WO2018000378A1 - 频带处理方法及装置 - Google Patents

频带处理方法及装置 Download PDF

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Publication number
WO2018000378A1
WO2018000378A1 PCT/CN2016/088007 CN2016088007W WO2018000378A1 WO 2018000378 A1 WO2018000378 A1 WO 2018000378A1 CN 2016088007 W CN2016088007 W CN 2016088007W WO 2018000378 A1 WO2018000378 A1 WO 2018000378A1
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WO
WIPO (PCT)
Prior art keywords
frequency band
terminal
primary
band
serving cell
Prior art date
Application number
PCT/CN2016/088007
Other languages
English (en)
French (fr)
Inventor
雍朝良
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2016/088007 priority Critical patent/WO2018000378A1/zh
Priority to JP2018567901A priority patent/JP6733939B2/ja
Priority to BR112018077043A priority patent/BR112018077043A2/pt
Priority to CN201680086372.8A priority patent/CN109196915B/zh
Priority to EP16906778.2A priority patent/EP3462780B1/en
Publication of WO2018000378A1 publication Critical patent/WO2018000378A1/zh
Priority to US16/232,951 priority patent/US20190132846A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0096—Indication of changes in allocation
    • H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
    • 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

Definitions

  • the present invention relates to wireless communication technologies, and in particular, to a frequency band processing method and apparatus.
  • CA Carrier Aggregation
  • the CA technology obtains more bandwidth by aggregating multiple consecutive or non-contiguous Component Carriers (CCs), thereby increasing system data transmission rate and system throughput, and also solving the problem of carrier spectrum discontinuity.
  • CCs Component Carriers
  • the CA technology allows a CA-capable terminal to use a plurality of aggregated carriers for data transmission.
  • the aggregated multiple CCs include a primary component carrier (PCC) and at least one secondary component carrier (SCC). ).
  • PCC primary component carrier
  • SCC secondary component carrier
  • CA capabilities of the terminal are often limited, and CA or optimal CA combinations may not be implemented.
  • Embodiments of the present invention provide a frequency band processing method and apparatus, in order to obtain a better CA effect.
  • a first aspect of the embodiments of the present invention provides a frequency band processing method, in a communication system for band overlapping coverage, in which a serving cell of a terminal is configured with a primary frequency band and a secondary frequency band, and the terminal is initially configured from the The primary frequency band accesses the network, and the method includes:
  • the base station acquires CA capability information of the terminal
  • the access band is switched from the primary band to the secondary band.
  • the method further includes:
  • the base station sends configuration information to the terminal, where the configuration information is used to indicate that the terminal preferentially accesses the network from the slave frequency band.
  • the configuration information includes information and a priority of a frequency point of the serving cell in a primary frequency band, and information and a priority of a frequency of the serving cell in a secondary frequency band, where the serving cell is in a The priority of the frequency band of the frequency band is higher than the priority of the frequency of the serving cell in the primary frequency band.
  • the determining, by the base station, to switch the access frequency band of the terminal from the primary frequency band to the secondary frequency band according to the CA capability information including:
  • the base station acquires, according to the CA capability information, an aggregated frequency band combination corresponding to the primary frequency band and an aggregated frequency band combination corresponding to the secondary frequency band;
  • the base station determines to switch an access frequency band of the terminal from the primary frequency band to the secondary frequency band according to an aggregated frequency band combination corresponding to the primary frequency band and an aggregated frequency band combination corresponding to the secondary frequency band.
  • the base station determines to switch the access band of the terminal from the primary frequency band to the secondary frequency band according to the combination of the aggregated frequency band corresponding to the primary frequency band and the energyizable frequency band combination corresponding to the frequency band, and may be: an aggregation that is corresponding to the secondary frequency band.
  • the base station determines to switch the access band of the terminal from the primary band to the secondary band.
  • a second aspect of the embodiments of the present invention provides a frequency band processing method, in a communication system for band overlapping coverage, in which a serving cell of a terminal is configured with a primary frequency band and a secondary frequency band, and the terminal is initially configured from the The primary frequency band accesses the network, and the method includes:
  • the terminal switches the access frequency band from the primary frequency band to the secondary frequency band according to the handover indication.
  • the method further includes:
  • the terminal accesses from the slave frequency band when accessing the network next time according to the configuration information.
  • the configuration information includes information and priority of the serving cell in a frequency band of the primary frequency band. And a priority of the frequency of the serving cell in the frequency band of the secondary frequency band, wherein the priority of the frequency of the serving cell in the secondary frequency band is higher than the priority of the frequency of the serving frequency band in the primary frequency band.
  • a third aspect of the embodiments of the present invention provides a frequency band processing method, in a communication system for band overlapping coverage, in which a serving cell of a terminal is configured with a primary frequency band and a secondary frequency band, and the terminal is initially configured from the The primary frequency band accesses the network, and the method includes:
  • the base station generates configuration information, where the configuration information is used to indicate that the terminal preferentially accesses the network from the slave frequency band;
  • the base station sends the configuration information to the terminal.
  • the configuration information includes information and a priority of a frequency point of the serving cell in a primary frequency band, and information and a priority of a frequency of the serving cell in a secondary frequency band, where the serving cell is in a The priority of the frequency band of the frequency band is higher than the priority of the frequency of the serving cell in the primary frequency band.
  • a fourth aspect of the embodiments of the present invention provides a frequency band processing method, in a communication system for band overlapping coverage, in which a serving cell of a terminal is configured with a primary frequency band and a secondary frequency band, and the terminal is initially configured from the The primary frequency band accesses the network, and the method includes:
  • the terminal accesses the network from the slave frequency band according to the configuration information.
  • the configuration information includes information and a priority of a frequency point of the serving cell in a primary frequency band, and information and a priority of a frequency of the serving cell in a secondary frequency band, where the serving cell is in a The priority of the frequency band of the frequency band is higher than the priority of the frequency of the serving cell in the primary frequency band.
  • a fifth aspect of the embodiments of the present invention provides a frequency band processing apparatus, the apparatus comprising means or means for performing the method of the first aspect and the various implementations of the first aspect.
  • a sixth aspect of the embodiments of the present invention provides a frequency band processing apparatus, the apparatus comprising means or means for performing the methods provided by the second aspect and the various implementations of the second aspect.
  • a seventh aspect of the embodiments of the present invention provides a frequency band processing apparatus, the apparatus comprising means or means for performing the methods provided by the third aspect and the various implementations of the third aspect.
  • An eighth aspect of the embodiments of the present invention provides a frequency band processing apparatus, where the apparatus includes A module or means of the method provided by the above fourth aspect and various implementations of the fourth aspect.
  • a ninth aspect of the embodiments of the present invention provides a frequency band processing apparatus, the apparatus comprising a processor and a memory, wherein the memory is used to store a program, and the processor calls a program stored in the memory to perform the method provided by the first aspect of the present application.
  • a tenth aspect of the embodiments of the present invention provides a frequency band processing apparatus, the apparatus comprising a processor and a memory, wherein the memory is used to store a program, and the processor calls a program stored in the memory to perform the method provided by the second aspect of the present application.
  • An eleventh embodiment of the present invention provides a band processing apparatus, the apparatus comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the third aspect of the present application.
  • a twelfth aspect of the embodiments of the present invention provides a frequency band processing apparatus, the apparatus comprising a processor and a memory, the memory is for storing a program, and the processor calls a program stored in the memory to perform the method provided by the fourth aspect of the present application.
  • a thirteenth aspect of the embodiments of the present invention provides a band processing apparatus comprising at least one processing element (or chip) for performing the method of the above first aspect.
  • a fourteenth aspect of the embodiments of the present invention provides a band processing apparatus comprising at least one processing element (or chip) for performing the method of the above second aspect.
  • a fifteenth aspect of the present invention provides a band processing apparatus comprising at least one processing element (or chip) for performing the method of the above third aspect.
  • a sixteenth aspect of the embodiments of the present invention provides a frequency band processing apparatus comprising at least one processing element (or chip) for performing the method of the above fourth aspect.
  • a seventeenth aspect of the embodiments of the present invention provides a program for executing the method of the above first aspect when executed by a processor.
  • An eighteenth aspect of the present invention provides a program product, such as a computer readable storage medium, comprising the program of the seventeenth aspect.
  • a nineteenth aspect of the embodiments of the present invention provides a program for performing the method of the above second aspect when executed by a processor.
  • a twentieth aspect of the embodiments of the present invention provides a program product, such as a computer readable storage medium, comprising the program of the nineteenth aspect.
  • a twenty-first aspect of the embodiments of the present invention provides a program for performing the method of the above third aspect when executed by a processor.
  • a twenty-second aspect of the embodiments of the present invention provides a program product, such as a computer readable storage medium, comprising the program of the twenty-first aspect.
  • a twenty-third aspect of the embodiments of the present invention provides a program for performing the method of the above fourth aspect when executed by a processor.
  • a twenty-fourth aspect of the embodiments of the present invention provides a program product, such as a computer readable storage medium, comprising the program of the twenty-third aspect.
  • the base station determines to switch the access frequency band of the terminal from the primary frequency band to the secondary frequency band according to the CA capability information of the terminal, and sends a handover indication to the terminal, so that the terminal selects the access frequency band from the primary frequency according to the handover indication.
  • the terminal can obtain a better frequency band combination and obtain a better CA effect, thereby obtaining a larger bandwidth and improving the user experience.
  • Figure 1 is a block diagram of a communication system
  • FIG. 2 is a schematic diagram of a CA scenario
  • Figure 3 is a schematic diagram of a continuous CA in a belt
  • Figure 4 is a schematic diagram of an in-band discontinuous CA
  • Figure 5 is a schematic view of a belt CA
  • Figure 6 is a schematic diagram of a band overlap coverage
  • FIG. 7 is a schematic flowchart diagram of a frequency band processing method according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic flowchart diagram of another method for processing a frequency band according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a frequency band processing apparatus according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of another frequency band processing apparatus according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another frequency band processing apparatus according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another frequency band processing apparatus according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • a base station also known as a radio access network (RAN) device, is a device that connects a terminal to a wireless network, and can be a Global System of Mobile communication (GSM) or a code division.
  • GSM Global System of Mobile communication
  • a Base Transceiver Station (BTS) in the Code Division Multiple Access (CDMA) may be a base station (NodeB, NB for short) in Wideband Code Division Multiple Access (WCDMA). It may also be an evolved base station (Evolutional Node B, eNB or eNodeB) in the Long Term Evolution (LTE), or a relay station or an access point, or a base station in a future 5G network, etc., which is not limited herein. .
  • the wireless terminal can be a wireless terminal or a wired terminal.
  • the wireless terminal can be a device that provides voice and/or other service data connectivity to the user, a handheld device with wireless connectivity, or other processing device connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a Radio Access Network (RAN), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and a mobile terminal.
  • RAN Radio Access Network
  • the computer for example, can be a portable, pocket, handheld, computer built-in or in-vehicle mobile device that exchanges language and/or data with the wireless access network.
  • the wireless terminal may also be referred to as a system, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, and a remote terminal. Access Terminal, User Terminal, User Agent Agent, user equipment (User Device or User Equipment), which is not limited herein.
  • a plurality means two or more.
  • "and/or” describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • Figure 1 is a block diagram of a communication system.
  • the communication system includes a core network (Core Network, CN) and a radio access network (RAN), and the CN and the RAN can communicate through a bearer network (also referred to as a transport network).
  • the bearer network includes, for example, an optical fiber, a router, and the like.
  • the terminal accesses the RAN through the base station, and implements communication with the external network through the CN device.
  • the terminal accesses the wireless network in the cell 1 (Cell 1), and the terminal is a CA-capable terminal, which can report the CA capability to the base station where the cell 1 is located.
  • the base station where the cell 1 is located can configure the cell 2 as a secondary cell according to the CA capability reported by the terminal, and jointly transmit data for the terminal.
  • Cell 1 is a primary cell, which corresponds to a PCC; and
  • Cell 2 is a secondary cell, which corresponds to an SCC.
  • This is a CA scenario described by taking two CCs as an example. Actually, more CCs can be gathered to provide services for the terminal.
  • CA can be classified into in-band aggregation (Intra-band).
  • CA) and Inter-band CA carrier aggregation of Intra-band CA is divided into continuous and non-continuous CA.
  • FIG. 3 is a schematic diagram of a continuous CA in the band. As shown in FIG. 3, consecutive carriers 1 and 2 in the same frequency band Band 1 can be aggregated to provide a larger transmission bandwidth for the terminal.
  • FIG. 4 is a schematic diagram of an in-band discontinuous CA. As shown in FIG. 4, non-contiguous carriers 1 and 3 in the same frequency band Band 1 can be aggregated to provide a larger transmission bandwidth for the terminal;
  • FIG. 5 is a A schematic diagram of the inter-band CA, as shown in FIG. 5, carriers 1 and 2 in different bands Band 1 and Band 2 can be aggregated to provide a larger transmission bandwidth for the terminal, and "f" in the above figures refers to the frequency.
  • the frequency band Ba and the frequency band Bb have overlapping regions in frequency, and the cells whose frequency points are in the region may be configured with multiple frequency bands, for example, the configuration frequency band Ba and the frequency band Bb, wherein one frequency band is the main frequency band, The other frequency band is a secondary frequency band, and the frequency of the primary frequency band of the cell is different from the frequency of the secondary frequency band.
  • the frequency band Ba is the main frequency band
  • the frequency band Bb is the secondary frequency band.
  • "f" refers to the frequency.
  • the terminal is preferentially accessed from the primary band.
  • the CA capabilities of the terminal in the primary and secondary bands may be different, for example, in the following scenarios:
  • the main band does not support CA, and the slave band supports CA;
  • the main band supports 2CC aggregation (referred to as 2CC), and the slave band supports 3CC aggregation (referred to as 3CC);
  • the primary frequency band does not support uplink (UL) 2CC, and the secondary frequency band supports UL 2CC;
  • the main frequency band does not support aggregation between different standards, and the frequency band supports aggregation between different standards.
  • the aggregation between the different standards may be various, for example, the aggregation between the frequency division duplex (FDD) and the time division duplex (TDD), and is not limited herein.
  • the difference in CA capability of the terminal between the primary band and the secondary band may be affected by the CA.
  • the primary band Ba does not support CA
  • the secondary band Bb supports CA
  • the terminal preferentially from the primary band. If the Ba accesses the network, the CA cannot be performed, which affects the user experience.
  • the primary frequency band Ba supports 2CC
  • the secondary frequency band Bb supports 3CC
  • the terminal preferentially accesses the network from the primary frequency band Ba, and only 2CC can be performed, and the CA capability does not achieve the desired effect.
  • the main band Ba does not support the UL 2CC
  • the band Bb supports the UL 2CC
  • the terminal preferentially accesses the network from the main band Ba
  • the UL 2 CC cannot be performed, and the CA capability does not achieve the desired effect.
  • the primary frequency band Ba does not support aggregation between different standards
  • the bandwidth Bb supports aggregation between different standards. If the terminal preferentially accesses the network from the primary frequency band Ba, aggregation between different standards cannot be performed, which affects the user experience.
  • the present invention proposes a frequency band processing method for enabling a terminal to access from a more reasonable frequency band and improving the user experience.
  • the band processing method is mainly used in a communication system in which band overlap coverage is provided, in which a serving cell of a terminal is set with a primary frequency band and a secondary frequency band, and the terminal accesses the network from the primary frequency band in an initial state.
  • FIG. 7 is a schematic flowchart of a frequency band processing method according to an embodiment of the present invention. As shown in FIG. 7, the method includes:
  • the base station acquires CA capability information of the terminal.
  • the base station may acquire the CA capability information of the terminal from the terminal, or acquire the CA capability information of the terminal from the CN.
  • the terminal can report its own CA capability information to the base station, and can also query the terminal when the base station needs it, and then the terminal reports its own CA capability information to the base station.
  • the terminal can pass the cell band supported by the cell. (supportedBandCombination)" reports its own CA capability information to the base station; when acquiring the CA capability information of the terminal from the CN, it can be brought to the base station by the CN device through the context of the terminal.
  • the base station determines, according to the CA capability information, that the access frequency band of the terminal is switched from the primary frequency band to the secondary frequency band.
  • the base station can learn the CA band combination supported by the terminal according to the CA capability information reported by the terminal.
  • CA configurations and bandwidth combination sets are stored in the base station.
  • the base station can accordingly determine the combination of CA bands that can be supported on the primary frequency band for the terminal, and the CA band combinations that it can support on the secondary frequency band.
  • a comparison of the CA band combinations that the terminal can support on the primary band and the CA band combinations that the terminals can support from the band can be used to obtain a better CA effect. If the primary band can achieve a better CA effect, no handover is required; if a better CA effect can be obtained from the band, it is determined to switch the access band of the terminal from the primary band to the secondary band. Taking the foregoing several scenarios as an example, when the bandwidth obtained by the frequency band supported band aggregation is larger, it is determined to switch the access band of the terminal from the primary frequency band to the secondary frequency band.
  • the base station sends a handover indication to the terminal, where the handover indication is used to instruct the terminal to switch the access frequency band from the primary frequency band to the secondary frequency band.
  • the terminal receives the foregoing handover indication sent by the base station, and accesses the cell from the secondary frequency band according to the handover indication.
  • the switching of the primary and secondary frequency bands may be implemented by intra-cell handover, and the handover indication may be a radio resource control (RRC) connection reconfiguration (RRC) message, where the RRC connection reconfiguration message carries the frequency of the cell in the secondary frequency band. Point so that the terminal re-accesses the cell at the frequency of the slave band. Further, the RRC connection reconfiguration message may further carry information of the SCC to notify the terminal to aggregate the SCC.
  • RRC radio resource control
  • RRC connection reconfiguration message may further carry information of the SCC to notify the terminal to aggregate the SCC.
  • the base station can perform CA according to the aggregated frequency band combination corresponding to the secondary frequency band to obtain a larger bandwidth.
  • the base station determines to switch the access frequency band of the terminal from the primary frequency band to the secondary frequency band according to the CA capability information of the terminal, and sends a handover indication to the terminal, so that the terminal sets the access frequency band from the primary frequency band according to the handover indication.
  • the terminal After switching to the slave frequency band, the terminal can obtain a better frequency band combination and obtain a better CA effect, thereby obtaining a larger bandwidth and improving the user experience.
  • the base station may first determine the current access frequency band of the terminal, if The former access is the primary frequency band, and S702 and S703 are performed. If the terminal currently accesses the secondary frequency band, it is not necessary to execute S702 and S703.
  • the base station determines, according to the CA capability information, that the access frequency band of the terminal is switched from the primary frequency band to the secondary frequency band, and the base station may obtain the aggregated frequency band combination corresponding to the primary frequency band and the corresponding corresponding frequency band according to the CA capability information.
  • the aggregation band is combined; further, the base station can determine to switch the access band of the terminal from the main band to the slave band according to the combination of the aggregatable band corresponding to the main band and the group of bandable bands corresponding to the band.
  • the base station determines to switch the access band of the terminal from the primary frequency band to the secondary frequency band according to the combination of the aggregated frequency band corresponding to the primary frequency band and the energyizable frequency band combination corresponding to the frequency band, and may be: an aggregation that is corresponding to the secondary frequency band.
  • the base station determines to switch the access band of the terminal from the primary band to the secondary band.
  • the combination of the aggregated frequency bands corresponding to the primary frequency band is the combination of the CA frequency bands that the terminal can support in the primary frequency band
  • the combination of the energyizable frequency bands corresponding to the secondary frequency band is the combination of the CA frequency bands that the terminal can support in the secondary frequency band.
  • the combination of the frequency bands with a small number of layers and the frequency band combination with a large number of uplink carriers is superior to the combination of frequency bands with a small number of uplink carriers, and is not limited herein.
  • the combination of the frequency bands corresponding to the primary frequency band and the secondary frequency band is different, and the base station analyzes the frequency band combination corresponding to the primary frequency band according to the CA capability information reported by the terminal. And the combination of the frequency bands corresponding to the frequency band, to know which frequency band combination is better, to determine whether the terminal is switched, for example:
  • the operator supports the primary and secondary bands for CA, but the terminal supports different multi-carrier aggregation capabilities for the primary and secondary bands (refer to the four application scenarios mentioned above), assuming that the primary band configured by the base station is recorded as Ba.
  • the band is recorded as Bb, and the endurable band combination supported by the terminal includes: Ba+Bc, Bb+Bc, Bb+Bc+Bd, where Bc and Bd are the main frequency band and other frequency bands other than the secondary frequency band.
  • the base station can only aggregate the two bands of "Ba+Bc" if it accesses the network from the primary frequency band Ba, but if it accesses the network from the above-mentioned secondary frequency band Bb, the maximum may be "
  • the three-band aggregation of Bb+Bc+Bd can provide more bandwidth and better user experience. After switching, there can be a three-band aggregation of "Bb+Bc+Bd".
  • the terminal supports the uplink and downlink capability of the primary frequency band and the secondary frequency band.
  • the primary frequency band of the cell configuration is denoted as Ba
  • the secondary frequency band is denoted as Bb.
  • the aggregated frequency band combination supported by the terminal includes: Ba+Bc And Bb+Bc, but "Ba+Bc" can only support Ba single uplink aggregation, "Bb+Bc” supports Bb and Bc dual uplink aggregation, and if the terminal accesses the network from the primary frequency band Ba, it is impossible to perform dual uplink aggregation. .
  • the base station may determine which slave frequency band to switch the access frequency band of the terminal to according to the aggregated frequency band combination corresponding to each slave frequency band. Specifically, the slave frequency band in which the optimal polymerizable frequency band combination is included is selected for terminal access.
  • the number of frequency bands in the aggregation band combination, the number of MIMO layers, or the number of uplink carriers for example, a combination of frequency bands having a large number of frequency bands is superior to a frequency band combination having a small frequency band,
  • the frequency band combination in which the number of MIMO layers is large is superior to the frequency band combination in which the number of MIMO layers is small
  • the frequency band combination in which the number of uplink carriers is large is larger than the frequency band combination in which the number of uplink carriers is small, and is not limited herein.
  • the base station may further send a frequency band combination indication to the terminal, where the frequency band combination indication may carry the identifier of the at least one frequency band.
  • the base station can perform band aggregation according to the band combination indication. That is, the base station can inform the terminal of the preferred frequency band combination, and the terminal performs band aggregation according to this combination. For example, the base station indicates "Bb+Bc+Bd" in the band combination indication, and the terminal can perform the "Bb+Bc+Bd" three-band aggregation.
  • frequency band combination indication and the foregoing handover indication may be carried in the same message, or may be carried in different messages, and are not limited herein.
  • the base station may further send configuration information to the terminal (S705), informing the terminal to preferentially access the cell (or network) from the secondary frequency band. That is to say, the priority of the master-slave band is changed, so that the terminal does not need to perform the switching of the master-slave band at the next access, and the CA that is consistent with the current selection policy can be realized.
  • the configuration information can be sent when the terminal is released, for example, by Idle Mode Mobility Control Info (IMMCI). Send to configuration information.
  • IMMCI Idle Mode Mobility Control Info
  • the UE When the UE is released, by configuring a high-priority slave frequency band in the IMMCI cell, the UE does not need to perform intra-cell handover at the next access, but selects carrier aggregation consistent with the current selection policy.
  • the content of the configuration information is not limited herein, as long as the terminal can be notified to preferentially access the cell from the slave frequency band.
  • the information and the priority of the frequency band of the primary frequency band and the secondary frequency band of the cell may be included, where the priority of the frequency of the frequency band of the secondary frequency band is higher than the frequency of the frequency of the primary frequency band. level.
  • the information of the frequency point can be the frequency point identification.
  • the configuration information may include other frequency points, which may be the frequency of the other frequency band of the cell, or may be the frequency of other cells, which is not limited herein.
  • FIG. 8 is a schematic flowchart of another method for processing a frequency band according to an embodiment of the present invention. As shown in FIG. 8, the method includes:
  • the base station sends configuration information to the terminal, where the configuration information is used to indicate that the terminal preferentially accesses the network from the foregoing slave frequency band.
  • the terminal receives the foregoing configuration information sent by the base station.
  • the terminal accesses from the foregoing slave frequency band when accessing the network next time according to the configuration information.
  • the base station notifies the terminal to the preferred frequency band, and the terminal can store the preferred frequency band, and then directly accesses the stored preferred frequency band when accessing the network next time, without switching after accessing.
  • the base station may send the configuration information to the terminal in the release indication message when the terminal is in the idle state.
  • the UE when the UE is released, by configuring a high-priority slave frequency band in the IMMCI cell, the UE does not need to perform intra-cell handover at the next access, but selects carrier aggregation consistent with the current selection policy.
  • the content of the configuration information is not limited herein, as long as the terminal can be notified to preferentially access the cell from the slave frequency band.
  • the information and the priority of the frequency band of the primary frequency band and the secondary frequency band of the cell may be included, where the priority of the frequency of the frequency band of the secondary frequency band is higher than the frequency of the frequency of the primary frequency band. level.
  • the information of the frequency point can be the frequency point identification.
  • the configuration information may include other frequency points, which may be the frequency of the other frequency band of the cell, or may be the frequency of other cells, which is not limited herein.
  • the terminal After receiving the configuration information, the terminal will information about the frequency of the primary frequency band and the secondary frequency band of the cell. The priority is stored. When the network needs to access the network next time, the terminal determines the frequency with the highest priority according to the priority information corresponding to each frequency point, and accesses the frequency with the highest priority.
  • FIG. 8 may also be an independent embodiment, that is, the base station generates the configuration information and sends the configuration information to the terminal.
  • the terminal After receiving the configuration information, the terminal accesses the network from the above-mentioned slave frequency band according to the configuration information.
  • the terminal may store the configuration information. If the terminal is currently connected to the network, the terminal may access the network from the above-mentioned slave frequency band during the next access; if the terminal does not access the network, the terminal may need to access the network. The network directly accesses the network from the above-mentioned slave frequency band.
  • the base station sends the configuration information to the terminal to indicate that the terminal preferentially accesses the network from the secondary frequency band, so that the terminal can access the network directly from the secondary frequency band according to the configuration information, and the aggregated frequency band corresponding to the frequency band is superior to the primary.
  • the combination of the frequency bands corresponding to the frequency bands enables the terminal to obtain better frequency band aggregation from the secondary frequency band access network, thereby improving the user experience.
  • the base station may not send the configuration information to the terminal, and the terminal accesses the network from the primary frequency band.
  • FIG. 9 is a schematic structural diagram of a frequency band processing apparatus according to an embodiment of the present invention.
  • the apparatus may be located in a base station, and used in a communication system with overlapping frequency bands.
  • the serving cell of the terminal is configured with a primary frequency band and a slave. a frequency band, and the terminal initially accesses the network from the primary frequency band.
  • the apparatus includes: an obtaining module 901, a determining module 902, and a sending module 903, where:
  • the obtaining module 901 is configured to acquire CA capability information of the terminal.
  • the determining module 902 is configured to, according to the CA capability information, determine to switch an access frequency band of the terminal from the primary frequency band to the secondary frequency band.
  • the sending module 903 is configured to send a handover indication to the terminal, where the handover indication is used to instruct the terminal to switch an access frequency band from the primary frequency band to the secondary frequency band.
  • the base station determines to switch the access frequency band of the terminal from the primary frequency band to the secondary frequency band according to the CA capability information of the terminal, and sends a handover indication to the terminal, so that the terminal sets the access frequency band from the primary frequency band according to the handover indication.
  • the terminal After switching to the slave frequency band, the terminal can obtain a better frequency band combination and obtain a better CA effect, thereby obtaining a larger bandwidth and improving the user experience.
  • the sending module 903 is further configured to send configuration information to the terminal, where the configuration The information is used to indicate that the terminal preferentially accesses the network from the slave frequency band.
  • the configuration information includes information and a priority of a frequency point of the serving cell in the primary frequency band, and information and a priority of the frequency of the serving cell in the secondary frequency band, where the serving cell is in the frequency band of the secondary frequency band.
  • the priority is higher than the priority of the serving cell at the frequency of the primary frequency band.
  • the determining module 902 is configured to acquire, according to the CA capability information, an aggregateable frequency band combination corresponding to the primary frequency band and an aggregated frequency band combination corresponding to the secondary frequency band, and corresponding to the primary frequency band.
  • the combination of the aggregatable frequency band and the polymerizable frequency band corresponding to the slave frequency band determines to switch the access frequency band of the terminal from the primary frequency band to the secondary frequency band.
  • the foregoing device may be used to perform the method provided in the foregoing method embodiment, and the specific implementation manner and the technical effect are similar, and details are not described herein again.
  • FIG. 10 is a schematic structural diagram of another frequency band processing apparatus according to an embodiment of the present invention.
  • the apparatus may be located in a terminal, and used in a communication system with band overlapping coverage.
  • a serving cell of the terminal is configured with a main frequency band and From the frequency band, and the terminal initially accesses the network from the primary frequency band, and participates in FIG. 10, the apparatus includes: a receiving module 110 and an access module 111, where:
  • the receiving module 110 is configured to receive a handover indication sent by the base station, where the handover indication is used to instruct the terminal to switch an access frequency band from the primary frequency band to the secondary frequency band.
  • the access module 111 is configured to switch the access frequency band from the primary frequency band to the secondary frequency band according to the handover indication.
  • the receiving module 110 is further configured to receive configuration information sent by the base station, where the configuration information is used to indicate that the terminal preferentially accesses the network from the slave frequency band.
  • the access module 111 accesses from the slave frequency band when accessing the network next time according to the configuration information.
  • the configuration information includes information and a priority of a frequency point of the serving cell in a primary frequency band, and information and a priority of a frequency of the serving cell in a secondary frequency band, where the serving cell is in a The priority of the frequency band of the frequency band is higher than the priority of the frequency of the serving cell in the primary frequency band.
  • the foregoing device may be used to perform the method provided in the foregoing method embodiment, and the specific implementation manner and the technical effect are similar, and details are not described herein again.
  • FIG. 11 is a schematic structural diagram of another frequency band processing apparatus according to an embodiment of the present invention.
  • the apparatus may be located in a base station, and used in a communication system with overlapping frequency bands.
  • a serving cell of the terminal is configured with a main frequency band and From the frequency band, and the terminal initially accesses the network from the primary frequency band, such as
  • the apparatus includes: a generating module 112 and a transmitting module 113, wherein:
  • the generating module 112 is configured to generate configuration information, where the configuration information is used to indicate that the terminal preferentially accesses the network from the slave frequency band.
  • the sending module 113 is configured to send the configuration information to the terminal.
  • the base station sends the configuration information to the terminal to indicate that the terminal preferentially accesses the network from the secondary frequency band, so that the terminal can access the network directly from the secondary frequency band according to the configuration information, and the aggregated frequency band corresponding to the frequency band is superior to the primary.
  • the combination of the frequency bands corresponding to the frequency bands enables the terminal to obtain better frequency band aggregation from the secondary frequency band access network, thereby improving the user experience.
  • the configuration information includes information and a priority of a frequency point of the serving cell in a primary frequency band, and information and a priority of a frequency of the serving cell in a secondary frequency band, where the serving cell is in a The priority of the frequency band of the frequency band is higher than the priority of the frequency of the serving cell in the primary frequency band.
  • the foregoing device may be used to perform the method provided in the foregoing method embodiment, and the specific implementation manner and the technical effect are similar, and details are not described herein again.
  • FIG. 12 is a schematic structural diagram of another frequency band processing apparatus according to an embodiment of the present invention.
  • the apparatus may be located in a terminal, in a communication system for overlapping band coverage, in which a serving cell of a terminal is configured with a main frequency band and
  • the device includes a receiving module 121 and an access module 122, where:
  • the receiving module 121 is configured to receive configuration information sent by the base station, where the configuration information is used to indicate that the terminal preferentially accesses the network from the slave frequency band.
  • the access module 122 is configured to access the network from the slave frequency band according to the configuration information.
  • the configuration information, the information and priority of the serving cell in the frequency band of the primary frequency band, and the information and priority of the serving cell in the frequency band of the secondary frequency band, where the serving cell is in the secondary frequency band is higher than the priority of the serving cell at the frequency of the primary frequency band.
  • the foregoing device may be used to perform the method provided in the foregoing method embodiment, and the specific implementation manner and the technical effect are similar, and details are not described herein again.
  • each module of the above base station is only a division of a logical function. In actual implementation, it may be integrated into one physical entity in whole or in part, or may be physically separated. And these modules can all be implemented by software in the form of processing component calls; or all of them can be implemented in hardware form; some modules can be realized by processing component calling software, and some modules are realized by hardware.
  • the determination module can be set up separately
  • the processing component can also be implemented in one of the above-mentioned devices, or can be stored in the memory of the above device in the form of program code, and a certain processing component of the device can call and execute the function of the above determining module. .
  • the implementation of other modules is similar.
  • each step of the above method or each of the above modules may be completed by an integrated logic circuit of hardware in the processor element or an instruction in a form of software.
  • the above modules may be one or more integrated circuits configured to implement the above methods, such as one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (digital) Singnal processor (DSP), or one or more Field Programmable Gate Array (FPGA).
  • ASICs Application Specific Integrated Circuits
  • DSP digital Singnal processor
  • FPGA Field Programmable Gate Array
  • the processing component may be a general purpose processor, such as a central processing unit (CPU) or other processor that can call the program code.
  • CPU central processing unit
  • these modules can be integrated and implemented in the form of a system-on-a-chip (SOC).
  • SOC system-on-a-chip
  • FIG. 13 is a schematic structural diagram of a base station used in a communication system with band overlapping coverage, where a serving cell of a terminal is configured with a primary frequency band and a secondary frequency band, and the terminal is configured according to an embodiment of the present invention. Initially accessing the network from the primary frequency band.
  • the apparatus includes an antenna 11, a radio frequency device 12, and a baseband device 13.
  • the antenna 11 is connected to the radio frequency device 12.
  • the radio frequency device 12 receives information through the antenna 11, and transmits the received information to the baseband device 13 for processing.
  • the baseband device 13 processes the information to be transmitted and transmits it to the radio frequency device 12.
  • the radio frequency device 12 processes the received information and transmits it via the antenna 11.
  • the above-described band processing device may be located in the baseband device 13, and the method provided in the above embodiment may be implemented in the baseband device 13, which includes the processing element 131 and the storage element 132.
  • the baseband device 13 may, for example, comprise at least one baseband board having a plurality of chips disposed thereon, as shown in FIG. 13, one of which is, for example, a processing component 131, coupled to the storage component 132 to invoke a program in the storage component 132 The operations shown in the above method embodiments are performed.
  • the baseband device 13 may further include an interface 133 for interacting with the radio frequency device 12, such as a common public radio interface (referred to as a common public radio interface). CPRI).
  • a common public radio interface referred to as a common public radio interface. CPRI
  • the processing element herein may be a processor or a collective name of a plurality of processing elements.
  • the processing element may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method.
  • the processing element may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method.
  • the storage element can be a memory or a collective name for a plurality of storage elements.
  • FIG. 14 is a schematic structural diagram of a terminal used in a communication system with overlapping coverage of a frequency band in which a serving cell of a terminal is configured with a primary frequency band and a secondary frequency band, and the terminal is configured according to an embodiment of the present invention. Initially accessing the network from the primary frequency band.
  • the terminal includes a processor 141, a storage component 142, and a transceiver 143.
  • the transceiver 143 can be connected to an antenna. In the downlink direction, the transceiver 143 receives the information transmitted by the base station through the antenna, and transmits the information to the processor 141 for processing. In the uplink direction, the processor 141 processes the data of the terminal and transmits the data to the base station through the transceiver 143.
  • the storage unit 142 is configured to store the program code of the foregoing method embodiment, or the modules of the embodiment shown in FIG. 10 and FIG. 12, and the processor 141 calls the program code to perform the operations of the foregoing method embodiment to implement FIG. 10 and FIG. 12 shows the various modules of the embodiment.
  • some or all of the above units may be implemented by being embedded in a chip of the terminal in the form of a Field Programmable Gate Array (FPGA). And they can be implemented separately or integrated.
  • FPGA Field Programmable Gate Array
  • the processing elements herein are the same as described above, and may be a general-purpose processor, such as a CPU, or may be one or more integrated circuits configured to implement the above method, for example, one or more specific integrated circuits (Application Specific Integrated Circuits, referred to as ASIC), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
  • ASIC Application Specific Integrated Circuit
  • DSPs microprocessors
  • FPGAs Field Programmable Gate Arrays
  • the storage element can be a storage device or a collective name for a plurality of storage elements.
  • a plurality of interfaces may be disposed on the processor for respectively connecting peripheral devices or interface circuits connected to the peripheral devices.
  • peripheral devices for example, an interface for connecting a display screen, an interface for connecting to a camera, an interface for connecting an audio processing element, and the like.

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Abstract

一种频带处理方法及装置，该方法包括：基站获取终端的CA能力信息(S701)；基站根据CA能力信息，确定将终端的接入频带从主频带切换到从频带(S702)；基站向所述终端发送切换指示，该切换指示用于指示终端将接入频带从主频带切换到从频带（S703）。该方法实现了切换后终端可以得到更优的频带组合、获得更好的CA效果，进而可以得到更大的带宽，提高用户体验。

Description

频带处理方法及装置 技术领域
本发明涉及无线通信技术，尤其涉及一种频带处理方法及装置。
背景技术
随着移动通信与宽带无线接入技术的发展，移动通信业务和宽带无线接入业务互相渗透。为了满足移动通信带宽化的需求并应对宽带通信移动化的挑战，移动通信系统引入载波聚合(Carrier Aggregation，CA)技术。
CA技术通过对多个连续或者非连续的成员载波(Component Carrier，CC)的聚合获得更大的带宽，从而提高系统数据传输速率和系统吞吐量，同时也解决了运营商频谱不连续的问题。
CA技术允许具有CA能力的终端使用聚合的多个载波进行数据传输，在聚合的多个CC中，包含一个主成员载波(Primary Component Carrier，PCC)和至少一个辅成员载波(Secondary Component Carrier，SCC)。对于具有CA能力的终端，其会上报自己的CA能力，以便网络侧根据其CA能力为其选择SCC。
然而，在多频带覆盖的场景下，终端的CA能力往往会受到限制，可能无法实现CA或最优的CA组合。
发明内容
本发明实施例提供一种频带处理方法及装置，以期获得更好的CA效果。
本发明实施例第一方面提供一种频带处理方法，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
基站获取终端的CA能力信息；
所述基站根据所述CA能力信息，确定将所述终端的接入频带从所述主频带切换到所述从频带；
所述基站向所述终端发送切换指示，所述切换指示用于指示所述终端将 接入频带从所述主频带切换到所述从频带。
可选地，所述方法还包括：
所述基站向所述终端发送配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络。
可选地，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
可选地，所述基站根据所述CA能力信息，确定将所述终端的接入频带从所述主频带切换到所述从频带，包括：
所述基站根据所述CA能力信息，获取所述主频带对应的可聚合频带组合、以及所述从频带对应的可聚合频带组合；
所述基站根据所述主频带对应的可聚合频带组合以及所述从频带对应的可聚合频带组合，确定将所述终端的接入频带从所述主频带切换到所述从频带。
其中，基站根据主频带对应的可聚合频带组合以及从频带对应的可聚合频带组合，确定将终端的接入频带从上述主频带切换到从频带，可以是：在从频带对应的可聚合频带组合优于主频带对应的可聚合频带组合时，基站确定将终端的接入频带从上述主频带切换到从频带。
本发明实施例第二方面提供一种频带处理方法，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
所述终端接收基站发送的切换指示，所述切换指示用于指示所述终端将接入频带从所述主频带切换到所述从频带；
所述终端根据所述切换指示将所述接入频带从所述主频带切换到所述从频带。
可选地，所述方法还包括：
所述终端接收所述基站发送的配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
所述终端根据所述配置信息，在下次接入网络时从所述从频带接入。
可选地，所述配置信息包括所述服务小区在主频带的频点的信息及优先 级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
本发明实施例第三方面提供一种频带处理方法，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
基站生成配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
所述基站向终端发送所述配置信息。
可选地，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
本发明实施例第四方面提供一种频带处理方法，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
所述终端接收基站发送的配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
所述终端根据所述配置信息，从所述从频带接入网络。
可选地，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
本发明实施例第五方面提供一种频带处理装置，所述装置包括用于执行上述第一方面以及第一方面的各种实现方式所提供的方法的模块或手段(means)。
本发明实施例第六方面提供一种频带处理装置，所述装置包括用于执行上述第二方面以及第二方面的各种实现方式所提供的方法的模块或手段(means)。
本发明实施例第七方面提供一种频带处理装置，所述装置包括用于执行上述第三方面以及第三方面的各种实现方式所提供的方法的模块或手段(means)。
本发明实施例第八方面提供一种频带处理装置，所述装置包括用于执 行上述第四方面以及第四方面的各种实现方式所提供的方法的模块或手段(means)。
本发明实施例第九方面提供一种频带处理装置，所述装置包括处理器和存储器，存储器用于存储程序，处理器调用存储器存储的程序，以执行本申请第一方面提供的方法。
本发明实施例第十方面提供一种频带处理装置，所述装置包括处理器和存储器，存储器用于存储程序，处理器调用存储器存储的程序，以执行本申请第二方面提供的方法。
本发明实施例第十一方面提供一种频带处理装置，所述装置包括处理器和存储器，存储器用于存储程序，处理器调用存储器存储的程序，以执行本申请第三方面提供的方法。
本发明实施例第十二方面提供一种频带处理装置，所述装置包括处理器和存储器，存储器用于存储程序，处理器调用存储器存储的程序，以执行本申请第四方面提供的方法。
本发明实施例第十三方面提供一种频带处理装置，包括用于执行以上第一方面的方法的至少一个处理元件(或芯片)。
本发明实施例第十四方面提供一种频带处理装置，包括用于执行以上第二方面的方法的至少一个处理元件(或芯片)。
本发明实施例第十五方面提供一种频带处理装置，包括用于执行以上第三方面的方法的至少一个处理元件(或芯片)。
本发明实施例第十六方面提供一种频带处理装置，包括用于执行以上第四方面的方法的至少一个处理元件(或芯片)。
本发明实施例第十七方面提供一种程序，该程序在被处理器执行时用于执行以上第一方面的方法。
本发明实施例第十八方面提供一种程序产品，例如计算机可读存储介质，包括第十七方面的程序。
本发明实施例第十九方面提供一种程序，该程序在被处理器执行时用于执行以上第二方面的方法。
本发明实施例第二十方面提供一种程序产品，例如计算机可读存储介质，包括第十九方面的程序。
本发明实施例第二十一方面提供一种程序，该程序在被处理器执行时用于执行以上第三方面的方法。
本发明实施例第二十二方面提供一种程序产品，例如计算机可读存储介质，包括第二十一方面的程序。
本发明实施例第二十三方面提供一种程序，该程序在被处理器执行时用于执行以上第四方面的方法。
本发明实施例第二十四方面提供一种程序产品，例如计算机可读存储介质，包括第二十三方面的程序。
在以上各个方面中，基站根据终端的CA能力信息，确定将终端的接入频带从主频带切换到从频带，并向终端发送切换指示，以使终端根据切换指示将接入频带从主频带切换到从频带，切换后终端可以得到更优的频带组合、获得更好的CA效果，进而可以得到更大的带宽，提高用户体验。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图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。
图1为一种通信系统的框架图；
图2为一种CA场景的示意图
图3为一种带内连续CA的示意图；
图4为一种带内非连续CA的示意图；
图5为一种带间CA的示意图；
图6为一种频带重叠覆盖的示意图；
图7为本发明实施例提供的一种频带处理方法的流程示意图；
图8为本发明实施例提供的另一种频带处理方法的流程示意图；
图9为本发明实施例提供的一种频带处理装置的结构示意图；
图10为本发明实施例提供的另一种频带处理装置的结构示意图；
图11为本发明实施例提供的另一种频带处理装置的结构示意图；
图12为本发明实施例提供的另一种频带处理装置的结构示意图；
图13为本发明实施例提供的一种基站的结构示意图；
图14为本发明实施例提供的一种终端的结构示意图。
具体实施方式
以下，对本发明实施例中的部分用语进行解释说明，以便于本领域技术人员理解：
基站：又称为无线接入网(Radio Access Network，RAN)设备，是一种将终端接入到无线网络的设备，可以是全球移动通讯(Global System of Mobile communication，简称GSM)或码分多址(Code Division Multiple Access，简称CDMA)中的基站(Base Transceiver Station，简称BTS)，也可以是宽带码分多址(Wideband Code Division Multiple Access，简称WCDMA)中的基站(NodeB，简称NB)，还可以是长期演进(Long Term Evolution，简称LTE)中的演进型基站(Evolutional Node B，简称eNB或eNodeB)，或者中继站或接入点，或者未来5G网络中的基站等，在此并不限定。
终端：可以是无线终端也可以是有线终端，无线终端可以是指向用户提供语音和/或其他业务数据连通性的设备，具有无线连接功能的手持式设备、或连接到无线调制解调器的其他处理设备。无线终端可以经无线接入网(Radio Access Network，简称RAN)与一个或多个核心网进行通信，无线终端可以是移动终端，如移动电话(或称为“蜂窝”电话)和具有移动终端的计算机，例如，可以是便携式、袖珍式、手持式、计算机内置的或者车载的移动装置，它们与无线接入网交换语言和/或数据。例如，个人通信业务(Personal Communication Service，简称PCS)电话、无绳电话、会话发起协议(Session Initiation Protocol，简称SIP)话机、无线本地环路(Wireless Local Loop，简称WLL)站、个人数字助理(Personal Digital Assistant，简称PDA)等设备。无线终端也可以称为系统、订户单元(Subscriber Unit)、订户站(Subscriber Station)，移动站(Mobile Station)、移动台(Mobile)、远程站(Remote Station)、远程终端(Remote Terminal)、接入终端(Access Terminal)、用户终端(User Terminal)、用户代理(User  Agent)、用户设备(User Device or User Equipment)，在此不作限定。
本发明实施例中，“多个”是指两个或两个以上。“和/或”，描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。
图1为一种通信系统的框架图。如图1所示，该通信系统包括核心网(Core Network，CN)和无线接入网(Radio Access Network，RAN)，且CN和RAN之间可以通过承载网(又称为传输网)进行通信。该承载网例如包括光纤、路由器等设备。终端通过基站接入RAN，并通过CN设备实现与外网之间的通信。
图2为一种CA场景的示意图，如图2所示，终端在小区1(Cell 1)接入无线网络，且该终端为支持CA的终端，其可以上报CA能力给Cell 1所在的基站，Cell 1所在的基站可以根据终端上报的CA能力为终端配置Cell 2作为辅小区，共同为终端传输数据。其中，Cell 1为主小区，对应于PCC；Cell2为辅小区，对应于SCC。这是以两个CC为例描述的一种CA场景，实际可以聚会更多CC来为终端提供服务，且根据聚会的CC在频带内的分布情况，CA可以分为带内聚合(Intra-band CA)和带间聚会(Inter-band CA)，Intra-band CA的载波聚合分为连续和非连续的CA。
请参看图3至图5，图3为一种带内连续CA的示意图，如图3所示，同一频带Band 1内的连续的载波1和载波2可以聚合来为终端提供更大的传输带宽；图4为一种带内非连续CA的示意图，如图4所示，同一频带Band 1内非连续的载波1和载波3可以聚合来为终端提供更大的传输带宽；图5为一种带间CA的示意图，如图5所示，不同频带Band 1和Band 2内的载波1和载波2可以聚合来为终端提供更大的传输带宽，上述附图中“f”均指频率。
目前网络中存在频带重叠覆盖的场景，即同一物理频率分布在不同的频带，又称为多频带覆盖的场景。请参考图6，其中频带Ba和频带Bb在频率上具有重叠的区域，频点在该区域内的小区可以被配置多个频带，例如配置频带Ba和频带Bb，其中一个频带为主频带，其它频带为从频带，且该小区在主频带的频点和在从频带的频点不同。例如频带Ba为主频带，频带Bb为从频带，图6中“f”指频率。
目前，终端优先从主频带接入。终端在主频带和从频带的CA能力可能是不同的，例如，以下几种场景：
1)主频带不支持CA，从频带支持CA；
2)主频带支持2CC聚合(简称2CC)，从频带支持3CC聚合(简称3CC)；
3)主频带不支持上行(uplink，简称UL)2CC，从频带支持UL 2CC；
4)主频带不支持不同制式间的聚合，从频带支持不同制式间的聚合。其中，不同制式间的聚合可以有多种情况，例如，频分双工(frequency division duplex，简称FDD)与时分双工(time division duplex，简称TDD)”间的聚合等，在此不作限制。
这种终端在主频带和从频带上CA能力的不同或称为不对称，可能会影响CA的效果，例如主频带Ba不支持CA，而从频带Bb支持CA，终端优先从主频带Ba接入网络，则无法进行CA，从而影响用户体验。再如，主频带Ba支持2CC，从频带Bb支持3CC，终端优先从主频带Ba接入网络，只能进行2CC，CA能力没有达到理想的效果。又如，主频带Ba不支持UL 2CC，从频带Bb支持UL 2CC，终端优先从主频带Ba接入网络，则无法进行UL2CC，CA能力没有达到理想的效果。还例如，主频带Ba不支持不同制式间的聚合，从频带Bb支持不同制式间的聚合，终端优先从主频带Ba接入网络，则无法进行不同制式间的聚合，影响了用户体验。
本发明实施例考虑到这些情况，提出一种频带处理方法，用于使得终端从更合理的频带接入，提高用户体验。
该频带处理方法主要用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被设置了主频带和从频带，且终端在初始状态下从主频带接入网络。
图7为本发明实施例提供的一种频带处理方法的流程示意图，如图7所示，该方法包括：
S701、基站获取终端的CA能力信息。
基站可以从终端获取终端的CA能力信息，也可以从CN获取终端的CA能力信息。例如，终端可以主动向基站上报自己的CA能力信息，也可以在基站需要时向终端查询，终端再上报自己的CA能力信息给基站。当由终端上报CA能力信息时，终端可以通过信元“所支持的频带组合 (supportedBandCombination)”向基站上报自己的CA能力信息；当从CN获取终端的CA能力信息时，可以由CN设备通过终端的上下文带给基站。
S702、基站根据上述CA能力信息，确定该终端的接入频带从主频带切换到从频带。
基站根据终端上报的CA能力信息，可以获知该终端所支持的CA频带组合。此外，基站内存储CA配置和带宽组合集合(CA configurations and bandwidth combination sets)。基站可以据此确定对于该终端，其在主频带上可以支持的CA频带组合，以及其在从频带上可以支持的CA频带组合。对于主频带上终端可以支持的CA频带组合和从频带上终端可以支持的CA频带组合进行比较，哪个可以获得更好的CA效果。如果主频带可以获得更好的CA效果，则不需要切换；如果从频带可以获得更好的CA效果，则确定将终端的接入频带从主频带切换到从频带。以前述几种场景为例，当从频带支持的频带聚合得到的带宽更大，进而确定将终端的接入频带从主频带切换到从频带。
S703、基站向终端发送切换指示，该切换指示用于指示该终端将接入频带从上述主频带切换到上述从频带。
S704、终端接收基站发送的上述切换指示，并根据该切换指示从从频带接入小区。
以上主从频带的切换可以通过小区内切换实现，切换指示可以为无线资源控制连接重配(radio resource control，RRC，connection reconfiguration)消息，该RRC连接重配消息中携带该小区在从频带的频点，以便终端在从频带的频点重新接入小区。进一步的该RRC连接重配消息中还可以携带SCC的信息，以通知终端聚合的SCC。
终端从从频带接入小区之后，基站就可以按照从频带对应的可聚合频带组合进行CA，以得到更大的带宽。
本实施例中，基站根据终端的CA能力信息，确定将终端的接入频带从主频带切换到从频带，并向终端发送切换指示，以使终端根据切换指示将接入频带从主频带切换到从频带，切换后终端可以得到更优的频带组合、获得更好的CA效果，进而可以得到更大的带宽，提高用户体验。
可选地，上述S702之前，基站可以先判断终端的当前接入频带，如果当 前接入的是主频带，就执行S702和S703，如果终端当前本就接入的是从频带，则无需执行S702和S703。
进一步地，基站根据CA能力信息，确定该终端的接入频带从主频带切换到从频带，可以是：基站根据CA能力信息，获取主频带对应的可聚合频带组合以及从频带对应的可聚合频带组合；进而基站根据主频带对应的可聚合频带组合以及从频带对应的可聚合频带组合，可以确定将终端的接入频带从上述主频带切换到从频带。
其中，基站根据主频带对应的可聚合频带组合以及从频带对应的可聚合频带组合，确定将终端的接入频带从上述主频带切换到从频带，可以是：在从频带对应的可聚合频带组合优于主频带对应的可聚合频带组合时，基站确定将终端的接入频带从上述主频带切换到从频带。
需要说明的是，主频带对应的可聚合频带组合即为终端在主频带上可以支持的CA频带组合，从频带对应的可聚合频带组合即为终端在从频带上可以支持的CA频带组合。对于主频带上终端可以支持的CA频带组合和从频带上终端可以支持的CA频带组合进行比较，当从频带上终端可以支持的CA频带组合可以获得的CA效果更佳时，例如可以得到的系统带宽更大，则确定将终端的接入频带从主频带切换到从频带。
从频带对应的可聚合频带组合中可能存在比主频带对应的可聚合频带组合更优选的频带组合，具体地，可以通过可聚合频带组合中频带的个数、多输入多输出(multiple-input multiple-output，简称MIMO)层数、或者上行载波个数等来判断哪个频带组合更优，例如频带个数多的频带组合优于频带少的频带组合、MIMO层数多的频带组合优于MIMO层数少的频带组合、上行载波个数多的频带组合优于上行载波个数少的频带组合等，在此不作限定。
需要说明的是，不同运营商、不同终端、不同应用场景下，主频带、从频带对应的可聚合的频带组合不同，基站根据终端上报的CA能力信息，分析主频带对应的频带组合、以及从频带对应的频带组合，获知哪个频带组合更优，以确定终端是否切换，举例说明：
a)运营商支持主频带、从频带进行CA，但是终端对主频带、从频带的多载波聚合能力支持不同(可参照前述4种应用场景)，假设基站配置的主频带记为Ba，从频带记为Bb，终端支持的可聚合的频带组合包括：Ba+Bc、 Bb+Bc、Bb+Bc+Bd，其中Bc和Bd是主频带、从频带以外的其它频带。
基站根据终端上报的CA能力信息可知，终端如果从主频带Ba接入网络，最大只能有“Ba+Bc”的两频带聚合，但是如果从上述从频带Bb接入网络，最大可以有“Bb+Bc+Bd”的三频带聚合，可以提供更大的带宽，用户体验更好。切换后就可以有“Bb+Bc+Bd”的三频带聚合。
b)终端对主频带、从频带的上下行能力支持不一致，举例说明：假设小区配置的主频带记为Ba，从频带记为Bb，终端支持的可聚合的频带组合包括：Ba+Bc和Bb+Bc，但是“Ba+Bc”只能支持Ba单上行聚合，“Bb+Bc”支持Bb和Bc双上行聚合，终端如果从主频带Ba接入网络，就不可能进行双上行聚合。
切换后就可以有Bb和Bc双上行聚合。
需要说明的是，如果存在多个从频带，基站也可以根据每个从频带对应的可聚合频带组合，来确定将终端的接入频带切换到哪一个从频带。具体地，选择其中包含最优可聚合频带组合的从频带让终端接入。同样，可以通过可聚合频带组合中频带的个数、MIMO层数、或者上行载波个数等来判断哪个可聚合频带组合更优，例如频带个数多的频带组合优于频带少的频带组合、MIMO层数多的频带组合优于MIMO层数少的频带组合、上行载波个数多的频带组合优于上行载波个数少的频带组合等，在此不作限定。
可选地，基站还可以向终端发送频带组合指示，该频带组合指示中可以携带至少1个频带的标识。基站可以根据该频带组合指示进行频带聚合。即基站可以将优选地频带组合告诉终端，终端就根据这个组合进行频带聚合。例如基站在频带组合指示中指示“Bb+Bc+Bd”，终端就可以进行“Bb+Bc+Bd”三频带聚合。
需要说明的是，该频带组合指示和上述切换指示可以携带在同一条消息中，也可以分别携带在不同的消息中，在此不作限制。
请继续参考图7，可选的，基站可以进一步向终端发送配置信息(S705)，通知终端优先从从频带接入小区(或网络)。也就是说改变主从频带的优先级，这样终端在下一次接入时，不需要再进行主从频带的切换，就可以实现与当前选择策略一致的CA。较佳的，可以在终端释放的时候发送给配置信息，例如，通过空闲态移动管理信息(Idle Mode Mobility ControlInfo，简称IMMCI) 发送给配置信息。
在UE释放时，通过在IMMCI信元中配置高优先级的从频带，使得UE在下一次接入时，不需要进行小区内切换，而选择与当前选择策略一致的载波聚合。
关于配置信息的内容，在此不作限制，只要可以通知终端优先从从频带接入小区即可。在一种实现方式中，可以包括该小区在主频带和从频带的频点的信息及优先级，其中该小区在从频带的频点的优先级高于在主频带的频点的优先级。频点的信息可以为频点标识。此外，该配置信息内还可以包括其它频点，可以为该小区在其它频带的频点，也可以为其它小区的频点，在此不作限制。
图8为本发明实施例提供的另一种频带处理方法的流程示意图，如图8所示，该方法包括：
S801、基站向终端发送配置信息，该配置信息用于指示该终端优先从上述从频带接入网络。
S802、终端接收基站发送的上述配置信息。
S803、终端根据上述配置信息，在下次接入网络时从上述从频带接入。
这种方式中，基站会将优选地频带通知给终端，终端可以将优选地频带进行存储，进而在下次接入网络时直接按照存储的优选频带接入，无需在接入后进行切换。
具体实现时，基站可以在终端处于空闲状态时，将上述配置信息携带在释放指示消息中发送给终端。
可选地，在UE释放时，通过在IMMCI信元中配置高优先级的从频带，使得UE在下一次接入时，不需要进行小区内切换，而选择与当前选择策略一致的载波聚合。
关于配置信息的内容，在此不作限制，只要可以通知终端优先从从频带接入小区即可。在一种实现方式中，可以包括该小区在主频带和从频带的频点的信息及优先级，其中该小区在从频带的频点的优先级高于在主频带的频点的优先级。频点的信息可以为频点标识。此外，该配置信息内还可以包括其它频点，可以为该小区在其它频带的频点，也可以为其它小区的频点，在此不作限制。终端收到配置信息后，将小区在主频带和从频带的频点的信息 及优先级进行存储，当下次需要接入网络时，终端根据每个频点对应的优先级信息确定优先级最高的频点，从优先级最高的频点接入。
需要说明的是，图8所示的实施例也可以是独立的实施例，即基站生成上述配置信息，并将配置信息发送给终端。
终端接收到配置信息后，根据配置信息，从上述从频带接入网络。
终端收到配置信息后，可以将配置信息进行存储，如果终端当前已经接入网络，那么可以在下次接入时从上述从频带接入网络；如果终端未接入网络，那么可以在需要接入网络时直接从上述从频带接入网络。
本实施例中，基站将配置信息发送给终端，以指示终端优先从从频带接入网络，这样终端就可以根据配置信息直接从从频带接入网络，从频带对应的可聚合频带组合优于主频带对应的可聚合频带组合，终端从从频带接入网络就可以得到更优的频带聚合，提高用户体验。
当然，也可能主频带对应的可聚合频带组合更优，那么基站可以不向终端发送上述配置信息，终端就会从主频带接入网络。
图9为本发明实施例提供的一种频带处理装置的结构示意图，该装置可以位于基站，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，参见图9，该装置包括：获取模块901、确定模块902和发送模块903，其中：
获取模块901，用于获取终端的CA能力信息。
确定模块902，用于根据所述CA能力信息，确定将所述终端的接入频带从所述主频带切换到所述从频带。
发送模块903，用于向所述终端发送切换指示，所述切换指示用于指示所述终端将接入频带从所述主频带切换到所述从频带。
本实施例中，基站根据终端的CA能力信息，确定将终端的接入频带从主频带切换到从频带，并向终端发送切换指示，以使终端根据切换指示将接入频带从主频带切换到从频带，切换后终端可以得到更优的频带组合、获得更好的CA效果，进而可以得到更大的带宽，提高用户体验。
进一步地，发送模块903，还用于向所述终端发送配置信息，所述配置 信息用于指示所述终端优先从所述从频带接入网络。
其中，所述配置信息包括服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
可选地，确定模块902，具体用于根据所述CA能力信息，获取所述主频带对应的可聚合频带组合、以及所述从频带对应的可聚合频带组合；根据所述主频带对应的可聚合频带组合以及所述从频带对应的可聚合频带组合，确定将所述终端的接入频带从所述主频带切换到所述从频带。
上述装置可用于执行上述方法实施例提供的方法，具体实现方式和技术效果类似，这里不再赘述。
图10为本发明实施例提供的另一种频带处理装置的结构示意图，该装置可以位于终端，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，参加图10，该装置包括：接收模块110和接入模块111，其中：
接收模块110，用于接收基站发送的切换指示，所述切换指示用于指示所述终端将接入频带从所述主频带切换到所述从频带。
接入模块111，用于根据所述切换指示将所述接入频带从所述主频带切换到所述从频带。
可选地，上述接收模块110，还用于接收所述基站发送的配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络。
相应地，接入模块111，根据所述配置信息，在下次接入网络时从所述从频带接入。
可选地，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
上述装置可用于执行上述方法实施例提供的方法，具体实现方式和技术效果类似，这里不再赘述。
图11为本发明实施例提供的另一种频带处理装置的结构示意图，该装置可以位于基站，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，如 图11所示，该装置包括：生成模块112和发送模块113，其中：
生成模块112，用于生成配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络。
发送模块113，用于向终端发送所述配置信息。
本实施例中，基站将配置信息发送给终端，以指示终端优先从从频带接入网络，这样终端就可以根据配置信息直接从从频带接入网络，从频带对应的可聚合频带组合优于主频带对应的可聚合频带组合，终端从从频带接入网络就可以得到更优的频带聚合，提高用户体验。
可选地，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
上述装置可用于执行上述方法实施例提供的方法，具体实现方式和技术效果类似，这里不再赘述。
图12为本发明实施例提供的另一种频带处理装置的结构示意图，该装置可以位于终端，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，如图12所示，该装置包括：接收模块121、接入模块122，其中：
接收模块121，用于接收基站发送的配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络。
接入模块122，用于根据所述配置信息，从所述从频带接入网络。
可选地，所述配置信息所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
上述装置可用于执行上述方法实施例提供的方法，具体实现方式和技术效果类似，这里不再赘述。
需要说明的是，应理解以上基站的各个模块的划分仅仅是一种逻辑功能的划分，实际实现时可以全部或部分集成到一个物理实体上，也可以物理上分开。且这些模块可以全部以软件通过处理元件调用的形式实现；也可以全部以硬件的形式实现；还可以部分模块通过处理元件调用软件的形式实现，部分模块通过硬件的形式实现。例如，确定模块可以为单独设立 的处理元件，也可以集成在上述装置的某一个芯片中实现，此外，也可以以程序代码的形式存储于上述装置的存储器中，由上述装置的某一个处理元件调用并执行以上确定模块的功能。其它模块的实现与之类似。此外这些模块全部或部分可以集成在一起，也可以独立实现。这里所述的处理元件可以是一种集成电路，具有信号的处理能力。在实现过程中，上述方法的各步骤或以上各个模块可以通过处理器元件中的硬件的集成逻辑电路或者软件形式的指令完成。
例如，以上这些模块可以是被配置成实施以上方法的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific Integrated Circuit，ASIC)，或，一个或多个微处理器(digital singnal processor，DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，FPGA)等。再如，当以上某个模块通过处理元件调度程序代码的形式实现时，该处理元件可以是通用处理器，例如中央处理器(Central Processing Unit，简称CPU)或其它可以调用程序代码的处理器。再如，这些模块可以集成在一起，以片上系统(system-on-a-chip，简称SOC)的形式实现。
图13为本发明实施例提供的一种基站的结构示意图，该基站用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络。
参见图13，该装置包括：天线11、射频装置12、基带装置13。天线11与射频装置12连接。在上行方向上，射频装置12通过天线11接收信息，将接收的信息发送给基带装置13进行处理。在下行方向上，基带装置13对要发送的信息进行处理，并发送给射频装置12，射频装置12对收到的信息进行处理后经过天线11发送出去。
上述频带处理装置可以位于基带装置13中，以上实施例提供的方法可以在基带装置13中实现，该基带装置13包括处理元件131和存储元件132。基带装置13例如可以包括至少一个基带板，该基带板上设置有多个芯片，如图13所示，其中一个芯片例如为处理元件131，与存储元件132连接，以调用存储元件132中的程序，执行以上方法实施例中所示的操作。
该基带装置13还可以包括接口133，用于与射频装置12交互信息，该接口例如为通用公共无线接口(common public radio interface，简称 CPRI)。
这里的处理元件可以是一个处理器，也可以是多个处理元件的统称，例如，该处理元件可以是CPU，也可以是ASIC，或者是被配置成实施以上方法的一个或多个集成电路，例如：一个或多个微处理器DSP，或，一个或者多个现场可编程门阵列FPGA等。存储元件可以是一个存储器，也可以是多个存储元件的统称。
图14为本发明实施例提供的一种终端的结构示意图，该终端用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络。
参见图14，该终端包括：处理器141、存储元件142、收发装置143。
其中，收发装置143可以与天线连接。在下行方向上，收发装置143通过天线接收基站发送的信息，并将信息发送给处理器141进行处理；在上行方向上，处理器141对终端的数据进行处理，并通过收发装置143发送给基站。
存储元件142用于存储实现以上方法实施例，或者图10、图12所示实施例各个模块的程序代码，处理器141调用该程序代码，执行以上方法实施例的操作，以实现图10、图12所示实施例各个模块。
或者，以上各个单元的部分或全部也可以通过现场可编程门阵列(Field Programmable Gate Array，简称FPGA)的形式内嵌于该终端的某一个芯片上来实现。且它们可以单独实现，也可以集成在一起。
这里的处理元件同以上描述，可以是通用处理器，例如CPU，还可以是被配置成实施以上方法的一个或多个集成电路，例如：一个或多个特定集成电路(Application Specific Integrated Circuit，简称ASIC)，或，一个或多个微处理器(digital singnal processor，简称DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，简称FPGA)等。存储元件可以是一个存储装置，也可以是多个存储元件的统称。
另外，该处理器上可以设置多个接口，分别用于连接外围设备或与外围设备连接的接口电路。例如，用于连接显示屏的接口，用于连接摄像头的接口，用于连接音频处理元件的接口等。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对 其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (16)

  1. 一种频带处理方法，其特征在于，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
    基站获取终端的载波聚合CA能力信息；
    所述基站根据所述CA能力信息，确定将所述终端的接入频带从所述主频带切换到所述从频带；
    所述基站向所述终端发送切换指示，所述切换指示用于指示所述终端将接入频带从所述主频带切换到所述从频带。
  2. 根据权利要求1所述的方法，其特征在于，所述方法还包括：
    所述基站向所述终端发送配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络。
  3. 根据权利要求2所述的方法，其特征在于，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
  4. 根据权利要求1所述的方法，其特征在于，所述基站根据所述CA能力信息，确定将所述终端的接入频带从所述主频带切换到所述从频带，包括：
    所述基站根据所述CA能力信息，获取所述主频带对应的可聚合频带组合、以及所述从频带对应的可聚合频带组合；
    所述基站根据所述主频带对应的可聚合频带组合以及所述从频带对应的可聚合频带组合，确定将所述终端的接入频带从所述主频带切换到所述从频带。
  5. 一种频带处理方法，其特征在于，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
    基站生成配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
    所述基站向终端发送所述配置信息。
  6. 根据权利要求5所述的方法，其特征在于，所述配置信息包括所述服 务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
  7. 一种频带处理方法，其特征在于，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述方法包括：
    所述终端接收基站发送的配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
    所述终端根据所述配置信息，从所述从频带接入网络。
  8. 根据权利要求7所述的方法，其特征在于，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
  9. 一种频带处理装置，其特征在于，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述装置包括：
    获取模块，用于获取终端的载波聚合CA能力信息；
    确定模块，用于根据所述CA能力信息，确定将所述终端的接入频带从所述主频带切换到所述从频带；
    发送模块，用于向所述终端发送切换指示，所述切换指示用于指示所述终端将接入频带从所述主频带切换到所述从频带。
  10. 根据权利要求9所述的装置，其特征在于，所述发送模块，还用于向所述终端发送配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络。
  11. 根据权利要求10所述的装置，其特征在于，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
  12. 根据权利要求9所述的装置，其特征在于，所述确定模块，具体用于根据所述CA能力信息，获取所述主频带对应的可聚合频带组合、以及所 述从频带对应的可聚合频带组合；根据所述主频带对应的可聚合频带组合以及所述从频带对应的可聚合频带组合，确定将所述终端的接入频带从所述主频带切换到所述从频带。
  13. 一种频带处理装置，其特征在于，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述装置包括：
    生成模块，用于生成配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
    发送模块，用于向终端发送所述配置信息。
  14. 根据权利要求13所述的装置，其特征在于，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
  15. 一种频带处理装置，其特征在于，用于频带重叠覆盖的通信系统中，该通信系统中，终端的服务小区被配置主频带和从频带，且所述终端初始从所述主频带接入网络，所述装置包括：
    接收模块，用于接收基站发送的配置信息，所述配置信息用于指示所述终端优先从所述从频带接入网络；
    接入模块，用于根据所述配置信息，从所述从频带接入网络。
  16. 根据权利要求15所述的装置，其特征在于，所述配置信息包括所述服务小区在主频带的频点的信息及优先级，和所述服务小区在从频带的频点的信息及优先级，其中所述服务小区在从频带的频点的优先级高于所述服务小区在主频带的频点的优先级。
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