CN108702764B - Physical downlink control channel monitoring configuration, monitoring method and device and base station - Google Patents

Physical downlink control channel monitoring configuration, monitoring method and device and base station Download PDF

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Publication number
CN108702764B
CN108702764B CN201880000746.9A CN201880000746A CN108702764B CN 108702764 B CN108702764 B CN 108702764B CN 201880000746 A CN201880000746 A CN 201880000746A CN 108702764 B CN108702764 B CN 108702764B
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pdcch monitoring
pdcch
monitoring information
level
time point
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CN108702764A (en
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牟勤
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • 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

Abstract

The disclosure relates to a method and a device for monitoring and configuring a PDCCH, a method and a device for monitoring a PDCCH, a base station, user equipment and a computer-readable storage medium. The PDCCH monitoring configuration method comprises the following steps: configuring PDCCH monitoring information for User Equipment (UE), wherein the PDCCH monitoring information is used for determining a PDCCH monitoring time point by the UE; and sending the PDCCH monitoring information to the UE. According to the embodiment of the disclosure, the PDCCH monitoring information is configured for the UE, and the PDCCH monitoring information is sent to the UE, so that the PDCCH monitoring process is flexibly configured, and the load change of the service can be better matched.

Description

Physical downlink control channel monitoring configuration, monitoring method and device and base station
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for monitoring and configuring a physical downlink control channel PDCCH, a method and an apparatus for monitoring a PDCCH, a base station, a user equipment, and a computer-readable storage medium.
Background
With the popularization of mobile broadband services, the power consumption problem has been a challenge for smart phone manufacturers. A new air interface system of the fifth Generation mobile communication technology (5 th Generation, abbreviated as 5G) supports more diverse service types, such as multimedia services, cloud services and interactive services, which will bring an increase in data transmission requirements, so that the power consumption problem faced by the new 5G wireless access system will be more severe, and the 5G terminal needs to optimize the power utilization more urgently to provide diverse service types.
Currently, three user behaviors which consume the most power are obtained by analyzing the power consumption of a Long Term Evolution (LTE) module, and the three user behaviors consume more than 70% of the power. The most power consumption is to monitor a Physical Downlink Control Channel (PDCCH), and since the PDCCH is blind-checked up to 44 times in each subframe, the monitoring of the PDCCH consumes more than 40% of power. Moreover, since there is no data transmission in most monitored subframes, the power consumption for monitoring the PDCCH is wasted. Therefore, how to optimize the power consumption of the PDCCH in the monitoring process is an urgent problem to be solved.
In the 5G new air interface, in order to reduce power consumption of monitoring the PDCCH by the user, a concept of a PDCCH monitoring period is introduced. That is, the User Equipment (UE) does not need to monitor the PDCCH every subframe, but performs PDCCH monitoring on a specific subframe according to a set period. The base station may configure the monitoring period according to the service of the UE. And the UE monitors the PDCCH in a specific subframe and determines whether to monitor subsequent data or not according to the monitoring condition of the PDCCH. In subframes where PDCCH monitoring is not required, the UE may sleep for a short time to save power.
In real traffic, the load pattern of the traffic is often dynamically changing, e.g., the traffic bursts intensively over a certain period of time. While in other time periods the traffic volume is relatively small. However, the current PDCCH monitoring period setting mode cannot match the mode in which traffic bursts in a certain time period.
Disclosure of Invention
In view of this, the present application discloses a PDCCH monitoring configuration method and apparatus, a PDCCH monitoring method and apparatus, a base station, a user equipment, and a computer-readable storage medium, so as to flexibly configure a PDCCH monitoring process, so that the PDCCH monitoring process can better match with load changes of a service.
According to a first aspect of the embodiments of the present disclosure, a method for monitoring and configuring a physical downlink control channel PDCCH is provided, which is applied to a base station, and the method includes:
configuring PDCCH monitoring information for User Equipment (UE), wherein the PDCCH monitoring information is used for determining a PDCCH monitoring time point by the UE;
and sending the PDCCH monitoring information to the UE.
In an embodiment, the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
In an embodiment, the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used for indicating the PDCCH monitoring time point within the PDCCH monitoring duration.
In an embodiment, the PDCCH monitoring information includes multiple levels of PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
In an embodiment, the PDCCH monitoring information further includes a PDCCH time offset, and the PDCCH time offset is used for determining a PDCCH monitoring start time.
In an embodiment, the PDCCH monitoring information of each level or any level further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
In an embodiment, the sending the PDCCH monitoring information to the UE includes:
and sending the PDCCH monitoring information to the UE through a high-level signaling, wherein the high-level signaling comprises at least one of a Radio Resource Control (RRC) signaling and a Media Access Control (MAC) signaling.
According to a second aspect of the embodiments of the present disclosure, a method for monitoring a physical downlink control channel PDCCH is provided, which is applied to a user equipment UE, and the method includes:
receiving PDCCH monitoring information sent by a base station;
determining a PDCCH monitoring time point according to the PDCCH monitoring information;
and monitoring the PDCCH at the PDCCH monitoring time point.
In an embodiment, the determining a PDCCH monitoring time point according to the PDCCH monitoring information includes:
determining a PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration; or alternatively
Determining a PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration and a PDCCH time offset; or
Determining the PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration and a bitmap which is used for indicating the PDCCH monitoring time point in the PDCCH monitoring duration; or
Determining a PDCCH monitoring time point according to each level of PDCCH monitoring period and each level of PDCCH monitoring duration in the multi-level PDCCH monitoring information; or
And determining the PDCCH monitoring time point according to the PDCCH monitoring period of each stage in the multi-stage PDCCH monitoring information, the PDCCH monitoring duration of each stage and the PDCCH time offset included in any one-stage or multi-stage PDCCH monitoring information.
According to a third aspect of the embodiments of the present disclosure, there is provided a physical downlink control channel PDCCH monitoring configuration apparatus, which is applied to a base station, the apparatus including:
a configuration module configured to configure PDCCH monitoring information for a user equipment UE, wherein the PDCCH monitoring information is used for the UE to determine a PDCCH monitoring time point;
a transmitting module configured to transmit the PDCCH monitoring information configured by the configuring module to the UE.
In an embodiment, the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
In an embodiment, the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap used for indicating the PDCCH monitoring time point within the PDCCH monitoring duration.
In an embodiment, the PDCCH monitoring information includes multiple levels of PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
In an embodiment, the PDCCH monitoring information further includes a PDCCH time offset, and the PDCCH time offset is used for determining a PDCCH monitoring start time.
In an embodiment, the PDCCH monitoring information of each level or any level further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
In an embodiment, the sending module is configured to:
and sending the PDCCH monitoring information to the UE through a high-level signaling, wherein the high-level signaling comprises at least one of a Radio Resource Control (RRC) signaling and a Media Access Control (MAC) signaling.
According to a fourth aspect of the embodiments of the present disclosure, there is provided a physical downlink control channel PDCCH monitoring apparatus, which is applied to a user equipment UE, the apparatus including:
a receiving module configured to receive PDCCH monitoring information transmitted by a base station;
a determining module configured to determine a PDCCH monitoring time point according to the PDCCH monitoring information received by the receiving module;
a monitoring module configured to monitor the PDCCH at the PDCCH monitoring point-in-time determined by the determining module.
In one embodiment, the determining module comprises:
a first determining submodule configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration; or
A second determining submodule configured to determine the PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration and the PDCCH time offset; or
A third determining submodule configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period, a PDCCH monitoring duration and a bitmap used for indicating the PDCCH monitoring time point within the PDCCH monitoring duration; or alternatively
A fourth determining submodule configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period of each level and a PDCCH monitoring duration of each level in the multi-level PDCCH monitoring information; or
And the fifth determining submodule is configured to determine the PDCCH monitoring time point according to a PDCCH monitoring period of each stage in the multi-stage PDCCH monitoring information, a PDCCH monitoring duration of each stage and PDCCH time offset included in any one or more stages of PDCCH monitoring information.
According to a fifth aspect of the embodiments of the present disclosure, there is provided a base station, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
configuring PDCCH monitoring information for User Equipment (UE), wherein the PDCCH monitoring information is used for determining a PDCCH monitoring time point by the UE;
and sending the PDCCH monitoring information to the UE.
According to a sixth aspect of the embodiments of the present disclosure, there is provided a user equipment, including:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
receiving PDCCH monitoring information sent by a base station;
determining a PDCCH monitoring time point according to the PDCCH monitoring information;
and monitoring the PDCCH at the PDCCH monitoring time point.
According to a seventh aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, on which computer instructions are stored, where the instructions, when executed by a processor, implement the steps of the above-mentioned PDCCH monitoring configuration method for physical downlink control channel.
According to an eighth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, on which computer instructions are stored, and the instructions, when executed by a processor, implement the steps of the above-mentioned physical downlink control channel PDCCH monitoring method.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the PDCCH monitoring information is configured for the UE and sent to the UE, so that the PDCCH monitoring process is flexibly configured, and the load change of the service can be better matched.
By receiving the PDCCH monitoring information sent by the base station, the UE can determine a monitoring time point according to the PDCCH monitoring information configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, the load change of the service can be better matched, and the power consumption can be saved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart illustrating a PDCCH monitoring configuration method according to an exemplary embodiment of the present application;
FIG. 2 is a flowchart illustrating a PDCCH monitoring method according to an exemplary embodiment of the present application;
fig. 3A is a signaling flow diagram illustrating a PDCCH monitoring method according to an exemplary embodiment of the present application;
fig. 3B is a diagram illustrating a determination of a PDCCH monitoring time point according to an exemplary embodiment of the present application;
fig. 4A is a signaling flow diagram illustrating another PDCCH monitoring method according to an exemplary embodiment of the present application;
fig. 4B is a diagram illustrating another exemplary determination of a PDCCH monitoring time point according to an exemplary embodiment of the present application;
fig. 5A is a signaling flow diagram illustrating another PDCCH monitoring method according to an exemplary embodiment of the present application;
fig. 5B is a diagram illustrating another exemplary determination of a PDCCH monitoring time point according to an exemplary embodiment of the present application;
fig. 6A is a signaling flow diagram illustrating another PDCCH monitoring method according to an exemplary embodiment of the present application;
fig. 6B is a diagram illustrating another exemplary determination of a PDCCH monitoring time point according to an exemplary embodiment of the present application;
fig. 7 is a block diagram illustrating a PDCCH monitoring configuration apparatus according to an example embodiment;
FIG. 8 is a block diagram illustrating a PDCCH monitoring apparatus in accordance with an exemplary embodiment;
FIG. 9 is a block diagram illustrating another PDCCH monitoring apparatus according to an example embodiment;
fig. 10 is a block diagram illustrating an apparatus suitable for PDCCH monitoring configuration according to an example embodiment;
fig. 11 is a block diagram illustrating an apparatus for PDCCH monitoring according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a flowchart of a PDCCH monitoring configuration method according to an exemplary embodiment of the present application, where the embodiment is described from a base station side, and as shown in fig. 1, the PDCCH monitoring configuration method includes:
in step S101, PDCCH monitoring information is configured for the UE, and the PDCCH monitoring information is used for the UE to determine a PDCCH monitoring time point.
In this embodiment, the PDCCH monitoring information may include different contents, for example, the PDCCH monitoring information includes at least one of the following contents:
case 11) the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
Case 12) the PDCCH monitoring information includes a PDCCH time offset, a PDCCH monitoring period, and a PDCCH monitoring duration, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
Case 13) the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap for indicating a PDCCH monitoring time point within the PDCCH monitoring duration.
Case 14) the PDCCH monitoring information includes multiple levels of PDCCH monitoring information, and each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
The multi-level PDCCH monitoring information comprises at least two levels of PDCCH monitoring information. When the base station configures the multi-level PDCCH monitoring information, the base station may configure the multi-level PDCCH monitoring information step by step, and for example, the base station may configure the first-level PDCCH monitoring information first and then configure the second-level PDCCH monitoring information.
Situation 15) the PDCCH monitoring information includes multiple levels of PDCCH monitoring information, each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration, each level of PDCCH monitoring information or any level of PDCCH monitoring information further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
In step S102, PDCCH monitoring information is transmitted to the UE.
In this embodiment, the PDCCH monitoring information may be transmitted to the UE through higher layer signaling, which may include, but is not limited to, at least one of Radio Resource Control (RRC) signaling and Medium Access Control (MAC) signaling.
In the embodiment, the PDCCH monitoring information is configured for the UE and sent to the UE, so that the PDCCH monitoring process is flexibly configured, and the PDCCH monitoring process can be better matched with the load change of the service.
Fig. 2 is a flowchart of a PDCCH monitoring method according to an exemplary embodiment of the present application, which is described from the UE side, and as shown in fig. 2, the PDCCH monitoring method includes:
in step S201, PDCCH monitoring information transmitted by the base station is received.
In step S202, a PDCCH monitoring time point is determined according to the PDCCH monitoring information.
Since the PDCCH monitoring information may include different contents, determining the PDCCH monitoring time point according to the PDCCH monitoring information may include, but is not limited to, any one of the following cases:
case 21) determines a PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration.
Case 22) determines a PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration, and the PDCCH time offset.
Case 23) determines a PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration, and a bitmap for indicating the PDCCH monitoring time point within the PDCCH monitoring duration.
Case 24) determines a PDCCH monitoring time point according to a PDCCH monitoring period of each stage and a PDCCH monitoring duration of each stage in the multi-stage PDCCH monitoring information.
Case 25) determines a PDCCH monitoring time point according to a PDCCH monitoring period of each stage in the multi-stage PDCCH monitoring information, a PDCCH monitoring duration of each stage, and a PDCCH time offset included in any one or more stages of PDCCH monitoring information.
In step S203, the PDCCH is monitored at a PDCCH monitoring time point.
In the embodiment, the UE can determine the monitoring time point according to the PDCCH monitoring information configured by the base station by receiving the PDCCH monitoring information sent by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match with the load change of the service and save power consumption.
In order to describe the technical solution of the present application more clearly, the PDCCH monitoring procedure is described below with reference to an embodiment.
Example one
Fig. 3A is a signaling flowchart of a PDCCH monitoring method according to an exemplary embodiment of the present application, which is described from the perspective of interaction between a base station and a UE, and as shown in fig. 3A, the PDCCH monitoring method includes:
in step S301, the base station configures a PDCCH monitoring period for the UE.
The PDCCH monitoring period may be T time units, which may be symbols, slots, or subframes, and so on.
In this embodiment, if the base station does not configure the PDCCH time offset for the UE, it indicates that the base station defaults to a PDCCH monitoring start time being the first time unit.
In step S302, the base station configures a PDCCH monitoring duration for the UE.
In step S303, the base station transmits a PDCCH monitoring period and a PDCCH monitoring duration to the UE.
In step S304, the UE receives the PDCCH monitoring period and the PDCCH monitoring duration sent by the base station.
In step S305, the UE determines a PDCCH monitoring time point according to the PDCCH monitoring period and the PDCCH monitoring duration.
Assuming that the PDCCH monitoring period is T time units and the PDCCH monitoring duration is D time units, the PDCCH monitoring time point determined by the UE is: n T + m, wherein n is an integer, and m = 0-D-1.
For example, if the PDCCH monitoring period is 10ms and the PDCCH monitoring duration is 4ms, the PDCCH monitoring time point determined by the UE is: 0ms to 3ms of each PDCCH monitoring period, as shown in FIG. 3B, each block in FIG. 3B represents 1ms, FIG. 3B shows 3 PDCCH monitoring periods in total, namely, 30 blocks are provided, the 30 blocks represent 0ms to 29ms, the PDCCH monitoring time points determined by the UE are 0ms to 3ms, 10ms to 13ms and 20ms to 23ms as shown in FIG. 3B.
In step S306, the UE monitors the PDCCH at the determined PDCCH monitoring time point.
According to the embodiment, through interaction between the base station and the UE, the UE can determine the monitoring time point according to the PDCCH monitoring period and the PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, the load change of the service can be better matched, and the power consumption can be saved.
Example two
Fig. 4A is a signaling flowchart of another PDCCH monitoring method shown in an exemplary embodiment of the present application, which is described from the perspective of interaction between a base station and a UE, and as shown in fig. 4A, the PDCCH monitoring method includes:
in step S401, the base station configures a PDCCH monitoring period and a PDCCH time offset for the UE.
The PDCCH monitoring period may be T time units, which may be a symbol, a slot, or a subframe, etc. The PDCCH time offset (offset) may be used to determine a PDCCH monitoring start time.
Assuming that the PDCCH time offset is X time units, the PDCCH monitoring start time is the xth time unit of each monitoring period.
In step S402, the base station configures a PDCCH monitoring duration for the UE.
In step S403, the base station transmits the PDCCH monitoring period, the PDCCH time offset, and the PDCCH monitoring duration to the UE.
In step S404, the UE receives the PDCCH monitoring period, the PDCCH time offset, and the PDCCH monitoring duration sent by the base station.
In step S405, the UE determines a PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH time offset, and the PDCCH monitoring duration.
Assuming that a PDCCH monitoring period is T time units, PDCCH time offset is X time units, and PDCCH monitoring duration is D time units, then the PDCCH monitoring time point determined by the UE is: n T + m + X, wherein n is an integer, and m = 0-D-1.
For example, if the PDCCH monitoring period is 10ms, the PDCCH time offset is 3ms, and the PDCCH monitoring duration is 4ms, then the PDCCH monitoring time point determined by the UE is 3ms to 6ms of each PDCCH monitoring period, as shown in fig. 4B, each block in fig. 4B represents 1ms, fig. 4B shows 3 PDCCH monitoring periods in total, that is, 30 blocks in total represent 0ms to 29ms, the PDCCH monitoring time point determined by the UE is 3ms to 6ms, 13ms to 16ms, and 23ms to 26ms shown in fig. 4B.
In step S406, the UE monitors the PDCCH at the determined PDCCH monitoring time point.
According to the embodiment, through interaction between the base station and the UE, the UE can determine the monitoring time point according to the PDCCH monitoring period, PDCCH time offset and PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, load change of a service can be better matched, and power consumption can be saved.
EXAMPLE III
Fig. 5A is a signaling flow diagram of another PDCCH monitoring method according to an exemplary embodiment of the present application, which is described from the perspective of base station and UE interaction, and as shown in fig. 5A, the PDCCH monitoring method includes:
in step S501, the base station configures a PDCCH monitoring period for the UE.
The PDCCH monitoring period may be T time units, which may be symbols, slots, or subframes, and so on.
In step S502, the base station configures a PDCCH monitoring duration for the UE, and configures a bitmap (bit-map) for indicating a PDCCH monitoring time point within the PDCCH monitoring duration.
The bitmap may be used to further determine PDCCH monitoring time points.
In step S503, the base station sends the PDCCH monitoring period, the PDCCH monitoring duration, and a bitmap for indicating a PDCCH monitoring time point within the PDCCH monitoring duration to the UE.
In step S504, the UE receives the PDCCH monitoring period, the PDCCH monitoring duration, and a bitmap for indicating a PDCCH monitoring time point within the PDCCH monitoring duration, which are sent by the base station.
In step S505, the UE determines a PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration, and a bitmap for indicating the PDCCH monitoring time point within the PDCCH monitoring duration.
For example, the PDCCH monitoring period is 10ms, the PDCCH monitoring duration is 4ms, and the bitmap for indicating the PDCCH monitoring time point within the PDCCH monitoring duration is 1011, then the PDCCH monitoring time point determined by the UE is the 0 th ms, the 2 nd ms, and the 3 rd ms of each PDCCH monitoring period, as shown in fig. 5B, each block in fig. 5B represents 1ms, fig. 5B totally shows 3 PDCCH monitoring periods, that is, there are 30 blocks, these 30 blocks represent the 0 th ms to the 29ms, the PDCCH monitoring time point determined by the UE is the 0 th ms, the 2 nd ms, the 3 rd ms, the 10 th ms, the 12 th ms, the 13 th ms, the 20 th ms, the 22 th ms, and the 23 th ms shown in fig. 5B.
In step S506, the UE monitors the PDCCH at the determined PDCCH monitoring time point.
In the embodiment, through interaction between the base station and the UE, the UE can determine the monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration, and the bitmap used for indicating the PDCCH monitoring time point within the PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match with load variation of a service and can save power consumption.
Example four
Fig. 6A is a signaling flow diagram of another PDCCH monitoring method according to an exemplary embodiment of the present application, which is described from the perspective of base station and UE interaction, and as shown in fig. 6A, the PDCCH monitoring method includes:
in step S601, the base station configures first-stage PDCCH monitoring information for the UE, where the first-stage PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
The PDCCH monitoring period may be T time units, which may be symbols, slots, or subframes, and so on.
In this embodiment, if the base station does not configure the PDCCH time offset for the UE, it indicates that the base station defaults to a PDCCH monitoring start time being the first time unit.
Optionally, the first stage PDCCH monitoring information may further include a PDCCH time offset, which may be used to determine the first stage PDCCH monitoring start time.
In step S602, the base station configures a second PDCCH monitoring period and a second PDCCH monitoring duration for the UE within the first PDCCH monitoring duration.
Optionally, the base station may further configure a second PDCCH time offset for the UE within the first PDCCH monitoring duration, where the second PDCCH time offset may be used to determine a second PDCCH monitoring start time.
In step S603, the base station transmits the two-level PDCCH monitoring period and the two-level PDCCH monitoring duration to the UE.
In step S604, the UE receives the two-level PDCCH monitoring period and the two-level PDCCH monitoring duration sent by the base station.
In step S605, the UE determines a PDCCH monitoring time point according to the two-level PDCCH monitoring period and the two-level PDCCH monitoring duration.
For example, if the first-stage PDCCH monitoring period is 10ms, the first-stage PDCCH monitoring duration is 5ms, the second-stage PDCCH monitoring period configured by the UE in the first-stage PDCCH monitoring duration is 3ms, and the second-stage PDCCH monitoring duration is 2ms, the PDCCH monitoring time point determined by the UE is: 0ms, 1ms, 3ms and 4ms of each PDCCH monitoring period, as shown in FIG. 6B, each block in FIG. 6B represents 1ms, FIG. 6B shows 3 PDCCH monitoring periods in total, that is, 30 blocks in total, the 30 blocks represent 0ms to 29ms, and the PDCCH monitoring time points determined by the UE are 0ms, 1ms, 3ms, 4ms, 10ms, 11ms, 13ms, 14ms, 20ms, 21ms, 23ms and 24ms shown in FIG. 6B.
In addition, if any one of the levels of PDCCH monitoring information further includes a PDCCH time offset, the process of determining the PDCCH monitoring time point of the corresponding level based on the PDCCH time offset may refer to the second embodiment shown in fig. 4A, which is not described herein again.
In step S606, the UE monitors the PDCCH at the determined PDCCH monitoring time point.
According to the embodiment, through interaction between the base station and the UE, the UE can determine the monitoring time point according to the two-stage PDCCH monitoring period and the two-stage PDCCH monitoring duration configured by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, the load change of a service can be better matched, and the power consumption can be saved.
Fig. 7 is a block diagram illustrating a PDCCH monitoring configuration apparatus according to an exemplary embodiment, which may be located in a base station, as shown in fig. 7, the apparatus including: a configuration module 71 and a sending module 72.
The configuration module 71 is configured to configure PDCCH monitoring information for the user equipment UE, where the PDCCH monitoring information is used for the UE to determine a PDCCH monitoring time point.
In this embodiment, the PDCCH monitoring information may include different contents, for example, the contents included in the PDCCH monitoring information are at least one of the following:
case 11) the PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration.
Case 12) the PDCCH monitoring information includes a PDCCH time offset, a PDCCH monitoring period, and a PDCCH monitoring duration, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
Case 13) the PDCCH monitoring information includes a PDCCH monitoring period, a PDCCH monitoring duration, and a bitmap for indicating a PDCCH monitoring time point within the PDCCH monitoring duration.
Case 14) the PDCCH monitoring information includes multi-level PDCCH monitoring information, each level of PDCCH monitoring information including a PDCCH monitoring period and a PDCCH monitoring duration.
The multi-level PDCCH monitoring information comprises at least two levels of PDCCH monitoring information. When the base station configures the multi-level PDCCH monitoring information, the base station may configure the multi-level PDCCH monitoring information step by step, and for example, the base station may configure the first-level PDCCH monitoring information first and then the second-level PDCCH monitoring information second.
Situation 15) the PDCCH monitoring information includes multiple levels of PDCCH monitoring information, each level of PDCCH monitoring information includes a PDCCH monitoring period and a PDCCH monitoring duration, each level of PDCCH monitoring information or any level of PDCCH monitoring information further includes a PDCCH time offset, and the PDCCH time offset is used to determine a PDCCH monitoring start time.
The transmission module 72 is configured to transmit the PDCCH monitoring information configured by the configuration module 71 to the UE.
In this embodiment, the transmitting module 72 may transmit the PDCCH monitoring information to the UE through higher layer signaling, wherein the higher layer signaling may include, but is not limited to, at least one of Radio Resource Control (RRC) signaling and Medium Access Control (MAC) signaling.
In the embodiment, the PDCCH monitoring information is configured for the UE and sent to the UE, so that the PDCCH monitoring process is flexibly configured, and the PDCCH monitoring process can be better matched with the load change of the service.
Fig. 8 is a block diagram illustrating a PDCCH monitoring apparatus, which may be located in a UE, according to an exemplary embodiment, and as shown in fig. 8, the apparatus includes: a receiving module 81, a determining module 82 and a monitoring module 83.
The receiving module 81 is configured to receive PDCCH monitoring information transmitted by the base station.
The determining module 82 is configured to determine a PDCCH monitoring time point according to the PDCCH monitoring information received by the receiving module 81.
The monitoring module 83 is configured to monitor the PDCCH at the PDCCH monitoring time point determined by the determination module 82.
In the embodiment, the UE can determine the monitoring time point according to the PDCCH monitoring information configured by the base station by receiving the PDCCH monitoring information sent by the base station, so that the PDCCH can be monitored at the PDCCH monitoring time point, which can better match with the load change of the service and save power consumption.
Fig. 9 is a block diagram of another PDCCH monitoring apparatus according to an exemplary embodiment, and as shown in fig. 9, on the basis of the embodiment shown in fig. 8, the determining module 82 may include: a first determination submodule 821, a second determination submodule 822, a third determination submodule 823, a fourth determination submodule 824, or a fifth determination submodule 825.
The first determining submodule 821 is configured to determine a PDCCH monitoring time point according to a PDCCH monitoring period and a PDCCH monitoring duration.
The second determining submodule 822 is configured to determine a PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration and the PDCCH time offset.
The third determining sub-module 823 is configured to determine a PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration, and a bitmap for indicating the PDCCH monitoring time point within the PDCCH monitoring duration.
The fourth determining submodule 824 is configured to determine a PDCCH monitoring time point according to a PDCCH monitoring period of each stage and a PDCCH monitoring duration of each stage in the multi-stage PDCCH monitoring information.
The fifth determining submodule 825 is configured to determine a PDCCH monitoring time point according to a PDCCH monitoring period of each stage in the multi-stage PDCCH monitoring information, a PDCCH monitoring duration of each stage, and a PDCCH time offset included in any one or more stages of PDCCH monitoring information.
The PDCCH monitoring device can determine the PDCCH monitoring time point according to the PDCCH monitoring information, and the realization mode is flexible and various.
Fig. 10 is a block diagram illustrating another apparatus suitable for PDCCH monitoring configuration according to an example embodiment. The apparatus 1000 may be provided as a base station. Referring to fig. 10, the device 1000 includes a processing component 1022, a wireless transmit/receive component 1024, an antenna component 1026, and signal processing portions specific to wireless interfaces, the processing component 1022 may further include one or more processors.
One of the processors in the processing component 1022 may be configured to:
configuring PDCCH monitoring information for User Equipment (UE), wherein the PDCCH monitoring information is used for determining a PDCCH monitoring time point by the UE;
and sending the PDCCH monitoring information to the UE.
In an exemplary embodiment, a non-transitory computer readable storage medium comprising instructions executable by processing component 1022 of apparatus 1000 to perform the PDCCH monitoring configuration method described above is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Fig. 11 is a block diagram illustrating an apparatus adapted for PDCCH monitoring configuration according to an example embodiment. For example, the apparatus 1100 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, an exercise device, a personal digital assistant, or the like, user device.
Referring to fig. 11, apparatus 1100 may include one or more of the following components: processing component 1102, memory 1104, power component 1106, multimedia component 1108, audio component 1110, input/output (I/O) interface 1112, sensor component 1114, and communications component 1116.
The processing component 1102 generally controls the overall operation of the device 1100, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing element 1102 may include one or more processors 1120 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 1102 may include one or more modules that facilitate interaction between the processing component 1102 and other components. For example, the processing component 1102 may include a multimedia module to facilitate interaction between the multimedia component 1108 and the processing component 1102.
One of the processors 1120 in the processing component 1102 may be configured to:
receiving PDCCH monitoring information sent by a base station;
determining a PDCCH monitoring time point according to the PDCCH monitoring information;
and monitoring the PDCCH at a PDCCH monitoring time point.
The memory 1104 is configured to store various types of data to support operation at the device 1100. Examples of such data include instructions for any application or method operating on device 1100, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1104 may be implemented by any type or combination of volatile or non-volatile storage devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
A power component 1106 provides power to the various components of the device 1100. The power components 1106 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the apparatus 1100.
The multimedia component 1108 includes a screen that provides an output interface between the device 1100 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 1108 includes a front facing camera and/or a rear facing camera. The front-facing camera and/or the rear-facing camera may receive external multimedia data when the device 1100 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 1110 is configured to output and/or input audio signals. For example, the audio component 1110 includes a Microphone (MIC) configured to receive external audio signals when the apparatus 1100 is in operating modes, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1104 or transmitted via the communication component 1116. In some embodiments, the audio assembly 1110 further includes a speaker for outputting audio signals.
The I/O interface 1112 provides an interface between the processing component 1102 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor assembly 1114 includes one or more sensors for providing various aspects of state assessment for the device 1100. For example, the sensor assembly 1114 may detect the open/closed state of the device 1100, the relative positioning of components, such as a display and keypad of the apparatus 1100, the sensor assembly 1114 may also detect a change in the position of the apparatus 1100 or a component of the apparatus 1100, the presence or absence of user contact with the apparatus 1100, an orientation or acceleration/deceleration of the apparatus 1100, and a change in the temperature of the apparatus 1100. Sensor assembly 1114 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. The sensor assembly 1114 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1114 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 1116 is configured to facilitate wired or wireless communication between the apparatus 1100 and other devices. The apparatus 1100 may access a wireless network based on a communication standard, such as WiFi,2G or 3G, or a combination thereof. In an exemplary embodiment, the communication section 1116 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 1116 also includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the apparatus 1100 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as memory 1104 comprising instructions, executable by processor 1120 of apparatus 1100 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
For the device embodiment, since it basically corresponds to the method embodiment, reference may be made to the partial description of the method embodiment for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (18)

1. A Physical Downlink Control Channel (PDCCH) monitoring configuration method is applied to a base station, and comprises the following steps:
configuring PDCCH monitoring information for User Equipment (UE), wherein the PDCCH monitoring information is used for the UE to determine a PDCCH monitoring time point; the PDCCH monitoring information comprises multi-level PDCCH monitoring information, and each level of PDCCH monitoring information comprises a PDCCH monitoring period and PDCCH monitoring duration;
and sending the PDCCH monitoring information to the UE.
2. The method of claim 1, wherein the PDCCH monitoring information further comprises a bitmap for indicating the PDCCH monitoring time points within the PDCCH monitoring duration.
3. The method of claim 1, wherein the per-level PDCCH monitoring information or any level PDCCH monitoring information further comprises a PDCCH time offset, and the PDCCH time offset is used for determining a PDCCH monitoring start time.
4. The method of any of claims 1-3, wherein the sending the PDCCH monitoring information to the UE comprises:
and sending the PDCCH monitoring information to the UE through a high-level signaling, wherein the high-level signaling comprises at least one of a Radio Resource Control (RRC) signaling and a Media Access Control (MAC) signaling.
5. A Physical Downlink Control Channel (PDCCH) monitoring method is applied to User Equipment (UE), and comprises the following steps:
receiving PDCCH monitoring information sent by a base station;
determining a PDCCH monitoring time point according to the PDCCH monitoring information;
monitoring the PDCCH at the PDCCH monitoring time point;
the PDCCH monitoring information comprises multi-stage PDCCH monitoring information, and each stage of PDCCH monitoring information comprises a PDCCH monitoring period and PDCCH monitoring duration;
wherein, the determining the PDCCH monitoring time point according to the PDCCH monitoring information comprises:
and determining the PDCCH monitoring time point according to each level of PDCCH monitoring period and each level of PDCCH monitoring duration in the multi-level PDCCH monitoring information.
6. The method of claim 5, wherein the PDCCH monitoring information of each stage or any stage further comprises a PDCCH time offset, and the PDCCH time offset is used for determining a PDCCH monitoring start time; the determining the PDCCH monitoring time point according to the PDCCH monitoring information includes:
and determining the PDCCH monitoring time point according to each level of PDCCH monitoring period, each level of PDCCH monitoring duration and PDCCH time deviation included in any level or multi-level PDCCH monitoring information in the multi-level PDCCH monitoring information.
7. The method of claim 5, wherein the PDCCH monitoring information further comprises a bitmap for indicating the PDCCH monitoring time point within the PDCCH monitoring duration; the determining the PDCCH monitoring time point according to the PDCCH monitoring information includes:
and determining the PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration and a bitmap which is used for indicating the PDCCH monitoring time point in the PDCCH monitoring duration.
8. A Physical Downlink Control Channel (PDCCH) monitoring configuration device, which is characterized by comprising:
a configuration module configured to configure PDCCH monitoring information for a user equipment UE, wherein the PDCCH monitoring information is used for the UE to determine a PDCCH monitoring time point; the PDCCH monitoring information comprises multi-stage PDCCH monitoring information, and each stage of PDCCH monitoring information comprises a PDCCH monitoring period and PDCCH monitoring duration;
a transmission module configured to transmit the PDCCH monitoring information configured by the configuration module to the UE.
9. The apparatus of claim 8, wherein the PDCCH monitoring information further comprises a bitmap for indicating the PDCCH monitoring time points within the PDCCH monitoring duration.
10. The apparatus of claim 8, wherein the per-level PDCCH monitoring information or any level PDCCH monitoring information further comprises a PDCCH time offset, and the PDCCH time offset is used for determining a PDCCH monitoring start time.
11. The apparatus of any one of claims 8-10, wherein the sending module is configured to:
and sending the PDCCH monitoring information to the UE through a high-level signaling, wherein the high-level signaling comprises at least one of a Radio Resource Control (RRC) signaling and a Media Access Control (MAC) signaling.
12. A Physical Downlink Control Channel (PDCCH) monitoring device, the device comprising:
a receiving module configured to receive PDCCH monitoring information transmitted by a base station;
a determining module configured to determine a PDCCH monitoring time point according to the PDCCH monitoring information received by the receiving module;
a monitoring module configured to monitor the PDCCH at the PDCCH monitoring time point determined by the determining module;
the PDCCH monitoring information comprises multi-stage PDCCH monitoring information, and each stage of PDCCH monitoring information comprises a PDCCH monitoring period and PDCCH monitoring duration;
wherein the determining module comprises:
a fourth determining submodule configured to determine the PDCCH monitoring time point according to each level of PDCCH monitoring period and each level of PDCCH monitoring duration in the multi-level PDCCH monitoring information.
13. The apparatus of claim 12, wherein the PDCCH monitoring information of each level or any level further comprises a PDCCH time offset, and wherein the PDCCH time offset is used for determining a PDCCH monitoring start time; the determining module further comprises:
and the fifth determining submodule is configured to determine the PDCCH monitoring time point according to each level of PDCCH monitoring period in the multi-level PDCCH monitoring information, each level of PDCCH monitoring duration and PDCCH time offset included in any one or more levels of PDCCH monitoring information.
14. The apparatus of claim 12, wherein the PDCCH monitoring information further comprises a bitmap for indicating the PDCCH monitoring time points within the PDCCH monitoring duration; the determining module further comprises:
a third determining submodule configured to determine the PDCCH monitoring time point according to the PDCCH monitoring period, the PDCCH monitoring duration and a bitmap used for indicating the PDCCH monitoring time point within the PDCCH monitoring duration.
15. A base station, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to implement the PDCCH monitoring configuration method of any of claims 1-4.
16. A user device, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to implement the PDCCH monitoring method of any of claims 5-7.
17. A computer-readable storage medium, on which computer instructions are stored, wherein the instructions, when executed by a processor, implement the steps of the method for PDCCH monitoring configuration according to any of claims 1-4.
18. A computer readable storage medium having stored thereon computer instructions, which when executed by a processor, perform the steps of the physical downlink control channel, PDCCH, monitoring method according to any of claims 5-7.
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