CN101925000A - Method, system and device for controlling terminal to monitor channel - Google Patents

Method, system and device for controlling terminal to monitor channel Download PDF

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Publication number
CN101925000A
CN101925000A CN2009100869618A CN200910086961A CN101925000A CN 101925000 A CN101925000 A CN 101925000A CN 2009100869618 A CN2009100869618 A CN 2009100869618A CN 200910086961 A CN200910086961 A CN 200910086961A CN 101925000 A CN101925000 A CN 101925000A
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mbms
terminal
mcch
interval information
modification
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CN101925000B (en
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梁靖
杨晓东
赵毅
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China Academy of Telecommunications Technology CATT
Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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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
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    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The invention discloses method, system and device for controlling a terminal to monitor a channel, which are used for improving the rationality of UE (User Equipment) resource utilization and reducing resource waste. The method for controlling the terminal to monitor the channel comprises the following steps of: notifying different modified interval information preliminarily set for MBMS (Multimedia Broadcasting Multicast Service) in different service types to the terminal by a network side to control the terminal to monitor the control channel of the MBMS according to the modified interval information required by the terminal and corresponding to the MBMS, wherein the modified interval information corresponding to the MBMS is the time interval information of the control information of the MBMS, and the time interval information of the MBMS is born by the control channel of the MBMS and modified by the network side.

Description

Method, system and device for controlling terminal to monitor channel
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, a system, and an apparatus for controlling a terminal to monitor a channel.
Background
Multimedia Broadcast Multicast Service (MBMS) in a Long Term Evolution (LTE) system is also called evolved MBMS (eMBMS), and its main function is to implement Broadcast and Multicast services in the LTE system. The current MBMS of release 9(R9) is mainly implemented by hybrid cells, i.e. the cell transmitting the MBMS service also transmits unicast service.
eMBMS related logical channels include:
(1) a Broadcast Control Channel (BCCH) for broadcasting system information to a terminal (UE) by a network, wherein the system information is transmitted through the BCCH.
(2) A Multicast Control Channel (MCCH) is a point-to-multipoint (point-to-multipoint) downlink Channel used for a network to transmit MBMS-related Control information to a terminal (UE), and the Channel can be used only by UEs that can receive MBMS services.
(3) A Multicast Traffic Channel (MTCH), which is a point-to-multipoint downlink Channel, is used for a network to transmit MBMS service data to UEs, and only UEs capable of receiving MBMS service can use the MTCH.
One MCCH may correspond to one or more MTCHs. The information of the MTCH is indicated by its corresponding MCCH,
the network uses BCCH to indicate MCCH to UE, and then uses MCCH to indicate MTCH to UE, thus UE can correctly receive MBMS service loaded on MTCH.
In the MCCH transmission method specified in the 3G system, as shown in fig. 1, each small square represents information carried by the MCCH, the information carried by the MCCH is transmitted in the modification period of the MCCH and the repetition period of the MCCH, the information carried by the MCCH is not changed in the modification period of the MCCH and is retransmitted in the repetition period of the MCCH, and the UE can receive a plurality of identical information in the modification period of the MCCH, and the information carried by the MCCH can be correctly decoded as long as the information is correctly received once. The information carried by the MCCH may be different but may also be the same between different modification periods of the MCCH, i.e. when each modification period of the MCCH comes, the network may or may not modify the information carried by the MCCH.
In addition, it is proposed in the UTE system that, in order to acquire the latest information carried by the MCCH in time, the UE needs to monitor the MCCH periodically, that is, monitor the MCCH when the modification period of each MCCH arrives. The modification period of the MCCH is generally several seconds, and the modification periods of the MCCH corresponding to various service types are the same, and for a service type with a very low update frequency of information carried by the MCCH, the UE monitors the MCCH every few seconds according to the modification period, so the UE performs unnecessary operation of repeatedly reading the MCCH, which greatly wastes UE resources.
Disclosure of Invention
The embodiment of the invention provides a method, a system and a device for controlling a terminal to monitor a channel, which are used for reasonably utilizing UE (user equipment) resources and reducing resource waste.
The method for controlling the terminal to monitor the channel provided by the embodiment of the invention comprises the following steps:
the network side informs the terminal of different modification interval information preset for multimedia broadcast multicast service MBMS of different service types so as to control the terminal to monitor a control channel of the MBMS according to the modification interval information corresponding to the MBMS required by the terminal;
wherein, the modification interval information corresponding to the MBMS is the time interval information of the MBMS control information carried by the control channel of the MBMS modified by the network side
The method for monitoring the channel provided by the embodiment of the invention comprises the following steps:
the terminal determines the multimedia broadcast multicast service MBMS required by the terminal;
the terminal acquires modification interval information corresponding to the MBMS from a network side, wherein the modification interval information corresponding to the MBMS is time interval information of the MBMS carried by a control channel of the MBMS modified by the network side;
and the terminal monitors the control channel of the MBMS according to the modification interval information.
The base station provided by the embodiment of the invention comprises:
the storage unit is used for storing different modification interval information which is preset for Multimedia Broadcast Multicast Services (MBMS) of different service types, wherein the modification interval information corresponding to the MBMS is time interval information for modifying the control information of the MBMS which is loaded through a control channel of the MBMS;
and the notification unit is used for notifying the terminal of different modification interval information corresponding to the MBMS with different service types.
The communication system provided by the embodiment of the invention comprises:
the base station is used for notifying different modification interval information corresponding to the multimedia broadcast multicast service MBMS of different service types to the terminal; wherein, the modification interval information corresponding to the MBMS is the time interval information for modifying the control information of the MBMS carried by the control channel of the MBMS;
and the terminal is used for acquiring the modification interval information corresponding to the MBMS required by the terminal from the base station and monitoring the control channel of the MBMS according to the modification interval information corresponding to the MBMS required by the terminal.
The terminal provided by the embodiment of the invention comprises:
an MBMS determining unit, configured to determine a multimedia broadcast multicast service MBMS required by the terminal;
a modification interval information obtaining unit, configured to obtain modification interval information corresponding to the MBMS from a network side, where the modification interval information corresponding to the MBMS is time interval information of a control information of the MBMS, which is carried by a control channel of the MBMS and is modified by the network side;
and the MCCH monitoring unit is used for monitoring a control channel of the MBMS according to the modification interval information.
In the embodiment of the invention, the network side informs the terminal of different modification interval information corresponding to the MBMS with different service types, so that the control terminal monitors the control channel of the MBMS according to the modification interval information corresponding to the MBMS required by the terminal, and the UE can select the moment of monitoring the MCCH according to the MBMS required by the UE and does not need to monitor the control channel of the MBMS in the modification period of the control channel of each MBMS, thereby the UE reasonably utilizes resources and greatly saves the UE resources.
Drawings
Figure 1 is a schematic diagram illustrating a relationship between a modification period and a repetition period of an MCCH in the prior art;
fig. 2 is a flowchart illustrating an overall method for a terminal to monitor an MCCH according to an embodiment of the present invention;
fig. 3 is a schematic view of session duration of services such as streaming media provided in an embodiment of the present invention;
fig. 4 is a schematic view of session duration of services such as MMS provided in the embodiment of the present invention;
fig. 5 is a schematic view of session duration of services such as weather forecast provided in the embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a monitoring method of a UE on an MCCH in embodiment 1 according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a monitoring method of a UE on an MCCH in embodiment 2 according to an embodiment of the present invention;
fig. 8 is a schematic diagram illustrating a monitoring method of a UE on an MCCH in embodiment 3 according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a communication system according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a method, a system and a device for controlling a terminal to monitor a channel, which are used for improving the rationality of UE resource utilization and reducing resource waste.
The channel monitored by the terminal in the embodiment of the invention is a control channel of the MBMS, namely the MCCH, and the technical scheme provided by the embodiment of the invention can be used for controlling the terminal to monitor other types of control channels except the MCCH.
The control information of the MBMS is transmitted through the MCCH, the method for controlling the UE to monitor the MCCH is provided by the embodiment of the invention, so that the information carried by the MCCH (control information of the MBMS) is acquired.
In the embodiment of the invention, the network side sets different modification interval information aiming at the MBMS with different service types in advance, and the base station can inform the UE of the different modification interval information corresponding to the MBMS with different service types, so that the UE receiving the MBMS with different service types can monitor the MCCH only according to the modification interval information corresponding to the MBMS which needs to be received by the UE, and the MCCH does not need to be monitored in the modification period of each MCCH. Wherein, the modification interval information corresponding to the MBMS is time interval information for modifying, by the network side, the control information of the MBMS carried through the MCCH.
The network side sets different modification interval information for the MBMS of different service types in advance, and may configure different counters (counters) or timers for the MBMS of different service types. The counter may count the number of the repetition period of the MCCH, or count the number of the modification period of the MCCH, and is used to indicate the starting time at which the UE monitors the MCCH to be notified to the UE by the network side. Therefore, the UE may perform Discontinuous Reception (DRX) on the MCCH when there is no service that the UE desires to receive, where DRX refers to discontinuous reception of downlink scheduling and downlink data by the UE, and when downlink data (here, MCCH data) does not need to be received, the UE may be in a sleep (sleep) state, so as to achieve the purpose of saving power and reduce power consumption.
The technical solution provided by the embodiment of the present invention is explained below with reference to the accompanying drawings.
Referring to fig. 2, an overall method for a UE to monitor an MCCH provided in the embodiment of the present invention includes:
s101, the network side informs the terminal of different modification interval information preset for the MBMS of different service types.
S102, the terminal determines the MBMS required by the terminal and acquires the modification interval information corresponding to the MBMS from the network side.
S103, the terminal monitors the MCCH according to the modification interval information corresponding to the MBMS required by the terminal.
Preferably, the network side notifies the terminal of different modification interval information set for the MBMS of different service types through BCCH.
Preferably, step S101 includes:
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the counter and the modification period of the MCCH, so that the terminal can determine the size of the counter corresponding to the MBMS required by the terminal according to the MBMS identification corresponding to the MBMS required by the terminal, and determine the modification interval of the MCCH according to the size of the counter and the modification period of the MCCH, namely, the time interval of modifying the control information of the MBMS borne by the MCCH by the network side is determined, and then the MCCH is monitored once every other modification interval of the MCCH from the initial moment of monitoring the MCCH, and DRX can be carried out in other time periods.
The MCCH modification period refers to a time interval at which the network side may modify the control information of the MBMS carried by the MCCH, that is, when the MCCH modification period comes, the network side may modify the control information of the MBMS carried by the MCCH and may not modify the control information of the MBMS carried by the MCCH. The MCCH modification interval is a time interval during which the network side actually modifies the MBMS control information carried in the MCCH, and is generally greater than and integer times the MCCH modification period.
Alternatively, step S101 includes:
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the counter and the repetition period of the MCCH, so that the terminal can determine the size of the counter corresponding to the MBMS required by the terminal according to the MBMS identification corresponding to the MBMS required by the terminal, and determine the modification interval of the MCCH according to the size of the counter and the repetition period of the MCCH.
The MCCH repetition period, as shown in fig. 1, refers to a time interval at which the network side repeatedly transmits the control information of the same MBMS in each MCCH modification period. Generally, the modification period of the MCCH is greater than the repetition period of the MCCH and is an integer multiple of the repetition period of the MCCH.
Alternatively, step S101 includes:
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the timer, so that the terminal can determine the size of the timer corresponding to the MBMS required by the terminal according to the MBMS identification corresponding to the MBMS required by the terminal, and determine the modification interval of the MCCH according to the size of the timer.
Preferably, the network side may notify the terminal of the starting time of the terminal monitoring the MCCH, and certainly, the network side and the terminal may also define the starting time of monitoring the MCCH in advance.
Alternatively, step S101 includes:
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the timer and the modification period of the MCCH, so that the terminal can determine the size of the timer corresponding to the MBMS required by the terminal according to the MBMS identification corresponding to the MBMS required by the terminal and determine the modification interval of the MCCH according to the size of the timer. In addition, under the condition that the network side notifies the terminal of the initial moment of the terminal monitoring the MCCH, the terminal can further determine the initial moment of monitoring the MCCH according to the modification period of the MCCH, namely if the initial moment of monitoring the MCCH indicated by the network side is exactly integral multiple of the modification period of the MCCH, the terminal can start to monitor the MCCH at the initial moment of monitoring the MCCH indicated by the network side; otherwise, when the modification period of the first MCCH comes after the starting time of monitoring the MCCH indicated by the network side, the MCCH starts to be monitored.
The following is an example of modification intervals of different MCCHs corresponding to different service types.
eMBMS may provide multiple types of services, assuming: the streaming media belongs to a first service type, the file download belongs to a second service type, and the weather forecast belongs to a third service type.
1. A first traffic type, such as: television programs, sports broadcasts.
Referring to fig. 3, a session of such a service typically lasts for several hours, such as: a session corresponding to a tv channel may last from morning to evening, and a session corresponding to a sports game typically lasts for more than an hour. That is, the MCCH may change only a few times a day.
The first service type has a long duration, and the change frequency of the information carried by the corresponding MCCH is low. That is, the modification interval of the MCCH for such a service is in units of hours, and the MCCH may be changed only several times in a day.
2. A second traffic type, such as: multimedia Messaging Service (MMS).
Considering LTE system capabilities and typical file sizes, referring to fig. 4, the download time of most files is typically a few seconds or minutes, so the session time for this type of traffic is short. That is, the frequency of modification of the information carried by the MCCH is not too high, for example: every half hour or every hour.
The duration of the second service type is short, and the change frequency of the information carried by the corresponding MCCH is high. That is, the modification interval of the MCCH for such a service is several seconds or several minutes.
3. A third traffic type, such as: news flash, match information, traffic information, weather forecast, etc.
Referring to fig. 5, since the amount of data transmitted by this type of service is small, the session duration is short, and the information of the corresponding MCCH bearer is usually updated regularly, such as: for a few minutes or half an hour. The update frequency of the information carried by the MCCH for such services may be in units of seconds or minutes, that is, the update frequency of the information carried by the MCCH is relatively high, for example: every 5 minutes or every half hour.
The duration of the third service type is short, and the change frequency of the information carried by the corresponding MCCH is very high. That is, the modification interval of the MCCH for such a service is short.
Since the respective characteristics of these services are different, the requirements for MCCH are also different, and are summarized in the following table:
Figure B2009100869618D0000081
according to the user requirement, the modification delay of the MCCH bearer information that can be tolerated by the user means that during the delay, the UE needs to read the latest MCCH bearer information so as not to affect the subsequent service reception, that is, the modification period of the MCCH also needs to be in the order of seconds to meet the user requirement.
Three specific examples are given below.
Example 1: and the UE determines the modification interval of the MCCH through the counter and the modification period of the MCCH.
The network side provides two types of services (each type of service comprises 1 or more services with similar characteristics), the duration of the first type of service is long and is changed once every 1 hour, and the duration of the second type of service is short and is changed once every 60 seconds. The MCCH contains control information of these two types of services, the modification period of the MCCH is 320 milliseconds (ms), and the base station sends the modification period of the MCCH and the specific content of the MCCH to the UE.
And the network side allocates different counters for different types of services. The Counter (Counter1) of the first type of service is 20, and the base station can only modify the control information of the first type of service carried by the MCCH every 20 modification periods of the MCCH, that is, the modification interval of the MCCH corresponding to the first type of service is: counter1 × modification period of MCCH.
The Counter (Counter2) of the second type of service is 5, and the base station can only modify the control information of the second type of service carried by the MCCH every 5 modification periods, that is, the modification interval of the MCCH corresponding to the second type of service is: counter2 × modification period of MCCH.
The base station sends the counter sizes of the two types of services and the service identifications (namely MBMS identifications) corresponding to the counter sizes to the UE through BCCH.
In addition, the base station may also indicate the starting time of monitoring the MCCH corresponding to different service types to the UE, that is, send the starting time of monitoring the control information of the two types of services to the UE. The starting time of monitoring the control information of the two types of services may be the same or different, for example, the MCCH may be monitored from a radio frame with SFN equal to 0.
Referring to fig. 6, assuming that a first UE is receiving a specific service of a first type of service (referred to as service a) and a second UE is receiving a specific service of a second type of service (referred to as service B), the first UE reads an MCCH once every modification period of Counter1 MCCHs (20 × 320ms ═ 6.4 seconds) from a start time (SFN ═ 0) after obtaining the modification period of the MCCH, the Counter1 corresponding to service a and the start time of monitoring control information of the service. And after obtaining the modification period of the MCCH, the Counter2 corresponding to the service B, and the start time of monitoring the control information of the service, the second UE reads the MCCH once every modification period of the Counter2 MCCH (5 × 320ms ═ 1.6 seconds) from the start time (SFN ═ 0). Therefore, the first UE and the second UE can receive the DRX of the MCCH according to the concerned service so as to achieve the purpose of saving electricity.
Example 2: and the UE determines the modification interval of the MCCH through the counter and the repetition period of the MCCH.
The same basic conditions as in embodiment 1, but the number of repetition periods of the MCCH, not the number of modification periods of the MCCH, is calculated by the counter.
The network side provides two types of services (each type of service comprises 1 or more services with similar characteristics), the duration of the first type of service is long and is changed once every 1 hour, and the duration of the second type of service is short and is changed once every 60 seconds. The MCCH contains information of these two types of services, the repetition period of the MCCH is 160ms, and the base station sends the repetition period of the MCCH and the specific contents of the MCCH to the UE.
And the network side allocates different counters for different types of services. The Counter1 of the first type of service is 40, and the base station can only modify the control information of the first type of service carried by the MCCH every 40 repetition periods, that is, the modification interval of the MCCH corresponding to the first type of service is: counter1 × MCCH repetition period.
The Counter2 of the second type of service is 10, and the base station can only modify the control information of the second type of service carried by the MCCH every 10 repetition periods, that is, the modification interval of the MCCH corresponding to the second type of service is: counter2 × MCCH repetition period.
The base station sends the counter sizes of the two types of services and the service identifications (namely MBMS identifications) corresponding to the counter sizes to the UE through BCCH.
In addition, the base station may also indicate the starting time of monitoring the MCCH corresponding to different service types to the UE, that is, send the starting time of monitoring the control information of the two types of services to the UE. The starting time of monitoring the control information of the two types of services may be the same or different, for example, the MCCH may be monitored from a radio frame with SFN equal to 0.
Referring to fig. 7, assuming that a first UE is receiving a specific service of a first type of service (referred to as service a) and a second UE is receiving a specific service of a second type of service (referred to as service B), the first UE reads an MCCH every repetition period of Counter1 MCCH (40 × 160ms ═ 6.4 seconds) from a start time (SFN ═ 0) after obtaining the repetition period of the MCCH, Counter1 corresponding to service a, and the start time of listening to control information of the service. And after obtaining the repetition period of the MCCH, the Counter2 corresponding to the service B, and the start time of monitoring the control information of the service, the second UE reads the MCCH once every repetition period of the Counter2 MCCH (10 × 160ms 1.6 seconds) from the start time (SFN ═ 0). Therefore, the first UE and the second UE can receive the DRX of the MCCH according to the concerned service so as to achieve the purpose of saving electricity.
Example 3: the UE determines the modification interval of the MCCH solely by a Timer (Timer).
The basic conditions are the same as those of embodiments 1 and 2, but a timer is used to determine the timing of listening to the MCCH.
The network side provides two types of services (each type of service comprises 1 or more services with similar characteristics), the duration of the first type of service is long and is changed once every 1 hour, and the duration of the second type of service is short and is changed once every 60 seconds. The MCCH contains control information of the two types of services, the modification period of the MCCH is 320ms, and the base station sends the modification period of the MCCH and specific contents of the MCCH to the UE.
And the network side allocates different timers for different types of services, the Timer (Timer1) of the first type of service is 6.4 seconds, the base station can only modify the control information of the first type of service carried by the MCCH every other time of Timer1 (i.e. the modification interval of the first type of service is Timer1), the Timer (Timer2) of the second type of service is 1.6 seconds, the base station can only modify the control information of the second type of service carried by the MCCH every other time of Timer2 (i.e. the modification interval of the second type of service is Timer2), and the base station sends the sizes of the two timers and the service identifiers (i.e. MBMS identifiers) corresponding to the timers to the UE through the BCCH.
In addition, the base station may also indicate the starting time of monitoring the MCCH corresponding to different service types to the UE, that is, send the starting time of monitoring the control information of the two types of services to the UE. The starting time of monitoring the control information of the two types of services may be the same or different, for example, the MCCH may be monitored from a radio frame with SFN equal to 0.
Referring to fig. 8, assuming that a first UE is receiving a specific service of a first type of service (referred to as service a) and a second UE is receiving a specific service of a second type of service (referred to as service B), after obtaining Timer1 corresponding to service a and determining a start time of monitoring control information of the service according to a modification period of the MCCH and a start time of monitoring the MCCH indicated by the network side, the first UE reads the MCCH every Timer1(6.4 seconds) from the start time (for example, SFN ═ 0). And after obtaining Timer2 corresponding to service B and determining the start time of monitoring the control information of the service according to the modification period of the MCCH and the start time of monitoring the MCCH indicated by the network side, the second UE reads the MCCH once every Timer2(1.6 seconds) from the start time (for example, SFN ═ 0). Therefore, the first UE and the second UE can receive the DRX of the MCCH according to the concerned service so as to achieve the purpose of saving electricity.
Referring to fig. 9, a communication system provided in an embodiment of the present invention includes: a base station 10 and at least one terminal 20.
A base station 10, configured to notify different modification interval information corresponding to MBMS of different service types to a terminal 20; the modification interval information corresponding to the MBMS is time interval information for modifying the control information of the MBMS carried through the MCCH.
The terminal 20 is configured to acquire modification interval information corresponding to the MBMS required by the terminal from the base station 10, and monitor the MCCH according to the modification interval information corresponding to the MBMS required by the terminal.
Preferably, the base station 10 comprises:
a storage unit 11, configured to store different modification interval information preset for MBMS of different service types.
A notifying unit 12, configured to notify the terminal 20 of different modification interval information corresponding to the MBMS of different service types.
Preferably, the notifying unit 12 notifies the modification interval information corresponding to the MBMS to the terminal 20 through a broadcast control channel BCCH.
Preferably, the notifying unit 12 notifies the terminal 20 of the correspondence between the MBMS identifier and the counter size and the modification period of the MCCH; or,
the notification unit 12 notifies the terminal 20 of the correspondence between the MBMS identifier and the counter size and the repetition period of the MCCH; or,
the notification unit 12 notifies the terminal 20 of the correspondence between the MBMS identifier and the timer size; or,
the notification unit 12 notifies the terminal 20 of the correspondence between the MBMS identifier and the timer size, and the MCCH modification period.
Preferably, the notifying unit 12 is further configured to notify the terminal 20 of a starting time when the terminal monitors the MCCH.
Preferably, referring to fig. 10, the terminal 20 according to the embodiment of the present invention includes:
an MBMS determining unit 201, configured to determine a multimedia broadcast multicast service MBMS required by the terminal 20.
A modification interval information obtaining unit 202, configured to obtain modification interval information corresponding to an MBMS required by a terminal 20 from a network side, where the modification interval information corresponding to the MBMS is time interval information for modifying, by the network side, control information of the MBMS carried through an MCCH.
The MCCH monitoring unit 203 is configured to monitor the MCCH according to the modification interval information corresponding to the MBMS required by the terminal 20.
In summary, in the embodiments of the present invention, the network side notifies the terminal of different modification interval information corresponding to the MBMS of different service types, so as to control the terminal to monitor the MCCH according to the modification interval information corresponding to the MBMS required by the terminal, so that the UE can select a time for monitoring the MCCH according to the MBMS required by the UE, without monitoring the MCCH in each modification period of the MCCH, thereby making the UE reasonably utilize resources and saving the UE resources to a great extent.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (12)

1. A method for controlling a terminal to listen to a channel, the method comprising:
the network side informs the terminal of different modification interval information preset for multimedia broadcast multicast service MBMS of different service types so as to control the terminal to monitor a control channel of the MBMS according to the modification interval information corresponding to the MBMS required by the terminal;
wherein, the modification interval information corresponding to the MBMS is time interval information of the control information of the MBMS carried by the control channel of the MBMS modified by the network side.
2. The method of claim 1, wherein the control channel of the MBMS is a multicast control channel MCCH.
3. The method of claim 2, wherein the step of the network side notifying the terminal of the different modification interval information set for the MBMS of different service types comprises:
and the network side informs the terminal of different modification interval information set for the MBMS of different service types through a broadcast control channel BCCH.
4. The method of claim 2, wherein the step of the network side notifying the terminal of the different modification interval information set for the MBMS of different service types comprises:
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the counter and the modification period of the MCCH; or,
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the counter and the repetition period of the MCCH; or,
the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the timer; or,
and the network side informs the terminal of the corresponding relation between the MBMS identification and the size of the timer and the modification period of the MCCH.
5. The method of claim 2, 3 or 4, further comprising:
and the network side informs the terminal of the starting time of the terminal monitoring the MCCH.
6. A method for listening to a channel, the method comprising:
the terminal determines the multimedia broadcast multicast service MBMS required by the terminal;
the terminal acquires modification interval information corresponding to the MBMS from a network side, wherein the modification interval information corresponding to the MBMS is time interval information of the MBMS carried by a control channel of the MBMS modified by the network side;
and the terminal monitors the control channel of the MBMS according to the modification interval information.
7. A base station, characterized in that the base station comprises:
the storage unit is used for storing different modification interval information which is preset for Multimedia Broadcast Multicast Services (MBMS) of different service types, wherein the modification interval information corresponding to the MBMS is time interval information for modifying the control information of the MBMS which is loaded through a control channel of the MBMS;
and the notification unit is used for notifying the terminal of different modification interval information corresponding to the MBMS with different service types.
8. The base station of claim 7, wherein the notifying unit notifies the modification interval information corresponding to the MBMS to the terminal through a broadcast control channel BCCH.
9. The base station of claim 7, wherein the control channel of the MBMS is a multicast control channel, MCCH;
the notification unit notifies the corresponding relation between the MBMS identification and the counter size and the modification period of the MCCH to the terminal; or,
the notification unit notifies the terminal of the corresponding relation between the MBMS identification and the size of the counter and the repetition period of the MCCH; or,
the notification unit notifies the terminal of the corresponding relation between the MBMS identification and the size of the timer; or,
and the notification unit notifies the terminal of the corresponding relation between the MBMS identification and the size of the timer and the modification period of the MCCH.
10. The base station according to claim 7, 8 or 9, wherein the notifying unit is further configured to notify the terminal of a starting time of the terminal listening to the control channel of the MBMS.
11. A communication system, the system comprising:
the base station is used for notifying different modification interval information corresponding to the multimedia broadcast multicast service MBMS of different service types to the terminal; wherein, the modification interval information corresponding to the MBMS is the time interval information for modifying the control information of the MBMS carried by the control channel of the MBMS;
and the terminal is used for acquiring the modification interval information corresponding to the MBMS required by the terminal from the base station and monitoring the control channel of the MBMS according to the modification interval information corresponding to the MBMS required by the terminal.
12. A terminal, characterized in that the terminal comprises:
an MBMS determining unit, configured to determine a multimedia broadcast multicast service MBMS required by the terminal;
a modification interval information obtaining unit, configured to obtain modification interval information corresponding to the MBMS from a network side, where the modification interval information corresponding to the MBMS is time interval information of a control information of the MBMS, which is carried by a control channel of the MBMS and is modified by the network side;
and the MCCH monitoring unit is used for monitoring a control channel of the MBMS according to the modification interval information.
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