CN113556807A - Uplink transmission method and device and communication equipment - Google Patents

Uplink transmission method and device and communication equipment Download PDF

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Publication number
CN113556807A
CN113556807A CN202010335427.2A CN202010335427A CN113556807A CN 113556807 A CN113556807 A CN 113556807A CN 202010335427 A CN202010335427 A CN 202010335427A CN 113556807 A CN113556807 A CN 113556807A
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transmission
layer
power
group
rank
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袁江伟
孙晓东
塔玛拉卡·拉盖施
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/24TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

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  • Computer Networks & Wireless Communication (AREA)
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  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention discloses an uplink transmission method and device and communication equipment, and belongs to the technical field of communication. The uplink transmission method is applied to a terminal and comprises the following steps: receiving a power control parameter indicated by a network side device, wherein the power control parameter is configured based on at least one of the following: a layer of transport; rank of transmission rank; a port of transport; a layer group of transmission layers; rank group of transmission; a port group for transmission; and performing uplink transmission according to the power control parameter. The technical scheme of the invention can ensure the uplink transmission performance of the terminal.

Description

Uplink transmission method and device and communication equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to an uplink transmission method and apparatus, and a communication device.
Background
In the related art, when the network side device performs power control on the uplink transmission of the terminal, the radio frequency architecture of the terminal is not combined, so that the uplink transmission performance of the terminal needs to be improved.
Disclosure of Invention
The embodiment of the invention provides an uplink transmission method and device and communication equipment, which can ensure the uplink transmission performance of a terminal.
In a first aspect, an embodiment of the present invention provides an uplink transmission method, applied to a terminal, including:
receiving a power control parameter indicated by a network side device, wherein the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
a port group for transmission;
and performing uplink transmission according to the power control parameter.
In a second aspect, an embodiment of the present invention provides an uplink transmission method, which is applied to a network side device, and includes:
configuring a power control parameter of uplink transmission for a terminal, wherein the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
and transmitting port group.
In a third aspect, an embodiment of the present invention further provides an uplink transmission apparatus, which is applied to a terminal, and includes:
a receiving module, configured to receive a power control parameter indicated by a network side device, where the power control parameter is configured based on at least one of: a layer of transport; rank of transmission rank; a port of transport; a layer group of transmission layers; rank group of transmission; a port group for transmission;
and the transmission module is used for carrying out uplink transmission according to the power control parameter.
In a fourth aspect, an embodiment of the present invention further provides an uplink transmission apparatus, which is applied to a network side device, and includes:
a sending module, configured to send a power control parameter of uplink transmission to a terminal, where the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
and transmitting port group.
In a fifth aspect, an embodiment of the present invention further provides a communication device, where the communication device includes a processor, a memory, and a computer program stored in the memory and running on the processor, and when the processor executes the computer program, the steps of the uplink transmission method described above are implemented.
In a sixth aspect, an embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when being executed by a processor, the computer program implements the steps of the uplink transmission method described above.
In the above scheme, the network side device may configure the power control parameter for the terminal based on at least one of the layer, rank, port, layer group, rank group, and port group that are transmitted, so as to improve uplink transmission quality of the terminal and reduce interference to other users of the system to the maximum.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 shows a block diagram of a mobile communication system to which an embodiment of the present invention is applicable;
fig. 2 is a flowchart illustrating an uplink transmission method of a terminal according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating an uplink transmission method of a network device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a radio frequency architecture of a 4-port terminal according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a radio frequency architecture of a second 4-port terminal according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a radio frequency architecture of a three-4-port terminal according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a radio frequency architecture of a four 4-port terminal according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a radio frequency architecture of a five 2-port terminal according to an embodiment of the present invention;
fig. 9 is a schematic block diagram of a terminal according to an embodiment of the present invention;
fig. 10 is a schematic block diagram of a network device according to the present invention;
FIG. 11 shows a block diagram of a terminal of an embodiment of the invention;
fig. 12 is a block diagram of a network device according to an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
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 data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. In the description and in the claims "and/or" means at least one of the connected objects.
The techniques described herein are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, and may also be used for various 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), and other systems. The terms "system" and "network" are often used interchangeably. CDMA systems may implement Radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA), and so on. UTRA includes Wideband CDMA (Wideband Code Division Multiple Access, WCDMA) and other CDMA variants. TDMA systems may implement radio technologies such as Global System for Mobile communications (GSM). The OFDMA system may implement radio technologies such as Ultra Mobile Broadband (UMB), evolved-UTRA (E-UTRA), IEEE 802.11(Wi-Fi), IEEE 802.16(WiMAX), IEEE 802.20, Flash-OFDM, etc. UTRA and E-UTRA are parts of the Universal Mobile Telecommunications System (UMTS). LTE and higher LTE (e.g., LTE-A) are new UMTS releases that use E-UTRA. UTRA, E-UTRA, UMTS, LTE-A, and GSM are described in documents from an organization named "third Generation Partnership Project" (3 GPP). CDMA2000 and UMB are described in documents from an organization named "third generation partnership project 2" (3GPP 2). The techniques described herein may be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. However, the following description describes the NR system for purposes of example, and NR terminology is used in much of the description below, although the techniques may also be applied to applications other than NR system applications.
The following description provides examples and does not limit the scope, applicability, or configuration set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the spirit and scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than 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.
Referring to fig. 1, fig. 1 is a block diagram of a wireless communication system to which an embodiment of the present invention is applicable. The wireless communication system includes a terminal 11 and a network-side device 12. The terminal 11 may also be referred to as a terminal Device or a User Equipment (UE), where the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer), a Personal Digital Assistant (PDA), a Mobile Internet Device (MID), a Wearable Device (Wearable Device), or a vehicle-mounted Device, and the specific type of the terminal 11 is not limited in the embodiment of the present invention. The network-side device 12 may be a Base Station or a core network, wherein the Base Station may be a 5G or later-version Base Station (e.g., a gNB, a 5G NR NB, etc.), or a Base Station in other communication systems (e.g., an eNB, a WLAN access point, or other access points, etc.), or a location server (e.g., an E-SMLC or an lmf (location Manager function)), wherein the Base Station may be referred to as a node B, an evolved node B, 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 home node B, a home evolved node B, a WLAN access point, a WiFi node, or some other suitable terminology 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 invention, 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 base stations may communicate with the terminals 11 under the control of a base station controller, which may be part of the core network or some of the base stations in various examples. Some base stations may communicate control information or user data with the core network through a backhaul. In some examples, some of the base stations may communicate with each other, directly or indirectly, over backhaul links, which may be wired or wireless communication links. A wireless communication system may support operation on multiple carriers (waveform signals of different frequencies). A multi-carrier transmitter can transmit modulated signals on the multiple carriers simultaneously. For example, each communication link may be a multi-carrier signal modulated according to various radio technologies. Each modulated signal may be transmitted on a different carrier and may carry control information (e.g., reference signals, control channels, etc.), overhead information, data, and so on.
The base station may communicate wirelessly with the terminal 11 via one or more access point antennas. Each base station may provide communication coverage for a respective coverage area. The coverage area of an access point may be divided into sectors that form only a portion of the coverage area. A wireless communication system may include different types of base stations (e.g., macro, micro, or pico base stations). The base stations may also utilize different radio technologies, such as cellular or WLAN radio access technologies. The base stations may be associated with the same or different access networks or operator deployments. The coverage areas of different base stations (including coverage areas of base stations of the same or different types, coverage areas utilizing the same or different radio technologies, or coverage areas belonging to the same or different access networks) may overlap.
The communication link in the wireless communication system may include an Uplink for carrying Uplink (UL) transmission (e.g., from the terminal 11 to the network side device 12), or a Downlink for carrying Downlink (DL) transmission (e.g., from the network side device 12 to the terminal 11), and a sidelink (SL, or vice link, side link, etc.) for carrying transmission between the terminal 11 and other terminals 11. The UL transmission may also be referred to as reverse link transmission, while the DL transmission may also be referred to as forward link transmission. Downlink transmissions may be made using licensed frequency bands, unlicensed frequency bands, or both. Similarly, uplink transmissions may be made using licensed frequency bands, unlicensed frequency bands, or both.
For a Physical Uplink Shared Channel (PUSCH) transmission, a terminal (UE) calculates a transmission power PPUSCH,b,f,c(i,j,qdLinear value of l)
Figure BDA0002466381870000061
For a PUSCH transmission scheduled by Downlink Control Information (DCI) or configured by Information Element (IE) ConfiguredGrantConfig or iesemipersistent onpusch, when fieldxconfig in IE PUSCH-Config is set to 'codebook',
1) if a Radio Resource Control (RRC) parameter ULFPTx is in an IE PUSCH-Config and a codebook Subset in the IE PUSCH-Config is set as a non-coherent or a partial anti-nConcoherent, a user scales through a parameter s
Figure BDA0002466381870000062
A scaling is performed, wherein,
<1-1> if ULFPTxModes in IE PUSCH-Config is set to Mode1, each of the SRS-ResourceSets is set to Sounding Reference Signal (SRS) resource of codebook with multiple SRS ports, power scaling factor s is equal to the ratio of the number of antenna ports of non-zero PUSCH transmission power to the maximum number of SRS ports supported by the UE in one SRS resource.
<1-2> if ulfptxmodels in the IE PUSCH-Config is set to Mode2,
<1-2-1> when full power (full power) TPMIs are reported by the UE, the corresponding wideband Precoding Matrix indicates that the power scaling factor s of a (Transmitted Precoding Matrix Indicator, TPMI) is equal to 1, the power scaling factors s of other TPMIs are equal to the ratio of the number of antenna ports of non-zero PUSCH transmission power and SRS ports, if multiple SRS resources are configured in the SRS resource set and the usage of the SRS resources is set to "codebook", the number of SRS ports is associated with one SRS resource, and the SRS resource is indicated by SRS resource configuration identifier (SRI). Or, if one SRS resource is configured in the SRS resource set, and the SRS resource usage is set to "codebook", the number of SRS ports is associated with the SRS resource.
<1-2-2> when full power TPMIs are not reported by the UE, the power scaling factor s is equal to the ratio of the number of antenna ports of non-zero PUSCH transmission power to the number of SRS ports, the number of SRS ports is associated with one SRS resource, if a plurality of SRS resources are configured in the SRS resource set and the usage of the SRS resources is set to 'codebook', the SRS resource is indicated by SRI, and the indicated SRS resource has a plurality of SRS ports.
<1-3> if the power scaling mode is not configured in the IE PUSCH-Config, the power scaling factor s is equal to 1.
2) In other cases, if each SRS resource set as 'codebook' in the SRS resource set has a plurality of SRS ports, the UE scales by the ratio of the maximum number of SRS ports supported by the UE in one SRS resource to the number of antenna ports with non-zero PUSCH transmission power.
The UE evenly distributes power over the antenna ports for non-zero power transmission of the PUSCH.
The UE uplink power control basic framework comprises an open-loop power control part and a closed-loop power control part, and the calculation formula is as follows:
Figure BDA0002466381870000081
the open loop power control part is composed of PO_PUSCHb,,f,c(j)、αb,f,c(j)、PLb,f,c(qd) Composition of wherein PO_PUSCHb,,f,c(j) The target value of the power of the open-loop receiving end is represented, and the larger the target value is, the higher the uplink transmission power is generally; alpha is alphab,f,c(j) The value range of the partial path loss compensation factor is between 0 and 1; PLb,f,c(qd) For the path loss estimation, the estimation is carried out through a downlink reference signal.
Closed loop power control part consisting ofb,f,c(i, l) a configuration that represents a power control adjustment status value, whose transmission power can be quickly adjusted for a certain transmission of a certain UE,
Figure BDA0002466381870000082
other quantities of regulation being predominantly ΔTF,b,f,c(i) And
Figure BDA0002466381870000083
it is closely related to resource allocation and link adaptation.
Figure BDA0002466381870000084
Regarding the bandwidth allocated for uplink transmission, the value is equal to the number of Physical Resource Blocks (PRBs) at a subcarrier spacing of 15 kHz. DeltaTF,b,f,c(i) For the adjustment amount related to the Modulation and Coding Scheme (MCS),
Figure BDA0002466381870000085
transmission power PCMAX,f,c(i) Which is the UE maximum transmit Power, associated with the Power Class (Power Class).
The power scaling mode and the power control process are not well combined with the radio frequency architecture of the terminal, and the uplink transmission performance of the terminal cannot be guaranteed.
An embodiment of the present invention provides an uplink transmission method, applied to a terminal, as shown in fig. 2, including:
step 101: receiving a power control parameter indicated by a network side device, wherein the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
a port group for transmission;
step 102: and performing uplink transmission according to the power control parameter.
In this embodiment, the network side device may configure the power control parameter for the terminal based on at least one of the layer, rank, port, layer group, rank group, and port group that are transmitted, which may improve the uplink transmission quality of the terminal and reduce interference to other users of the system to the maximum.
In some embodiments, the power control parameter comprises any one of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
In this way, the network side device can configure the power scaling mode or ulfptxmodels more flexibly based on layer or layer group, so that the radio frequency architecture of the terminal can be utilized to the maximum extent. The terminal obtains a corresponding power scaling factor s through a corresponding power scaling mode or ULFPTxModes, thereby realizing uplink full power transmission. Since the network side device can configure power scaling mode and ulfptxmodels more flexibly, the terminal can increase the rated power of part of the PA appropriately, and can support a larger power class when realizing transmission of a specific layer or rank or port or layer group or rank group or port group, that is, transmission with a larger transmission power.
In some embodiments, the power control parameter comprises at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Path loss estimation PL based on transmitted layer configurationb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
The terminal can obtain a more accurate power control value through the power control parameter, the power consumption of the terminal is reduced, and the service life of the terminal is prolonged.
In some embodiments, the power control parameter is carried in at least one of the following signaling:
a Radio Resource Control (RRC) message;
a Media Access Control (MAC) Control Element (CE);
downlink Control Information (DCI).
In some embodiments, before receiving the power control parameter of the network-side device, the method further includes:
reporting a Power Class Power Class to network side equipment, wherein the Power Class is related to at least one of the following items: layer; rank; a port; layer group; rank group; a port group.
In this embodiment, the terminal is supported to report the power class based on at least one of the transmitted layer, rank, port, layer group, rank group and port group, so that the network side device may configure different power scaling modes based on at least one of the layer, rank, port, layer group, rank group and port group and the corresponding power class, so as to better support the terminal full power transmission and maximize the utilization of the terminal radio frequency architecture. The network side equipment can also configure the maximum transmitting power P of the terminal based on at least one item of layer, rank, port, layer group, rank group and port group and the corresponding power classCMAX,f,c(i) Open loop receiving end power target value PO_PUSCHb,,f,c(j) Partial path loss compensation factor alphab,f,c(j) Path loss estimation PLb,f,c(qd) Power control regulation state value fb,f,c(i, l) and an adjustment quantity delta related to the modulation and coding strategy MCS for uplink transmissionTF,b,f,c(i) At least one power control parameter in the uplink power control system, the uplink sending power is calculated more accurately, and the uplink transmission performance is improved.
An embodiment of the present invention further provides an uplink transmission method, which is applied to a network side device, and as shown in fig. 3, the uplink transmission method includes:
step 201: sending a power control parameter of uplink transmission to a terminal, wherein the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
and transmitting port group.
In this embodiment, the network side device may configure the power control parameter for the terminal based on at least one of the layer, rank, port, layer group, rank group, and port group that are transmitted, which may improve the uplink transmission quality of the terminal and reduce interference to other users of the system to the maximum.
In some embodiments, the power control parameter comprises any one of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
In this way, the network side device can configure the power scaling mode or ulfptxmodels more flexibly based on layer or layer group, so that the radio frequency architecture of the terminal can be utilized to the maximum extent. The terminal obtains a corresponding power scaling factor s through a corresponding power scaling mode or ULFPTxModes, thereby realizing uplink full power transmission. Since the network side device can configure power scaling mode and ulfptxmodels more flexibly, the terminal can increase the rated power of part of the PA appropriately, and can support a larger power class when realizing transmission of a specific layer or rank or port or layer group or rank group or port group, that is, transmission with a larger transmission power.
In some embodiments, the power control parameters further comprise at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Path loss estimation PL based on transmitted layer configurationb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
The terminal can obtain a more accurate power control value through the power control parameter, the power consumption of the terminal is reduced, and the service life of the terminal is prolonged.
In some embodiments, the power control parameter is carried in at least one of the following signaling:
an RRC message;
MAC CE;
DCI。
in some embodiments, before sending the power control parameter for uplink transmission to the terminal, the method further includes:
receiving a Power Class reported by the terminal, wherein the Power Class is related to at least one of the following items: layer; rank; a port; layer group; rank group; a port group.
In this embodiment, the terminal is supported to report the power class based on at least one of the transmitted layer, rank, port, layer group, rank group and port group, so that the network side device may configure different power scaling modes based on at least one of the layer, rank, port, layer group, rank group and port group and the corresponding power class, so as to better support the terminal full power transmission and maximize the utilization of the terminal radio frequency architecture. The network side equipment can also configure the maximum transmitting power P of the terminal based on at least one item of layer, rank, port, layer group, rank group and port group and the corresponding power classCMAX,f,c(i) Open loop receiving end power target value PO_PUSCHb,,f,c(j) Partial path loss compensation factor alphab,f,c(j) Path loss estimation PLb,f,c(qd) Power control regulation state value fb,f,c(i, l) and an adjustment quantity delta related to the modulation and coding strategy MCS for uplink transmissionTF,b,f,c(i) At least one ofThe power control parameters can more accurately calculate the uplink sending power and improve the uplink transmission performance.
The uplink transmission method of the present invention is further described with reference to the following specific embodiments:
example one
In this embodiment, as shown in fig. 4, a schematic diagram of a radio frequency architecture of a 4-port terminal is provided, where the terminal may report different Power classes (Power classes, PCs) based on different transmission layer numbers to maximize uplink transmission performance, where PA is a Power amplifier, and 23dBm and 20dBm at the PA port are maximum powers of the PA. It is assumed that,
(1) for 1layer, the terminal reports Power Class 3: 23 dBm;
(2) for 2layers, the terminal reports Power Class 2: 26 dBm;
(3) for 3layers, the terminal reports Power Class 3: 23 dBm;
(4) for 4layers, the terminal reports Power Class 2: 26 dBm;
when the RRC parameter ULFPTx is configured as full Power transmission, the network side device may indicate different Power control parameters and Power scaling modes corresponding to different transmission layer numbers under different Power Class conditions, which may be as follows:
(1) for 1layer, when the terminal reports Power Class3, the network side device may not configure Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(2) for 2layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2;
(3) for 3layers, when the terminal reports Power Class3, the network side device may not configure a Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(4) for 4layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2;
example two
In this embodiment, as shown in fig. 5, a schematic diagram of a radio frequency architecture of a 4-port terminal is provided, and the terminal may report different Power classes based on different transmission layer numbers to maximize uplink transmission performance, assuming that,
(1) for 1layer, the terminal reports Power Class 3: 23 dBm;
(2) for 2layers, the terminal reports Power Class 3: 23 dBm;
(3) for 3layers, the terminal reports Power Class 3: 23 dBm;
(4) for 4layers, the terminal reports Power Class 2: 26 dBm;
when the RRC parameter ULFPTx is configured as full Power transmission, the network side device may indicate different Power control parameters and Power scaling modes corresponding to different transmission layer numbers under different Power Class conditions, which may be as follows:
(1) for 1layer, when the terminal reports Power Class3, the network side device may not configure Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(2) for 2layers, when the terminal reports Power Class3, the network side device may not configure a Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(3) for 3layers, when the terminal reports Power Class3, the network side device may not configure a Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(4) for 4layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2.
EXAMPLE III
In this embodiment, as shown in fig. 6, a schematic diagram of a radio frequency architecture of a 4-port terminal is provided, and the terminal may report different Power classes based on different transmission layer numbers to maximize uplink transmission performance, assuming that,
(1) for 1layer, the terminal reports Power Class 3: 23 dBm;
(2) for 2layers, the terminal reports Power Class 2: 26 dBm;
(3) for 3layers, the terminal reports Power Class 2: 26 dBm;
(4) for 4layers, the terminal reports Power Class 2: 26 dBm;
when the RRC parameter ULFPTx is configured as full Power transmission, the network side device may indicate different Power control parameters and Power scaling modes corresponding to different transmission layer numbers under different Power Class conditions, which may be as follows:
(1) for 1layer, when the terminal reports Power Class3, the network side device may not configure Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(2) for 2layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2;
(3) for 3layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2;
(4) for 4layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2.
Example four
In this embodiment, as shown in fig. 7, a schematic diagram of a radio frequency architecture of a 4-port terminal is provided, and the terminal may report different Power classes based on different transmission layer numbers to maximize uplink transmission performance, assuming that,
(1) for 1layer, the terminal reports Power Class 3: 23 dBm;
(2) for 2layers, the terminal reports Power Class 2: 26 dBm;
(3) for 3layers, the terminal reports Power Class 2: 26 dBm;
(4) for 4layers, the terminal reports Power Class 2: 26 dBm;
when the RRC parameter ULFPTx is configured as full Power transmission, the network side device may indicate different Power control parameters and Power scaling modes corresponding to different transmission layer numbers under different Power Class conditions, which may be as follows:
(1) for 1layer, when the terminal reports Power Class3, the network side device may not configure Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(2) for 2layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2;
(3) for 3layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2;
(4) for 4layers, when the terminal reports Power Class2, the network side device may configure ulfptxmodels ═ mode2 or ulfptxmodels ═ mode1, and PCMAX,f,c(i) Determined based on PC 2.
EXAMPLE five
In this embodiment, as shown in fig. 8, a schematic diagram of a radio frequency architecture of a 2-port terminal is provided, and the terminal may report different Power classes based on different transmission layer numbers to maximize uplink transmission performance, assuming that,
(1) for 1layer, the terminal reports Power Class 3: 23 dBm;
(2) for 2layers, the terminal reports Power Class 2: 26 dBm;
when the RRC parameter ULFPTx is configured as full Power transmission, the network side device may indicate different Power control parameters and Power scaling modes corresponding to different transmission layer numbers under different Power Class conditions, which may be as follows:
(1) for 1layer, when the terminal reports Power Class3, the network side device may not configure Power scaling mode, P, in the PUSCH-ConfigCMAX,f,c(i) Determined based on PC 3;
(2) for 2layers, when the terminal reports Power Class2, the network side device may be configured to perform the methodConfigure ulfptxmodels 2 or ulfptxmodels 1, PCMAX,f,c(i) Determined based on PC 2.
As shown in fig. 9, a terminal 300 according to an embodiment of the present invention includes an uplink transmission device, which can implement the uplink transmission method in the foregoing embodiment and achieve the same effect, and the terminal 300 specifically includes the following functional modules:
a receiving module 310, configured to receive a power control parameter indicated by a network side device, where the power control parameter is configured based on at least one of the following: a layer of transport; rank of transmission rank; a port of transport; a layer group of transmission layers; rank group of transmission; a port group for transmission;
a transmission module 320, configured to perform uplink transmission according to the power control parameter.
In this embodiment, the network side device may configure the power control parameter for the terminal based on at least one of the layer, rank, port, layer group, rank group, and port group that are transmitted, which may improve the uplink transmission quality of the terminal and reduce interference to other users of the system to the maximum.
In some embodiments, the power control parameter comprises any one of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
In this way, the network side device can configure the power scaling mode or ulfptxmodels more flexibly based on layer or layer group, so that the radio frequency architecture of the terminal can be utilized to the maximum extent. The terminal obtains a corresponding power scaling factor s through a corresponding power scaling mode or ULFPTxModes, thereby realizing uplink full power transmission. Since the network side device can configure power scaling mode and ulfptxmodels more flexibly, the terminal can increase the rated power of part of the PA appropriately, and can support a larger power class when realizing transmission of a specific layer or rank or port or layer group or rank group or port group, that is, transmission with a larger transmission power.
In some embodiments, the power control parameters further comprise at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Path loss estimation PL based on transmitted layer configurationb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
The terminal can obtain a more accurate power control value through the power control parameter, the power consumption of the terminal is reduced, and the service life of the terminal is prolonged.
In some embodiments, the power control parameter is carried in at least one of the following signaling:
an RRC message;
MAC CE;
DCI。
in some embodiments, the apparatus further comprises:
the reporting module is used for reporting a Power Class Power Class to network side equipment, wherein the Power Class is related to at least one of the following items: layer; rank; a port; layer group; rank group; a port group.
In this embodiment, the terminal is supported to report the power class based on at least one of the transmitted layer, rank, port, layer group, rank group and port group, so that the network side device may configure different power scaling modes based on at least one of the layer, rank, port, layer group, rank group and port group and the corresponding power class, so as to better support the terminal full power transmission and maximize the utilization of the terminal radio frequency architecture. The network side equipment can also configure the maximum transmitting power P of the terminal based on at least one item of layer, rank, port, layer group, rank group and port group and the corresponding power classCMAX,f,c(i) Open loop receiving end power target value PO_PUSCHb,,f,c(j) Partial path loss compensation factor alphab,f,c(j) Path loss estimation PLb,f,c(qd) Power control regulation state value fb,f,c(i, l) and an adjustment quantity delta related to the modulation and coding strategy MCS for uplink transmissionTF,b,f,c(i) At least one power control parameter in the uplink power control system, the uplink sending power is calculated more accurately, and the uplink transmission performance is improved.
Fig. 11 is a schematic diagram of a hardware structure of a terminal for implementing various embodiments of the present invention, where the terminal 40 includes, but is not limited to: radio frequency unit 41, network module 42, audio output unit 43, input unit 44, sensor 45, display unit 46, user input unit 47, interface unit 48, memory 49, processor 410, and power supply 411. Those skilled in the art will appreciate that the terminal structure shown in fig. 11 does not constitute a limitation of the terminal, and that the terminal may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
The processor 410 receives, through the radio frequency unit 41, a power control parameter indicated by a network side device, where the power control parameter is configured based on at least one of the following: a layer of transport; rank of transmission rank; a port of transport; a layer group of transmission layers; rank group of transmission; a port group for transmission; and performing uplink transmission according to the power control parameter.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 41 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 410; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 41 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. In addition, the radio frequency unit 41 can also communicate with a network and other devices through a wireless communication system.
The terminal provides wireless broadband internet access to the user via the network module 42, such as assisting the user in sending and receiving e-mails, browsing web pages, and accessing streaming media.
The audio output unit 43 may convert audio data received by the radio frequency unit 41 or the network module 42 or stored in the memory 49 into an audio signal and output as sound. Also, the audio output unit 43 may also provide audio output related to a specific function performed by the terminal 40 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 43 includes a speaker, a buzzer, a receiver, and the like.
The input unit 44 is for receiving an audio or video signal. The input Unit 44 may include a Graphics Processing Unit (GPU) 441 and a microphone 442, and the Graphics processor 441 processes image data of still pictures or videos obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 46. The image frames processed by the graphic processor 441 may be stored in the memory 49 (or other storage medium) or transmitted via the radio frequency unit 41 or the network module 42. The microphone 442 may receive sound and may be capable of processing such sound into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 41 in case of the phone call mode.
The terminal 40 also includes at least one sensor 45, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 461 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 461 and/or a backlight when the terminal 40 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the terminal posture (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration identification related functions (such as pedometer, tapping), and the like; the sensors 45 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 46 is used to display information input by the user or information provided to the user. The Display unit 46 may include a Display panel 461, and the Display panel 461 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 47 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the terminal. Specifically, the user input unit 47 includes a touch panel 471 and other input devices 472. The touch panel 471, also referred to as a touch screen, may collect touch operations by a user (e.g., operations by a user on or near the touch panel 471 using a finger, a stylus, or any other suitable object or accessory). The touch panel 471 can include two parts, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 410, receives a command from the processor 410, and executes the command. In addition, the touch panel 471 can be implemented by various types, such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 47 may include other input devices 472 in addition to the touch panel 471. Specifically, the other input devices 472 may include, but are not limited to, a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a track ball, a mouse, and a joystick, which are not described herein again.
Further, the touch panel 471 can be overlaid on the display panel 461, and when the touch panel 471 detects a touch operation on or near the touch panel 471, the touch panel transmits the touch operation to the processor 410 to determine the type of the touch event, and then the processor 410 provides a corresponding visual output on the display panel 461 according to the type of the touch event. Although the touch panel 471 and the display panel 461 are shown as two separate components in fig. 11, in some embodiments, the touch panel 471 and the display panel 461 may be integrated to implement the input and output functions of the terminal, and are not limited herein.
The interface unit 48 is an interface for connecting an external device to the terminal 40. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 48 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the terminal 40 or may be used to transmit data between the terminal 40 and external devices.
The memory 49 may be used to store software programs as well as various data. The memory 49 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 49 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 410 is a control center of the terminal, connects various parts of the entire terminal using various interfaces and lines, performs various functions of the terminal and processes data by operating or executing software programs and/or modules stored in the memory 49 and calling data stored in the memory 49, thereby performing overall monitoring of the terminal. Processor 410 may include one or more processing units; preferably, the processor 410 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 410.
The terminal 40 may further include a power supply 411 (e.g., a battery) for supplying power to various components, and preferably, the power supply 411 may be logically connected to the processor 410 through a power management system, so as to implement functions of managing charging, discharging, and power consumption through the power management system.
In addition, the terminal 40 includes some functional modules that are not shown, and are not described in detail herein.
The embodiment of the present invention further provides a communication device, which includes a processor 410, a memory 49, and a computer program stored in the memory 49 and capable of running on the processor 410, where the computer program, when executed by the processor 410, implements each process of the above-mentioned terminal-side uplink transmission method embodiment, and can achieve the same technical effect, and is not described herein again to avoid repetition.
The communication device may be a terminal, and the terminal may be a device providing voice and/or other service data connectivity to a user, a handheld device having a wireless connection function, or another processing device connected to a wireless modem. Wireless terminals, which may be mobile terminals such as mobile telephones (or "cellular" telephones) and computers having mobile terminals, such as portable, pocket, hand-held, computer-included, or vehicle-mounted mobile devices, may communicate with one or more core networks via a Radio Access Network (RAN), which may exchange language and/or data with the RAN. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiation Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistants (PDAs), and the like. A wireless Terminal may also be referred to as a system, a Subscriber Unit (Subscriber Unit), a Subscriber Station (Subscriber Station), a Mobile Station (Mobile), a Remote Station (Remote Station), a Remote Terminal (Remote Terminal), an access Terminal (access Terminal), a User Terminal (User Terminal), a User Agent (User Agent), and a User Equipment (User Equipment), which are not limited herein.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the above-mentioned uplink transmission method embodiment at the terminal side, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
As shown in fig. 10, a network side device 301 according to an embodiment of the present invention includes an uplink transmission apparatus, and can implement the uplink transmission method applied to the network side device in the foregoing embodiments, and achieve the same effect, where the network side device 301 specifically includes the following functional modules:
a sending module 330, configured to send a power control parameter for uplink transmission to a terminal, where the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
and transmitting port group.
In this embodiment, the network side device may configure the power control parameter for the terminal based on at least one of the layer, rank, port, layer group, rank group, and port group that are transmitted, which may improve the uplink transmission quality of the terminal and reduce interference to other users of the system to the maximum.
In some embodiments, the power control parameter comprises any one of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
In this way, the network side device can configure the powerscaling mode or ulfptxmodels more flexibly based on layer or layer group, so that the radio frequency architecture of the terminal can be maximally utilized. The terminal obtains a corresponding power scaling factor s through a corresponding power scaling mode or ULFPTxModes, thereby realizing uplink full power transmission. Since the network side device can configure power scaling mode and ulfptxmodels more flexibly, the terminal can increase the rated power of part of the PA appropriately, and can support a larger power class when realizing transmission of a specific layer or rank or port or layer group or rank group or port group, that is, transmission with a larger transmission power.
In some embodiments, the power control parameters further comprise at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Based on transmissionlayer configured path loss estimation PLb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
The terminal can obtain a more accurate power control value through the power control parameter, the power consumption of the terminal is reduced, and the service life of the terminal is prolonged.
In some embodiments, the power control parameter is carried in at least one of the following signaling:
an RRC message;
MAC CE;
DCI。
in some embodiments, the apparatus further comprises:
a receiving module, configured to receive a Power Class reported by the terminal, where the Power Class is related to at least one of the following: layer; rank; a port; layer group; rank group; a port group.
In this embodiment, the terminal is supported to report the power class based on at least one of the transmitted layer, rank, port, layer group, rank group, and port group, so that the network side device may configure different power scaling modes based on at least one of the layer, rank, port, layer group, rank group, and port group and the corresponding power class, and may better support the terminal full power transmission, and most preferably, the power scaling mode may be configured based on the power classThe terminal radio frequency architecture is utilized in a large scale. The network side equipment can also configure the maximum transmitting power P of the terminal based on at least one item of layer, rank, port, layer group, rank group and port group and the corresponding power classCMAX,f,c(i) Open loop receiving end power target value PO_PUSCHb,,f,c(j) Partial path loss compensation factor alphab,f,c(j) Path loss estimation PLb,f,c(qd) Power control regulation state value fb,f,c(i, l) and an adjustment quantity delta related to the modulation and coding strategy MCS for uplink transmissionTF,b,f,c(i) At least one power control parameter in the uplink power control system, the uplink sending power is calculated more accurately, and the uplink transmission performance is improved.
In order to better achieve the above object, an embodiment of the present invention further provides a network side device, where the network side device includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, and when the processor executes the computer program, the steps in the uplink transmission method of the network side device are implemented, and the same technical effects can be achieved, and are not described herein again to avoid repetition.
Specifically, the embodiment of the invention also provides a network side device. As shown in fig. 12, the network-side device 500 includes: antenna 51, radio frequency device 52, baseband device 53. The antenna 51 is connected to a radio frequency device 52. In the uplink direction, the rf device 52 receives information via the antenna 51 and sends the received information to the baseband device 53 for processing. In the downlink direction, the baseband device 53 processes information to be transmitted and transmits the information to the radio frequency device 52, and the radio frequency device 52 processes the received information and transmits the processed information through the antenna 51.
The above-mentioned band processing means may be located in the baseband means 53, and the method performed by the network side device in the above embodiment may be implemented in the baseband means 53, where the baseband means 53 includes a processor 54 and a memory 55.
The baseband device 53 may include, for example, at least one baseband board, on which a plurality of chips are disposed, as shown in fig. 12, where one of the chips, for example, the processor 54, is connected to the memory 55 to call up the program in the memory 55 to perform the network-side device operation shown in the above method embodiment.
The baseband device 53 may also include a network interface 56, such as a Common Public Radio Interface (CPRI), for exchanging information with the radio frequency device 52.
The processor may be a single processor or a combination of multiple processing elements, for example, the processor may be a CPU, an ASIC, or one or more integrated circuits configured to implement the method performed by the above network-side device, for example: one or more microprocessors DSP, or one or more field programmable gate arrays FPGA, or the like. The storage element may be a memory or a combination of a plurality of storage elements.
The memory 55 may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a Read-only memory (ROM), a programmable Read-only memory (PROM), an erasable programmable Read-only memory (erasabprom, EPROM), an electrically erasable programmable Read-only memory (EEPROM), or a flash memory. The volatile memory may be a Random Access Memory (RAM) which functions as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (staticiram, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (syncronous DRAM, SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), enhanced synchronous dynamic random access memory (EnhancedSDRAM, ESDRAM), synchronous link dynamic random access memory (synchlink DRAM, SLDRAM), and direct memory bus random access memory (DRRAM). The memory 55 described herein is intended to comprise, without being limited to, these and any other suitable types of memory.
Specifically, the network side device of the embodiment of the present invention further includes: a computer program stored on the memory 55 and executable on the processor 54, the processor 54 calling the computer program in the memory 55 to perform the method performed by the modules shown in fig. 10.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the uplink transmission method applied to a network-side device as described above are implemented, and the same technical effects can be achieved, and are not described herein again to avoid repetition.
The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention or a part thereof, which essentially contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network side device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
Furthermore, it is to be noted that in the device and method of the invention, it is obvious that the individual components or steps can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of performing the series of processes described above may naturally be performed chronologically in the order described, but need not necessarily be performed chronologically, and some steps may be performed in parallel or independently of each other. It will be understood by those skilled in the art that all or any of the steps or elements of the method and apparatus of the present invention may be implemented in any computing device (including processors, storage media, etc.) or network of computing devices, in hardware, firmware, software, or any combination thereof, which can be implemented by those skilled in the art using their basic programming skills after reading the description of the present invention.
Thus, the objects of the invention may also be achieved by running a program or a set of programs on any computing device. The computing device may be a general purpose device as is well known. The object of the invention is thus also achieved solely by providing a program product comprising program code for implementing the method or the apparatus. That is, such a program product also constitutes the present invention, and a storage medium storing such a program product also constitutes the present invention. It is to be understood that the storage medium may be any known storage medium or any storage medium developed in the future. It is further noted that in the apparatus and method of the present invention, it is apparent that each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be regarded as equivalents of the present invention. Also, the steps of executing the series of processes described above may naturally be executed chronologically in the order described, but need not necessarily be executed chronologically. Some steps may be performed in parallel or independently of each other.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.

Claims (22)

1. An uplink transmission method applied to a terminal is characterized by comprising the following steps:
receiving a power control parameter indicated by a network side device, wherein the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
a port group for transmission;
and performing uplink transmission according to the power control parameter.
2. The uplink transmission method according to claim 1, wherein the power control parameter comprises any one of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
3. Uplink transmission method according to claim 1 or 2, wherein the power control parameters comprise at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Path loss estimation PL based on transmitted layer configurationb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
4. The uplink transmission method according to claim 1, wherein the power control parameter is carried in at least one of the following signaling:
a radio resource control, RRC, message;
media access control, MAC, control element, CE;
and downlink control information DCI.
5. The uplink transmission method according to claim 1, wherein before the receiving the power control parameter indicated by the network-side device, the method further comprises:
reporting a Power Class Power Class to network side equipment, wherein the Power Class is related to at least one of the following items: layer; rank; a port; layer group; rank group; a port group.
6. An uplink transmission method is applied to a network side device, and is characterized by comprising the following steps:
sending a power control parameter of uplink transmission to a terminal, wherein the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
and transmitting port group.
7. The uplink transmission method according to claim 6, wherein the power control parameter comprises any one of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
8. Uplink transmission method according to claim 6 or 7, wherein the power control parameters comprise at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Path loss estimation PL based on transmitted layer configurationb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
9. The uplink transmission method according to claim 6, wherein the power control parameter is carried in at least one of the following signaling:
a radio resource control, RRC, message;
media access control, MAC, control element, CE;
and downlink control information DCI.
10. The uplink transmission method according to claim 6, wherein before sending the power control parameter for uplink transmission to the terminal, the method further comprises:
receiving a Power Class reported by the terminal, wherein the Power Class is related to at least one of the following items: layer; rank; a port; layer group; rank group; a port group.
11. An uplink transmission apparatus applied to a terminal, comprising:
a receiving module, configured to receive a power control parameter indicated by a network side device, where the power control parameter is configured based on at least one of: a layer of transport; rank of transmission rank; a port of transport; a layer group of transmission layers; rank group of transmission; a port group for transmission;
and the transmission module is used for carrying out uplink transmission according to the power control parameter.
12. Uplink transmission unit according to claim 11, wherein the power control parameters include any of the following:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
13. Uplink transmission unit according to claim 11 or 12, wherein the power control parameters comprise at least one of:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Transport-based layer configured path loss estimation PLb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
14. The uplink transmission apparatus according to claim 11, wherein the power control parameter is carried in at least one of the following signaling:
a radio resource control, RRC, message;
media access control, MAC, control element, CE;
and downlink control information DCI.
15. The uplink transmission apparatus according to claim 11, further comprising:
the reporting module is used for reporting a Power Class Power Class to network side equipment, wherein the Power Class is related to at least one of the following items: layer; rank; a port; layer group; rank group; a port group.
16. An uplink transmission apparatus, applied to a network side device, includes:
a sending module, configured to send a power control parameter of uplink transmission to a terminal, where the power control parameter is configured based on at least one of the following:
a layer of transport;
rank of transmission rank;
a port of transport;
a layer group of transmission layers;
rank group of transmission;
and transmitting port group.
17. Uplink transmission apparatus according to claim 16, wherein the power control parameter comprises any of:
a power scaling mode or an uplink full power transmission mode ULFPTxModes configured based on the transmitted layer;
power scaling mode configured based on layer group of transmission or ul fptxmodes of uplink full power transmission.
18. Uplink transmission unit according to claim 16 or 17, wherein the power control parameters comprise at least one of the following:
terminal maximum transmitting power P based on layer configuration of transmissionCMAX,f,c(i);
Open loop receiving end power target value P based on transmitted layer configurationO_PUSCHb,,f,c(j);
Partial path loss compensation factor alpha based on layer configuration of transmissionb,f,c(j);
Path loss estimation PL based on transmitted layer configurationb,f,c(qd);
Power control adjustment status value f based on transmitted layer configurationb,f,c(i,l);
Adjustment quantity delta related to modulation and coding strategy MCS of uplink transmission based on layer configuration of transmissionTF,b,f,c(i);
P configured based on layer group of transmissionCMAX,f,c(i);
P configured based on layer group of transmissionO_PUSCHb,,f,c(j);
Alpha of layer group configuration based on transmissionb,f,c(j);
PL configured based on layer group of transmissionb,f,c(qd);
F of layer group configuration based on transmissionb,f,c(i,l);
Δ configured based on layer group of transmissionTF,b,f,c(i)。
19. The uplink transmission apparatus according to claim 16, wherein the power control parameter is carried in at least one of the following signaling:
a radio resource control, RRC, message;
media access control, MAC, control element, CE;
and downlink control information DCI.
20. The uplink transmission apparatus according to claim 16, wherein the apparatus further comprises:
a receiving module, configured to receive a Power Class reported by the terminal, where the Power Class is related to at least one of the following: layer; rank; a port; layer group; rank group; a port group.
21. A communication device comprising a processor, a memory, and a computer program stored on the memory and running on the processor, the processor implementing the steps of the upstream transmission method according to any one of claims 1 to 10 when executing the computer program.
22. A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the upstream transmission method according to any one of claims 1 to 10.
CN202010335427.2A 2020-04-24 2020-04-24 Uplink transmission method and device and communication equipment Pending CN113556807A (en)

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Publication number Priority date Publication date Assignee Title
KR20110137233A (en) * 2010-06-16 2011-12-22 삼성전자주식회사 Apparatus and method for controlling uplink power in mobile communication system
CN110049539A (en) * 2018-01-16 2019-07-23 维沃移动通信有限公司 Uplink power control method for parameter configuration, terminal and the network equipment
CN110769491A (en) * 2018-07-27 2020-02-07 维沃移动通信有限公司 Uplink power control method and device
CN110972246A (en) * 2018-09-28 2020-04-07 维沃移动通信有限公司 Power control method, transmission power control parameter determination method and related equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110137233A (en) * 2010-06-16 2011-12-22 삼성전자주식회사 Apparatus and method for controlling uplink power in mobile communication system
CN110049539A (en) * 2018-01-16 2019-07-23 维沃移动通信有限公司 Uplink power control method for parameter configuration, terminal and the network equipment
CN110769491A (en) * 2018-07-27 2020-02-07 维沃移动通信有限公司 Uplink power control method and device
CN110972246A (en) * 2018-09-28 2020-04-07 维沃移动通信有限公司 Power control method, transmission power control parameter determination method and related equipment

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