field communication (NFC) module for providing communication over short distances. For example, the NFC module can be implemented based on radio frequency identification (RFID) technology, infrared data association (IrDA) technology, ultra-wideband (UWB) technology, Bluetooth (BT) technology and other technologies.

[0196] In illustrative embodiments, device 900 may be implemented using one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic elements to implement the methods described above.

[0197] In an illustrative embodiment of the invention, a computer-readable storage medium including instructions is also provided, for example, a memory 904 including instructions. The above-described instructions can be executed by a processor 920 in a device 900 to perform the above-described method. For example, the computer-readable storage medium can be a ROM, a random access memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

[0198] Based on the same concept as the above-mentioned method embodiments, as embodiments of the present invention, a communication device is also provided that can have the functions of the network device 101 in the above-mentioned method embodiments, and can be used to perform the steps performed by the network device 101 in the above-mentioned method embodiments. The functions can be implemented by hardware, or can be implemented by software or hardware executing corresponding software. The hardware or software includes one or more modules corresponding to the above-mentioned functions.

[0199] In a possible implementation, the communication device 1000 shown in Fig. 10 can be used as the network device 101 used in the above-described embodiments of the method, and perform the actions performed by the network device 101 in the above-described embodiments of the method.

[0200] The processing module 1002 is configured to determine at least one time domain block for the first user equipment (UE) corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A.

[0201] The transmitting/receiving module 1001 is configured to receive, in response to the fact that the first uplink message and the second uplink message are not sent simultaneously in at least one time domain block by the first UE and the second UE, information sent by the first UE or the second UE in at least one time domain block.

[0202] In a possible implementation, the processing module 1002 is further configured to determine that the available time domain block corresponding to the first UE does not include at least one time domain block; determine a resource for repetitions of the first uplink message based on the available time domain block or calculate a number of repetitions based on the available time domain block; the receiving/receiving module 1001 is configured to not receive the first uplink message from the first UE in the at least one time domain block.

[0203] In a possible implementation, the processing module 1002 is further configured to determine that the available time domain block includes at least one time domain block; determine a resource for repetitions of the first uplink message based on the available time domain block or calculate a number of repetitions based on the available time domain block; the receiving/receiving module 1001 is configured not to receive the first uplink message from the first UE in the at least one time domain block.

[0204] In a possible implementation, the processing module 1002 is further configured to determine a first resource in a set of resources used by the first UE to send the second uplink message; determine a second resource in the set of resources, wherein an SSB index mapped by the second resource matches an SSB index mapped by the first resource; determine at least one time domain block corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message.

[0205] In a possible implementation, the transmit/receive module 1001 is further configured to send configuration information to the first UE, wherein the configuration information indicates a set of resources used for sending the second uplink message.

[0206] In a possible implementation, the processing module 1002 is further configured to determine an invalid RO in the physical channel resource, wherein at least one time domain block includes the invalid RO; the transmit/receive module 1001 is further configured to receive a first uplink message from the first UE with the invalid RO and not receive a second uplink message from the second UE with the invalid RO.

[0207] In a possible implementation, the transmit/receive module 1001 is further configured to send an invalid resource mode to the first UE, wherein the invalid resource mode indicates an invalid RO.

[0208] In a possible implementation, the processing module 1002 is further configured to determine a first RO resource in a set of RO resources used by the first UE to send the second uplink message; determine a second RO resource in the set of RO resources as an invalid RO, wherein an SSB index mapped by the second RO resource matches an SSB index mapped by the first RO resource; and determine a mode of the invalid resource based on the invalid RO.

[0209] In a possible implementation, the physical channel for the second uplink message includes a PRACH and/or a PUSCH.

[0210] When the communication device is a network device, its structure may also be as shown in Fig. 11. The structure of the communication device is described using the network device 101, which is a base station, as an example. As shown in Fig. 11, the device 1100 includes a memory 1101, a processor 1102, a transmit/receive component 1103, and a power supply component 1106. The memory 1101 is connected to the processor 1102 and can be used to store programs and data required by the communication device 1100 to implement various functions. The processor 1102 is configured to support the communication device 1100 to perform the corresponding functions in the above methods, and the functions can be implemented by calling the programs stored in the memory 1101. The transmit/receive component 1103 may be a wireless transceiver that can be used to support the communication device 1100 to receive signals and/or data and to send signals and/or data via a radio interface. The transceiver component 1103 may also be called a transceiver unit or a communication unit. The transceiver component 1103 may include a radio frequency (RF) component 1104 and one or more antennas 1105. The RF component 1104 may be a remote radio unit (RRU), which may be specifically used for transmitting RF signals and converting RF signals into baseband signals. One or more antennas 1105 may be specifically used for emitting and receiving RF signals.

[0211] When the device 1100 needs to send data, the processor 1102 can perform baseband processing on the data for sending and output a baseband signal to the RF component. The RF component performs RF processing on the baseband signal and then sends the RF signal in the form of electromagnetic waves through the antenna. When data is sent to the communication device 1100, the RF component receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor 1102. The processor 1102 converts the baseband signal into data and processes the data.

[0212] Other implementations of the embodiments of the present invention may be apparent to those skilled in the art from the present description and the embodiments of the invention disclosed herein. The present invention is intended to cover any modifications, applications or adaptations of the embodiments of the present invention that follow the general principles of the embodiments of the present invention and include common knowledge or conventional techniques in the art that are not disclosed in the present invention. It is intended that the description and examples be considered as exemplary only, and the true scope and spirit of the embodiments of the invention be indicated in the claims.

[0213] It should be understood that the embodiments of the present invention are not limited to the precise structures described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope of the invention. The scope of the embodiments of the invention is limited only by the appended claims.

Industrial applicability

[0214] A time domain portion corresponding to an overlapping resource is determined between a resource for repetitions of the first uplink message and a physical channel resource of the second uplink message, and the current UE does not send the first uplink message and the second uplink message simultaneously with another UE in the time domain portion, so that resource collision between different uplink messages is prevented, interference between channel transmissions of different UEs is reduced, and thus the random access success rate of the UE is improved.

Claims (31)

1. A method for handling resource collisions performed by a user equipment (UE), comprising: determining at least one time domain block corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A; a decision not to send the first uplink message and the second uplink message simultaneously in said at least one time domain block; and determining that the available time domain block includes the at least one time domain block; determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; wherein the decision not to send the first uplink message and the second uplink message simultaneously in said at least one time domain block comprises the following: a decision not to send the first uplink message in said at least one time domain block. 2. The method according to claim 1, wherein determining said at least one time domain block corresponding to an overlapping resource between a resource for repetitions of the first uplink message and a physical channel resource for the second uplink message includes: determining a first resource in a set of resources used to send a second uplink message; and determining a second resource in the set of resources, wherein the synchronization signal block (SSB) index represented by the second resource matches the SSB index represented by the first resource; and determining at least one time domain block corresponding to an overlapping resource between the second resource and the resource for repetitions of the first uplink message. 3. The method according to paragraph 2, additionally comprising: receiving configuration information sent by the network device, wherein the configuration information specifies a set of resources used to send the second uplink message. 4. The method according to claim 1, further comprising: determining an invalid interval of possible transmission (RO) on a random access channel (RACH) in a physical channel resource, wherein said at least one time domain block includes the invalid RO; wherein the failure to send the first uplink message and the second uplink message simultaneously in said at least one time domain block comprises the following: if the second uplink message is not sent in the invalid RO, sending the first uplink message in the invalid RO. 5. The method according to any one of claims 1-4, wherein the physical channel for the second uplink message comprises a physical random access channel (PRACH) and/or a physical uplink shared channel (PUSCH). 6. A method for handling a resource collision performed by a network device, comprising: determining at least one time domain block for a user equipment (UE) corresponding to an overlapping resource between a resource for repetitions of a first uplink message and a physical channel resource for a second uplink message, wherein the first uplink message is msg.3 and the second uplink message is msg.1 or msg.A; and if the first uplink message and the second uplink message have not been sent simultaneously in said at least one time domain block of the UE, receiving (S702) the first uplink message or the second uplink message in said at least one time domain block; and determining that the available time domain block includes said at least one time domain block; and determining a resource for repetitions of the first uplink message based on the available time domain block or calculating a number of repetitions based on the available time domain block; wherein receiving the first uplink message or the second uplink message in said at least one time domain block includes: failure to receive the first uplink message in said at least one time domain block. 7. The method according to paragraph 6, additionally comprising: determining an invalid interval of opportunity (RO) over a random access channel (RACH) in a physical channel resource, wherein said at least one time domain block includes the invalid RO; wherein receiving the first uplink message or the second uplink message in said at least one time domain block includes: reception of the first uplink message in an invalid RO and failure to receive the second uplink message in an invalid RO. 8. The method according to any one of paragraphs 6, 7, wherein the physical channel for the second uplink message includes a physical random access channel (PRACH) and/or a physical uplink shared channel (PUSCH). 9. User equipment, including: memory that stores a computer program; and a processor configured to execute a computer program for implementing the method according to any one of claims 1-5.