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WO2008046350A1 - Procédé et station de base permettant de compter le nombre d'utilisateurs d'un service mbms - Google Patents

Procédé et station de base permettant de compter le nombre d'utilisateurs d'un service mbms Download PDF

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Publication number
WO2008046350A1
WO2008046350A1 PCT/CN2007/070896 CN2007070896W WO2008046350A1 WO 2008046350 A1 WO2008046350 A1 WO 2008046350A1 CN 2007070896 W CN2007070896 W CN 2007070896W WO 2008046350 A1 WO2008046350 A1 WO 2008046350A1
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WIPO (PCT)
Prior art keywords
mbs service
terminal
base station
service
specified
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PCT/CN2007/070896
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English (en)
Chinese (zh)
Inventor
Yong Xie
Jianjun Wu
Musen Li
Junxian Mo
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of WO2008046350A1 publication Critical patent/WO2008046350A1/fr
Anticipated expiration legal-status Critical
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services

Definitions

  • the present invention relates to the field of wireless communications, and in particular to a multicast broadcast technology in a global interoperability system for microwave access.
  • IEEE 802.16 was issued by the Institute of Electrical and Electronics Engineers (' ⁇ ') in December 2001 to provide the last mile of wireless broadband access in metropolitan area networks. IEEE802.
  • the 16 standard mainly includes three standards of 802.16a, 802.16RevD and 802.16e.
  • WiMAX Worldwide Interoperability for Microwave Access
  • WiMAX is the industry's access technology for wireless metropolitan area networks based on the IEEE 802.16 series of standards. The basic goal is to provide a point-to-multipoint network in the metropolitan area network. Broadband wireless access means that can effectively interoperate in a multi-vendor environment.
  • the 802.16 series of standards specifies the protocol layer of the air interface part of the WiMAX system, including the physical layer (PHY) and the Medium Access Control (MAC) layer.
  • the PHY layer physically performs modulation, demodulation, and codec operations on the signal
  • the MAC layer mainly implements the media access control function of the WiMAX system.
  • FIG. 1 shows the WiMAX end-to-end reference model.
  • the R1 interface is a wireless air interface and is mainly defined by IEEE802.16d/e.
  • the remaining interfaces are all wired interfaces.
  • WiMAX mainly includes a mobile station (Mobile Station, referred to as "MS”) / subscriber station (Substation Station, referred to as "SS,”), access service network (Access Service Network, Referred to as “ASN” and the Connectivity Service Network (“CSN”).
  • the ASN is defined as a network function set that provides a wireless access service for a WiMAX user terminal.
  • the ASN includes a BS and an ASN gateway (ASN GateWay abbreviation "ASN-GW”) network element, and an ASN may be shared by multiple CSNs.
  • ASN-GW ASN GateWay abbreviation
  • the main functions of the ASN include the functions of the BS and the functions of the ASN-GW.
  • the functions of the BS are: providing L2 connection of BS and subscriber station SS/MS, radio resource management, measurement and power control, and compression and encryption of air interface data.
  • the functions of ASN-GW include: proxy function for SS/MS authentication, authorization and accounting functions; network discovery and selection for NSP; relay function for providing L3 information for SS, such as IP address allocation , wireless resource management.
  • intra-ASN handover can also include (optional functions): intra-ASN handover; SS paging and location management, such as paging controller (Paging Controller, referred to as "PC") functional entity; tunnel management between ASN-CSN, It is equivalent to the external agent (FA, Foreign Agent) in mobile IP technology; visits the location registration, anchor (SFA, Service Flow Authenticator) functional entity.
  • PC paging controller
  • FA Foreign Agent
  • SFA Service Flow Authenticator
  • CSN is defined to provide IP connection services for WiMAX user terminals.
  • the CSN mainly provides the following functions: IP address allocation of SS/MS, Internet access, Authentication, Authorization, Account (“AAA”) proxy or service, user-based authorization control, ASN to CSN Tunnels, billing for WiMAX subscribers, and settlement between operators, tunneling between CSNs in roaming, switching between ASNs, and various WiMAX services (such as location-based services, multimedia multicast and broadcast services, IP Multimedia Subsystem Service).
  • AAA Authentication, Authorization, Account
  • the MS/SS is a (mobile) terminal that the user uses to access the WiMAX network.
  • WiMAX and its network architecture.
  • MBS Multicast & Broadcast Service
  • MBS Point to Multipoint
  • the MBS service is a point-to-multipoint service that provides a data source to send data to multiple users in a mobile network, realizes network resource sharing, and improves utilization of network resources, especially air interface resources.
  • WiMAX defined MBS It can not only realize low-rate message-like multicast and broadcast in pure text, but also realize multicast and broadcast of high-speed multimedia services, which undoubtedly conforms to the trend of future mobile data development.
  • the MBS service based on WiMAX network supports two access modes: single base station access and multiple base station access.
  • MBS domain ie, MBS Zone, identified by MB S-Zone ID
  • An MBS domain is a collection of base stations, and all base stations in an MBS domain use the same multicast.
  • the connection identifier (Multicast CID, referred to as "MCID") and the MBS Group Security Association (MBS Group Security Association) are used to send the content of the same MBS service stream.
  • the terminal that has registered the MBS service can pass the MBS domain.
  • Single base station access MBS is a special case of multi-base station access MBS.
  • the MBS domain is limited to one base station coverage. All users in the MBS domain receiving the MBS use the same multicast connection identifier.
  • the prior art does not describe the single base station mode in detail; however, in the multi-base station mode, how the base station transmits MBS data, how the terminal receives the MBS data, and how the base station notifies the terminal to transmit the MBS data of interest to the terminal has a corresponding description.
  • the downlink mapping (Downlink MAP, DL-MAP) broadcast on the broadcast connection identifier (broadcast CID) contains zero to one or more MBS-MAP-IEs, and each item on the MBS-MAP-IE is identified by the MBS domain ID. ;
  • a MBS-MAP-IE identifies the physical resource of an MBS-MAP message on the air interface; if it is a single base station mode, it directly indicates the physical resource of the MBS service;
  • an MBS-MAP message may contain zero to one or more MBS-DATA-IEs or extended MBS-DATA-IEs.
  • the physical parameters between these MBS-DATA-IEs may be consistent or inconsistent, by the network side. Decided; but one MBS-DATA-IE has only one physical parameter set; fourth, one MBS-DATA-IE contains one or more MCIDs;
  • the MBS-DATA-IE contains one or more MCIDs, which are designed to reduce the length of the MBS-MAP message.
  • the MCID corresponding to the MBS data of the Downlink Interval Usage Code ("DIUC") is used. Indicated in an MBS-DATA-IE.
  • DIUC Downlink Interval Usage Code
  • the same MAC-PDU of DIUC is placed on a physical resource Burst. Transmission, although the data of different MBS services is mixed in Burst, it can be distinguished on the MAC layer by the MCID on the MAC-PDU header. Not all multi-MCIDs correspond to the same MBS service, but each MCID corresponds to one MBS service.
  • an MCID also contains one or more logical channel IDs.
  • the logical channel ID is used in the air interface, and is used to inform the terminal whether the currently indicated MBS data has content of interest;
  • the DCD (Dynamic Service Delection) process can carry zero to one or more MBS domain IDs.
  • the content identification Content ID Content ID and MCID and logical channel ID group information - corresponding.
  • the Content ID is used to identify the upper layer data stream carried by the WiMAX Access Network Service Flow (SF).
  • the DL-MAP message indicates the physical resource to be sent by the next MBS-MAP message, but does not distinguish the MCID and the logical channel ID included in the MBS-MAP message; the MBS-DATA-IE also has the physical resource for the next MBS-MAP message.
  • the indication unlike the indication in the DL-MAP, is that the MBS-MAP message here is a special MBS-MAP message, which must contain an MBS-DATA-IE, which is owned by the MBS-DATA-IE and the current MBS-DATA - IE - MCID and logical channel ID. In this way, the terminal does not need to receive the DL-MAP message one by one, and only needs to know the transmission time of the next MBS-MAP message from the current MBS-MAP-IE.
  • MBS-DATA-IE there is a change indication in MBS-DATA-IE. If there is no change, it will receive MBS data directly; otherwise, it needs to parse the new MBS-DATA-IE to update the relevant MBS information of the terminal.
  • the present invention provides a method for counting the number of users of a multicast broadcast service and a base station, so that the base station can determine the number of terminals receiving the designated MBS service.
  • the present invention provides a method for counting the number of users of a multicast broadcast service, including:
  • the total number of users receiving the designated MBS service is obtained according to the number of active state terminals receiving the designated MBS service and the number of idle state terminals.
  • Deleting the designated MBS service when the active state terminal exits the specified MBS service or the active state terminal that has joined the specified MBS service switches to another base station or the active state terminal that has joined the specified MBS service switches to the idle state The user record corresponding to the terminal.
  • the terminal is instructed to initiate a location update process by sending a statistical indication message to all the idle state terminals in the coverage area or the idle state terminal that receives the specified multicast channel, and the location update process is used to obtain the MBS service information of the idle terminal.
  • the MBS service information that the terminal is receiving is requested in a location update procedure, and the paging controller/location register returns the MBS service information that the terminal is receiving in the location update procedure.
  • the statistical indication message is sent to all the idle state terminals in the coverage of the base station or the idle state terminal that receives the designated multicast channel by using the paging or multicast broadcast control channel.
  • the statistics indication message further includes one of the following parameters or any combination thereof: MBS service identifier, content identifier, service start time, service transmission range, service description, and Access probability indication information;
  • the statistical indication message further includes an MBS service identification and/or access probability indication information.
  • the idle state terminal that is ready to receive or has received the specified MBS service receives the statistical indication message, and then satisfies the The location update process is initiated when the probability is indicated.
  • the statistics indication message is cyclically issued within a statistical period of the specified MBS service.
  • the new base station After the idle state terminal that has joined the specified MBS service switches to the new base station, if the new base station also sends the designated MBS service that the terminal is receiving. And the new base station records the anchor paging controller information of the terminal by using a location update procedure initiated by the terminal;
  • the new base station When initiating the statistics on the terminal that receives the specified MBS service, the new base station directly obtains the MBS service information currently received by the terminal from the anchor paging controller of the terminal that it records.
  • the number of users of the designated MBS service is counted before the start of the designated MBS service.
  • the number of users of the specified MBS service is periodically performed.
  • the method when the number of users of the specified MBS service is counted, if the specified MBS service has not yet established a bearer, and the current count of terminals waiting to receive the specified MBS service is greater than establishing a point-to-multipoint mode.
  • the threshold of the bearer is used to stop the statistics on the number of the idle state terminals that receive the specified MBS service. If the specified MBS service is carried in the point-to-multipoint mode, the current number of terminals receiving the specified MBS service is greater than the point.
  • the statistics on the number of idle state terminals that receive the specified MBS service are stopped, if the specified MBS service is carried in the point-to-point mode, and the current MBS service is received by the current statistics. If the number of terminals is greater than the handover threshold of the point-to-point mode to the point-to-multipoint mode, the statistics on the number of idle state terminals receiving the specified MBS service are stopped.
  • the invention also provides a base station, comprising:
  • An active state terminal statistics module configured to count, according to a user record of the specified MBS service, a number of active state terminals that receive the designated MBS service at the base station;
  • An idle state terminal statistic module configured to receive, according to the acquired MBS service information statistics of the idle state terminal, the number of idle state terminals that receive the designated MBS service at the base station;
  • a totaling module configured to obtain, according to the counted number of active state terminals that receive the specified MBS service and the number of idle state terminals, obtain a total number of users that receive the designated MBS service at the base station.
  • a recording module configured to add a user record of the specified MBS service at the base station when the active state terminal joins the specified MBS service or the activated state terminal that has joined the specified MBS service switches to the local base station, And deleting the designated MBS industry when the active state terminal exits the specified MBS service or the activated state terminal that has joined the specified MBS service switches to another base station A user record corresponding to the terminal in the base station.
  • the service information obtaining module is further configured to: send a statistical indication message to all the idle state terminals in the coverage of the base station or the idle state terminal that receives the specified multicast channel, and instruct the terminal to initiate a location update process, by using the initiated The location update process obtains the MBS service information of the idle state terminal.
  • the service information obtaining module sends the statistical indication message to all idle state terminals in the coverage area or the idle state terminal that receives the specified multicast channel by using a paging or multicast broadcast control channel.
  • the technical solution of the present invention separately counts the number of active state terminals and idle state terminals that receive the MBS service: According to the user record of the specified MBS service, the number of active state terminals that receive the MBS service is counted, and the idleness is obtained according to the acquired coverage.
  • the MBS service information of the terminal is used to count the number of idle state terminals that receive the specified MBS service, and then obtain the total number of users of the MBS service according to the number of active state terminals that receive the MBS service and the number of idle state terminals.
  • the method can simultaneously determine the number of active state terminals and idle state terminals that receive the MBS service, and avoid moving to other base stations or moving from other base stations to the base station without the need for handover, so that the specified MBS cannot be accurately evaluated.
  • the number of users of the business By accurately estimating the number of users of the MBS service, the present invention enables the base station to determine whether a Point to Point (“PTP") mode or a Point to Multipoint (“PTM”) is currently used.
  • PTP Point to Point
  • PTM Point to Multipoint
  • FIG. 1 is a schematic structural diagram of a WiMAX network in the prior art
  • FIG. 2 is a flowchart of a method for counting MBS service users according to a first embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a base station system according to a second embodiment of the present invention.
  • the base station counts the number of users of the MBS service before the MBS service starts or during the service play to determine whether to use the PTP mode or the PTM mode for carrying the MBS service.
  • the terminal may receive the MBS service in two states: the idle state and the active state. Therefore, in the present invention, in order to accurately count the number of users receiving the MBS service in each state, the base station The number of active terminals receiving the MBS service and the number of idle state terminals are respectively counted, and the final number of users of the MBS service is obtained according to the statistics of the two.
  • the present embodiment mainly relates to a method for counting the number of MBS service users.
  • the number of users of the MBS service mainly has three statistical timings: First, when the MBS service is started, the base station counts the number of terminals interested in the MBS service to be currently sent; Second, in the process of sending the MBS service, The base station periodically counts how many users are receiving the current MBS service according to requirements. The third is when the base station needs to determine whether the PTP mode or the PTM mode should be used to carry the specified MBS service.
  • step 201 the base station counts the number of active terminals that receive the MBS service according to the user record of the active terminal of the specified MBS service, and sends a statistical indication message to the idle terminal.
  • the user record of the MBS service is added or deleted by the base station when the terminal joins/exits the MBS service or switches the base station.
  • Adding records includes the following:
  • the active state terminal joins the MBS service under the base station, and in the process of joining the MBS service, the base station adds the user record of the corresponding MBS service;
  • the base station can obtain information about whether the terminal joins a specific MBS service during the handover context transfer process, thereby adding the user record of the corresponding MBS service;
  • the base station adds the user record of the corresponding MBS service.
  • Deleting records includes the following:
  • the active terminal that has joined the MBS service actively withdraws from the MBS service.
  • the base station deletes the user record corresponding to the terminal in the MBS service;
  • an active state terminal that has joined the MBS service switches from the base station to another base station, and the base station deletes the user record corresponding to the terminal in the MBS service;
  • the base station When the active state terminal that has joined the MBS service switches to the idle state, the base station deletes the user record of the corresponding MBS service.
  • the idle state terminal is used for location update.
  • the base station can obtain information about whether the idle state terminal joins the specified MBS service from the Anchor PC/LR (Anchor Paging Controller/Location Register). Therefore, the user record is added to the corresponding MBS service according to the information, but the record is for the idle state terminal, and is independent of the statistics of the number of active state terminals in this step.
  • Anchor PC/LR Anchor Paging Controller/Location Register
  • the idle state terminal interested in the MBS service reports the MBS service information by means of location update.
  • the base station acquires MBS service information of the idle state terminal in the coverage of the terminal, and receives the number of idle state terminals of the designated MBS service according to the obtained MBS service information of the terminal.
  • the statistics on the number of idle state terminals are different from those in the active state terminal. Considering that the idle state terminal may switch when the base station is not notified, the recording is not completely accurate, and therefore the base station does not rely on the record pair. The number of idle state terminals is counted. The base station may send a statistical indication message to instruct the terminal to initiate a location update process, obtain the MBS service information through the location update process of the terminal, and count the number of idle state terminals that receive the specified MBS service.
  • the base station can send the statistics indication message by paging, and the base station can send the statistics indication message to all terminals in the coverage area or only to all terminals that receive the specified multicast channel.
  • the statistic indication message includes an MBS service identifier, and the message may be sent in a paging period of the base station.
  • the base station may periodically send the paging message multiple times during the statistical period of the MBS service. If the statistics are currently performed before the MBS service starts, the message may further include information such as a Content ID, a service start time, a service transmission range, and a service description of the MBS service.
  • the terminal After receiving the paging message, the terminal does not respond according to the MBS service related information (such as the MBS service identifier) carried in the message; if the MBS service is not interested, the location update is initiated.
  • the network side obtains, from the Anchor PC/LR, the information about whether the idle state terminal joins the specified MBS service, and collects the number of idle state terminals that receive the MBS service according to the information.
  • the paging message may also be used.
  • a probabilistic indication is included, which is used to control the probability of the terminal location update, that is, after receiving the message, if the terminal is interested in the MBS service, the terminal initiates the location update by probability according to a certain algorithm, thereby avoiding A terminal that is not interested in the MBS service initiates a location update process at the same time, which exceeds the load on the network side and adversely affects the performance of the network side system.
  • the terminal may generate a random number in the full probability range and compare with the probability indication sent by the base station. If the probability is greater than the probability indication, the terminal initiates a location update. If it is less than the temporary, the terminal does not initiate, and the random number is continuously generated, and the comparison is performed again. The location update process is initiated until greater than the probability indication.
  • the MBS service statistics indication message may not carry any information, or only one probability indication is received, and the terminal that receives the statistical indication message initiates the location update only according to a certain probability.
  • the network side obtains the MBS service information of the idle state terminal from the Anchor PC/LR in the location update process, determines whether the terminal joins a specific MBS service according to the service information of each terminal, and determines the idle state of the current MBS service. The number of terminals.
  • the base station can send the statistics indication message by using the multicast broadcast control channel.
  • the base station can send a statistical indication message to the designated MBS service or all terminals through a dedicated multicast broadcast control channel.
  • the terminal monitors the statistical indication message according to the set period. During the statistical period, the base station may send the indication message multiple times according to the period to ensure that all terminals interested in the MBS service can receive the message.
  • the statistics indication message may carry the following information: MBS service identifier, Content ID, service start time, service transmission range, service description, access probability indication information, and the like.
  • the terminal After the terminal receives the statistical indication message, if it is not interested in the corresponding MBS service, it does not respond to any response; if it is interested, it is feedback through the location update, and the network obtains from the Anchor PC/LR during its location update process.
  • the MBS service information of the idle state terminal determines whether it joins the specified MBS service, and further determines the number of idle state terminals that currently receive the MBS service.
  • the following method may also be used: For the idle state terminal that joins the MBS service, when the base station can also provide the MBS service when moving from the other base station to the local base station, the terminal initiates the time. During the location update process, the base station obtains the information that the terminal joins the MBS service and the Anchor PC/LR address of the terminal through the location update process, and saves it in the context of the base station, so that the base station performs the corresponding MBS service. When the number of idle state terminals is counted, the current MBS service information of the terminal can be obtained according to the saved Anchor PC/LR address of the terminal.
  • the base station when the terminal enters the idle state from the active state, the base station also stores the corresponding information. After the base station counts the number of idle state terminals, the method proceeds to step 204.
  • the base station obtains the total number of users of the MBS service according to the number of active state terminals that receive the MBS service and the number of idle state terminals.
  • the base station counts the number of MBS service users in order to select the appropriate mode (PTP mode or PTM mode) to carry the MBS service, the following process can also be modified as follows:
  • the base station may first count the number of terminals joining the MBS service in the active state, if the number is greater than the pre- If the threshold of the establishment of the PTM bearer is determined, the bearer mode can be directly determined, and the statistics indication message is not required to be sent, that is, the statistics indication message does not need to be sent; if the threshold for establishing the PTM bearer is not reached, the base station can further A statistical indication message is sent, triggering the terminal to initiate a location update, and by querying the record of the Anchor PC/LR, initially determining the number of terminals in the idle state that are currently waiting to receive the MBS service, and adding the number to the number of active terminals.
  • the base station For a total number of users, when the number of users reaches the threshold for establishing a PTM bearer, the base station should stop counting, and can send an indication message of stopping statistics to the terminal that has not yet feedback, and the sending mode and the sending manner of the statistical indication message. Consistent, but the information carried in the message is to stop to some Statistics of all MBS services; if the number of users that the base station receives statistical feedback does not reach the threshold of establishing a PTM bearer, the base station may send a statistical indication message again, indicating that the user has not feedback (if the location update is not initiated) continues to feedback, the message The probability indication in the middle can be reduced, so that the terminal can initiate the location update more easily. This process can be performed multiple times until the number of statistical users reaches the threshold of establishing a PTM bearer. If the number of users in the set statistical time is always If the threshold for establishing a PTM bearer is not reached, the statistics indication message is stopped.
  • the base station can also first count the number of terminals that join the MBS service in the active state. If the base station currently uses the PTM bearer for the MBS service, the number of active terminal terminals is greater than the pre-determination. If the "PTM to PTP transition threshold" is determined, the statistic indication message is not required to be sent to the idle state terminal, that is, the statistic indication message does not need to be sent. If the PTM to PTP transition threshold is not reached, the eNB may further send a statistic indication message.
  • the triggering terminal initiates a location update, and by querying the record of the Anchor PC/LR, initially determines the number of terminals in the idle state that currently receive the MBS service, and adds the number to the number of active terminals to obtain a total number of users. If the number of the user is greater than the "PTM to PTP threshold", the base station should stop the statistics, and can send the stop statistics indication message to the terminal that has not received feedback on the air interface, and the sending mode is consistent with the sending manner of the statistical indication message. The information carried in the message is to stop the statistics of the MBS service.
  • the base station may send a statistical indication message again, indicating that those users who do not have feedback continue. Feedback, the access probability indication in the message can be lowered, so that the terminal can more easily initiate the location update process, and the process can be performed multiple times until the number of counted users is greater than the " ⁇ to ⁇ transition threshold", if it is set If the number of users in the statistical period has not reached the " ⁇ to ⁇ conversion threshold", the statistics indication message is stopped.
  • the base station may also first count the number of terminals that join the MBS service in the active state, and the number of activated active terminals is greater than the pre-determination.
  • the sending mode is the same as the sending manner of the statistics indication message, but the message carries The information is to stop statistics on the MBS service; If the number of users of the statistical feedback of the base station is not greater than the "PTP to PTM transition threshold", the base station may send a statistical indication message again, indicating that those users who do not have feedback continue to feedback, and the access probability indication in the message may be lowered, so that the terminal can It is easier to initiate the location update process. This process can be performed multiple times until the number of users counted is greater than the "PTP to PTM transition threshold". If the number of users has not reached the "PTP to PTM transition threshold" within the set statistics time, Then, the statistics indication message is stopped.
  • the "PTP to PTM transition threshold” is often set to be greater than or equal to "PTM to PTP transition threshold", which is generally greater than a certain value.
  • the terminal includes an active state terminal statistics module, which is used to record user records according to the specified MBS service. And the number of the active state terminals that receive the MBS service; the service information acquiring module, configured to send, by using the paging or multicast broadcast control channel, a statistical indication message to all terminals in the coverage of the base station or the terminal that receives the specified multicast channel, The terminal is instructed to initiate a location update process, and the MBS service information of the terminal is obtained by the location update process initiated by the terminal; the idle state terminal statistics module is configured to receive the MBS service information of the idle state terminal acquired by the service information acquisition module, and receive the statistics.
  • the service information acquiring module configured to send, by using the paging or multicast broadcast control channel, a statistical indication message to all terminals in the coverage of the base station or the terminal that receives the specified multicast channel, The terminal is instructed to initiate a location update process, and the MBS service information of the terminal is obtained by the location update process initiated by the terminal; the idle state terminal statistics module is configured to
  • the base station further includes a recording module, configured to add a user record of the MBS service when the active state terminal joins the MBS service or when the active state terminal that has joined the MBS service switches to the base station, and exits the MBS service in the activated state terminal.
  • the active state terminal that joins the MBS service When the active state terminal that joins the MBS service is switched to another base station, the user record corresponding to the terminal in the MBS service is deleted, so that the active terminal statistics module can accurately count the number of active state terminals that receive the specified MBS service according to the record of the synchronization change.
  • the technical solution of the embodiment of the present invention separately counts the number of active state terminals and idle state terminals that receive the MBS service: the number of active state terminals that receive the MBS service is counted according to the user record of the specified MBS service. And obtaining, according to the acquired MBS service information of the idle state terminal in the coverage, the number of idle state terminals that receive the specified MBS service, and then obtaining the MBS service according to the number of active state terminals that receive the MBS service and the number of idle state terminals. The total number of users.
  • the embodiment can simultaneously determine the number of active state terminals and idle state terminals that receive the MBS service, and avoid moving to other base stations or moving from other base stations to the base station without the need for handover in the idle state terminal, so that the designation cannot be accurately evaluated.
  • the number of users of the MBS service By accurately estimating the number of users of the MBS service, the present invention enables the base station to determine whether a point-to-point (PTP) mode or a point-to-multipoint (PTM) is currently used.
  • PTP point-to-point
  • PTM point-to-multipoint
  • the corresponding process is triggered.
  • the terminal joins the MBS service or the activated state terminal that has joined the MBS service switches to the base station
  • the user record of the MBS service is added;
  • the user record corresponding to the terminal in the MBS service is deleted, and when the number of active state terminals that need to receive the MBS service needs to be counted, only Counting the user records to get the corresponding number, eliminating the need for a dedicated statistical process, simplifying the network Side operation.
  • the terminal in the idle state does not notify the base station itself, the terminal can be notified by sending a paging message or sending a statistical indication message on a dedicated multicast broadcast control channel to accurately determine the number of the terminals.
  • the location update process is initiated, and the MBS service information of the terminal in the coverage area is obtained through the location update process of the terminal, thereby counting the number of idle state terminals receiving the specified MBS service.
  • a probability indicator may be carried in the sent statistics message, so that the terminal initiates a location update process according to the random algorithm, and the terminal does not receive the statistical indication after receiving the statistical indication, so that the base station cannot load.
  • the statistics on the number of idle state terminals receiving the MBS service are stopped; or, the base station passes the PTM mode.
  • the MBS service, and the current count of the number of active terminals receiving the MBS service is greater than the switching threshold of the PTM mode to the PTP mode, or the base station carries the MBS service through the PTP mode, and the current count of the number of terminals receiving the MBS service is greater than
  • the handover threshold of the PTP mode to the PTM mode is stopped, the statistics on the number of idle state terminals that receive the MBS service are stopped, and the operations of both the terminal and the base station are minimized without affecting the base station decision.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention porte sur un procédé et une station de base qui permettent de compter les utilisateurs d'un service MBS, procédé selon lequel la station de base détermine le nombre de terminaux recevant le service MBS spécifié. Selon l'invention, la station de base compte respectivement le nombre de terminaux à l'état actif et le nombre de terminaux à l'état de veille; la station de base compte le nombre de terminaux à l'état actif recevant le service MBS sur la base d'un enregistrement concernant l'utilisateur du service MBS spécifié; la station de base compte le nombre de terminaux à l'état de veille recevant le service MBS sur la base d'informations de service MBS du terminal à l'état de veille obtenues dans la zone de couverture; la station de base obtient alors le nombre total d'utilisateurs du service MBS sur la base du nombre de terminaux à l'état actif et du nombre de terminaux à l'état de veille recevant le MBS.
PCT/CN2007/070896 2006-10-13 2007-10-15 Procédé et station de base permettant de compter le nombre d'utilisateurs d'un service mbms Ceased WO2008046350A1 (fr)

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CN2006101319804A CN101163321B (zh) 2006-10-13 2006-10-13 多播广播业务用户数目统计方法及基站

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CN101742407B (zh) * 2008-11-24 2012-11-21 鼎桥通信技术有限公司 一种mbms业务的计数方法
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CN107172594B (zh) * 2016-03-07 2019-11-12 普天信息技术有限公司 一种用于统计小区中终端数量的方法以及装置
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