CN109788541B

CN109788541B - PHR reporting method and user equipment

Info

Publication number: CN109788541B
Application number: CN201711107257.7A
Authority: CN
Inventors: 吴昱民
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2017-11-10
Filing date: 2017-11-10
Publication date: 2021-11-30
Anticipated expiration: 2037-11-10
Also published as: CN109788541A

Abstract

The embodiment of the invention provides a method and user equipment for reporting PHR (Power Headroom report), wherein the method comprises the following steps: determining power control related parameters of one or more uplink carriers of the UE; triggering the reporting of the PHR according to the power control related parameters and the triggering condition of the PHR based on the carrier configuration, and reporting the PHR to a plurality of uplink carriers configured in the same cell respectively, so as to assist the network side to better control the transmission power on different carriers, save the uplink transmission power of the UE, and reduce the interference caused by the uplink transmission of the UE.

Description

PHR reporting method and user equipment

Technical Field

The embodiment of the invention relates to the technical field of communication, in particular to a method for reporting a Power Headroom Report (PHR) and user equipment.

Background

(1) Introduction regarding Carrier Aggregation (CA) cell activation and deactivation states:

when a User Equipment (UE) configures a CA, the CA includes a plurality of cells: 1 Primary Cell (PCell) and 1 or more Secondary cells (SCell).

In the current CA configuration, 1 downlink carrier has 1 corresponding uplink carrier.

(2) Introduction to Dual Connectivity (DC):

when the UE is configured with DC, the UE may configure multiple cell groups: master Cell Group (MCG) and Secondary Cell Group (SCG).

Wherein, the MCG comprises 1 PCell and 0 or more SCells, and the SCG comprises 1 PSCell and 0 or more SCells. In the Carrier Aggregation (CA) scenario, a similar configuration exists, which is not limited to the dual connectivity scenario here.

(3) Introduction to supplemental Uplink carrier (SUL carrier):

in a Fifth generation mobile communication (5G) system, 2 uplink carriers may be configured for 1 downlink carrier, where 1 is a supplementary uplink carrier, and the supplementary uplink carrier may be configured to a PCell or an SCell.

The network side adopts different uplink power control conditions for multiple uplink carriers of the same cell, and how the UE reports the power headroom reports of different carriers in the same cell needs to be considered.

Disclosure of Invention

An object of the embodiments of the present invention is to provide a method for reporting PHR and a user equipment, so as to solve a problem that a UE reports power headroom reports of different carriers in the same cell.

In a first aspect, a method for reporting a PHR is provided, which is applied to a UE, and includes:

determining power control related parameters of one or more uplink carriers of the UE;

and triggering the report of the PHR according to the power control related parameters and the triggering condition of the PHR based on the carrier configuration.

In a second aspect, there is also provided a UE, including:

a determining module, configured to determine power control related parameters of one or more uplink carriers of the UE;

and the triggering module is used for triggering the report of the PHR according to the power control related parameters and the triggering condition of the PHR based on the carrier configuration.

In a third aspect, there is also provided a user equipment, including: a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the method for PHR reporting according to the first aspect.

In a fourth aspect, a computer-readable storage medium is further provided, 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 method for PHR reporting are implemented as described in the first aspect.

Therefore, the UE triggers the reporting of the PHR according to the power control related parameters and the triggering condition of the PHR based on the carrier configuration, and can report the PHR to a plurality of uplink carriers configured in the same cell respectively, so that the auxiliary network side can better control the transmission power on different carriers, the uplink transmission power of the UE is saved, and meanwhile, the interference caused by the uplink transmission of the UE can be reduced.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic diagram of a reporting format of a Media Access Control (MAC) Control unit (Control Element, CE) of a PHR;

FIG. 2 is a block diagram of a wireless communication system according to an embodiment of the present invention;

fig. 3 is a flowchart of a PHR reporting method according to an embodiment of the present invention;

FIG. 4 is a diagram illustrating a PHP format according to an embodiment of the present invention;

FIG. 5 is a second PHP format according to an embodiment of the present invention;

FIG. 6 is a third diagram illustrating a PHP format according to an embodiment of the present invention;

FIG. 7 is a fourth diagram illustrating the format of a PHP according to an embodiment of the present invention;

fig. 8 is a second flowchart of a PHR reporting method according to an embodiment of the present invention;

fig. 9 is a third flowchart of a PHR reporting method according to an embodiment of the present invention;

FIG. 10 is a diagram illustrating a UE according to an embodiment of the present invention;

fig. 11 is a second schematic structural diagram of a UE according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprises," "comprising," or any other variation thereof, in the description and claims of this application, 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. Furthermore, the use of "and/or" in the specification and claims means that at least one of the connected objects, such as a and/or B, means that three cases, a alone, B alone, and both a and B, exist.

In the embodiments of the present invention, words such as "exemplary" or "for example" are used to mean serving as examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

Power Headroom Report (PHR) is introduced below:

and the UE triggers the PHR to report according to the triggering condition specified by the protocol. The content reported in the PHR includes:

the maximum power that can be transmitted on each cell, i.e. PCMAX, c;

power Headroom (PH) after the UE transmits an Uplink Control Channel (e.g., Physical Uplink Control Channel (PUCCH)) in each cell;

power headroom after the UE sends an Uplink data Channel (e.g., a Physical Uplink Shared Channel (PUSCH)) in each cell; and

power headroom after the UE sends an uplink Sounding channel (e.g., Sounding reference signal (Sounding RS, SRS)) on each cell;

if the UE has real physical channel transmission, reporting the power margin after the real physical channel transmission. If the UE does not have real physical channel transmission, reporting the power margin after reference (or virtual) transmission of the physical channel.

Referring to fig. 1, a reporting format of a MAC CE of a PHR is shown, where meanings of relevant domains are as follows:

ci: if 1 SCell configures scelllindex through Radio Resource Control (RRC) message, the field indicates whether the PH field of the SCell configured with scelllindex i is reported. The Ci field is set to '1' to indicate that the PH field of the SCell configured with the SCell index i is reported. The Ci field is set to '0' to indicate that the PH field of the SCell configured with the SCell index i is not reported;

r: reserved bit set to "0";

v: the field indicates whether the reported PH value is based on the real transport or reference format. For Type 1PH, V ═ 0 indicates real transmission on a Physical Uplink Shared Channel (PUSCH), and V ═ 1 indicates a reference format employing PUSCH. For Type 2PH, V ═ 0 indicates real transmission on a Physical Uplink Control Channel (PUCCH), and V ═ 1 indicates a reference format in which the PUCCH is employed. For Type 3PH, V-0 indicates a real transmission on SRS, and V-1 indicates a reference format in which SRS is employed. In addition, for Type 1, Type 2and Type 3PH, V ═ 0 indicates that the reporting format includes P corresponding to a certain cell_CMAX,cField, where V ═ 1 indicates that the reporting format does not include P corresponding to a certain cell_CMAX,cA domain;

power Headroom (PH): the field indicates a level of the power headroom;

p: this field indicates whether the current MAC entity employs a power backoff mechanism. When there is no power back-off, if a certain cell corresponds to P_CMAX,cThe fields have different values, and the MAC entity sets P to 1;

P_CMAX,c: if the field exists, indicating P for calculating a corresponding PH field value_CMAX,cI.e. the maximum power that the UE can transmit in that cell.

Wherein the types of PH include:

Type 1PH：P_Htype1,c(i)＝P_CMAX,c–P_PUSCH,c(i)；

Type 2PH：P_Htype2,c(i)＝P_CMAX,c–P_PUSCH,c(i)–P_PUCCH,c(i)；

Type 3PH：PH_type3,c(i)＝P_CMAX,c–P_SRS,c(i)；

"i" is a certain subframe "i", where:

P_PUSCH,c(i): and obtaining the transmission power of an uplink data channel (such as PUSCH) for the UE according to the calculation. When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.

P_PUCCH,c(i): and obtaining the transmission power of the uplink control channel (such as PUCCH) for the UE according to the calculation. When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.

P_SRS,c(i): and obtaining the transmission power of the uplink sounding reference channel (such as SRS) for the UE according to the calculation. When the UE has an actual signal transmission, the value is determined according to the actually transmitted channel power. This value is determined from the reference (or virtual) channel power when the UE has no actual signal transmission.

Embodiments of the present invention are described below with reference to the accompanying drawings. The method and the device for controlling the carrier state provided by the embodiment of the invention can be applied to a wireless communication system. The wireless communication system may be a system adopting a 5th Generation (5G) mobile communication technology (hereinafter, referred to as a 5G system), and referring to fig. 2, it is a schematic diagram of an architecture of a wireless communication system according to an embodiment of the present invention. As shown in fig. 2, the wireless communication system may include a network-side device 20 and a user equipment, for example, the user equipment is denoted as UE 21, and the UE 21 may communicate with the network-side device 20. In practical applications, the connections between the above devices may be wireless connections, and fig. 2 is illustrated with solid lines for convenience and intuition of the connection relationships between the devices.

It should be noted that the communication system may include a plurality of UEs, and the network side device may communicate (transmit signaling or transmit data) with the plurality of UEs.

The network side device provided in the embodiment of the present invention may be a base station, and the network side device may be a commonly used base station, an evolved node base station (eNB), or a network side device in a 5G system (for example, a next generation base station (gNB) or a Transmission and Reception Point (TRP)).

The user equipment provided by the embodiment of the invention can be a Mobile phone, a tablet Computer, a notebook Computer, an Ultra-Mobile Personal Computer (UMPC), a netbook or a Personal Digital Assistant (PDA), and the like.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 3, a flow of a PHR reporting method is shown, where an execution main body of the method may be a UE, and the specific steps are as follows:

step 301, determining power control related parameters of one or more uplink carriers of the UE;

in the embodiment of the present invention, the power control related parameter may optionally include one or more of the following: identification information of one or more uplink carriers; identification information of downlink path loss reference carriers corresponding to one or more uplink carriers; reporting a timer by a period PHR corresponding to one or more uplink carriers; and downlink path loss variation corresponding to one or more uplink carriers.

The identification information of the uplink carrier or the identification information of the downlink path loss reference carrier may include one or more of the following: a primary cell (PCell) identity; a primary and secondary cell (PSCell) identity; a secondary cell (SCell) identification; serving Cell identification (Serving Cell ID); and carrier type identification, such as: SUL carriers or non-SUL carriers. Optionally, the carrier type identifier includes one or more of: a secondary carrier identity and a non-secondary carrier identity.

In this embodiment of the present invention, optionally, the triggering condition of the PHR based on the carrier configuration includes one or more of the following: changing downlink path loss reference carriers for one or more uplink carriers; adding one or more uplink carriers; deleting one or more uplink carriers; modifying a configuration of one or more uplink carriers; activating one or more uplink carriers; deactivating one or more uplink carriers; changing the transmission carrier of the uplink physical channel, for example, from uplink carrier 1 transmission to uplink carrier 2 transmission; the periodic reporting timer of one or more uplink carriers is overtime, and it should be noted that the timer can be independently started for each carrier; the downlink path loss variation corresponding to one or more uplink carriers exceeds the configured downlink path loss variation of one or more carriers; and the power back-off variation corresponding to one or more uplink carriers exceeds the configured downlink path loss variation of the one or more carriers.

Optionally, if the triggering condition of the PHR configured based on the carrier is to change a transmission carrier of an uplink physical channel, the uplink physical channel corresponding to the triggering condition of the PHR configured based on the carrier includes one or more of the following: physical Uplink Control Channel (PUCCH); physical Uplink Shared Channel (PUSCH); sounding Reference Signals (SRS); and Physical Random Access Channel (PRACH).

Step 302, triggering reporting of the PHR according to the power control related parameters and a PHR triggering condition based on carrier configuration.

In the embodiment of the present invention, optionally, the content of the PHR includes one or more of the following items: identification information of each uplink carrier; a bitmap corresponding to the identifier of each uplink carrier; maximum power that each uplink carrier can transmit (i.e., P)_CMAX,c) (ii) a And the power headroom for each uplink carrier.

The identification information of the uplink carrier comprises one or more of the following items: primary cell PCell identification; PSCell identification of a primary cell and a secondary cell; a secondary cell (SCell) identifier; a serving cell identity; and a carrier type identifier;

optionally, the type of power headroom includes one or more of: the power headroom (namely Type 1) after the user equipment sends the PUSCH; the power headroom (namely Type 2) after the user equipment sends the PUSCH and the PUCCH; the power headroom (namely Type 3) after the user equipment sends the SRS; the power headroom (e.g. Type 4) after the user equipment transmits the PUSCH and SRS; the power headroom (such as Type 5) after the user equipment transmits the PUCCH and the SRS; the user equipment sends the power margin (for example, Type 6) after the PRACH; the power headroom (e.g. Type 7) after the PRACH and PUCCH is transmitted by the user equipment; the power headroom (for example, Type 8) after the PRACH and PUSCH is transmitted by the user equipment; and a power headroom (e.g., Type 9) after the PRACH and SRS transmission by the user equipment.

In this embodiment of the present invention, optionally, the reporting order of the format of the PHR includes one of the following orders or any combination of multiple orders: reporting according to a cell type sequence, for example, according to the sequence of a PCell, a PSCell and an SCell; reporting according to a cell group type sequence, for example, reporting according to an MCG and SCG sequence; reporting according to a PH Type sequence of the power headroom, for example, according to the sequence of Type 2and Type 1; reporting according to the serial number sequence of the uplink carrier waves, for example, according to the sequence of the SCell 1 and the SCell 2; and reporting according to the uplink carrier type sequence, for example, according to the sequence of non-auxiliary carriers (non-SUL) and auxiliary carriers (SUL).

The following are examples of several PHR report formats:

mode 1: referring to fig. 4, a bitmap (bitmap) indicates whether a certain uplink carrier has a power headroom to report, and after the bitmap, reporting is performed according to a cell type sequence specified by a protocol (for example, according to a sequence of a PCell, a PSCell, and an SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of the SCell 1 and the SCell 2).

Reporting is performed according to a PH Type sequence specified by a protocol (for example, according to a sequence of Type 2and Type 1) when the power headroom reported by each carrier includes multiple types.

When one PCell or PSCell includes multiple uplink carriers, the multiple uplink carriers respectively correspond to different uplink cells in the PHR, where 1 uplink carrier corresponds to the PCell or PSCell, and other uplink carriers correspond to different uplink scells.

When one SCell includes multiple uplink carriers, the multiple uplink carriers respectively correspond to different uplink scells in the PHR.

Examples of mode 1 are as follows: when the PCell includes 2 uplink carriers, 1 uplink carrier in the PCell corresponds to the PCell, and the other 1 uplink carrier in the PCell corresponds to the SCell 1. In the case that the SCell contains 2 uplink carriers, 1 uplink active wave in the SCell corresponds to SCell 2, and the other 1 uplink carrier in the SCell corresponds to SCell 3.

Mode 2: referring to fig. 5, whether a certain uplink carrier has a power headroom to report is indicated by a bitmap, after the bitmap, reporting is performed according to a PH Type sequence specified by a protocol (for example, according to a sequence of Type 2and Type 1), then reporting is performed according to a cell Type sequence specified by the protocol (for example, according to a sequence of PCell, PSCell, and SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of SCell 1 and SCell 2).

Mode 3: referring to fig. 6, whether a certain cell has a power headroom to report is indicated by a bitmap, and after the bitmap, reporting is performed according to a cell type sequence specified by a protocol (for example, according to a sequence of a PCell, a PSCell, and an SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of the SCell 1 and the SCell 2).

And reporting the power headroom reported by each carrier according to the PH Type sequence specified by the protocol (according to the sequence of Type 2and Type 1) under the condition that the power headroom reported by each carrier comprises multiple types.

For the case that a cell includes multiple uplink carriers, reporting is performed according to the uplink carrier type sequence specified by the protocol (e.g., the sequence of non-auxiliary carriers (non-SUL) and auxiliary carriers (SUL)).

Mode 4: referring to fig. 7, whether a certain cell has a power headroom to report is indicated by a bitmap, after the bitmap, reporting is performed according to a PH Type sequence specified by a protocol (for example, according to a sequence of Type 2and Type 1), then reporting is performed according to a cell Type sequence specified by the protocol (for example, according to a sequence of a PCell, a PSCell, and an SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of the SCell 1 and the SCell 2).

Referring to fig. 8, a flow of a method for reporting PHR is shown, where an execution main body of the method may be UE, and the specific steps are as follows:

step 801, receiving power control related parameters of one or more uplink carriers of the UE configured by the network side for the UE.

Step 802, triggering reporting of the PHR according to the power control related parameters and a PHR triggering condition based on carrier configuration.

The following are examples of several PHR report formats:

Referring to fig. 9, a flow of a PHR reporting method is shown, which includes the following specific steps:

step 901, the network side device configures power control related parameters for 1 or more uplink carriers of the UE.

Optionally, the power control related parameter comprises any combination of one or more of: identification information of a certain uplink carrier; identification information of a downlink path loss reference carrier corresponding to a certain uplink carrier; reporting a timer by a period PHR corresponding to a certain uplink carrier; a downlink path loss variation corresponding to a certain uplink carrier.

Wherein, the identification information of the uplink carrier or the identification information of the downlink path loss reference carrier includes any combination of one or more of the following items: identifying the PCell; PSCell identification; SCell identification (SCell ID); serving Cell identification (Serving Cell ID); a carrier type identifier, such as a SUL carrier identifier or a non-SUL carrier identifier.

Wherein the carrier type identifier comprises any combination of one or more of the following items: a secondary carrier identity and a non-secondary carrier identity. The multiple uplink carriers may be configured with the same downlink path loss reference carrier.

Step 902, the UE triggers reporting of the PHR according to the triggering condition of the PHR;

optionally, the triggering condition of the PHR comprises any combination of one or more of the following: a downlink path loss reference carrier is changed for a certain uplink carrier; adding a certain uplink carrier; deleting a certain uplink carrier; modifying the configuration of a certain uplink carrier; activating a certain uplink carrier; deactivating a certain uplink carrier; changing the transmission carrier of the uplink physical channel (for example, changing from transmission on uplink carrier 1 to transmission on uplink carrier 2); a timer for reporting the period of a certain uplink carrier is overtime (the timer is independently started for each carrier); the downlink path loss variation corresponding to a certain uplink carrier exceeds the downlink path loss variation of the carrier configured in step 901; the power back-off variation corresponding to a certain uplink carrier exceeds the downlink loss variation of the carrier configured in step 901.

Wherein, the uplink physical channel for changing the PHR trigger event of the transmission carrier of the uplink physical channel includes any combination of one or more of the following items: PUCCH (Physical Uplink Control Channel); PUSCH (Physical Uplink Shared Channel); SRS (Sounding Reference Signal); PRACH (Physical Random Access Channel).

Step 903, after triggering the reporting of the PHR, the UE reports the PHR.

Optionally, the content of the PHR comprises any combination of one or more of: identification information of each uplink carrier; a bitmap corresponding to the identifier of each uplink carrier; maximum power that each uplink carrier can transmit (i.e., PCMAX, c); power headroom (i.e., PH) of each uplink carrier.

Wherein the type of power headroom comprises any combination of one or more of the following: the power headroom (namely Type 1) after the user equipment sends the PUSCH; the power headroom (namely Type 2) after the user equipment sends the PUSCH and the PUCCH; the power headroom (namely Type 3) after the user equipment sends the SRS; the power headroom (e.g. Type 4) after the user equipment transmits the PUSCH and SRS; a power headroom (e.g., Type 5) after the user equipment transmits the PUCCH and the SRS; the user equipment sends the power margin (such as Type 6) after the PRACH; the power headroom (e.g. Type 7) after the PRACH and PUCCH is transmitted by the user equipment; the power headroom (for example, Type 8) after the PRACH and PUSCH is transmitted by the user equipment; the user equipment transmits the power headroom (e.g. Type 9) after the PRACH and SRS.

The reporting sequence of the format of the PHR report includes any combination sequence of one or more of the following rules: reporting according to a cell type sequence specified by a protocol (for example, the sequence of a PCell, a PSCell and an SCell); reporting according to a PH Type sequence specified by a protocol (for example, the sequence of Type 2and Type 1); reporting according to the serial number sequence of the uplink carrier (such as the sequence of the SCell 1 and the SCell 2); reporting is performed according to an uplink carrier type sequence specified by a protocol (e.g., a non-sub-carrier (non-SUL) sub-carrier (SUL) sequence).

The following are examples of several PHR report formats:

mode 1: referring to fig. 4, a bitmap (bitmap) indicates whether a certain uplink carrier has a power headroom to report, and after the bitmap, reporting is performed according to a cell type sequence specified by a protocol (for example, according to a sequence of a PCell, a PSCell, and an SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of the SCell 1 and the SCell 2). Reporting is performed according to a PH Type sequence specified by a protocol (for example, according to a sequence of Type 2and Type 1) when the power headroom reported by each carrier includes multiple types.

Mode 3: referring to fig. 6, whether a certain cell has a power headroom to report is indicated by a bitmap, and after the bitmap, reporting is performed according to a cell type sequence specified by a protocol (for example, according to a sequence of a PCell, a PSCell, and an SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of the SCell 1 and the SCell 2). And reporting the power headroom reported by each carrier according to the PH Type sequence specified by the protocol (according to the sequence of Type 2and Type 1) under the condition that the power headroom reported by each carrier comprises multiple types.

Mode 4: referring to fig. 7, whether a certain cell has a power headroom to report is indicated by a bitmap, after the bitmap, reporting is performed according to a PH Type sequence specified by a protocol (for example, according to a sequence of Type 2and Type 1), then reporting is performed according to a cell Type sequence specified by the protocol (for example, according to a sequence of a PCell, a PSCell, and an SCell), and then reporting is performed according to an uplink carrier number sequence (for example, according to a sequence of the SCell 1 and the SCell 2). For the case that a cell includes multiple uplink carriers, reporting is performed according to the uplink carrier type sequence specified by the protocol (e.g., the sequence of non-auxiliary carriers (non-SUL) and auxiliary carriers (SUL)).

The embodiment of the present invention further provides a ue, and as the principle of the ue for solving the problem is similar to the method for reporting the PHR in the embodiment of the present invention, the implementation of the ue may refer to the implementation of the method, and the repeated parts are not described again.

Referring to fig. 10, there is shown a structure of a UE, the UE1000 comprising:

a determining module 1001 configured to determine power control related parameters of one or more uplink carriers of the UE;

a triggering module 1002, configured to trigger reporting of the PHR according to the power control related parameter and a triggering condition of the PHR based on carrier configuration.

In this embodiment of the present invention, optionally, with continuing reference to fig. 10, the UE1000 further includes:

a receiving module 1003, configured to receive, by a network side, power control related parameters of one or more uplink carriers of the UE configured for the UE.

In this embodiment of the present invention, optionally, the power control related parameter includes one or more of the following: identification information of one or more uplink carriers; identification information of downlink path loss reference carriers corresponding to one or more uplink carriers; reporting a timer by a period PHR corresponding to one or more uplink carriers; and downlink path loss variation corresponding to one or more uplink carriers.

In this embodiment of the present invention, optionally, the identification information of the uplink carrier includes one or more of the following items: primary cell PCell identification; PSCell identification of a primary cell and a secondary cell; a secondary cell (SCell) identifier; a serving cell identity; and a carrier type identifier; or the identification information of the downlink path loss reference carrier comprises one or more of the following items: primary cell PCell identification; PSCell identification of a primary cell and a secondary cell; a secondary cell (SCell) identifier; a serving cell identity; and a carrier type identification.

In this embodiment of the present invention, optionally, the carrier type identifier includes one or more of the following items: a secondary carrier identity and a non-secondary carrier identity.

In this embodiment of the present invention, optionally, the triggering condition of the PHR based on the carrier configuration includes one or more of the following: changing downlink path loss reference carriers for one or more uplink carriers; adding one or more uplink carriers; deleting one or more uplink carriers; modifying a configuration of one or more uplink carriers; activating one or more uplink carriers; deactivating one or more uplink carriers; changing a transmission carrier of an uplink physical channel; one or more uplink carriers are reported to the timer overtime periodically; the downlink path loss variation corresponding to one or more uplink carriers exceeds the configured downlink path loss variation of the one or more carriers; and the power back-off variation corresponding to one or more uplink carriers exceeds the configured downlink path loss variation of the one or more carriers.

In this embodiment of the present invention, optionally, if the triggering condition of the PHR based on carrier configuration is to change a transmission carrier of an uplink physical channel, the uplink physical channel corresponding to the triggering condition of the PHR based on carrier configuration includes one or more of the following: physical Uplink Control Channel (PUCCH); physical Uplink Shared Channel (PUSCH); sounding Reference Signals (SRS); and Physical Random Access Channel (PRACH).

In the embodiment of the present invention, optionally, the content of the PHR includes one or more of the following items: identification information of each uplink carrier; a bitmap corresponding to the identifier of each uplink carrier; maximum power that each uplink carrier can transmit; and the power headroom for each uplink carrier.

In this embodiment of the present invention, optionally, the type of the power headroom includes one or more of the following: the power margin after the user equipment sends the PUSCH is obtained; the user equipment transmits the power margin after PUSCH and PUCCH; the power margin after the user equipment sends the SRS; the power margin after the user equipment sends the PUSCH and SRS; the power margin after the user equipment sends the PUCCH and the SRS; the user equipment transmits the power margin after PRACH; the user equipment transmits the power margin after PRACH and PUCCH; the user equipment transmits the power margin after PRACH and PUSCH; and the power margin after the PRACH and SRS are transmitted by the user equipment.

In this embodiment of the present invention, optionally, the reporting order of the format of the PHR includes one of the following orders or any combination of multiple orders: reporting according to the cell type sequence; reporting according to a cell group type sequence, for example, reporting according to an MCG and SCG sequence; reporting according to the power headroom PH type sequence; reporting according to the serial number sequence of the uplink carriers; and reporting according to the uplink carrier type sequence.

The user equipment provided by the embodiment of the present invention may execute the method embodiments described above, and the implementation principle and technical effect are similar, which are not described herein again.

As shown in fig. 11, the user equipment 1100 shown in fig. 11 includes: at least one processor 1101, memory 1102, at least one network interface 1104, and a user interface 1103. The various components in user device 1100 are coupled together by a bus system 1105. It is understood that the bus system 1105 is used to enable communications among the components. The bus system 1105 includes a power bus, a control bus, and a status signal bus in addition to a data bus. For clarity of illustration, however, the various buses are labeled in fig. 11 as the bus system 1105.

The user interface 1103 may include, among other things, a display, a keyboard, or a pointing device (e.g., a mouse, trackball, touch pad, or touch screen, among others.

It is to be understood that the memory 1102 in embodiments of the present invention can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. The non-volatile Memory may be a Read-Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an Electrically Erasable PROM (EEPROM), or a flash Memory. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration, and not limitation, many forms of RAM are available, such as Static random access memory (Static RAM, SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic random access memory (Synchronous DRAM, SDRAM), Double Data rate Synchronous Dynamic random access memory (ddr DRAM), Enhanced Synchronous SDRAM (ESDRAM), Synchronous link SDRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 1102 of the subject systems and methods is intended to comprise, without being limited to, these and any other suitable types of memory.

In some embodiments, memory 1102 stores the following elements, executable modules or data structures, or a subset thereof, or an expanded set thereof: an operating system 11021 and application programs 11022.

The operating system 11021 includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, for implementing various basic services and processing hardware-based tasks. The application 11022 contains various applications such as a Media Player (Media Player), a Browser (Browser), etc. for implementing various application services. Programs that implement methods in accordance with embodiments of the invention may be included in application 11022.

In the embodiment of the present invention, by calling the program or the instruction stored in the memory 1102, specifically: determining power control related parameters of one or more uplink carriers of the UE; and triggering the report of the PHR according to the power control related parameters and the triggering condition of the PHR based on the carrier configuration.

Optionally, the computer program when executed by the processor 1101 may further implement the steps of: and receiving power control related parameters of one or more uplink carriers of the UE, which are configured for the UE by a network side.

The steps of a method or algorithm described in connection with the disclosure herein may be embodied in hardware or in software instructions executed by a processor. The software instructions may consist of corresponding software modules that may be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, a removable hard disk, a compact disk, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an ASIC. Additionally, the ASIC may reside in a core network interface device. Of course, the processor and the storage medium may reside as discrete components in a core network interface device.

Those skilled in the art will recognize that, in one or more of the examples described above, the functions described in this invention may be implemented in hardware, software, firmware, or any combination thereof. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the scope of the present invention.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention 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, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams 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.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions 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 changes and modifications may be made in the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to encompass such modifications and variations.

Claims

1. A method for reporting a Power Headroom Report (PHR) is applied to User Equipment (UE), and is characterized by comprising the following steps:

triggering reporting of the PHR according to the power control related parameters and a triggering condition of the PHR based on carrier configuration, wherein the content of the PHR comprises: a power headroom for each uplink carrier, the type of the power headroom including one or more of: the user equipment transmits the power margin after PUSCH and PUCCH; the power margin after the user equipment sends the PUSCH and SRS; the power margin after the user equipment sends the PUCCH and the SRS; the user equipment transmits the power margin after PRACH; the user equipment transmits the power margin after PRACH and PUCCH; the user equipment transmits the power margin after PRACH and PUSCH; and the power margin after the PRACH and SRS are sent by the user equipment;

wherein the trigger condition of the PHR based on the carrier configuration comprises one or more of the following items:

changing downlink path loss reference carriers for one or more uplink carriers;

adding one or more uplink carriers;

deleting one or more uplink carriers;

modifying a configuration of one or more uplink carriers;

activating one or more uplink carriers;

deactivating one or more uplink carriers;

changing a transmission carrier of an uplink physical channel;

the downlink path loss variation corresponding to one or more uplink carriers exceeds the configured downlink path loss variation of the one or more carriers; and

the power back-off variation corresponding to one or more uplink carriers exceeds the configured downlink path loss variation of the one or more carriers;

wherein the power control related parameters comprise one or more of:

identification information of one or more uplink carriers;

identification information of downlink path loss reference carriers corresponding to one or more uplink carriers;

and the downlink path loss variation corresponding to one or more uplink carriers.

2. The method of claim 1, wherein the determining power control related parameters of one or more uplink carriers of the UE comprises:

and receiving power control related parameters of one or more uplink carriers of the UE, which are configured for the UE by a network side.

3. The method of claim 1, wherein the power control related parameter further comprises:

and reporting the timer by the periodic PHR corresponding to one or more uplink carriers.

4. The method of claim 3,

the identification information of the uplink carrier comprises one or more of the following items: primary cell PCell identification; PSCell identification of a primary cell and a secondary cell; a secondary cell (SCell) identifier; a serving cell identity; and a carrier type identifier; or

The identification information of the downlink path loss reference carrier comprises one or more of the following items: primary cell PCell identification; PSCell identification of a primary cell and a secondary cell; a secondary cell (SCell) identifier; a serving cell identity; and a carrier type identification.

5. The method of claim 4, wherein the carrier type identifier comprises one or more of: a secondary carrier identity and a non-secondary carrier identity.

6. The method of claim 1, wherein the triggering condition of the PHR based on the carrier configuration further comprises:

and the periodic reporting timer of one or more uplink carriers is overtime.

7. The method according to claim 6, wherein if the triggering condition of the PHR based on the carrier configuration is to change a transmission carrier of an uplink physical channel, the uplink physical channel corresponding to the triggering condition of the PHR based on the carrier configuration includes one or more of the following:

a Physical Uplink Control Channel (PUCCH);

a Physical Uplink Shared Channel (PUSCH);

sounding reference signals, SRS; and

physical random access channel PRACH.

8. The method of claim 1, wherein the content of the PHR further comprises one or more of:

identification information of each uplink carrier;

a bitmap corresponding to the identifier of each uplink carrier;

maximum power that each uplink carrier can transmit.

9. The method of claim 1, wherein the type of power headroom further comprises one or more of:

the power margin after the user equipment sends the PUSCH is obtained;

and the power margin after the user equipment sends the SRS.

10. The method of claim 1, wherein the reporting order of the format of the PHR comprises one or any combination of the following orders:

reporting according to the cell type sequence;

reporting according to the cell group type sequence;

reporting according to the power headroom PH type sequence;

reporting according to the serial number sequence of the uplink carriers; and

and reporting according to the uplink carrier type sequence.

11. A User Equipment (UE), comprising:

a triggering module, configured to trigger reporting of a PHR according to the power control related parameter and a triggering condition of the PHR based on carrier configuration, where the PHR includes: a power headroom for each uplink carrier, the type of the power headroom including one or more of: the user equipment transmits the power margin after PUSCH and PUCCH; the power margin after the user equipment sends the PUSCH and SRS; the power margin after the user equipment sends the PUCCH and the SRS; the user equipment transmits the power margin after PRACH; the user equipment transmits the power margin after PRACH and PUCCH; the user equipment transmits the power margin after PRACH and PUSCH; and the power margin after the PRACH and SRS are sent by the user equipment;

changing downlink path loss reference carriers for one or more uplink carriers;

adding one or more uplink carriers;

deleting one or more uplink carriers;

modifying a configuration of one or more uplink carriers;

activating one or more uplink carriers;

deactivating one or more uplink carriers;

changing a transmission carrier of an uplink physical channel;

wherein the power control related parameters comprise one or more of:

identification information of one or more uplink carriers;

12. The UE of claim 11, wherein the UE further comprises:

a receiving module, configured to receive, by a network side, power control related parameters of one or more uplink carriers of the UE configured for the UE.

13. The UE of claim 11, wherein the power control related parameters further comprise:

14. The UE of claim 13,

15. The UE of claim 14, wherein the carrier type identifier comprises one or more of: a secondary carrier identity and a non-secondary carrier identity.

16. The UE of claim 11, wherein the trigger condition for PHR based on carrier configuration further comprises:

and the periodic reporting timer of one or more uplink carriers is overtime.

17. The UE of claim 16, wherein if the triggering condition of the PHR based on the carrier configuration is to change a transmission carrier of an uplink physical channel, the uplink physical channel corresponding to the triggering condition of the PHR based on the carrier configuration includes one or more of the following:

a Physical Uplink Control Channel (PUCCH);

a Physical Uplink Shared Channel (PUSCH);

sounding reference signals, SRS; and

physical random access channel PRACH.

18. The UE of claim 11, wherein the content of the PHR comprises one or more of:

identification information of each uplink carrier;

a bitmap corresponding to the identifier of each uplink carrier;

maximum power that each uplink carrier can transmit.

19. The UE of claim 18, wherein the type of the power headroom comprises one or more of:

the power margin after the user equipment sends the PUSCH is obtained;

and the power margin after the user equipment sends the SRS.

20. The UE of claim 11, wherein the reporting order of the format of the PHR comprises one or any combination of the following orders:

reporting according to the cell type sequence;

reporting according to the cell group type sequence;

reporting according to the power headroom PH type sequence;

reporting according to the serial number sequence of the uplink carriers; and

and reporting according to the uplink carrier type sequence.

21. A user device, comprising: processor, memory and computer program stored on and executable on the memory, which when executed by the processor implements the steps of the method of PHR as claimed in any one of claims 1 to 10.

22. A computer-readable storage medium, having a computer program stored thereon, which, when being executed by a processor, performs the steps of the method for PHR as claimed in any one of claims 1 to 10.