WO2010130186A1 - 多载波系统中终端的寻呼方法和系统 - Google Patents

多载波系统中终端的寻呼方法和系统 Download PDF

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Publication number
WO2010130186A1
WO2010130186A1 PCT/CN2010/072556 CN2010072556W WO2010130186A1 WO 2010130186 A1 WO2010130186 A1 WO 2010130186A1 CN 2010072556 W CN2010072556 W CN 2010072556W WO 2010130186 A1 WO2010130186 A1 WO 2010130186A1
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WO
WIPO (PCT)
Prior art keywords
carrier
paging
terminal
paging message
message
Prior art date
Application number
PCT/CN2010/072556
Other languages
English (en)
French (fr)
Inventor
李楠
姚珂
吕开颖
陈玉芹
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP10774527.5A priority Critical patent/EP2432294A4/en
Priority to US13/259,340 priority patent/US8699439B2/en
Publication of WO2010130186A1 publication Critical patent/WO2010130186A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to a terminal paging technology, and more particularly to a paging method and system for a terminal in a multi-carrier system.
  • WiMAX Worldwide Interoperability for Microwave Access
  • the Worldwide Interoperability for Microwave Access (WiMAX) technology is a broadband wireless technology based on the IEEE 802.16 standard of the wireless city network.
  • the 802.16m system supports multi-carrier operation.
  • the system may have one or more Fully configured carriers, and the information carried by the system includes all synchronization, broadcast, multicast, and unicast control information in the system.
  • the system may also have one or more Partially configured carriers for downlink transmission, and the information carried by it corresponds to all controls supporting downlink transmission.
  • the fully configured carrier can be used as the primary carrier or the secondary carrier of the terminal; the partially configured carrier can serve as the secondary carrier of the terminal.
  • the prior art defines two modes of operation for the terminal access multi-carrier system. When the terminal accesses the system, the terminal selects an appropriate operation mode according to requirements: Mode 1: Carrier aggregation: The terminal always maintains physical connection with the primary carrier and monitors its main Control information sent by the carrier.
  • Mode 2 Carrier conversion: The terminal can switch its physical connection from the primary carrier to the secondary carrier through the indication of the base station; after connecting with the secondary carrier, the terminal does not need to maintain the physical connection with the primary carrier, and the terminal and the secondary carrier remain for a certain time. After the connection, return to establish a physical connection with the primary carrier.
  • Multicast Broadcast Service (MBS) is a point-to-multipoint service that provides a data source to transmit data to multiple users in a mobile network. It can realize network resource sharing and improve network resource utilization.
  • the WiMAX-based MBS service supports two access modes: single base station access and multiple base station access. In the multi-base station access mode, the MBS zone is defined as a set of base stations, and each MBS zone corresponds to one MBS zone ID.
  • Multicast CID multicast connection identifier
  • the 802.16m system supports Enhanced Multicast Broadcast Service (E-MBS), which requires multicast and wide-band multimedia services. Therefore, multi-carrier and MBS can be combined with each other in an 802.16m system to achieve high throughput and high rate of data transmission.
  • E-MBS Enhanced Multicast Broadcast Service
  • MBS Multicast Broadcast Service
  • the dedicated carrier is usually a partially configured carrier
  • the hybrid carrier is usually a fully configured carrier.
  • the base station When the MBS service is transmitted by the dedicated carrier mode or the hybrid carrier mode, the base station needs to notify the terminal of the correspondence between the multicast connection and its carrier.
  • the radio resource is divided into time-continuous super frames (Super Frame), each super The length of the frame is 20 milliseconds.
  • Each superframe consists of four frame frames of 5 milliseconds and length.
  • Each unit frame contains eight subframes (Sub Frame); the first downlink of each superframe
  • the subframe that is, the subframe 0, includes a super frame header (Super Frame Header) for transmitting system broadcast control information.
  • the MBS service control information sent by the superframe header and the E-MBS control message indicated by the superframe header are used to control the transmission of the MBS service on the superframe.
  • the 802.16m system also provides an idle (Idle) mode to reduce the power consumption of the terminal and reduce the use of air interface resources.
  • a plurality of geographically adjacent base stations are logically divided into a paging group (Paging Group), each paging group has a paging group identifier (Paging Group ID), and one base station can belong to multiple pagings at the same time. group. In this way, each base station saves a Paging Group ID List of its own paging group.
  • the Idle mode allows the terminal to not switch between serving base stations when moving between different base stations within a paging group.
  • the terminal After the Idle mode, the terminal is assigned a terminal identifier, such as a temporary identifier, and alternately operate in the paging listening interval (Paging Listening Interval) and p hunt almost unavailable interval (Paging Unavailable Interval); ⁇ paging listening interval ends Winter Receiving broadcast information of the base station, when the paging group where the base station is located broadcasts the paging message, the terminal parses the paging message at the predetermined location, determines whether the page is paged by the temporary identifier in the paging message, and performs location update or network Re-enter the operation.
  • a terminal identifier such as a temporary identifier
  • the terminal In a multi-carrier system, if the carrier that uses the carrier switching mode works, if the carrier that sends the paging message to the terminal and the carrier that sends the MBS service are not the same carrier, the terminal needs to continuously convert between the two carriers to Receiving paging messages and MBS services, which undoubtedly increases the complexity of terminal operations; at the same time, the continuous switching between terminals in the carrier also enables the system's control signaling to be opened. The pin is enlarged. Therefore, the terminal that accesses the Idle mode, especially the terminal that receives the multicast broadcast service on one or more carriers, can ensure that it can receive the paging message of the system efficiently and timely while receiving the MBS service. This is an urgent problem to be solved.
  • the main object of the present invention is to provide a paging method and system for a terminal in a multi-carrier system, which enables a terminal to receive a paging message of a system efficiently and in a timely manner while receiving an MBS service.
  • the four solutions of the present invention are implemented as follows:
  • the present invention provides a paging method for a terminal in a multi-carrier system, the method comprising: after the terminal enters the idle Idle mode, the system selects a transmission for the terminal.
  • the fully configured carrier of the MBS service serves as a paging carrier, and sends a paging message; the terminal receives the paging message on the paging carrier, and performs a corresponding operation on the paging carrier according to the paging message.
  • the system selects a fully configured carrier that sends an MBS service as a paging carrier, and sends a paging message, specifically: when the terminal works in a carrier aggregation or carrier conversion manner, and in one or more hybrid carriers, Or, when receiving the multicast broadcast MBS service on the one or more hybrid carriers and the one or more dedicated carriers, the system #> selects one of the hybrid carriers that send the MBS service as the paging carrier, and sends the paging message.
  • the system selects a fully configured carrier that sends an MBS service as a paging carrier, and sends a paging message, specifically: when the terminal works in a carrier aggregation manner, and only receives MBS services on one or more dedicated carriers. > Selecting one of the other fully configured carriers allocated to the terminal from the current primary carrier and the system as a paging carrier, and transmitting a paging message.
  • the system selects a fully configured carrier that transmits the MBS service as a paging carrier, and sends a paging message, specifically: when the terminal works in a carrier conversion manner, and receives the MBS only on one or more dedicated carriers.
  • one of the other fully configured carriers currently allocated from the primary carrier and the system for the terminal is selected as a paging carrier, and a paging message is sent; and one of the dedicated carriers for transmitting the MBS service is selected as needed, Send a paging message.
  • the hybrid carrier and the primary carrier are fully configured carriers; the dedicated carrier is a partially configured carrier.
  • the identification information and the operation information to be performed by the terminal are the same as the identification information of the terminal in the paging message sent by the paging carrier and the operation information to be performed by the terminal.
  • the identifier information is a calculated value of the terminal medium access control MAC address, or a temporary identifier allocated by the system to the terminal after the terminal enters the Idle mode; the operation information to be performed by the terminal is determined by the operation field in the paging message. Said.
  • the performing the corresponding operation on the paging carrier according to the paging message specifically: the terminal performing, according to the value of the operation field in the paging message, performing a representation meaning corresponding to the operation field on the paging carrier operating.
  • the operation of characterizing the meaning corresponding to the operation field includes at least: no operation, location update, and/or network reentry.
  • the terminal determines, according to the paging group identifier list carried in the super-frame header of the paging carrier, that the paging group to which the terminal belongs does not change, according to the super
  • the indication information carried by the frame header further determines that the paging group described by itself broadcasts the paging message; and receives the paging message from the paging carrier at a predetermined location according to the indication information.
  • the method further includes: the terminal performing system according to system information carried by the super frame header Synchronization of information.
  • the present invention also provides a paging system for a terminal in a multi-carrier system, the system comprising: a carrier configuration module, configured to select, after the terminal enters the Idle mode, a fully configured carrier that transmits the MBS service as a paging carrier; a message generating module, configured to generate the paging message, and send the paging message, where the message receiving module is configured to receive the paging message sent by the paging carrier, and an operation execution module, configured to: The paging message performs a corresponding operation on the paging carrier.
  • a carrier configuration module configured to select, after the terminal enters the Idle mode, a fully configured carrier that transmits the MBS service as a paging carrier
  • a message generating module configured to generate the paging message, and send the paging message
  • the message receiving module is configured to receive the paging message sent by the paging carrier
  • an operation execution module configured to: The paging message performs a corresponding operation on the
  • the system of the present invention selects a fully configured carrier for transmitting the MBS service as a paging carrier, so that the terminal can receive the paging message without receiving the conversion of the carrier wave while receiving the MBS service, and reduces the terminal receiving paging.
  • the paging carrier is selected for the terminal according to the working mode of the terminal and the working carrier: for working in carrier aggregation or carrier conversion mode, and from one or more hybrid carriers, or
  • the terminal that receives the MBS service on one/multiple hybrid carriers and one/multiple dedicated carriers, the system selects one paging carrier as the terminal from the hybrid carrier working by the terminal according to the need; for working in carrier aggregation mode, and from one /
  • the terminal that receives the MBS service on multiple dedicated carriers the system selects one paging carrier as the terminal from the fully configured carrier working by the terminal according to the need; for the carrier switching mode, and only receives the MBS service from the dedicated carrier Terminal, in addition to selecting a fully configured carrier for the paging carrier, the system will also A paging message containing the terminal identification information transmitted in the dedicated carrier the terminal receives the MBS.
  • FIG. 1 is a schematic diagram of a frame structure used in a multi-carrier system
  • FIG. 2 is a schematic flowchart of a method for paging a terminal in a multi-carrier system according to the present invention
  • 3 is a schematic diagram of a process for receiving a paging message by a terminal according to the present invention
  • FIG. 4 is a schematic diagram of Embodiment 1 of a terminal paging method according to the present invention
  • FIG. 7 is a schematic diagram showing the structure of a paging system of a terminal in a multi-carrier system according to the present invention.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.
  • the method for paging a terminal in the multi-carrier system of the present invention is as shown in FIG. 2.
  • the process includes: Step 201: A terminal enters an Idle mode, and a system (for example, a paging controller at a base station or a network side) selects a sending MBS service for the terminal.
  • the fully configured carrier acts as a paging carrier to transmit paging messages.
  • a fully configured carrier that transmits a paging message is referred to as a paging carrier.
  • the paging message includes the identification information of the terminal, and is used to uniquely identify the terminal in a paging group. Specifically, the identifier information may be a calculated value of a terminal media access control (MAC) address.
  • MAC terminal media access control
  • the identifier information may also be a temporary identifier of the terminal allocated by the system.
  • the identification information may also be other information that can uniquely identify the terminal within a paging group.
  • the base station needs to save the identification information of each terminal in the paging group and the carrier physical frequency or carrier identification information of the corresponding paging carrier.
  • the system selects a paging carrier for the current terminal, the following two situations exist: 1.
  • the terminal works in a carrier aggregation manner.
  • the terminal receives the MBS service on one/multiple hybrid carriers, or one/multiple hybrid carriers and one/multiple dedicated carriers.
  • the system 4 selects one of the mixed carriers that transmit the MBS service as needed.
  • the paging carrier of the terminal is configured to send a paging message including the terminal identification information.
  • one of the paging carrier and the hybrid carrier transmitting the MBS service is the same carrier.
  • the system 4 selects one of the other fully configured carriers allocated for the terminal from the primary carrier and the system as the paging carrier as needed.
  • the paging carrier and the dedicated carrier transmitting the MBS service are not the same carrier. Because The terminal working in the carrier aggregation mode can work on multiple carriers at the same time. Therefore, in this case, the terminal can receive the MBS service and the paging message at the same time without switching between the paging carrier and the dedicated carrier transmitting the MBS service. .
  • the terminal works in the form of carrier conversion. If the terminal receives the MBS service on one/multiple hybrid carriers, or one/multiple hybrid carriers and one/multiple dedicated carriers, in this case, the selection of the paging carrier and the above terminal work in a carrier aggregation manner The same, no longer mentioned here.
  • the working mode of the foregoing terminal is a working mode determined when the terminal negotiates with the base station during network access. If the terminal only receives the MBS service on one or more dedicated carriers, then the system needs to select one of the other fully-configured carriers allocated by the primary carrier and the system as the paging carrier, and also needs to send the MBS service. One of the dedicated carriers is also used to send a paging message.
  • the paging message sent by the paging carrier is referred to as a paging message 1
  • the paging message sent by the dedicated carrier transmitting the MBS service is referred to as a paging message 2
  • the paging message 2 is generated according to the paging message, and both At least the identification information of the terminal and the operation information to be performed by the terminal are the same in the included information.
  • the operation information may be represented by an operation field, and the terminal performs an operation corresponding to the meaning of the representation according to the value of the operation field: location update, network re-entry, or the terminal does not perform any operation, etc., of course, according to the value of the actual operation field, the terminal Other operations can also be performed.
  • the paging carrier and the dedicated carrier transmitting the MBS service are not the same carrier. Because the terminal operating in the carrier switching mode can only work on one carrier at the same time, the present invention generates the paging message 2 according to the paging message, and sends the paging message 2 on the dedicated carrier that sends the MBS service. Therefore, the terminal can receive the paging message at the same time without receiving the carrier conversion when receiving the MBS service.
  • Step 202 The terminal receives the MBS service on the carrier that sends the MBS service, receives the paging message on the paging carrier, and performs a corresponding operation according to the paging message, and the current process ends.
  • the terminal receives the MBS service according to the MBS service control information carried by the super frame header.
  • the system in this embodiment selects a fully configured carrier that sends the MBS service as the paging carrier, so that the terminal can receive the paging message without receiving the carrier conversion, and reduce the terminal receiving the paging.
  • the flow of the terminal receiving the paging message while receiving the MBS service will be explained by the following embodiment.
  • the working state after the terminal enters the idle mode is divided into a paging listening interval and a paging unavailable interval in time.
  • the terminal after the terminal enters the idle mode, it alternately operates in the paging listening interval and the paging unavailable interval according to the paging parameters allocated by the base station.
  • the paging parameters specify the length of the paging listening interval, the time of start and/or end, the length of the paging unavailable interval, the time of start and/or end, and the like.
  • the terminal operates on carrier 1, and according to the paging parameter, the paging listening interval of the terminal is started from the second super-length, and the length is 60 ms (the length of three super- ⁇ ), that is, the fourth super
  • the end of the frame ends; immediately after the end of the paging listening interval, the paging unavailable interval is entered, and its length is 40 ms (the length of 2 super frames).
  • the terminal monitors and receives the data sent by the carrier at the paging listening interval during the paging listening interval; when the terminal is in the paging unavailable interval, the data is only received when the MBS service data arrives, and the data is received.
  • the terminal immediately returns the paging unavailable interval; if the MBS service data arrives again, the terminal receives the data again.
  • Step 301 When the paging listening interval arrives, the terminal starts to receive the carrier transmission. The data.
  • the terminal When the paging listening interval arrives, the terminal receives data on the carrier on which it operates, such as MBS service control information, E-MBS control message, paging message, system information, and broadcast information, and MBS service data, where The MBS service control information, system information, and broadcast information can all be sent through the super frame header, and the paging message can be sent as one message element of the E-MBS control message or as a separate broadcast message.
  • the terminal enters the paging unavailable interval, it does not receive any other downlink data except the MBS service data. Steps 302 to 303, the terminal determines whether the paging group to which the subscriber belongs is changed according to the paging group identifier list carried in the superframe header.
  • step 303 is performed, and the terminal performs location update. If no, step 304 is performed.
  • the terminal accesses a certain base station, it receives a list of paging group identifiers that the base station sends, and stores the information. After the terminal receives the paging group identifier list carried in the super frame header in the paging listening interval, the terminal compares the stored paging group identifier list with the currently received paging group identifier list. In this way, it can be known whether the paging group to which it belongs is changed, and if it is changed, the terminal performs location update.
  • the base station will re-select the paging carrier according to the current location of the terminal.
  • the base station a belongs to the paging group 1 and the paging group. 2
  • the paging group to which all the terminals accessing the base station 1 belong is the paging group 1 and the paging group 2.
  • the paging group identifier list carried in the super frame header currently received by the terminal is the paging group 3 and the homing
  • the call group 4 indicates that the paging group to which the terminal belongs has changed. At this time, the terminal performs location update.
  • Step 304 305 the terminal determines whether the paging group to which it belongs has broadcasted the paging message, and if not, executes Step 305: The terminal does not receive the paging message, and the process ends. If yes, step 306 is performed.
  • the superframe header carries system information, where the system information includes the terminal Whether the paging group has performed the indication information of the broadcast paging message.
  • the indication information indicates that the paging group to which the terminal belongs has broadcasted the paging message
  • the indication information also indicates the moment when the paging message is sent on the carrier. That is, the location where the terminal receives the paging message on the carrier, where the location is the predetermined location at which the terminal receives the paging message. The predetermined location is different depending on the specific situation. If the indication information indicates that the paging group to which the terminal belongs is not performed. The broadcast of the paging message, the terminal does not receive the paging message. Step 306, the terminal receives the paging message at the predetermined location, and performs a corresponding operation according to the paging message.
  • the terminal reserves the paging carrier according to the indication information.
  • the location receives the paging message, and performs an operation corresponding to the meaning of the operation field on the paging carrier.
  • the operations performed by the terminal include: no need to perform any operations, perform location update, or perform network reentry of the terminal, etc., of course, according to actual The value of the action field, the terminal can also perform other operations.
  • the terminal receives the paging message 2 on the dedicated carrier that sends the MBS service; however, the terminal performs the operation corresponding to the meaning of the operation field.
  • the terminal needs to be switched to the paging carrier to perform; for the terminal working in the carrier aggregation mode, and working in the carrier conversion mode, and connected on one/multiple hybrid carriers, one/multiple hybrid carriers and one/multiple dedicated carriers Owing to MBS business
  • the paging carrier is one of the mixed carriers that the working carrier receives, and the terminal receives the paging message on the hybrid carrier, and the operation performed according to the meaning of the corresponding operation field does not need to perform carrier conversion, and may be directly Executed on the hybrid carrier.
  • the terminal needs to synchronize the system information at the listening interval: The terminal synchronizes the corresponding information stored by itself according to the system information received at the listening interval.
  • a paging method of a terminal that operates in a carrier aggregation or carrier conversion manner and that receives an MBS service on one/multiple hybrid carriers, one/multiple hybrid carriers, and one/multiple dedicated carriers is shown in FIG.
  • the black padding indicates a superframe header of a superframe included in the paging interval
  • the grid padding indicates a paging message
  • the twill padding indicates an MBS service
  • the dot padding indicates an MBS service 2.
  • the terminal 1 receives the MBS service 2 on the hybrid carrier 1 and the MBS service 1 on the hybrid carrier 2
  • the terminal 2 receives the MBS service 2 on the hybrid carrier 1, that is, the terminal 1 works on the hybrid carrier 1 and the hybrid carrier 2.
  • the terminal 2 operates on the hybrid carrier 1; then the system selects the hybrid carrier 1 as its common paging carrier for the terminal 1 and the terminal 2, and transmits a paging message.
  • the paging message includes the identification information corresponding to the terminal 1 and the terminal 2, and the operation information that the terminal 1 and the terminal 1 respectively need to perform, such as an operation field.
  • Both terminal 1 and terminal 2 start receiving superframe headers on the carrier on which they operate when the paging listening interval comes, and perform system information synchronization, for example, terminal 1 simultaneously receives the superframe headers of hybrid carrier 1 and hybrid carrier 2; 2 receiving the superframe header of the hybrid carrier 1; meanwhile, when the terminal detects that the paging group in which it is located broadcasts the paging message, it receives the paging message at the predetermined location. If the operation field of the paging message indicates that the terminal needs to perform location update or network re-entry operation, then these operations performed by terminal 1 and terminal 2 will be performed on hybrid carrier 1, i.e., paging carrier. At the end of the paging listening interval, Terminal 1 and Terminal 2 enter the paging unavailable interval.
  • hybrid carrier i.e., paging carrier
  • the terminal 1 and the terminal 2 receive the MBS service on the corresponding carrier according to the MBS service control information in the super frame header while the system information is synchronized and the paging message is received.
  • the terminal 1 receives the MBS service on the hybrid carrier 1
  • the MBS service 1 is received on the hybrid carrier 2;
  • the terminal 2 receives the MBS service 2 on the hybrid carrier 1.
  • the terminal 1 and the terminal 2 receive the MBS services at the corresponding moments, and return to the paging unavailable interval state after the reception is completed.
  • terminal 1 and terminal 2 may also belong to different paging groups.
  • FIG. 5 is a paging method of a terminal that operates in a carrier wave aggregation mode and receives MBS services only on one/multiple dedicated carriers, where black padding indicates a super frame header of a superframe included in a paging interval,
  • the grid fill indicates the paging message, the twill fill indicates the MBS service, and the dot fill indicates the MBS service 2.
  • the terminal 1 and the terminal 2 belong to the same paging group, and the terminal 1 receives the MBS service 1 on the dedicated carrier 1 and the MBS service 2 on the dedicated carrier 2, and the terminal 2 only receives the MBS on the dedicated carrier 2.
  • the system needs to select the fully configured carrier 1 as its common paging carrier for terminal 1 and terminal 2. Since the terminal 1 and the terminal 2 operate in a carrier aggregation manner, they can work on multiple carriers at the same time. Since the terminal 1 and the terminal 2 receive the MBS service on the corresponding dedicated carrier, the carrier 1 can be fully configured. That is, the paging message is received on the paging carrier.
  • the operations performed by terminal 1 and terminal 2 will be performed on the fully configured carrier 1, i.e., the paging carrier.
  • the fully configured carrier i.e., the paging carrier.
  • terminal 1 and terminal 2 may also belong to different paging groups. In this case, their paging listening interval and paging unavailable interval will be different, and terminal 1 and terminal 2 will respectively listen to their own paging. The interval and paging unavailable intervals are used to receive data transmitted by the carrier and perform corresponding operations.
  • the terminal 1 operates on the dedicated carrier 1 and receives the MBS service 1 and the MBS service 2 transmitted by the terminal 1 , and then the system selects the fully configured carrier 1 as its paging carrier for the terminal 1 as needed. Send a paging message one.
  • the paging message is the paging message one sent on the fully configured carrier 1.
  • the system generates a paging message according to the paging message. Second, and send it on dedicated carrier 1.
  • the terminal 1 can receive the paging message while receiving the MBS service on the dedicated carrier 1.
  • the terminal 1 performs the operation according to the operation field of the paging message two. When the corresponding operation is performed, it needs to be converted to full configuration carrier 1 for execution.
  • the present invention further provides a system for implementing terminal paging. As shown in FIG. 7, the system includes: a carrier configuration module 10, a message generation module 20, a message receiving module 30, and operation execution.
  • the module 40 is configured to: after the terminal enters the Idle mode, select a sending for the terminal.
  • the full-configuration carrier of the MBS service is used as the paging carrier; the message generating module 20 is configured to generate a paging message, and is sent on the paging carrier; the message receiving module 30 is configured to receive the paging message sent by the paging carrier; The module 40 is configured to perform a corresponding operation on the paging carrier according to the paging message.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • the computing device may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed or fabricated separately into individual integrated circuit modules, or multiple of the modules or steps are fabricated as a single integrated circuit module.
  • the invention is not limited to any particular combination of hardware and software. The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

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  • Mobile Radio Communication Systems (AREA)

Description

多载波系统中终端的寻呼方法和系统 技术领域 本发明涉及终端寻呼技术， 特别是指一种多载波系统中终端的寻呼方法 和系统。 背景技术 宽带无线接入微波存取全球互通 （WiMAX, Worldwide Interoperability for Microwave Access ) 技术是基于无线城戈网 IEEE 802.16标准的宽带无线 技术。 802.16m 系统支持多载波 （ Multicarrier ) 操作， 系统中可以有一个或 多个全配置载波（ Fully configured carrier ) , 其携带的信息包括系统中所有同 步、 广播、 多播和单播的控制信息， 以及多载波和其他栽波操作的信息和参 数； 同时， 系统中还可以有一个或多个仅用于下行传输的部分配置栽波 ( Partially configured carrier ) ,其携带的信息对应支持下行传输的所有控制信 道。 其中， 全配置载波可以作为终端的主载波或者辅载波； 部分配置载波可 以作为终端的辅载波。 现有技术对于终端接入多载波系统规定了两种操作模式， 终端在接入系 统时， 根据需要选择合适的操作模式： 模式一、 载波聚合： 终端总与主载波保持物理连接并监控其主载波发送 的控制信息。 模式二、 载波转换： 通过基站的指示， 终端可将其物理连接由主载波切 换到辅载波； 在和辅载波连接后， 终端无需维持与主载波的物理连接， 并且 终端和辅载波保持一定时间的连接后返回与主载波建立物理连接。 多播广播业务 ( Multicast Broadcast Service, MBS )是在移动网络中提供 一个数据源向多个用户传送数据的点到多点业务， 能够实现网络资源共享， 提高网络资源的利用率。 基于 WiMAX的 MBS业务支持两种接入模式： 单 基站接入和多基站接入。 在多基站接入模式下， 定义了 MBS域（ MBS zone ) 的 4既念， 即一组基站的集合，每个 MBS zone对应一个 MBS zone标识 ( MBS zone ID )。 - ~~个 έ占可肯 同日于属于多个 MBS zone, 每个 MBS zone可以提供 多个 MBS 业务 （MBS service )。 现有 WiMAX 系统中， 以多播连接标识 ( Multicast CID ) 来标识多播业务。
802.16m系统支持增强型的多播广播业务 （ E-MBS , Enhanced-Multicast Broadcast Service ), 即需要实现高速多媒体业务的多播和广 ·ί番。 因此， 在 802. 16m系统中可以将多载波和 MBS相互结合，以达到数据传输的高呑吐量 和高速率的要求。 多栽波上^载 MBS 业务的方式有两种： 一是专用载波方 式， MBS 业务独占某个载波上的所有时频资源； 一是混合载波方式， MBS 业务与单播业务共享载波上的时频资源。 其中， 专用载波通常是一个部分配 置栽波， 而混合载波通常是一个全配置载波。 釆用专用栽波方式或者混合载 波方式发送 MBS 业务时， 基站都需要通知终端多播连接及其所在载波之间 的对应关系。 当前 802.16m系统中载波的帧结构设计中采用了超帧、 单位帧和子帧的 三层结构，如图 1所示，将无线资源划分为时间上连续的超帧（Super Frame ), 每个超帧的时间长度为 20毫秒， 每个超帧由四个 5 毫秒、时间长度的单位帧 ( Frame )組成， 每个单位帧包含八个子帧 （ Sub Frame ); 每个超帧的第一个 下行子帧， 即子帧 0内包含超帧头 （ Super Frame Header ), 该超帧头用于发 送系统广播控制信息。 其中， 超帧头发送的 MBS 业务控制信息和由其指示 的 E-MBS控制消息用以控制 MBS业务在超帧上的发送。
802.16m系统还提供空闲 （ Idle )模式， 目的在于减少终端的功耗并降低 对空口资源的使用。 多个地理位置相邻的基站在逻辑上被划分到一个寻呼组 ( Paging Group ) 内， 每个寻呼组具有一个寻呼组标识 （ Paging Group ID ) , 一个基站可以同时属于多个寻呼组。 这样， 每个基站都会保存一个自己所属 寻呼組的寻呼组标识列表 ( Paging Group ID List )。 Idle模式允许终端在一个 寻呼組内的不同基站间移动时不进行服务基站的切换。 进入 Idle模式后， 终 端被分配一个终端标识， 如临时标识， 并交替工作在寻呼监听间隔 （Paging Listening Interval ) 和寻 p乎不可用间隔 ( Paging Unavailable Interval )； έ冬端在 寻呼监听间隔接收基站的广播信息，当该基站所在的寻呼组广播寻呼消息时， 终端在预定位置解析寻呼消息， 通过寻呼消息中的临时标识确定自己是否被 寻呼， 并进行位置更新或者网络重进入等操作。 在多载波系统中， 对于采用载波转换方式工作的终端， 如果向终端发送 寻呼消息的载波和发送 MBS 业务的载波不是同一个载波， 那么终端需要在 这两种载波间不停的转换， 以接收寻呼消息和 MBS 业务， 这无疑增加了终 端操作的复杂度； 同时， 终端在载波间的不断转换， 也使系统的控制信令开 销增大。 因此， 对进入 Idle模式后进行寻呼的终端， 特别是在一个或多个载 波上接收多播广播业务的终端， 如何保证其在接收 MBS 业务的同时能够高 效及时地接收系统的寻呼消息， 这是一个亟待解决的问题。 发明内容 有鉴于此， 本发明的主要目的在于提供一种多载波系统中终端的寻呼方 法和系统， 能够使终端在接收 MBS 业务的同时高效、 及时地接收系统的寻 呼消息。 为达到上述目的， 本发明的 4支术方案是这样实现的： 本发明提供了一种多载波系统中终端的寻呼方法， 该方法包括： 终端进入空闲 Idle模式后， 系统为终端选择一个发送 MBS业务的全配 置载波作为寻呼载波， 发送寻呼消息； 终端在所述寻呼载波上接收所述寻呼消息， 并依据所述寻呼消息在所述 寻呼载波上执行相应的操作。 其中， 所述系统为终端选择一个发送 MBS 业务的全配置载波作为寻呼 载波， 发送寻呼消息， 具体为： 当终端以载波聚合或载波转换的方式工作， 且在一个 /多个混合载波、 或 者一个 /多个混合载波和一个 /多个专用载波上接收多播广播 MBS业务时， 系 统#>据需要从发送 MBS 业务的所述混合载波中选取一个作为寻呼载波， 发 送寻呼消息。 所述系统为终端选择一个发送 MBS 业务的全配置载波作为寻呼载波， 发送寻呼消息， 具体为： 当终端以载波聚合的方式工作， 且只在一个 /多个专用载波上接收 MBS 业务时， >据需要从当前主载波和系统为所述终端分配的其他全配置载波中 选取一个作为寻呼载波， 发送寻呼消息。 所述系统为终端选择一个发送 MBS 业务的全配置载波作为寻呼载波， 发送寻呼消息， 具体为： 当终端以载波转换的方式工作， 且只在一个 /多个专用载波上接收 MBS 业务时， 根据需要当前从主载波和系统为所述终端分配的其他全配置载波中 选取一个作为寻呼载波， 发送寻呼消息； 并且根据需要从发送 MBS 业务的 所述专用载波中选取一个， 发送寻呼消息。 所述混合载波和所述主载波为全配置载波； 所述专用载波为部分配置载 波。 终端以载波转换的方式工作， 且只在一个 /多个专用载波上接收 MBS业 务时， 该方法还包括： 依据所述寻呼载波发送的所述寻呼消息生成所述发送 MBS 业务的专用 载波发送的所述寻呼消息； 所述终端在所述发送 MBS 业务的专用载波上接 收所述寻呼消息； 所述发送 MBS 业务的专用载波发送的所述寻呼消息包含的信息中， 至 少终端的标识信息和终端需执行的操作信息与所述寻呼载波发送的所述寻呼 消息中的终端的标识信息和终端需执行的操作信息相同。 所述标识信息为终端介质访问控制 MAC地址的计算值， 或者为终端进 入 Idle模式后系统为所述终端分配的临时标识； 所述终端需执行的操作信息由所述寻呼消息中的操作字段表示。 所述依据寻呼消息在所述寻呼载波上执行相应的操作， 具体为： 终端依据所述寻呼消息中操作字段的值， 在所述寻呼载波上执行与操作 字段所对应表征含义的操作。 所述与操作字段所对应表征含义的操作至少包括： 不进行任何操作、 位 置更新和 /或网络重入。 所述终端在寻呼载波上接收所述寻呼消息， 具体为： 终端依据寻呼载波超帧头中携带的寻呼组标识列表， 判定自身所属的寻 呼组没有改变时， 依据所述超帧头携带的指示信息进一步判定自身所述的寻 呼组进行了寻呼消息的广播； 并依据所述指示信息， 在预定的位置从所述寻 呼载波上接收寻呼消息。 该方法进一步包括： 所述终端依据所述超帧头携带的系统信息进行系统 信息的同步。 本发明还提供了一种多载波系统中终端的寻呼系统， 该系统包括： 载波配置模块， 用于在终端进入 Idle模式后， 为终端选择一个发送 MBS 业务的全配置载波作为寻呼载波； 消息生成模块， 用于生成所述寻呼消息， 并在所述寻呼载波上发送； 消息接收模块， 用于接收所述寻呼载波发送的所述寻呼消息； 操作执行模块， 用于依据所述寻呼消息在所述寻呼载波上执行相应的操 作。 本发明的系统为终端选择一个发送 MBS 业务的全配置载波作为寻呼载 波， 使终端在接收 MBS 业务的同时， 不必经过栽波的转换就可以接收到寻 呼消息， 减小了终端接收寻呼消息时系统相关信令的开销； 更具体地， 依据终端工作方式以及工作载波的不同， 为终端选取寻呼载 波： 对于以载波聚合或载波转换方式工作， 且从一个 /多个混合载波、 或者一 个 /多个混合载波和一个 /多个专用载波上接收 MBS业务的终端， 系统才 据需 要从终端工作的混合载波中选取一个作为终端的寻呼载波； 对于以载波聚合 方式工作， 且从一个 /多个专用载波上接收 MBS业务的终端， 系统才 据需要 从终端工作的全配置载波中选取一个作为终端的寻呼载波； 对于以载波转换 方式工作， 且只从专用载波上接收 MBS 业务的终端， 系统除了为其选择一 个全配置载波作为寻呼载波外， 还将包含该终端标识信息的寻呼消息在该终 端接收 MBS业务的专用载波上发送。 如此， 终端在接收 MBS业务的同时， 不必经过载波的转换就可以接收到寻呼消息， 进行寻呼； 这样就简化了终端 接收寻呼消息的操作流程， 同时也减小了终端接收寻呼消息时系统相关信令 的开销， 使终端在接收 MBS 业务的同时能够高效及时地接收系统的寻呼消 息。 附图说明 图 1为多载波系统中采用的帧结构示意图； 图 2为本发明多载波系统中终端寻呼的方法流程示意图； 图 3为本发明终端接收寻呼消息的流程示意图； 图 4为本发明终端寻呼方法实施例一的示意图； 图 5为本发明终端寻呼方法实施例二的示意图； 图 6为本发明终端寻呼方法实施例三的示意图； 图 7为本发明多载波系统中终端的寻呼系统结构示意图。 具体实施方式 下面结合附图和具体实施例对本发明的技术方案进一步详细阐述。 本发明多载波系统中终端寻呼的方法如图 2所示， 该流程包括： 步骤 201 , 终端进入 Idle模式， 系统 （例如， 基站或网络侧的寻呼控制 器） 为终端选择一个发送 MBS 业务的全配置载波作为寻呼载波， 以发送寻 呼消息。 本发明中， 将发送寻呼消息的全配置载波称为寻呼栽波。 其中， 寻呼消 息包含了该终端的标识信息， 用于在一个寻呼組内唯一标识该终端。具体地， 标识信息可以是终端介质访问控制 （ MAC , Media Access Control )地址的计 算值； 终端进入 Idle模式后， 较佳地， 该标识信息还可以是由系统分配的一 个该终端的临时标识。 当然， 标识信息还可以是其他能够在一个寻呼组内唯 一标识该终端的信息。 基站需要保存每个终端在寻呼组内的标识信息及其对 应的寻呼载波的载波物理频点或载波标识信息。 系统为当前终端选择寻呼载波时存在以下两种情况： 1、 终端以载波聚合的方式工作。 果终端在一个 /多个混合栽波、 或者 一个 /多个混合载波和一个 /多个专用载波上接收 MBS业务， 较佳地， 系统 4艮 据需要从发送 MBS 业务的混合载波中选取一个作为终端的寻呼载波， 用以 发送包含该终端标识信息的寻呼消息。 此种情况下， 寻呼载波和发送 MBS 业务的混合载波中的某一个是同一个载波。 如果终端只在一个 /多个专用载波上接收 MBS业务， 那么系统 4艮据需要 从主载波和系统为该终端分配的其他全配置载波中选取一个作为寻呼载波。 此种情况下， 寻呼载波和发送 MBS 业务的专用载波不是同一个载波。 因为 以载波聚合方式工作的终端可以同时工作在多个载波上， 所以这种情况下， 终端不用在寻呼载波和发送 MBS 业务的专用载波之间转换， 就可以同时接 收到 MBS业务和寻呼消息。
2、 终端以载波转换的方式工作。 如果终端在一个 /多个混合栽波、 或者 一个 /多个混合载波和一个 /多个专用栽波上接收 MBS业务， 此种情况下寻呼 载波的选取与上述终端以载波聚合的方式工作时相同， 此处不再赞述。
上述终端的工作方式为在网络接入时，终端与基站能力协商时确定的工作 方式。 如果终端只在一个 /多个专用载波上接收 MBS业务， 那么系统除了才 据 需要从主载波和系统为该终端分配的其他全配置载波中选取一个作为寻呼载 波外， 还需要从发送 MBS业务的专用载波中选取一个也用来发送寻呼消息。 将寻呼载波发送的寻呼消息称为寻呼消息一， 将发送 MBS 业务的专用载波 发送的寻呼消息称为寻呼消息二， 其中， 寻呼消息二依据寻呼消息一生成， 两者包含的信息中至少终端的标识信息和终端需执行的操作信息是相同的。 其中， 操作信息可以通过操作字段来表示， 终端根据操作字段的值来执行对 应表征含义的操作： 位置更新、 网络重进入或者终端不用执行任何操作等， 当然， 根据实际的操作字段的值， 终端也可以执行其他的操作。 此种情况下， 寻呼载波和发送 MBS 业务的专用载波不是同一个载波。 因为以载波转换方式工作的终端在同一时间只能工作在一个载波上， 所以， 本发明依据寻呼消息一生成了寻呼消息二， 并将寻呼消息二在发送 MBS 业 务的专用载波上发送， 如此终端在接收 MBS 业务时不用进行载波转换就可 以同时接收到寻呼消息。 步骤 202, 终端在发送 MBS业务的载波上接收 MBS业务， 同时在寻呼 载波上接收寻呼消息 , 并依据寻呼消息执行相应的操作 , 当前流程结束。 终端依据超帧头携带的 MBS业务控制信息来接收 MBS业务，此处为现 有技术， 不再赞述。 本实施例的系统为终端选择一个发送 MBS 业务的全配置载波作为寻呼 载波， 使终端在接收 MBS 业务的同时， 不必经过载波的转换就可以接收到 寻呼消息， 减小了终端接收寻呼消息时系统相关信令的开销。 终端在接收 MBS 业务的同时接收寻呼消息的流程将通过下面的实施例 来说明。 终端进入空闲模式后的工作状态在时间上分为寻呼监听间隔和寻呼不可 用间隔。 即终端进入空闲模式后会依据基站分配的寻呼参数， 交替工作在寻 呼监听间隔和寻呼不可用间隔。 寻呼参数规定了寻呼监听间隔的长度、 开始 和 /或结束的时间， 寻呼不可用间隔的长度、 开始和 /或结束的时间等。 ^叚设 终端工作在载波 1上， 艮据寻呼参数得知该终端的寻呼监听间隔从第二个超 桢开始、 长度为 60ms ( 3个超桢的长度）、 即在第 4个超帧尾结束； 寻呼监 听间隔结束后，马上进入寻呼不可用间隔，其长度为 40ms( 2个超帧的长度）。 其中， 终端在寻呼监听间隔一直监听并接收载波在该寻呼监听间隔发送的数 据； 终端处在寻呼不可用间隔时， 只有当 MBS 业务数据到来， 才会开始接 收数据， 当数据接收完毕， 终端立即返回寻呼不可用间隔； 如果再有 MBS 业务数据到来， 终端再次进行接收， 如果在寻呼不可用间隔没有 MBS 业务 数椐， 则终端一直保持寻呼不可用状态， 直到寻呼不可用间隔结束。 终端交 替工作在寻呼监听间隔和寻呼不用间隔， 可以节省终端的耗电。 下面以混合载波作为寻呼载波为例来说明终端在接收 MBS 业务的同时 接收寻呼消息的流程， 如图 3所示， 包括： 步骤 301， 在寻呼监听间隔到来时， 终端开始接收载波发送的数据。 在寻呼监听间隔到来时， 终端在其工作的载波上接收数据， 如 MBS 业 务控制信息、 E-MBS控制消息、寻呼消息、 系统信息和广播信息等下行数据， 以及 MBS业务数据， 其中， MBS业务控制信息、 系统信息、 广播信息都可 以通过超帧头发送、 寻呼消息既可以作为 E-MBS 控制消息的一个消息元素 发送， 也可以作为单独的广播消息发送。 当终端进入寻呼不可用间隔时， 除 了 MBS业务数据外， 不接收其他的任何下行数据。 步骤 302~303 , 终端依据超帧头中携带的寻呼组标识列表， 判断自身所 属的寻呼组是否改变， 如果是， 则执行步骤 303， 终端进行位置更新； 如果 否， 则执行步骤 304。 当终端接入某个基站时， 会接收到基站发送的该基站所属的寻呼组标识 列表， 并存储。 当终端在寻呼监听间隔接收到超帧头中携带的寻呼组标识列 表后， 将自身存储的寻呼组标识列表与当前接收到的寻呼组标识列表进行比 较， 如此可以得知自身所属的寻呼组是否改变， 如果改变， 终端进行位置更 新。如果执行位置更新后， 终端的多 ·¾ "连接及其所在载波对应关系发生改变， 基站会依据终端当前的位置重新为其选择寻呼载波。 例如， 基站 a属于寻呼 组 1和寻呼组 2 , 则接入基站 1的所有终端所属的寻呼组为寻呼组 1和寻呼 组 2。 如果终端当前接收到的超帧头中携带的寻呼组标识列表为寻呼组 3和 寻呼組 4 , 说明终端所属的寻呼组发生了变化， 此时， 终端进行位置更新。 执行位置更新后， 终端的多播连接及其所在载波对应关系发生改变， 基站重 新为该终端选取寻呼载波。寻呼载波的重新选取与步據 201所述的方法相同， 此处不再赘述。 步骤 304 305，终端判断自身所属的寻呼组是否进行了寻呼消息的广播， 如果否， 则执行步骤 305 , 终端不接收寻呼消息， 该流程结束； 如果是， 执 行步-骤 306 一般， 超帧头中携带有系统信息， 该系统信息包含了终端所属的寻呼组 是否进行了广播寻呼消息的指示信息， 如果指示信息表明该终端所属的寻呼 组进行了寻呼消息的广播， 那么该指示信息同时还表明了寻呼消息在载波上 发送的时刻， 即终端在载波上接收寻呼消息的位置， 该位置即为终端接收寻 呼消息的预定位置。 该预定位置因为具体情况的不同而不同。 如果指示信息表明该终端所属的寻呼组没有进行寻呼消息的广播， 那么 终端不接收寻呼消息。 步骤 306, 终端在预定的位置接收寻呼消息， 并依据寻呼消息执行相应 的操作。 这里， 终端依据上述指示信息在寻呼载波上预定的位置接收寻呼消息， 并在寻呼载波上执行与操作字段对应表征含义的操作。终端执行的操作包括： 不需要执行任何操作、 进行位置更新或终端进行网络重入等， 当然根据实际 的操作字段的值， 终端也可以执行其他的操作。 需要指出的是， 对于以载波转换方式工作， 且只在专用载波上接收 MBS 业务的终端， 该终端是在发送 MBS 业务的专用载波上接收寻呼消息二； 但 是，上述终端执行操作字段对应表征含义的操作则需要转换到寻呼载波执行； 而对于以载波聚合方式工作的终端， 以及以载波转换方式工作， 且在一个 / 多个混合载波、 一个 /多个混合载波和一个 /多个专用载波上接欠 MBS业务的 终端， 其寻呼载波为其工作的混合载波中的一个， 终端是在该混合载波上接 收寻呼消息， 则上述根据操作字段对应表征含义进行的操作不需要进行载波 的转换， 就可以直接在该混合载波上执行。 另外， 终端还需要在监听间隔进行系统信息的同步： 终端依据在监听间 隔接收到的系统信息， 对自身存储的相应信息进行同步。 如果终端在寻呼参 数规定的寻呼监听间隔内没有完成全部系统信息的同步， 那么终端会一直处 于寻呼监听间隔，直到完成全部系统信息的同步后， 才进入寻呼不可用间隔。 下面结合具体的实施例来说明本发明的方法。 本发明中以载波聚合或载波转换方式工作， 且在一个 /多个混合载波、一 个 /多个混合载波和一个 /多个专用载波上接收 MBS业务的终端的寻呼方法如 图 4所示， 其中， 黑色填充表示寻呼间隔内包括的超帧的超帧头、 网格填充 表示寻呼消息、 斜纹填充表示 MBS业务一、 点状填充表示 MBS业务二。 在 该实施例中， 假设终端 1和终端 2为以载波聚合方式工作的终端， 都已经进 入 Idle模式， 且这两个终端都属于一个寻呼组， 两者的寻呼监听间隔和寻呼 不可用间隔是相同的。 其中， 终端 1接收混合载波 1上的 MBS业务二和混 合栽波 2上的 MBS业务一， 终端 2接收混合载波 1上的 MBS业务二， 即终 端 1工作在混合载波 1和混合载波 2上， 终端 2工作在混合载波 1上； 那么 系统为终端 1和终端 2选取混合载波 1作为它们的共同的寻呼载波， 发送寻 呼消息。需要指出的是，该寻呼消息中包括终端 1和终端 2对应的标识信息， 以及终端 1和终端 1分别需要执行的操作信息， 如操作字段。 终端 1和终端 2均在寻呼监听间隔到来时， 开始在其工作的载波上接收 超帧头， 进行系统信息的同步， 如终端 1 同时接收混合载波 1和混合载波 2 的超帧头； 终端 2接收混合载波 1的超帧头； 同时， 当终端检测到自己所在 的寻呼组进行寻呼消息的广播时， 在预定位置接收寻呼消息。 如果寻呼消息 的操作字段表示终端需要进行位置更新或网络重进入的操作， 那么终端 1和 终端 2进行的这些操作将在混合载波 1、 即寻呼载波上进行。 寻呼监听间隔 结束时， 终端 1和终端 2进入寻呼不可用间隔。 终端 1和终端 2在进行系统信息同步、 接收寻呼消息的同时， 还根据超 帧头中的 MBS业务控制信息分别在相应载波上接收 MBS业务，如终端 1在 混合载波 1上接收 MBS业务二、 在混合载波 2上接收 MBS业务一； 终端 2 在混合载波 1上接收 MBS业务二。 在寻呼不可用间隔， 仍有终端 1和终端 2 各自希望接收的 MBS业务， 则终端 1和终端 2在相应的时刻对这些 MBS业 务进行接收， 接收完毕返回寻呼不可用间隔状态。 当然， 终端 1和终端 2也可能属于不同的寻呼组， 这种情况下， 它们的 寻呼监听间隔和寻呼不可用间隔将不同， 则终端 1和终端 2将分别按照自身 的寻呼监听间隔和寻呼不可用间隔来接收载波发送的数据， 并进行相应的操 作。 图 5所示为以栽波聚合方式工作， 只在一个 /多个专用栽波上接收 MBS 业务的终端的寻呼方法， 其中， 黑色填充表示寻呼间隔内包括的超帧的超帧 头、 网格填充表示寻呼消息、斜紋填充表示 MBS业务一、点状填充表示 MBS 业务二。 在该实施例中， 设终端 1和终端 2属于同一个寻呼组， 终端 1接 收专用载波 1上的 MBS业务一和专用载波 2上的 MBS业务二， 终端 2只接 收专用载波 2上的 MBS的业务二， 则系统根椐需要为终端 1和终端 2选取 全配置载波 1作为它们的共同的寻呼载波。 由于终端 1和终端 2是以载波聚 合方式工作的， 可以同时工作在多个载波上， 因 jt匕终端 1和终端 2在相应的 专用载波上接收 MBS业务的同时， 还可以在全配置载波 1、 即寻呼载波上接 收寻呼消息。 如果寻呼消息的操作字段表示终端需要进行位置更新或网络重 进入的操作， 那么终端 1和终端 2进行的这些操作将在全配置载波 1、 即寻 呼载波上进行。 当然， 终端 1和终端 2也可能属于不同的寻呼組， 这种情况下， 它们的 寻呼监听间隔和寻呼不可用间隔将不同， 则终端 1和终端 2将分别按照自身 的寻呼监听间隔和寻呼不可用间隔来接收载波发送的数据， 并进行相应的操 作。 图 6所示为以载波转换方式工作，且只在一个 /多个专用载波上接收 MBS 业务的终端的寻呼方法， 其中， 黑色填充表示寻呼间隔内包括的超帧的超帧 头、 网格填充表示寻呼消息一、 方格填充表示寻呼消息二、 斜纹填充表示 MBS业务一、 点状填充表示 MBS业务二。 在该实施例中， ¾设终端 1工作 在专用载波 1上， 接收其发送的 MBS业务一和 MBS业务二， 那么系统才 据 需要为终端 1选择全配置载波 1作为其寻呼载波， 用以发送寻呼消息一。 当 终端 1所在的寻呼组进行了寻呼消息的广播时， 该寻呼消息即为在全配置载 波 1上发送的寻呼消息一， 此时， 系统依据该寻呼消息一生成寻呼消息二， 并将其在专用载波 1上发送。 如此， 终端 1在专用载波 1上接收 MBS业务 的同时， 还可以接收寻呼消息。 但是， 终端 1根据寻呼消息二的操作字段执 行相应的操作时， 需要转换到全配置载波 1上执行。 为了实现上述终端寻呼的方法， 本发明还提供了一种实现终端寻呼的系 统， 如图 7所示， 该系统包括： 载波配置模块 10、 消息生成模块 20、 消息 接收模块 30和操作执行模块 40; 其中， 载波配置模块 10 , 用于在终端进入 Idle模式后， 为终端选择一个发送
MBS业务的全配置载波作为寻呼载波； 消息生成模块 20， 用于生成寻呼消息， 并在寻呼载波上发送； 消息接收模块 30， 用于接收寻呼载波发送的寻呼消息； 操作执行模块 40， 用于依据寻呼消息在寻呼载波上执行相应的操作。 显然， 本领域的技术人员应该明白， 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现， 它们可以集中在单个的计算装置上， 或者分布 在多个计算装置所组成的网络上， 可选地， 它们可以用计算装置可执行的程 序代码来实现， 从而， 可以将它们存储在存储装置中由计算装置来执行， 并 且在某些情况下， 可以以不同于此处的顺序执行所示出或描述的步 或者 将它们分别制作成各个集成电路模块， 或者将它们中的多个模块或步骤制作 成单个集成电路模块来实现。 这样， 本发明不限制于任何特定的硬件和软件 结合。 以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保护 范围。

Claims

权 利 要 求 书
1. 一种多载波系统中终端的寻呼方法， 其特征在于， 该方法包括： 终端进入空闲 Idle模式后， 系统为终端选择一个发送多播广播业 务即 MBS业务的全配置载波作为寻呼载波， 发送寻呼消息；
终端在所述寻呼载波上接收所述寻呼消息， 并依据所述寻呼消息 在所述寻呼载波上执行相应的操作。
2. 根据权利要求 1所述多载波系统中终端的寻呼方法， 其特征在于， 所 述系统为终端选择一个发送 MBS业务的全配置载波作为寻呼载波，发 送寻呼消息， 具体为：
当终端以载波聚合或载波转换的方式工作， 且在一个 /多个混合载 波、 或者一个 /多个混合载波和一个 /多个专用载波上接收多播广播 MBS业务时， 系统根据需要从发送 MBS业务的所述混合载波中选取 一个作为寻呼载波， 发送寻呼消息。
3. 根据权利要求 1所述多栽波系统中终端的寻呼方法， 其特征在于， 所 述系统为终端选择一个发送 MBS业务的全配置栽波作为寻呼载波，发 送寻呼消息， 具体为：
当终端以载波聚合的方式工作， 且只在一个 /多个专用载波上接收 MBS业务时， 4 据需要从当前主载波和系统为所述终端分配的其他全 配置载波中选取一个作为寻呼载波， 发送寻呼消息。
4. 根据权利要求 1所述多载波系统中终端的寻呼方法， 其特征在于， 所 述系统为终端选择一个发送 MBS业务的全配置载波作为寻呼载波，发 送寻呼消息， 具体为：
当终端以载波转换的方式工作， 且只在一个 /多个专用载波上接收 MBS业务时，才艮据需要从当前主载波和系统为所述终端分配的其他全 配置载波中选取一个作为寻呼载波， 发送寻呼消息； 并且 #>据需要从 发送 MBS业务的所述专用栽波中选取一个， 发送寻呼消息。
5. 根据权利要求 2、 3或 4所述多载波系统中终端的寻呼方法， 其特征在 于， 所述混合载波和所述主载波为全配置载波； 所述专用载波为部分 配置载波。
6. 根据权利要求 5所述多载波系统中终端的寻呼方法， 其特征在于， 终 端以载波转换的方式工作， 且只在一个 /多个专用载波上接收 MBS 业 务时， 该方法还包括：
依据所述寻呼载波发送的所述寻呼消息生成所述发送 MBS 业务 的专用载波发送的所述寻呼消息；所述终端在所述发送 MBS业务的专 用载波上接收所述寻呼消息；
所述发送 MBS 业务的专用载波发送的所述寻呼消息包含的信息 中， 至少终端的标识信息和终端需执行的操作信息与所述寻呼载波发 送的所述寻呼消息中的终端的标识信息和终端需执行的操作信息相 同。
7. 根据权利要求 6所述多载波系统中终端的寻呼方法， 其特征在于， 所述标识信息为终端介廣访问控制 MAC 地址的计算值， 或者为 终端进入 Idle模式后系统为所述终端分配的临时标识；
所述终端需执行的操作信息由所述寻呼消息中的操作字段表示。
8. 根据权利要求 7所述多载波系统中终端的寻呼方法， 其特征在于， 所 述依据寻呼消息在所述寻呼载波上执行相应的操作， 具体为：
终端依据所述寻呼消息中操作字段的值， 在所述寻呼载波上执行 与所述操作字段所对应表征含义的操作。
9. 根据权利要求 8所述多载波系统中终端的寻呼方法， 其特征在于， 所 述与操作字段所对应表征含义的操作至少包括以下之一： 不进行任何 操作、 位置更新和网络重入。
10. 根据权利要求 9所述多栽波系统中终端的寻呼方法， 其特征在于， 所 述终端在寻呼载波上接收所述寻呼消息， 具体为：
终端依据寻呼载波超帧头中携带的寻呼组标识列表， 判定自身所 属的寻呼组没有改变时， 依据所述超帧头携带的指示信息进一步判定 自身所述的寻呼组已进行寻呼消息的广播； 并依据所述指示信息， 在 预定的位置从所述寻呼载波上接收寻呼消息。
11. 才艮据权利要求 10所述多载波系统中终端的寻呼方法， 其特征在于， 该 方法进一步包括： 所述终端依据所述超帧头携带的系统信息进行系统 信息的同步。
12. 一种多载波系统中终端的寻呼系统， 其特征在于， 该系统包括： 载波配置模块， 用于在终端进入 Idle模式后， 为终端选择一个发 送 MBS业务的全配置载波作为寻呼载波；
消息生成模块， 用于生成所述寻呼消息， 并在所述寻呼载波上发 送；
消息接收模块， 用于接收所述寻呼载波发送的所述寻呼消息； 操作执行模块， 用于依椐所述寻呼消息在所述寻呼载波上执行相 应的操作。
PCT/CN2010/072556 2009-05-11 2010-05-10 多载波系统中终端的寻呼方法和系统 WO2010130186A1 (zh)

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