CN113518351A - Mode decision method and terminal equipment - Google Patents

Mode decision method and terminal equipment Download PDF

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CN113518351A
CN113518351A CN202010275724.2A CN202010275724A CN113518351A CN 113518351 A CN113518351 A CN 113518351A CN 202010275724 A CN202010275724 A CN 202010275724A CN 113518351 A CN113518351 A CN 113518351A
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decision
period
measurement
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periods
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潘学明
魏旭昇
陈力
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention provides a mode decision method and terminal equipment, wherein the method comprises the following steps: performing RRM measurement relaxation mode judgment according to the first parameter; the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2. The mode judgment method provided by the embodiment of the invention can reduce the unnecessary switching frequency of the UE between the RRM measurement common mode and the RRM measurement relaxation mode, improve the switching quality and better ensure the power saving effect of the UE.

Description

Mode decision method and terminal equipment
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a mode decision method and a terminal device.
Background
In order to reduce power consumption of a User Equipment (UE) (also referred to as a terminal device or a terminal), a Radio Resource Management (RRM) Measurement Relaxation (i.e., RRM Measurement Relaxation) mechanism, also referred to as an RRM Measurement Relaxation mode or an RRM Relaxation mode, is introduced into a New Radio, NR, Release-16, Rel-16. Specifically, under the condition that the requirement is met, the UE may relax the UE RRM measurement indicator for the neighboring cell in an Idle (i.e., Idle) or deactivated (i.e., Inactive) state, so as to achieve the purpose of saving power.
In the existing RRM measurement relaxation mechanism of the UE, the UE determines whether to enter or exit the RRM measurement relaxation mode according to the measurement result of the serving cell. Currently, the measurement frequency of the serving cell is usually performed according to the requirements shown in table 1.
TABLE 1
Figure BDA0002444706470000011
Taking the example of M1 ═ 1 in FR1, the serving cell quality is measured in each Discontinuous Reception (DRX) Cycle (i.e., DRX Cycle), and a new serving cell quality parameter is obtained. Accordingly, the UE makes a decision to enter or exit the RRM measurement relaxation mode according to the measurement frequency of the serving cell and the new serving cell quality parameter obtained by the measurement, and this decision manner easily causes the UE to repeatedly switch between the RRM measurement normal mode (i.e., the RRM measurement unrelaxed mode) and the RRM measurement relaxation mode, resulting in a poor power saving effect of the UE.
Disclosure of Invention
The embodiment of the invention provides a mode decision method and terminal equipment, which aim to solve the problem that in the prior art, UE (user equipment) is frequently switched between a common RRM (radio resource management) measurement mode and a relaxed RRM measurement mode.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a mode decision method, which is applied to a terminal device, and the method includes:
performing RRM measurement relaxation mode judgment according to the first parameter;
the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
In a second aspect, an embodiment of the present invention further provides a terminal device. The terminal device includes:
the judgment module is used for judging a Radio Resource Management (RRM) measurement relaxation mode according to the first parameter;
the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
In a third aspect, an embodiment of the present invention further provides a terminal device, which includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements the steps of the above mode determination method.
In a fourth aspect, 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 the steps of the above-mentioned mode determination method.
In the embodiment of the invention, the decision of a radio resource management RRM measurement relaxation mode is carried out according to a first parameter; the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2. Since at least one of N and M is greater than 1, the UE can stably stay in the RRM measurement normal mode or the RRM measurement relaxed mode, and the frequency of switching between the RRM measurement normal mode and the RRM measurement relaxed mode is reduced.
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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 exercise.
FIG. 1 is a schematic diagram of intra-frequency measurement relaxation provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of inter-frequency measurement relaxation provided by an embodiment of the present invention;
fig. 3 is a block diagram of a network system to which an embodiment of the present invention is applicable;
fig. 4 is a flowchart of a mode decision method according to an embodiment of the present invention;
fig. 5 is a structural diagram of a terminal device according to an embodiment of the present invention;
fig. 6 is a structural diagram of another terminal device according to an 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 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 may be interchanged under appropriate circumstances such that embodiments of the application described herein may be implemented, for example, in a sequence 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. 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 and/or C, means that 7 cases are included that include a alone, B alone, C alone, and both a and B, B and C, a and C, and A, B and C.
For ease of understanding, some of the matters involved in the embodiments of the present invention are described below:
radio Resource Management (RRM) measurement relaxation mode:
currently, the measurement of the neighbor cell performed by the UE in the Idle (i.e. Idle) or deactivated (i.e. Inactive) state can be performed according to the following rules:
if S in the serving cell measurement resultrxlev>SIntraSearchPOr Squal>SIntraSearchQThe UE can not perform the same-frequency measurement, otherwise, the UE needs to perform the same-frequency measurement;
if S in the serving cell measurement resultrxlev>SnonIntraSearchPOr Squal>SnonIntraSearchQOtherwise, the UE needs to make the inter-frequency measurement with the same priority or low priority.
Wherein, the above-mentioned SrxlevAnd SqualRespectively representing the measured Reference Signal Receiving Power (RSRP) value and Reference Signal Received Quality (RSRQ) value of the serving cell, and the above SIntraSearchPAnd SnonIntraSearchPRepresenting a threshold value corresponding to the RSRP; sIntraSearchQAnd SnonIntraSearchQIndicating a threshold value corresponding to the RSRQ.
In addition, if the serving cell quality does not satisfy the cell selection rule S for consecutive Nserv Discontinuous Reception (DRX) cycles, the UE needs to perform measurement on all neighboring cells indicated by the serving cell.
Further, when the UE performs the neighbor cell measurement, for the performance measurement indexes that need to be complied with by the same frequency (and intra-frequency) and the different frequency (i.e. inter-frequency), the method may specifically include:
same frequency cell detection time Tdetect,NR_IntraMeasurement time T of cells of the same frequencymeasure,NR_IntraSame frequency cell evaluation time Tevaluate,NR_Intra；
Inter-frequency cell detection time Tdetect,NR_InterInter-frequency cell measurement time Tmeasure,NR_InterPilot cell evaluation time Tevaluate,NR_Inter。
In order to reduce the power consumption of the UE, an RRM measurement relaxation mechanism is introduced in the sixteenth Release (Release-16, Rel-16), which may be specifically shown in fig. 1 and fig. 2, where fig. 1 shows an on-frequency measurement scenario in the idle state, and fig. 2 shows an off-frequency measurement scenario in the idle state. Taking the same frequency measurement scenario as an example, S in the measurement result of the serving cell in the fifteenth version (Release-15, Rel-15)rxlevGreater than SIntraSearchPOr SqualGreater than SIntraSearchQIn time, the UE can not start the measurement of the adjacent regions with the same frequency; s in measurement result of serving cellrxlevLess than SIntraSearchPOr SqualLess than SIntraSearchQThe UE may turn on neighbor cell measurements. But when the measurement result of the serving cell is worse than the cell selection rule S, the UE ignores all the neighbor cell measurement rules or limits, and starts all neighbor cell measurements. In addition, a new network configured threshold or threshold is introduced in Rel-16, but S in the measurement results of the serving cellrxlevAt newly defined RSRP threshold and SIntraSearchPIn measurement results of inter or serving cellsSqualAt newly defined RSRQ threshold and SIntraSearchQMeanwhile, the UE may enter the RRM measurement relaxation mode when the determination condition is satisfied, but when the measurement result of the serving cell is smaller than the newly defined threshold, the RRM measurement requirement of the UE is not relaxed, that is, the UE is in the RRM measurement normal mode.
More specifically, Rel-16 defines the following two scenarios:
low speed scenes (i.e., Low Mobility scene);
cell center scene (Not in Cell-edge scene).
For each scenario, the network side configures a threshold, and the UE can determine whether to enter the RRM measurement relaxation mode when the threshold is satisfied. The RRM measurement relaxation mode may refer to using a larger measurement interval for measurement, and accordingly, the cell detection time, the cell measurement time, and the cell evaluation time in the measurement performance requirement are all extended accordingly.
The embodiment of the invention provides a mode judgment method. Referring to fig. 3, fig. 3 is a structural diagram of a network system to which the embodiment of the present invention is applicable, and as shown in fig. 3, the network system includes a terminal Device 11 and a network side Device 12, where the terminal Device 11 may be a user side Device such as 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), or a Wearable Device (Wearable Device), and it should be noted that a specific type of the terminal Device 11 is not limited in the embodiment of the present invention. The network side device 12 may be a base station, for example: macro station, LTE eNB, 1G NR NB, gNB, etc.; the network side device 12 may also be a small station, such as a Low Power Node (LPN) pico, femto, or the network side device 12 may be an Access Point (AP); the base station may also be a network node composed of a Central Unit (CU) together with a plurality of TRPs it manages and controls. It should be noted that the specific type of the network-side device 12 is not limited in the embodiment of the present invention.
The embodiment of the invention provides a mode judgment method which is applied to terminal equipment. Referring to fig. 4, fig. 4 is a flowchart of a mode decision method provided in an embodiment of the present invention, as shown in fig. 4, including the following steps:
step 401, performing RRM measurement relaxation mode decision according to the first parameter;
the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
In this embodiment, the first decision period may be any decision period in the decision process of the RRM measurement relaxation mode, and specifically, the first decision period may be any decision period for entering the decision of the RRM measurement relaxation mode or any decision period for exiting the decision of the RRM measurement relaxation mode.
The serving cell quality parameters may include, but are not limited to, RSRP, RSRQ, and the like. Each of the M decision periods may include N measurement periods. The M decision periods may include the first decision period, and optionally, the M decision periods may further include one or more decision periods before the first decision period.
The sum of N and M is greater than 2, i.e., at least one of N and M is greater than 1. For example, the first decision period includes at least one measurement period, and the first decision parameter is determined according to the serving cell quality parameter measured in the measurement period of at least two decision periods, so that the fluctuation of the decision parameter for the decision of the RRM measurement relaxation mode can be reduced, and further, the frequency of unnecessary handover of the UE between the RRM measurement normal mode and the RRM measurement relaxation mode can be reduced; or the first decision period comprises at least two measurement periods, and the first decision parameter is determined according to the quality parameter of the serving cell measured in the measurement period in at least one decision period, so that the frequency of decision of the RRM measurement relaxation mode can be reduced, and the frequency of unnecessary switching of the UE between the RRM measurement common mode and the RRM measurement relaxation mode can be further reduced.
Optionally, the values of N and M may be configured by a network side, or the values of N and M may be predefined by a protocol, or the values of N and M may be determined by the terminal device.
In this step, the terminal device may perform an RRM measurement relaxation mode decision according to the first decision period and the first decision parameter, for example, in a case that the terminal device is not in the RRM measurement relaxation mode, compare the first decision parameter with a threshold value corresponding thereto in the first decision period, and decide whether to enter the RRM measurement relaxation mode according to a comparison result; and under the condition that the terminal equipment is in the RRM measurement relaxation mode, comparing the first judgment parameter with the corresponding threshold value in a first judgment period, and judging whether to exit the RRM measurement relaxation mode according to the comparison result.
According to the mode judgment method provided by the embodiment of the invention, the judgment of the RRM measurement relaxation mode is carried out according to the first parameter; the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2. Because at least one of N and M is larger than 1, the UE can be more stably resided in the RRM measurement common mode or the RRM measurement relaxation mode, the unnecessary switching frequency of the UE between the RRM measurement common mode and the RRM measurement relaxation mode is reduced, the switching quality is improved, and the power saving effect of the UE is better ensured.
Optionally, a length of a decision period for entering the RRM measurement relaxation mode decision and a length of a decision period for exiting the RRM measurement relaxation mode decision are the same.
In this embodiment, both the decision period for entering the decision of the RRM measurement relaxation mode and the decision period for exiting the decision of the RRM measurement relaxation mode may include N measurement periods, so that the terminal device makes a decision of entering the RRM measurement relaxation mode or exiting the RRM measurement relaxation mode every N measurement periods.
In this embodiment, the length of the decision period for entering the RRM measurement relaxation mode decision is the same as the length of the decision period for exiting the RRM measurement relaxation mode decision, which is relatively simple to implement.
Optionally, a length of a decision period for entering the RRM measurement relaxation mode decision and a length of a decision period for exiting the RRM measurement relaxation mode decision are different.
For example, the decision period for entering the RRM measurement relaxation mode decision may include N1 measurement periods, the decision period for exiting the RRM measurement relaxation mode decision may include N2 measurement periods, N1 and N2 are different positive integers, and values of the above N1 and N2 may be configured by a network side, or predefined by a protocol, or determined by the terminal device.
It should be noted that, in a case where the first decision period is a decision period for entering the decision of the RRM measurement relaxation mode, a value of N is N1, that is, the first decision period includes N1 measurement periods, and in a case where the first decision period is a decision period for exiting the RRM measurement relaxation mode, a value of N is N2, that is, the first decision period includes N2 measurement periods.
In this embodiment, the length of the decision period for entering the RRM measurement relaxation mode decision and the length of the decision period for exiting the RRM measurement relaxation mode decision are different, so that the flexibility of the RRM measurement relaxation mode decision can be improved, and further, the balance between the UE power saving and the mobility performance measurement can be better ensured.
Optionally, the measurement cycle includes K discontinuous reception DRX cycles, where K is a positive integer; and N corresponding to different DRX cycle lengths has different values.
In this embodiment, the value of K may be configured by a network side or predefined by a protocol. The values of N corresponding to the lengths of the different DRX cycles are different, for example, when the length of the DRX cycle is greater than a first threshold, the value of N is M1, that is, the first decision cycle includes M1 measurement cycles, and when the length of the DRX cycle is less than or equal to the first threshold, the value of N is M2, that is, the first decision cycle includes M2 measurement cycles, where M1 and M2 may be different positive integers configured by a network side, predefined by a protocol, or determined by a terminal device, and the first threshold may also be predefined by the network side or the protocol.
In this embodiment, different DRX cycle lengths correspond to different decision cycles, so that flexibility of setting the decision cycles can be improved, and further, balance between UE power saving and mobility measurement can be better ensured.
Optionally, the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period in the first decision period, or according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, where N is an integer greater than 1;
or
The first decision parameter is determined according to the quality parameter of the serving cell measured in the measurement period in the first decision period and the quality parameter of the serving cell measured in the measurement period in the second decision period, and N is 1;
wherein the second decision period comprises at least one decision period before the first decision period.
In one embodiment, N is an integer greater than 1, i.e., the first decision period includes at least two measurement periods. In this case, the first decision parameter may be determined only according to the serving cell quality parameter measured in the measurement period within the first decision period, so that the determination of the decision parameter for the RRM measurement relaxation mode decision is simpler.
For example, the maximum value of the serving cell quality parameters measured in at least two measurement periods in the first decision period may be determined as the first decision parameter, or a value obtained by performing weighted summation on the serving cell quality parameters measured in at least two measurement periods in the first decision period may be determined as the first decision parameter.
Optionally, in the case that the first decision period includes at least two measurement periods, the first decision parameter may also be determined according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, so that the fluctuation of the decision parameter for the decision of the RRM measurement relaxation mode may be reduced, the frequency of unnecessary handover of the UE between the RRM measurement normal mode and the RRM measurement relaxation mode may be further reduced, and the handover quality is improved.
For example, an average value of the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period may be determined as the first decision parameter, or a value obtained by performing weighted summation on the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period may be determined as the first decision parameter, and the like, where the second decision period may include one or more decision periods before the first decision period.
In another embodiment, N is 1, i.e. the first decision period comprises only one measurement period. In this case, the first decision parameter may be determined according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, so that the fluctuation of the decision parameter used for the decision in the RRM measurement relaxation mode may be reduced, thereby reducing the unnecessary handover frequency of the UE between the RRM measurement normal mode and the RRM measurement relaxation mode, and improving the handover quality.
For example, a median, a maximum value, or a minimum value of the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, which may include one or more decision periods before the first decision period, may be determined as the first decision parameter, or a value obtained by performing weighted summation on the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period may be determined as the first decision parameter, and the like.
Optionally, when the first decision parameter is determined according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, the first decision parameter is obtained by performing weighted summation on the first quality parameter and the second decision parameter;
the first quality parameter is a quality parameter determined according to a quality parameter of a serving cell measured in a measurement period within the first decision period, and the second decision parameter is a decision parameter corresponding to the second decision period.
In this embodiment, the first quality parameter may be a quality parameter determined according to a quality parameter of a serving cell measured in a measurement period in a first decision period. For example, in the case that the first decision period includes one measurement period, the first quality parameter may be a serving cell quality parameter measured in the measurement period of the first decision period; in the case that the first decision period includes at least two measurement periods, the first quality parameter may be an average value of the quality parameters of the serving cells measured in the at least two measurement periods in the first decision period, or a value obtained by performing weighted summation on the quality parameters of the serving cells measured in the at least two measurement periods in the first decision period, or the like.
The second decision parameter is a decision parameter corresponding to a second decision period, that is, the second decision parameter is a decision parameter for the terminal device to perform the decision of the RRM measurement relaxation mode in the second decision period.
It should be noted that, the weight value used for the weighted summation of the first quality parameter and the second decision parameter may be configured by the network side, or predefined by a protocol, or determined by the terminal device.
In the embodiment, the first decision parameter is obtained by performing weighted summation on the first quality parameter and the second decision parameter; the first quality parameter is a quality parameter determined according to a quality parameter of a serving cell measured in a measurement period within the first decision period, and the second decision parameter is a decision parameter corresponding to the second decision period, so that the fluctuation of the decision parameter for decision in the RRM measurement relaxation mode can be further reduced, and the frequency of switching between the RRM measurement normal mode and the RRM measurement relaxation mode by the UE can be further reduced.
Alternatively, the second decision period may be a decision period before the first decision period.
Taking the second decision period as an example of the previous decision period of the first decision period, the first decision parameter can be calculated by using the following formula:
x(n)＝a*X+(1-a)*x(n-1)；
wherein, X (n) represents a first decision parameter, X represents a first quality parameter, X (n-1) represents a second decision parameter, a represents a weight value, and the value of a can be configured by a network side, predefined by a protocol, or determined by a terminal device.
Optionally, in a case that the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period within the first decision period, the first decision parameter includes one of:
the average value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
the maximum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
and the minimum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period.
In an embodiment, an average value of serving cell quality parameters measured in N measurement periods within the first decision period may be used as the first decision parameter, so that the fluctuation of the decision parameter for the decision on the RRM measurement relaxation mode may be reduced, and further, the UE may more stably camp in the RRM measurement normal mode or the RRM measurement relaxation mode, and the frequency of unnecessary handover of the UE between the RRM measurement normal mode and the RRM measurement relaxation mode may be reduced.
For example, the measurement is performed in N measurement periods within the first decision period, so as to obtain N RSRP values and N RSRQ values, an average value of the N measured RSRP values is used as the RSRP value in the first decision parameter, and an average value of the N measured RSRQ values is used as the RSRQ value in the first decision parameter.
In another embodiment, the maximum value of the serving cell quality parameters measured in N measurement periods within the first decision period may be used as the first decision parameter, so that the UE may more stably camp in the RRM measurement relaxation mode, and the frequency of unnecessary handover of the UE between the RRM measurement normal mode and the RRM measurement relaxation mode is reduced.
For example, the measurement is performed in N measurement periods within the first decision period, so as to obtain N RSRP values and N RSRQ values, a maximum value of the N measured RSRP values is used as the RSRP value in the first decision parameter, and a maximum value of the N measured RSRQ values is used as the RSRQ value in the first decision parameter.
In another embodiment, the minimum value of the serving cell quality parameters measured in N measurement periods within the first decision period may be used as the first decision parameter, so that the UE may more stably camp in the RRM measurement normal mode, and the frequency of unnecessary handover of the UE between the RRM measurement normal mode and the RRM measurement relaxed mode is reduced.
For example, the measurement is performed in N measurement periods within the first decision period, so as to obtain N RSRP values and N RSRQ values, a minimum value of the N measured RSRP values is used as the RSRP value in the first decision parameter, and a minimum value of the N measured RSRQ values is used as the RSRQ value in the first decision parameter.
The following describes embodiments of the present invention with reference to examples:
example one:
assuming that the measurement cycle of the serving cell is K DRX cycles, where K is greater than or equal to 1 and denoted as T, the decision cycle for entering the RRM measurement relaxation mode decision and the decision cycle for exiting the RRM measurement relaxation mode decision both include N measurement cycles, that is, the decision cycle is N × T, and N is greater than or equal to 1.
Accordingly, the serving cell quality parameter (SS-RSRP/SS-RSRQ) for making the RRM measurement relaxation mode decision may be determined based on the measurement result of a single decision period, e.g. the average of all the measurement results of N measurement periods, or may be determined based on the measurement results of multiple decision periods, e.g. introducing a forgetting factor a, and the serving cell quality parameter for the nth decision period may be X (N) × X + (1-a) × (N-1), where X is the average of all the measurement results of N measurement periods, and X (N-1) represents the serving cell quality parameter for the nth-1 decision period.
Example two:
assuming that the measurement period of the serving cell is K DRX periods, K ≧ 1, denoted T, the decision period for entering the decision on the RRM measurement relaxation mode includes N1 measurement periods, i.e., N1 × T, and the decision period for exiting the decision on the RRM measurement relaxation mode includes N2 measurement periods, i.e., N2 × T, N1 and N2 are different positive integers.
Accordingly, the serving cell quality parameter (SS-RSRP/SS-RSRQ) for entering the RRM measurement relaxation mode decision may be determined based on the measurement results of a single decision period, e.g. the average of all measurement results of N1 measurement periods, or may be determined based on the measurement results of multiple decision periods, e.g. introducing a forgetting factor a, and the serving cell quality parameter for the nth decision period may be X (N) ═ X + (1-a) × (N-1), where X is the average of all measurement results of N1 measurement periods and X (N-1) denotes the serving cell quality parameter for the nth-1 decision period.
Likewise, the serving cell quality parameter (SS-RSRP/SS-RSRQ) for exiting the RRM measurement relaxation mode decision may be determined based on the measurement results of a single decision period, e.g. the average of all measurement results of N2 measurement periods, or may be determined based on the measurement results of multiple decision periods, e.g. introducing a forgetting factor a, and the serving cell quality parameter for the nth decision period may be X (N) × (1-a) × (N-1), where X is the average of all measurement results of N2 measurement periods and X (N-1) denotes the serving cell quality parameter for the nth-1 decision period.
Example three:
assuming that the measurement cycle of the serving cell is K DRX cycles, where K ≧ 1, denoted as T, and different DRX cycle lengths correspond to different decision cycles, for example, when the DRX cycle length is smaller than a first threshold, the decision cycle of whether to enter/exit the RRM measurement relaxation mode includes M1 measurement cycles; when the length of the DRX cycle is greater than the first threshold, the decision period of whether to enter/exit the RRM measurement relaxation mode includes M2 measurement periods, and M1 and M2 are different positive integers.
Accordingly, the serving cell quality parameter (SS-RSRP/SS-RSRQ) for making the RRM measurement relaxation mode decision may be determined based on the measurement results of a single decision period, e.g. the average of all measurement results of M1 or M2 measurement periods, or based on the measurement results of multiple decision periods, e.g. introducing a forgetting factor a, and the serving cell quality parameter for the nth decision period may be X (n) ═ X + (1-a) × (n-1), where X is the average of all measurement results of M1 or M2 measurement periods, and X (n-1) denotes the serving cell quality parameter for the nth decision period.
Referring to fig. 5, fig. 5 is a structural diagram of a terminal device according to an embodiment of the present invention. As shown in fig. 5, the terminal device 500 includes:
a decision module 501, configured to perform a decision on a radio resource management RRM measurement relaxation mode according to the first parameter;
the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
Optionally, a length of a decision period for entering the RRM measurement relaxation mode decision and a length of a decision period for exiting the RRM measurement relaxation mode decision are the same.
Optionally, a length of a decision period for entering the RRM measurement relaxation mode decision and a length of a decision period for exiting the RRM measurement relaxation mode decision are different.
Optionally, the measurement cycle includes K discontinuous reception DRX cycles, where K is a positive integer; and N corresponding to different DRX cycle lengths has different values.
Optionally, the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period in the first decision period, or according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, where N is an integer greater than 1;
or
The first decision parameter is determined according to the quality parameter of the serving cell measured in the measurement period in the first decision period and the quality parameter of the serving cell measured in the measurement period in the second decision period, and N is 1;
wherein the second decision period comprises at least one decision period before the first decision period.
Optionally, when the first decision parameter is determined according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, the first decision parameter is obtained by performing weighted summation on the first quality parameter and the second decision parameter;
the first quality parameter is a quality parameter determined according to a quality parameter of a serving cell measured in a measurement period within the first decision period, and the second decision parameter is a decision parameter corresponding to the second decision period.
Optionally, in a case that the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period within the first decision period, the first decision parameter includes one of:
the average value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
the maximum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
and the minimum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period.
Optionally, the values of N and M are configured by the network side, or the values of N and M are predefined by a protocol, or the values of N and M are determined by the terminal device.
The terminal device 500 provided in the embodiment of the present invention can implement each process implemented by the terminal device in the foregoing method embodiments, and for avoiding repetition, details are not described here again.
The terminal device 500 of the embodiment of the present invention includes a decision module 501, configured to perform a decision on a radio resource management RRM measurement relaxation mode according to a first parameter; the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2. Since at least one of N and M is greater than 1, the UE can stably stay in the RRM measurement normal mode or the RRM measurement relaxed mode, and the frequency of switching between the RRM measurement normal mode and the RRM measurement relaxed mode is reduced.
Fig. 6 is a structural diagram of another terminal device according to an embodiment of the present invention. Referring to fig. 6, the terminal device 600 includes, but is not limited to: a radio frequency unit 601, a network module 602, an audio output unit 603, an input unit 604, a sensor 605, a display unit 606, a user input unit 607, an interface unit 608, a memory 609, a processor 610, and a power supply 611. Those skilled in the art will appreciate that the terminal device configuration shown in fig. 6 does not constitute a limitation of the terminal device, and that the terminal device may include more or fewer components than shown, or combine certain components, or a different arrangement of components. In the embodiment of the present invention, the terminal device 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 610 is configured to make a decision on a radio resource management RRM measurement relaxation mode according to the first parameter; the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 601 and the processor 610 may implement each process implemented by the terminal device in the foregoing method embodiment, and in order to avoid repetition, details are not described here.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 601 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 610; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 601 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. Further, the radio frequency unit 601 may also communicate with a network and other devices through a wireless communication system.
The terminal device provides the user with wireless broadband internet access through the network module 602, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The audio output unit 603 may convert audio data received by the radio frequency unit 601 or the network module 602 or stored in the memory 609 into an audio signal and output as sound. Also, the audio output unit 603 can also provide audio output related to a specific function performed by the terminal apparatus 600 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 603 includes a speaker, a buzzer, a receiver, and the like.
The input unit 604 is used to receive audio or video signals. The input Unit 604 may include a Graphics Processing Unit (GPU) 6041 and a microphone 6042, and the Graphics processor 6041 processes image data of a still picture or video obtained by an image capturing apparatus (such as a camera) in a video capture mode or an image capture mode. The processed image frames may be displayed on the display unit 606. The image frames processed by the graphic processor 6041 may be stored in the memory 609 (or other storage medium) or transmitted via the radio frequency unit 601 or the network module 602. The microphone 6042 can receive sound, and can process 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 601 in case of the phone call mode.
The terminal device 600 further comprises at least one sensor 605, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the luminance of the display panel 6061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 6061 and/or the backlight when the terminal apparatus 600 is moved 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 device 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 605 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 606 is used to display information input by the user or information provided to the user. The Display unit 606 may include a Display panel 6061, and the Display panel 6061 may be configured by a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 607 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 device. Specifically, the user input unit 607 includes a touch panel 6071 and other input devices 6072. Touch panel 6071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 6071 using a finger, stylus, or any suitable object or accessory). The touch panel 6071 may include two parts of 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 610, receives a command from the processor 610, and executes the command. In addition, the touch panel 6071 can be implemented by various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The user input unit 607 may include other input devices 6072 in addition to the touch panel 6071. Specifically, the other input devices 6072 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 6071 can be overlaid on the display panel 6061, and when the touch panel 6071 detects a touch operation on or near the touch panel 6071, the touch operation is transmitted to the processor 610 to determine the type of the touch event, and then the processor 610 provides a corresponding visual output on the display panel 6061 according to the type of the touch event. Although in fig. 6, the touch panel 6071 and the display panel 6061 are two independent components to implement the input and output functions of the terminal device, in some embodiments, the touch panel 6071 and the display panel 6061 may be integrated to implement the input and output functions of the terminal device, and this is not limited here.
The interface unit 608 is an interface for connecting an external device to the terminal apparatus 600. 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 608 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the terminal apparatus 600 or may be used to transmit data between the terminal apparatus 600 and an external device.
The memory 609 may be used to store software programs as well as various data. The memory 609 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 609 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 610 is a control center of the terminal device, connects various parts of the entire terminal device by using various interfaces and lines, and performs various functions of the terminal device and processes data by running or executing software programs and/or modules stored in the memory 609 and calling data stored in the memory 609, thereby performing overall monitoring of the terminal device. Processor 610 may include one or more processing units; preferably, the processor 610 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 610.
The terminal device 600 may further include a power supply 611 (such as a battery) for supplying power to various components, and preferably, the power supply 611 may be logically connected to the processor 610 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 device 600 includes some functional modules that are not shown, and are not described in detail herein.
Preferably, an embodiment of the present invention further provides a terminal device, which includes a processor 610, a memory 609, and a computer program stored in the memory 609 and capable of running on the processor 610, where the computer program, when executed by the processor 610, implements each process of the above-mentioned mode decision method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not described here again.
The 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 embodiment of the mode decision method, 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.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (18)

1. A mode decision method is applied to a terminal device, and is characterized by comprising the following steps:
performing RRM measurement relaxation mode judgment according to the first parameter;
the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
2. The method according to claim 1, wherein the decision period for entering the RRM measurement relaxation mode decision and the decision period for exiting the RRM measurement relaxation mode decision are the same length.
3. The method according to claim 1, wherein a decision period for entering the RRM measurement relaxation mode decision and a decision period for exiting the RRM measurement relaxation mode decision are different in length.
4. The method of claim 1, wherein the measurement periods comprise K Discontinuous Reception (DRX) periods, K being a positive integer; and N corresponding to different DRX cycle lengths has different values.
5. The method according to claim 1, wherein the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period in the first decision period, or according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, N is an integer greater than 1;
or
The first decision parameter is determined according to the quality parameter of the serving cell measured in the measurement period in the first decision period and the quality parameter of the serving cell measured in the measurement period in the second decision period, and N is 1;
wherein the second decision period comprises at least one decision period before the first decision period.
6. The method according to claim 5, wherein in a case that the first decision parameter is determined according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, the first decision parameter is obtained by performing weighted summation on the first quality parameter and the second decision parameter;
the first quality parameter is a quality parameter determined according to a quality parameter of a serving cell measured in a measurement period within the first decision period, and the second decision parameter is a decision parameter corresponding to the second decision period.
7. The method according to claim 5, wherein in case that the first decision parameter is determined only from serving cell quality parameters measured in a measurement period within the first decision period, the first decision parameter comprises one of:
the average value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
the maximum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
and the minimum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period.
8. The method according to claim 1, wherein the values of N and M are configured by a network side, or the values of N and M are predefined by a protocol, or the values of N and M are determined by the terminal device.
9. A terminal device, comprising:
the judgment module is used for judging a Radio Resource Management (RRM) measurement relaxation mode according to the first parameter;
the first parameter comprises a first decision period and a first decision parameter, the first decision period comprises N measurement periods, the measurement periods are periods for measuring quality parameters of the service cell, the first decision parameter is determined according to the quality parameters of the service cell measured in the measurement periods in M decision periods, N and M are positive integers, and the sum of N and M is greater than 2.
10. The terminal device of claim 9, wherein a decision period for entering the RRM measurement relaxation mode decision and a decision period for exiting the RRM measurement relaxation mode decision are the same length.
11. The terminal device of claim 9, wherein a decision period for entering the RRM measurement relaxation mode decision and a decision period for exiting the RRM measurement relaxation mode decision are different in length.
12. The terminal device of claim 9, wherein the measurement periods comprise K Discontinuous Reception (DRX) periods, K being a positive integer; and N corresponding to different DRX cycle lengths has different values.
13. The terminal device according to claim 9, wherein the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period in the first decision period, or according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, N is an integer greater than 1;
or
The first decision parameter is determined according to the quality parameter of the serving cell measured in the measurement period in the first decision period and the quality parameter of the serving cell measured in the measurement period in the second decision period, and N is 1;
wherein the second decision period comprises at least one decision period before the first decision period.
14. The terminal device according to claim 13, wherein in a case where the first decision parameter is determined according to the serving cell quality parameter measured in the measurement period in the first decision period and the serving cell quality parameter measured in the measurement period in the second decision period, the first decision parameter is obtained by performing weighted summation on the first quality parameter and the second decision parameter;
the first quality parameter is a quality parameter determined according to a quality parameter of a serving cell measured in a measurement period within the first decision period, and the second decision parameter is a decision parameter corresponding to the second decision period.
15. The terminal device according to claim 13, wherein in case that the first decision parameter is determined only according to the serving cell quality parameter measured in the measurement period within the first decision period, the first decision parameter comprises one of:
the average value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
the maximum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period;
and the minimum value of the quality parameters of the service cell measured in the N measurement periods in the first judgment period.
16. The terminal device according to claim 9, wherein the values of N and M are configured by a network side, or the values of N and M are predefined by a protocol, or the values of N and M are determined by the terminal device.
17. A terminal device, characterized in that it comprises a processor, a memory and a computer program stored on said memory and executable on said processor, said computer program, when executed by said processor, implementing the steps of the mode decision method according to any one of claims 1 to 8.
18. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the mode decision method according to one of claims 1 to 8.
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