CN115883034A - Method and device for determining transmission parameters - Google Patents
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Abstract
The embodiment of the application discloses a method and equipment for determining transmission parameters, and belongs to the technical field of communication. The method for determining the transmission parameters comprises the following steps: a terminal acquires configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set; and the terminal determines transmission parameters of SRS resources according to the configuration information, wherein the SRS resources belong to the first SRS resource set and/or the second SRS resource set.
Description
Technical Field
The present application belongs to the field of communication technology, and in particular, to a method and an apparatus for determining a transmission parameter.
Background
In order to implement Transmission of a Physical Uplink Shared Channel (PUSCH) of a multiple Transmission and Reception Point (TRP), a network side device needs to configure a plurality of Sounding Reference Signal (SRS) resource sets for a terminal, where the plurality of SRS resource sets correspond to a plurality of TRPs.
Meanwhile, in order to reduce the overhead of Downlink Control Information (DCI), the SRS resource sets may be configured for different DCI formats, for example, SRS resource set 1 is configured for a first DCI format, SRS resource set 2 is configured for a second DCI format, and the like.
Because the number of the SRS resource sets is increased, the requirement on the capability of the terminal is higher, the capability of the terminal needs to be enhanced, and the cost of the terminal is increased.
Disclosure of Invention
The embodiment of the application provides a method and equipment for determining transmission parameters, which can solve the problem that the terminal cost is increased due to the fact that the number of SRS resource sets is increased and the requirement on the capability of a terminal is high.
In a first aspect, a method for determining a transmission parameter is provided, including: a terminal acquires configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set; and the terminal determines the transmission parameters of SRS resources according to the configuration information, wherein the SRS resources belong to the first SRS resource set and/or the second SRS resource set.
In a second aspect, a method for determining transmission parameters is provided, including: the network side equipment transmits configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
In a third aspect, an apparatus for determining a transmission parameter is provided, including: an obtaining module, configured to obtain configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set; a determining module, configured to determine, according to the configuration information, a transmission parameter of an SRS resource, where the SRS resource belongs to the first SRS resource set and/or the second SRS resource set.
In a fourth aspect, an apparatus for determining transmission parameters is provided, including: a transmitting module, configured to transmit configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
In a fifth aspect, there is provided a terminal comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, which when executed by the processor, implement the method according to the first aspect.
A sixth aspect provides a terminal, including a processor and a communication interface, where the communication interface is configured to acquire configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set; the processor is configured to determine a transmission parameter of an SRS resource according to the configuration information, where the SRS resource belongs to the first SRS resource set and/or the second SRS resource set.
In a seventh aspect, a network-side device is provided, which includes a processor, a memory, and a program or an instruction stored on the memory and executable on the processor, and when executed by the processor, the program or the instruction implements the method according to the second aspect.
In an eighth aspect, a network side device is provided, which includes a processor and a communication interface, where the communication interface is configured to send configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
In a ninth aspect, there is provided a readable storage medium on which is stored a program or instructions which, when executed by a processor, carries out the method of the first aspect or the method of the second aspect.
In a tenth aspect, a chip is provided, the chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute a program or instructions to implement the method according to the first aspect, or to implement the method according to the second aspect.
In an eleventh aspect, there is provided a computer program/program product stored on a non-transitory storage medium, the program/program product being executable by at least one processor to implement a method as described in the first aspect, or to implement a method as described in the second aspect.
In this embodiment of the present application, a first SRS resource set may be configured for a first DCI format and a second SRS resource set may be configured for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and thus, the first SRS resource set and the second SRS resource set may use some same configurations, which is beneficial to reducing capability requirements for a terminal and reducing terminal cost.
Drawings
Fig. 1 is a schematic diagram of a wireless communication system according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method of determining transmission parameters according to an embodiment of the present application;
fig. 3 is a schematic flow chart of a method of determining transmission parameters according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an apparatus for determining transmission parameters according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of an apparatus for determining transmission parameters according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a terminal according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a network-side device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived from the embodiments given herein by a person of ordinary skill in the art are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally used herein in a generic sense to distinguish one element from another, and not necessarily from another element, such as a first element which may be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, and a character "/" generally means that the former and latter related objects are in an "or" relationship.
It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), single carrier Frequency Division Multiple Access (sc-FDMA), or a combination thereofSite (SC-FDMA) and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for purposes of example, and, using NR terminology in much of the description below, the techniques may also be applied to applications other than NR system applications, such as generation 6 (6) systems th Generation, 6G) communication system.
Fig. 1 shows a schematic diagram of a wireless communication system to which embodiments of the present application are applicable. The wireless communication system includes a terminal 11 and a network-side device 12. Wherein, the terminal 11 may also be referred to as a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palm Computer, a netbook, a super Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), an Augmented Reality (AR)/Virtual Reality (VR) Device, a robot, a Wearable Device (Wearable Device), a vehicle mounted Device (VUE), a pedestrian terminal (PUE), a smart home (a Device with wireless communication function, such as a refrigerator, a television, a washing machine, or furniture, etc.), and the Wearable Device includes: smart watch, smart bracelet, smart earphone, smart glasses, smart jewelry (smart bracelet, smart ring, smart necklace, smart anklet, etc.), smart wristband, smart garment, game console, etc. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11. The network-side device 12 may be a Base Station or a core network, where the Base Station may be referred to as a node B, an enodeb, an access Point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a next generation node B (gNB), a home node B, a home enodeb, a WLAN access Point, a WiFi node, a Transmission Receiving Point (TRP), or some other suitable term in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, only the Base Station in the NR system is taken as an example, but the specific type of the Base Station is not limited.
The following describes in detail a method and an apparatus for determining transmission parameters according to embodiments of the present application with reference to the accompanying drawings.
As shown in fig. 2, the present embodiment provides a method 200 for determining transmission parameters, which may be performed by a terminal, in other words, by software or hardware installed in the terminal, and the method includes the following steps.
S202: the terminal acquires configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
In this embodiment, the first set of SRS resources and the second set of SRS resources may be used for PUSCH transmission. For example, the first set of SRS resources is for codebook-based PUSCH transmission and the second set of SRS resources is for codebook-based PUSCH transmission; for another example, the first set of SRS resources is used for non-codebook based PUSCH transmission and the second set of SRS resources is used for non-codebook based PUSCH transmission.
The configuration information may be configured by the network side device, so that the terminal in S202 may receive the configuration information from the network side device, and the configuration information may be carried by Radio Resource Control (RRC) signaling.
In this embodiment, the first DCI format may be DCI format 0_1 (DCI format 0_1), and the number of the first SRS resource sets configured for the first DCI format by the configuration information may be one or more, for example, 2.
In this embodiment, the second DCI format may be DCI format 0_2 (DCI format 0_2), and the number of the second SRS resource sets configured by the configuration information for the second DCI format may be one or more, for example, 1 or 2.
In this embodiment, the first DCI format may be DCI format 0_2 (DCI format 0_2), and the number of the first SRS resource sets configured for the first DCI format by the configuration information may be one or more, for example, 2.
In this embodiment, the second DCI format may be DCI format 0_1 (DCI format 0_1), and the number of the second SRS resource sets configured by the configuration information for the second DCI format may be one or more, for example, 1 or 2.
In this embodiment, the second SRS resource set is configured based on the first SRS resource set, for example, the first SRS resource set includes SRS resource set 1 and SRS resource set 2, the second SRS resource set includes SRS resource set 3 and SRS resource set 4, SRS resource set 3 is associated with SRS resource set 1, SRS resource set 3 is configured based on SRS resource set 1; SRS resource set 4 is associated with SRS resource set 2, SRS resource set 4 being configured based on SRS resource set 2. For another example, the first set of SRS resources includes SRS resource set 1 and SRS resource set 2, the second set of SRS resources includes SRS resource set 3, SRS resource set 3 is associated with SRS resource set 1, and SRS resource set 3 is configured based on SRS resource set 1. For another example, the first set of SRS resources includes set 1 of SRS resources, the second set of SRS resources includes set 3 of SRS resources and set 4 of SRS resources, set 3 of SRS resources is associated with set 1 of SRS resources, set 3 of SRS resources is configured based on set 1 of SRS resources, and set 4 of SRS resources is not limited.
In this embodiment, the second SRS resource set may be configured based on the first SRS resource set, and may be embodied in at least one of the following aspects:
1) The second set of SRS resources may include partially or completely identical SRS resources based on the first set of SRS resources, e.g., the SRS resources included in the second set of SRS resources are a subset of the SRS resources included in the first set of SRS resources. For another example, the second set of SRS resources includes the first few SRS resources of the first set of SRS resources. Specifically, for example, the first SRS resource set includes SRS resource 1, SRS resource 2, SRS resource 3, and SRS resource 4, and the second SRS resource set includes SRS resource 1 and SRS resource 2.
In this example, although the number of SRS resource sets is increased, the number of SRS resources is not increased, which is equivalent to not increasing the number of SRS resources that the terminal needs to detect, and not increasing the capability requirement for the terminal, which is beneficial to reducing the terminal cost.
2) The second set of SRS resources may use some or all of the same transmission parameters, including, for example, transmission periodicity, set of power control parameters, etc., based on the first set of SRS resources.
In this example, the transmission parameters configured for the terminal may be reduced, which is beneficial to reducing the capability requirement on the terminal and reducing the terminal cost.
3) Since the second set of SRS resources includes partially or completely identical SRS resources based on the first set of SRS resources, the path loss reference signals associated with the second set of SRS resources and the first set of SRS resources may be updated simultaneously.
S204: and the terminal determines the transmission parameters of SRS resources according to the configuration information, wherein the SRS resources belong to the first SRS resource set and/or the second SRS resource set.
The method for determining transmission parameters provided in the embodiment of the present application may configure a first SRS resource set for a first DCI format and configure a second SRS resource set for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and thus, the first SRS resource set and the second SRS resource set may use some same configurations, which is beneficial to reducing capability requirements for a terminal and reducing terminal cost.
Meanwhile, the number of the first SRS resource sets configured for the first DCI format may be one or more, and the number of the second SRS resource sets configured for the second DCI format may be one or more, which is beneficial to implementing multi-TRP PUSCH transmission.
On the basis of embodiment 200, a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set. In this embodiment, the first set of target SRS resources is one of the first set of SRS resources and the second set of target SRS resources is one of the second set of SRS resources.
In this embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in Y second SRS resource sets are configured based on X first SRS resource sets (since all SRS resource sets in the X first SRS resource sets are the first target SRS resource sets, the X first SRS resource sets may also be referred to as X first target SRS resource sets); or, when the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y of the second SRS resource sets (since all SRS resource sets in the Y second SRS resource sets are second target SRS resource sets, the Y second SRS resource sets may also be referred to as Y second target SRS resource sets) are configured based on Y of the X first SRS resource sets respectively. That is to say that the position of the first electrode,
and when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets respectively.
When X is greater than Y, the Y second target SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, in this embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively, and the X second target SRS resource sets may be the first X or the last X second SRS resource sets in the Y second SRS resource sets.
When X is greater than Y, the Y second target SRS resource sets are respectively allocated based on Y first target SRS resource sets in the X first SRS resource sets, and the Y first target resource sets are the front Y or the back Y first SRS resource sets in the X first SRS resource sets.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, in this embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, and the X second target SRS resource sets may be the first X or the last X second SRS resource sets after the Y second SRS resource sets are sorted from small to large according to the index.
When X is larger than Y, the Y second target SRS resource sets are respectively matched based on Y first target SRS resource sets in the X first SRS resource sets, and the Y first target resource sets are front Y or rear Y first SRS resource sets which are sequenced from small to large according to indexes of the X first SRS resource sets.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, in this embodiment, the first target SRS resource set and the second target SRS resource set are respectively ordered from small to large according to the index and then correspond to each other, and the second target SRS resource set is configured based on the corresponding first target SRS resource set.
For example, the number of the first SRS resource sets is 1, and the number of the second SRS resource sets is 2, then one second target SRS resource set of the 2 second SRS resource sets needs to be configured based on the first target SRS resource set, and the second target SRS resource set may be any one of the two second SRS resource sets, or the first one, or one with a smaller SRS resource set index.
For example, the number of the first SRS resource sets is 2, and the number of the second SRS resource sets is 1, then one second target SRS resource set needs to be configured based on one first target SRS resource set of the two first SRS resource sets, where the first target SRS resource set may be any one of the two first SRS resource sets, or the first one, or one with a smaller SRS resource set index.
In this embodiment, the configuring of the second target SRS resource set may include: n SRS resources within the first set of target SRS resources and a first configuration parameter of the first set of target SRS resources; the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers. The N SRS resources in the first target SRS resource set mentioned here may be the first N SRS resources in the first target SRS resource set, and the first N SRS resources may be determined according to the ascending order of the SRS resource numbers, or according to the positions of the SRS resources in the first target SRS resource set.
For example, the second target SRS resource set is composed of the first N SRS resources of the first target SRS resource set and the first configuration parameters of the first target SRS resource set, and the first configuration parameters include, for example, a transmission period, a power control parameter set, and the like.
The embodiment is not only beneficial to reducing the overhead of configuration information; meanwhile, since the number of SRS resources in the second target SRS Resource set is less than the number of SRS resources in the first target SRS Resource set, the overhead of the second DCI format may also be reduced, for example, the overhead of an SRS Resource Indicator (SRI) field in the second DCI format is reduced.
In this embodiment, the terminal may first determine the first target SRS resource set associated with the second target SRS resource set according to the configuration information, and then determine the configuration of the second target SRS resource set according to the configuration of the first target SRS resource set. How a terminal determines the first target SRS resource set associated with the second target SRS resource set, or how the terminal determines the association relationship between the first target SRS resource set and the second target SRS resource set, will be described in three examples below.
Example one: and implicitly determining the association relation according to the identification size ordering of the SRS resource sets or the relative positions of the SRS resource sets.
Optionally, the method further comprises: the terminal determines the first target SRS resource set and the second target SRS resource set association according to at least one of:
1) And the sequencing result of the plurality of first SRS resource sets according to the identification size and the sequencing result of the plurality of second SRS resource sets according to the identification size.
In this example, the identifiers of the plurality of first SRS resource sets in the first SRS resource set sequence may be sorted from small to large, the identifiers of the plurality of second SRS resource sets in the second SRS resource set sequence may be sorted from small to large, and the second SRS resource sets may be associated with the first SRS resource sets in the order of the sizes of the identifiers.
For example, the first SRS resource set sequence includes SRS resource set 1 and SRS resource set 2, the second SRS resource set sequence includes SRS resource set 3 and SRS resource set 4, then SRS resource set 3 is associated with SRS resource set 1, and SRS resource set 4 is associated with SRS resource set 2.
It can be understood that, the above description is given by taking the ordering of the identifiers from small to large as an example, and actually, the association between the first target SRS resource set and the second target SRS resource set can also be determined by ordering the identifiers from large to small.
2) A relative position of the plurality of first SRS resource sets in a first SRS resource set sequence and a relative position of the plurality of second SRS resource sets in a second SRS resource set sequence.
The example can determine the association relationship according to the relative positions of the SRS resource sets in the corresponding SRS resource set sequence.
For example, the first SRS resource set sequence includes SRS resource set 1 and SRS resource set 2, the SRS resource set 1 is located at the front, the SRS resource set 2 is located at the back, the second SRS resource set sequence includes SRS resource set 3 and SRS resource set 4, the SRS resource set 3 is located at the front, the SRS resource set 4 is located at the back, then SRS resource set 3 is associated with SRS resource set 1, and SRS resource set 4 is associated with SRS resource set 2.
Example two: and (4) predefined association relation.
1) The second target SRS resource set is associated with the first target SRS resource set identified as the smallest in the first sequence of SRS resource sets.
For example, the first SRS resource set sequence includes SRS resource set 1 and SRS resource set 2, the second SRS resource set sequence includes SRS resource set 3 (i.e., the second target SRS resource set), and SRS resource set 3 is associated with the first SRS resource set identifier 1 (i.e., the first target SRS resource set) that is the smallest identifier in the first SRS resource set sequence.
2) The second target SRS resource set is associated with a first one of the first target SRS resource sets in a first SRS resource set sequence.
For example, the first sequence of SRS resource sets includes SRS resource set 1 and SRS resource set 2, the SRS resource set 1 is located at the front and the SRS resource set 2 is located at the back, the second sequence of SRS resource sets includes SRS resource set 3 (i.e., the second target SRS resource set), and SRS resource set 3 is associated with the first SRS resource set identifier 1 (i.e., the first target SRS resource set) located at the front in the first sequence of SRS resource sets.
This embodiment may implement TRP 1-oriented multi-TRP scheduling of the second DCI format, for example, the first SRS resource set sequence includes an SRS resource set 1 (corresponding to TRP 1) and an SRS resource set 2 (corresponding to TRP 2), and when the second target SRS resource set is associated with the first SRS resource set (i.e., SRS resource set 1) in the first SRS resource set sequence, if the second DCI format indicates the second target SRS resource set, the PUSCH scheduled by the second DCI format may be sent to TRP1.
Example three: explicitly indicated associations.
Optionally, the method further comprises: the terminal determines the first target SRS resource set and the second target SRS resource set association according to at least one of:
1) The same SRS resource set association is identified.
For example, the first SRS resource set sequence includes SRS resource set 1 and SRS resource set 2, and the second SRS resource set sequence includes SRS resource set 1 and SRS resource set 2, then SRS resource set 1 (i.e., the second target SRS resource set) of the second SRS resource set sequence is associated with SRS resource set 1 (i.e., the first target SRS resource set) of the first SRS resource set sequence, and SRS resource set 2 (i.e., the second target SRS resource set) of the second SRS resource set sequence is associated with SRS resource set 2 (i.e., the first target SRS resource set) of the first SRS resource set sequence.
2) A first parameter carried within a set of SRS resources, the first parameter for indicating a set of SRS resources associated with the set of SRS resources.
The set of SRS resources referred to herein may include a first set of target SRS resources and a second set of target SRS resources.
Optionally, the first parameter satisfies at least one of:
1) The first parameter is an SRS resource set identification.
2) The first parameter is used to indicate that the SRS resource set is associated with a few SRS resources in a corresponding SRS resource set sequence.
Optionally, on the basis of any one of the embodiments introduced above, the method further comprises: the terminal receives a Media Access Control Element (MAC CE); and the terminal updates the path loss reference signal associated with the first target SRS resource set and the path loss reference signal associated with the second target SRS resource set according to the MAC CE. Or,
and the terminal updates path loss reference signals of all SRS resources in the first target SRS resource set according to the MAC CE.
In this embodiment, since the first target SRS resource set and the second target SRS resource set are associated, and the first target SRS resource set and the second target SRS resource set may include partially or completely the same SRS resource, the MAC CE updates path loss reference signals corresponding to all SRS resources in the first target resource set, and then path loss reference signals associated with SRS resources in the second target SRS resource set are updated at the same time.
In one example, the MAC CE includes a pathloss reference signal identifying a pathloss reference signal associated with an identification for updating the first set of target SRS resources and a pathloss reference signal associated with an identification of the second set of target SRS resources associated with the first set of target SRS resources; or, a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity used to update the second set of target SRS resources and a pathloss reference signal associated with an identity of the first set of target SRS resources associated with the second set of target SRS resources.
For example, the first SRS resource set is configured with two SRS resource sets 1 and 2, the second SRS resource set is configured with two SRS resource sets 3 and 4, SRS resource set 3 is configured based on SRS resource set 1, SRS resource set 4 is configured based on SRS resource set 2, and when the MAC CE carries the index of SRS resource set 1, the path loss reference signal of the corresponding SRS resource set 3 is also updated to the path loss reference signal indicated by the path loss reference signal index in the MAC CE. Then, when the index of SRS resource set 4 is carried in the MAC CE, the path loss reference signal of SRS resource set 2 corresponding to the index of SRS resource set 4 is also updated to the path loss reference signal indicated by the path loss reference signal index in the MAC CE.
In this embodiment, the MAC CE may include an identifier of any one of the correlated target SRS resource sets, and then the pathloss reference signal identifier included in the MAC CE is used to update the pathloss reference signals correlated to all the correlated target SRS resource sets.
In this embodiment, the MAC CE may simultaneously include an identifier of a plurality of target SRS resource sets and an identifier of at least one path loss reference signal, where the path loss reference signal identifier is used to update a path loss reference signal associated with an SRS resource set corresponding to the plurality of target SRS resource sets.
In another example, the MAC CEs include a first MAC CE and a second MAC CE; wherein a path loss reference signal included by the first MAC CE identifies a path loss reference signal used for updating the first target SRS resource set association; the second MAC CE includes a pathloss reference signal identification for updating a pathloss reference signal associated with the second set of target SRS resources.
In this embodiment, for target SRS resource sets associated with each other, a terminal receives multiple MAC CEs and updates path loss reference signals associated with the multiple target SRS resource sets at the same time.
In the foregoing embodiments, the determining, by the terminal, the transmission parameter of the SRS resource according to the configuration information includes: and the terminal determines the transmission parameters of the SRS resources according to the configuration information and the path loss reference signal indicated by the MAC CE.
Optionally, on the basis of any one of the embodiments described above, the method further includes: the terminal receives a third DCI of a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format; and the terminal determines the transmission parameter of the PUSCH according to the configuration information, the third DCI format and the information carried by the third DCI. In this embodiment, the first SRS resource set and the second SRS resource set are used for physical uplink shared channel, PUSCH, transmission.
In an example, the determining, by the terminal according to the configuration information, the third DCI format, and the information carried by the third DCI, the transmission parameter of the PUSCH includes: the terminal determines a third SRS resource set corresponding to the PUSCH according to the configuration information, the third DCI format and information carried by third DCI, wherein the third SRS resource set is the second target SRS resource set or the first target SRS resource set; the terminal determines a power control parameter set sequence of the PUSCH according to the third SRS resource set; and the terminal determines the power control parameter set of the PUSCH from the power control parameter set sequence according to the value of an SRS Resource Indicator (SRI) field in the third DCI.
Optionally, the determining, by the terminal, the power control parameter set sequence of the PUSCH according to the third SRS resource set includes:
1) The terminal takes a power control parameter set sequence corresponding to the third SRS resource set as a power control parameter set sequence of the PUSCH; or
2) The terminal takes a power control parameter set sequence corresponding to the SRS resource set associated with the third SRS resource set as a power control parameter set of the PUSCH; wherein the third SRS resource set and the SRS resource set associated with the third SRS resource set correspond to the same power control parameter set sequence.
In order to describe the method for determining the transmission parameter in detail, several specific embodiments are described below.
Example one
In this embodiment, the configuration information configures the terminal as follows: the first SRS resource set sequence (SRS-ResourceSetToAddModList) comprises two SRS resource sets for codebook transmission, which are identified as 1,2; the second SRS resource set sequence (SRS-ResourceSetToAddModListDCI-0-2) contains two SRS resource sets, labeled 3,4, for codebook transmission. The SRS resource set identified as 3 is associated with the SRS resource set identified as 1, the SRS resource set identified as 3 is configured based on the SRS resource set identified as 1, the SRS resource set identified as 4 is associated with the SRS resource set identified as 2, and the SRS resource set identified as 4 is configured based on the SRS resource set identified as 2.
The set of SRS resources identified as 1 and 2 correspond to the first DCI format and the set of SRS resources identified as 3 and 4 correspond to the second DCI format. The configuration of the SRS resource set identified as 3 includes the first N SRS resources of the SRS resource set identified as 1 and other parameter configurations; the configuration of the set of SRS resources identified as 4 contains the first N SRS resources of the set of SRS resources identified as 2 and other parameter configurations.
The embodiment can be applied to a scene of transmitting PUSCH by multiple TRPs, and can configure a second SRS resource set sequence according to the first SRS resource set sequence, thereby being beneficial to reducing the overhead of configuration information; meanwhile, since the number of SRS resources of the SRS resource sets identified as 3 and 4 is less than the number of SRS resources within the SRS resource sets identified as 1 and 2, the overhead of the second DCI format may also be reduced, for example, the overhead of the SRI domain within the second DCI format is reduced.
Example two
In this embodiment, the configuration information configures the terminal as follows: the first SRS resource set sequence (SRS-ResourceSetToAddModList) comprises two SRS resource sets for codebook transmission, which are identified as 1,2; the second SRS resource set sequence (SRS-ResourceSetToaddModListDCI-0-2) contains 1 SRS resource set for codebook transmission, identified as 4. The set of SRS resources identified as 4 is associated with the set of SRS resources identified as 1, the set of SRS resources identified as 4 being configured based on the set of SRS resources identified as 1.
The set of SRS resources identified as 1 and 2 correspond to the first DCI format and the set of SRS resources identified as 4 correspond to the second DCI format. The configuration of the set of SRS resources identified as 4 includes the first N SRS resources of the set of SRS resources identified as 1 and other parameter configurations.
EXAMPLE III
In this embodiment, the configuration information configures the terminal as follows: the first SRS resource set sequence (SRS-ResourceSetToAddModList) comprises two SRS resource sets used for codebook transmission, and the identifiers are 2,1 according to the configuration sequence; the second SRS resource set sequence (SRS-ResourceSetToaddModListDCI-0-2) contains 1 SRS resource set for codebook transmission, identified as 4. The set of SRS resources identified as 4 is associated with the set of SRS resources identified as 2, the set of SRS resources identified as 4 being configured based on the set of SRS resources identified as 2.
The SRS resource sets identified as 1 and 2 correspond to the first DCI format, and the SRS resource set identified as 4 corresponds to the second DCI format. The configuration of the set of SRS resources identified as 4 contains the first N SRS resources of the set of SRS resources identified as 2 and other parameter configurations.
The method for determining transmission parameters according to the embodiment of the present application is described in detail above with reference to fig. 2. A method for determining transmission parameters according to another embodiment of the present application will be described in detail below with reference to fig. 3. It is to be understood that the interaction between the network-side device and the terminal described from the network-side device is the same as that described at the terminal side in the method shown in fig. 2, and the related description is appropriately omitted to avoid redundancy.
Fig. 3 is a schematic implementation flow diagram of a method for determining a transmission parameter according to an embodiment of the present application, and may be applied to a network side device. As shown in fig. 3, the method 300 includes the following steps.
S302: the network side equipment transmits configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
In this embodiment, the first set of SRS resources and the second set of SRS resources are used for PUSCH transmission.
In this embodiment of the present application, a network side device may configure a first SRS resource set for a first DCI format and configure a second SRS resource set for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and thus, the first SRS resource set and the second SRS resource set may use some same configurations, which is beneficial to reducing the requirement on the capability of a terminal and reducing the cost of the terminal.
Optionally, as an embodiment, a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
Optionally, as an embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first SRS resource sets, respectively;
or,
when the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
Specifically, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively.
When X is greater than Y, the Y second target SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, as an embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively, and the X second target SRS resource sets may be the first X or the last X second SRS resource sets in the Y second SRS resource sets.
When X is larger than Y, the Y second target SRS resource sets are respectively allocated based on Y first target SRS resource sets in the X first SRS resource sets, and the Y first target SRS resource sets are the front Y or the back Y first SRS resource sets in the X first SRS resource sets.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, as an embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively, and the X second target SRS resource sets may be the first X or the last X second SRS resource sets after the Y second SRS resource sets are sorted from small to large according to the index.
When X is larger than Y, the Y second target SRS resource sets are respectively matched based on Y first target SRS resource sets in the X first SRS resource sets, and the Y first target resource sets are front Y or rear Y first SRS resource sets which are sequenced from small to large according to indexes of the X first SRS resource sets.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, as an embodiment, the first target SRS resource set and the second target SRS resource set correspond to each other after being sorted from small to large according to an index, and the second target SRS resource set is configured based on the corresponding first target SRS resource set.
For example, the number of the first SRS resource sets is 1, and the number of the second SRS resource sets is 2, then one second target SRS resource set of the 2 second SRS resource sets needs to be configured based on the first target SRS resource set, and the second target SRS resource set may be any one of the two second SRS resource sets, or the first one, or one with a smaller SRS resource set index.
For example, the number of the first SRS resource sets is 2, and the number of the second SRS resource sets is 1, then one second target SRS resource set needs to be configured based on one first target SRS resource set of the two first SRS resource sets, where the first target SRS resource set may be any one of the two first SRS resource sets, or the first one, or one with a smaller SRS resource set index.
Optionally, as an embodiment, the configuring of the second target SRS resource set includes: n SRS resources within the first set of target SRS resources and a first configuration parameter of the first set of target SRS resources; the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
Optionally, as an embodiment, the method further includes: and the network side equipment transmits an MAC CE, wherein the MAC CE is used for updating the path loss reference signal associated with the first target SRS resource set and the path loss reference signal associated with the second target SRS resource set by the terminal. Or,
and the terminal updates path loss reference signals of all SRS resources in the first target SRS resource set according to the MAC CE.
In this embodiment, since the first target SRS resource set and the second target SRS resource set are associated, and the first target SRS resource set and the second target SRS resource set may include partially or completely the same SRS resource, the MAC CE updates path loss reference signals corresponding to all SRS resources in the first target resource set, and then path loss reference signals associated with SRS resources in the second target SRS resource set are updated at the same time.
Optionally, as an embodiment, the MAC CE includes an identification of the first target SRS resource set and/or the second target SRS resource set; wherein a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity for updating the first set of target SRS resources and a pathloss reference signal associated with an identity of the second set of target SRS resources associated with the first set of target SRS resources; or, a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity used to update the second set of target SRS resources and a pathloss reference signal associated with an identity of the first set of target SRS resources associated with the second set of target SRS resources.
Optionally, as an embodiment, the MAC CE includes a first MAC CE and a second MAC CE; wherein a path loss reference signal included by the first MAC CE identifies a path loss reference signal used for updating the first target SRS resource set association; the second MAC CE includes a pathloss reference signal identification for updating a pathloss reference signal associated with the second set of target SRS resources.
Optionally, as an embodiment, the first SRS resource set and the second SRS resource set are used for PUSCH transmission, the method further includes: and the network side equipment sends a third DCI in a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format, and the third DCI is used for the terminal to determine the transmission parameters of the PUSCH.
It should be noted that, in the method for determining a transmission parameter provided in the embodiment of the present application, the execution subject may be a device for determining a transmission parameter, or a control module in the device for determining a transmission parameter, which is used for executing the method for determining a transmission parameter. In the embodiment of the present application, a method for determining a transmission parameter performed by a device for determining a transmission parameter is taken as an example, and the device for determining a transmission parameter provided in the embodiment of the present application is described.
Fig. 4 is a schematic structural diagram of an apparatus for determining transmission parameters according to an embodiment of the present application, where the apparatus may correspond to a terminal in another embodiment. As shown in fig. 4, the apparatus 400 includes the following modules.
An obtaining module 402 may be configured to obtain configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
A determining module 404, which may be configured to determine transmission parameters of SRS resources according to the configuration information, where the SRS resources belong to the first SRS resource set and/or the second SRS resource set.
In this embodiment of the present application, a first SRS resource set may be configured for a first DCI format and a second SRS resource set may be configured for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and thus, the first SRS resource set and the second SRS resource set may use some same configurations, which is beneficial to reducing capability requirements for a terminal and reducing terminal cost.
Optionally, as an embodiment, a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
Optionally, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets of the Y second SRS resource sets are configured based on the X first SRS resource sets, respectively;
or,
when the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
As an embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively.
When X is greater than Y, the Y second target SRS resource sets are configured based on Y first target SRS resource sets in the X first SRS resource sets respectively.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, as an embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively, and the X second target SRS resource sets may be the first X or the last X second SRS resource sets in the Y second SRS resource sets.
When X is greater than Y, the Y second target SRS resource sets are respectively allocated based on Y first target SRS resource sets in the X first SRS resource sets, and the Y first target resource sets are the front Y or the back Y first SRS resource sets in the X first SRS resource sets.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, as an embodiment, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets in the Y second SRS resource sets are configured based on the X first target SRS resource sets, respectively, and the X second target SRS resource sets may be the first X or the last X second SRS resource sets after the Y second SRS resource sets are sorted from small to large according to the index.
When X is larger than Y, the Y second target SRS resource sets are respectively matched based on Y first target SRS resource sets in the X first SRS resource sets, and the Y first target resource sets are front Y or rear Y first SRS resource sets which are sequenced from small to large according to indexes of the X first SRS resource sets.
When X is equal to Y, Y second target SRS resource sets are configured based on the X first target SRS resource sets, respectively.
Optionally, as an embodiment, the first target SRS resource set and the second target SRS resource set are respectively ordered from small to large according to an index and then correspond to each other, and the second target SRS resource set is configured based on the corresponding first target SRS resource set.
Optionally, as an embodiment, the configuring of the second target SRS resource set includes: n SRS resources within the first set of target SRS resources and a first configuration parameter for the first set of target SRS resources; the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
Optionally, as an embodiment, the first set of target SRS resources is associated with the second set of target SRS resources.
Optionally, as an embodiment, the determining module 404 is further configured to determine the first target SRS resource set and the second target SRS resource set association according to at least one of the following: a sorting result of the plurality of first SRS resource sets according to the size of the identifier and a sorting result of the plurality of second SRS resource sets according to the size of the identifier; a relative position of the plurality of first SRS resource sets in a first SRS resource set sequence and a relative position of the plurality of second SRS resource sets in a second SRS resource set sequence.
Optionally, as an embodiment, the second target SRS resource set is associated with a smallest first target SRS resource set in a first SRS resource set sequence; or the second target SRS resource set is associated with a first one of the first target SRS resource sets in a first SRS resource set sequence.
Optionally, as an embodiment, the determining module 404 is further configured to determine the first target SRS resource set and the second target SRS resource set association according to at least one of the following: identifying identical SRS resource set associations; a first parameter carried within a set of SRS resources, the first parameter for indicating a set of SRS resources associated with the set of SRS resources.
Optionally, as an embodiment, the first parameter satisfies at least one of the following: the first parameter is an SRS resource set identifier; the first parameter is used to indicate that the SRS resource set is associated with a few SRS resources in a corresponding SRS resource set sequence.
Optionally, as an embodiment, the obtaining module 402 is further configured to receive a MAC CE; the apparatus further includes an update module configured to update, according to the MAC CE, path loss reference signals associated with the first set of target SRS resources and path loss reference signals associated with the second set of target SRS resources. Or,
and an updating module, configured to update the path loss reference signals of all SRS resources in the first target SRS resource set according to the MAC CE.
Optionally, as an embodiment, the MAC CE includes an identification of the first target SRS resource set and/or the second target SRS resource set; wherein a path loss reference signal included by the MAC CE identifies a path loss reference signal associated with updating an identification of the first target SRS resource set and a path loss reference signal associated with an identification of the second target SRS resource set associated with the first target SRS resource set; or, a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity used to update the second set of target SRS resources and a pathloss reference signal associated with an identity of the first set of target SRS resources associated with the second set of target SRS resources.
Optionally, as an embodiment, the MAC CE includes a first MAC CE and a second MAC CE; wherein a path loss reference signal included by the first MAC CE identifies a path loss reference signal used for updating the first target SRS resource set association; the second MAC CE includes a pathloss reference signal identifier for updating a pathloss reference signal associated with the second set of target SRS resources.
Optionally, as an embodiment, the determining module 404 is configured to determine a transmission parameter of the SRS resource according to the configuration information and a path loss reference signal indicated by the MAC CE.
Optionally, as an embodiment, the first SRS resource set and the second SRS resource set are used for PUSCH transmission, and the obtaining module 402 is further configured to receive a third DCI in a third DCI format, where the third DCI format is the first DCI format or the second DCI format; the determining module 404 is further configured to determine a transmission parameter of a PUSCH according to the configuration information, the third DCI format, and information carried by the third DCI.
Optionally, as an embodiment, the transmission parameter of the PUSCH includes a power control parameter set, and the determining module 404 is configured to: determining a third SRS resource set corresponding to the PUSCH according to the configuration information, the third DCI format and information carried by third DCI, wherein the third SRS resource set is the second target SRS resource set or the first target SRS resource set; determining a power control parameter set sequence of the PUSCH according to the third SRS resource set; and determining the power control parameter set of the PUSCH from the power control parameter set sequence according to the value of the SRI domain in the third DCI.
Optionally, as an embodiment, the determining module 404 is configured to use a power control parameter set sequence corresponding to the third SRS resource set as the power control parameter set sequence of the PUSCH; or taking a power control parameter set sequence corresponding to the SRS resource set associated with the third SRS resource set as the power control parameter set of the PUSCH; wherein the third SRS resource set and the SRS resource set associated with the third SRS resource set correspond to the same power control parameter set sequence.
The apparatus 400 according to the embodiment of the present application may refer to the flow corresponding to the method 200 according to the embodiment of the present application, and each unit/module and the other operations and/or functions described above in the apparatus 400 are respectively for implementing the corresponding flow in the method 200 and achieving the same or equivalent technical effects, and are not described herein again for brevity.
The determining device of the transmission parameter in the embodiment of the present application may be a device, a device or an electronic device having an operating system, or may be a component, an integrated circuit, or a chip in a terminal. The device or the electronic equipment can be a mobile terminal or a non-mobile terminal. For example, the mobile terminal may include, but is not limited to, the above-listed type of terminal 11, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a Television (TV), a teller machine, a kiosk, or the like, and the embodiments of the present application are not limited in particular.
The device for determining transmission parameters provided in the embodiment of the present application can implement each process implemented by the method embodiments of fig. 2 to fig. 3, and achieve the same technical effect, and is not described here again to avoid repetition.
Fig. 5 is a schematic structural diagram of an apparatus for determining a transmission parameter according to an embodiment of the present application, where the apparatus may correspond to a network-side device in another embodiment. As shown in fig. 5, the apparatus 500 includes the following modules.
A transmitting module 502 may be configured to transmit configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
In this embodiment of the present application, the apparatus 500 may configure a first SRS resource set for a first DCI format and a second SRS resource set for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and thus, the first SRS resource set and the second SRS resource set may use some same configurations, which is beneficial to reducing the requirement on the capability of the terminal and reducing the cost of the terminal.
Optionally, as an embodiment, a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
Optionally, when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X second target SRS resource sets of the Y second SRS resource sets are configured based on the X first SRS resource sets, respectively;
or,
when the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
Optionally, as an embodiment, the configuring of the second target SRS resource set includes: n SRS resources within the first set of target SRS resources and a first configuration parameter of the first set of target SRS resources; the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
Optionally, as an embodiment, the sending module 502 is further configured to send a MAC CE, where the MAC CE is used for a terminal to update a pathloss reference signal associated with the first target SRS resource set and a pathloss reference signal associated with the second target SRS resource set, or the MAC CE is used for the terminal to update pathloss reference signals of all SRS resources in the first target SRS resource set.
Optionally, as an embodiment, the MAC CE includes an identification of the first target SRS resource set and/or the second target SRS resource set; wherein a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity for updating the first set of target SRS resources and a pathloss reference signal associated with an identity of the second set of target SRS resources associated with the first set of target SRS resources; or, the MAC CE includes a pathloss reference signal identifier for updating a pathloss reference signal associated with the identifier of the second target SRS resource set and a pathloss reference signal associated with the identifier of the first target SRS resource set associated with the second target SRS resource set.
Optionally, as an embodiment, the MAC CE includes a first MAC CE and a second MAC CE; wherein a path loss reference signal included by the first MAC CE identifies a path loss reference signal used for updating the first target SRS resource set association; the second MAC CE includes a pathloss reference signal identification for updating a pathloss reference signal associated with the second set of target SRS resources.
Optionally, as an embodiment, the sending module 502 is further configured to send a third DCI in a third DCI format, where the third DCI format is the first DCI format or the second DCI format, and the third DCI is used for the terminal to determine a transmission parameter of a PUSCH.
The apparatus 500 according to the embodiment of the present application may refer to the flow corresponding to the method 300 of the embodiment of the present application, and each unit/module and the other operations and/or functions described above in the apparatus 500 are respectively for implementing the corresponding flow in the method 300 and achieving the same or equivalent technical effects, and are not described herein again for brevity.
Optionally, as shown in fig. 6, an embodiment of the present application further provides a communication device 600, which includes a processor 601, a memory 602, and a program or an instruction stored on the memory 602 and executable on the processor 601, for example, when the communication device 600 is a terminal, the program or the instruction is executed by the processor 601 to implement the processes of the foregoing transmission parameter determining method embodiment, and the same technical effect can be achieved. When the communication device 600 is a network-side device, the program or the instruction is executed by the processor 601 to implement the processes of the above-mentioned method for determining transmission parameters, and the same technical effect can be achieved.
The embodiment of the present application further provides a terminal, including a processor and a communication interface, where the communication interface is configured to acquire configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set; the processor is configured to determine a transmission parameter of an SRS resource according to the configuration information, where the SRS resource belongs to the first SRS resource set and/or the second SRS resource set. The terminal embodiment corresponds to the terminal-side method embodiment, and all implementation processes and implementation manners of the method embodiment can be applied to the terminal embodiment and can achieve the same technical effect. Specifically, fig. 7 is a schematic diagram of a hardware structure of a terminal for implementing the embodiment of the present application.
The terminal 700 includes, but is not limited to: at least a part of the radio frequency unit 701, the network module 702, the audio output unit 703, the input unit 704, the sensor 705, the display unit 706, the user input unit 707, the interface unit 708, the memory 709, and the processor 710, and the like.
Those skilled in the art will appreciate that the terminal 700 may further include a power supply (e.g., a battery) for supplying power to the various components, and the power supply may be logically connected to the processor 710 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system. The terminal structure shown in fig. 7 does not constitute a limitation of the terminal, and the terminal may include more or less components than those shown, or combine some components, or have a different arrangement of components, and will not be described again here.
It should be understood that, in the embodiment of the present application, the input Unit 704 may include a Graphics Processing Unit (GPU) 7041 and a microphone 7042, and the Graphics processor 7041 processes image data of a still picture or a video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The display unit 706 may include a display panel 7061, and the display panel 7061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 707 includes a touch panel 7071 and other input devices 7072. The touch panel 7071 is also referred to as a touch screen. The touch panel 7071 may include two parts of a touch detection device and a touch controller. Other input devices 7072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
In the embodiment of the present application, the radio frequency unit 701 receives downlink data from a network side device and then processes the downlink data in the processor 710; in addition, the uplink data is sent to the network side equipment. In general, radio frequency unit 701 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
The memory 709 may be used to store software programs or instructions as well as various data. The memory 709 may mainly include a storage program or instruction area and a storage data area, wherein the storage program or instruction area may store an operating system, an application program or instruction (such as a sound playing function, an image playing function, etc.) required by at least one function, and the like. In addition, the Memory 709 may include a high-speed random access Memory and a non-transitory Memory, wherein the non-transitory Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable Programmable PROM (EPROM), an Electrically Erasable Programmable ROM (EEPROM), or a flash Memory. Such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
The radio frequency unit 701 may be configured to obtain configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
A processor 710 may be configured to determine, according to the configuration information, transmission parameters of SRS resources belonging to the first set of SRS resources and/or the second set of SRS resources.
In this embodiment of the present application, a first SRS resource set may be configured for a first DCI format and a second SRS resource set may be configured for a second DCI format, where the second SRS resource set is configured based on the first SRS resource set, and thus, the first SRS resource set and the second SRS resource set may use some same configurations, which is beneficial to reducing capability requirements for a terminal and reducing terminal cost.
The terminal 700 provided in this embodiment of the present application may also implement each process of the foregoing method for determining a transmission parameter, and may achieve the same technical effect, and for avoiding repetition, details are not described here again.
The embodiment of the present application further provides a network side device, which includes a processor and a communication interface, where the communication interface is configured to send configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set. The embodiment of the network side device corresponds to the embodiment of the method of the network side device, and all implementation processes and implementation manners of the embodiment of the method can be applied to the embodiment of the network side device and can achieve the same technical effect.
Specifically, the embodiment of the application further provides a network side device. As shown in fig. 8, the network-side device 800 includes: antenna 81, radio frequency device 82, baseband device 83. The antenna 81 is connected to a radio frequency device 82. In the uplink direction, the rf device 82 receives information via the antenna 81 and sends the received information to the baseband device 83 for processing. In the downlink direction, the baseband device 83 processes the information to be transmitted and transmits the information to the rf device 82, and the rf device 82 processes the received information and transmits the processed information through the antenna 81.
The above-mentioned band processing means may be located in the baseband device 83, and the method performed by the network side device in the above embodiment may be implemented in the baseband device 83, where the baseband device 83 includes a processor 84 and a memory 85.
The baseband device 83 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 8, where one of the chips, for example, the processor 84, is connected to the memory 85 to call up the program in the memory 85 to perform the network side device operation shown in the above method embodiment.
The baseband device 83 may further include a network interface 86 for exchanging information with the radio frequency device 82, such as a Common Public Radio Interface (CPRI).
Specifically, the network side device in the embodiment of the present application further includes: the instructions or programs stored in the memory 85 and executable on the processor 84, and the processor 84 calls the instructions or programs in the memory 85 to execute the methods executed by the modules shown in fig. 5, and achieve the same technical effects, which are not described herein for avoiding repetition.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the foregoing method for determining a transmission parameter, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The processor may be the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement each process of the foregoing method for determining a transmission parameter, and the same technical effect can be achieved, and is not described here again to avoid repetition.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.
The embodiments of the present application further provide a computer program product, where the computer program product is stored in a non-volatile memory, and the computer program product is executed by at least one processor to implement each process of the foregoing method for determining a transmission parameter, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
The embodiment of the present application further provides a communication device, which is configured to execute each process of the foregoing method for determining a transmission parameter, and can achieve the same technical effect, and details are not repeated here to avoid repetition.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solutions of the present application may be embodied in the form of a computer software product, which is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (e.g., a mobile phone, a computer, a server, an air conditioner, or a network-side device) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (41)
1. A method for determining transmission parameters, comprising:
a terminal acquires configuration information, wherein the configuration information comprises at least one first Sounding Reference Signal (SRS) resource set configured for a first Downlink Control Information (DCI) format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set;
and the terminal determines the transmission parameters of SRS resources according to the configuration information, wherein the SRS resources belong to the first SRS resource set and/or the second SRS resource set.
2. The method of claim 1, wherein a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
3. The method of claim 2, wherein when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X of the Y second SRS resource sets are configured based on X of the first SRS resource sets, respectively;
or,
when the number X of the first SRS resource sets is larger than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets in the X first SRS resource sets respectively.
4. The method of claim 3, wherein the configuring of the second set of target SRS resources comprises:
n SRS resources within the first set of target SRS resources and a first configuration parameter of the first set of target SRS resources;
the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
5. The method of claim 2, 3 or 4, wherein the first set of target SRS resources is associated with the second set of target SRS resources.
6. The method of claim 5, further comprising: the terminal determines the first target SRS resource set and the second target SRS resource set association according to at least one of:
a sorting result of the plurality of first SRS resource sets according to the size of the identifier and a sorting result of the plurality of second SRS resource sets according to the size of the identifier;
a relative position of the plurality of first SRS resource sets in a first SRS resource set sequence and a relative position of the plurality of second SRS resource sets in a second SRS resource set sequence.
7. The method of claim 5,
the second target SRS resource set is associated with the smallest first target SRS resource set identified in a first SRS resource set sequence; or
The second target SRS resource set is associated with a first one of the first target SRS resource sets in a first SRS resource set sequence.
8. The method of claim 5, further comprising: the terminal determines the first target SRS resource set and the second target SRS resource set association according to at least one of:
identifying identical SRS resource set associations;
a first parameter carried within a set of SRS resources, the first parameter for indicating a set of SRS resources associated with the set of SRS resources.
9. The method of claim 8, wherein the first parameter satisfies at least one of:
the first parameter is an SRS resource set identifier;
the first parameter is used to indicate that the SRS resource set is associated with a few SRS resources in a corresponding sequence of SRS resource sets.
10. The method of claim 2, further comprising:
the terminal receives a media access control (MAC CE);
and the terminal updates the path loss reference signals associated with the first target SRS resource set and the path loss reference signals associated with the second target SRS resource set according to the MAC CE, or the terminal updates the path loss reference signals of all SRS resources in the first target SRS resource set according to the MAC CE.
11. The method of claim 10, wherein the MAC CE includes an identification of the first set of target SRS resources and/or the second set of target SRS resources;
wherein a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity for updating the first set of target SRS resources and a pathloss reference signal associated with an identity of the second set of target SRS resources associated with the first set of target SRS resources; or,
the MAC CE includes a pathloss reference signal identifier for updating pathloss reference signals associated with the identity of the second target SRS resource set and pathloss reference signals associated with the identity of the first target SRS resource set associated with the second target SRS resource set.
12. The method of claim 10, wherein the MAC CE comprises a first MAC CE and a second MAC CE;
wherein a path loss reference signal included by the first MAC CE identifies a path loss reference signal used for updating the first target SRS resource set association; the second MAC CE includes a pathloss reference signal identification for updating a pathloss reference signal associated with the second set of target SRS resources.
13. The method according to any of claims 10 to 12, wherein the determining, by the terminal, the transmission parameters of the SRS resources according to the configuration information comprises:
and the terminal determines the transmission parameters of the SRS resources according to the configuration information and the path loss reference signal indicated by the MAC CE.
14. The method of claim 2, wherein the first set of SRS resources and the second set of SRS resources are for Physical Uplink Shared Channel (PUSCH) transmission, the method further comprising:
the terminal receives a third DCI of a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format;
and the terminal determines the transmission parameter of the PUSCH according to the configuration information, the third DCI format and the information carried by the third DCI.
15. The method of claim 14, wherein the transmission parameters of the PUSCH include a set of power control parameters, and wherein the terminal determining the transmission parameters of the PUSCH according to the configuration information, the third DCI format, and information carried by the third DCI comprises:
the terminal determines a third SRS resource set corresponding to the PUSCH according to the configuration information, the third DCI format and information carried by a third DCI, wherein the third SRS resource set is the second target SRS resource set or the first target SRS resource set;
the terminal determines a power control parameter set sequence of the PUSCH according to the third SRS resource set;
and the terminal determines the power control parameter set of the PUSCH from the power control parameter set sequence according to the value of the SRI domain in the third DCI.
16. The method of claim 15, wherein the terminal determining the sequence of power control parameter sets for the PUSCH according to the third set of SRS resources comprises:
the terminal takes a power control parameter set sequence corresponding to the third SRS resource set as a power control parameter set sequence of the PUSCH; or
The terminal takes a power control parameter set sequence corresponding to the SRS resource set associated with the third SRS resource set as a power control parameter set of the PUSCH; wherein the third SRS resource set and the SRS resource set associated with the third SRS resource set correspond to the same power control parameter set sequence.
17. A method for determining transmission parameters, comprising:
the network side equipment transmits configuration information, wherein the configuration information comprises at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
18. The method of claim 17, wherein a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
19. The method of claim 18, wherein when the number X of the first SRS resource sets is smaller than the number Y of the second SRS resource sets, X of the Y second SRS resource sets are configured based on X first SRS resource sets;
or,
when the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
20. The method of claim 19, wherein the configuring of the second set of target SRS resources comprises:
n SRS resources within the first set of target SRS resources and a first configuration parameter of the first set of target SRS resources;
the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
21. The method of claim 18, further comprising:
and the network side equipment transmits an MAC CE, wherein the MAC CE is used for a terminal to update path loss reference signals associated with the first target SRS resource set and path loss reference signals associated with the second target SRS resource set, or the MAC CE is used for the terminal to update path loss reference signals of all SRS resources in the first target SRS resource set.
22. The method of claim 21, wherein the MAC CE includes an identification of the first set of target SRS resources and/or the second set of target SRS resources;
wherein a pathloss reference signal included by the MAC CE identifies a pathloss reference signal associated with an identity for updating the first set of target SRS resources and a pathloss reference signal associated with an identity of the second set of target SRS resources associated with the first set of target SRS resources; or,
the MAC CE includes pathloss reference signals identifying pathloss reference signals associated with an identity of the second set of target SRS resources for updating and pathloss reference signals associated with an identity of the first set of target SRS resources associated with the second set of target SRS resources.
23. The method of claim 21, wherein the MAC CE comprises a first MAC CE and a second MAC CE;
wherein a path loss reference signal included by the first MAC CE identifies a path loss reference signal used for updating the first target SRS resource set association; the second MAC CE includes a pathloss reference signal identification for updating a pathloss reference signal associated with the second set of target SRS resources.
24. The method of claim 18, wherein the first set of SRS resources and the second set of SRS resources are for PUSCH transmissions, the method further comprising:
and the network side equipment sends a third DCI of a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format, and the third DCI is used for the terminal to determine the transmission parameters of the PUSCH.
25. An apparatus for determining transmission parameters, comprising:
an obtaining module, configured to obtain configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set;
a determining module, configured to determine, according to the configuration information, a transmission parameter of an SRS resource, where the SRS resource belongs to the first SRS resource set and/or the second SRS resource set.
26. The apparatus of claim 25, wherein a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
27. The apparatus of claim 26, wherein when the number X of the first SRS resource sets is less than the number Y of the second SRS resource sets, X of the second target SRS resource sets of the Y second SRS resource sets are configured based on X of the first SRS resource sets, respectively;
or,
when the number X of the first SRS resource sets is greater than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets of the X first SRS resource sets, respectively.
28. The apparatus of claim 27, wherein the configuration of the second set of target SRS resources comprises:
n SRS resources within the first set of target SRS resources and a first configuration parameter of the first set of target SRS resources;
the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
29. The apparatus of claim 25,
the acquisition module is further used for receiving the MAC CE;
the apparatus further includes an updating module, configured to update, according to the MAC CE, path loss reference signals associated with the first target SRS resource set and path loss reference signals associated with the second target SRS resource set, or update, by the terminal, path loss reference signals of all SRS resources in the first target SRS resource set according to the MAC CE.
30. The apparatus of claim 25, wherein the first set of SRS resources and the second set of SRS resources are for PUSCH transmissions,
the obtaining module is further configured to obtain a third DCI in a third DCI format, where the third DCI format is the first DCI format or the second DCI format;
the determining module is further configured to determine a transmission parameter of a PUSCH according to the configuration information, the third DCI format, and information carried by the third DCI.
31. The apparatus of claim 30, wherein the transmission parameters of the PUSCH comprise a set of power control parameters, and wherein the determining means is configured to:
determining a third SRS resource set corresponding to the PUSCH according to the configuration information, the third DCI format and information carried by third DCI, wherein the third SRS resource set is the second target SRS resource set or the first target SRS resource set;
determining a power control parameter set sequence of the PUSCH according to the third SRS resource set;
and determining the power control parameter set of the PUSCH from the power control parameter set sequence according to the value of the SRI domain in the third DCI.
32. The apparatus of claim 31, wherein the determining module is configured to:
taking a power control parameter set sequence corresponding to the third SRS resource set as a power control parameter set sequence of the PUSCH; or
Taking a power control parameter set sequence corresponding to the SRS resource set associated with the third SRS resource set as a power control parameter set of the PUSCH; wherein the third SRS resource set and the SRS resource set associated with the third SRS resource set correspond to the same power control parameter set sequence.
33. An apparatus for determining transmission parameters, comprising:
a transmitting module, configured to transmit configuration information, where the configuration information includes at least one first SRS resource set configured for a first DCI format and at least one second SRS resource set configured for a second DCI format, and the second SRS resource set is configured based on the first SRS resource set.
34. The apparatus of claim 33, wherein a second target SRS resource set of the at least one second SRS resource set is configured based on a first target SRS resource set of the at least one first SRS resource set.
35. The apparatus of claim 34, wherein when the number X of the first SRS resource sets is less than the number Y of the second SRS resource sets, X of the second target SRS resource sets of the Y second SRS resource sets are configured based on X of the first SRS resource sets, respectively;
or,
when the number X of the first SRS resource sets is larger than or equal to the number Y of the second SRS resource sets, Y second SRS resource sets are configured based on Y first target SRS resource sets in the X first SRS resource sets respectively.
36. The apparatus of claim 35, wherein the configuration of the second set of target SRS resources comprises:
n SRS resources within the first set of target SRS resources and a first configuration parameter for the first set of target SRS resources;
the first target SRS resource set comprises M SRS resources, M is larger than or equal to N, and M and N are positive integers.
37. The apparatus of claim 33, wherein the transmitting module is further configured to transmit a MAC CE, and wherein the MAC CE is configured to update a path loss reference signal associated with the first target SRS resource set and a path loss reference signal associated with the second target SRS resource set for a terminal, or wherein the MAC CE is configured to update a path loss reference signal for all SRS resources in the first target SRS resource set for the terminal.
38. The apparatus of claim 33, wherein the transmitting module is further configured to transmit a third DCI in a third DCI format, wherein the third DCI format is the first DCI format or the second DCI format, and wherein the third DCI is used for determining a transmission parameter of a PUSCH by a terminal.
39. A terminal comprising a processor, a memory and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing a method of determining transmission parameters according to any one of claims 1 to 16.
40. A network-side device comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the method for determining transmission parameters according to any one of claims 17 to 24.
41. A readable storage medium, characterized in that a program or instructions are stored thereon, which program or instructions, when executed by a processor, implement the method for determining transmission parameters according to any one of claims 1 to 16, or implement the method for determining transmission parameters according to any one of claims 17 to 24.
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