CN112867057B - Data transmission method and device - Google Patents
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- 238000000034 method Methods 0.000 title claims abstract description 79
- 230000005540 biological transmission Effects 0.000 title claims abstract description 30
- 238000004891 communication Methods 0.000 claims description 73
- 238000004590 computer program Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 12
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0215—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices
- H04W28/0221—Traffic management, e.g. flow control or congestion control based on user or device properties, e.g. MTC-capable devices power availability or consumption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0252—Traffic management, e.g. flow control or congestion control per individual bearer or channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
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Abstract
The embodiment of the application provides a data transmission method and device, wherein the method comprises the following steps: the terminal equipment determines a first parameter, wherein the first parameter is a maximum output power back-off (P-MPR) or an energy allowance of power management; the terminal equipment sends a first Media Access Control (MAC) Control Element (CE) according to the logic channel priority of the CE carrying the first parameter; wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a data transmission method and apparatus.
Background
When the terminal equipment receives and transmits data in a wireless mode, ionizing radiation can be generated on a human body under the action of an electromagnetic field. Various national authorities, such as the federal communications commission and the international non-ionizing radiation protection commission, etc., impose restrictions on radio frequency radiation from terminal equipment, avoiding harm to the human body caused by ionizing radiation generated by the terminal equipment. In general, terminal devices with operating frequencies below 6GHz all use electromagnetic wave absorption ratios (specific absorption rate, SAR) to evaluate the effect of ionizing radiation on the human body; terminal equipment above 6GHz, due to the higher frequency of electromagnetic waves, has a relatively poor penetration of electromagnetic waves, and the effect of ionizing radiation on the human body is generally evaluated with maximum permissible exposure (maximum permissible exposure, MPE).
In a wireless communication system standard, for example, a 5th generation mobile communication (The 5th generation,5G) communication system formulated by a third generation partnership project (The 3rd Generation Partnership Project,3GPP), in order to avoid that ionizing radiation generated by a terminal device is too large to exceed regulatory requirements of various countries, the terminal device can limit The maximum transmission power of The terminal device through maximum output power backoff (max output power reduction, MPR) of power management (power management), i.e., parameter P-MPR, so as to reduce SAR or MPE of The terminal device, and achieve The purpose of meeting regulatory requirements. Since the P-MPR is autonomously controlled and set by the terminal device, if the terminal device sets a larger P-MPR, it may cause a radio link failure, and then the terminal device needs to perform a procedure such as radio resource control (radio resource control, RRC) reestablishment. When the terminal device operates in the frequency range2 (FR 2), the frequency of occurrence of the radio link failure is more serious. For this purpose, the R16 protocol is considering newly introduced energy headroom (energy headroom), and the terminal device reports the energy headroom without exceeding the regulation to the network device according to the radiation condition of the terminal device; the network device schedules resources accordingly so that the ionizing radiation of the terminal device does not exceed regulatory requirements. Meanwhile, the R16 protocol also takes the terminal equipment into consideration to report the P-MPR as described above, so as to achieve the purpose of meeting the requirement of regulations.
However, there is no clear solution for how the terminal device reports the P-MPR or the energy margin.
Disclosure of Invention
The embodiment of the application provides a data transmission method and device, which are used for solving the problem of how to report P-MPR or energy allowance.
In a first aspect, the present application provides a method comprising: the terminal equipment determines a first parameter, wherein the first parameter is a maximum output power back-off (P-MPR) or an energy allowance of power management; the terminal equipment sends a first Media Access Control (MAC) Control Element (CE) according to the logic channel priority of the CE carrying the first parameter; wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
By the method, the priority of the logic channel of the first MAC CE carrying the P-MPR or the energy allowance is lower than that of the logic channel of the second MAC CE, so that the terminal equipment can transmit the first MAC CE preferentially while avoiding the influence on the uplink performance and the uplink experience, and the terminal equipment can report the P-MPR or the energy allowance with high efficiency.
In one possible implementation, the logical channel priority of the first MAC CE is higher than the logical channel priority of a third MAC CE, which is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
In one possible implementation, the logical channel priority of the first MAC CE is lower than the logical channel priority of the third MAC CE, and the logical channel priority of the first MAC CE is higher than the logical channel priority of the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
In a possible implementation manner, the sending, by the terminal device, the first MAC CE according to a logical channel priority of the first medium access control MAC control element CE for carrying the first parameter includes:
and the terminal equipment carries the first parameter in the first MAC CE, assembles the first MAC CE into an MAC protocol data unit according to the logic channel priority of the first MAC CE, and sends the MAC PDU.
In a second aspect, the present application also provides a communication device having means to implement any of the methods provided in the first aspect above. The communication device may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software includes one or more units or units corresponding to the functions described above.
In one possible implementation, the communication device includes: a processor configured to support the communication device to perform the corresponding functions of the terminal device in the method shown above. The communication device may also include a memory, which may be coupled to the processor, that holds the program instructions and data necessary for the communication device. Optionally, the communication apparatus further comprises a communication interface for supporting communication between the communication apparatus and a device such as a network device.
In a possible implementation manner, the communication device includes corresponding functional units, each for implementing a step in the above method. The functions may be realized by hardware, or may be realized by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.
In a possible implementation manner, the communication apparatus includes a processing unit and a communication unit in a structure, where the units may perform corresponding functions in the foregoing method examples, and specific reference is made to the description in the method provided in the first aspect, which is not repeated herein.
In a third aspect, the present application further provides a data transmission method, including: the network equipment receives a first Media Access Control (MAC) Control Element (CE) from the terminal equipment; the first MAC CE is used for carrying a first parameter, and the first parameter is a maximum output power backoff (P-MPR) or an energy margin of power management; the network equipment controls uplink transmission of the terminal equipment according to a first parameter in the first MAC CE; wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
In one possible implementation, the logical channel priority of the first MAC CE is higher than the logical channel priority of a third MAC CE, which is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
In one possible implementation, the logical channel priority of the first MAC CE is lower than the logical channel priority of the third MAC CE, and the logical channel priority of the first MAC CE is higher than the logical channel priority of the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
In a fourth aspect, the present application also provides a communications device having means for implementing any of the methods provided in the third aspect. The communication device may be implemented by hardware, or may be implemented by hardware executing corresponding software. The hardware or software includes one or more units or units corresponding to the functions described above.
In one possible implementation, the communication device includes: a processor configured to support the communication apparatus to perform the corresponding functions of the network device in the method shown above. The communication device may also include a memory, which may be coupled to the processor, that holds the program instructions and data necessary for the communication device. Optionally, the communication device further comprises a communication interface for supporting communication between the communication device and a terminal equipment or the like.
In a possible implementation manner, the communication device includes corresponding functional units, each for implementing a step in the above method. The functions may be realized by hardware, or may be realized by hardware executing corresponding software. The hardware or software includes one or more units corresponding to the above functions.
In a possible implementation manner, the communication apparatus includes a processing unit and a communication unit in a structure, where the units may perform corresponding functions in the foregoing method examples, and specific reference is made to the description in the method provided in the second aspect, which is not repeated herein.
In a fifth aspect, embodiments of the present application provide a communication device, including a processor and a memory:
the processor is configured to execute a computer program or instructions stored in the memory, which when executed, performs the method of any one of the possible designs of any one of the above aspects.
In a sixth aspect, embodiments of the present application provide a readable storage medium comprising a computer program or instructions which, when executed, performs the method of any one of the possible designs of any one of the above aspects.
In a seventh aspect, embodiments of the present application provide a chip comprising a processor coupled to a memory for executing a computer program or instructions stored in the memory, the method in any one of the possible designs of any one of the above aspects being performed when the computer program or instructions are executed.
In an eighth aspect, embodiments of the present application provide a computer program product, which when read and executed by a computer, performs the method of any one of the possible designs of any one of the above aspects.
In a ninth aspect, embodiments of the present application provide a communication device comprising a processor, a transceiver, and a memory;
the processor is configured to execute a computer program or instructions stored in the memory, which when executed, cause the communication device to implement the method in any one of the possible designs of any one of the above aspects.
In a tenth aspect, an embodiment of the present application provides a system, including the terminal device provided in the second aspect and the network device provided in the fourth aspect.
Drawings
Fig. 1 is a schematic diagram of a communication system architecture according to an embodiment of the present application;
Fig. 2 is a schematic flow chart of a data transmission method according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a communication device according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below with reference to the accompanying drawings.
The embodiments of the present application may be applied to various mobile communication systems, for example: other communication systems, particularly but not limited herein, new Radio (NR) systems, global system for mobile communications (global system of mobile communication, GSM) systems, code division multiple access (code division multiple access, CDMA) systems, wideband code division multiple access (wideband code division multiple access, WCDMA) systems, general packet radio service (general packet radio service, GPRS), long term evolution (long term evolution, LTE) systems, long term evolution-advanced (advanced long term evolution, LTE-a) systems, universal mobile telecommunications systems (universal mobile telecommunication system, UMTS), evolved long term evolution (evolved long term evolution, LTE) systems, future communication systems, and the like.
To facilitate understanding of the embodiments of the present application, a communication system suitable for the embodiments of the present application will be described in detail first with reference to the communication system shown in fig. 1 as an example. Fig. 1 shows an architecture of a possible communication system suitable for the method provided in the embodiment of the present application, where the architecture of the communication system includes a network device and at least one terminal device, where: the network device may establish a communication link with at least one terminal device, such as terminal device 1 and terminal device 2 shown in the figures, via beams of different directions. The network device may provide radio access related services to the at least one terminal device, implementing one or more of the following functions: radio physical layer functions, resource scheduling and radio resource management, quality of service (quality of service, qos) management, radio access control, and mobility management functions. The at least one terminal device may also form a beam for data transmission with the network device. In this embodiment, the network device and at least one terminal device may communicate via a beam.
It should be noted that the architecture of the communication system shown in fig. 1 is not limited to only including the devices shown in the drawings, but may also include other devices not shown in the drawings, and the specific application is not listed here.
In the embodiment of the application, the terminal device is a device with a wireless transceiving function or a chip which can be arranged on the device. The device with wireless transceiver function may also be referred to as a User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a user agent, or a user equipment. In practical applications, the terminal device in the embodiments of the present application may be a mobile phone (mobile phone), a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal, an augmented reality (augmented reality, AR) terminal, a wireless terminal in industrial control (industrial control), a wireless terminal in unmanned driving (self driving), a wireless terminal in remote medical (remote medical), a wireless terminal in smart grid (smart grid), a wireless terminal in transportation security (transportation safety), a wireless terminal in smart city (smart city), a wireless terminal in smart home (smart home), and so on. The embodiments of the present application are not limited to application scenarios. The foregoing device having a wireless transceiver function and a chip that can be provided in the device are collectively referred to as a terminal device in this application.
In the embodiments of the present application, the network device may be a wireless access device under various standards, such as an evolved Node B (eNB), a radio network controller (radio network controller, RNC) or a Node B (Node B, NB), a base station controller (base station controller, BSC), a base transceiver station (base transceiver station, BTS), a home base station (e.g., home evolved NodeB, or home Node B, HNB), a baseband unit (BBU), an Access Point (AP) in a wireless fidelity (wireless fidelity, WIFI) system, a wireless relay Node, a wireless backhaul Node, a transmission point (transmission and reception point, TRP or transmission point, TP), and the like, and may also be a gNB or a transmission point (TRP or TP) in a 5G (NR) system, one or a group of antenna panels (including a plurality of antenna panels) of a base station in a 5G system, or may also be a network Node such as a unit (BBU) that forms a gNB or a transmission point, or a baseband-DU architecture in a centralized-distributed-DU system, and the like.
In addition, in the embodiments of the present application, the term "exemplary" is used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, the term use of an example is intended to present concepts in a concrete fashion.
The network architecture and the service scenario described in the embodiments of the present application are for more clearly describing the technical solution of the embodiments of the present application, and do not constitute a limitation on the technical solution provided in the embodiments of the present application, and those skilled in the art can know that, with the evolution of the network architecture and the appearance of the new service scenario, the technical solution provided in the embodiments of the present application is also applicable to similar technical problems.
Currently, in order to avoid excessive ionizing radiation generated by the terminal device, if the terminal device detects that the transmission power needs to be reduced, the terminal device may reduce the transmission power by setting P-MPR. Since the P-MPR is autonomously controlled and set by the terminal device, if the terminal device sets a larger P-MPR, it will cause radio link failure, and then the terminal device needs to perform a radio resource control (radio resource control, RRC) reestablishment procedure. When the terminal device operates in the frequency range2 (FR 2), the frequency of occurrence of the radio link failure is more serious.
For this reason, 3GPP is developing 5g r16 protocol, so as to solve the problem that when the terminal device works under FR2, the terminal device sets a larger P-MPR, which results in radio link failure and connection release, and consider that the terminal device actively reports auxiliary information, which may be P-MPR or energy margin. Therefore, the embodiment of the application provides a P-MPR or energy margin reporting method. It should be noted that, in the embodiment of the present application, the energy margin may refer to a difference between the maximum transmission energy allowed by the terminal device and the transmission energy already used by the current terminal device.
The embodiment of the present application is not limited to a specific time length of "a period of time", and may be set according to actual situations, which is not described herein.
In the embodiment of the present application, the P-MPR or the energy margin is transmitted through a media access control (medium access control, MAC) Control Element (CE) in a MAC protocol data unit (protocol data unit, PDU). One MAC PDU comprises at least one MAC sub (sub) PDU, wherein one MAC sub PDU at least comprises a MAC sub header and can also comprise contents such as a MAC CE. When the MAC CE in the MAC sub PDU is used to carry the P-MPR or the energy margin, the MAC CE may be referred to as a P-MPR MAC CE or an energy margin MAC CE, and for convenience of description, in the following description, the MAC CE is simply referred to as a first MAC CE.
With reference to fig. 2 in combination with the foregoing description, a flow chart of a data transmission method according to an embodiment of the present application is provided.
The method comprises the following steps:
step 201: the terminal device determines a first parameter, which is P-MPR or an energy margin.
Step 202: and the terminal equipment sends the first MAC CE according to the logic channel priority of the first MAC CE carrying the first parameter.
As described above, the first MAC CE is transmitted in a MAC PDU.
Step 203: the network device receives a first MAC CE from the terminal device.
The first MAC CE is used for carrying a first parameter.
Step 204: and the network equipment controls the uplink transmission of the terminal equipment according to the first parameter in the first MAC CE.
How the network device specifically controls the uplink transmission of the terminal device is not limited in this embodiment, and will not be described herein.
In the embodiment of the present application, the format of the first MAC CE may be multiplexed with the format of the MAC CE in the prior art, or a new format may be reset, which is not limited in the embodiment of the present application.
In the prior art, the MAC layer is responsible for multiplexing multiple logical channels (logical channels) onto the same transport channel (transport channel). Therefore, the terminal device can assemble the data of different logic channels into one MAC PDU in a multiplexing mode.
The total amount of data that the terminal device can send is determined according to the resources scheduled by the network device, the terminal device may not be able to send all the data that needs to be sent through the MAC PDU at a time, for which purpose, the terminal device may determine which MAC CEs are carried in the MAC PDU according to the logical channel priority of each MAC CE in the process of assembling the MAC PDU.
The logical channel priorities of the MAC CEs at present may be in the following order from high to low:
1. a MAC CE for a cell radio network temporary identifier (cell radio network tempory identity, C-RNTI) or data from an uplink common control channel (UL-common control channel, UL-CCCH);
2. a MAC CE for semi-persistent scheduling (semi persistent scheduling, SPS) configuration grant confirmation (configured grant confirmation);
3. MAC CE for BSR other than padding buffer status report (buffer status report, BSR);
4. a MAC CE for a power headroom report (power headroom report, PHR) or an extended PHR or a single entity PHR or a multi-entity PHR;
5. a MAC CE for data from any logical channel other than UL-CCCH data;
6. a MAC CE for a recommended bit rate query (recommended bit rate query);
7. MAC CE for padding BSR.
In this embodiment of the present application, there may be multiple implementations of the logical channel priority of the first MAC CE, which are described below.
In one possible implementation, the BSR informs the network of the size of its buffer, if the buffer is large, the network may increase uplink scheduling of the terminal, and if the buffer is 0, the network does not need to continue to schedule the terminal, so if the BSR cannot send and receive normally, the network cannot schedule the terminal effectively. The BSR is thus the basic function of the uplink data traffic, with a large impact on uplink performance and uplink experience, for which the logical channel priority of the first MAC CE may be lower than the logical channel priority of the second MAC CE, which is the MAC CE for BSR other than the padding buffer status report BSR.
In addition, the MAC CE used for PHR or extended PHR or single-entity PHR or multi-entity PHR, hereinafter referred to as the third MAC CE for short, is used for reporting the power headroom of the terminal device, thereby assisting the network in performing adaptive modulation coding and power control. The first MAC CE mainly informs the network of the SAR/MPE limitation, and if the limitation is severe and the first MAC CE is not transmitted in time, the first MAC CE may immediately cause serious effects such as radio link failure. In contrast, the third MAC CE is not transmitted in time and does not immediately have a serious impact. Thus, in this implementation, the logical channel priority of the first MAC CE may be higher than the logical channel priority of the third MAC CE.
In summary, in this implementation, the logical channel priority of the first MAC CE may be lower than the logical channel priority of the second MAC CE and may be higher than the logical channel priority of the third MAC CE. For this purpose, the logical channel priorities of different MAC CEs may be changed from high to low into the following order:
1. MAC CE for C-RNTI or data from UL-CCCH;
2. a MAC CE for semi-persistent scheduling configuration grant confirmation;
3. MAC CEs for BSR other than padding BSR;
4. A MAC CE for carrying a P-MPR or an energy headroom, i.e., a first MAC CE;
5. MAC CEs for PHR or extended PHR or single-entity PHR or multi-entity PHR;
6. a MAC CE for data from any logical channel other than UL-CCCH data;
7. a MAC CE for recommending bit rate queries;
8. MAC CE for padding BSR.
In another possible implementation, the logical channel priority of the first MAC CE may be lower than the logical channel priority of the second MAC CE.
Second, the third MAC CE can play a role in assisting the network adaptive code modulation in various scenarios, but the first MAC CE will generally have a larger effect on the SAR/MPE limited situation, so in this implementation, the logical channel priority of the third MAC CE may also be greater than the logical channel priority of the first MAC CE.
On the other hand, the first MAC CE may belong to power control related signaling and may have a higher priority than the fourth MAC CE. Wherein the fourth MAC CE is a MAC CE for data from any logical channel other than UL-CCCH data.
In summary, in this implementation, the logical channel priority of the first MAC CE may be lower than the logical channel priority of the third MAC CE and may be higher than the logical channel priority of the fourth MAC CE. For this purpose, the logical channel priorities of different MAC CEs may also be changed from high to low to the following order:
1. MAC CE for C-RNTI or data from UL-CCCH;
2. a MAC CE for semi-persistent scheduling configuration grant confirmation;
3. MAC CEs for BSR other than padding BSR;
4. MAC CEs for PHR or extended PHR or single-entity PHR or multi-entity PHR;
5. a MAC CE for carrying a P-MPR or an energy headroom, i.e., a first MAC CE;
6. a MAC CE for data from any logical channel other than UL-CCCH data;
7. a MAC CE for recommending bit rate queries;
8. MAC CE for padding BSR.
Of course, the above is merely an example, and the logical channel priority of the first MAC CE may be other cases, specifically determined according to the actual situation, which are not illustrated one by one.
The various embodiments described herein may be separate solutions or may be combined according to inherent logic, which fall within the scope of the present application.
It should be understood that, in the foregoing embodiments of the methods and operations implemented by the terminal device, the methods and operations implemented by the network device may also be implemented by a component (e.g., a chip or a circuit) that may be used in the terminal device, or the methods and operations implemented by the network device may also be implemented by a component (e.g., a chip or a circuit) that may be used in the network device.
In the embodiments provided in the present application, the methods provided in the embodiments of the present application are described from the perspective of interaction between the respective devices. In order to implement the functions in the methods provided in the embodiments of the present application, the terminal device and the network device may include hardware structures and/or software modules, and implement the functions in the form of hardware structures, software modules, or a combination of hardware structures and software modules. Some of the functions described above are performed in a hardware configuration, a software module, or a combination of hardware and software modules, depending on the specific application of the solution and design constraints.
The division of the modules in the embodiment of the present application is schematic, which is merely a logic function division, and other division manners may be implemented in practice. In addition, each functional module in the embodiments of the present application may be integrated in one processor, or may exist alone physically, or two or more modules may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules.
As with the above concept, as shown in fig. 3, the embodiment of the present application further provides an apparatus 300 for implementing the functions of the terminal device or the network device in the above method. For example, the apparatus may be a software module or a system on a chip. In the embodiment of the application, the chip system may be formed by a chip, and may also include a chip and other discrete devices. The apparatus 300 may include: a processing unit 301 and a communication unit 302.
In this embodiment of the present application, the communication unit may also be referred to as a transceiver unit, and may include a sending unit and/or a receiving unit, which are configured to perform the steps of sending and receiving by the terminal device or the network device in the foregoing method embodiment, respectively.
The following describes in detail the communication device provided in the embodiment of the present application with reference to fig. 3 to 4. It should be understood that the descriptions of the apparatus embodiments and the descriptions of the method embodiments correspond to each other, and thus, descriptions of details not described may be referred to the above method embodiments, which are not repeated herein for brevity.
In one possible design, the apparatus 300 may implement steps or flows corresponding to those performed by the terminal device or the network device in the above method embodiment, which are described below, respectively.
Illustratively, when the apparatus 300 implements the functionality of the terminal device in the flow shown in fig. 2:
a processing unit 301 configured to determine a first parameter, where the first parameter is a power management maximum output power back-off P-MPR or an energy margin;
a communication unit 302, configured to send the first MAC CE according to a logical channel priority of a first medium access control MAC control element CE used to carry the first parameter;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
In one possible implementation, the logical channel priority of the first MAC CE is higher than the logical channel priority of a third MAC CE, which is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
In one possible implementation, the logical channel priority of the first MAC CE is lower than the logical channel priority of the third MAC CE, and the logical channel priority of the first MAC CE is higher than the logical channel priority of the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
In one possible implementation, the communication unit 302 is specifically configured to:
and carrying the first parameter in the first MAC CE, assembling the first MAC CE into an MAC protocol data unit according to the logic channel priority of the first MAC CE, and transmitting the MAC PDU.
Illustratively, when the apparatus 300 implements the functionality of the network device in the flow shown in fig. 2:
A communication unit 302, configured to receive a first medium access control MAC control element CE from a terminal device; the first MAC CE is used for carrying a first parameter, and the first parameter is a maximum output power backoff (P-MPR) or an energy margin of power management;
a processing unit 301, configured to control uplink transmission of the terminal device according to a first parameter in the first MAC CE;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
In one possible implementation, the logical channel priority of the first MAC CE is higher than the logical channel priority of a third MAC CE, which is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
In one possible implementation, the logical channel priority of the first MAC CE is lower than the logical channel priority of the third MAC CE, and the logical channel priority of the first MAC CE is higher than the logical channel priority of the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
As shown in fig. 4, an apparatus 400 provided in an embodiment of the present application, where the apparatus shown in fig. 4 may be an implementation of a hardware circuit of the apparatus shown in fig. 4. The communication device may be adapted to perform the functions of the terminal device or the network device in the above-described method embodiment in the flowchart shown in fig. 2. For ease of illustration, fig. 4 shows only the main components of the communication device.
The apparatus 400 shown in fig. 4 includes at least one processor 420 for implementing any of the methods of fig. 2 provided by embodiments of the present application.
The apparatus 400 may also include at least one memory 430 for storing program instructions and/or data. Memory 430 is coupled to processor 420. The coupling in the embodiments of the present application is an indirect coupling or communication connection between devices, units, or modules, which may be in electrical, mechanical, or other forms for information interaction between the devices, units, or modules. Processor 420 may operate in conjunction with memory 430. Processor 420 may execute program instructions stored in memory 430. At least one of the at least one memory may be included in the processor.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in a hardware processor for execution, or in a combination of hardware and software modules in the processor for execution. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method. To avoid repetition, a detailed description is not provided herein.
It should be noted that the processor in the embodiments of the present application may be an integrated circuit chip with signal processing capability. In implementation, the steps of the above method embodiments may be implemented by integrated logic circuits of hardware in a processor or instructions in software form. The processor may be a general purpose processor, a digital signal processing circuit (digital signal processor, DSP), an application specific integrated chip (application specific integrated circuit, ASIC), a field programmable gate array (field programmable gate array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components. The disclosed methods, steps, and logic blocks in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be embodied directly in hardware, in a decoded processor, or in a combination of hardware and software modules in a decoded processor. The software modules may be located in a random access memory, flash memory, read only memory, programmable read only memory, or electrically erasable programmable memory, registers, etc. as well known in the art. The storage medium is located in a memory, and the processor reads the information in the memory and, in combination with its hardware, performs the steps of the above method.
It will be appreciated that the memory in embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The nonvolatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. The volatile memory may be random access memory (random access memory, RAM) which acts as an external cache. By way of example, and not limitation, many forms of RAM are available, such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous DRAM (SLDRAM), and direct memory bus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
The apparatus 400 may also include a communication interface 410 for communicating with other devices over a transmission medium, such that an apparatus for use in the apparatus 400 may communicate with other devices. In embodiments of the present application, the communication interface may be a transceiver, a circuit, a bus, a module, or other type of communication interface. In the embodiment of the application, when the communication interface is a transceiver, the transceiver may include a stand-alone receiver and a stand-alone transmitter; a transceiver or interface circuit integrating the transceiver function is also possible.
The apparatus 400 may also include a communication line 440. Wherein the communication interface 410, the processor 420 and the memory 430 may be interconnected by a communication line 440; the communication line 440 may be a peripheral component interconnect standard (peripheral component interconnect, PCI) bus or an extended industry standard architecture (extended industry standard architecture, EISA) bus, among others. The communication lines 440 may be divided into address buses, data buses, control buses, etc. For ease of illustration, only one thick line is shown in fig. 4, but not only one bus or one type of bus.
Illustratively, when the apparatus 400 implements the functionality of the terminal device in the flow shown in fig. 2:
A processor 420 configured to determine a first parameter, the first parameter being a power management maximum output power back-off, P-MPR, or an energy margin;
a communication interface 410, configured to send the first MAC CE according to a logical channel priority of a first medium access control MAC control element CE used to carry the first parameter;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
In one possible implementation, the logical channel priority of the first MAC CE is higher than the logical channel priority of a third MAC CE, which is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
In one possible implementation, the logical channel priority of the first MAC CE is lower than the logical channel priority of the third MAC CE, and the logical channel priority of the first MAC CE is higher than the logical channel priority of the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
In one possible implementation, the communication interface 410 is specifically configured to:
and assembling the first MAC CE into a MAC protocol data unit according to the logic channel priority of the first MAC CE, and transmitting the MAC PDU.
Illustratively, when the apparatus 400 implements the functionality of the network device in the flow shown in fig. 2:
a communication interface 410 for receiving a first medium access control, MAC, control element, CE, from a terminal device; the first MAC CE carries a first parameter, wherein the first parameter is a maximum output power backoff (P-MPR) or an energy margin of power management;
a processor 420, configured to control uplink transmission of the terminal device according to a first parameter in the first MAC CE;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for BSR other than the padding buffer status report BSR.
In one possible implementation, the logical channel priority of the first MAC CE is higher than the logical channel priority of a third MAC CE, which is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
In one possible implementation, the logical channel priority of the first MAC CE is lower than the logical channel priority of the third MAC CE, and the logical channel priority of the first MAC CE is higher than the logical channel priority of the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
According to the method provided by the embodiment of the application, the application further provides a computer program product, which comprises: computer program code which, when run on a computer, causes the computer to perform the method of any of the embodiments shown in fig. 2.
According to the method provided in the embodiments of the present application, there is further provided a computer readable medium storing a program code, which when run on a computer, causes the computer to perform the method of any one of the embodiments shown in fig. 2.
According to the method provided by the embodiment of the application, the application also provides a system which comprises the terminal equipment and the network equipment.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (31)
1. A data transmission method, comprising:
the terminal equipment determines a first parameter, wherein the first parameter is used for reporting the maximum output power back-off (P-MPR) or the energy allowance of power management; the terminal equipment determines whether to send the first Media Access Control (MAC) CE according to the logic channel priority of the CE carrying the first parameter;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, the second MAC CE being a MAC CE for a BSR other than the padding buffer status report BSR, the MAC CE of the BSR being used to indicate the buffered uplink data amount.
2. The method of claim 1, wherein the first MAC CE has a higher logical channel priority than a third MAC CE, the third MAC CE being a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
3. The method of claim 1, wherein the first MAC CE has a lower logical channel priority than a third MAC CE and the first MAC CE has a higher logical channel priority than a fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
4. A method according to any one of claims 1 to 3, wherein the terminal device transmitting the first MAC CE according to a logical channel priority of a first medium access control, MAC, control element, CE, for carrying the first parameter, comprises: and the terminal equipment carries the first parameter in the first MAC CE, assembles the first MAC CE into an MAC protocol data unit according to the logic channel priority of the first MAC CE, and sends the MAC PDU.
5. The method of claim 1, wherein the cell to which the terminal device is connected operates in the FR2 band.
6. The method of claim 1, wherein the P-MPR is greater than a first threshold.
7. The method of claim 1, wherein the first MAC CE is included in a MAC sub-PDU, the MAC sub-PDU being included in the MAC PDU.
8. The method of claim 1, wherein the first MAC CE has a lower logical channel priority than a fourth MAC CE, the fourth MAC CE being a MAC CE configured with an authorization acknowledgement, wherein the second MAC CE has a lower logical channel priority than the fourth MAC CE.
9. The method of claim 8, wherein the first MAC CE has a lower logical channel priority than a fifth MAC CE or first data, the fifth MAC CE being a MAC CE for a cell radio network temporary identifier, the first data being data from an uplink common control channel, wherein the fourth MAC CE has a lower logical channel priority than the fifth MAC CE or first data.
10. The method of claim 1, wherein the first MAC CE has a higher logical channel priority than second data, the second data being data from other logical channels except for data of an uplink common control channel.
11. The method of claim 10, wherein the first MAC CE has a higher logical channel priority than a seventh MAC CE, the seventh MAC CE being a MAC CE for the recommended bit rate query, wherein the second data has a higher logical channel priority than the seventh MAC CE.
12. The method of claim 11, wherein the first MAC CE has a higher logical channel priority than an eighth MAC CE, the eighth MAC CE being a MAC CE for the padding BSR, wherein the seventh MAC CE has a higher logical channel priority than the eighth MAC CE.
13. A data transmission method, comprising: the network device receives the data from the terminal device
A first medium access control, MAC, control element, CE; the said
The first MAC CE is used for carrying a first parameter, wherein the first parameter is used for reporting a maximum output power back-off (P-MPR) or an energy allowance of power management by the terminal equipment;
The network equipment controls uplink transmission of the terminal equipment according to a first parameter in the first MAC CE;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, the second MAC CE being a MAC CE for a BSR other than the padding buffer status report BSR, the MAC CE of the BSR being used to indicate the buffered uplink data amount.
14. The method of claim 13, wherein the P-MPR is greater than a first threshold.
15. The method of claim 13, wherein the first MAC CE has a higher logical channel priority than a third MAC CE, the third MAC CE being a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
16. The method of claim 13, wherein the first MAC CE has a lower logical channel priority than the third MAC CE and the first MAC CE has a higher logical channel priority than the fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
17. A communication device, comprising: a processing unit for determining a first parameter for reporting a maximum output power of power management
Rate fallback P-MPR or energy margin; a communication unit for controlling MAC control according to a first medium access control for carrying the first parameter
Determining whether to transmit the first MAC CE according to the logic channel priority of the element CE; wherein the first
The logical channel priority of one MAC CE is lower than the logical channel priority of a second MAC CE, which is a MAC CE for a BSR other than the padding buffer status report BSR, which indicates the amount of buffered uplink data.
18. The apparatus of claim 17, wherein the cell to which the communication apparatus is connected operates in the FR2 band.
19. The apparatus of claim 17, wherein the P-MPR is greater than a first threshold.
20. The apparatus of claim 17, wherein the first MAC CE is included in a MAC sub-PDU, the MAC sub-PDU being included in the MAC PDU.
21. The apparatus of claim 17, wherein the first MAC CE has a higher logical channel priority than a third MAC CE, the third MAC CE being a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
22. The apparatus of claim 17, wherein the first MAC CE has a lower logical channel priority than a third MAC CE and the first MAC CE has a higher logical channel priority than a fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
23. The apparatus according to any one of claims 17 to 22, wherein the communication unit is specifically configured to:
and carrying the first parameter in the first MAC CE, assembling the first MAC CE into an MAC protocol data unit according to the logic channel priority of the first MAC CE, and transmitting the MAC PDU.
24. A data transmission apparatus, comprising: a communication unit for receiving a first medium access control MAC control element CE from a terminal device;
the first MAC CE is used for carrying a first parameter, and the first parameter is used for reporting a maximum output power back-off (P-MPR) or an energy allowance of power management by the terminal equipment;
A processing unit, configured to control uplink transmission of the terminal device according to a first parameter in the first MAC CE;
wherein the logical channel priority of the first MAC CE is lower than the logical channel priority of a second MAC CE, the second MAC CE being a MAC CE for a BSR other than the padding buffer status report BSR, the MAC CE of the BSR being used to indicate the buffered uplink data amount.
25. The apparatus of claim 24, wherein the P-MPR is greater than a first threshold.
26. The apparatus of claim 24, wherein the first MAC CE has a higher logical channel priority than a third MAC CE, the third MAC CE being a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR.
27. The apparatus of claim 24, wherein the first MAC CE has a lower logical channel priority than a third MAC CE and the first MAC CE has a higher logical channel priority than a fourth MAC CE;
the third MAC CE is a MAC CE for a power headroom report PHR or an extended PHR or a single-entity PHR or a multi-entity PHR, and the fourth MAC CE is a MAC CE for data from any logical channel except data of an uplink common control channel UL-CCCH.
28. A communication device comprising a processor, a transceiver, and a memory;
the processor being configured to execute a computer program or instructions stored in the memory, which when executed, cause the communication device to implement the method of any one of claims 1 to 12 or 13 to 16.
29. A communication device comprising a processor and a memory: the processor is used for
Executing a computer program or instructions stored in said memory when said computing
The method of any one of claims 1 to 12 or 13 to 16 when executed.
30. A readable storage medium comprising a computer program or instructions which, when executed, performs the method of any of claims 1 to 12 or 13 to 16.
31. A chip comprising a processor coupled to a memory for executing a computer program or instructions stored in the memory, which when executed, performs the method of any of claims 1 to 12 or 13 to 16.
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