Communication method, terminal, network device, communication system, computer program product and storage medium

Abstract

Provided in the embodiments of the present disclosure are a communication method, a terminal, a network device, a communication system, a computer program product and a storage medium. The method comprises: receiving at least one piece of random access channel (RACH) resource configuration information sent by a network device; receiving first information sent by the network device; and on the basis of the first information, determining a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information. The technical solution provided in the embodiments of the present disclosure can clearly determine an RA-RNTI corresponding to RACH resource configuration information.

Description

Communication method, terminal, network device, communication system, computer program product and storage medium TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of communication, and in particular to a communication method, a terminal, a network device, a communication system, a computer storage medium and a storage medium. BACKGROUND

[0002] In the technical field of communication, after a terminal transmits a preamble, a random access response (RAR) needs to be monitored, the RAR being downlink control information (DCI) scheduled by a random access radio network temporary identifier (RA-RNTI).

[0003] SUMMARY

[0004] In the case of configuring at least one random access channel (RACH) resource configuration information, how to determine the RA-RNTI corresponding to the RACH resource configuration information needs to be considered.

[0005] According to a first aspect of embodiments of the present disclosure, the embodiments of the present disclosure provide a communication method, the method being performed by a terminal, and the method comprising:

[0006] receiving at least one random access channel (RACH) resource configuration information transmitted by a network device;

[0007] receiving first information transmitted by the network device, and determining a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information based on the first information;

[0008] The first information comprises at least one of the following:

[0009] an index associated with the RACH resource configuration information;

[0010] an extended number, the number being used to indicate an uplink (UL) carrier;

[0011] a first offset, the first offset being used to adjust a reference RA-RNTI.

[0012] According to a second aspect of embodiments of the present disclosure, a communication method is provided, the method being performed by a network device, and the method comprising:

[0013] send at least one RACH resource configuration information to a terminal;

[0014] send first information to a terminal; wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information comprises at least one of the following:

[0015] an index associated with the RACH resource configuration information;

[0016] an extended number, wherein the number is used to indicate an uplink (UL) carrier;

[0017] a first offset, wherein the first offset is used to adjust a reference RA-RNTI.

[0018] According to a third aspect of the embodiments of the present disclosure, a communication method is provided, and the method comprises:

[0019] a network device sends at least one RACH resource configuration information to a terminal;

[0020] the network device sends first information to the terminal;

[0021] wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information comprises at least one of the following:

[0022] an index associated with the RACH resource configuration information;

[0023] an extended number, wherein the number is used to indicate an uplink (UL) carrier;

[0024] a first offset, wherein the first offset is used to adjust a reference RA-RNTI.

[0025] According to a fourth aspect of the embodiments of the present disclosure, a terminal is provided, and the terminal comprises:

[0026] a transceiver module, configured to: receive at least one random access channel (RACH) resource configuration information sent by a network device; and receive first information sent by the network device;

[0027] a processing module, configured to: determine a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information based on the first information;

[0028] wherein the first information comprises at least one of the following:

[0029] an index associated with the RACH resource configuration information;

[0030] an extended number, wherein the number is used to indicate an uplink (UL) carrier;

[0031] a first offset, the first offset being used to adjust a reference RA-RNTI.

[0032] According to a fifth aspect of the embodiments of the present disclosure, a network device is provided, which comprises:

[0033] a transceiver configured to:

[0034] send at least one RACH resource configuration information to a terminal;

[0035] send first information to the terminal, wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information, and the first information is at least one of:

[0036] an index associated with the RACH resource configuration information;

[0037] an extended number, the number being used to indicate an uplink (UL) carrier;

[0038] a first offset, the first offset being used to adjust a reference RA-RNTI.

[0039] According to a sixth aspect of the embodiments of the present disclosure, a communication system is provided, wherein the communication system comprises a terminal and a network device; the terminal is configured to implement the method of the first aspect, and the network device is configured to implement the method of the second aspect.

[0040] According to a seventh aspect of the embodiments of the present disclosure, a terminal is provided, which comprises:

[0041] one or more processors;

[0042] wherein the terminal is configured to implement the method of the first aspect.

[0043] According to an eighth aspect of the embodiments of the present disclosure, a network device is provided, which comprises:

[0044] one or more processors;

[0045] wherein the network device is configured to implement the method of the second aspect.

[0046] According to a ninth aspect of the embodiments of the present disclosure, a storage medium is provided, wherein the storage medium stores instructions, when the instructions run on a communication device, the communication device executes the method provided by the first aspect and / or the second aspect.

[0047] The technical solution provided by the embodiments of the present disclosure can determine the RA-RNTI corresponding to the RACH resource configuration information.

[0048] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and are not intended to limit the embodiments of the present disclosure. BRIEF DESCRIPTION OF DRAWINGS

[0049] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the following describes the drawings required for the embodiment description. The following drawings are only some embodiments of the present disclosure, and do not specifically limit the protection scope of the present disclosure.

[0050] FIG. 1a is a schematic diagram of a communication system architecture according to an example embodiment;

[0051] FIG. 1b is a schematic diagram of SBFD according to an example embodiment;

[0052] FIG. 1c is a schematic diagram of a random access procedure according to an example embodiment;

[0053] FIG. 1d is a schematic diagram of a random access procedure according to an example embodiment;

[0054] FIG. 1e is a schematic diagram of RACH configuration according to an example embodiment;

[0055] FIG. 2a is a schematic diagram of a communication method flow according to an example embodiment;

[0056] FIG. 2b is a schematic diagram of RACH configuration according to an example embodiment;

[0057] FIG. 3a is a schematic diagram of a communication method flow according to an example embodiment;

[0058] FIG. 3b is a schematic diagram of a communication method flow according to an example embodiment;

[0059] FIG. 4a is a schematic diagram of a communication method flow according to an example embodiment;

[0060] FIG. 4b is a schematic diagram of a communication method flow according to an example embodiment;

[0061] FIG. 5a is a schematic diagram of a communication method flow according to an example embodiment;

[0062] FIG. 6a is a schematic diagram of a structure of a terminal according to an example embodiment;

[0063] FIG. 6b is a schematic diagram of a structure of a network device according to an example embodiment;

[0064] FIG. 7a is a schematic diagram of a structure of a UE according to an example embodiment;

[0065] FIG. 7b is a structural schematic diagram of a communication device according to an example embodiment. DETAILED DESCRIPTION

[0066] Embodiments of the present disclosure provide a communication method, a terminal, a network device, a communication system, a computer program product and a storage medium.

[0067] In a first aspect, embodiments of the present disclosure provide a communication method, the method being performed by a terminal, and the method comprising:

[0068] receiving at least one random access channel, RACH, resource configuration information sent by a network device;

[0069] receiving first information sent by the network device;

[0070] determining a random access radio network temporary identifier, RA-RNTI, corresponding to the RACH resource configuration information based on the first information;

[0071] The first information comprises at least one of the following:

[0072] an index associated with the RACH resource configuration information;

[0073] an extended number, the number being used to indicate an uplink, UL, carrier;

[0074] a first offset, the first offset being used to adjust a reference RA-RNTI.

[0075] In the above embodiments, since the RA-RNTI corresponding to the RACH resource configuration information can be determined explicitly and flexibly based on the index associated with the RACH resource configuration information, the extended number and / or the first offset, the listening of the RA-RNTI is more reliable.

[0076] In some embodiments in combination with the first aspect, in some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration comprises a valid random access channel occasion, RO, associated with the RA-RNTI and set on sub-band full duplex, SBFD, symbols; and the second RACH resource configuration comprises a valid RO associated with the RA-RNTI and set on uplink, UL, symbols or flexible symbols.

[0077] In the above embodiments, two kinds of RACH resource configuration information can be configured and the corresponding RO types can be different.

[0078] In some embodiments of the first aspect, in some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; and the first information is an index associated with the RACH resource configuration information.

[0079] The index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

[0080] In the above embodiments, the different values of the index can be used to indicate whether the configured RACH resource configuration information is the first RACH resource configuration information or the second RACH resource configuration information, and the indication method is more flexible and reliable.

[0081] In some embodiments of the first aspect, in some embodiments, the first information is an extended number, and a quantity of the extended number is greater than a quantity threshold.

[0082] In the above embodiments, since the quantity of the extended number is greater than the quantity threshold, the determination of the RA-RNTI corresponding to the RACH resource configuration information is more flexible.

[0083] In some embodiments of the first aspect, in some embodiments, the number is determined based on a type of the carrier and / or frequency information corresponding to the carrier, and the carrier includes a non-supplementary uplink (NUL) carrier and a supplementary uplink (SUL) carrier.

[0084] In the above embodiments, the number can be reliably and flexibly determined based on the type of the carrier and / or the frequency information corresponding to the carrier.

[0085] In some embodiments of the first aspect, in some embodiments, the first information is a first offset, and the RACH resource configuration information includes first RACH resource configuration information and second RACH resource configuration information.

[0086] The determining, based on the first information, of a random access radio network temporary identifier (RA-RNTI) corresponding to RACH resource configuration information includes:

[0087] Determining, based on the first RA-RNTI and the first offset, of a second RA-RNTI.

[0088] The first RA-RNTI is a RA-RNTI corresponding to the first RACH resource configuration information, and the second RA-RNTI is a RA-RNTI corresponding to the second RACH resource configuration information.

[0089] In the above embodiment, the second RA-RNTI can be determined based on the first RA-RNTI and the first offset, and the first RA-RNTI can be avoided from being the same as the second RA-RNTI, thereby causing a conflict.

[0090] In combination with some embodiments of the first aspect, in some embodiments, different RACH resource configuration information is associated with different random access response (RAR) search spaces, and different RACH resource configuration information is associated with the same RA-RNTI, and the method further includes:

[0091] Monitoring the RA-RNTI based on the RAR search space associated with the RACH resource configuration information.

[0092] In the above embodiment, different RA-RNTIs corresponding to different RACH resource configuration information can be monitored by distinguishing different RAR search spaces.

[0093] In combination with some embodiments of the first aspect, in some embodiments, the method further includes:

[0094] Determining that a random access message (MSG3) is transmitted on a SFBD symbol, and determining a second transmission power of the MSG3 based on at least a first transmission power and a second offset;

[0095] The first transmission power is a power of a last transmitted preamble.

[0096] In the above embodiment, since the second transmission power is determined based on the first transmission power and the second offset, the first transmission power is essentially adjusted to better transmit the MSG3 on the SFBD symbol and reduce interference.

[0097] In combination with some embodiments of the first aspect, in some embodiments, the method further includes:

[0098] Receiving second information sent by the network device;

[0099] The second information is used to indicate the second offset.

[0100] In the above embodiment, the second information can be obtained from the network device.

[0101] In combination with some embodiments of the first aspect, in some embodiments, each RACH resource configuration information is associated with one second offset.

[0102] In the above embodiment, since each RACH resource configuration information is associated with one second offset, the second transmission power can be determined accordingly.

[0103] In some embodiments of the first aspect, in some embodiments, the different RACH resource configuration information is associated with different at least one of the following:

[0104] a size of MSG3;

[0105] a type of the terminal;

[0106] a power class of the terminal;

[0107] a mobility state of the terminal;

[0108] a type of service.

[0109] In some embodiments, the different RACH resource configuration information can be associated with different at least one of the following: a size of MSG3, a type of the terminal, a power class of the terminal, a mobility state of the terminal, and a type of service.

[0110] In a second aspect, the embodiments of the present disclosure provide a communication method, the method being performed by a network device, and the method comprising:

[0111] sending, to a terminal, at least one RACH resource configuration information;

[0112] sending, to the terminal, first information; wherein the first information is used by the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information is at least one of the following:

[0113] an index associated with the RACH resource configuration information;

[0114] an extended number, the number being used to indicate an uplink (UL) carrier;

[0115] a first offset, the first offset being used to adjust a reference RA-RNTI.

[0116] In some embodiments of the second aspect, in some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration information comprises a valid random access channel occasion (RO) associated with the RA-RNTI and set on a sub-band full duplex (SBFD) symbol, and the second RACH resource configuration information comprises a valid RO associated with the RA-RNTI and set on an uplink (UL) symbol or a flexible symbol; the first type of RO is the RO set on the SBFD symbol, and the second type of RO is the RO set on the UL symbol or the flexible symbol.

[0117] In some embodiments of the second aspect, in some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first information is an index associated with the RACH resource configuration information; the index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

[0118] In some embodiments of the second aspect, in some embodiments, the first information is an extended number, and a quantity of the extended number is greater than a quantity threshold.

[0119] In some embodiments of the second aspect, in some embodiments, the number is determined based on a type of the carrier and / or frequency information corresponding to the carrier, and the carrier includes a non-supplementary uplink (NUL) carrier and a supplementary uplink (SUL) carrier.

[0120] In some embodiments of the second aspect, in some embodiments, the first information is a first offset, the RACH resource configuration information includes first RACH resource configuration information and second RACH resource configuration information, and the first offset is used for the terminal to determine a second RA-RNTI based on a first RA-RNTI and the first offset; the first RA-RNTI is a RA-RNTI corresponding to the first RACH resource configuration information; and the second RA-RNTI is a RA-RNTI corresponding to the second RACH resource configuration information.

[0121] In some embodiments of the second aspect, in some embodiments, different RACH resource configuration information is associated with different random access response (RAR) search spaces, and RA-RNTIs corresponding to different RACH resource configuration information are the same.

[0122] In some embodiments of the second aspect, in some embodiments, each RACH resource configuration information is associated with a second offset, and the second offset is used to determine a transmission power of MSG3.

[0123] In some embodiments of the second aspect, in some embodiments, different RACH resource configuration information is associated with different at least one of the following information:

[0124] a size of MSG3;

[0125] a type of the terminal;

[0126] a power class of the terminal;

[0127] a movement state of the terminal;

[0128] a type of the service.

[0129] In a third aspect, the embodiments of the present disclosure provide a communication method, the method comprising:

[0130] sending, by a network device, at least one random access channel (RACH) resource configuration information to a terminal;

[0131] sending, by the network device, first information to the terminal;

[0132] The first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information, and the first information comprises at least one of the following:

[0133] The RACH resource configuration information indicates an associated index.

[0134] An extended number, the number being used to indicate an uplink (UL) carrier.

[0135] A first offset, the first offset being used to adjust a reference RA-RNTI.

[0136] In a fourth aspect, the embodiments of the present disclosure provide a terminal, the terminal comprising:

[0137] a transceiver module, configured to: receive at least one random access channel (RACH) resource configuration information sent by a network device; and receive first information sent by the network device;

[0138] a processing module, configured to: determine, based on the first information, a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information;

[0139] The first information comprises at least one of the following:

[0140] An index associated with the RACH resource configuration information.

[0141] An extended number, the number being used to indicate an uplink (UL) carrier.

[0142] A first offset, the first offset being used to adjust a reference RA-RNTI.

[0143] In a fifth aspect, the embodiments of the present disclosure provide a network device, the network device comprising:

[0144] a transceiver module, configured to:

[0145] send at least one random access channel (RACH) resource configuration information to a terminal;

[0146] transmitting first information to the terminal, wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information is at least one of the following:

[0147] an index associated with the RACH resource configuration information;

[0148] an extended number, wherein the number is used to indicate an uplink (UL) carrier;

[0149] a first offset, wherein the first offset is used to adjust a reference RA-RNTI.

[0150] In a sixth aspect, the embodiments of the present disclosure provide a communication system, including a terminal and a network device; the terminal is configured to implement the method of the first aspect, and the network device is configured to implement the method of the second aspect.

[0151] In a seventh aspect, the embodiments of the present disclosure provide a terminal, including:

[0152] one or more processors;

[0153] The terminal is configured to implement the method provided in the first aspect.

[0154] In an eighth aspect, the embodiments of the present disclosure provide a network device, including:

[0155] one or more processors;

[0156] The network device is configured to implement the method provided in the second aspect.

[0157] In a ninth aspect, the embodiments of the present disclosure provide a storage medium, wherein the storage medium stores instructions, and when the instructions run on a communication device, the communication device executes the method described in the optional implementation manner of the first aspect and / or the second aspect.

[0158] In a tenth aspect, the embodiments of the present disclosure provide a program product, and when the program product is executed by a communication device, the communication device executes the method described in the optional implementation manner of the first aspect and / or the second aspect.

[0159] In an eleventh aspect, the embodiments of the present disclosure provide a computer program, and when the computer program runs on a computer, the computer executes the method described in the optional implementation manner of the first aspect and / or the second aspect.

[0160] In a twelfth aspect, the embodiments of the present disclosure provide a chip or chip system. The chip or chip system includes processing circuitry configured to execute the method described in the optional implementation manner of the first aspect and / or the second aspect.

[0161] It can be understood that the terminal, network device, communication system, storage medium, program product, computer program, chip or chip system described above are used to execute the method proposed in the embodiments of the present disclosure. Therefore, the beneficial effects achieved thereby can refer to the beneficial effects in the corresponding method, which will not be described here.

[0162] The embodiments of the present disclosure propose a communication method, a terminal, a communication system and a storage medium. In some embodiments, the communication method and the information indication method, information processing method, information transmission method and the like can be replaced with each other, and the communication system and the information processing system and the like can be replaced with each other.

[0163] The embodiments of the present disclosure are not exhaustive, but only illustrate some embodiments, and are not specific limitations on the protection scope of the present disclosure. In the case of no contradiction, each step in an embodiment can be implemented as an independent embodiment, and the steps can be combined arbitrarily, for example, the scheme after removing some steps in an embodiment can also be implemented as an independent embodiment, and the order of the steps in an embodiment can be exchanged arbitrarily, in addition, the optional implementation manners in an embodiment can be combined arbitrarily; in addition, the embodiments can be combined arbitrarily, for example, the steps of different embodiments or part or all of the steps of different embodiments can be combined arbitrarily, an embodiment can be combined with the optional implementation manners of other embodiments.

[0164] In the embodiments of the present disclosure, the terms and / or descriptions between the embodiments are consistent and can be referred to each other if there is no special description and logical conflict, and the technical features in different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0165] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments, and not as a limitation on the present disclosure.

[0166] In the embodiments of the present disclosure, unless otherwise specified, the elements expressed in singular form, such as "one", "a", "the", "above", "said", "preceding", "this" and the like, can represent "one and only one", or "one or more", "at least one" and the like. For example, in the case of using articles such as "a", "an", "the" and the like in English, the noun after the article can be understood as singular expression, or can be understood as plural expression.

[0167] In the embodiments of the present disclosure, "a plurality of" means two or more.

[0168] In some embodiments, the terms "at least one of," "one or more of," "a plurality of," "multiple," and the like can be used interchangeably.

[0169] In some embodiments, the recitations "at least one of A, B," "A and / or B," "in one case A, in another case B," "in response to a case A, in response to a case B," and the like can include the following technical solutions according to the case: in some embodiments A (A is executed regardless of B); in some embodiments B (B is executed regardless of A); in some embodiments, A and B are selectively executed (A and B are selectively executed); in some embodiments, A and B (A and B are executed). When there are more branches such as A, B, C, and the like, the above is similar.

[0170] In some embodiments, the recitations "A or B" and the like can include the following technical solutions according to the case: in some embodiments A (A is executed regardless of B); in some embodiments B (B is executed regardless of A); in some embodiments, A and B are selectively executed (A and B are selectively executed). When there are more branches such as A, B, C, and the like, the above is similar.

[0171] The prefix words "first", "second", and the like in the embodiments of the present disclosure are only used to distinguish different description objects, and do not constitute a limitation on the position, order, priority, quantity, or content of the description objects. The description of the description objects should refer to the description in the context of the claims or embodiments, and should not constitute an additional limitation because of the use of the prefix words. For example, the description objects are "fields", and the ordinal words before "fields" in "first field" and "second field" do not limit the position or order between "fields", and "first" and "second" do not limit whether the "fields" modified thereby are in the same message or not, nor limit the order of "first field" and "second field". For another example, the description objects are "levels", and the ordinal words before "levels" in "first level" and "second level" do not limit the priority between "levels". For another example, the quantity of the description objects is not limited by the ordinal words, and can be one or more. For example, "first device", wherein the quantity of "devices" can be one or more. In addition, the objects modified by different prefix words can be the same or different, for example, the description objects are "devices", and "first device" and "second device" can be the same device or different devices, and the types thereof can be the same or different; for another example, the description objects are "information", and "first information" and "second information" can be the same information or different information, and the content thereof can be the same or different.

[0172] In some embodiments, "comprising", "including", "to indicate", "carrying", can be interpreted as directly carrying A, or indirectly indicating A.

[0173] In some embodiments, the terms "in response to", "in response to determining", "in the case of", "when", "when", "if", "if" and the like can be replaced with each other.

[0174] In some embodiments, the terms "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", "above" and the like can be replaced with each other, and the terms "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", "below" and the like can be replaced with each other.

[0175] In some embodiments, the apparatus and device can be interpreted as physical or virtual, and its name is not limited to the name described in the embodiments, and in some cases can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject" and the like.

[0176] In some embodiments, "network" can be interpreted as an apparatus included in the network, such as an access network device, a core network device, and the like.

[0177] In some embodiments, an “access network device (AN device)” can also be referred to as a “radio access network device (RAN device),” a “base station (BS),” a “radio base station,” a “fixed station,” and in some embodiments can also be understood as a “node,” an “access point,” a “transmission point (TP),” a “reception point (RP),” a “transmission / reception point (TRP),” a “panel,” an “antenna panel,” an “antenna array,” a “cell,” a “macro cell,” a “small cell,” a “femto cell,” a “pico cell,” a “sector,” a “cell group,” a “serving cell,” a “carrier,” a “component carrier,” a “bandwidth part (BWP),” and the like.

[0178] In some embodiments, a "terminal" or "terminal device" can be referred to as a "user equipment" (UE), a "user terminal," a "mobile station" (MS), a "mobile terminal" (MT), a subscriber station, a mobile unit, a subscriber unit, a wireless unit, a remote unit, a mobile device, a wireless device, a wireless communication device, a remote device, a mobile subscriber station, an access terminal, a mobile terminal, a wireless terminal, a remote terminal, a handset, a user agent, a mobile client, a client, and / or the like.

[0179] In some embodiments, data, information and / or the like can be obtained in compliance with laws and regulations of a country where the data, information and / or the like is obtained.

[0180] In some embodiments, data, information and / or the like can be obtained after consent of a user.

[0181] In addition, each element, each row, or each column in a table of embodiments of the present disclosure can be implemented as an independent embodiment, and a combination of any element, any row, or any column can also be implemented as an independent embodiment.

[0182] FIG. 1a is a schematic diagram of an architecture of a communication system according to embodiments of the present disclosure.

[0183] As shown in FIG. 1a, a communication system 100 includes a terminal 101 and a network device 102.

[0184] In some embodiments, the network device 102 can include at least one of an access network device 1021 and a core network device 1022.

[0185] In some embodiments, the terminal includes at least one of a mobile phone, a wearable device, an Internet of Things device, a communication-capable automobile, a smart automobile, a tablet (Pad), a wireless transceiver-equipped computer, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, a wireless terminal device in a smart home, and the like, but is not limited thereto.

[0186] In some embodiments, the access network device can be at least one of a node or a device that accesses a terminal to a wireless network, and can include an evolved NodeB (eNB) in a 5G communication system, a next generation eNB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved node B (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an Open RAN, a Cloud RAN, a base station in other communication systems, an access node in a Wi-Fi system, and the like, but is not limited thereto.

[0187] In some embodiments, the technical solutions of the present disclosure can be applied to an Open RAN architecture, in which case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can become internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0188] In some embodiments, the access network device can be composed of a central unit (CU) and a distributed unit (DU), where the CU can also be referred to as a control unit. The CU-DU structure can split the protocol layers of the access network device, with some of the protocol layers being controlled by the CU and the rest of the protocol layers or all of the protocol layers being distributed in the DUs and controlled by the CU, but is not limited thereto.

[0189] In some embodiments, the core network device can be one device including one or more network elements, or can be multiple devices or device groups including all or part of the one or more network elements. The network element can be virtual or physical. The core network includes at least one of an evolved packet core (EPC), a 5G core network (5GCN), and a next-generation core (NGC).

[0190] It can be understood that the communication system described in the embodiments of the present disclosure is for more clearly illustrating the technical solutions of the embodiments of the present disclosure, and does not constitute a limitation on the technical solutions provided by the embodiments of the present disclosure. Those skilled in the art can know that, as the system architecture evolves and new business scenarios appear, the technical solutions provided by the embodiments of the present disclosure are also applicable to similar technical problems.

[0191] The following embodiments of the present disclosure can be applied to the communication system 100 shown in FIG. 1a or part of the subject, but are not limited thereto. The subjects shown in FIG. 1a are exemplary, and the communication system can include all or part of the subjects in FIG. 1a, or include other subjects other than those in FIG. 1a. The number and form of each subject is arbitrary, and the connection relationship between the subjects is exemplary. The subjects can not be connected or can be connected, and the connection can be in any manner, can be direct connection or indirect connection, and can be wired connection or wireless connection.

[0192] Embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), Future Radio Access (FRA), New-Radio Access Technology (RAT), New Radio (NR), New radio access (NX), Future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (Bluetooth (registered trademark)), Public Land Mobile Network (PLMN) network, Device-to-Device (D2D) system, Machine to Machine (M2M) system, Internet of Things (IoT) system, Vehicle-to-Everything (V2X), system using other communication methods, next-generation system expanded based thereon, and the like. Further, a plurality of systems can be combined (for example, combination of LTE or LTE-A and 5G, and the like).

[0193] Currently, as people pursue rate, delay, high-speed mobility, energy efficiency, and the diversity and complexity of services in future life, the 3rd Generation Partnership Project (3GPP) international standards organization has started to develop 5G.

[0194] In some embodiments, the main application scenarios of 5G are: enhanced mobile broadband (eMBB), ultra reliable low latency communications (URLLC), and massive machine type communications (mMTC).

[0195] In some embodiments, eMBB still targets users to obtain multimedia content, services and data, and its demand is growing rapidly. On the other hand, since eMBB can be deployed in different scenarios, such as indoor, urban, rural, etc., the difference between its capabilities and requirements is relatively large, so it cannot be generalized and must be analyzed in detail in combination with the specific deployment scenario.

[0196] In some embodiments, typical applications of URLLC include: industrial automation, power automation, remote medical operation (surgery), traffic safety guarantee, etc.

[0197] In some embodiments, typical features of mMTC include: high connection density, small data volume, latency-insensitive services, low-cost modules, and long service life, etc.

[0198] In some embodiments, the time division duplex (TDD) ratio of 5G network includes two kinds of semi-static configuration and dynamic indication. The semi-static configuration includes cell-level TDD configuration: tdd-UL-DL-ConfigurationCommon, and UE-specific level configuration: TDD-UL-DL-ConfigDedicated. The tdd-UL-DL-ConfigurationCommon is configured in ServingCellConfigCommonSIB per cell through system broadcast. The TDD-UL-DL-ConfigDedicated is also configured in ServingCellConfig per cell and per UE through radio resource control (RRC) dedicated signaling. The TDD-UL-DL-ConfigDedicated can configure some flexible slots in tdd-UL-DL-ConfigurationCommon as downlink slots (DL slots) or uplink slots (UL slots), or as part of downlink slots (DL slots) and part of uplink slots (UL slots).

[0199] In some embodiments, semi-static configuration selection is based on statistical analysis of network downlink and uplink traffic when designing the network. High uplink requirements, such as events like sports games, concerts, etc. will require more uplink traffic, as videos and pictures are uploaded to social media; high downlink requirements, such as streaming of high-definition video content, etc.

[0200] In some embodiments, dynamic TDD changes a flexible slot to a DL slot or a UL slot (except 255) within a certain time window by a physical downlink control channel (PDCCH) (e.g., DCI format 2-0). This way of dynamically allocating resources according to traffic requirements can improve system performance and spectral efficiency. However, it can cause cross-circuit interference (CLI) problems.

[0201] In some embodiments, for asymmetric spectrum for TDD operation, in order to improve UL coverage, reduce latency, improve system capacity, and improve configuration flexibility, 5G R18 SI discusses SBFD (Subband non-overlapping Full Duplex) technology. The SBFD technology allows the gNB side to transmit and receive simultaneously, while the UE side is still half duplex.

[0202] In some embodiments, subband full duplex (SBFD) is a new duplexing scheme studied by 3GPP in Rel-18. This scheme divides non-overlapping uplink / downlink subbands within a TDD single carrier and performs data transmission and reception on the subbands, respectively, to achieve full duplex at the base station side.

[0203] In some embodiments, under the subband full duplex scheme, an SBFD subband consists of one resource block or multiple consecutive resource blocks and is used to transmit data in the same link direction (downlink or uplink). An SBFD symbol refers to a symbol containing an SBFD operating subband. In the Rel-18 study, there is at most one uplink subband in a SBFD symbol of a TDD carrier for SBFD operation. The uplink subband can be at one side of the carrier or in the middle of the carrier in the frequency domain. The network configures the time and frequency domain resources of the SBFD subband.

[0204] Please refer to FIG. 1b, which is an example of sub-band full duplex (SBFD), where “D” indicates downlink and “U” indicates uplink. SBFD symbols are configured in the second, third and fourth time slots, which contain uplink sub-bands.

[0205] In some embodiments, the UE generally sends a message MSG1 to the network side, receives MSG2, sends MSG3, and receives MSG4, all of which are completed in one cell. The following steps are included (which can be four steps (4STEP), such as FIG. 1c, or two steps (2STEP), such as FIG. 1d):

[0206] First step:

[0207] 1.1 The terminal determines the relationship between the synchronization signal block (SSB, Synchronization Signal / PBCH Block) and the preamble preamble of the physical random access channel (PRACH, Physical Random Access Channel) resource (configured by the upper layer);

[0208] 1.2 Receive a set of SSBs and determine their reference signal receiving power (RSRP, Reference Signal Receiving Power) values, and select a suitable SSB according to the threshold;

[0209] 1.3 Determine the RACH resource and preamble resource range based on the selected SSB and the correspondence between the SSB and the RACH resource;

[0210] 1.4 Select a preamble group according to the size of Msg3; then randomly select a preamble;

[0211] 1.5 Set the target received power: preambleReceivedTargetPower+DELTA_PREAMBLE+(PREAMBLE_POWER_RAMPING_COUNTER-1)×powerRampingStep;

[0212] 1.6 Send the sequence on the PRACH time-frequency domain resource.

[0213] Second step:

[0214] 2.1 Determine the RA-RNTI according to the PRACH time-frequency domain resource where msg1 is sent; calculate the RA-RNTI: RA-RNTI = 1 + s_id + 14 × t_id + 14 × 80 × f_id + 14 × 80 × 8 × ul_carrier_id;

[0215] 2.2 UE opens the ra-Response Window after the first PDCCH occasion after sending the preamble and listens to the PDCCH scrambled with RA-RNTI during the running of the time window to receive the RAR corresponding to the RA-RNTI;

[0216] 2.3 If no RAR is received or no RAR corresponding to the RAPID corresponding to the sent preamble is received within the RAR monitoring window, power ramping is performed (whether to ramp depends on whether to switch beam) and retransmission of msg1 is performed;

[0217] 2.4 If a RAR is received within the RAR monitoring window, if it is the first time to receive the RAR, the MAC PDU is obtained from the multiplexing and assembling entity, and the MSG3 buffer is stored as the MAC PDU.

[0218] Third step:

[0219] 3.1 If the UE does not have its own cell radio network temporary identifier (C-RNTI), the execution of the RACH is triggered by the common control channel (CCCH), at this time the MSG3 is the MAC PDU generated by the input service data unit (SDU) of the CCCH; if the UE has its own C-RNTI, the UE indicates the multiplexing and assembling entity to contain the C-RNTI MAC CE, at this time the MSG3 is the MAC PDU generated by the C-RNTI MAC CE;

[0220] 3.2 The MAC PDU is obtained from the MSG3 buffer, and the MAC PDU is transmitted based on the uplink grant (UL Grant) in the random access response (RAR);

[0221] 3.3 After the transmission of Msg3, the ra-ContentionResolutionTimer is started and the PDCCH is listened to during the running of the timer; if the MSG3 contains the C-RNTI MAC CE, the UE listens to the PDCCH scrambled with the C-RNTI, if the MSG3 does not contain the C-RNTI MAC CE, the UE listens to the temporary C-RNTI, and receives the MSG4;

[0222] 3.4 When Msg3 is retransmitted by HARQ, the timer is restarted; the UE keeps monitoring PDCCH until the timer expires or stops; MSG3 HARQ retransmission is scheduled by temporary C-RNTI scrambling.

[0223] Step 4: Conflict resolution

[0224] 4.1 If C-RNTI MAC CE is included in MSG3, the UE monitors PDCCH scrambled by the C-RNTI; if it is monitored, it is considered that the conflict resolution is successful. If it is not monitored, it is considered that the conflict resolution fails;

[0225] 4.2 If C-RNTI MAC CE is not included in MSG3, the UE monitors temporary C-RNTI, receives MSG4. If MSG4 is received and can be matched with CCCH SDU, the conflict resolution is successful, otherwise the conflict resolution fails;

[0226] 4.3 If the conflict resolution fails, the UE performs power ramping (whether to ramp depends on whether to switch the beam) and retransmits MSG1.

[0227] In some embodiments, after the UE sends the preamble, it needs to monitor the RAR, which is scheduled by DCI scrambled by RA-RNTI. In New Radio (NR), the calculation of RA-RNTI is as follows: (14x80x8x2 in message B MSGB-RNTI is to distinguish the RNTI of 2step RACH and 4step RACH without conflict):

[0228] MSGB-RNTI = 1 + s_id + 14x t_id + 14x80x f_id + 14x80x8x ul_carrier_id + 14x80x8x2;

[0229] RA-RNTI = 1 + s_id + 14x t_id + 14x80x f_id + 14x80x8x ul_carrier_id;

[0230] where s_id is the index of the first OFDM symbol of the PRACH occasion (0≤ s_id < 14); t_id is the index of the first slot of the PRACH occasion in the system frame (0≤ t_id < 80); where the subcarrier spacing used to determine t_id is based on the value of μ specified in clause 5.3.2 in TS 38.211 [8], f_id is the index of the PRACH occasion in the frequency domain (0≤ f_id < 8), and ul_carrier_id is the UL carrier used for random access preamble transmission (“0” for non-supplemental uplink (NUL) carrier, “1” for supplemental uplink (SUL) carrier). The RA-RNTI is computed as specified in clause 5.1.3.

[0231] In some embodiments, in R19 SBFD, two sets of RACH configuration information are supported, and for the additional set of configuration information, RAN1 agrees that the valid RO is: for RACH configuration option 2, option Alt 2-3 is supported (additional ROs in non-SBFD symbols configured by additional RACH configuration information are not valid for SBFD-aware UEs).

[0232] In some embodiments, referring to FIG. 1e, for RO on flexible, both ROs of the two sets of RACH configuration are valid ROs, so there is a problem of random access radio network temporary identity (RA-RNTI) conflict.

[0233] FIG. 2a is an interaction schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG. 2a, the embodiment of the present disclosure relates to a communication method, for a communication system 100, the method comprising:

[0234] Step S2101: The network device sends RACH resource configuration information to the terminal.

[0235] In some embodiments, the terminal receives the RACH resource configuration information sent by the network device.

[0236] In some embodiments, the RACH resource configuration information is configuration information of a random access channel occasion (RO, RACH Occasion).

[0237] In some embodiments, the RACH resource configuration information can include at least two. For example, the first RACH resource configuration information and the second RACH resource configuration information. Exemplarily, referring to FIG. 2b, RACH-configuration1 and RACH-configuration2 are shown.

[0238] Exemplarily, the network device configures at least one RACH resource configuration information, which is used to determine the configuration of RO, each RACH resource configuration corresponds to an index 0, 1, 2, … N.

[0239] In some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration includes a valid random access channel occasion RO associated with the RA-RNTI and set on a sub-band full duplex SBFD symbol, and the second RACH resource configuration includes a valid RO associated with the RA-RNTI and set on an uplink UL symbol or a flexible symbol.

[0240] In some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration includes a valid first-type random access channel occasion RO associated with the RA-RNTI, and the second RACH resource configuration includes a valid second-type RO associated with the RA-RNTI.

[0241] In some embodiments, the first-type RO is a RO set on a sub-band full duplex SBFD symbol.

[0242] In some embodiments, the second-type RO is a RO set on an uplink UL symbol or a flexible symbol.

[0243] Exemplarily, the terminal receives the RACH resource configuration information sent by the network device, wherein one set is the traditional RACH resource configuration information (for example, the second RACH resource configuration information), and the other set is the additional (newly added) RACH resource configuration information (for example, the first RACH resource configuration information), and the principle that the RO corresponding to the additional RACH resource configuration information is valid is that the RO configured on the non-SBFD symbol is invalid (that is, the RO configured on the SBFD symbol is valid). The RO of the traditional RACH resource configuration information is valid on the UL symbol and the flexible symbol.

[0244] In some embodiments, the RACH resource configuration information includes an index associated with the RACH resource configuration information; the index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

[0245] In some embodiments, the different RACH resource configuration information is associated with different at least one of the following information:

[0246] a size of MSG3;

[0247] a type of the terminal;

[0248] a power class of the terminal;

[0249] a mobility state of the terminal;

[0250] a type of service.

[0251] Exemplarily, the different RACH resource configuration information can be used to distinguish at least one of the following:

[0252] different MSG3 sizes (e.g., 56 bits or 72 bits);

[0253] different terminal types (e.g., Internet of Things (IOT) devices or normal commercial devices);

[0254] different terminal power classes (UE power class);

[0255] different UE mobility states (e.g., stationary terminals or high-speed mobile terminals, etc.);

[0256] different service types, etc. (e.g., Artificial Intelligence (AI) services, Integrated Sensing and Communication (ISAC) services, high-priority services, etc.).

[0257] Step S2102: The network device sends first information to the terminal.

[0258] In some embodiments, the terminal receives the first information sent by the network device.

[0259] In some embodiments, the terminal receives a Radio Resource Control (RRC) message sent by the network device.

[0260] In some embodiments, the first information includes at least one of the following:

[0261] an index associated with the RACH resource configuration information;

[0262] an extended number, the number being used to indicate an uplink (UL) carrier;

[0263] A first offset, the first offset being used to adjust the reference RA-RNTI.

[0264] In some embodiments, the first information is an extended number, and a quantity of the extended number is greater than a quantity threshold.

[0265] In some embodiments, the number is determined based on a type of the carrier and / or frequency information corresponding to the carrier.

[0266] In some embodiments, the carrier includes a non-supplementary uplink (NUL) carrier and a supplementary uplink (SUL) carrier.

[0267] For example, the frequencies of the NUL carrier can be numbered first, and then the frequencies of the SUL carrier can be numbered.

[0268] For example, the frequencies can be numbered in order of high to low, to obtain the extended number.

[0269] In some embodiments, the first information is used to determine a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information.

[0270] In some embodiments, the first information can be included in the RACH resource configuration information in step S2102, or can be sent separately, which is not limited herein.

[0271] In some embodiments, the RACH resource configuration information can be explicitly indicated or implicitly indicated by an RRC message as the first RACH resource configuration information or the second RACH resource configuration information.

[0272] In some embodiments, the RACH resource configuration information is the first RACH resource configuration information or the second RACH resource configuration information; the first information is an index associated with the RACH resource configuration information; the index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

[0273] Step S2103: The terminal determines the RA-RNTI.

[0274] In some embodiments, the first information is used to determine a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information.

[0275] In some embodiments, the first information is an index associated with the RACH resource configuration information.

[0276] Exemplarily, the RA-RNTI=1+s_id+14×t_id+14×80×f_id+14×80×8×ul_carrier_id+14×80×8×2×RACH_config_index; wherein the RACH_config_index is an index. The index can be 0 or 1, and when the index is 1, it corresponds to the second RACH resource configuration information (corresponding to the second type of RO).

[0277] In some embodiments, the first information is an extended number.

[0278] Exemplarily, the number is extended to 7, and each RACH resource configuration information corresponds to one number. The number of each carrier can be sent to the terminal in an explicit or implicit manner. When the explicit manner is used, the value of the number (ul_carrier_id) can be directly indicated.

[0279] Exemplarily, the RA-RNTI=1+s_id+14×t_id+14×80×f_id+14×80×8×ul_carrier_id (i.e., the extended number).

[0280] In some embodiments, the first information is a first offset, and the RACH resource configuration information includes a first RACH resource configuration information and a second RACH resource configuration information; and the second RA-RNTI is determined based on the first RA-RNTI and the first offset.

[0281] In some embodiments, the first RA-RNTI is the RA-RNTI corresponding to the first RACH resource configuration information; and the second RA-RNTI is the RA-RNTI corresponding to the second RACH resource configuration information.

[0282] Exemplarily, when the first RACH resource configuration information is configured, the RA-RNTI offset (first offset) is also configured, for example, as RA-RNTI_offset. When the RA-RNTI corresponding to the RO of the first RACH resource configuration information is calculated, the formula can be as follows:

[0283] RA-RNTI=1+s_id+14×t_id+14×80×f_id+14×80×8×ul_carrier_id+RA-RNTI_offset (i.e., the first offset).

[0284] In the above formula, s_id is the index of the first OFDM symbol of the PRACH occasion (0≤s_id<14); t_id is the index of the first slot of the PRACH occasion in the system frame (0≤t_id<80); wherein the subcarrier spacing for determining t_id is based on the value of μ specified in clause 5.3.2 in TS 38.211 [8] for μ = {0, 1, 2, 3} and for μ = {5, 6}, t_id is the index of the 120 kHz slot in the system frame containing the PRACH occasion (0≤t_id<80), f_id is the index of the PRACH occasion in the frequency domain (0≤f_id<8), and ul_carrier_id is the UL carrier used for random access preamble transmission (“0” denotes a NUL carrier and “1” identifies a SUL carrier).

[0285] Step S2104: The terminal monitors the RA-RNTI.

[0286] In some embodiments, the terminal monitors the RA-RNTI based on the RAR search space associated with the RACH resource configuration information.

[0287] In some embodiments, different RACH resource configuration information is associated with different random access response (RAR) search spaces, and the RA-RNTI corresponding to different RACH resource configuration information is the same.

[0288] For example, for the first RACH resource configuration information, an additional RAR search space (i.e., one RAR search space is associated with each RACH configuration) is configured at the same time. When the UE initiates random access, the UE selects the RO of the second RACH resource configuration information or the RO corresponding to the first RACH resource configuration information, calculates the RA-RNTI according to the formula, and then selects the corresponding RAR search space according to the RACH resource configuration information to which the selected RO belongs to monitor the RA-RNTI.

[0289] In some embodiments, if the RACH fails, for example, MSG1 is sent and MSG2 is not monitored, or RAR is received but there is no RAR of the terminal, or conflict resolution fails, when the terminal sends MSG1 again, if the selected RO belongs to a different RACH configuration parameter, the terminal ignores the BI indication in the previously received RAR if the BI indication exists.

[0290] Step S2105: The network device sends second information to the terminal.

[0291] In some embodiments, the terminal receives the second information sent by the network device.

[0292] In some embodiments, the second information is used to indicate the second offset.

[0293] In some embodiments, the second offset is used to determine a second transmit power for transmitting MSG3.

[0294] In some embodiments, each of the RACH resource configuration information is associated with one of the second offsets.

[0295] In some embodiments, different RACH resource configuration information is associated with different second offsets.

[0296] Step S2106: The terminal determines the second transmit power.

[0297] In some embodiments, the second transmit power of the random access message MSG3 is determined based on at least the first transmit power and the second offset.

[0298] In some embodiments, the first transmit power is the power of the last transmitted preamble.

[0299] For example, the scheduling of MSG3 can be scheduled to be transmitted on a SBFD symbol or a non-SBFD symbol. Since the data transmitted on a SBFD symbol is subject to various interferences, when setting the transmit power of MSG3, an additional MSG3-delta-power (i.e., corresponding to the second offset) can be configured for the transmission of MSG3 on a SBFD symbol, wherein the MSG3-delta-power is used to calculate the transmit power of MSG3, which is the sum of the power after the last transmitted preamble and the MSG3-delta-power.

[0300] In some embodiments, each RACH resource configuration information can be associated with one MSG3-delta-power for determining the transmit power of MSG3.

[0301] In some embodiments, the term "information" can be replaced by the terms "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "field", "data", etc.

[0302] In some embodiments, the term "sending" can be mutually replaced with the terms "transmitting", "reporting", "transferring", and the like.

[0303] The information indication method related to the embodiments of the present disclosure can include at least one of steps S2101 to S2106. For example, step S2101 can be implemented as an independent embodiment, step S2102 can be implemented as an independent embodiment, step S2103 can be implemented as an independent embodiment, step S2104 can be implemented as an independent embodiment, step S2105 can be implemented as an independent embodiment, and step S2106 can be implemented as an independent embodiment. For example, step S2101 in combination with step S2103 can be implemented as an independent embodiment, step S2101 in combination with step S2102, step S2103 can be implemented as an independent embodiment, step S2101 in combination with step S2102, step S2103, step S2104 can be implemented as an independent embodiment, step S2101 in combination with step S2103, step S2106 can be implemented as an independent embodiment, step S2101 in combination with step S2103, step S2105, step S2106 can be implemented as an independent embodiment, step S2101 in combination with step S2103, step S2104, step S2105, and step S2106 can be implemented as an independent embodiment, step S2101 in combination with step S2102, step S2103, step S2104, step S2105, step S2106 can be implemented as an independent embodiment, but not limited thereto.

[0304] FIG. 3a is a flow diagram illustrating a communication method according to an embodiment of the present disclosure. As shown in FIG. 3a, the embodiment of the present disclosure relates to a communication method, which is performed by a terminal, and the above method comprises:

[0305] Step S3101: receiving RACH resource configuration information sent by a network device.

[0306] In some embodiments, the optional implementation of step S3101 can refer to other associated parts in the embodiments related to step S2101 in FIG. 2a, which will not be repeated here.

[0307] Step S3102: receiving first information sent by a network device.

[0308] In some embodiments, the optional implementation of step S3102 can refer to other associated parts in the embodiments related to step S2102 in FIG. 2a, which will not be repeated here.

[0309] Step S3103: determining RA-RNTI.

[0310] In some embodiments, optional implementation of step S3103 can refer to other associated parts in the embodiments involved in step S2103 in FIG. 2a, which will not be repeated here.

[0311] Step S3104: Listen to RA-RNTI.

[0312] In some embodiments, optional implementation of step S3104 can refer to other associated parts in the embodiments involved in step S2104 in FIG. 2a, which will not be repeated here.

[0313] Step S3105: Receive the second information sent by the network device.

[0314] In some embodiments, optional implementation of step S3105 can refer to other associated parts in the embodiments involved in step S2105 in FIG. 2a, which will not be repeated here.

[0315] Step S3106: Determine the second transmission power.

[0316] In some embodiments, optional implementation of step S3106 can refer to other associated parts in the embodiments involved in step S2106 in FIG. 2a, which will not be repeated here.

[0317] The information indication method involved in the embodiments of the present disclosure can include at least one of steps S3101 to S3103. For example, step S3101 can be implemented as an independent embodiment, step S3102 can be implemented as an independent embodiment, and step S3103 can be implemented as an independent embodiment. For example, step S3101 in combination with step S3102 can be implemented as an independent embodiment, and step S3101 in combination with step S3102 and step S3103 can be implemented as an independent embodiment, but not limited thereto.

[0318] FIG. 3b is a flow diagram illustrating a communication method according to an embodiment of the present disclosure. As shown in FIG. 3b, the communication method involved in the embodiments of the present disclosure is executed by a terminal, and the above method includes:

[0319] Step S3201: Receive at least one random access channel RACH resource configuration information sent by a network device.

[0320] Step S3202: Receive the first information sent by the network device.

[0321] Step S3203: Determine a random access radio network temporary identifier RA-RNTI corresponding to the RACH resource configuration information based on the first information.

[0322] In some embodiments, the first information includes at least one of the following:

[0323] an index associated with the RACH resource configuration information;

[0324] an extended number, the number being used to indicate an uplink, UL, carrier;

[0325] a first offset, the first offset being used to adjust a reference RA-RNTI.

[0326] In some embodiments, the optional implementation of step S3201, step S3202 and step S3203 can refer to other associated parts in the embodiments involved in the steps in FIG. 2a, which will not be repeated here.

[0327] In some embodiments, the method further comprises:

[0328] receiving the first information sent by the network device.

[0329] In some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration includes a valid random access channel occasion, RO, associated with the RA-RNTI and set on a sub-band full duplex, SBFD, symbol; and the second RACH resource configuration includes a valid RO associated with the RA-RNTI and set on an uplink, UL, symbol or a flexible symbol.

[0330] In some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; and the first information is an index associated with the RACH resource configuration information.

[0331] The index is a first value, the index being used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, the index being used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

[0332] In some embodiments, the first information is an extended number, and a number of the extended number is greater than a number threshold.

[0333] In some embodiments, the number is determined based on a type of the carrier and / or frequency information corresponding to the carrier, the carrier including a non-supplementary uplink, NUL, carrier and a supplementary uplink, SUL, carrier.

[0334] In some embodiments, the first information is a first offset, and the RACH resource configuration information includes first RACH resource configuration information and second RACH resource configuration information.

[0335] The method further includes determining a random access radio network temporary identifier (RA-RNTI) corresponding to the first information based on the first information and the first offset.

[0336] The method further includes determining a second RA-RNTI based on the first RA-RNTI and the first offset.

[0337] The first RA-RNTI corresponds to the first RACH resource configuration information, and the second RA-RNTI corresponds to the second RACH resource configuration information.

[0338] In some embodiments, different RACH resource configuration information is associated with different random access response (RAR) search spaces, and the RA-RNTI corresponding to different RACH resource configuration information is the same. The method further includes:

[0339] The method further includes monitoring the RA-RNTI based on the RAR search space associated with the RACH resource configuration information.

[0340] In some embodiments, the method further includes:

[0341] The method further includes determining a second transmission power of a random access message (MSG3) based on a first transmission power and a second offset.

[0342] The first transmission power is a power of a last transmitted preamble.

[0343] In some embodiments, the method further includes:

[0344] The method further includes receiving second information transmitted by the network device.

[0345] The second information is used to indicate the second offset.

[0346] In some embodiments, each RACH resource configuration information is associated with one second offset.

[0347] In some embodiments, different RACH resource configuration information is associated with different information of at least one of the following:

[0348] A size of the MSG3.

[0349] A type of the terminal.

[0350] A power level of the terminal.

[0351] A moving state of the terminal.

[0352] A type of service.

[0353] FIG. 4a is a flow diagram illustrating a communication method according to an embodiment of the present disclosure. As shown in FIG. 4a, the embodiment of the present disclosure relates to a communication method, which is performed by a network device, and the above method comprises the following steps:

[0354] Step S4101: transmitting RACH resource configuration information to a terminal.

[0355] In some embodiments, the optional implementation of step S4101 can refer to other associated parts in the embodiments related to step S2101 in FIG. 2a, which will not be described here.

[0356] Step S4102: transmitting first information to the terminal.

[0357] In some embodiments, the optional implementation of step S4102 can refer to other associated parts in the embodiments related to step S2102 in FIG. 2a, which will not be described here.

[0358] Step S4103: transmitting second information to the terminal.

[0359] In some embodiments, the optional implementation of step S4103 can refer to other associated parts in the embodiments related to step S2105 in FIG. 2a, which will not be described here.

[0360] The information indication method related to the embodiments of the present disclosure can comprise at least one of steps S4101 to S4103. For example, step S4101 can be implemented as an independent embodiment, step S4102 can be implemented as an independent embodiment, and step S4103 can be implemented as an independent embodiment. For example, step S4101 in combination with step S4102 can be implemented as an independent embodiment, and step S4101 in combination with steps S4102 and S4103 can be implemented as an independent embodiment, but not limited thereto.

[0361] FIG. 4b is a flow diagram illustrating a communication method according to an embodiment of the present disclosure. As shown in FIG. 4b, the embodiment of the present disclosure relates to a communication method, which is performed by a network device, and the above method comprises the following steps:

[0362] Step S4201: transmitting at least one RACH resource configuration information to a terminal.

[0363] Step S4202: transmitting first information to the terminal.

[0364] In some embodiments, the first information comprises at least one of the following:

[0365] an index associated with the RACH resource configuration information;

[0366] an extended number, wherein the number is used to indicate an uplink (UL) carrier;

[0367] a first offset, the first offset being used for adjusting the reference RA-RNTI.

[0368] In some embodiments, the optional implementation of step S4201 and step S4202 can refer to other associated parts in the embodiments involved in step of FIG. 2a, which will not be repeated here.

[0369] In some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration information includes a valid random access channel occasion (RO) associated with the RA-RNTI and set on a sub-band full duplex (SBFD) symbol; and the second RACH resource configuration information includes a valid RO associated with the RA-RNTI and set on an uplink (UL) symbol or a flexible symbol.

[0370] In some embodiments, the RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first information is an index associated with the RACH resource configuration information; the index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

[0371] In some embodiments, the first information is an extended number, and a quantity of the extended number is greater than a quantity threshold.

[0372] In some embodiments, the number is determined based on a type of the carrier and / or frequency information corresponding to the carrier, and the carrier includes a non-supplementary uplink (NUL) carrier and a supplementary uplink (SUL) carrier.

[0373] In some embodiments, the first information is a first offset, the RACH resource configuration information includes first RACH resource configuration information and second RACH resource configuration information; the first offset is used for the terminal to determine a second RA-RNTI based on a first RA-RNTI and the first offset; the first RA-RNTI is a RA-RNTI corresponding to the first RACH resource configuration information; and the second RA-RNTI is a RA-RNTI corresponding to the second RACH resource configuration information.

[0374] In some embodiments, different RACH resource configuration information is associated with different random access response (RAR) search spaces, and RA-RNTIs corresponding to different RACH resource configuration information are the same.

[0375] In some embodiments, each of the RACH resource configuration information is associated with one of the second offset, which is used to determine the transmission power of MSG3.

[0376] In some embodiments, different RACH resource configuration information is associated with different at least one of the following information:

[0377] The size of MSG3;

[0378] The type of terminal;

[0379] The power level of the terminal;

[0380] The moving state of the terminal;

[0381] The type of service.

[0382] Figure 5a is an interaction schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 5a, the embodiment of the present disclosure relates to a communication method, which is used in the communication system 100, and the method comprises one of the following steps:

[0383] Step S5101: The network device sends at least one RACH resource configuration information to the terminal.

[0384] Step S5102: The network device sends first information to the terminal. In some embodiments, the first information is used for the terminal to determine the RA-RNTI corresponding to the RACH resource configuration information; and the first information is at least one of the following:

[0385] The RACH resource configuration information indicates the associated index;

[0386] The extended number, which is used to indicate the uplink (UL) carrier;

[0387] The first offset, which is used to adjust the reference RA-RNTI.

[0388] The optional implementation of step S5101 and step S5102 can be respectively referred to the optional implementation of step S2101 to S2106 of Figure 2a and other associated parts in the embodiments involved in Figure 2a, which will not be repeated here.

[0389] In some embodiments, the above method can include the method of the above communication system side, terminal, network device and the like, which will not be repeated here.

[0390] In order to better understand the embodiments of the present disclosure, the following will be further illustrated by some exemplary embodiments:

[0391] Scheme 1:

[0392] In some embodiments, the UE receives network side configured RACH resource configuration, in which one set is the legacy RACH resource configuration, and the other set is the additional RACH resource configuration. The principle of validity of the RO corresponding to the additional RACH configuration is that the RO configured in the non-SBFD symbol is invalid. While the RO of the legacy RACH configuration is valid in the UL symbol and the flexible symbol. The RRC signaling shows or implicitly indicates which RACH configuration is the additional RACH configuration. The index of the legacy RACH resource configuration is 0, and the index of the additional RACH resource configuration is 1. The index can be explicitly configured or implicitly configured to the UE. The calculation formula of RA-RNTI is as follows:

[0393] RA-RNTI = 1 + s_id + 14 × t_id + 14 × 80 × f_id + 14 × 80 × 8 × ul_carrier_id + 14 × 80 × 8 × 2 × RACH_config_index; wherein RACH_config_index is the index. The index can be 0 or 1, and when it is 1, it corresponds to the second RACH resource configuration information (corresponding to the second type of RO).

[0394] In some embodiments, the calculation formula of RA-RNTI is unchanged, but the UL_carrier_id is expanded, for example:

[0395] Option 1: The value is expanded to a larger value, for example, 7. Then each rach configuration corresponds to a carrier number. The number of each carrier is configured to the UE by display or implicit method.

[0396] In some embodiments, the display method can be that the network side directly indicates the value of UL_carrier_id when configuring the RACH configuration,

[0397] In some embodiments, or the value of UL_carrier_id is numbered in the order of NUL first, SUL second, and low frequency to high frequency.

[0398] Scheme 2:

[0399] In some embodiments, for the additional RACH resource configuration, an additional RA-RNTI offset is configured, for example, denoted as RA-RNTI_offset. When calculating the RA-RNTI corresponding to the RO of the additional RACH resource configuration, the formula is as follows:

[0400] RA-RNTI = 1 + s_id + 14 × t_id + 14 × 80 × f_id + 14 × 80 × 8 × ul_carrier_id + RA-RNTI_offset;

[0401] where s_id is the index of the first OFDM symbol of the PRACH occasion (0≤ s_id < 14), t_id is the index of the first slot of the PRACH occasion in the system frame (0≤ t_id < 80), where the subcarrier spacing to determine t_id is based on the values of μ specified in clause 5.3.2 in TS 38.211 [8] for μ = {0, 1, 2, 3} and for μ = {5, 6}, t_id is the index of the 120 kHz slot in the system frame containing the PRACH occasion (0≤ t_id < 80), f_id is the index of the PRACH occasion in the frequency domain (0≤ f_id < 8), and ul_carrier_id is the UL carrier used for random access preamble transmission (0 indicates NUL carrier and 1 indicates SUL carrier).

[0402] Scheme 3:

[0403] In some embodiments, for additional RACH resource configuration, additional RAR search space is configured simultaneously (i.e. one RAR search space is associated with each RACH configuration), when UE initiates random access, it selects the RO of the traditional RACH configuration or the RO corresponding to the additional RACH configuration, then calculates the RA-RNTI according to the formula, and then selects the corresponding RAR search space according to the RACH configuration to which the selected RO belongs to listen to the RA-RNTI.

[0404] In some embodiments, if RACH fails, for example, after sending MSG1, MSG2 is not listened to, or RAR is received, but there is no own RAR, or conflict resolution fails, when UE sends MSG1 again, if the selected RO is changed to correspond to a different RACH configuration, if the BI in the previously received RAR exists, ignore the BI indication, if the newly selected RO belongs to a different RACH configuration parameter.

[0405] Scheme 4: The scheduling of MSG3 can be scheduled on SBFD symbol transmission, or can be scheduled on non-SBFD symbol transmission. Since the data transmitted on SBFD symbol is subject to various interference, when setting the MSG3 transmission power, an additional MSG3-delta-power can be configured for SBFD symbol transmission, where the MSG3-delta-power is the MSG3 transmission power calculated by the last transmitted preamble power + MSG3-delta-power.

[0406] In some embodiments, for the above schemes 1, 2, 3 and / or 4: a MSG3-delta-power can be associated with each RACH configuration for determining the MSG3 transmission power.

[0407] The above schemes can be further extended to the following scenario: the network side configures at least one RACH configuration, which is used to determine the configuration of RACH occasion (RO). Each RACH configuration corresponds to an index 0, 1, 2…N.

[0408] In some embodiments, the different RACH configurations can be used to distinguish different MSG3 sizes (such as 56 bits or 72 bits), different terminal types (such as IOT devices, normal commercial devices), different UE power classes, different UE mobile states (such as stationary terminals, high-speed mobile terminals, etc.), different service types, etc. (such as AI services, ISAC services, high-priority services, etc.).

[0409] Through the embodiments of the present disclosure, the problem of RA-RNTI conflict is solved based on the configuration of different RAR search spaces or based on the updated calculation formula, or the RA-RNTI conflict is avoided based on different spatial RAR, so that the RACH process is effective in the SBFD scenario.

[0410] In the embodiments of the present disclosure, part or all of the steps, and optional implementation manners thereof, can be combined with part or all of the steps in other embodiments, or can be combined with optional implementation manners of other embodiments.

[0411] The embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device is proposed, which includes units or modules for implementing each step performed by the terminal in any of the above methods. For another example, another device is proposed, which includes units or modules for implementing each step performed by the network device (such as an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0412] It should be understood that the division of each unit or module in the above apparatus is only a logical function division, and all or part of them can be integrated into one physical entity or separated on the physical entity in actual implementation. In addition, the units or modules in the apparatus can be implemented in the form of processor calling software: for example, the apparatus includes a processor connected with a memory, the memory stores instructions, and the processor calls the instructions stored in the memory to implement any of the above methods or realize the functions of the units or modules of the above apparatus, wherein the processor is a general processor such as a central processing unit (CPU) or a microprocessor, and the memory is a memory in the apparatus or a memory outside the apparatus. Alternatively, the units or modules in the apparatus can be implemented in the form of hardware circuit, and the functions of part or all of the units or modules can be realized by the design of the hardware circuit. The above hardware circuit can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of part or all of the units or modules are realized by the design of the logical relationship between the elements in the circuit; for another example, in another implementation, the above hardware circuit is a programmable logic device (PLD), and a field programmable gate array (FPGA) is taken as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to realize the functions of part or all of the units or modules. All units or modules of the above apparatus can be implemented in the form of processor calling software, or all units or modules can be implemented in the form of hardware circuit, or part of the units or modules are implemented in the form of processor calling software, and the remaining part is implemented in the form of hardware circuit.

[0413] In the embodiments of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), a digital signal processor (DSP), or the like. In another implementation, the processor can implement certain functions through a logical relationship of hardware circuit, and the logical relationship of the hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In the reconfigurable hardware circuit, the processor loads a configuration document to implement the configuration of the hardware circuit. It can be understood that the processor loads instructions to implement the functions of the above part or all units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), or the like.

[0414] FIG. 6a is a schematic diagram of the structure of the terminal 6100 according to an embodiment of the present disclosure. As shown in FIG. 6a, the terminal 6100 can include at least one of a transceiver module 6101, a processing module 6102, and the like. In some embodiments, the transceiver module is configured to transmit and / or receive information. Optionally, the transceiver module is configured to perform at least one of the communication steps of transmitting and / or receiving performed by the terminal in any of the methods described above. Details are not described herein again. Optionally, the processing module is configured to perform at least one of the other steps performed by the terminal in any of the methods described above. Details are not described herein again.

[0415] FIG. 6b is a structural diagram of the network device 6200 according to an embodiment of the present disclosure. As shown in FIG. 6b, the network device 6200 can include at least one of a transceiver module 6201, a processing module 6202, and the like. In some embodiments, the transceiver module is configured to transmit and / or receive information. Optionally, the transceiver module is configured to perform at least one of the communication steps (e.g., transmitting and / or receiving) performed by the network device in any of the methods described above. Details are not described herein again. In some embodiments, the transceiver module can include a transmitter and / or a receiver, which can be separate or integrated together. Optionally, the transceiver module can be replaced by a transceiver.

[0416] In some embodiments, the processing module can be a single module, or can include multiple sub-modules. Optionally, the multiple sub-modules perform all or part of the steps required to be performed by the processing module. Optionally, the processing module can be replaced by a processor.

[0417] FIG. 7a is a structural diagram of a communication device 9100 according to an embodiment of the present disclosure. The communication device 9100 can be a network device (e.g., an access network device, a core network device, or the like), a terminal (e.g., a user equipment or the like), a chip, a chip system, or a processor supporting the network device to implement any of the methods described above, or a chip, a chip system, or a processor supporting the terminal to implement any of the methods described above. The communication device 9100 can be configured to implement the methods described in the method embodiments described above. Details can be referred to the descriptions in the method embodiments described above.

[0418] As shown in FIG. 7a, the communication device 9100 includes one or more processors 9101. The processor 9101 can be a general processor or a special-purpose processor, for example, a baseband processor or a central processing unit. The baseband processor can be configured to process communication protocols and communication data, and the central processing unit can be configured to control the communication device (e.g., a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, or the like), execute programs, and process data of the programs. The communication device 9100 is configured to implement any of the methods described above.

[0419] In some embodiments, the communication device 9100 further includes one or more memories 9102 configured to store instructions. Optionally, all or part of the memory 9102 can also be located outside the communication device 9100.

[0420] In some embodiments, the communication device 9100 further includes one or more transceivers 9103. When the communication device 9100 includes one or more transceivers 9103, the transceiver 9103 performs at least one of the communication steps (e.g., transmitting and / or receiving) in the methods described above, and the processor 9101 performs at least one of the other steps.

[0421] In some embodiments, the transceiver can include a receiver and / or a transmitter, which can be separate or integrated together. Optionally, the terms transceiver, transceiving unit, transceiver, transceiving circuit, etc. can be replaced by each other, the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc. can be replaced by each other, and the terms receiver, receiving unit, receiver, receiving circuit, etc. can be replaced by each other.

[0422] In some embodiments, the communication device 9100 can include one or more interface circuits 9104. Optionally, the interface circuit 9104 is connected with the memory 9102, and the interface circuit 9104 can be used to receive signals from the memory 9102 or other devices, and can be used to send signals to the memory 9102 or other devices. For example, the interface circuit 9104 can read instructions stored in the memory 9102 and send the instructions to the processor 9101.

[0423] The communication device 9100 described in the above embodiments can be a network device or a terminal, but the scope of the communication device 9100 described in the present disclosure is not limited thereto, and the structure of the communication device 9100 can not be limited by Figure 7a. The communication device can be a standalone device or can be part of a larger device. For example, the communication device can be: 1) a standalone integrated circuit (IC), or a chip, or a chip system or subsystem; (2) a set of one or more ICs, which can optionally also include storage components for storing data, programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handset, mobile unit, vehicle-mounted device, network device, cloud device, artificial intelligence device, etc.; (6) other, etc.

[0424] Figure 7b is a structural schematic diagram of a chip 9200 according to an embodiment of the present disclosure. For the case where the communication device 9100 is a chip or a chip system, the structural schematic diagram of the chip 9200 shown in Figure 7b can be referred to, but is not limited thereto.

[0425] The chip 9200 includes one or more processors 9201, and the chip 9200 is configured to execute any of the above methods.

[0426] In some embodiments, the chip 9200 further includes one or more interface circuits 9202. Optionally, the interface circuit 9202 is connected with the memory 9203, and the interface circuit 9202 can be used to receive signals from the memory 9203 or other devices, and can be used to send signals to the memory 9203 or other devices. For example, the interface circuit 9202 can read instructions stored in the memory 9203 and send the instructions to the processor 9201.

[0427] In some embodiments, the interface circuit 9202 performs at least one of the communication steps of sending and / or receiving in the above-described methods, and the processor 9201 performs at least one of the other steps.

[0428] In some embodiments, the terms interface circuit, interface, transceiver pin, transceiver, etc. can be replaced by each other.

[0429] In some embodiments, the chip 9200 further includes one or more memories 9203 for storing instructions. Optionally, all or part of the memories 9203 can be outside the chip 9200.

[0430] The present disclosure further proposes a storage medium having instructions stored thereon, which, when executed on the communication device 9100, causes the communication device 9100 to perform any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices. Optionally, the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a transitory storage medium.

[0431] The present disclosure further proposes a program product which, when executed by the communication device 9100, causes the communication device 9100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0432] The present disclosure further proposes a computer program which, when executed on a computer, causes the computer to perform any of the above methods.

Claims

1. A communication method characterized by comprising: The method is performed by a terminal, and the method comprises: receiving at least one random access channel (RACH) resource configuration information sent by a network device; receiving first information sent by the network device; determining a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information based on the first information; wherein the first information comprises at least one of the following: an index associated with the RACH resource configuration information; an extended number, the number being used to indicate an uplink (UL) carrier; a first offset, the first offset being used to adjust a reference RA-RNTI.

2. The method of claim 1, wherein, The RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration comprises a valid random access channel (RACH) occasion (RO) set on a sub-band full duplex (SBFD) symbol associated with the RA-RNTI, and the second RACH resource configuration comprises a valid RO set on an uplink (UL) symbol or a flexible symbol associated with the RA-RNTI.

3. The method of any one of claims 1-2, wherein, The RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first information is an index associated with the RACH resource configuration information; The index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

4. The method according to any one of claims 1 to 3, characterized in that, The first information is an extended number, and the number of the extended number is greater than a quantity threshold.

5. The method according to any one of claims 1 to 4, characterized in that, The number is determined based on a type of the carrier and / or frequency information corresponding to the carrier, the carrier comprising a non-supplementary uplink (NUL) carrier and a supplementary uplink (SUL) carrier.

6. The method of claim 1, wherein, The first information is a first offset, and the RACH resource configuration information comprises first RACH resource configuration information and second RACH resource configuration information; The determining of the RA-RNTI corresponding to the RACH resource configuration information based on the first information comprises: determining a second RA-RNTI based on a first RA-RNTI and the first offset; wherein the first RA-RNTI is the RA-RNTI corresponding to the first RACH resource configuration information, and the second RA-RNTI is the RA-RNTI corresponding to the second RACH resource configuration information.

7. The method of claim 1, wherein, Different RACH resource configuration information is associated with different random access response (RAR) search spaces, and the RA-RNTI corresponding to different RACH resource configuration information is the same, and the method further comprises: listening to the RA-RNTI based on the RAR search space associated with the RACH resource configuration information.

8. The method of claim 1, wherein, The method further comprises: determining that a random access message (MSG3) is transmitted on an SBFD symbol, and determining a second transmission power of the MSG3 based on at least a first transmission power and a second offset. The first transmit power is a power of a last time of sending a preamble.

9. The method according to any one of claims 1 to 8, characterized in that, The method further includes: receiving second information sent by the network device; The second information is used to indicate the second offset.

10. The method according to claim 8 or 9, characterized in that, Each of the RACH resource configuration information is associated with a second offset.

11. The method according to any one of claims 1 to 10, characterized in that, Different RACH resource configuration information is associated with different at least one of the following information: a size of MSG3; a type of the terminal; a power level of the terminal; a moving state of the terminal; a type of service.

12. A communication method characterized by comprising: The method is performed by a network device, and the method includes: sending at least one RACH resource configuration information to a terminal; sending first information to the terminal; wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information is at least one of the following: an index associated with the RACH resource configuration information; an extended number, the number being used to indicate an uplink (UL) carrier; a first offset, the first offset being used to adjust a reference RA-RNTI.

13. The method of claim 12, wherein, The RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first RACH resource configuration information includes a valid random access channel occasion (RO) set on a sub-band full duplex (SBFD) symbol associated with the RA-RNTI; and the second RACH resource configuration information includes a valid RO set on an uplink (UL) symbol or a flexible symbol associated with the RA-RNTI.

14. The method according to claim 12 or 13, characterized in that The RACH resource configuration information is first RACH resource configuration information or second RACH resource configuration information; the first information is an index associated with the RACH resource configuration information; the index is a first value, and the index is used to indicate that the RACH resource configuration information is the first RACH resource configuration information, or the index is a second value, and the index is used to indicate that the RACH resource configuration information is the second RACH resource configuration information.

15. The method according to any one of claims 12 to 14, characterized in that, The first information is an extended number, and a quantity of the extended number is greater than a quantity threshold.

16. The method according to any one of claims 12 to 15, characterized in that, The number is determined based on a type of the carrier and / or frequency information corresponding to the carrier, the carrier including a non-supplementary uplink (NUL) carrier and a supplementary uplink (SUL) carrier.

17. The method of claim 12, wherein, The first information is a first offset, the RACH resource configuration information includes first RACH resource configuration information and second RACH resource configuration information; the first offset is used for the terminal to determine a second RA-RNTI based on a first RA-RNTI and the first offset; wherein the first RA-RNTI is a RA-RNTI corresponding to the first RACH resource configuration information; and the second RA-RNTI is a RA-RNTI corresponding to the second RACH resource configuration information.

18. The method of claim 12, wherein, Different RACH resource configuration information is associated with different random access response (RAR) search spaces, and RA-RNTIs corresponding to different RACH resource configuration information are the same.

19. The method of claim 12, wherein, Each of the RACH resource configuration information is associated with a second offset, and the second offset is used to determine a transmission power of MSG3.

20. The method of any one of claims 12-19, wherein, Different RACH resource configuration information is associated with different at least one of the following information: a size of MSG3; a type of the terminal; a power level of the terminal; a moving state of the terminal; a type of service.

21. A method of communication, comprising: The method comprises: a network device sending at least one RACH resource configuration information to a terminal; the network device sending first information to the terminal; wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information comprises at least one of the following: an index associated with the RACH resource configuration information; an extended number used to indicate an uplink (UL) carrier; a first offset used to adjust a reference RA-RNTI.

22. A terminal, characterized by The terminal comprises: a transceiver module configured to receive at least one random access channel (RACH) resource configuration information sent by a network device, and receive first information sent by the network device; a processing module configured to determine a random access radio network temporary identifier (RA-RNTI) corresponding to the RACH resource configuration information based on the first information; wherein the first information comprises at least one of the following: an index associated with the RACH resource configuration information; an extended number used to indicate an uplink (UL) carrier; a first offset used to adjust a reference RA-RNTI.

23. A network device, comprising: The network device comprises: a transceiver module configured to: send at least one RACH resource configuration information to a terminal; send first information to the terminal; wherein the first information is used for the terminal to determine a RA-RNTI corresponding to the RACH resource configuration information; and the first information comprises at least one of the following: an index associated with the RACH resource configuration information; an extended number used to indicate an uplink (UL) carrier; a first offset used to adjust a reference RA-RNTI.

24. A communication system comprising a terminal and a network device, wherein the terminal is configured to implement the method of any one of claims 1-11, and the network device is configured to implement the method of any one of claims 12-20.

25. A terminal, characterized by The terminal comprises: one or more processors; wherein the terminal is configured to implement the method of any one of claims 1-11.

26. A network device, comprising: The network device comprises: one or more processors; wherein the network device is configured to implement the method of any one of claims 12-20.

27. A computer program product comprising computer programs or instructions, characterized in that, The computer program or instructions, when executed by a processor, implement the steps of the method of any one of claims 1-11, 12-20.

28. A storage medium, characterized by The storage medium stores instructions, which, when executed on a communication device, cause the communication device to perform the method of any one of claims 1-11, 12-20.

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