WO2018170890A1 - 系统信息指示方法及其装置、通信系统 - Google Patents

系统信息指示方法及其装置、通信系统 Download PDF

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Publication number
WO2018170890A1
WO2018170890A1 PCT/CN2017/078100 CN2017078100W WO2018170890A1 WO 2018170890 A1 WO2018170890 A1 WO 2018170890A1 CN 2017078100 W CN2017078100 W CN 2017078100W WO 2018170890 A1 WO2018170890 A1 WO 2018170890A1
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Prior art keywords
system information
flag
index
area
related index
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PCT/CN2017/078100
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English (en)
French (fr)
Inventor
史玉龙
贾美艺
周华
Original Assignee
富士通株式会社
史玉龙
贾美艺
周华
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Application filed by 富士通株式会社, 史玉龙, 贾美艺, 周华 filed Critical 富士通株式会社
Priority to CN201780088180.5A priority Critical patent/CN110431887A/zh
Priority to CN202310159858.1A priority patent/CN116073960A/zh
Priority to PCT/CN2017/078100 priority patent/WO2018170890A1/zh
Priority to JP2019551340A priority patent/JP2020511841A/ja
Publication of WO2018170890A1 publication Critical patent/WO2018170890A1/zh
Priority to US16/571,856 priority patent/US11582813B2/en
Priority to JP2022038518A priority patent/JP7338725B2/ja
Priority to US17/986,387 priority patent/US12004242B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1614—Details of the supervisory signal using bitmaps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/20—Services signaling; Auxiliary data signalling, i.e. transmitting data via a non-traffic channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • 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
    • 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 the field of communications, and in particular, to a system information indication method, a device thereof, and a communication system.
  • the 3rd Generation Partnership Project (3GPP) is studying issues related to next-generation wireless communication systems. Among them, reducing the energy consumed by the user equipment (UE, User Equipment) in acquiring the system information of the network, and further improving the efficiency of system information broadcasting and distribution is one of the research topics.
  • LTE Long Term Evolution
  • system information is broadcast by a network side through a broadcast channel. After obtaining the system information of the current cell, if the UE leaves the cell and returns after a period of time, the UE needs to verify whether the value tag broadcasted by the cell is the same as the value of the Value tag stored by the cell. Whether the system information is still valid. In addition, if the UE leaves the current serving cell and enters a new cell, new system information must be obtained from the new cell.
  • LTE Long Term Evolution
  • the regained system information may be the same as the system information obtained in the original cell.
  • a flag related to an area composed of a plurality of cells may be broadcast by the network side to indicate that certain system information is common among a plurality of cells. In this way, the UE can easily know whether it has stored the system information of the new cell, thereby avoiding the energy consumed by acquiring the same system information already stored.
  • the 3GPP has agreed to broadcast an index (Index) or a flag (ID) in the system information to indicate system information common to a plurality of cells, to inform the UE whether the stored system information is still valid, thereby reducing the UE acquiring system information. frequency.
  • Index index
  • ID flag
  • Solution 1 The UE first obtains all possible configuration lists of each System Information Block (SIB). Each SIB corresponds to an index indicating the configuration used by a particular SIB of the current cell. After the UE switches to the new cell, it is not necessary to check the value of the Value tag, and only needs to check whether the configuration corresponding to the index of a certain SIB of the current cell is stored. If the UE stores the configuration, it can be directly applied, and the SIB does not need to be acquired in the new cell.
  • SIB System Information Block
  • Option 2 Some SIBs that are common to multiple cells correspond to an Area ID, indicating that they are common within the cell that broadcasts the area flag. After the UE switches to the new cell, it only needs to check whether the area flag broadcast by the current cell is stored. If the area flag is stored by the UE, the SIB corresponding to the area flag can be directly applied, and the SIB does not need to be acquired in the new cell.
  • one or more SIBs corresponding to the broadcasted area ID are explicitly indicated in the system information of the cell broadcast, to notify the UE which SIBs in the area corresponding to the area ID are common.
  • the inventor has found that, in the above two schemes, if the content of the SIB of the corresponding index or the area identifier in the current cell changes, the network side notifies the UE that the system information changes by using the paging message according to the scheme in the LTE system.
  • the UE needs to obtain updated system information from the broadcast channel.
  • the UE may have stored the updated index or area flag and its corresponding system information, and does not need to acquire the system information again.
  • an embodiment of the present invention provides a system information indication method, a device thereof, and a communication system, to notify an index or an area identifier corresponding to the updated system information of the UE, so that the UE checks whether the system information is stored, and reduces the UE. Because of the energy consumed to get system information.
  • a system information indication method includes: the network device indicating, to the user equipment, a system information block corresponding to the area related flag or the system information related index.
  • a system information indication method includes: the network device indicates to the user equipment that the area related flag or the system information related index is changed, and/or the changed area is related. Flag or system information related index.
  • a system information indication method includes: receiving, by a user equipment, information about a changed area related flag or a system information related index indicated by a network device; the user equipment is Storing the changed region-related flag or system information related index and its corresponding When the system information block is used, the system information block is directly applied, and the system information block is no longer re-acquired from the network side.
  • a system information indicating apparatus includes: an indicating unit that indicates a system information block corresponding to an area related flag or a system information related index to a user equipment.
  • a system information indicating apparatus includes: a first indicating unit that indicates to a user equipment that a region related flag or a system information related index is changed, and/or The changed area-related flag or system information related index.
  • a system information indicating apparatus includes: a first receiving unit that receives information of a changed area related flag or system information related index indicated by a network device; a processing unit that directly applies the system information block when the changed area-related flag or system information related index and its corresponding system information block are stored, and the system information block is no longer re-acquired from the network side. .
  • a network device wherein the network device comprises the apparatus of the foregoing fourth or fifth aspect.
  • a user equipment wherein the user equipment comprises the apparatus of the aforementioned sixth aspect.
  • a communication system wherein the communication system comprises the network device of the aforementioned seventh aspect and the user equipment of the foregoing eighth aspect.
  • the embodiment of the present invention can prevent the UE from being instructed by indicating the corresponding relationship between the area-related flag or the system information related index and the system information, and/or the information about the area-related flag or the system information related index.
  • the system information of the current cell is stored, the system information needs to be obtained from the network side, which effectively reduces the power consumption of the UE to acquire system information.
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a system information indication method according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of a system information indication method according to Embodiment 2 of the present invention.
  • FIG. 4 is a schematic diagram of a system information indication method according to Embodiment 3 of the present invention.
  • Figure 5 is a schematic diagram of a system information indicating apparatus according to Embodiment 4 of the present invention.
  • Figure 6 is a schematic diagram of a system information indicating apparatus according to Embodiment 5 of the present invention.
  • Figure 7 is a schematic diagram of a system information indicating apparatus according to Embodiment 6 of the present invention.
  • FIG. 8 is a schematic structural diagram of a network device according to Embodiment 7 of the present invention.
  • FIG. 9 is a schematic structural diagram of a user equipment according to Embodiment 8 of the present invention.
  • Figure 10 is a diagram showing the location of a new protocol layer in Embodiment 10 of the present invention.
  • FIG. 11 is a schematic diagram of a data processing method according to Embodiment 10 of the present invention.
  • Figure 12 is a diagram showing the data processing apparatus of Embodiment 10 of the present invention.
  • the terms “first”, “second”, etc. are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the terms “comprising,” “comprising,” “having,” or “an” are used to distinguish different elements from the title, but do not indicate the spatial arrangement or chronological order of the elements, and these elements should not be used by these terms. Limited.
  • the term “and/or” includes any and all combinations of one or more of the associated listed terms.
  • the term “communication network” or “wireless communication network” may refer to a network that conforms to any communication standard such as Long Term Evolution (LTE), Enhanced Long Term Evolution (LTE-A, LTE- Advanced), Wideband Code Division Multiple Access (WCDMA), High-Speed Packet Access (HSPA), and the like.
  • LTE Long Term Evolution
  • LTE-A Enhanced Long Term Evolution
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • the communication between devices in the communication system may be performed according to any phase of the communication protocol, and may include, for example but not limited to, the following communication protocols: 1G (generation), 2G, 2.5G, 2.75G, 3G, 4G, 4.5G, and future. 5G, New Radio (NR), etc., and/or other communication protocols currently known or to be developed in the future.
  • the term "network device” refers to, for example, a device in a communication system that accesses a terminal device to a communication network and provides a service for the terminal device.
  • the network device may include, but is not limited to, a device: a base station (BS, a base station), an access point (AP, an Access Point), a transmission and reception point (TRP), a broadcast transmitter, and a mobility management entity (MME, Mobile). Management Entity), gateway, server, Radio Network Controller (RNC), Base Station Controller (BSC), and so on.
  • BS base station
  • AP access point
  • TRP transmission and reception point
  • MME mobility management entity
  • Management Entity gateway
  • server Radio Network Controller
  • BSC Base Station Controller
  • the base station may include, but is not limited to, a Node B (NodeB or NB), an evolved Node B (eNodeB or eNB), and a 5G base station (gNB), and the like, and may further include a Remote Radio Head (RRH). , Remote Radio Unit (RRU), relay or low power node (eg femto, pico, etc.).
  • RRH Remote Radio Head
  • RRU Remote Radio Unit
  • base station may include some or all of their functions, and each base station may provide communication coverage for a particular geographic area.
  • the term "cell” can refer to a base station and/or its coverage area Domain, depending on the context in which the term is used.
  • the term "user equipment” (UE) or “Terminal Equipment” (TE) refers to, for example, a device that accesses a communication network through a network device and receives a network service.
  • the user equipment may be fixed or mobile, and may also be referred to as a mobile station (MS, Mobile Station), a terminal, a subscriber station (SS, Subscriber Station), an access terminal (AT, Access Terminal), a station, and the like.
  • the user equipment may include, but is not limited to, a cellular phone (Cellular Phone), a personal digital assistant (PDA, Personal Digital Assistant), a wireless modem, a wireless communication device, a handheld device, a machine type communication device, a laptop computer, Cordless phones, smart phones, smart watches, digital cameras, and more.
  • a cellular phone Cellular Phone
  • PDA Personal Digital Assistant
  • wireless modem Wireless Fidelity
  • a wireless communication device a handheld device
  • a machine type communication device a laptop computer
  • Cordless phones smart phones, smart watches, digital cameras, and more.
  • the user equipment may also be a machine or device that performs monitoring or measurement, and may include, but is not limited to, a Machine Type Communication (MTC) terminal, In-vehicle communication terminal, device to device (D2D, Device to Device) terminal, machine to machine (M2M, Machine to Machine) terminal, and the like.
  • MTC Machine Type Communication
  • D2D Device to Device
  • M2M Machine to Machine
  • FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present invention, schematically illustrating a case where a user equipment and a network device are taken as an example.
  • the communication system 100 may include a network device 101 and a user equipment 102 (for simplicity)
  • Figure 1 shows only one user equipment as an example.
  • an existing service or a service that can be implemented in the future can be performed between the network device 101 and the user equipment 102.
  • these services include, but are not limited to, enhanced mobile broadband (eMBB), massive machine type communication (mMTC), and high reliability low latency communication (URLLC, Ultra-Reliable and Low- Latency Communication), and more.
  • eMBB enhanced mobile broadband
  • mMTC massive machine type communication
  • URLLC Ultra-Reliable and Low- Latency Communication
  • the user equipment 102 can transmit data to the network device 101, for example, using an unlicensed transmission method.
  • the network device 101 can receive data sent by one or more user devices 102 and feed back information (eg, acknowledgment (ACK)/non-acknowledgement (NACK)) information to the user device 102, and the user device 102 can confirm the end of the transmission process according to the feedback information, Or you can perform new data transmission or data retransmission.
  • ACK acknowledgment
  • NACK non-acknowledgement
  • FIG. 2 is a schematic diagram of the method. As shown in FIG. 2, the method includes:
  • Step 201 The network device indicates, to the user equipment (UE), a system information block (SIB) corresponding to the area related flag or the system information related index.
  • UE user equipment
  • SIB system information block
  • the UE if the UE stores the area related flag or the system information related index indicated by the current cell, the UE does not need to obtain the corresponding system information again, but considers that the currently stored system information is valid, and may directly apply the system message. Therefore, it is possible to avoid the situation that the UE still needs to obtain system information from the network side when the system information of the current cell is stored, and effectively reduce the power consumption of the UE to acquire system information.
  • the area correlation flag and the system information related index generally refer to all the flags corresponding to the configuration for indicating one or more system information broadcasted by the current cell. For convenience of description, they are collectively referred to as a region-related flag or a system information-related index, but this embodiment does not limit the name.
  • the network device may indicate, by using an SIB-Mappinginfo field, a system information block corresponding to the area related flag or the system information related index to the UE.
  • the network device may set an SIB-Mappinginfo field for each area related flag or system information related index in a message broadcasted by the network side or a Radio Resource Control (RRC) message, and the SIB-Mappinginfo field is indicated by the SIB-Mappinginfo field.
  • RRC Radio Resource Control
  • the network device may add an AreaIDInfo field in a message or an RRC message broadcasted by the network side, where the AreaIDInfo field includes a certain area related flag or a system information related index, a region related flag, or a system information related index.
  • the value tag value, and the above SIB-Mappinginfo, a plurality of AreaIDInfo constitute a list AreaIDList.
  • the format of the AreaIDList can be as follows:
  • the format of the above AreaIDInfo field and the format of the AreaIDList are only examples, and the embodiment is not limited thereto.
  • the SystemInfoValueTagArea field can be optional, and when included, can be used to indicate whether system information has changed.
  • the network device can notify the UE of the correspondence between the area-related flag or the system information related index and the system information through the SIB-MappingInfo field.
  • the network device may indicate, by means of bit mapping, a system information block corresponding to the area related flag or the system information related index to the UE.
  • the network device may set a bitmap field for each area related flag or system information related index in a message or RRC message broadcasted by the network side, and the bit mapping field indicates that the area related flag or system information is related. All system information blocks corresponding to the index.
  • the network device may set a 20-bit bitmap field for a certain area-related flag or system information-related index, and each bit corresponds to one SIB, and when a bit is set to “1”
  • the corresponding SIB is associated with (corresponding to) the relevant flag or system information related index of the region; otherwise, the SIB is not associated with the region related flag or system information related index (not corresponding).
  • the network device can notify the UE of the correspondence between the area correlation flag or the system information related index and the system information by using the bitmap field.
  • the network device may indicate, to the UE, a system information block corresponding to the area related flag or the system information related index by using an index of the possible system information block combination.
  • the network device may pre-define a possible SIB combination manner.
  • the possible combinations of SIBs are, for example, all SIB combinations, or SIB combinations determined according to a predetermined policy, or a certain number of SIB combinations selected from all possible SIB combinations according to a predetermined policy.
  • the possible SIB combination can be pre-defined in the protocol, but this embodiment is not limited thereto.
  • the network device can allocate an index to the network device, and the network device can use the SIB corresponding to the area correlation flag or the system information related index in the message or RRC message broadcasted by the network side. The combined index is indicated along with the area related flag or system information related index.
  • the network device may also notify the UE of the correspondence between the area-related flag or the system information related index and the system information.
  • the network device may indicate to the UE the system information block corresponding to the area related flag or the system information related index by indicating all the SIBs in a certain system information window.
  • the network device may indicate to the UE in the message broadcasted by the network side or the RRC message the sequence number of the system information window in which the system information block corresponding to the area related flag or the system information related index is scheduled.
  • system information blocks corresponding to a certain area correlation flag or the system information related index may all be scheduled in the same system information window, or may be scheduled in multiple system information windows. All SIBs in the system information window may implicitly indicate to the UE the corresponding information of the area correlation flag or the system information related index and the SIB.
  • the UE may request a network information block corresponding to a certain area related flag or a system information related index from the network side.
  • the UE may request the network side to correspond to the area related flag or the system information related index through the system information request message.
  • the SIB and carries the relevant information of the area or the system information related index in the request message.
  • the network device may receive the system information request message sent by the user equipment, and according to the system information request message, indicate, to the user equipment, the system information block corresponding to the area related flag or the system information related index.
  • the specific indication method is as described above, and will not be described here.
  • the network device indicates the corresponding relationship between the area-related flag or the system information-related index and the system information to the UE, and the UE may still need to obtain the system information from the network side when the system information of the current cell is stored.
  • the situation effectively reduces the power consumption of the UE to acquire system information.
  • FIG. 3 is a schematic diagram of the method. As shown in FIG. 3, the method includes:
  • Step 301 The network device indicates to the user equipment that the area related flag or the system information related index is changed, and/or the changed area related flag or the system information related index.
  • the UE may directly apply the SIB instead of the network side. Obtaining system information associated with an index related to the region-related flag or system information, thereby reducing power consumption of the UE to acquire system information.
  • the correspondence between the area-related flag or the system information related index and the SIB may pass The method of Embodiment 1 is indicated, but the embodiment is not limited thereto.
  • the network device may perform the foregoing indication in the paging message, or may perform the foregoing indication in the RRC message, and may perform the foregoing indication in the scheduling information of the paging message, for example, in the physical downlink control channel (
  • the above indication is performed in downlink control information (DCI, Downlink Control Information) of the PDCCH (Physical Downlink Control Channel), but this embodiment is not limited thereto.
  • the network device may indicate an area related flag or a system information related index before and after the change occurs.
  • a paired bearer area related flag or a system information related index in a paging message or an RRC message to respectively indicate a region related flag or a system information related index before and after the change occurs.
  • the ⁇ Index #1:Index #2;Index #3:Index #5; ⁇ may indicate that the region-related flag or the system information related index is changed from #1 to #2, and from #3 to #5.
  • the network device may only indicate that a changed (new/updated) zone related flag or system information related index has occurred.
  • the changed area related flag or system information related index is carried in the paging message or the RRC message.
  • the area related flag or the system information related index may be changed to #2 and #5 by ⁇ Index #2; Index #5; ⁇ .
  • the network device may further indicate to the UE, the system information block corresponding to the changed area related flag or the system information related index, where the system information block is new, that is, changed.
  • the following area correlation flag or system information block corresponding to the system information related index For specific indication methods, refer to Embodiment 1, and the content thereof is incorporated herein, and details are not described herein again.
  • the network device can notify the UE that the system information is obtained from the network side in the case that the system information of the current cell is stored, by notifying the UE of the information related to the area-related flag or the system information-related index change.
  • the power consumption of the UE to obtain system information is effectively reduced.
  • FIG. 4 is a schematic diagram of the method, as shown in FIG. include:
  • Step 401 The user equipment receives information about the changed area-related flag or system information related index indicated by the network device.
  • Step 402 The user equipment directly applies the system information block when the changed area related flag or system information related index and its corresponding system information block are stored, and the system is no longer re-acquired from the network side. Information block.
  • the network device notifies the UE of the changed area-related flag or system information related index, and the UE stores the changed area-related flag or system information related index and its corresponding system information block. In this case, there is no need to acquire system information again, which reduces the power consumption of acquiring system information.
  • the network device may notify the UE of the changed area-related flag or the system information related index by using the paging message or the scheduling information of the RRC message or the paging message, and then, in step 401, The user equipment may obtain the changed area-related flag or system information related index by using the paging message or the scheduling information of the RRC message or the paging message.
  • the network device may only indicate the changed area-related flag or the system information related index, or may indicate the area-related flag or the system information related index before and after the change, and the UE may The indication of the network device, that is, the determination of step 402 is performed based on the received information.
  • the UE when the UE does not store the system information block corresponding to the changed area-related flag or the system information related index, the UE may further send a system information request message to the network device, as in Embodiment 2.
  • the system information block corresponding to the changed area-related flag or the system information related index indicated by the network device is obtained from the network device.
  • the sending, by the UE, the system information request message to the network device is not limited to being performed without storing the changed area related flag or the system information block corresponding to the system information related index, that is, in other
  • the UE may send the foregoing system information request message to the network device according to its own needs, to obtain a system information block corresponding to a certain area related flag or a system information related index.
  • the manner in which the network device indicates the system information block corresponding to the area related flag or the system information related index is as described in Embodiment 1, and details are not described herein again.
  • the network device can notify the UE that the system information is obtained from the network side in the case that the system information of the current cell is stored, by notifying the UE of the information related to the area-related flag or the system information-related index change.
  • the power consumption of the UE to obtain system information is effectively reduced.
  • the embodiment of the present invention provides a system information indicating device, which can be configured in a network device.
  • the principle of the device is similar to that of the first embodiment. Therefore, the specific implementation may refer to the implementation of the method in the first embodiment. The description of the content is not repeated.
  • FIG. 5 is a schematic diagram of the apparatus of this embodiment. As shown in FIG. 5, the apparatus 500 includes:
  • the indication unit 501 indicates to the user equipment a system information block corresponding to the area related flag or the system information related index.
  • the indication unit 501 may indicate, by using an SIB-Mappinginfo field, a system information block corresponding to the area related flag or the system information related index to the user equipment.
  • the indication unit 501 may set an SIB-Mappinginfo field for each area related flag or system information related index in a message or a Radio Resource Control (RRC) message broadcasted by the network side, by using the SIB-Mappinginfo field. All system information blocks corresponding to the above-mentioned area related flag or system information related index are indicated.
  • RRC Radio Resource Control
  • the indication unit 501 may indicate, by means of bit mapping, a system information block corresponding to the area related flag or the system information related index to the user equipment.
  • the indication unit 501 may set a bit mapping field for each area correlation flag or system information related index in a message or RRC message broadcasted by the network side, and indicate the area related flag or system information by using a bit mapping field. All system information blocks corresponding to the relevant index.
  • the indication unit 501 may indicate, by using an index of possible system information block combinations, a system information block corresponding to the area related flag or the system information related index to the user equipment.
  • the network device may define a possible system information block combination and assign an index to each possible system information block combination
  • the indication unit 501 may associate the area in a message broadcasted by the network side or an RRC message.
  • the index of the system information block combination corresponding to the flag or the system information related index is indicated together with the area related flag or the system information related index.
  • the network device may indicate the system information block corresponding to the area related flag or the system information related index by indicating all SIBs in a certain system information window.
  • the indication unit 501 may indicate to the user equipment, in the message broadcasted by the network side or the RRC message, the system information block corresponding to the area related flag or the system information related index. The sequence number that is scheduled by the information window.
  • the UE may request a certain area-related identifier or an SIB corresponding to the system information related index to the network side.
  • the apparatus 500 may further include The receiving unit 502 is configured to receive a system information request message sent by the user equipment, where the system information request message includes an area related flag or a system information related index. Therefore, the indication unit 501 can indicate the system information block corresponding to the area related flag or the system information related index to the user equipment according to the system information request message.
  • the network device indicates the corresponding relationship between the area-related flag or the system information related index and the system information to the UE, and the UE may still need to obtain the system information from the network side when the system information of the current cell is stored.
  • the situation effectively reduces the power consumption of the UE to acquire system information.
  • the embodiment provides a system information indicating device, which can be configured in a network device.
  • the principle of solving the problem is similar to the method in the second embodiment. Therefore, the specific implementation may refer to the implementation of the method in the second embodiment. The description of the content is not repeated.
  • Figure 6 is a schematic diagram of the apparatus of the present embodiment. As shown in Figure 6, the apparatus 600 includes:
  • the first indication unit 601 indicates to the user equipment that the area related flag or the system information related index is changed, and/or the changed area related flag or the system information related index.
  • the first indication unit 601 may perform the foregoing indication in the paging message or the scheduling information of the RRC message or the paging message, but the embodiment is not limited thereto.
  • the first indication unit 601 may indicate the area related flag or the system information related index before the change and the changed area related flag or the system information related index, or may only indicate the changed area related flag. Or system information related index.
  • the apparatus 600 may further include:
  • the second indication unit 602 indicates to the user equipment the system information block corresponding to the area related flag or the system information related index.
  • the second indication unit 602 can be implemented by the apparatus of Embodiment 4, and the content thereof is incorporated herein, and details are not described herein again.
  • the network device notifies the UE of the area related flag or the system information by By introducing the changed information, the UE can still obtain the system information from the network side when the system information of the current cell is stored, which effectively reduces the power consumption of the UE to acquire the system information.
  • the embodiment of the present invention provides a system information indicating device, which can be configured on a user equipment.
  • the principle of the device is similar to that of the third embodiment. Therefore, the specific implementation may refer to the implementation of the method in the third embodiment. The description of the content is not repeated.
  • FIG. 7 is a schematic diagram of the apparatus of this embodiment.
  • the apparatus 700 includes: a first receiving unit 701 and a processing unit 702, where the first receiving unit 701 is configured to receive a changed area related to the network device indication.
  • the information of the flag or the system information related index, the processing unit 702 is configured to directly apply the system information block when the user equipment stores the changed area related flag or the system information related index and the corresponding system information block thereof, The system information block is re-acquired from the network side.
  • the network device may indicate the changed area-related flag or the system information related index by using the paging message or the scheduling information of the RRC message or the paging message.
  • the specific indication manner refer to Embodiment 2 or Embodiment 5. I will not repeat them here.
  • the network device may only indicate the changed area related flag or the system information related index, or may simultaneously indicate the area related flag or system information related index before the change and the changed area related flag or system information related index. Specifically, as described in Embodiment 2 or Embodiment 5, details are not described herein again.
  • the first receiving unit 701 can also receive the area related flag or the system information related index before the change indicated by the network device.
  • the apparatus 700 may further include: a sending unit 703 and a second receiving unit 704, where the sending unit 703 is configured to send a system information request message to the network device, where the system information request message includes The area correlation flag or the system information related index, the second receiving unit 704 is configured to receive the system information block corresponding to the area related flag or the system information related index indicated by the network device.
  • the network device may use the message broadcasted by the network side or the RRC message to indicate the system information block corresponding to the area related flag or the system information related index.
  • the specific indication manner refer to Embodiment 1 or Embodiment 4. I will not repeat them here.
  • the network device can notify the UE that the information about the area related flag or the system information related index is changed, so that the UE still needs to be from the network side when the system information of the current cell is stored. Obtaining system information effectively reduces the power consumption of the UE to obtain system information.
  • the embodiment provides a network device, where the network device includes the system information indicating device as described in Embodiment 4 or Embodiment 5.
  • FIG. 8 is a schematic diagram showing the configuration of a network device of this embodiment.
  • network device 800 can include a processor 801 and a memory 802; memory 802 is coupled to processor 801.
  • the memory 802 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the processor 801 to receive various information transmitted by the user equipment and to transmit the request information to the user equipment.
  • the functionality of the system information indicating device described in Embodiment 4 or Embodiment 5 may be integrated into the processor 801.
  • the processor 801 may be configured to: indicate, to the user equipment, a system information block corresponding to the area related flag or the system information related index.
  • the processor 801 may be further configured to: indicate to the user equipment that the area related flag or the system information related index is changed, and/or the changed area related flag or the system information related index.
  • system information indicating device described in Embodiment 4 or Embodiment 5 may be configured separately from the processor 801.
  • the system information indicating device described in Embodiment 4 or Embodiment 5 may be configured and processed.
  • the chip connected to the device 801 implements the functions of the system information indicating device described in Embodiment 4 or Embodiment 5 by the control of the processor 801.
  • the network device 800 may further include: a transceiver 803, an antenna 804, and the like; wherein the functions of the foregoing components are similar to the prior art, and details are not described herein again. It should be noted that the network device 800 does not have to include all the components shown in FIG. 8; in addition, the network device 800 may also include components not shown in FIG. 8, and reference may be made to the prior art.
  • the network device of this embodiment indicates the corresponding relationship between the area-related flag or the system information related index and the system information to the UE, and/or notifies the UE of the information related to the area-related flag or the system information-related index, thereby preventing the UE from being stored.
  • the network side In the case that there is system information of the current cell, it is still necessary to obtain system information from the network side, which effectively reduces the power consumption of the UE to acquire system information.
  • This embodiment provides a user equipment, where the user equipment includes the system information indication as described in Embodiment 6. Device.
  • FIG. 9 is a schematic diagram showing the structure of the user equipment 900 in this embodiment.
  • the user equipment 900 can include a processor 901 and a memory 901; the memory 902 is coupled to the processor 901.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the functionality of the system information indicating device can be integrated into the processor 901.
  • the processor 901 may be configured to: receive information about the changed area related flag or system information related index indicated by the network device; and store the changed area related flag or system information related index and corresponding system thereof When the information block is used, the system information block is directly applied, and the system information block is no longer re-acquired from the network side.
  • system information indicating device may be configured separately from the processor 901.
  • the system information indicating device may be configured as a chip connected to the processor 901, and the function of the system information indicating device is implemented by the control of the processor 901. .
  • the user equipment 900 may further include: a communication module 903, an input unit 904, a display 905, and a power source 906. It should be noted that the user equipment 900 does not have to include all the components shown in FIG. 9; in addition, the user equipment 900 may further include components not shown in FIG. 9, and reference may be made to the prior art.
  • processor 901 also sometimes referred to as a controller or operational control, may include a microprocessor or other processor device and/or logic device that receives input and controls various components of user device 900. operating.
  • the memory 902 can be, for example, one or more of a buffer, a flash memory, a hard drive, a removable medium, a volatile memory, a non-volatile memory, or other suitable device.
  • Various data can be stored, and programs for executing related information can be stored.
  • the processor 901 can execute the program stored by the memory 902 to implement information storage or processing and the like.
  • the functions of other components are similar to those of the existing ones and will not be described here.
  • the various components of user device 900 may be implemented by dedicated hardware, firmware, software, or a combination thereof without departing from the scope of the embodiments.
  • the user equipment of the present embodiment can confirm the system information according to the information of the network side indication or the notification, so that the UE can still obtain the system information from the network side when the system information of the current cell is stored, thereby effectively reducing the UE. Get the power consumption of system information.
  • the embodiment of the present invention further provides a communication system, including the network device as described in Embodiment 7 and the user equipment as described in Embodiment 8.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a system information indicating device or a network device, the program causes the system information indicating device or network device to perform Embodiment 1 or implement The system information indicating method described in Example 2.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the system information indicating device or the network device to execute the system information indicating method described in Embodiment 1 or Embodiment 2.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a system information indicating device or a user equipment, the program causes the system information indicating device or user equipment to perform the method described in Embodiment 3 System information indication method.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the system information indicating device or the user equipment to perform the system information indicating method described in Embodiment 3.
  • PDCP Packet Data Convergence Protocol
  • PDAP Packet Data Association Protocol
  • QoS Quality of Service
  • Figure 10 is a schematic illustration of the location of the new protocol layer.
  • the new protocol layer needs to add a new data header to a data packet from a higher layer network layer protocol, such as an Internet Protocol (IP) layer.
  • IP Internet Protocol
  • the data header of the new protocol layer may be placed at the end of the data packet of the new protocol layer, that is, The packet Header of the new QoS framework layer above PDCP layer shall be placed at the end of its packet.
  • FIG. 11 is a flowchart of the method. Referring to FIG. 11, the method includes:
  • Step 1101 Add a header to the data packet, the header being located at a predetermined location of the data packet, for example, other than the header, for example, finally, to deliver the data packet to which the header is added to the PDCP layer.
  • the source of the data packet, the manner in which the header is added to the data packet, and the manner in which the data packet to which the header is added are delivered to the PDCP layer are not limited.
  • the method is implemented in the above new protocol layer.
  • the new protocol layer is responsible for handling QoS architecture related functions and is located above the PDCP layer.
  • the data packet is, for example, an IP packet from an upper layer.
  • the data header of the new protocol layer is placed at the end of the data packet of the new protocol layer, and the header compression function of the network layer data of the PDCP protocol of the lower layer may not be affected.
  • a data processing apparatus the implementation principle of which is the same as the method of FIG. 11, and the same portions are not repeated.
  • Figure 12 is a flow chart of the device. Referring to Figure 12, the device 1200 includes:
  • Processing unit 1201 adds a header to the data packet, the header being located at a predetermined location of the data packet, such as a location other than the header, such as finally, to deliver the data packet to which the header is added to the PDCP layer.
  • the method for the processing unit 1201 to add a header to the data packet is not limited.
  • the processing unit 1201 performs the above processing at the new protocol layer.
  • the new protocol layer is responsible for handling QoS architecture related functions and is located above the PDCP layer.
  • the apparatus 1200 may further include a receiving unit (not shown), where the receiving unit is configured to receive the data packet, and the source of the data packet is not limited in this embodiment.
  • the data packet is, for example, an IP packet from an upper layer.
  • the apparatus 1200 may further include a sending unit (not shown), and the sending unit is configured to deliver the data packet to which the header is added to the PDCP layer. This embodiment does not limit the delivery manner.
  • the data header of the new protocol layer is placed at the end of the data packet of the new protocol layer, and the header compression function of the network layer data of the PDCP protocol of the lower layer may not be affected.
  • a network device may include the apparatus described in the foregoing second aspect, and the system architecture of the network device may be the same as that of FIG. As mentioned before, this embodiment is not limited thereto.
  • a user equipment is provided, wherein the user equipment may include the apparatus described in the foregoing second aspect, and the system architecture of the user equipment may be the same as that of FIG. As mentioned before, this embodiment is not limited thereto.
  • a communication system may include the network device of the foregoing third aspect and the user equipment of the foregoing fourth aspect, and the architecture of the communication system may be 1 is the same, and the functions of the respective components are as described above, but the embodiment is not limited thereto.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • the method/apparatus described in connection with the embodiments of the invention may be embodied directly in hardware, a software module executed by a processor, or a combination of both.
  • one or more of the functional blocks shown in Figures 5-7 and/or one or more combinations of functional blocks may correspond to various software modules of a computer program flow, or to individual hardware modules.
  • These software modules may correspond to the various steps shown in Figures 2-4, respectively.
  • These hardware modules can be implemented, for example, by curing these software modules using a Field Programmable Gate Array (FPGA).
  • FPGA Field Programmable Gate Array
  • the software module can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
  • a storage medium can be coupled to the processor to enable the processor to read information from, and write information to, the storage medium; or the storage medium can be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the software module can be stored in the memory of the mobile terminal or in a memory card that can be inserted into the mobile terminal.
  • the software module can be stored in the MEGA-SIM card or a large-capacity flash memory device.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described in the figures and/or one or more combinations of the functional blocks may also be implemented as a combination of computing devices. For example, a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in communication with a DSP, or any other such configuration.
  • a header is added to the data packet, the header being located at a predetermined location of the data packet to deliver the data packet to which the header is added to the PDCP layer.
  • a data processing apparatus wherein the apparatus comprises:
  • a processing unit that adds a header to the data packet, the header being located at a predetermined location of the data packet to deliver the data packet to which the header is added to the PDCP layer.

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Abstract

一种系统信息指示方法及其装置、通信系统。本发明实施例通过指示区域相关标志或系统信息相关索引与系统信息的对应关系，和/或通知区域相关标志或系统信息相关索引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。

Description

系统信息指示方法及其装置、通信系统 技术领域
本发明涉及通信领域，特别涉及一种系统信息指示方法及其装置、通信系统。
背景技术
第3代合作伙伴计划(3GPP，3rd Generation Partnership Project)正在研究下一代无线通信系统的相关议题。其中，减少用户设备(UE，User Equipment)在获取网络的系统信息时所消耗的能量，进一步提高系统信息广播和分发的效率是研究议题之一。
在长期演进(LTE，Long Term Evolution)系统中，系统信息由网络侧通过广播信道进行广播。UE在获得当前小区的系统信息后，如果离开该小区一段时间后又返回，UE需要通过核对该小区广播的价值标签(Value tag)是否与其存储的Value tag数值是否相同，来验证其所存储的系统信息是否依然有效。此外，如果UE离开当前服务小区进入新的小区，必须要从新的小区获取新的系统信息。
事实上，相邻小区之间往往具有一些相同的系统信息。UE进入新小区后，重新获得的系统信息可能与其在原小区获得的系统信息相同。在这种情况下，为了减少UE获取系统信息所消耗的能量，可以由网络侧广播与多个小区组成的区域相关的标志，用以指示某些系统信息在多个小区之间是通用的。这样，UE就可以很容易的了解自己是否已经存储了新小区的系统信息，从而避免获取这些已经存储的相同系统信息所消耗的能量。
应该注意，上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、完整的说明，并方便本领域技术人员的理解而阐述的。不能仅仅因为这些方案在本发明的背景技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。
发明内容
3GPP已经同意了在系统信息中广播索引(Index)或者标志(ID)，用以指示那些在多个小区通用的系统信息，通知UE其存储的系统信息是否依然有效，进而减少UE获取系统信息的次数。
目前，存在两种基本的方案来支持基于索引或者标志的系统信息广播。
方案1：UE首先获取每个系统信息块(SIB，System Information Block)的所有可能的配置列表。每个SIB对应一个索引(index)，该索引指示当前小区的特定的SIB所使用的配置。UE切换到新小区后，不需要核对Value tag的值，只需要检查是否存储了当前小区某个SIB的索引所对应的配置。如果UE存储了该配置，则直接应用即可，无需在新的小区获取该SIB。
方案2：某些在多个小区通用的SIB对应一个区域标志(Area ID)，表示其在广播该区域标志的小区内是通用的。UE切换到新小区后，只需要检查是否存储了当前小区广播的区域标志。如果UE存储了该区域标志，则直接应用该区域标志对应的SIB即可，无需在新的小区获取该SIB。
在方案2中，需要在小区广播的系统信息中，明确指示所广播的Area ID所对应的一个或多个SIB，用以通知UE该Area ID所对应的区域内哪些SIB是通用的。
发明人发现，在上述两个方案中，如果当前小区中对应索引或区域标志的SIB的内容发生改变，按照LTE系统中的方案，网络侧会通过寻呼消息通知UE系统信息发生改变，此时，UE需要从广播信道中获得更新后的系统信息。然而实际上，UE可能已经存储过更新后的索引或区域标志及其对应的系统信息，并不需要再次获取该系统信息。
为了解决上述问题，本发明实施例提供一种系统信息指示方法及其装置、通信系统，以通知UE更新后的系统信息对应的索引或区域标志，以便UE检查是否存储有该系统信息，降低UE因为获取系统信息所消耗的能量。
根据本发明实施例的第一方面，提供了一种系统信息指示方法，其中，该方法包括：网络设备向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
根据本发明实施例的第二方面，提供了一种系统信息指示方法，其中，该方法包括：网络设备向用户设备指示区域相关标志或者系统信息相关索引发生改变，和/或改变后的区域相关标志或者系统信息相关索引。
根据本发明实施例的第三方面，提供了一种系统信息指示方法，其中，该方法包括：用户设备接收网络设备指示的改变后的区域相关标志或系统信息相关索引的信息；该用户设备在存储有所述改变后的区域相关标志或系统信息相关索引及其对应的 系统信息块时，直接应用所述系统信息块，不再从网络侧重新获取所述系统信息块。
根据本发明实施例的第四方面，提供了一种系统信息指示装置，其中，所述装置包括：指示单元，其向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
根据本发明实施例的第五方面，提供了一种系统信息指示装置，其中，所述装置包括：第一指示单元，其向用户设备指示区域相关标志或者系统信息相关索引发生改变，和/或改变后的区域相关标志或者系统信息相关索引。
根据本发明实施例的第六方面，提供了一种系统信息指示装置，其中，所述装置包括：第一接收单元，其接收网络设备指示的改变后的区域相关标志或系统信息相关索引的信息；处理单元，其在存储有所述改变后的区域相关标志或系统信息相关索引及其对应的系统信息块时，直接应用所述系统信息块，不再从网络侧重新获取所述系统信息块。
根据本发明实施例的第七方面，提供了一种网络设备，其中，所述网络设备包括前述第四方面或第五方面所述的装置。
根据本发明实施例的第八方面，提供了一种用户设备，其中，所述用户设备包括前述第六方面所述的装置。
根据本发明实施例的第九方面，提供了一种通信系统，其中，所述通信系统包括前述第七方面所述的网络设备和前述第八方面所述的用户设备。
本发明实施例的有益效果在于：本发明实施例通过指示区域相关标志或系统信息相关索引与系统信息的对应关系，和/或通知区域相关标志或系统信息相关索引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
参照后文的说明和附图，详细公开了本发明的特定实施方式，指明了本发明的原理可以被采用的方式。应该理解，本发明的实施方式在范围上并不因而受到限制。在所附权利要求的条款的范围内，本发明的实施方式包括许多改变、修改和等同。
针对一种实施方式描述和/或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、整件、步骤或组件的存在， 但并不排除一个或更多个其它特征、整件、步骤或组件的存在或附加。
附图说明
在本发明实施例的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。此外，在附图中，类似的标号表示几个附图中对应的部件，并可用于指示多于一种实施方式中使用的对应部件。
所包括的附图用来提供对本发明实施例的进一步的理解，其构成了说明书的一部分，用于例示本发明的实施方式，并与文字描述一起来阐释本发明的原理。显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。在附图中：
图1是本发明实施例的通信系统的示意图；
图2是本发明实施例1的系统信息指示方法的示意图；
图3是本发明实施例2的系统信息指示方法的示意图；
图4是本发明实施例3的系统信息指示方法的示意图；
图5是本发明实施例4的系统信息指示装置的示意图；
图6是本发明实施例5的系统信息指示装置的示意图；
图7是本发明实施例6的系统信息指示装置的示意图；
图8是本发明实施例7的网络设备的构成示意图；
图9是本发明实施例8的用户设备的构成示意图；
图10是本发明实施例10的新的协议层的位置的示意图；
图11是本发明实施例10的数据处理方法的示意图；
图12是本发明实施例10的数据处理装置的示意图。
具体实施方式
参照附图，通过下面的说明书，本发明的前述以及其它特征将变得明显。在说明书和附图中，具体公开了本发明的特定实施方式，其表明了其中可以采用本发明的原则的部分实施方式，应了解的是，本发明不限于所描述的实施方式，相反，本发明包括落入所附权利要求的范围内的全部修改、变型以及等同物。下面结合附图对本发明的各种实施方式进行说明。这些实施方式只是示例性的，不是对本发明的限制。
在本发明实施例中，术语“第一”、“第二”等用于对不同元素从称谓上进行区分，但并不表示这些元素的空间排列或时间顺序等，这些元素不应被这些术语所限制。术语“和/或”包括相关联列出的术语的一种或多个中的任何一个和所有组合。术语“包含”、“包括”、“具有”等是指所陈述的特征、元素、元件或组件的存在，但并不排除存在或添加一个或多个其他特征、元素、元件或组件。
在本发明实施例中，单数形式“一”、“该”等包括复数形式，应广义地理解为“一种”或“一类”而并不是限定为“一个”的含义；此外术语“所述”应理解为既包括单数形式也包括复数形式，除非上下文另外明确指出。此外术语“根据”应理解为“至少部分根据……”，术语“基于”应理解为“至少部分基于……”，除非上下文另外明确指出。
在本发明实施例中，术语“通信网络”或“无线通信网络”可以指符合如下任意通信标准的网络，例如长期演进(LTE，Long Term Evolution)、增强的长期演进(LTE-A，LTE-Advanced)、宽带码分多址接入(WCDMA，Wideband Code Division Multiple Access)、高速报文接入(HSPA，High-Speed Packet Access)等等。
并且，通信系统中设备之间的通信可以根据任意阶段的通信协议进行，例如可以包括但不限于如下通信协议：1G(generation)、2G、2.5G、2.75G、3G、4G、4.5G以及未来的5G、新无线(NR，New Radio)等等，和/或其他目前已知或未来将被开发的通信协议。
在本发明实施例中，术语“网络设备”例如是指通信系统中将终端设备接入通信网络并为该终端设备提供服务的设备。网络设备可以包括但不限于如下设备：基站(BS，Base Station)、接入点(AP、Access Point)、发送接收点(TRP，Transmission Reception Point)、广播发射机、移动管理实体(MME、Mobile Management Entity)、网关、服务器、无线网络控制器(RNC，Radio Network Controller)、基站控制器(BSC，Base Station Controller)等等。
其中，基站可以包括但不限于：节点B(NodeB或NB)、演进节点B(eNodeB或eNB)以及5G基站(gNB)，等等，此外还可包括远端无线头(RRH，Remote Radio Head)、远端无线单元(RRU，Remote Radio Unit)、中继(relay)或者低功率节点(例如femto、pico等等)。并且术语“基站”可以包括它们的一些或所有功能，每个基站可以对特定的地理区域提供通信覆盖。术语“小区”可以指的是基站和/或其覆盖区 域，这取决于使用该术语的上下文。
在本发明实施例中，术语“用户设备”(UE，User Equipment)或者“终端设备”(TE，Terminal Equipment)例如是指通过网络设备接入通信网络并接收网络服务的设备。用户设备可以是固定的或移动的，并且也可以称为移动台(MS，Mobile Station)、终端、用户台(SS，Subscriber Station)、接入终端(AT，Access Terminal)、站，等等。
其中，用户设备可以包括但不限于如下设备：蜂窝电话(Cellular Phone)、个人数字助理(PDA，Personal Digital Assistant)、无线调制解调器、无线通信设备、手持设备、机器型通信设备、膝上型计算机、无绳电话、智能手机、智能手表、数字相机，等等。
再例如，在物联网(IoT，Internet of Things)等场景下，用户设备还可以是进行监控或测量的机器或装置，例如可以包括但不限于：机器类通信(MTC，Machine Type Communication)终端、车载通信终端、设备到设备(D2D，Device to Device)终端、机器到机器(M2M，Machine to Machine)终端，等等。
以下通过示例对本发明实施例的场景进行说明，但本发明不限于此。
图1是本发明实施例的通信系统的示意图，示意性说明了以用户设备和网络设备为例的情况，如图1所示，通信系统100可以包括网络设备101和用户设备102(为简单起见，图1仅以一个用户设备为例进行说明)。
在本发明实施例中，网络设备101和用户设备102之间可以进行现有的业务或者未来可实施的业务。例如，这些业务包括但不限于：增强的移动宽带(eMBB，enhanced Mobile Broadband)、大规模机器类型通信(mMTC，massive Machine Type Communication)和高可靠低时延通信(URLLC，Ultra-Reliable and Low-Latency Communication)，等等。
其中，用户设备102可以向网络设备101发送数据，例如使用免授权传输方式。网络设备101可以接收一个或多个用户设备102发送的数据，并向用户设备102反馈信息(例如确认(ACK)/非确认(NACK))信息，用户设备102根据反馈信息可以确认结束传输过程、或者还可以再进行新的数据传输，或者可以进行数据重传。
以下结合附图对本发明实施例进行说明。
实施例1
本实施例提供了一种系统信息指示方法，该方法可以应用于网络侧，例如应用于网络设备，图2是该方法的示意图，如图2所示，该方法包括：
步骤201：网络设备向用户设备(UE)指示区域相关标志或系统信息相关索引所对应的系统信息块(SIB)。
在本实施例中，如果UE存储有当前小区所指示的区域相关标志或系统信息相关索引，则UE无需再次获取其对应的系统信息，而是认为当前存储的该系统信息有效，可以直接应用该系统信息。由此，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
在本实施例中，区域相关标志和系统信息相关索引泛指所有用于指示当前小区所广播的一个或多个系统信息的配置所对应的标志。为了方便说明，将其统称为区域相关标志或系统信息相关索引，但本实施例对该叫法不作限制。
在本实施例的一个实施方式中，该网络设备可以通过SIB-Mappinginfo字段向UE指示区域相关标志或系统信息相关索引所对应的系统信息块。
例如，该网络设备可以在网络侧广播的消息或者无线资源控制(RRC，Radio Resource Control)消息中为每个区域相关标志或系统信息相关索引设置一个SIB-Mappinginfo字段，通过该SIB-Mappinginfo字段指示(列举)该区域相关标志或系统信息相关索引所对应的所有系统信息块。
在本实施方式中，网络设备可以在网络侧广播的消息或者RRC消息中新增AreaIDInfo字段，该AreaIDInfo字段包含有某个区域相关标志或系统信息相关索引、区域相关标志或系统信息相关索引对应的Value tag值、以及上述SIB-Mappinginfo，多个AreaIDInfo组成一个列表AreaIDList。例如，该AreaIDList的格式可以如下所示：
Figure PCTCN2017078100-appb-000001
在本实施方式中，以上AreaIDInfo字段的叫法、AreaIDList的格式只是举例说明，本实施例并不以此作为限制。例如，SystemInfoValueTagArea字段可以是可选的，当包含该字段时，其可以用于指示系统信息是否改变。
由此，网络设备可以通过SIB-MappingInfo字段将区域相关标志或系统信息相关索引与系统信息的对应关系通知给UE。
在本实施例的一个实施方式中，该网络设备可以通过比特映射的方式向UE指示区域相关标志或系统信息相关索引所对应的系统信息块。
例如，该网络设备可以在网络侧广播的消息或者RRC消息中为每个区域相关标志或系统信息相关索引设置一个比特映射(bitmap)字段，通过该比特映射字段指示该区域相关标志或系统信息相关索引所对应的所有系统信息块。
例如，假设当前系统支持20个SIB，则网络设备可以为某个区域相关标志或系统信息相关索引设置一个20比特的bitmap字段，其每个比特分别对应一个SIB，当某个bit置为“1”时，其对应的SIB与该区域相关标志或系统信息相关索引相关联(对应)；否则，该SIB与该区域相关标志或系统信息相关索引不相关联(不对应)。
由此，网络设备可以通过该bitmap字段将该区域相关标志或系统信息相关索引与系统信息的对应关系通知给UE。
在本实施例的一个实施方式中，该网络设备可以通过可能的系统信息块组合的索引向UE指示区域相关标志或系统信息相关索引所对应的系统信息块。
在本实施方式中，网络设备可以预先定义可能的SIB组合方式。这里可能的SIB组合方式例如为所有的SIB组合方式，或者根据预定策略决定的SIB组合方式，或者是根据预定策略从所有可能的SIB组合方式中所选择的一定数量的SIB组合方式。关于该可能的SIB组合方式可以在协议中提前规定好，但本实施例并不以此作为限制。此外，对于每种可能的SIB组合方式，网络设备可以为其分配一个索引，由此，网络设备可以在网络侧广播的消息或者RRC消息中，将区域相关标志或者系统信息相关索引所对应的SIB组合的索引与该区域相关标志或者系统信息相关索引一同指示。
由此，网络设备也可以将区域相关标志或者系统信息相关索引与系统信息的对应关系通知给UE。
在本实施例的一个实施方式中，网络设备可以通过指示某个系统信息窗口内的所有SIB来向UE指示区域相关标志或系统信息相关索引所对应的系统信息块。
在本实施方式中，网络设备可以在网络侧广播的消息或者RRC消息中向UE指示该区域相关标志或系统信息相关索引所对应的系统信息块所在的系统信息窗口所被调度的序号。
在本实施方式中，某个区域相关标志或者系统信息相关索引所对应的系统信息块可能全部调度于同一个系统信息窗口，也可能被调度于多个系统信息窗口，本实施方式通过指示某个系统信息窗口内的所有SIB，可以将该区域相关标志或系统信息相关索引与SIB的对应关系隐式地指示给UE。
在本实施例的一个实施方式中，UE可以向网络侧请求某个区域相关标志或系统信息相关索引所对应的系统信息块。
在本实施方式中，如果UE没有存储某个区域相关标志或系统信息相关索引所对应的SIB，则该UE可以通过系统信息请求消息，向网络侧请求该区域相关标志或系统信息相关索引所对应的SIB，并在该请求消息中携带该区域相关标志或系统信息相关索引。
在本实施方式中，网络设备可以接收该用户设备发送的上述系统信息请求消息，并根据该系统信息请求消息，向该用户设备指示上述区域相关标志或者系统信息相关索引所对应的系统信息块。具体的指示方法如前所述，此处不再赘述。
通过本实施例的方法，网络设备将区域相关标志或系统信息相关索引与系统信息的对应关系指示给UE，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例2
本实施例提供了一种系统信息指示方法，该方法可以应用于网络侧，例如应用于网络设备，图3是该方法的示意图，如图3所示，该方法包括：
步骤301：网络设备向用户设备指示区域相关标志或者系统信息相关索引发生改变，和/或改变后的区域相关标志或者系统信息相关索引。
在本实施例中，如果UE根据网络设备的指示，发现其存储有改变后的区域相关标志或系统信息相关索引及其对应的SIB，则该UE可以直接应用该SIB，而不再从网络侧获取与该区域相关标志或系统信息相关索引所关联的系统信息，由此降低了UE获取系统信息的功耗。
在本实施例中，关于该区域相关标志和系统信息相关索引的解释与实施例1相同，此处不再赘述。
在本实施例中，该区域相关标志或系统信息相关索引与SIB的对应关系可以通过 实施例1的方法指示，但本实施例并不以此作为限制。
在本实施例中，该网络设备可以在寻呼消息中进行上述指示，也可以在RRC消息中进行上述指示，还可以在寻呼消息的调度信息中进行上述指示，例如在物理下行控制信道(PDCCH，Physical Downlink Control Channel)的下行控制信息(DCI，Downlink Control Information)中进行上述指示，但本实施例并不以此作为限制。
在本实施例的一个实施方式中，网络设备可以指示发生改变前后的区域相关标志或系统信息相关索引。
例如，在寻呼消息或RRC消息中成对的承载区域相关标志或系统信息相关索引，以分别表示发生改变前后的区域相关标志或系统信息相关索引。
举例说明，可以以{Index #1：Index #2；Index #3：Index #5；}表示区域相关标志或系统信息相关索引从#1变为#2，从#3变为#5。
在本实施例的另一个实施方式中，网络设备可以仅指示发生改变后的(new/updated)区域相关标志或系统信息相关索引。
例如，在寻呼消息或RRC消息中仅承载改变后的区域相关标志或系统信息相关索引。
举例说明，可以以{Index #2；Index #5；}表示区域相关标志或系统信息相关索引变为#2和#5。
在本实施例中，如前所述，该网络设备还可以向UE指示改变后的区域相关标志或者系统信息相关索引所对应的系统信息块，这里的系统信息块即为新的，也即改变后的区域相关标志或者系统信息相关索引所对应的系统信息块。具体的指示方法可以参考实施例1，其内容被合并于此，此处不再赘述。
通过本实施例的方法，网络设备通过向UE通知区域相关标志或系统信息相关索引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例3
本实施例提供了一种系统信息指示方法，该方法可以应用于用户侧，例如应用于用户设备，其是对应实施例1和实施例2的方法的用户侧的处理，其中与实施例1和实施例2相同的内容不再重复说明，图4是该方法的示意图，如图4所示，该方法 包括：
步骤401：用户设备接收网络设备指示的改变后的区域相关标志或系统信息相关索引的信息；
步骤402：所述用户设备在存储有所述改变后的区域相关标志或系统信息相关索引及其对应的系统信息块时，直接应用所述系统信息块，不再从网络侧重新获取所述系统信息块。
在本实施例中，网络设备将改变后的区域相关标志或系统信息相关索引通知给UE，由此，UE在存储有该改变后的区域相关标志或系统信息相关索引及其对应的系统信息块的情况下，无需再次获取系统信息，降低了获取系统信息的功耗。
在本实施例中，如实施例2所述，网络设备可以通过寻呼消息或者RRC消息或者寻呼消息的调度信息通知UE改变后的区域相关标志或系统信息相关索引，则在步骤401中，用户设备可以通过上述寻呼消息或者RRC消息或者寻呼消息的调度信息获得改变后的区域相关标志或系统信息相关索引。
在本实施例中，如实施例2所述，网络设备可以仅指示改变后的区域相关标志或系统信息相关索引，也可以将改变前后的区域相关标志或系统信息相关索引一同指示，则UE根据网络设备的指示，也即根据接收到的该信息进行步骤402的判断。
在本实施例中，当UE没有存储该改变后的区域相关标志或系统信息相关索引所对应的系统信息块的情况下，该UE还可以向网络设备发送系统信息请求消息，如实施例2所述，以便从该网络设备获取该网络设备所指示的改变后的区域相关标志或系统信息相关索引所对应的系统信息块。
在本实施例中，该UE向网络设备发送上述系统信息请求消息不限于在没有存储该改变后的区域相关标志或系统信息相关索引所对应的系统信息块的情况下进行，也即，在其他实施例中，UE可以根据自己的需要向网络设备发送上述系统信息请求消息，以获取某一区域相关标志或系统信息相关索引所对应的系统信息块。
在本实施例中，关于该网络设备指示该区域相关标志或系统信息相关索引所对应的系统信息块的方式如实施例1所述，此处不再赘述。
通过本实施例的方法，网络设备通过向UE通知区域相关标志或系统信息相关索引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例4
本实施例提供了一种系统信息指示装置，该装置可以配置于网络设备，由于该装置解决问题的原理与实施例1的方法类似，因此其具体的实施可以参考实施例1的方法的实施，内容相同之处不再重复说明。
图5是本实施例的装置的示意图，如图5所示，该装置500包括：
指示单元501，其向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
在本实施例的一个实施方式中，该指示单元501可以通过SIB-Mappinginfo字段向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
在该实施方式中，该指示单元501可以在网络侧广播的消息或者无线资源控制(RRC)消息中为每个区域相关标志或系统信息相关索引设置一个SIB-Mappinginfo字段，通过该SIB-Mappinginfo字段指示上述区域相关标志或系统信息相关索引所对应的所有系统信息块。
在本实施例的一个实施方式中，该指示单元501可以通过比特映射的方式向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
在该实施方式中，该指示单元501可以在网络侧广播的消息或者RRC消息中为每个区域相关标志或系统信息相关索引设置一个比特映射字段，通过比特映射字段指示上述区域相关标志或系统信息相关索引所对应的所有系统信息块。
在本实施例的一个实施方式中，该指示单元501可以通过可能的系统信息块组合的索引向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
在该实施方式中，网络设备可以定义可能的系统信息块组合，并为每种可能的系统信息块组合分配一个索引，该指示单元501可以在网络侧广播的消息或者RRC消息中，将区域相关标志或者系统信息相关索引所对应的系统信息块组合的索引与该区域相关标志或者系统信息相关索引一同指示。
在本实施例的一个实施方式中，网络设备可以通过指示某个系统信息窗口内的所有SIB来指示区域相关标志或者系统信息相关索引所对应的系统信息块。
在本实施方式中，该指示单元501可以在网络侧广播的消息或者RRC消息中，向用户设备指示该区域相关标志或系统信息相关索引所对应的系统信息块所在的系 统信息窗口所被调度的序号。
在本实施例的一个实施方式中，UE会向网络侧请求某个区域相关标志或系统信息相关索引所对应的SIB，则在本实施方式中，如图5所示，该装置500还可以包括：接收单元502，其用于接收用户设备发送的系统信息请求消息，该系统信息请求消息包含有区域相关标志或者系统信息相关索引。由此，指示单元501可以根据该系统信息请求消息，向用户设备指示该区域相关标志或者系统信息相关索引所对应的系统信息块。
通过本实施例的装置，网络设备将区域相关标志或系统信息相关索引与系统信息的对应关系指示给UE，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例5
本实施例提供了一种系统信息指示装置，该装置可以配置于网络设备，由于该装置解决问题的原理与实施例2的方法类似，因此其具体的实施可以参考实施例2的方法的实施，内容相同之处不再重复说明。
图6是本实施例的装置的示意图，如图6所述，该装置600包括：
第一指示单元601，其向用户设备指示区域相关标志或者系统信息相关索引发生改变，和/或改变后的区域相关标志或者系统信息相关索引。
在本实施例中，该第一指示单元601可以在寻呼消息或者RRC消息或者寻呼消息的调度信息中进行上述指示，但本实施例并不以此作为限制。
在本实施例中，该第一指示单元601可以将改变前的区域相关标志或者系统信息相关索引和改变后的区域相关标志或者系统信息相关索引一同指示，也可以仅指示改变后的区域相关标志或者系统信息相关索引。
在本实施例中，如图6所示，该装置600还可以包括：
第二指示单元602，其向用户设备指示上述区域相关标志或者系统信息相关索引所对应的系统信息块。
在本实施例中，该第二指示单元602可以通过实施例4的装置来实现，其内容被合并于此，此处不再赘述。
通过本实施例的装置，网络设备通过向UE通知区域相关标志或系统信息相关索 引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例6
本实施例提供了一种系统信息指示装置，该装置可以配置于用户设备，由于该装置解决问题的原理与实施例3的方法类似，因此其具体的实施可以参考实施例3的方法的实施，内容相同之处不再重复说明。
图7是本实施例的装置的示意图，如图7所示，该装置700包括：第一接收单元701和处理单元702，该第一接收单元701用于接收网络设备指示的改变后的区域相关标志或系统信息相关索引的信息，该处理单元702用于在上述用户设备存储有上述改变后的区域相关标志或系统信息相关索引及其对应的系统信息块时，直接应用该系统信息块，不再从网络侧重新获取所述系统信息块。
在本实施例中，网络设备可以通过寻呼消息或者RRC消息或者寻呼消息的调度信息指示改变后的区域相关标志或系统信息相关索引，具体的指示方式请参考实施例2或实施例5，此处不再赘述。
在本实施例中，网络设备可以仅指示改变后的区域相关标志或系统信息相关索引，也可以同时指示改变前的区域相关标志或系统信息相关索引和改变后的区域相关标志或系统信息相关索引，具体如实施例2或实施例5所述，此处不再赘述。则在本实施例中，该第一接收单元701还可以同时接收网络设备指示的改变前的区域相关标志或系统信息相关索引。
在本实施例中，如图7所示，该装置700还可以包括：发送单元703和第二接收单元704，该发送单元703用于向网络设备发送系统信息请求消息，该系统信息请求消息包含区域相关标志或者系统信息相关索引，该第二接收单元704用于接收该网络设备所指示的上述区域相关标志或者系统信息相关索引所对应的系统信息块。
在本实施例中，网络设备可以通过网络侧广播的消息或者RRC消息来指示上述区域相关标志或者系统信息相关索引所对应的系统信息块，具体的指示方式请参考实施例1或实施例4，此处不再赘述。
通过本实施例的装置，网络设备通过向UE通知区域相关标志或系统信息相关索引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧 获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例7
本实施例提供了一种网络设备，该网络设备包括如实施例4或实施例5所述的系统信息指示装置。
图8是本实施例的网络设备的构成示意图。如图8所示，网络设备800可以包括：处理器(processor)801和存储器802；存储器802耦合到处理器801。其中该存储器802可存储各种数据；此外还存储信息处理的程序，并且在处理器801的控制下执行该程序，以接收用户设备发送的各种信息、并且向用户设备发送请求信息。
在一个实施方式中，实施例4或实施例5所述的系统信息指示装置的功能可以被集成到处理器801中。其中，处理器801可以被配置为：向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。其中，处理器801也可以被配置为：向用户设备指示区域相关标志或者系统信息相关索引发生改变，和/或改变后的区域相关标志或者系统信息相关索引。
在另一个实施方式中，实施例4或实施例5所述的系统信息指示装置可以与处理器801分开配置，例如可以将实施例4或实施例5所述的系统信息指示装置配置为与处理器801连接的芯片，通过处理器801的控制来实现实施例4或实施例5所述的系统信息指示装置的功能。
此外，如图8所示，网络设备800还可以包括：收发机803和天线804等；其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，网络设备800也并不是必须要包括图8中所示的所有部件；此外，网络设备800还可以包括图8中没有示出的部件，可以参考现有技术。
通过本实施例的网络设备，将区域相关标志或系统信息相关索引与系统信息的对应关系指示给UE，和/或向UE通知区域相关标志或系统信息相关索引改变的信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例8
本实施例提供了一种用户设备，该用户设备包括如实施例6所述的系统信息指示 装置。
图9是本实施例的用户设备900的构成示意图。如图9所示，该用户设备900可以包括处理器901和存储器901；存储器902耦合到处理器901。值得注意的是，该图是示例性的；还可以使用其他类型的结构，来补充或代替该结构，以实现电信功能或其他功能。
在一个实施方式中，系统信息指示装置的功能可以被集成到处理器901中。其中，处理器901可以被配置为：接收网络设备指示的改变后的区域相关标志或系统信息相关索引的信息；在存储有所述改变后的区域相关标志或系统信息相关索引及其对应的系统信息块时，直接应用所述系统信息块，不再从网络侧重新获取所述系统信息块。
在另一个实施方式中，系统信息指示装置可以与处理器901分开配置，例如可以将系统信息指示装置配置为与处理器901连接的芯片，通过处理器901的控制来实现系统信息指示装置的功能。
如图9所示，该用户设备900还可以包括：通信模块903、输入单元904、显示器905、电源906。值得注意的是，用户设备900也并不是必须要包括图9中所示的所有部件；此外，用户设备900还可以包括图9中没有示出的部件，可以参考现有技术。
如图9所示，处理器901有时也称为控制器或操作控件，可以包括微处理器或其他处理器装置和/或逻辑装置，该处理器901接收输入并控制用户设备900的各个部件的操作。
其中，存储器902，例如可以是缓存器、闪存、硬驱、可移动介质、易失性存储器、非易失性存储器或其它合适装置中的一种或更多种。可储存各种数据，此外还可存储执行有关信息的程序。并且处理器901可执行该存储器902存储的该程序，以实现信息存储或处理等。其他部件的功能与现有类似，此处不再赘述。用户设备900的各部件可以通过专用硬件、固件、软件或其结合来实现，而不偏离本实施例的范围。
通过本实施例的用户设备，根据网络侧指示或通知的信息确认系统信息，可以避免UE在存储有当前小区的系统信息的情况下仍需要从网络侧获得系统信息的情况，有效的降低了UE获取系统信息的功耗。
实施例9
本发明实施例还提供一种通信系统，包括如实施例7所述的网络设备以及如实施例8所述的用户设备。
由于在实施例7和实施例8中，已经对该网络设备和该用户设备做了详细说明，其内容被合并于此，此处不再赘述。
本发明实施例还提供了一种计算机可读程序，其中当在系统信息指示装置或网络设备中执行所述程序时，所述程序使得所述系统信息指示装置或网络设备执行实施例1或实施例2所述的系统信息指示方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得系统信息指示装置或网络设备执行实施例1或实施例2所述的系统信息指示方法。
本发明实施例还提供了一种计算机可读程序，其中当在系统信息指示装置或用户设备中执行所述程序时，所述程序使得所述系统信息指示装置或用户设备执行实施例3所述的系统信息指示方法。
本发明实施例还提供了一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得系统信息指示装置或用户设备执行实施例3所述的系统信息指示方法。
实施例10
目前，3GPP已经同意了在分组数据汇聚协议(PDCP，Packet Data Convergence Protocol)层之上增加一个新的协议层，例如分组数据关联协议(PDAP，Packet Data Association Protocol)层，负责处理服务质量(QoS，Quality of Service)架构相关功能。图10是该新的协议层的位置的示意图。
发明人发现，该新的协议层需要将来自更上层的网络层协议的数据包，例如互联网协议(IP，Internet Protocol)层的数据包添加一个新的数据报头。在本实施例中，为了不影响其下层的PDCP协议对网络层数据的头压缩功能，可以将该新的协议层的数据报头置于该新的协议层的数据包的最后，也即The packet header of the new QoS framework layer above PDCP layer shall be placed at the end of its packet。
根据本实施例的第一方面，提供了一种数据处理方法，图11是该方法的流程图，请参照图11，该方法包括：
步骤1101：对数据包添加报头，所述报头位于所述数据包的预定位置，例如除头部以外的其他位置，例如最后，以将添加了所述报头的数据包递交给PDCP层。
本实施例对数据包的来源、对该数据包添加报头的方式、以及将添加了报头的数据包递交给PDCP层的方式均不作限制。
在本实施例中，该方法实施于上述新的协议层。
在本实施例中，如前所述，该新的协议层负责处理QoS架构相关功能，并且位于PDCP层之上。
在本实施例中，该数据包例如为来自上层的IP包。
通过该方法，将该新的协议层的数据报头置于该新的协议层的数据包的最后，可以不影响其下层的PDCP协议对网络层数据的头压缩功能。
根据本实施例的第二方面，提供了一种数据处理装置，该装置的实施原理与图11的方法相同，内容相同之处不再重复说明。
图12是该装置的流程图，请参照图12，该装置1200包括：
处理单元1201，其对数据包添加报头，所述报头位于所述数据包的预定位置，例如除头部以外的其他位置，例如最后，以将添加了所述报头的数据包递交给PDCP层。
在本实施例中，对该处理单元1201对该数据包添加报头的方法不作限制。
在本实施例中，该处理单元1201是在上述新的协议层进行上述处理。
在本实施例中，如前所述，该新的协议层负责处理QoS架构相关功能，并且位于PDCP层之上。
在本实施例中，该装置1200还可以包括接收单元(图未示)，该接收单元用于接收上述数据包，本实施例对该数据包的来源不作限制。在本实施例中，该数据包例如为来自上层的IP包。
在本实施例中，该装置1200还可以包括发送单元(图未示)，该发送单元用于将添加了所述报头的数据包递交给PDCP层，本实施例对递交方式不作限制。
通过该装置，将该新的协议层的数据报头置于该新的协议层的数据包的最后，可以不影响其下层的PDCP协议对网络层数据的头压缩功能。
根据本实施例的第三方面，提供了一种网络设备，其中，该网络设备可以包括前述第二方面所述的装置，该网络设备的系统架构可以与图8相同，其各组成部分的功能如前所述，但本实施例并不以此作为限制。
根据本实施例的第四方面，提供了一种用户设备，其中，该用户设备可以包括前述第二方面所述的装置，该用户设备的系统架构可以与图9相同，其各组成部分的功能如前所述，但本实施例并不以此作为限制。
根据本实施例的第五方面，提供了一种通信系统，其中，该通信系统可以包括前述第三方面所述的网络设备和前述第四方面所述的用户设备，该通信系统的架构可以与图1相同，其各组成部分的功能如前所述，但本实施例并不以此作为限制。
本发明以上的装置和方法可以由硬件实现，也可以由硬件结合软件实现。本发明涉及这样的计算机可读程序，当该程序被逻辑部件所执行时，能够使该逻辑部件实现上文所述的装置或构成部件，或使该逻辑部件实现上文所述的各种方法或步骤。本发明还涉及用于存储以上程序的存储介质，如硬盘、磁盘、光盘、DVD、flash存储器等。
结合本发明实施例描述的方法/装置可直接体现为硬件、由处理器执行的软件模块或二者组合。例如，图5-7中所示的功能框图中的一个或多个和/或功能框图的一个或多个组合，既可以对应于计算机程序流程的各个软件模块，亦可以对应于各个硬件模块。这些软件模块，可以分别对应于图2-4所示的各个步骤。这些硬件模块例如可利用现场可编程门阵列(FPGA)将这些软件模块固化而实现。
软件模块可以位于RAM存储器、闪存、ROM存储器、EPROM存储器、EEPROM存储器、寄存器、硬盘、移动磁盘、CD-ROM或者本领域已知的任何其它形式的存储介质。可以将一种存储介质耦接至处理器，从而使处理器能够从该存储介质读取信息，且可向该存储介质写入信息；或者该存储介质可以是处理器的组成部分。处理器和存储介质可以位于ASIC中。该软件模块可以存储在移动终端的存储器中，也可以存储在可插入移动终端的存储卡中。例如，若设备(如移动终端)采用的是较大容量的MEGA-SIM卡或者大容量的闪存装置，则该软件模块可存储在该MEGA-SIM卡或者大容量的闪存装置中。
针对附图中描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，可以实现为用于执行本发明所描述功能的通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。针对附图描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，还可以实现为计算设备的组合， 例如，DSP和微处理器的组合、多个微处理器、与DSP通信结合的一个或多个微处理器或者任何其它这种配置。
以上结合具体的实施方式对本发明进行了描述，但本领域技术人员应该清楚，这些描述都是示例性的，并不是对本发明保护范围的限制。本领域技术人员可以根据本发明的精神和原理对本发明做出各种变型和修改，这些变型和修改也在本发明的范围内。
关于包括以上实施例的实施方式，还公开下述的附记：
(附记1)一种数据处理方法，其中，所述方法包括：
对数据包添加报头，所述报头位于所述数据包的预定位置，以将添加了所述报头的数据包递交给PDCP层。
(附记2)根据附记1所述的方法，其中，所述报头位于所述数据包的除头部以外的其他位置。
(附记3)根据附记1所述的方法，其中，所述报头位于所述数据包的最后。
(附记4)根据附记1所述的方法，其中，所述方法实施于位于PDCP层之上的协议层。
(附记5)根据附记4所述的方法，其中，所述协议层负责处理QoS架构相关功能。
(附记6)一种数据处理装置，其中，所述装置包括：
处理单元，其对数据包添加报头，所述报头位于所述数据包的预定位置，以将添加了所述报头的数据包递交给PDCP层。
(附记7)根据附记6所述的装置，其中，所述报头位于所述数据包的除头部以外的其他位置。
(附记8)根据附记6所述的装置，其中，所述报头位于所述数据包的最后。
(附记9)根据附记6所述的装置，其中，所述处理单元在位于PDCP层之上的协议层进行上述处理。
(附记10)根据附记9所述的装置，其中，所述协议层负责处理QoS架构相关功能。

Claims (17)

  1. 一种系统信息指示装置，其中，所述装置包括：
    指示单元，其向用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
  2. 根据权利要求1所述的装置，其中，所述指示单元通过SIB-Mappinginfo字段向所述用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
  3. 根据权利要求2所述的装置，其中，所述指示单元在网络侧广播的消息或者无线资源控制(RRC)消息中为每个区域相关标志或系统信息相关索引设置一个SIB-Mappinginfo字段，通过所述SIB-Mappinginfo字段指示所述区域相关标志或系统信息相关索引所对应的所有系统信息块。
  4. 根据权利要求1所述的装置，其中，所述指示单元通过比特映射的方式向所述用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
  5. 根据权利要求4所述的装置，其中，所述指示单元在网络侧广播的消息或者RRC消息中为每个区域相关标志或系统信息相关索引设置一个比特映射字段，通过所述比特映射字段指示所述区域相关标志或系统信息相关索引所对应的所有系统信息块。
  6. 根据权利要求1所述的装置，其中，所述指示单元通过可能的系统信息块组合的索引向所述用户设备指示区域相关标志或系统信息相关索引所对应的系统信息块。
  7. 根据权利要求6所述的装置，其中，所述指示单元在网络侧广播的消息或者RRC消息中，将区域相关标志或者系统信息相关索引所对应的系统信息块组合的索引与所述区域相关标志或者系统信息相关索引一同指示。
  8. 根据权利要求1所述的装置，其中，所述指示单元在网络侧广播的消息或者RRC消息中，向所述用户设备指示所述区域相关标志或系统信息相关索引所对应的系统信息块所在的系统信息窗口所被调度的序号。
  9. 根据权利要求1所述的装置，其中，所述装置还包括：
    接收单元，其接收所述用户设备发送的系统信息请求消息，所述系统信息请求消息包含区域相关标志或者系统信息相关索引；
    所述指示单元根据所述系统信息请求消息，向所述用户设备指示所述区域相关标志或者系统信息相关索引所对应的系统信息块。
  10. 一种系统信息指示装置，其中，所述装置包括：
    第一指示单元，其向用户设备指示区域相关标志或者系统信息相关索引发生改变，和/或改变后的区域相关标志或者系统信息相关索引。
  11. 根据权利要求10所述的装置，其中，
    所述第一指示单元在寻呼消息或者RRC消息或者在寻呼消息的调度信息中进行上述指示。
  12. 根据权利要求10所述的装置，其中，所述第一指示单元将改变前的区域相关标志或者系统信息相关索引和改变后的区域相关标志或者系统信息相关索引一同指示。
  13. 根据权利要求10所述的装置，其中，所述第一指示单元仅指示改变后的区域相关标志或者系统信息相关索引。
  14. 根据权利要求10所述的装置，其中，所述装置还包括：
    第二指示单元，其向所述用户设备指示所述改变后的区域相关标志或者系统信息相关索引所对应的系统信息块。
  15. 一种系统信息指示装置，其中，所述装置包括：
    第一接收单元，其接收网络设备指示的改变后的区域相关标志或系统信息相关索引的信息；
    处理单元，其在存储有所述改变后的区域相关标志或系统信息相关索引及其对应的系统信息块时，直接应用所述系统信息块，不再从网络侧重新获取所述系统信息块。
  16. 根据权利要求15所述的装置，其中，所述第一接收单元还接收网络设备指示的改变前的区域相关标志或系统信息相关索引的信息。
  17. 根据权利要求15所述的装置，其中，所述装置还包括：
    发送单元，其向网络设备发送系统信息请求消息，所述系统信息请求消息包含区域相关标志或者系统信息相关索引；
    第二接收单元，其接收所述网络设备所指示的所述区域相关标志或者系统信息相关索引所对应的系统信息块。
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