CN115022902B - Wireless communication method with high frequency band utilization rate and base station using same - Google Patents
Wireless communication method with high frequency band utilization rate and base station using same Download PDFInfo
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- CN115022902B CN115022902B CN202210599133.XA CN202210599133A CN115022902B CN 115022902 B CN115022902 B CN 115022902B CN 202210599133 A CN202210599133 A CN 202210599133A CN 115022902 B CN115022902 B CN 115022902B
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000004891 communication Methods 0.000 title claims abstract description 12
- 238000012544 monitoring process Methods 0.000 claims abstract description 58
- 230000002618 waking effect Effects 0.000 claims abstract description 58
- 239000000969 carrier Substances 0.000 claims abstract description 29
- 230000000737 periodic effect Effects 0.000 claims description 37
- 230000005540 biological transmission Effects 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 208000037918 transfusion-transmitted disease Diseases 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
Classifications
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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
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- 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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
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- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- 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 discloses a wireless communication method with high frequency band utilization rate, which comprises the following steps: the base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on each carrier of a plurality of carriers, and each carrier of the plurality of carriers has a different configuration of the low power consumption mode; the base station sends a combined wake-up signal to the mobile terminal on a plurality of carriers, wherein the combined wake-up signal comprises a plurality of wake-up commands for waking up the mobile terminal to start monitoring downlink control information on the plurality of carriers; after receiving the combined wake-up signal, the mobile terminal starts to monitor downlink control information on the corresponding carrier corresponding to the wake-up command; after the downlink control information is monitored on the corresponding carrier corresponding to the wake-up command, the mobile terminal enters the low power consumption mode of the corresponding carrier corresponding to the wake-up command again.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a wireless communication method with high frequency band utilization and a base station using the same.
Background
Low power consumption mode or discontinuous reception is a technique known in the art, for example, prior art US20210185762A1 proposes a discontinuous transmission method involving switching between a UE side sleep and listening state on a single carrier, which cannot achieve efficient utilization of the frequency band when applied in a multi-carrier scenario.
Disclosure of Invention
The invention aims to provide a wireless communication method with high frequency band utilization rate and a base station using the same.
In order to achieve the above object, the present invention provides a wireless communication method of high frequency band utilization, comprising the steps of: the base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on each carrier of a plurality of carriers, and each carrier of the plurality of carriers has a different configuration of the low power consumption mode; the base station sends a combined wake-up signal to the mobile terminal on a plurality of carriers, wherein the combined wake-up signal comprises a plurality of wake-up commands for waking up the mobile terminal to start monitoring downlink control information on the plurality of carriers; after receiving the combined wake-up signal, the mobile terminal starts to monitor downlink control information on the corresponding carrier corresponding to the wake-up command; after the downlink control information is monitored on the corresponding carrier corresponding to the wake-up command, the mobile terminal enters the low power consumption mode of the corresponding carrier corresponding to the wake-up command again.
In a preferred embodiment, the number of the plurality of carriers is three, wherein the method comprises:
the base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on a carrier A, the configuration of a low power consumption mode on a carrier B and the configuration of a low power consumption mode on a carrier C, and the configuration of the low power consumption mode on the carrier A, the configuration of the low power consumption mode on the carrier B and the configuration of the low power consumption mode on the carrier C are different;
If the base station is to transmit low priority downlink data, the base station determines the signal quality on carrier a, the signal quality on carrier B, and the signal quality on carrier C;
If the signal quality on the carrier A is determined to be the highest, the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, wherein the combined wake-up signal A comprises one of the following items: a wake-up command A1 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B1 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C1 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
the wake-up command A1, the wake-up command B1 and the wake-up command C1 have different sizes.
In a preferred embodiment, the method further comprises:
If it is determined that the signal quality on carrier B is highest, the base station transmits a combined wake-up signal B to the mobile terminal on carrier B, wherein the combined wake-up signal B includes one of: a wake-up command A2 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B2 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C2 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
wherein, the wake-up command A2, the wake-up command B2 and the wake-up command C2 have different sizes;
If it is determined that the signal quality on the carrier C is highest, the base station transmits a combined wake-up signal C to the mobile terminal on the carrier C, wherein the combined wake-up signal C includes one of: a wake-up command A3 for waking up the mobile terminal to start monitoring downlink control information on the carrier A, a wake-up command B3 for waking up the mobile terminal to start monitoring downlink control information on the carrier B, and a wake-up command C3 for waking up the mobile terminal to start monitoring downlink control information on the carrier C;
Wherein, wake-up command A3, wake-up command B3 and wake-up command C3 have different sizes.
In a preferred embodiment, the method further comprises:
If the base station is to transmit the downlink data with high priority, the base station determines the sequence of the transmission opportunity of the combined wake-up signal on the carrier A, the transmission opportunity of the combined wake-up signal on the carrier B and the transmission opportunity of the combined wake-up signal on the carrier C;
If the combined wake-up signal sending time on the carrier A is determined to happen first, the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, wherein the combined wake-up signal A comprises one of the following items: a wake-up command A1 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B1 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C1 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
the wake-up command A1, the wake-up command B1 and the wake-up command C1 have different sizes.
In a preferred embodiment, the method further comprises:
if it is determined that the combined wake-up signal transmission opportunity on the carrier B occurs first, the base station transmits a combined wake-up signal B to the mobile terminal on the carrier B, wherein the combined wake-up signal B includes one of the following: a wake-up command A2 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B2 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C2 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
wherein, the wake-up command A2, the wake-up command B2 and the wake-up command C2 have different sizes;
If the combined wake-up signal sending occasion on the carrier C is determined to happen first, the base station sends a combined wake-up signal C to the mobile terminal on the carrier C, wherein the combined wake-up signal C comprises one of the following: a wake-up command A3 for waking up the mobile terminal to start monitoring downlink control information on the carrier A, a wake-up command B3 for waking up the mobile terminal to start monitoring downlink control information on the carrier B, and a wake-up command C3 for waking up the mobile terminal to start monitoring downlink control information on the carrier C;
Wherein, wake-up command A3, wake-up command B3 and wake-up command C3 have different sizes.
In a preferred embodiment, the configuration of the low power consumption mode on the carrier a, the configuration of the low power consumption mode on the carrier B, and the configuration of the low power consumption mode on the carrier C are specifically:
The low power consumption mode on carrier a is configured to: the mobile terminal listens for the combined wake-up signal a transmitted by the base station in a period A1 in the periodic period a, and does not listen for the combined wake-up signal a any more for the remaining time in the periodic period a;
The low power consumption mode on carrier B is configured to: the mobile terminal listens for the combined wake-up signal B transmitted by the base station in a period B1 in the periodic period B, and does not listen for the combined wake-up signal B for the remaining time in the periodic period B;
The low power consumption mode on carrier C is configured to: the mobile terminal listens for the combined wake-up signal C transmitted by the base station in a period C1 in the periodic period C, and does not listen for the combined wake-up signal C any more for the remaining time in the periodic period C;
The length of the periodic period a is different from the length of the periodic period B, the length of the periodic period B is different from the length of the periodic period C, the length of the period A1 is different from the length of the period B1, and the length of the period B1 is different from the length of the period C1.
In a preferred embodiment, the method further comprises:
the mobile terminal first tries to receive a combined wake-up signal a on carrier a;
if the combined wake-up signal a is received on carrier a, the mobile terminal no longer listens for the combined wake-up signal B on carrier B and no longer listens for the combined wake-up signal C on carrier C;
after receiving the combined wake-up signal A on the carrier A, the mobile terminal judges a wake-up command included in the combined wake-up signal A based on the size of the wake-up command;
If the combined wake-up signal A is judged to comprise a wake-up command A1, the mobile terminal monitors a downlink control message sent by the base station on a carrier A;
if the combined wake-up signal A is judged not to comprise the wake-up command A1, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier A;
If the combined wake-up signal A is judged to comprise a wake-up command B1, the mobile terminal monitors a downlink control message sent by the base station on a carrier B;
If the combined wake-up signal A is judged not to comprise the wake-up command B1, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier B;
if the combined wake-up signal A is judged to comprise a wake-up command C1, the mobile terminal monitors a downlink control message sent by the base station on a carrier C;
if the combined wake-up signal A is judged not to comprise the wake-up command C1, the mobile terminal does not monitor the carrier C for the downlink control message sent by the base station.
In a preferred embodiment, the method further comprises:
If the combined wake-up signal a is not received on carrier a, the mobile terminal then attempts to receive the combined wake-up signal B on carrier B;
If the combined wake-up signal B is received on the carrier B, the mobile terminal does not monitor the combined wake-up signal C on the carrier C any more;
after receiving the combined wake-up signal B on the carrier B, the mobile terminal judges a wake-up command included in the combined wake-up signal B based on the size of the wake-up command;
if the combined wake-up signal B is judged to comprise a wake-up command A2, the mobile terminal monitors a downlink control message sent by the base station on a carrier A;
if the combined wake-up signal B is judged not to comprise the wake-up command A2, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier A;
If the combined wake-up signal B is judged to comprise a wake-up command B2, the mobile terminal monitors a downlink control message sent by the base station on a carrier B;
if the combined wake-up signal B is judged not to comprise the wake-up command B2, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier B;
if the combined wake-up signal B is judged to comprise a wake-up command C2, the mobile terminal monitors a downlink control message sent by the base station on a carrier C;
If the combined wake-up signal B is judged not to comprise the wake-up command C2, the mobile terminal does not monitor the carrier C for the downlink control message sent by the base station.
In a preferred embodiment, the method further comprises:
If the combined wake-up signal a is not received on carrier a and the combined wake-up signal B is not received on carrier B, the mobile terminal then attempts to receive the combined wake-up signal C on carrier C.
The invention also provides a base station, which executes the method.
Compared with the prior art, the method has the advantages that aiming at the low power consumption mode operation that the prior art cannot provide high frequency band utilization rate when facing a multi-carrier scene, the method can have high frequency band utilization rate when the multi-carrier operation is performed, the transmission cost can be reduced, and the power consumption of the mobile terminal can be reduced under corresponding conditions.
Drawings
FIG. 1 is a flow chart of a method according to one embodiment of the invention.
FIG. 2 is a signaling flow diagram according to one embodiment of the invention
Fig. 3 is a schematic diagram of a timing structure according to one embodiment of the invention.
Detailed Description
The following detailed description of embodiments of the application is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the application is not limited to the specific embodiments. In the present application, "a", "B", "C", "A1", etc. are not reference numerals, but are labels made to distinguish the individual terms, which function similarly to the "first", "second", etc.
FIG. 1 is a flow chart of a method according to one embodiment of the invention. As shown, the method of the present invention comprises the steps of:
S11: the base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on each carrier of a plurality of carriers, and each carrier of the plurality of carriers has a different configuration of the low power consumption mode;
S12: the base station sends a combined wake-up signal to the mobile terminal on a plurality of carriers, wherein the combined wake-up signal comprises a plurality of wake-up commands for waking up the mobile terminal to start monitoring downlink control information on the plurality of carriers;
S13: after receiving the combined wake-up signal, the mobile terminal starts to monitor downlink control information on the corresponding carrier corresponding to the wake-up command;
S14: after the downlink control information is monitored on the corresponding carrier corresponding to the wake-up command, the mobile terminal enters the low power consumption mode of the corresponding carrier corresponding to the wake-up command again.
In a specific embodiment, the number of carriers is 3, which is configured as one anchor carrier and two non-anchor carriers, it should be understood by those skilled in the art that in the context of multiple carriers in the present application, each carrier is a Component Carrier (CC) in carrier aggregation, and in this example, the method of the present application includes:
The base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on a carrier A, the configuration of a low power consumption mode on a carrier B and the configuration of a low power consumption mode on a carrier C, and the configuration of the low power consumption mode on the carrier A, the configuration of the low power consumption mode on the carrier B and the configuration of the low power consumption mode on the carrier C are different; in one example, the base station transmits a low power consumption mode configuration message to the mobile terminal through RRC signaling, as shown in fig. 2;
If the base station is to transmit low priority downlink data, the base station determines the signal quality on carrier a, the signal quality on carrier B, and the signal quality on carrier C; in one example, low priority downlink data may refer to data that is insensitive to latency, e.g., some data is insensitive to transmission latency of 1s or even 5s, which may be defined as low priority data;
if the signal quality on the carrier A is determined to be the highest, the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, wherein the combined wake-up signal A comprises one of the following items: a wake-up command A1 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B1 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C1 for waking up the mobile terminal to start monitoring downlink control information on a carrier C; it will be appreciated by those skilled in the art that if the base station transmits a combined wake-up signal a to the mobile terminal on carrier a, the base station no longer transmits a combined wake-up signal B to the mobile terminal on carrier B and also no longer transmits a combined wake-up signal C to the mobile terminal on carrier C; in the prior art similar to the background art, the low power consumption mode in the multi-carrier scenario is generally that the base station requires the UE to perform the low power consumption mode on one carrier, periodically monitor the PDCCH message or the wake-up signal (WUS), and simultaneously requires the UE to continuously not monitor the PDCCH message on other component carriers, and only after the UE monitors the PDCCH message or the wake-up signal on a predetermined carrier, the UE determines whether to monitor the PDCCH message on the other component carriers according to the scheduling message on the predetermined carrier; in the technology, the base station schedules the message on the carrier B possibly, but the base station still needs to send a wake-up signal on the carrier A, then sends the scheduling message on the carrier A, and then can send the message to the UE on the carrier B, so that the operation delay is larger, and aiming at the scene of aggregation of three carriers and more carriers, the base station needs to send the scheduling information on the carrier A for multiple times to activate other carriers respectively, so that the information transmission redundancy is large and the delay is large; preferably, the wake-up command A1, the wake-up command B1 and the wake-up command C1 have different sizes, in one embodiment, the size of the wake-up command can be changed by adding redundancy bits, and the wake-up commands with different sizes help the mobile terminal side avoid the listening error caused by the decoding error; the wake-up command A1, the wake-up command B1 and the wake-up command C1 are simultaneously sent in one message, so that redundancy expenditure can be reduced, for example, if the wake-up command is respectively sent in three times, three sets of information headers, three sets of CRC and other redundant messages are needed, if the three information are combined into one message to be sent, only one header and one set of CRC are needed for one message, and thus the whole system is complex to decode, but the transmission efficiency is improved;
If it is determined that the signal quality on carrier B is highest, the base station transmits a combined wake-up signal B to the mobile terminal on carrier B, wherein the combined wake-up signal B includes one of: a wake-up command A2 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B2 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C2 for waking up the mobile terminal to start monitoring downlink control information on a carrier C; it will be appreciated by those skilled in the art that if the base station transmits a combined wake-up signal B to the mobile terminal on carrier B, the base station no longer transmits a combined wake-up signal a to the mobile terminal on carrier a and also no longer transmits a combined wake-up signal C to the mobile terminal on carrier C;
wherein, the wake-up command A2, the wake-up command B2 and the wake-up command C2 have different sizes;
If it is determined that the signal quality on the carrier C is highest, the base station transmits a combined wake-up signal C to the mobile terminal on the carrier C, wherein the combined wake-up signal C includes one of: a wake-up command A3 for waking up the mobile terminal to start monitoring downlink control information on the carrier A, a wake-up command B3 for waking up the mobile terminal to start monitoring downlink control information on the carrier B, and a wake-up command C3 for waking up the mobile terminal to start monitoring downlink control information on the carrier C;
Wherein, wake-up command A3, wake-up command B3 and wake-up command C3 have different sizes. In this embodiment, the method of the present application can bring a gain of reducing power consumption, in terms of probability, the highest probability of the signal quality of the carrier a is 33%, but in the present application, the base station is required to send the combined wake-up signal on different carriers in the sequence of the necessary time, assuming that the combined wake-up signal a is sent on the carrier a first occurs, at this time, the mobile terminal has 33% of the chance to hear the combined wake-up signal a when first listening to the carrier a, if the mobile terminal hears the combined wake-up signal a when first listening to the carrier a, the mobile terminal does not need to monitor the combined wake-up signals B and C sent later, so that the mobile terminal can further save electric energy.
In a preferred embodiment, the method further comprises:
If the base station is to transmit the downlink data with high priority, the base station determines the sequence of the transmission opportunity of the combined wake-up signal on the carrier A, the transmission opportunity of the combined wake-up signal on the carrier B and the transmission opportunity of the combined wake-up signal on the carrier C; in one embodiment, the high priority data may be time-sensitive data;
If the combined wake-up signal sending time on the carrier A is determined to happen first, the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, wherein the combined wake-up signal A comprises one of the following items: a wake-up command A1 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B1 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C1 for waking up the mobile terminal to start monitoring downlink control information on a carrier C; it should be understood by those skilled in the art that the first occurrence of the transmission opportunity of the combined wake-up signal on carrier a means that on the mobile terminal side, the mobile terminal first tries to monitor the combined wake-up signal a on carrier a, and as for the specific transmission order of the combined wake-up signals on carriers a-C, it can be indicated to the mobile terminal via a low power consumption mode configuration message; likewise, it will be understood by those skilled in the art that if the base station transmits a combined wake-up signal a to the mobile terminal on carrier a, the base station no longer transmits a combined wake-up signal B to the mobile terminal on carrier B and also no longer transmits a combined wake-up signal C to the mobile terminal on carrier C; in one embodiment, for example, the base station transmits the combined wake-up signal a on the first OFDM symbol of a certain time slot on the carrier a, transmits the combined wake-up signal B on the thirteenth OFDM symbol of a certain time slot on the carrier B (the time on the carrier a and the time on the carrier B are aligned), then the combined wake-up signal transmission opportunity on the carrier a is considered to occur first;
the wake-up command A1, the wake-up command B1 and the wake-up command C1 have different sizes.
If it is determined that the combined wake-up signal transmission opportunity on the carrier B occurs first, the base station transmits a combined wake-up signal B to the mobile terminal on the carrier B, wherein the combined wake-up signal B includes one of the following: a wake-up command A2 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B2 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C2 for waking up the mobile terminal to start monitoring downlink control information on a carrier C; it will be appreciated by those skilled in the art that if the base station transmits a combined wake-up signal B to the mobile terminal on carrier B, the base station no longer transmits a combined wake-up signal a to the mobile terminal on carrier a and also no longer transmits a combined wake-up signal C to the mobile terminal on carrier C; in one embodiment, the base station may flexibly configure the transmission timing of the combined wake-up signal on each carrier by sending a low power consumption mode configuration message, for example, in the n-th sent low power consumption mode configuration message, the combined wake-up signal on the carrier a is indicated to be sent first, and in the n+1th sent low power consumption mode configuration message, the combined wake-up signal on the carrier B is indicated to be sent first, which should be understood by those skilled in the art, if the mobile terminal receives the low power consumption mode configuration messages with different contents in sequence, the mobile terminal operates based on the contents in the later received low power consumption mode configuration messages; wherein, the wake-up command A2, the wake-up command B2 and the wake-up command C2 have different sizes;
If the combined wake-up signal sending occasion on the carrier C is determined to happen first, the base station sends a combined wake-up signal C to the mobile terminal on the carrier C, wherein the combined wake-up signal C comprises one of the following: a wake-up command A3 for waking up the mobile terminal to start monitoring downlink control information on the carrier A, a wake-up command B3 for waking up the mobile terminal to start monitoring downlink control information on the carrier B, and a wake-up command C3 for waking up the mobile terminal to start monitoring downlink control information on the carrier C; wherein, wake-up command A3, wake-up command B3 and wake-up command C3 have different sizes. In this embodiment, since the mobile terminal must receive the combined wake-up signal at the combined wake-up signal listening occasion that occurs first in time, and then the mobile terminal does not need to monitor the combined wake-up signal on other carriers, the mobile terminal must obtain a gain that reduces the listening time and prolongs the battery usage time when it is woken up.
In a preferred embodiment, the configuration of the low power consumption mode on the carrier a, the configuration of the low power consumption mode on the carrier B, and the configuration of the low power consumption mode on the carrier C are specifically:
The low power consumption mode on carrier a is configured to: the mobile terminal listens for the combined wake-up signal a transmitted by the base station in a period A1 in the periodic period a, and does not listen for the combined wake-up signal a any more for the remaining time in the periodic period a;
The low power consumption mode on carrier B is configured to: the mobile terminal listens for the combined wake-up signal B transmitted by the base station in a period B1 in the periodic period B, and does not listen for the combined wake-up signal B for the remaining time in the periodic period B;
The low power consumption mode on carrier C is configured to: the mobile terminal listens for the combined wake-up signal C transmitted by the base station in a period C1 in the periodic period C, and does not listen for the combined wake-up signal C any more for the remaining time in the periodic period C;
The length of the periodic period a is different from the length of the periodic period B, the length of the periodic period B is different from the length of the periodic period C, the length of the period A1 is different from the length of the period B1, and the length of the period B1 is different from the length of the period C1. In an embodiment, in which the starting times of the periodic periods a-C are different, the mobile terminal listens for the downlink control message sent by the base station for the remaining time of the periodic period a (i.e., the period during which the period A1 was planed out in the periodic period a), the timing structure diagram is shown in fig. 3, the dashed box shows a total cycle period, and after the end of the total cycle period, the next periodic period can be started; in this embodiment, the length of periodic period a may span multiple TTIs, the length of periodic period B may span multiple TTIs, and the length of periodic period C may span multiple TTIs;
in a preferred embodiment, the method further comprises:
the mobile terminal first tries to receive a combined wake-up signal a on carrier a;
if the combined wake-up signal a is received on carrier a, the mobile terminal no longer listens for the combined wake-up signal B on carrier B and no longer listens for the combined wake-up signal C on carrier C;
after receiving the combined wake-up signal A on the carrier A, the mobile terminal judges a wake-up command included in the combined wake-up signal A based on the size of the wake-up command;
If the combined wake-up signal A is judged to comprise a wake-up command A1, the mobile terminal monitors a downlink control message sent by the base station on a carrier A;
if the combined wake-up signal A is judged not to comprise the wake-up command A1, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier A;
If the combined wake-up signal A is judged to comprise a wake-up command B1, the mobile terminal monitors a downlink control message sent by the base station on a carrier B;
If the combined wake-up signal A is judged not to comprise the wake-up command B1, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier B;
if the combined wake-up signal A is judged to comprise a wake-up command C1, the mobile terminal monitors a downlink control message sent by the base station on a carrier C;
if the combined wake-up signal A is judged not to comprise the wake-up command C1, the mobile terminal does not monitor the carrier C for the downlink control message sent by the base station.
In a preferred embodiment, the method further comprises:
If the combined wake-up signal a is not received on carrier a, the mobile terminal then attempts to receive the combined wake-up signal B on carrier B;
If the combined wake-up signal B is received on the carrier B, the mobile terminal does not monitor the combined wake-up signal C on the carrier C any more;
after receiving the combined wake-up signal B on the carrier B, the mobile terminal judges a wake-up command included in the combined wake-up signal B based on the size of the wake-up command;
if the combined wake-up signal B is judged to comprise a wake-up command A2, the mobile terminal monitors a downlink control message sent by the base station on a carrier A;
if the combined wake-up signal B is judged not to comprise the wake-up command A2, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier A;
If the combined wake-up signal B is judged to comprise a wake-up command B2, the mobile terminal monitors a downlink control message sent by the base station on a carrier B;
if the combined wake-up signal B is judged not to comprise the wake-up command B2, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier B;
if the combined wake-up signal B is judged to comprise a wake-up command C2, the mobile terminal monitors a downlink control message sent by the base station on a carrier C;
If the combined wake-up signal B is judged not to comprise the wake-up command C2, the mobile terminal does not monitor the carrier C for the downlink control message sent by the base station.
In a preferred embodiment, the method further comprises:
If the combined wake-up signal a is not received on carrier a and the combined wake-up signal B is not received on carrier B, the mobile terminal then attempts to receive the combined wake-up signal C on carrier C.
Claims (5)
1. A wireless communication method with high frequency band utilization is characterized in that,
The method comprises the following steps:
The base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on each carrier of a plurality of carriers, and each carrier of the plurality of carriers has the configuration of a different low power consumption mode;
the base station sends a combined wake-up signal to the mobile terminal on a plurality of carriers, wherein the combined wake-up signal comprises a plurality of wake-up commands for waking up the mobile terminal to start monitoring downlink control information on the plurality of carriers;
After receiving the combined wake-up signal, the mobile terminal starts to monitor downlink control information on a corresponding carrier corresponding to a wake-up command;
after the downlink control information is monitored on the corresponding carrier corresponding to the wake-up command, the mobile terminal enters the low power consumption mode of the corresponding carrier corresponding to the wake-up command again,
The number of the plurality of carriers is three, wherein the method comprises the following steps:
The base station sends a low power consumption mode configuration message to the mobile terminal, wherein the low power consumption mode configuration message comprises the configuration of a low power consumption mode on a carrier A, the configuration of a low power consumption mode on a carrier B and the configuration of a low power consumption mode on a carrier C, and the configuration of the low power consumption mode on the carrier A, the configuration of the low power consumption mode on the carrier B and the configuration of the low power consumption mode on the carrier C are different;
If the base station is to transmit low priority downlink data, the base station determines the signal quality on carrier a, the signal quality on carrier B, and the signal quality on carrier C;
If the signal quality on the carrier A is determined to be the highest, the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, wherein the combined wake-up signal A comprises one of the following components: a wake-up command A1 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B1 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C1 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
Wherein, the wake-up command A1, the wake-up command B1 and the wake-up command C1 have different sizes;
If the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, the base station does not send a combined wake-up signal B to the mobile terminal on the carrier B any more and does not send a combined wake-up signal C to the mobile terminal on the carrier C any more;
If the base station is to transmit the downlink data with high priority, the base station determines the sequence of the transmission opportunity of the combined wake-up signal on the carrier A, the transmission opportunity of the combined wake-up signal on the carrier B and the transmission opportunity of the combined wake-up signal on the carrier C;
If the combined wake-up signal sending time on the carrier A is determined to happen first, the base station sends a combined wake-up signal A to the mobile terminal on the carrier A, wherein the combined wake-up signal A comprises one of the following components: a wake-up command A1 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B1 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C1 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
Wherein, the wake-up command A1, the wake-up command B1 and the wake-up command C1 have different sizes;
the mobile terminal first tries to receive a combined wake-up signal a on carrier a;
if the combined wake-up signal a is received on carrier a, the mobile terminal no longer listens for the combined wake-up signal B on carrier B and no longer listens for the combined wake-up signal C on carrier C;
after receiving the combined wake-up signal A on the carrier A, the mobile terminal judges a wake-up command included in the combined wake-up signal A based on the size of the wake-up command;
If the combined wake-up signal A is judged to comprise a wake-up command A1, the mobile terminal monitors a downlink control message sent by the base station on a carrier A;
if the combined wake-up signal A is judged not to comprise the wake-up command A1, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier A;
If the combined wake-up signal A is judged to comprise a wake-up command B1, the mobile terminal monitors a downlink control message sent by the base station on a carrier B;
If the combined wake-up signal A is judged not to comprise the wake-up command B1, the mobile terminal does not monitor the downlink control message sent by the base station on the carrier B;
if the combined wake-up signal A is judged to comprise a wake-up command C1, the mobile terminal monitors a downlink control message sent by the base station on a carrier C;
if the combined wake-up signal A is judged not to comprise the wake-up command C1, the mobile terminal does not monitor the carrier C for the downlink control message sent by the base station.
2. The high-band-utilization wireless communication method of claim 1, wherein,
The method further comprises the steps of:
If the signal quality on the carrier B is determined to be the highest, the base station transmits a combined wake-up signal B to the mobile terminal on the carrier B, wherein the combined wake-up signal B comprises one of the following: a wake-up command A2 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B2 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C2 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
wherein, the wake-up command A2, the wake-up command B2 and the wake-up command C2 have different sizes;
If the signal quality on the carrier C is determined to be the highest, the base station transmits a combined wake-up signal C to the mobile terminal on the carrier C, wherein the combined wake-up signal C comprises one of the following components: a wake-up command A3 for waking up the mobile terminal to start monitoring downlink control information on the carrier A, a wake-up command B3 for waking up the mobile terminal to start monitoring downlink control information on the carrier B, and a wake-up command C3 for waking up the mobile terminal to start monitoring downlink control information on the carrier C;
Wherein, wake-up command A3, wake-up command B3 and wake-up command C3 have different sizes.
3. The high-band-utilization wireless communication method of claim 2, wherein,
The method further comprises the steps of:
If the combined wake-up signal sending opportunity on the carrier B is determined to happen first, the base station sends a combined wake-up signal B to the mobile terminal on the carrier B, wherein the combined wake-up signal B comprises one of the following components: a wake-up command A2 for waking up the mobile terminal to start monitoring downlink control information on a carrier A, a wake-up command B2 for waking up the mobile terminal to start monitoring downlink control information on a carrier B, and a wake-up command C2 for waking up the mobile terminal to start monitoring downlink control information on a carrier C;
wherein, the wake-up command A2, the wake-up command B2 and the wake-up command C2 have different sizes;
If the combined wake-up signal sending opportunity on the carrier C is determined to happen first, the base station sends a combined wake-up signal C to the mobile terminal on the carrier C, wherein the combined wake-up signal C comprises one of the following components: a wake-up command A3 for waking up the mobile terminal to start monitoring downlink control information on the carrier A, a wake-up command B3 for waking up the mobile terminal to start monitoring downlink control information on the carrier B, and a wake-up command C3 for waking up the mobile terminal to start monitoring downlink control information on the carrier C;
Wherein, wake-up command A3, wake-up command B3 and wake-up command C3 have different sizes.
4. The high-band-utilization wireless communication method of claim 3, wherein,
The configuration of the low power consumption mode on carrier a, the configuration of the low power consumption mode on carrier B, and the configuration of the low power consumption mode on carrier C are specifically:
The low power consumption mode on carrier a is configured to: the mobile terminal listens for the combined wake-up signal a transmitted by the base station in a period A1 in the periodic period a, and does not listen for the combined wake-up signal a any more for the remaining time in the periodic period a;
The low power consumption mode on carrier B is configured to: the mobile terminal listens for the combined wake-up signal B transmitted by the base station in a period B1 in the periodic period B, and does not listen for the combined wake-up signal B for the remaining time in the periodic period B;
The low power consumption mode on carrier C is configured to: the mobile terminal listens for the combined wake-up signal C transmitted by the base station in a period C1 in the periodic period C, and does not listen for the combined wake-up signal C any more for the remaining time in the periodic period C;
Wherein the length of the periodic period a is different from the length of the periodic period B, the length of the periodic period B is different from the length of the periodic period C, the length of the period A1 is different from the length of the period B1, and the length of the period B1 is different from the length of the period C1.
5. The high-band-utilization wireless communication method of claim 4, wherein,
The method further comprises the steps of:
If the combined wake-up signal a is not received on carrier a and the combined wake-up signal B is not received on carrier B, the mobile terminal then attempts to receive the combined wake-up signal C on carrier C.
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| US8515481B2 (en) * | 2008-09-05 | 2013-08-20 | Mediatek Inc. | Power management for multi-carrier transmission |
| CN101827426B (en) * | 2009-03-04 | 2013-04-10 | 电信科学技术研究院 | Method and device for monitoring control channel in multi-carrier system |
| EP2701322B1 (en) * | 2011-04-18 | 2016-05-18 | LG Electronics Inc. | Method for controlling power in a wireless communication system adopting a carrier aggregation technique, and apparatus for same |
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