WO2013131438A1

WO2013131438A1 - Cluster transmission notification and processing method and device

Info

Publication number: WO2013131438A1
Application number: PCT/CN2013/071943
Authority: WO
Inventors: 谌丽; 焦斌; 艾明; 徐晖
Original assignee: 电信科学技术研究院
Priority date: 2012-03-08
Filing date: 2013-02-27
Publication date: 2013-09-12
Also published as: CN102625256A; CN102625256B

Abstract

Disclosed are a cluster transmission notification and processing method and device, for ensuring that after receiving the scheduling command of a physical downlink control channel (PDCCH), a user equipment (UE) is only required to receive the cluster control channel of an affiliated group, and is not required to receive the cluster control channels of other groups, thus greatly reducing UE power consumption and processing complexity. Provided is a cluster transmission notification method, the method comprising: determining the identifier of the group affiliated with the cluster control channel to be transmitted (S101); transmitting the cluster control channel notification message to the UE, the message carrying the identifier of the group affiliated with the cluster control channel to be transmitted (S102).

Description

A cluster transmission notification, processing method and device The application is submitted to the Chinese Patent Office on March 08, 2012, the application number is 201210059861.8, and the invention name is

The priority of the Chinese Patent Application, the entire disclosure of which is incorporated herein by reference. The present invention relates to the field of communications technologies, and in particular, to a cluster transmission notification, processing method, and apparatus. BACKGROUND OF THE INVENTION A trunking communication system communicates in a half-duplex manner, and controls the acquisition and release of a channel through a push-to-talk (PTT) key during operation, and has high channel utilization and fast call connection; users in the group share a downlink channel. High resource utilization. Moreover, the trunking communication system can guarantee the privacy and security of the call through voice encryption; preferentially allocate channels for high-priority users or services; ensure communication under emergency conditions through fault weakening function; realize flexible multi-level packet scheduling through dynamic reorganization Command function.

The current trunking communication system has developed into a broadband trunking communication system stage, and relying on the most advanced wireless transmission technologies, such as Long-Term Evolution (LTE) technology, can realize the leap of various functions and technologies of the trunking communication system. The broadband trunking communication system has the characteristics of supporting diversified service types, diversifying transmission modes, large bandwidth, and high transmission rate. Supported services include voice, data, video, etc.; transmission methods include unicast, group call, multicast, etc., where unicast uses full-duplex mode, group call and multicast use half-duplex mode.

The performance characteristics of the broadband trunking communication system are: high network reliability, strong fault weakening and anti-destructive capability; support for large traffic capacity in hotspots and hotspots; short call setup time, single system call setup time less than 500 milliseconds (ms); high network security, support end-to-end encryption; wide coverage, low network construction costs. Among them, call setup time, network reliability and security are the three most important technical indicators.

In group call and multicast transmission, since the base station sends the same data to a group of users on the same resource, the channel characteristics of each user are different from those of the base station, and the base station can only use a large power to transmit the cluster omnidirectionally. Transfer to meet the needs of all users in the group. The resulting problem is that the interference to the same-frequency neighboring cell is very large.

In addition, the group call and multicast data sent by users in a group are not sensitive to channel changes, the dynamic scheduling gain is small, and the resources carrying the scheduling signaling are consumed, and the relatively static resource allocation mode is more reasonable. .

In a trunked communication system, one user equipment (UE) can be subordinate to multiple groups, but can only participate in data transmission within one group at a time. The cluster transmission uses the half-duplex mode, and the voice-holder UE transmits data. That is, when the uplink transmission is performed, the called UE can only receive the downlink state, that is, can only receive downlink data and cannot send uplink data. In addition, The cluster transmission also has the characteristics that only one type of service exists in a group, and there is no multi-service multiplexing. The service mentioned here refers to a specific service form, such as voice and video.

From the perspective of the network side, multiple groups of transmissions can exist at the same time. Each group has a specific member UE participating in the cluster service transmission and reception. At the same time, there can only be one calling party and thousands of called parties in a group.

The following channels are introduced in the cluster system:

Logical channel:

T-MCCH: Trunking Multicast Control Channel, cluster multicast control channel. Transmit cluster multicast control information, including T-MTCH scheduling information, service information, group information, and so on. A T-MCCH carries control information or scheduling information of multiple groups. A T-MCCH can only correspond to a Multicast Broadcast Single Frequency Network (MBSFN) area i or.

T-MTCH: Trunking Multicast Traffic Channel, cluster multicast traffic channel. The cluster service data is transmitted. A T-MTCH only carries data carried by one service.

Transport channel:

T-MCH: Trunking Multicast Channel, cluster multicast channel. The broadcast cluster transmits control information and data. Physical channel:

PTMCH: Physical Trunking Multicast Channel, physical cluster multicast channel. The bearer transports signaling and data.

The mapping relationship of the above channels is shown in Figure 1.

The cluster transmission uses the rules shown in Figure 2:

Pre-configuring the T-MCCH resource period and the subframe position, and the actual T-MCCH transmission is performed on the predefined resource location;

The T-MCCH includes control information of one or more groups and configuration and scheduling information of the T-MTCH;

The transmission of T-MTCH is based on T-MCCH scheduling and other scheduling commands;

The actual transmission of the T-MCCH may be indicated by a Physical Downlink Control Channel (PDCCH) scheduling command;

The T-MCCH may be periodically retransmitted, and the retransmission may also be scheduled by the PDCCH.

Since the UE belongs to different groups, only the information of the group belongs to the group. If all the T-MCCHs are read, the power consumption of the UE will be greatly increased. The notification mechanism in the Multimedia Broadcast/Multicast Service (MBMS) technology is used to notify the MCCH of the Multimedia Broadcast multicast service Single Frequency Network (MBSFN) area. And the cycle is very long, not suitable for the cluster transmission system.

In summary, if not limited, the UE receives and reads the T-MCCH at each T-MCCH predefined resource location. The T-MCCH is mapped to the T-MCH and then mapped to the PTMCH, and is organized and transmitted in a Media Access Control (MAC) Packet Data Unit (PDU). The cost of the UE reading the T-MCCH Large, resulting in increased power consumption of the UE, and because the T-MCCH predefined period is small, the problem of power consumption of the UE is more prominent. The notification mechanism in the LTE MBMS technology is used to notify the change of the MCCH corresponding to an MBSFN area, and cannot be directly applied to the cluster transmission system. SUMMARY OF THE INVENTION Embodiments of the present invention provide a cluster transmission notification, processing method, and apparatus, such that a user equipment only needs to receive a cluster control channel of a group after receiving a PDCCH scheduling command, and does not need to receive cluster control of other groups. The channel greatly reduces the power consumption and processing complexity of the user equipment.

A cluster transmission notification method provided by an embodiment of the present invention includes:

Determining the identity of the group to which the cluster control channel to be transmitted belongs;

The cluster control channel notification message is sent to the UE, where the identifier of the group to which the cluster control channel to be transmitted belongs is carried.

A cluster transmission processing method provided by an embodiment of the present invention includes:

Receiving a cluster control channel notification message sent by the network side, and obtaining an identifier of a group to which the cluster control channel to be transmitted on the network side belongs;

According to the identifier, it is determined whether there is a cluster control channel transmission of the belonging group, and if so, the cluster control channel is received; otherwise, the cluster control channel is not received.

A cluster transmission notification apparatus provided by an embodiment of the present invention includes:

a group identifier determining unit, configured to determine an identifier of a group to which the cluster control channel to be transmitted belongs; a notification unit, configured to send a cluster control channel notification message to the UE, where the identifier of the group to which the cluster control channel to be transmitted belongs is carried .

A cluster transmission processing apparatus provided by an embodiment of the present invention includes:

Receiving a notification message unit, configured to receive a cluster control channel notification message sent by the network side, and obtain an identifier of a group to which the cluster control channel to be transmitted by the network side belongs;

The determining processing unit is configured to determine, according to the identifier, whether there is a cluster control channel transmission of the belonging group, and if yes, receive the cluster control channel, otherwise, the cluster control channel is not received.

In the embodiment of the present invention, the identifier of the group to which the cluster control channel to be transmitted belongs is determined; the cluster control channel notification message is sent to the user equipment, where the identifier of the group to which the cluster control channel to be transmitted belongs is carried, so that the user equipment is receiving The PDCCH scheduling command only needs to receive the cluster control channel of the group to which it belongs, and does not need to receive the cluster control channel of other groups, which greatly reduces the power consumption and processing complexity of the user equipment. DRAWINGS 1 is a schematic diagram of a cluster channel mapping relationship in the prior art;

2 is a schematic diagram of transmission rules of a cluster communication system in the prior art;

3 is a schematic flowchart of a cluster transmission notification method according to an embodiment of the present invention;

4 is a schematic flowchart of a cluster transmission processing method according to an embodiment of the present invention;

FIG. 5 is a schematic flowchart of a configuration and reconfiguration process of a notification message according to an embodiment of the present disclosure;

FIG. 6 is a schematic flowchart of a cluster control channel scheduling and transmission according to an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a cluster transmission notification apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a cluster transmission processing apparatus according to an embodiment of the present invention. The embodiments of the present invention provide a cluster transmission notification, processing method, and apparatus, which are used to enable a user equipment to receive only a cluster control channel of a group after receiving a PDCCH scheduling command, and do not need to receive clusters of other groups. The control channel greatly reduces the power consumption and processing complexity of the user equipment.

The technical solution provided by the embodiment of the present invention solves the problem of how the UE receives the cluster signaling and the scheduling command of the group, so that the UE does not need to perform other unnecessary data reception, for example, while the UE correctly receives the information of the group. There is no need to receive information from other groups to achieve power saving.

The technical solutions provided by the embodiments of the present invention are described below with reference to the accompanying drawings.

On the network side, referring to FIG. 3, a cluster transmission notification method according to an embodiment of the present invention includes the following steps: S101: Determine an identifier of a group to which a cluster control channel to be transmitted belongs;

S102. Send a cluster control channel notification message to the UE, where the identifier of the group to which the cluster control channel to be transmitted belongs is carried.

Preferably, the cluster control channel notification message is carried by the PDCCH.

Preferably, the PDCCH is scrambled by a fixed group radio network Temporary Identity (RNTI).

Preferably, each bit in the PDCCH corresponds to one or more group identifiers.

Preferably, the method further includes:

The corresponding relationship between the PDCCH bit position and the group identifier in the cluster control channel notification message is notified to the UE by a system message sent by the evolved base station (e B ).

Preferably, the method further includes:

The number of times the cluster control channel notification message is sent is notified to the UE by a system message sent by the eNB. Preferably, the cluster control channel notification message is sent to the UE in one or more consecutive subframes of the transmission subframe of the cluster control channel. Preferably, the cluster control channel notification message is sent to the UE on the pre-configured resource of the cluster control channel notification message;

The location of the pre-configured resource of the cluster control channel notification message corresponds to the location of the pre-configured resource of the cluster control channel.

Preferably, the location of the pre-configured resource of the cluster control channel notification message is located in a previous subframe of the location of the pre-configured resource of the cluster control channel;

Alternatively, the location of the pre-configured resource of the cluster control channel notification message is located in the same subframe as the location of the pre-configured resource of the cluster control channel.

Preferably, the pre-configured resource of the cluster control channel notification message is notified to the UE by the eNB through a system message; or the cluster control channel notification message is sent to the UE on the pre-configured resource of the cluster control channel.

Correspondingly, on the UE side, referring to FIG. 4, a cluster transmission processing method provided by an embodiment of the present invention includes the following steps:

S201. Receive a cluster control channel notification message sent by the network side, and obtain an identifier of a group to which the cluster control channel to be transmitted by the network side belongs.

S202. Determine, according to the identifier, whether there is a cluster control channel transmission of the belonging group, and if yes, receive the cluster control channel, otherwise, the cluster control channel is not received.

Preferably, the PDCCH is scrambled with a fixed group RNTI.

Preferably, each bit in the PDCCH corresponds to one or more group identifiers.

Preferably, the method further includes:

And obtaining, by using a system message sent by the eNB, a correspondence between a PDCCH bit position and a group identifier in the cluster control channel notification message.

Preferably, the method further includes:

The number of times the cluster control channel notification message is sent is obtained by using a system message sent by the eNB.

Preferably, the cluster control channel notification message is received in a previous one or more consecutive subframes of a transmission subframe of the cluster control channel.

Preferably, the cluster control channel notification message is received on a pre-configured resource of the cluster control channel notification message, where the location of the pre-configured resource of the cluster control channel notification message and the location of the pre-configured resource of the cluster control channel --correspond.

Alternatively, the location of the pre-configured resource of the cluster control channel notification message is located in the same subframe as the location of the pre-configured resource of the cluster control channel. Preferably, the pre-configured resource of the cluster control channel notification message is determined according to the system message sent by the eNB; or the cluster control channel notification message is received on the pre-configured resource of the cluster control channel.

Specific explanations are given below.

The embodiment of the present invention introduces a cluster control channel notification mechanism, which is used to notify the group attribute of the cluster control channel to be transmitted, and specifically includes the following three points:

1. The base station constructs a cluster control channel notification message (notation message), where each bit corresponds to one or more groups, and notifies the user equipment of the correspondence between each bit in the notification message and the group identity of the group, and the base station The user equipment may also be instructed to notify the location of the message sending resource;

2. After receiving the cluster control channel, the high-level entity, such as the MBMS Coordination Entity (MCE), sends a notification message to notify the user equipment which group the cluster control channel to be sent belongs to;

3. The user equipment receives the notification message, determines whether there is a cluster control channel transmission of the belonging group, and if so, receives the cluster control channel, and if not, does not perform the cluster control channel reception.

The first point above is described in detail as follows:

Before the base station performs the scheduling and transmission of the cluster control channel, the base station needs to send the subframe configuration (ie, the PDCCH scheduling command sending position of the scheduling cluster control channel) and the downlink control information (Downlink Control Information, DCI) bit (bit) and the group identifier. The corresponding relationship informs the user equipment that the notification method generally uses system information, so that all user equipments are known, and the system information may be a System Information Block (SIB).

Notification message sending subframe configuration: The notification message is sent at the pre-configured resource location, has a pre-configured resource period and a pre-configured subframe position, and matches the pre-configured resource sent by the cluster control channel T-MCCH, that is, after each notification message resource location There is a T-MCCH pre-configured resource location. The notification message pre-configuration resource may be sent in the same sub-frame as the cluster control channel pre-configured resource, and the notification message may be sent on each cluster control channel pre-configured resource without introducing a separate configuration. That is, a notification message is sent on a subframe of the cluster control channel pre-configured resource.

In order to ensure reliable transmission of the notification message, an enhancement is a PDCCH in which the bearer notification message is continuously transmitted multiple times.

An example of a base station notifying a user device of a notification message configuration is as follows:

The MBMS-Notification Config information element is as follows:

- - ASN1START

MBMS -Notif icationConf ig :: = SEQUENCE {

Notif icationRepetitionCoef f ENUMERATED { nl , n2 } , OPTIONAL , - - Need OP notif icationOf f set INTEGER ( 0 . . 10 ) ,

Notif icationSF- Index INTEGER ( 1 . . 6 )

}

- - ASN1STOP

Its towel, MBMS Notification Configuration Field Description (MBMS-NotificationConfig field descriptions ) notificationOffset

T-MCCH Notification Message Radio Frame Location: SFN mod tmcchlnterval = notificationOffset.

notificationRepetitionCoeff

The T-MCCH notifies the number of retransmissions of the message, nl represents retransmission, and n2 represents retransmission 2 times. When the T-MCCH notification message needs to be transmitted multiple times, the subframe in which the T-MCCH notification message is transmitted is the designated subframe and the subsequent 1 or 2 MB SFN subframes. If the field does not appear, it means that the T-MCCH notification message is transmitted only once, that is, it is not retransmitted.

notificationSF-Index

Indicates a subframe that carries a T-MCCH notification message PDCCH.

FDD: Values 1, 2, 3, 4, 5, and 6 correspond to subframes 1, 2, 3, 6, 7, and 8, respectively (Value 1, 2, 3, 4, and 6 correspond with subframe #l, #2 , #3 #6, #7, and #8 respectively ) .

TDD: Values 1, 2, 3, 4, and 5 correspond to subframes 3, 4, 7, 8, and 9 respectively (Value 1, 2, 3, 4, and correspond with subframe #3, #4, #7, # 8, and #9 respectively ) .

The configuration of the correspondence between the subframe and the group identifier in the notification message is as follows:

The scheduling command transmitted by the base station by using the scheduling cluster control channel carries the cluster control channel notification message, and the content included in the PDCCH is called DCI, and the 3GPP LTE DCI 1C format is taken as an example, wherein the number of information bits is greater than or equal to 8, and the group identifier is The correspondence is shown in the following table:

In the notification message sent by the base station to the user equipment, the message format of the correspondence between each bit and the group identifier is as follows:

7 :

- - ASN1 START

MBSFN-Arealnf oList :: = SEQUENCE ( S I ZE ( 1 . . maxMBSFN- Area ) ) OF MBSFN-Arealnf o

MBSFN-Arealnf o : : = SEQUENCE {

Notif icationlndicatorList Notif icationlndicatorList ,

Notif icationlndicatorList SEQUENCE ( S I ZE ( 1 . . maxNotif icationlndicator ) ) OF

Notif icationlndicat or Info

Notif icationlndicat or Info SEQUENCE {

Notif icationlndicat or INTEGER ( 0 . . 7 ) ,

trunkingSessionRecordList TrunkingSessionRecordLis

}

TrunkingSessionRecordList : : = SEQUENCE ( S I ZE ( 1 . . maxTrunkingSessionRec ) )

TrunkingSessionRecord

TrunkingSessionRecord :: = SEQUENCE {

trukingGroupID TGID , }

- ASN1STOP, its towel,

Field descriptions

Notificationlndicator

Indicates which PDCCH bit is used for the T-MCCH transmission notification of the corresponding group. 0 corresponds to the lowest bit in the PDCCH.

The maxNotificationlndicator indicates that the maximum number of PDCCHs used in one MB SFN area (area) indicates the number of bits, and the value is 8.

trukingGroupID

Group ID/Group ID to which the multicast session belongs. The second point above is described in detail as follows:

The base station side: transmits a PDCCH scheduling command by the latest one of the notification subframe transmission positions before the time point of transmitting the cluster control channel, and the PDCCH scheduling command is scrambled by the fixed group RNTI. The group corresponding to the subsequent cluster control channel is indicated in the scheduling command. If there is a corresponding group transmission, the corresponding bit position in the PDCCH is 1, otherwise it is set to 0. The base station sends a cluster control channel transmission to the cluster control channel predefined resource location after the PDCCH scheduling command is sent, and the notification subframe and the T-MCCH predefined subframe may be the same subframe.

The third point above is described in detail as follows:

User equipment side: The PDCCH of the group RNTI scrambled is read at the resource location of the notification message transmission subframe configured by the base station. If not, it indicates that there is no subsequent cluster control channel transmission; if the cluster RNTI scrambled PDCCH is read, Check whether the corresponding indication bit of the group to which it belongs is set to 1. If set to 1, read the subsequent cluster control channel transmission. Otherwise, no subsequent operations are performed.

Embodiment 1:

Referring to Figure 5, the notification message configuration and reconfiguration process includes:

e B side:

5301. The eNB sends the system information SIB1 to the UE, where the scheduling information of the SIB13 is included.

5302. The eNB sends the system information SIB2 to the UE, where the MBSFN subframe basic configuration is included, and the broadcast transmission by the broadcast mode can only be performed in the subframe in the MBSFN subframe configuration set.

5303. The eNB sends the SIB13 to the UE, where the SIB13 is configured to configure a sending period of the notification message, a configuration of the sending subframe, a correspondence between the PDCCH bit and the group identifier, and a pre-configured resource and a sending period of the T-MCCH.

S304: The eNB sends a paging message to the UE, to notify the system information that the information is changed.

S305: The eNB sends the updated SIB1 to the UE, where the SIB13 scheduling information is carried.

5306. The eNB sends the updated SIB 13 to the UE, where the information about the reconfiguration is carried out, and the content of the reconfiguration may be the location of the notification message sending subframe or the correspondence between the PDCCH bit and the group identifier. Accordingly, on the UE side:

Step 1 (T1): The UE receives SIB1 and acquires SIB13 scheduling information.

Step 2 (T2): The UE receives the SIB2, and obtains MBSFN subframe configuration information.

Step 3 (T3): The UE receives the SIB13, acquires a sending period of the notification message, a correspondence between the subframe, the PDCCH bit, and the group identifier, and a pre-configured resource and a sending period of the T-MCCH, and performs notification messages and clusters according to the information. Control channel reception;

Step 4 (T4): The UE receives the paging message and obtains a system information change notification.

Step 5 (T5): The UE receives the updated SIB1 and acquires SIB13 scheduling information.

Step 6 (T6): The UE receives the updated SIB13, acquires the notification message and the cluster control channel configuration, scheduling information, and receives the notification message and the cluster control channel transmission according to the updated configuration information.

Embodiment 2:

Referring to Figure 6, the cluster control channel scheduling and transmission process includes:

Premise: UE1 belongs to group 1 and UE2 belongs to group 2; PDCCH bit1 corresponds to group 1 identifier, and PDCCH bit 2 corresponds to group 2 identifier.

e B side:

S401: The eNB sends a PDCCH that is scrambled by the RNTI to the UE, where the PDCCH bit1 is set to 1 (indicating that the cluster control channel is transmitted subsequently), and the PDCCH bit2 is set to 0 (indicating that there is no subsequent PDCCH bit1). The cluster control channel transmission of the group 2, the PDCCH message may be sent continuously or continuously for multiple times according to the transmission period and the number of transmissions configured by the base station;

S402: The eNB sends the cluster control channel of the group 1 on the subsequent pre-configured cluster control channel resources, and then sends the cluster data transmission of the group 1;

S403: The eNB sends a cluster RNTI scrambled PDCCH, where the PDCCH bitl is set to 0, and the PDCCH bit2 is set to 1. According to the configuration of the base station, the PDCCH message may be sent continuously or continuously for multiple times.

S404: The eNB sends the cluster control channel of the group 2 on the subsequent pre-configured cluster control channel resources, and then sends the cluster data transmission of the group 2.

UE side:

UE1:

Step 1 (T1): UE1 detects the clustered RNTI scrambled PDCCH on the configured notification message sending subframe. If the notification message PDCCH is detected, the UE detects the content of the notification message, and confirms that PDCCH bit1 is set to 1;

Step 2 (T2): UE1 receives the cluster control channel transmission on the cluster control channel pre-configured resource, and receives subsequent cluster data transmission;

Step 3 (T3): UE1 detects the PDCCH scrambled by the cluster RNTI on the configured notification message sending subframe, such as If the notification message PDCCH is detected, and then the content of the notification message is detected, and it is confirmed that the PDCCH bit1 is set to 0;

Step 4 (T4): UE1 does not receive data transmission on the cluster control channel pre-configured resource.

UE2:

Step 1 (T1): UE2 detects a PDCCH that is scrambled by the cluster RNTI on the configured notification message transmission subframe. If the notification message PDCCH is detected, the UE further detects the content of the notification message, and confirms that PDCCH bit2 is set to 0.

Step 2 (T2): UE2 does not receive data transmission on the cluster control channel pre-configured resource;

Step 3 (T3): UE2 detects the clustered RNTI scrambled PDCCH on the configured notification message sending subframe. If the notification message PDCCH is detected, the UE further detects the content of the notification message, and confirms that PDCCH bit2 is set to 1;

Step 4 (T4): UE2 receives the cluster control channel transmission on the cluster control channel pre-configured resource, and receives subsequent cluster data transmission.

Referring to FIG. 7, a cluster transmission notification apparatus according to an embodiment of the present invention includes:

The group identifier determining unit 11 is configured to determine an identifier of a group to which the cluster control channel to be transmitted belongs, and the notification unit 12 is configured to send a cluster control channel notification message to the user equipment UE, where the cluster control channel to be transmitted belongs to The identity of the group.

Preferably, the PDCCH is scrambled with a fixed group RNTI.

Preferably, each bit in the PDCCH corresponds to one or more group identifiers.

Preferably, the notification unit 12 is further configured to:

Corresponding relationship between the PDCCH bit position and the group identifier in the cluster control channel notification message is notified to the UE by a system message sent by the e B.

Preferably, the notification unit 12 is further configured to:

The number of times the cluster control channel notification message is sent is notified to the UE by a system message sent by the eNB. Preferably, the notification unit 12 sends the cluster control channel notification message to the UE in one or more consecutive subframes of the transmission subframe of the cluster control channel.

Preferably, the notification unit 12 sends the cluster control channel notification message to the UE on the pre-configured resource of the cluster control channel notification message;

Preferably, the notification unit 12 sends the pre-configured resource of the cluster control channel notification message to the eNB. Notifying the UE through the system message;

Alternatively, the notification unit 12 sends the cluster control channel notification message to the UE on the pre-configured resource of the cluster control channel.

Referring to FIG. 8, a cluster transmission processing apparatus according to an embodiment of the present invention includes:

The receiving notification message unit 21 is configured to receive a cluster control channel notification message sent by the network side, and obtain an identifier of a group to which the cluster control channel to be transmitted by the network side belongs;

The determining processing unit 22 is configured to determine, according to the identifier, whether the cluster control channel transmission of the belonging group is received, and if yes, receive the cluster control channel, otherwise, the cluster control channel is not received.

Preferably, the PDCCH is scrambled with a fixed group radio network temporary identifier RNTI.

Preferably, each bit in the PDCCH corresponds to one or more group identifiers.

Preferably, the receiving notification message unit 21 is further configured to:

Preferably, the receiving notification message unit 21 receives the cluster control channel notification message in a previous one or more consecutive subframes of a transmission subframe of the cluster control channel.

Preferably, the receiving notification message unit 21 receives the cluster control channel notification message on a pre-configured resource of the cluster control channel notification message;

Preferably, the receiving notification message unit 21 determines a pre-configured resource of the cluster control channel notification message according to a system message sent by the eNB;

Alternatively, the receiving notification message unit 21 receives the cluster control channel notification message on a pre-configured resource of the cluster control channel.

In summary, the technical solution provided by the embodiment of the present invention introduces a cluster control channel transmission notification mechanism, which is used to notify a group attribute of a cluster control channel to be transmitted. The cluster control channel notification message is carried by the PDCCH.

Each bit in the PDCCH corresponds to one or more group identities, and the PDCCH is scrambled with a fixed group RNTI. Pass The message is sent on one or more consecutive subframes before the cluster control channel is transmitted. The correspondence between the PDCCH bit and the group identifier and the number of notification message transmissions in the notification message are notified by the e B to the user equipment through the system message. The notification message is sent on the pre-configured resource, and the pre-configured resource location has a one-to-one correspondence with the cluster control channel pre-configured resource location. The notification message pre-configures the resource location before the cluster control channel pre-configured resource location or in the same subframe. The notification message pre-configured resource is sent by the eNB to the user equipment or the notification message via the system message on the trunk control channel pre-configured resource. Therefore, the embodiment of the present invention enables the user equipment to receive only the cluster control channel of the group after receiving the PDCCH scheduling command, which greatly reduces the power consumption and processing complexity of the user equipment.

Those skilled in the art will appreciate that embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the present invention is in the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) in which computer usable program code is embodied.

The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (system), and computer program products according to embodiments of the invention. It will be understood that each process and/or block of the flowchart illustrations and/or FIG. These computer program instructions can be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing device to produce a machine for the execution of instructions for execution by a processor of a computer or other programmable data processing device. Means for implementing the functions specified in one or more of the flow or in a block or blocks of the flow chart.

The computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device. The apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.

These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device. The instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

It is apparent that those skilled in the art can make various modifications and variations to the invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and modifications of the invention

Claims

Rights request

A cluster transmission notification method, characterized in that the method comprises:

The cluster control channel notification message is sent to the user equipment UE, where the identifier of the group to which the cluster control channel to be transmitted belongs is carried.

2. The method according to claim 1, wherein the cluster control channel notification message is carried by a physical downlink control channel PDCCH.

The method according to claim 2, wherein the PDCCH is scrambled with a fixed group radio network temporary identifier RNTI.

The method according to claim 2, wherein each bit in the PDCCH corresponds to one or more group identifiers.

5. The method according to claim 4, wherein the method further comprises:

The corresponding relationship between the PDCCH bit position and the group identifier in the cluster control channel notification message is notified to the UE by a system message sent by the evolved base station eNB.

6. The method according to claim 1, wherein the method further comprises:

The number of times the cluster control channel notification message is sent is notified to the UE by a system message sent by the eNB.

The method according to claim 1, wherein the cluster control channel notification message is sent to the UE in one or more consecutive subframes of the transmission subframe of the cluster control channel.

The method according to claim 1, wherein the cluster control channel notification message is sent to the UE on a pre-configured resource of the cluster control channel notification message;

The method according to claim 8, wherein the location of the pre-configured resource of the cluster control channel notification message is located in a previous subframe of the location of the pre-configured resource of the cluster control channel;

The method according to claim 8, wherein the pre-configured resource of the cluster control channel notification message is notified by the eNB to the UE by using a system message;

Alternatively, the cluster control channel notification message is sent to the UE on a pre-configured resource of the cluster control channel.

A cluster transmission processing method, characterized in that the method comprises:

Receiving a cluster control channel notification message sent by the network side, and obtaining a cluster control channel to be transmitted by the network side The identity of the group to which it belongs;

The method according to claim 11, wherein the cluster control channel notification message is carried by a PDCCH.

13. The method according to claim 12, wherein the PDCCH is scrambled with a fixed group RNTI.

The method according to claim 12, wherein each bit in the PDCCH corresponds to one or more group identifiers.

The method according to claim 14, wherein the method further comprises:

The method according to claim 11, wherein the method further comprises:

The system message sent by the evolved base station eNB acquires the number of times the cluster control channel notification message is sent.

The method according to claim 11, wherein the cluster control channel notification message is received in a previous one or more consecutive subframes of a transmission subframe of the cluster control channel.

The method according to claim 11, wherein the cluster control channel notification message is received on a pre-configured resource of the cluster control channel notification message;

The method according to claim 18, wherein the location of the pre-configured resource of the cluster control channel notification message is located in a previous subframe of the location of the pre-configured resource of the cluster control channel;

The method according to claim 18, wherein the pre-configured resource of the cluster control channel notification message is determined according to a system message sent by the eNB;

Alternatively, the cluster control channel notification message is received on a pre-configured resource of the cluster control channel.

21. A cluster transmission notification device, the device comprising:

22. The apparatus of claim 21, wherein the cluster control channel notification message is carried by a PDCCH.

23. The apparatus according to claim 22, wherein the PDCCH is scrambled with a fixed group RNTI.

The apparatus according to claim 22, wherein each bit in the PDCCH corresponds to one or more group identifiers.

The device according to claim 24, wherein the notification unit is further configured to:

And the corresponding relationship between the PDCCH bit position and the group identifier in the cluster control channel notification message, and the number of times the cluster control channel notification message is sent, and the system message sent by the e B is notified to the UE.

The device according to claim 21, wherein the notification unit is further configured to:

The device according to claim 21, wherein the notification unit sends the cluster control channel notification message to the UE in one or more consecutive subframes of a transmission subframe of the cluster control channel. .

The device according to claim 21, wherein the notification unit sends the cluster control channel notification message to the UE on a pre-configured resource of the cluster control channel notification message;

The device according to claim 28, wherein a location of the pre-configured resource of the cluster control channel notification message is located in a previous subframe of a location of a pre-configured resource of the cluster control channel;

The device according to claim 28, wherein the notification unit, the pre-configured resource of the cluster control channel notification message is notified by the eNB to the UE by using a system message;

Alternatively, the notification unit sends the cluster control channel notification message to the UE on a pre-configured resource of the cluster control channel.

31. A cluster transmission processing apparatus, the apparatus comprising:

32. The apparatus of claim 31, wherein the cluster control channel notification message is carried by a PDCCH.

33. The apparatus according to claim 32, wherein the PDCCH is scrambled with a fixed group RNTI.

34. The apparatus according to claim 32, wherein each bit in the PDCCH corresponds to one Or multiple group IDs.

The apparatus according to claim 34, wherein the receiving the notification message unit is further configured to: acquire, by using a system message sent by the eNB, a PDCCH bit position and a group identifier in the cluster control channel notification message. Correspondence relationship.

The apparatus according to claim 31, wherein the receiving the notification message unit is further configured to: obtain, by using a system message sent by the eNB, the number of times the cluster control channel notification message is sent.

37. The apparatus according to claim 31, wherein the receiving notification message unit receives the cluster control channel notification message in a previous one or more consecutive subframes of a transmission subframe of a cluster control channel.

The device according to claim 31, wherein the receiving notification message unit receives the cluster control channel notification message on a pre-configured resource of a cluster control channel notification message;

The device according to claim 38, wherein a location of the pre-configured resource of the cluster control channel notification message is located in a previous subframe of a location of a pre-configured resource of the cluster control channel;

The apparatus according to claim 38, wherein the receiving notification message unit determines a pre-configured resource of the cluster control channel notification message according to a system message sent by an eNB;

Alternatively, the receiving notification message unit receives the cluster control channel notification message on a pre-configured resource of the cluster control channel.