WO2014169872A1 - 一种辅助多模终端发现通信机会的方法、系统及设备 - Google Patents

一种辅助多模终端发现通信机会的方法、系统及设备 Download PDF

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Publication number
WO2014169872A1
WO2014169872A1 PCT/CN2014/077706 CN2014077706W WO2014169872A1 WO 2014169872 A1 WO2014169872 A1 WO 2014169872A1 CN 2014077706 W CN2014077706 W CN 2014077706W WO 2014169872 A1 WO2014169872 A1 WO 2014169872A1
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WO
WIPO (PCT)
Prior art keywords
mode
base station
communication
communication mode
information
Prior art date
Application number
PCT/CN2014/077706
Other languages
English (en)
French (fr)
Inventor
谢峰
戴博
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP14785321.2A priority Critical patent/EP3032879A4/en
Priority to JP2016532213A priority patent/JP6190063B2/ja
Priority to US14/909,977 priority patent/US10051557B2/en
Publication of WO2014169872A1 publication Critical patent/WO2014169872A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • 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
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of mobile communications, and in particular, to a method, system and device for assisting a multimode terminal to discover a communication opportunity. Background technique
  • a base station with a large coverage which is usually called a macro base station (Macro eNB or Macro BS, Macro Base). Station), commonly referred to as a macro cell its serving cell (macro cell) 0
  • TP Transmission Point
  • the small base station or the transmitting node may be a micro base station (Pico eNB or Pico BS) or a child base station (Femto eNB or Femto BS); wherein the child base station may also be referred to as a home base station (HNB or HeNB), a femto base station or a femto base station.
  • the cells provided by the micro base station and the home base station are called a pico cell and a femtocell.
  • a node corresponding to a small base station is also called a low power node (LPN), and a cell corresponding to these nodes is also called a small cell.
  • LPN low power node
  • Wireless cellular communication systems have evolved into a variety of formats, such as the Global System for Mobile Communications (GSM) and Code Division Multiple Access (CDMA) in the second generation of mobile communication technologies.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • CDMA-2000 third-generation mobile communication technologies
  • Wimax Worldwide Interoperability for Microwave Access
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced Advanced Long Term Evolution
  • Wimax 2.0 Wimax 2.0.
  • Some technologies have corresponding access network names, such as GSM corresponding to GSM/EDGE radio access network (GERAN, GSM EDGE Radio Access Network), WCDMA and TD-SCDMA corresponding to universal mobile communication system terrestrial radio access network (UTRAN).
  • GSM Global System for Mobile Communications
  • GERAN GSM/EDGE radio access network
  • WCDMA Wideband Code Division Multiple Access
  • TD-SCDMA Universal Mobile communication system terrestrial radio access network
  • UTRAN Universal Mobile communication system terrestrial radio access network
  • UMTS Terrestrial Radio Access Network UMTS Terrestrial Radio Access Network
  • LTE/LTE-A Corresponding evolved UTRAN E-UT AN
  • the wireless communication system further includes a Wireless Local Access Network (WLAN).
  • WLAN Wireless Local Access Network
  • the deployment and application of the wireless access point can provide operators and users with an inexpensive wireless access and A path of load shunting, wherein the AP can also be regarded as a low power node.
  • wireless communication technologies are being developed to the fifth generation (5G), and various wireless communication technologies (including 5G wireless communication technologies and existing wireless communication technologies) may coexist for a long time.
  • 5G wireless communication technologies including 5G wireless communication technologies and existing wireless communication technologies
  • multi-mode terminals operators have the opportunity to select the most suitable AP or serving base station for multi-mode terminals, while improving user throughput. Optimization of network load balancing and resource utilization.
  • WIFI communication such as Internet downloading
  • WIFI access Open the web page or download the data in the place where you enter the service.
  • WIFI communication module since the WIFI communication module is turned on to measure whether there is an AP that can be accessed in real time, it also brings high power consumption. Summary of the invention
  • an object of embodiments of the present invention is to provide an auxiliary multimode terminal to discover communication opportunities. Methods, systems and equipment.
  • An embodiment of the present invention provides a method for assisting a multimode terminal to discover a communication opportunity, the method comprising: receiving, by a multimode terminal, coverage indication information related to a second communication mode sent by a network side; The indication information is overwritten and a communication opportunity based on the second communication mode is found.
  • the multimode terminal receives the coverage indication information related to the second communication mode sent by the network side, and the method includes: the multimode terminal receiving the first communication mode and the second communication mode of the multimode base station sent by the serving base station Coverage indication information for total coverage.
  • the method further includes: the multimode terminal measuring the first communication mode signal of the multimode base station.
  • the first communication mode is: a current working carrier frequency or a standard of the multimode terminal;
  • the first communication mode signal includes but is not limited to: a synchronization signal, a discovery signal, a reference signal, and a beacon;
  • the second communication mode is: one or more carrier frequencies and/or one or more modes in addition to the first communication mode.
  • the coverage indication information that is common to the first communication mode and the second communication mode of the multimode base station is:
  • Information of multiple carrier frequencies and/or multiple cells or access points of a multimode base station including base station identification, and/or geographic location identification information, and/or coverage information;
  • two or more co-sites or a common carrier frequency and/or system of the same carrier may be used.
  • the coverage indication information further indicates a received signal power correction value
  • the finding is based on the communication opportunity of the second communication mode, and includes: the multimode terminal using the correction value and the first communication mode signal measurement result to determine whether communication can be performed based on the second communication mode.
  • the discovering the communication opportunity based on the second communication mode includes:
  • the multimode terminal measures the second communication mode signal according to the first communication mode signal measurement result of the multimode base station to determine whether communication can be performed based on the second communication mode; Or the multi-mode terminal reports the measurement result to the serving base station, where the serving base station configures the second communication mode signal measurement for the multi-mode terminal according to the measurement result, and/or the serving base station switches/redirects the multiple Transmitting the terminal to the second communication mode, and/or the network side uses the first and second communication modes to perform joint transmission with the multimode terminal;
  • the multi-mode terminal sends a message to the serving base station, where the serving base station configures the measurement of the second communication mode for the multi-mode terminal according to the message, and/or the serving base station determines, according to the message, whether to the multi-mode
  • the multimode terminal automatically selects to use the second communication mode for communication
  • the multimode terminal prompts the user that the second communication mode of the multimode base station is serviceable, and uses the second communication mode to perform communication according to the user manual selection result.
  • the method before the multimode terminal receives the coverage indication information that is common to the first communication mode and the second communication mode of the multimode base station sent by the serving base station, the method further includes:
  • the serving base station obtains information that the neighboring base station is a multi-mode base station, or obtains information of a plurality of adjacent stations co-station or common coverage by pre-configuration, or through a network management system, or through an inter-base station interface.
  • the coverage indication information related to the second communication mode includes: coverage ratio.
  • the coverage is used to assist the multi-mode terminal or the user to perform subsequent determination;
  • the method for determining includes at least one of the following:
  • the multimode terminal determines whether to initiate scanning/measurement of the second communication mode signal according to the coverage ratio; the multimode terminal determines the period/frequency of scanning/measurement of the second communication mode signal according to the coverage ratio, and/or determines Summing the continuous judgment time of the second communication mode service area;
  • the multimode terminal provides coverage to the user so that the user can decide whether to initiate a communication module of a particular system or mode.
  • the coverage indication information related to the second communication mode includes: cell or cell set information; or, carrier frequency information; or frequency band information, carrier frequency information, and cell of a specific system/mode Information, service set information, operational network information.
  • the coverage indication information related to the second communication mode further includes at least one of the following: measurement evaluation parameter information, load information, capability information, and energy saving status information.
  • the multimode terminal discovers the communication opportunity based on the second communication mode according to the coverage indication information, and includes:
  • the coverage indication information is associated with the serving cell of the multimode terminal by default, and the multimode terminal discovers the service area of the second communication mode;
  • the multimode terminal if the multimode terminal discovers a cell in the coverage indication information or a cell in a cell set, the multimode terminal discovers a service area of the second communication mode;
  • the multimode terminal finds the carrier frequency indicated in the coverage indication information, the multimode terminal discovers the service area of the second communication mode;
  • the multimode terminal determines whether to find the service area of the second communication mode based on the measurement evaluation parameter information.
  • the multimode terminal determines whether the second communication mode can be performed according to the frequency information of the specific standard/mode, the carrier frequency information, the cell information, the service set information, the operation network information, the load information, the capability information, and the energy saving state information. Communication.
  • the second communication mode includes at least one of the following: WIFI, IMT-2020 communication system, high frequency communication carrier frequency/standard, FDD communication mode, TDD communication mode.
  • the present invention also provides a multimode terminal, where the multimode terminal includes: a transceiver module and an operation module;
  • a transceiver module configured to receive coverage indication information related to the second communication mode
  • an operation module configured to discover, according to the coverage indication information received by the transceiver module, a communication opportunity based on the second communication mode.
  • the transceiver module is specifically configured to receive coverage indication information that is common to the first communication mode and the second communication mode of the multimode base station sent by the serving base station.
  • the multimode terminal further includes: a measurement module, configured to measure a first communication mode signal of the multimode base station; and correspondingly, the operation module is further configured to receive the first pass obtained by the measurement module The measurement result of the letter mode.
  • the first communication mode is: a carrier frequency or a standard signal that is the same as the current working carrier frequency or standard of the multimode terminal; wherein the signal includes but is not limited to: a synchronization signal, a discovery signal, and a reference. Signal, beacon;
  • the second communication mode is: one or more carrier frequencies and/or one or more modes in addition to the first communication mode.
  • the coverage indication information that is common to the first communication mode and the second communication mode of the multimode base station is:
  • Information of multiple carrier frequencies and/or multiple cells or access points of a multimode base station including base station identification, and/or geographic location identification information, and/or coverage information;
  • two or more co-sites or a common carrier frequency and/or system of the same carrier may be used.
  • the operation module is specifically configured to use the combination of the modified value and the measured received signal power to determine whether to communicate with the multi-mode base station through a second communication mode of the multi-mode base station.
  • the operation module is specifically configured to: according to the first communication mode signal measurement result of the multimode base station, measure the second communication mode signal to determine whether the communication can be performed based on the second communication mode. ;
  • the multi-mode terminal reports the measurement result to the serving base station, where the serving base station configures the second communication mode signal measurement for the multi-mode terminal according to the measurement result, and/or the serving base station switches/redirects the multiple Transmitting the terminal to the second communication mode, and/or the network side uses the first and second communication modes to perform joint transmission with the multimode terminal;
  • the multi-mode terminal sends a message to the serving base station, where the serving base station configures the measurement of the second communication mode for the multi-mode terminal according to the message, and/or the serving base station determines, according to the message, whether to the multi-mode
  • the multimode terminal prompts the user that the second communication mode of the multimode base station is serviceable, and uses the second communication mode to perform communication according to the user manual selection result.
  • the operation module is specifically configured to: before receiving the coverage indication information that is common to the first communication mode and the second communication mode of the multi-mode base station sent by the serving base station, the serving base station is pre-configured or through the network management
  • the system obtains information of the neighboring base station as a multi-mode base station or obtains information of a plurality of neighboring stations co-station or common coverage by using the inter-base station interface.
  • the coverage indication information includes: coverage ratio.
  • the operation module is specifically configured to perform subsequent determination according to the coverage ratio; and the method for determining includes at least one of the following:
  • the coverage is provided to the user so that the user can decide whether to initiate a communication module of a particular system or mode.
  • the coverage indication information includes: cell or cell aggregation information; or, carrier frequency information; or frequency band information, carrier frequency information, cell information, service set information, and operation network information of a specific system/mode.
  • the coverage indication information related to the second communication mode further includes at least one of the following: measurement evaluation parameter information, load information, capability information, and energy saving status information.
  • the processing module is specifically configured to: the coverage indication information is associated with a serving cell by default, and the multimode terminal discovers a service area of the second communication mode;
  • the service area of the second communication mode is found
  • the service area of the second communication mode is found
  • the processing module is specifically configured to use frequency band information according to a specific standard/mode, and The frequency information, the cell information, the service set information, the operation network information, the load information, the capability information, and the energy saving state information determine whether the communication can be performed based on the second communication mode.
  • the second communication mode includes at least one of the following: WIFI, IMT-2020 communication system, high frequency communication carrier frequency/standard, FDD communication mode, TDD communication mode.
  • the present invention further provides a base station, where the base station includes: a sending module, configured to send coverage indication information related to the second communication mode.
  • the sending module is specifically configured to send coverage indication information that is common to the first communication mode and the second communication mode of the multimode base station; or to send the coverage of the second communication mode.
  • the present invention also provides a system for assisting a multimode terminal to discover a communication opportunity, the system comprising: a multimode terminal and a serving base station;
  • the multimode terminal is the multimode terminal described in the foregoing solution.
  • the serving base station is the base station described in the above solution.
  • the method, system and device for the auxiliary multi-mode terminal to discover the communication opportunity provided by the embodiment of the present invention enable the multi-mode terminal to receive the coverage indication information sent by the serving base station; the multi-mode terminal discovers the communication according to the coverage indication information opportunity.
  • the problem that the subsequent communication operation needs to be completed by the multi-frequency or multi-standard measurement in the prior art is avoided, and the subsequent operation is directly determined according to the common coverage indication information, thereby reducing the power consumption.
  • it can help the terminal to find communication opportunities with higher priority or lower rate more effectively, thereby further reducing power consumption.
  • FIG. 1 is a schematic flowchart 1 of a method for assisting a multimode terminal to discover a communication opportunity according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart 2 of a method for assisting a multimode terminal to discover a communication opportunity according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of an auxiliary multimode according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of a system for assisting a multi-mode terminal to discover a communication opportunity according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a heterogeneous network in which a multi-mode base station exists in the first embodiment and the second embodiment;
  • FIG. 6 is a schematic diagram of coverage of two communication modes of a multimode small base station in Embodiment 1 and Embodiment 2;
  • FIG. 7 is a flow chart of communication opportunities between a UE and a second communication mode of a multimode base station in Embodiment 1 Figure
  • Figure 8 is a schematic structural diagram 1 of the system structure in the third embodiment
  • Figure 9 is a second schematic diagram of the system structure in the third embodiment.
  • Figure 10 is a schematic structural diagram 3 of the system structure in the third embodiment.
  • Figure 11 is a fourth structural diagram of the system in the third embodiment.
  • Figure 12 is a schematic structural diagram 5 of the system structure in the third embodiment.
  • FIG. 13 is a schematic diagram 6 showing the structure of the system in the third embodiment. detailed description
  • the basic idea of the embodiment of the present invention is that the multimode terminal receives the coverage indication information related to the second communication mode sent by the network side, and the multimode terminal finds the communication opportunity based on the second communication mode according to the coverage indication information. .
  • a method for assisting a multimode terminal to discover a communication opportunity includes the following steps:
  • Step 101 The multimode terminal receives the coverage indication information related to the second communication mode sent by the network side.
  • the coverage indication information is: information indicating that the first communication mode of the multi-mode base station is shared with the second communication mode; or coverage information indicating a low-rate communication system.
  • the network side may be a serving base station.
  • Step 102 The multimode terminal discovers a communication opportunity based on the second communication mode according to the coverage indication information.
  • the communication opportunity based on the second communication mode may be: determining whether to communicate with a corresponding base station or an access point.
  • Step 201 The multimode terminal measures a first communication mode of the multimode base station.
  • the first communication mode is a carrier frequency or a standard signal that is the same as the current working carrier frequency or system of the multimode terminal.
  • the signals include, but are not limited to: a synchronization signal, a discovery signal, a reference signal, a beacon.
  • Step 202 The multimode terminal receives coverage indication information of a common coverage of the first communication mode and the second communication mode of the multimode base station.
  • the coverage indication information is indirectly indicated by the information of the first communication mode and the second communication mode of the multi-mode base station, or the information of the access point, where the information of the cell or the access point includes at least the following Identification of one of the base stations, geographical location information, coverage information;
  • the first communication mode and the second communication mode of the multimode base station are jointly or collectively indicated by the identity range of the co-site or the co-covered cell/access point;
  • the first communication mode and the second communication mode of the multimode base station are jointly or collectively indicated by the capability information of the cell/access point.
  • the communication priority of the second communication mode is higher than the first communication mode.
  • the method further includes: the serving base station is pre-configured, or through the network management system, Or, through the inter-base station interface, obtaining information of the neighboring base station as a multi-mode base station, or obtaining information of a plurality of adjacent stations co-station or common coverage.
  • Step 203 The multimode terminal determines, according to the indication information, whether to communicate with the multimode base station.
  • the multimode terminal receives information for indicating a received signal power correction value, and the multimode terminal uses the modified value and the measured received signal power to determine whether to prepare for the second communication mode with the multimode base station. Communication operation
  • the multimode terminal selects the second communication mode according to the first communication mode measurement result of the multimode base station, performs measurement on the second communication mode, and/or performs standard, and/or carrier frequency, and/or cell weight Selecting, and/or switching or redirecting, and/or establishing a connection;
  • the multi-mode terminal reports the measurement result to the serving base station, where the serving base station is configured according to the measurement Configuring a second communication mode measurement for the multimode terminal, and/or the serving base station switches/redirects the multimode terminal to the second communication mode, and/or the serving base station uses the first and second communication modes and
  • the multimode terminal performs joint transmission;
  • the multi-mode terminal sends a message to the serving base station, where the serving base station configures the measurement of the second communication mode for the multi-mode terminal according to the message, and/or the serving base station determines, according to the message, whether to the multi-mode
  • the base station that is sent by the terminal sends a message, where the message sent by the multimode terminal to the serving base station includes at least one of the following: indication information of a service range close to the second communication mode, and a measurement result of the first communication mode, the estimated The measurement result of the cell of the second communication mode;
  • the multimode terminal automatically selects to use the second communication mode for communication
  • the multimode terminal prompts the user that the second communication mode of the multimode base station is serviceable, and uses the second communication mode to perform communication according to the user manual selection result.
  • the multimode terminal activates a second communication mode of the multimode base station by using the current serving base station.
  • the method further includes: comparing, by the multimode terminal, the measurement result of the first communication mode and the measurement result of the second communication mode to the current serving base station Or the network side reports the comparison result to achieve automatic update of the co-site indication information and/or the correction value.
  • the method for the auxiliary multi-mode terminal to discover the communication opportunity provided by the embodiment of the present invention includes:
  • Step 301 The multimode terminal receives the coverage indication information of the second communication mode sent by the serving base station.
  • the second communication mode may be a low rate communication system.
  • Step 302 The multimode terminal determines, according to the coverage indication information, whether to access a service area of the second communication mode of the multimode base station or the access point.
  • the coverage indication information includes: coverage ratio.
  • the coverage is used to assist the multimode terminal or the user to perform subsequent judgments;
  • the method of determining includes at least one of the following:
  • the multimode terminal determines whether to initiate scanning/measurement of the second communication mode signal according to the coverage ratio; the multimode terminal determines the period/frequency of scanning/measurement of the second communication mode signal according to the coverage ratio, and/or determines Summing the continuous judgment time of the second communication mode service area;
  • the multimode terminal provides coverage to the user so that the user can decide whether to initiate a communication module of a particular system or mode.
  • the coverage indication information may further include: cell or cell set information; or, carrier frequency information; or, measurement and evaluation parameter information; or frequency band information, carrier frequency information, cell information, and service set of a specific system/mode Information, operational network information, load information, capability information, energy saving status information.
  • the multimode terminal discovers the service area of the low-rate communication system according to the coverage indication information, including: the coverage indication information is associated with a serving cell of a multi-mode terminal by default, and the multi-mode terminal discovers a service area of the second communication mode;
  • the multimode terminal if the multimode terminal discovers a cell in the coverage indication information or a cell in a cell set, the multimode terminal discovers a service area of the second communication mode;
  • the multimode terminal finds the carrier frequency indicated in the coverage indication information, the multimode terminal discovers the service area of the second communication mode;
  • the multimode terminal determines whether to find the service area of the second communication mode based on the measurement evaluation parameter information.
  • the multimode terminal determines whether communication can be performed based on the second communication mode according to the frequency band information, carrier frequency information, cell information, service set information, operation network information, load information, capability information, and energy saving state information of the specific system/mode.
  • the second communication mode comprises at least one of the following: WIFI, IMT-2020 communication system, FDD communication mode, TDD communication mode.
  • an embodiment of the present invention provides a system for assisting a multi-mode terminal to discover a communication opportunity, where the system includes: a multi-mode terminal 41 and a base station 42;
  • the multimode terminal 41 is configured to receive coverage indication information related to the second communication mode sent by the network side;
  • the base station 42 is configured to transmit coverage indication information related to the second communication mode to the multimode terminal 41.
  • the multimode terminal 41 includes: a transceiver module 411 and an operation module 412;
  • the transceiver module 411 is configured to send the received coverage indication information related to the second communication mode to the operation module;
  • the operation module 412 is configured to discover a communication opportunity based on the second communication mode according to the coverage indication information sent by the transceiver module.
  • the transceiver module 411 is configured to receive coverage indication information that is common to the first communication mode and the second communication mode of the multimode base station sent by the serving base station.
  • the operation module 412 is configured to measure a first communication mode signal of the multimode base station.
  • the first communication mode is: a first carrier frequency of the multimode base station or a signal of a first mode; wherein, the signal of the first mode includes but is not limited to: a synchronization signal, a discovery signal, a reference signal, Beacon.
  • the multi-mode terminal 41 further includes: a measurement module 413 configured to measure a first communication mode of the multi-mode base station by the multi-mode terminal; correspondingly, the operation module 412 is configured to receive the measurement of the first communication mode acquired by the measurement module result.
  • the coverage indication information is: information of multiple carrier frequencies and/or multiple cells or access points of the multimode base station, including base station identification and/or geographic location (identification) information and/or coverage information;
  • two or more co-sites or a common carrier frequency and/or system of the same carrier are co-sites or a common carrier frequency and/or system of the same carrier.
  • the communication priority of the second communication mode is higher than the first communication mode.
  • the operation module 412 is configured to measure the second communication mode signal according to a first communication mode signal measurement result of the multimode base station to determine whether communication can be performed based on the second communication mode;
  • the serving base station configures the second communication mode signal measurement for the multimode terminal according to the measurement result, and/or the serving base station switches/redirects the second communication mode, and/or
  • the network side uses the first and second communication modes for joint transmission
  • the message includes at least one of: an indication information of a service range close to the second communication mode, a measurement result of the first communication mode signal, and a measurement result of the estimated signal of the second communication mode;
  • the second communication mode of the multimode base station is prompted to be serviced by the user, and the second communication mode is used for communication according to the result of the user manual selection.
  • the operation module 412 is configured to receive the coverage indication information that is common to the first communication mode and the second communication mode of the multi-mode base station sent by the serving base station, where the serving base station is pre-configured, or passes through the network management system, or passes
  • the inter-base station interface obtains information that the neighboring base station is a multi-mode base station, or obtains information of a plurality of adjacent cells co-station or common coverage.
  • the operation module 412 is configured to compare the measurement result of the first communication mode with the measurement result of the second communication mode, and report the comparison result.
  • the operation module 412 is configured to activate the second communication mode of the multi-mode base station by itself if the second communication mode is in the power-saving state, or activate the second communication mode of the multi-mode base station by the current serving base station.
  • the operation module 412 is configured to calculate a measurement result of a cell of a second communication mode of the multimode base station based on a measurement result of a cell of a first communication mode of the multimode base station; and the measurement result and the multiple Combining the results of actual measurements of the second communication mode of the modulo base station; According to the comparison between the estimated measurement result and the actual measurement result, when the difference between the two is greater than the correction value, the report is sent to the network side; wherein the report includes: the difference between the two, or the suggested correction value, or the correction The adjustment factor for the value, or just to report an exception.
  • the transceiver module can be implemented by hardware configurations such as an antenna and a DSP; the operation module and the measurement module can be implemented by hardware such as DSP.
  • the base station 42 includes: a sending module 421 configured to send coverage indication information related to the second communication mode.
  • the sending module 421 is configured to receive the coverage indication information of the low-rate communication system, and the processing module is configured to discover the service area of the low-rate communication system according to the coverage indication information received by the transceiver module.
  • the coverage indication information includes: coverage rate; or, cell or cell aggregation information; or, carrier frequency information; or measurement evaluation parameter information; or frequency band information, carrier frequency information, cell information of a specific standard/mode , service set information, operational network information, load information, capability information, energy saving status information.
  • the operation module is configured to perform subsequent determination according to the coverage ratio
  • the method of determining includes at least one of the following:
  • the coverage is provided to the user so that the user can decide whether to initiate a communication module of a particular system or mode.
  • the processing module is specifically configured to associate the coverage indication information with a serving cell of the multimode terminal, and the multimode terminal discovers a service area of the low rate communication system;
  • the multimode terminal discovers a service area of the low rate communication system
  • the multimode terminal discovers a service area of the low rate communication system
  • determining whether a service area of a low-rate communication system is found Alternatively, according to frequency band information, carrier frequency information, cell information, service set information, operation network information, load information, capability information, and energy saving state information of a specific system/mode, it is determined whether the system/mode can be accessed.
  • the low-rate communication system includes at least one of the following: WIFI, IMT-2020 communication system, high-band communication carrier frequency/standard, FDD communication mode, TDD communication mode.
  • the base station includes: a transceiver module, configured to send coverage indication information of a low-rate communication system.
  • Embodiment 1
  • multimode small base stations may support LTE (including FDD-LTE and/or TDD-LTE) and WLAN (may also support second, third, and/or fifth) Generation of wireless communication technology).
  • LTE including FDD-LTE and/or TDD-LTE
  • WLAN may also support second, third, and/or fifth Generation of wireless communication technology.
  • the coverage of different standards is affected by the characteristics of the system itself (such as the characteristics of the pilot/synchronization signal/reference signal/preamble, control channel, etc. signal and channel), and also by the carrier frequency/frequency band used by various standards (for example) 800Mhz, 1.8Ghz, 2.4GHz, 3.5Ghz, 5Ghz, 45GHz, etc.), the surrounding environment and the impact of the cell's transmit power.
  • the path loss is proportional to the logarithm of the carrier frequency.
  • the higher the carrier frequency/frequency band the larger the path loss caused by the wireless signal passing through the same spatial propagation path, which means that the coverage is worse or the same transmission power.
  • the two carrier frequencies belonging to the same frequency band or the two adjacent carrier frequencies usually have less difference in path loss, so their coverage is almost the same (when the transmission power of the two carrier frequencies is the same).
  • Multimode small base stations are limited by physical size. Usually, different carrier/different antennas are shared, or the spacing between different carrier/different antennas is very small. Similarly, multimode terminals are also the same. In this way, the first communication mode of the multimode small base station and the multimode terminal (for example, LTE 2.3 GHz) and the second communication mode (for example, WLAN 2.4Ghz, or the second generation, the third generation, and the fifth generation wireless communication system) are transmitted.
  • the distance is approximately equal, and the transmission environment (for example, the indoor environment) is also basically the same, and the coverage of the two communication modes is mainly affected by the carrier frequency, the transmission power, and the antenna gain (including the antenna gain at the base station and the terminal). Antenna gain) and the effects of the respective signal/channel characteristics.
  • co-site For a given two modes of communication, carrier frequency, transmit power, antenna gain, signal/channel characteristics, common antenna, or quasi-co-site, quasi-common antenna, or measurement/discovery convertible, equivalent co-site (total Stations or quasi-common stations can be considered as a case of total coverage or quasi-common coverage).
  • the transmission node (multimode small base station) and the co-site receiving node (multimode terminal) use the similarity of the coverage of the two communication modes (for example, a circle of the same radius or a different radius centered on the multimode small base station). This means that the coverage of another communication mode can be inferred by coverage of one communication mode.
  • the terminal When the terminal enters the LTE 2.3 GHz coverage of the multimode small base station, it can also approximate the coverage of the WLAN 2.4 GHz (and/or other communication standard and/or communication carrier frequency) of the terminal entering the multimode small base station. . In this way, WLAN 2.3GHz (and/or other) between the multimode terminal and the multimode small base station can be found without avoiding or minimizing WLAN scanning/measurement (and/or other communication formats and/or communication carrier frequencies). Communication system / communication carrier frequency) opportunities to communicate.
  • a flowchart of the communication opportunity of the multimode terminal to discover the second communication mode of the multimode base station includes the following steps:
  • Step 701 The multimode terminal measures the carrier frequency of the multimode base station.
  • Step 702 The multimode terminal receives the indication information of the multimode base station carrier frequency 1 and the carrier frequency 2 common station.
  • Step 703 The multimode terminal prepares a communication operation with the carrier frequency 2 of the multimode base station.
  • the multimode terminal when the multimode terminal is located in the coverage of the multimode base station in step 701, and is in the Idle state or the connected state, the multimode terminal (for example, LTE and WLAN dual mode, TDD-LTE/FDD) - LTE and WLAN trimode, LTE/WLAN and 5G trimode;), in the service area of the LTE carrier 1 of the multimode base station:
  • the multimode terminal measuring the multimode base station carrier frequency 1 includes: the multimode terminal measuring the multimode base station a signal of the LTE carrier frequency 1; wherein the signal comprises: a synchronization signal of the cell (eg, a primary synchronization signal PSS, a secondary synchronization signal SSS, a preamble preamble) and/or a discovery signal (DS, Discovery Signal); and/or a reference signal (eg cell level reference signal CRS, channel state information reference signal CSI-RS, demodulation reference signal DM S, positioning reference signal PRS), and/or beacon (eg WLAN beacon).
  • a synchronization signal of the cell eg, a primary synchronization signal PSS, a secondary synchronization signal SSS, a preamble preamble
  • DS Discovery Signal
  • a reference signal eg cell level reference signal CRS, channel state information reference signal CSI-RS, demodulation reference signal DM S, positioning reference signal PRS
  • beacon eg WLAN beacon
  • the DS may be sent by a multimode base station; the multimode base station does not provide a data transmission service on carrier frequency 1, provides normal service on carrier frequency 2/system 2, and the multimode base station is on carrier frequency 1.
  • Carrier frequency 2/system 2 can be in a power-saving state when DS is sent.
  • the reference signal received power RSRP is obtained for the CRS measurement, or the CSI-RSRP is measured for the CSI-RS, or the RSSI is measured for the WLAN beacon.
  • the indication information that the multimode terminal receives the multi-mode base station carrier frequency 1 and the carrier frequency 2 common station may be: the multi-mode terminal receives a system message sent by the serving cell through the cell corresponding to the LTE carrier frequency 1 (ie, the local cell) ( Or common channel);
  • the system message includes: a common channel indicating a carrier frequency and/or a standard of a co-station or a co-covered cell/access point, for example, carrier frequency information of the E-UTRAN (represented by an E-UTRAN absolute carrier number EARFCN) ), WLAN and optional carrier frequency information, fifth generation wireless communication technology and optional carrier frequency information.
  • a common channel indicating a carrier frequency and/or a standard of a co-station or a co-covered cell/access point, for example, carrier frequency information of the E-UTRAN (represented by an E-UTRAN absolute carrier number EARFCN) ), WLAN and optional carrier frequency information, fifth generation wireless communication technology and optional carrier frequency information.
  • the indication information that the multimode terminal receives the multimode base station carrier frequency 1 and the carrier frequency 2 common station may also be: an indirect information indication.
  • the multimode terminal obtains information of multiple carrier frequencies of the multimode base station and/or cells of multiple standards, or information of multiple carrier frequencies and/or access points of multiple standards;
  • the information may include: a base station identifier, and/or geographic location (identification) information, and/or coverage information, which is equivalent to the multimode terminal obtaining multiple carrier frequencies and/or multiple standards of the multimode base station. Station information.
  • the system message or the common channel (for example, the broadcast channel, the control channel) delivered by the multi-mode base station may also indicate network information corresponding to multiple carrier frequencies and/or multiple cells or access points, such as operation.
  • Network Identification PLMN-ID
  • Service Set SS of the WLAN represented by the Service Set Identifier SSID.
  • the system message or the common channel delivered by the multi-mode base station may also indicate multiple carrier frequencies and/or Or an identifier of a plurality of cells or access points, such as E-UTRAN cell 1 (represented by physical cell identity PCI and/or cell global identity CGI), WLAN basic service set BSS (represented by basic service set identifier BSSID), The identity of the 5G cell.
  • E-UTRAN cell 1 represented by physical cell identity PCI and/or cell global identity CGI
  • WLAN basic service set BSS represented by basic service set identifier BSSID
  • the identity of the 5G cell such as E-UTRAN cell 1 (represented by physical cell identity PCI and/or cell global identity CGI), WLAN basic service set BSS (represented by basic service set identifier BSSID), The identity of the 5G cell.
  • the indication information that is sent by the multi-mode base station may further include: other system/carrier frequency/cell system information, etc., so that the multi-mode terminal can access other systems more quickly or judge whether it can access other System/other carrier frequency/other cell; or, the system access priority indication information is used by the multimode terminal to access the network to adjust the network load.
  • the system message of the cell further includes: information or a common channel, indicating (co-hosting with the local cell) or The carrier frequency and/or standard of the cell/access point of the same carrier, and the same carrier.
  • the indication information that the multimode terminal receives the multimode base station carrier frequency 1 and the carrier frequency 2 common station is: indicating the capability of the base station/the local cell/the local access point by using the system message content or the common channel of the multimode base station For example, indicating that the cell has the communication capability of carrier frequency 2/standard 2; or indicating the received signal power correction value (for example, -3 dB) of the base station/the local cell/the present access point.
  • the received signal power correction value may not be indicated, for example, in a scenario where the coverage between the current carrier frequency and the carrier frequency/standard of the co-station is not large, or the carrier frequency of the co-site is further followed by the terminal.
  • the multimode terminal determines whether or not to prepare a communication operation with the carrier frequency 2 of the multimode base station based on the measured received signal power.
  • the communication operation of the multimode terminal to prepare the carrier frequency 2 of the multimode base station is: the multimode terminal calculates the calculated result by using the received received signal power correction value and the received signal power measured by itself, and the calculation result is obtained. If the calculation result is higher than the threshold, the calculation result is started to determine whether to prepare the communication operation with the carrier frequency 2 of the multimode base station; thus, to compensate for the current carrier frequency and the carrier frequency of the common station. / Coverage difference between systems (coverage differences may be caused by path loss of different carrier frequencies, or may be due to different gains of different antennas corresponding to different carrier frequencies/standards).
  • the communication operation of the multimode terminal to prepare the carrier frequency 2 of the multimode base station may further include the following operations: in the multimode terminal, the communication module of the self indicates the carrier frequency 2/system 2 to the corresponding application software.
  • the application software indicates the carrier frequency 2/system 2 to the user through the user interface. (Serviceable), the application software communicates automatically or manually according to manual selection of carrier frequency 2/system 2. For example, if the multimode terminal indicates WLAN (serviceable) to the user, the user can manually open the WLAN module to perform WLAN communication, thereby reducing communication cost, increasing the rate, and obtaining a better user experience.
  • the communication operation of the multimode terminal to prepare the carrier frequency 2 of the multimode base station may further include the following operations: the multimode terminal uses the carrier frequency 2 and/or the system 2 to perform measurement or scanning, to be more accurate.
  • the cell or access point of carrier 2 and/or system 2 is found and identified.
  • the multimode terminal measures or scans the carrier frequency/standard according to the co-site or common coverage carrier frequency/system indicated by the system message to discover and identify the F2 cell of the E-UTRAN, and/or Discover and identify the access point of F3 of the WLAN, and/or discover the base station/cell of F4 of 5G.
  • the synchronization timing of the cell of the carrier frequency 1 can be used as the initial synchronization of the measurement or scanning of the cell or access point of the carrier frequency 2 and/or the system 2 Timing to speed up the measurement or scanning process.
  • the multimode terminal may estimate the measurement result of the cell of carrier frequency 2 and/or system 2 based on the measurement result of the cell of carrier frequency 1, or may calculate The measurement results are combined with the actual measured results (eg, weighted average) to speed up the measurement, reduce the measurement delay, or get a more accurate measurement.
  • the actual measured results eg, weighted average
  • the multimode terminal compares the estimated measurement result with the actual measured result, or according to the measurement result of the carrier frequency 1 and the actual measurement result of the carrier frequency 2 and/or the system 2 Comparison, for example, when the difference between the two is greater than the correction value, report to the base station or the network side (the difference between the two, or the suggested correction value, or the further adjustment factor delta of the correction value, or simply report the abnormality), so that The base station or the network side adjusts the correction value and updates the common station indication information.
  • the method further includes: the multimode terminal may select or reselect the serving carrier frequency.
  • the multimode terminal may also report the measurement results of carrier frequency 2 and/or system 2 to the serving base station, so that the serving base station performs handover/redirection preparation, in order to finally perform data transmission by carrier frequency 2 and/or system 2, for example, Switching/redirecting to the second communication mode, and/or using the first and second communication modes for cooperative transmission (eg Coordinated multi-point CoMP transmission) or joint transmission (for example, dual channel or multi-channel transmission).
  • the multimode terminal may select or reselect the serving carrier frequency.
  • the multimode terminal may also report the measurement results of carrier frequency 2 and/or system 2 to the serving base station, so that the serving base station performs handover/redirection preparation, in order to finally perform data transmission by carrier frequency 2 and/or system 2, for example, Switching/redirecting to the second communication mode, and/or using the first and second communication modes for cooperative transmission (eg Coordinated multi-point CoMP transmission)
  • the multimode terminal When the multimode terminal is located in the service area of the macro base station coexisting with the multimode small base station, there is a connected mode or idle state multimode terminal in the coverage area of the macro base station (for example, LTE and WLAN dual mode, TDD-LTE/FDD) - LTE and WLAN trimode, LTE/WLAN and 5G trimode) and multimode base stations.
  • a connected mode or idle state multimode terminal in the coverage area of the macro base station (for example, LTE and WLAN dual mode, TDD-LTE/FDD) - LTE and WLAN trimode, LTE/WLAN and 5G trimode) and multimode base stations.
  • Step 801 The macro base station may be pre-configured, or through an network management system (OAM), or an inter-base station interface (for example, an X2 interface directly between the base stations, or an X2 interface between the indirect and the X2 GW, or between the indirect and the MME).
  • OAM network management system
  • inter-base station interface for example, an X2 interface directly between the base stations, or an X2 interface between the indirect and the X2 GW, or between the indirect and the MME.
  • the S1 interface obtains information that the neighboring base station is a multi-mode base station, or obtains information of a plurality of adjacent cells co-station or common coverage.
  • Step 802 The multimode terminal receives an indication message (such as a system message, a common channel message, or the like, sent by the network side (for example, the macro base station through the cell or the serving cell corresponding to the LTE carrier frequency 1 or the access network topology relationship providing entity).
  • an indication message such as a system message, a common channel message, or the like, sent by the network side (for example, the macro base station through the cell or the serving cell corresponding to the LTE carrier frequency 1 or the access network topology relationship providing entity).
  • RRC reconfiguration message such as a system message, a common channel message, or the like
  • NAS message for example, the macro base station through the cell or the serving cell corresponding to the LTE carrier frequency 1 or the access network topology relationship providing entity.
  • OMA-DM protocol message OMA-DM protocol message
  • the indication message may indicate two or more co-sites or a common coverage (cell/access point) carrier frequency and/or standard, for example, (co-site) E-UTRAN carrier frequency information (passed E-UTRAN absolute carrier number EARFCN), WLAN and optional carrier frequency information, fifth generation wireless communication technology and optional carrier frequency information.
  • the information that the multimode terminal obtains multiple carrier frequencies of the multimode base station and/or the plurality of standard co-sites may also be an indirect indication.
  • the multimode terminal obtains information of a plurality of carrier frequencies and/or a plurality of cells of a multimode base station, or information of an access point.
  • the indication includes: base station identity and/or geographic location (identification) information and/or coverage information, based on which the multimode terminal determines a plurality of carrier frequencies and/or multiple cells of the cell to be co-located or co-covered.
  • the indication may also indicate: network information corresponding to multiple carrier frequencies and/or multiple systems, for example, a service network identity (PLMN-ID), a service set SS of the WLAN (represented by the service set identity SSID).
  • PLMN-ID service network identity
  • SSID service set identity
  • the indication may further include: indicating an identity range of the co-site or the co-covered cell/access point, for example
  • E-UTRAN cell group 1 represented by physical cell identity range PCI_range and/or cell global identity range CGI_range
  • WLAN basic service set BSS through basic service set identification range BSSID—range indicates
  • 5G cell group 2 and so on.
  • the indication may further include: configuring, by using RRC signaling, information about multiple carrier frequencies and/or multiple standards of the multimode terminal, so that the multimode terminal can access other systems more quickly; or, the system accesses
  • the priority indication information is used by the multimode terminal to access the network to adjust the network load.
  • the indication may further include: in addition to two or more co-sites or co-covered (cell/access point) carrier frequencies and/or standards, two or more co-sites or co-coverages and the same carrier (Cell/access point) carrier frequency and/or standard; or, base station/cell/access point capability, for example, cell (or cell group) indicating carrier frequency 1/system 1 has carrier frequency 2/system 2 Communication ability.
  • the indication may further include: further indicating a received signal power correction value (e.g., -3 dB) by a system message or an RRC reconfiguration message.
  • a received signal power correction value e.g., -3 dB
  • Step 803 The multimode terminal is currently working on the LTE carrier frequency 1; and the synchronization signal (for example, the primary synchronization signal PSS, the secondary synchronization signal SSS, the leading preamble) on the carrier frequency 1 of the multimode base station LTE system is measured, and / or DS, and / or reference signals (such as cell level reference signal CRS, channel state information reference signal CSI-RS, demodulation reference signal DM S, positioning reference signal PRS), and / or beacon (such as WLAN beacon)
  • the multimode terminal measures the discovery signal received power DSRP for the discovery signal, the CS receives the reference signal received power RSRP, or the CSI-RSRP for the CSI-RS measurement.
  • steps 803 and 802 are in no particular order and can be operated simultaneously.
  • Step 804 The multimode terminal uses the modified value and the measured received signal power to determine whether to prepare a communication operation with the carrier frequency 2 of the multimode base station to compensate for the current carrier frequency and the carrier frequency/standard between the common stations. Cover the difference.
  • the correction value may not be indicated, for example, in a scenario where the coverage between the current carrier frequency and the carrier frequency/standard of the co-station is not large, or the carrier/carrier of the co-station is further performed later in the terminal.
  • the multimode terminal determines whether or not to prepare a communication operation with the carrier frequency 2 of the multimode base station based on the measured received signal power.
  • the communication operation of the multimode terminal to prepare the carrier frequency 2 of the multimode base station may include the following operations: the multimode terminal communication module indicates the carrier frequency 2/system 2 (serviceable) to the application software, and the application The software can further indicate to the user carrier frequency 2/system 2 (serviceable) through the user interface, so that the application software can automatically or manually select to use carrier frequency 2/system 2 for communication.
  • the multimode terminal indicates WLAN (serviceable) to the user, the user can manually open the WLAN module to perform WLAN communication, thereby reducing communication cost, increasing the rate, and obtaining a better user experience.
  • the communication operation of the multimode terminal to prepare the carrier frequency 2 of the multimode base station may also include the following operations: the multimode terminal uses the carrier frequency 2 and/or the system 2 to perform measurement or scanning to more accurately The cell or access point of carrier 2 and/or system 2 is found and identified.
  • the multimode base station Preferably, whether further measurement or scanning of carrier frequency 2 and/or system 2 is required may be indicated by the multimode base station.
  • the multimode terminal measures or scans the carrier frequency/standard according to a co-site or a common carrier frequency/standard indicated by a system message or an RRC reconfiguration message (eg, measurement configuration information included therein).
  • the cell of F2 of E-UTRAN is discovered and identified, and/or the access point of F3 that discovers and identifies the WLAN, and/or the cell of F4 of 5G is discovered.
  • the synchronization timing of the cell based on carrier frequency 1 may be used as the cell or access point for carrier frequency 2 and/or system 2. Perform initial synchronization timing of measurements or scans to speed up the measurement or scan process.
  • the measurement result of the cell of carrier frequency 2 and/or system 2 may be estimated based on the measurement result of the cell of carrier frequency 1, or Combine the estimated measurement results with the actual measured results (such as weighted average) to speed up the measurement, reduce the measurement delay, or get a more accurate measurement.
  • the multimode terminal compares the estimated measurement result with the actual measured result, or according to the comparison between the measurement result of carrier frequency 1 and the actual measurement result of carrier frequency 2 and/or system 2, for example, when When the difference is greater than the correction value, report to the base station or the network side (the difference between the two, or the suggested correction value, or the further adjustment factor delta of the correction value), so that the base station or the network side adjusts the correction value, and updates the co-site indication. information.
  • the multimode terminal combines the signal characteristics of the multimode base station on the carrier frequency 1 and the signal characteristics on the carrier frequency 2 to further identify the cell or the base station more accurately; for example, when there are multiple carriers 2
  • the multimode terminal can use the signals on carrier frequency 1 of their respective multimode base stations. Distinguish (eg, indexing or physical identification of synchronization or discovery signals) to accurately identify different base stations and cells.
  • the multimode terminal may select or reselect the service carrier frequency.
  • the multimode terminal may also report the measurement results of carrier frequency 2 and/or system 2 to the serving base station to prepare the handover for the serving base station, in order to finally perform data transmission by carrier frequency 2 and/or system 2.
  • the communication operation of the multimode terminal to prepare the carrier frequency 2 of the multimode base station may also include the following operations: the multimode terminal indicates (possibly) the service near the carrier frequency 2 and/or the system 2 to the serving base station. A proximity indication is provided so that the serving base station further configures the measurement of carrier frequency 2 and/or system 2 for the multimode terminal.
  • the multimode terminal reports the measurement result of the cell of the carrier frequency 1, so that the macro base station determines, according to the measurement result and the co-site/co-coverage relationship between the carrier frequency 1 cell and the carrier frequency 2/standard 2 cell,
  • the multimode terminal is required to measure carrier frequency 2/system 2 and/or determine whether to send a specific message directly to the base station discovered by the multimode terminal.
  • the determining may be comparing the measurement result with a preset threshold value of one and a threshold value of two, and if the threshold is higher than the threshold and lower than the threshold value, the multimode The terminal measures the carrier frequency 2/standard 2; or, if not lower than the threshold value 2, directly sends a specific message to the base station discovered by the multimode terminal;
  • the message of the feature may be a handover or activation message
  • the measurement result of the cell of the carrier frequency 2 estimated on the multimode terminal, and optionally the measurement result of the cell indicating the carrier frequency 2 is derived.
  • the carrier frequency 2/system 2 of the neighboring base station discovered by the multimode terminal is in a power saving state (for example, shutdown, or dormant state, or DTX)
  • the serving base station After receiving the indication or reporting by the multimode terminal, the serving base station The station sends a message to the power-saving base station to activate the carrier frequency 21 system 2 (the activation message can carry the measurement result of the multi-mode terminal to carrier frequency 1 / system 1) for subsequent measurement and/or handover.
  • the communication operation of the multi-mode terminal prepared by the above-mentioned multi-mode terminal and the carrier frequency 2 of the multi-mode base station may also be combined.
  • the multi-mode terminal determines which manner to prepare and Communication operation of carrier frequency 2 of a multimode base station.
  • the status of the multi-mode base station may be explicitly or implicitly indicated by the serving base station or the multi-mode base station.
  • the multimode terminal distinguishes whether the carrier frequency 2/system 2 of the multimode base station is in a power saving state by using resources and/or sequences used by the discovery signal (the multimode terminal may obtain a multimode base station in a power saving state in advance)
  • the resource and/or sequence information used by the discovery signal if yes, the multimode terminal first activates the carrier frequency 2/system 2 of the multimode base station through the serving base station, or activates the signal and/or the message itself.
  • the carrier frequency 2/system 2 of the modulo base station if not, the multimode terminal can directly measure and report the carrier frequency 2/system 2.
  • the load of the carrier frequency 2/system 2 of the multimode base station may also affect the specific manner in which the multimode terminal prepares the communication operation with the carrier frequency 2 of the multimode base station, and the impact may be reflected in the multimode terminal. Decision making (eg, indirect estimation of received signal quality RSRQ based on load and received signal power RSRP) may also be reflected in base station decisions.
  • the state of the multimode terminal may also affect a specific preparation manner.
  • the state of the multimode terminal includes at least one of the following, a service state, a mobility state, and a power consumption/power state.
  • FIG. 8 is a schematic diagram of a small base station/small cell dense deployment.
  • the small base station at the center supports LTE F1 and WIFI F2, and the small access points around it support WIFI F2.
  • the coverage of the LTE F1 cell of the small base station at the center is roughly equivalent to the union of coverage of all small access points supporting WIFI F2. Therefore, it can also be considered that the LTE F1 cell and the WIFI F2 access point group are covered (although not all stations).
  • This scenario can also use the method of Example 1.
  • the scenario of the example 2 can be similar, and details are not described herein again.
  • the above method can also be applied to the scenario shown in FIG. 9, which differs from FIG. 4 in that some WIFI APs are in a dormant state.
  • Figure 10 is a schematic diagram of a small base station/small cell indoor deployment.
  • the small base station in the indoor diplomatic community supports LTE F 1 and WIFI F2, and the small access points around it support WIFI F5 and WIFI F6. These nodes can It is covered by a larger macro cell (not shown).
  • LTE F 1 and WIFI F2 LTE F 1 and WIFI F2
  • WIFI F5 and WIFI F6 WIFI F5 and WIFI F6.
  • Figure 11 shows a schematic diagram of a heterogeneous network deployment.
  • F4, WIFI F5 all nodes in the figure can be covered by a larger macro cell (not shown).
  • 50% of the coverage areas of LTE F1 may have WIFI coverage (40% of the areas may have WIFI F2 coverage, 10% of areas have WIFI F4 coverage;); LTE F1 coverage 10% of the area may have coverage of IMT-2020.
  • FIG 12 is a schematic diagram of a heterogeneous network deployment.
  • Two cells of LTE F1 (which can be regarded as a set of cells) have multiple small base stations or small access points that provide smaller coverage, and some support WIFI. F2, some support IMT-2020 F4, WIFI F5, all nodes in the figure can be covered by a larger macro cell (not shown). It can be seen from the figure that 60% of the coverage areas of the cell collection of LTE F1 may have WIFI coverage (of which 50% of the areas may have WIFI F2 coverage and 10% of areas have WIFI F4 coverage); LTE F1 10% of the coverage area of the set of cells may have coverage of IMT-2020.
  • Figure 13 is a schematic diagram of a heterogeneous network deployment. Under the overlapping coverage (or edge area) of two cells of LTE F1, there are multiple small base stations or small access points that provide smaller coverage, and they support WIFI F2 and LTE F3. It can be seen from the figure that 70% of the overlapping coverage areas of the two cells of LTE F1 may have WIFI coverage and LTE F3 coverage.
  • communication modules in different modes or different modes (such as FDD/TDD) in a multimode terminal may be completely independent or partially independent, opening a communication module of multiple standards/modes may result in higher power consumption per unit time.
  • the coverage of the specific system/mode can be indirectly estimated by the coverage of a communication system/mode with a large coverage. That is to say, it is found that a cell of a certain communication system/mode can infer the discovery of a specific system/mode, so that it is not necessary to open a communication module of multiple standards/modes (this can reduce the power consumption per unit time of the terminal), It is also possible to compare/discover or measure/discover a relatively low-cost communication mode (for example, a communication mode with a large coverage or a communication mode of the same frequency as the current working carrier frequency of the multimode terminal, or a specific discovery signal, Discovering carrier frequency) finds communication modes that are more difficult to measure/detect or measure/discover cost (eg, communication mode with the current working carrier frequency/discrete mode of the multimode terminal, and/or communication with less coverage) Mode), also means that the higher priority communication mode can be found through the lower priority communication mode, especially through the charge Higher communication modes find lower-cost communication modes, such
  • the Idle state multimode terminal receives (resident) WIFI coverage indication information of the cell broadcast;
  • the connected state multimode terminal receives the WIFI coverage indication information sent by the (serving) cell.
  • the coverage indication information may be sent to the designated multimode terminal in a broadcast system information message or a unicast message, such as an RRC reconfiguration message.
  • the designated multimode terminal may be sent to the selected one or more multimode terminals according to the capability of the multimode terminal saved by itself.
  • the multimode terminal discovers the WIFI service area according to the coverage indication information.
  • Example 2
  • the Idle state multimode terminal receives (resident) IMT-2020 standard coverage indication information broadcast by the cell; or, the connected state multimode terminal receives (service) the IMT-2020 standard coverage indication information sent by the cell.
  • the coverage indication information may be sent to the multimode terminal in a broadcast system information message or a unicast message, such as an RRC reconfiguration message.
  • the multimode terminal discovers the IMT-2020 standard service area according to the coverage indication information.
  • the multimode terminal in the Idle state receives (resident) the FDD cell broadcast TDD mode coverage indication information; the multimode terminal in the connected state receives (serving) the TDD mode coverage indication information sent by the FDD cell;
  • the multimode terminal discovers the TDD mode service area according to the received coverage indication information.
  • the coverage indication information may be sent to the multimode terminal in a broadcast system information message or a unicast message, such as an RRC reconfiguration message.
  • the FDD mode coverage indication information sent by the TDD cell may also be used by the multimode terminal. Discover the FDD mode service area.
  • the multi-mode terminal in the Idle state receives (resident) the specific cell WIFI coverage indication information broadcasted by the cell, and the multi-mode terminal in the connected state receives the specific cell WIFI coverage indication information sent by the (serving) cell; wherein, the information may be The broadcasted system information message or unicast message, such as an RRC reconfiguration message, is sent to the multimode terminal.
  • the specific cell WIFI coverage indication information indicates, by the identifier of the cell, a specific cell, such as a physical cell identifier (PCI), a carrier frequency number (such as an E-UTRAN absolute radio number EARFCN), and a physical cell identifier (PCI), global Cell Global Identity (CGI).
  • PCI physical cell identifier
  • carrier frequency number such as an E-UTRAN absolute radio number EARFCN
  • PCI physical cell identifier
  • CGI Cell Global Identity
  • the multimode terminal discovers a specific cell (e.g., by scanning or measuring, including the process of identifying the cell;), and the multimode terminal discovers the WIFI service area.
  • the specific cell-specific mode or mode (such as IMT-2020, high-band communication carrier/standard, or TDD mode, or FDD mode) transmitted by the cell covers the indication information, and the multi-mode terminal can also find the IMT-2020 standard. Service area, or high-band communication carrier/standard, or TDD mode service area, or FDD mode service area.
  • the Idle state multimode terminal receives (resident) the specific base station WIFI coverage indication information broadcasted by the cell; or the connected state multimode terminal receives (serving) the specific base station WIFI coverage indication information sent by the cell; (the information can be included in the broadcast system In the information message or in the unicast message, for example, an RRC reconfiguration message, where the specific base station is indicated by an identifier of the base station, such as an eNB ID or a MAC address, or an identifier of one or more cells corresponding to the base station;
  • the multimode terminal discovers a particular base station (e.g., by scanning or measuring, including the identification process for the base station;), and the multimode terminal discovers the WIFI service area.
  • the specific base station specific system or mode (for example, IMT-2020 standard, or high-band communication carrier frequency/standard, or TDD mode, or FDD mode) transmitted by the cell covers the indication information, and the multi-mode terminal can also find the IMT-2020. Standard service area, or high-band communication carrier/standard, or TDD mode service Service area, or FDD mode service area.
  • the Idle state multimode terminal receives (resident) a specific cell set WIFI coverage indication information broadcast by the cell, or the connected state multimode terminal receives (serving) the specific cell set WIFI coverage indication information (the information can be included in the broadcast)
  • the range of the specific cell set through the cell identification such as the physical cell identity (PCI) range, the carrier frequency number (eg E-UTRAN absolute radio number EARFCN) and the physical The Cell Identification (PCI) range is indicated by the Global Cell Identity (CGI) range.
  • PCI physical cell identity
  • CGI Global Cell Identity
  • the multimode terminal discovers the cells belonging to the specific cell set (for example, by scanning or measuring, including the process of identifying the cell, and discovering that the identifier of one or more cells is within the indicated cell identity range), the multimode terminal discovers the WIFI service area. .
  • the specific cell set specific mode or mode (for example, IMT-2020 system, or high-band communication carrier frequency/standard, or TDD mode, or FDD mode) transmitted by the cell covers the indication information, and the multi-mode terminal can also find the IMT- 2020 standard service area, or high frequency communication carrier frequency/standard service area, or TDD mode service area, or FDD mode service area.
  • a specific base station set specific system or mode coverage indication information may also be used to help the terminal discover a service area of a particular system or mode.
  • the Idle state multimode terminal receives (resident) specific carrier frequency WIFI coverage indication information broadcast by the cell, or the connected state multimode terminal receives (serving) the specific carrier frequency WIFI coverage indication information (the information can be included in the broadcast In a system information message or a unicast message such as an RRC reconfiguration message);
  • the specific carrier frequency is indicated by a carrier frequency number (e.g., E-UTRAN absolute radio number EARFCN).
  • a carrier frequency number e.g., E-UTRAN absolute radio number EARFCN.
  • the multimode terminal When the multimode terminal discovers a specific carrier frequency (for example, by scanning or measuring), the multimode terminal discovers the WIFI service area.
  • the specific carrier frequency specific system or mode (for example, IMT-2020 standard, or high frequency communication carrier frequency/standard, or TDD mode, or FDD mode) transmitted by the cell covers the indication information, and the multi-mode end
  • the terminal can also find the IMT-2020 service area, or the high-band communication carrier/standard, or TDD mode service area, or the FDD mode service area.
  • the specific standard or mode in Examples 1 to 3 may also be: conditional discovery parameters, for example, measurement evaluation parameter.
  • the multimode terminal compares the signal reception power (eg, RSRP), and/or signal reception quality (RSRQ), or signal reception strength (RSSI) of the serving cell (or camped cell) with the measurement evaluation parameter, the designation is satisfied
  • RSRP signal reception power
  • RSSI signal reception strength
  • multimode terminals discover service areas of a particular system or mode.
  • the specified condition may be: RSRP> when measuring the evaluation parameter.
  • the specific standard or mode in Example 4 ⁇ 7 (such as WIFI, IMT-2020, high-band communication carrier/standard, or TDD mode, or FDD mode) coverage indication can also be: Conditional discovery parameters, such as measurement evaluation parameters.
  • the multimode terminal determines that the multimode terminal discovers a service area of a specific system or mode.
  • the satisfying the specified condition is: comparing signal reception power (eg, RSRP), and/or signal reception quality (RSRQ) or signal reception strength (RSSI) of the cell or the base station or the carrier frequency with the measurement evaluation parameter, and satisfying the specific The condition (for example, when RSRP > measures the evaluation parameter) or a set of conditions (for example, for the scenario of Figure X, RSRP of the cell A ⁇ measurement evaluation parameter 1, RSRP of the cell B ⁇ measurement evaluation parameter 2).
  • signal reception power eg, RSRP
  • RSSI signal reception strength
  • the coverage indication information in the examples 4-7 and the example 9 is from the message of the access network (for example, the cell/base station).
  • the multimode terminal may also be from the core network element such as ANDSF (Active Network Discovery and Selection Function). Receive similar coverage indication information (generated from the core network and sent to the terminal via the access network) to discover specific standards or modes (eg WIFI, IMT-2020)
  • specific standards or modes eg WIFI, IMT-2020
  • the coverage indication information in Examples 1-10 may further include coverage ratio or discovery probability to indicate the proportion of the area actually covered by the specific system or mode in the area where the specific system or mode is found (or whether the ratio is high, medium, or low).
  • the WIFI coverage indication information further includes a coverage rate of 80%, which means that if the service area of the WIFI is found by the above method, the area actually covered by the WIFI accounts for 80%, or if the service area of the WIFI is found by the above method, The accessibility probability after actually scanning the WIFI AP accounts for 80% (in this sense, the coverage rate is equivalent to the ratio of the actual discovery to the nominal discovery, that is, the probability of discovery).
  • Coverage can be used to assist multimode terminals or users in making subsequent decisions and decisions. For example, the multimode terminal determines whether to initiate scanning/measurement for a specific system or a specific mode according to coverage (for example, the multimode terminal starts scanning/measurement when the coverage is higher than a specific threshold, and for example, the multimode terminal generates a random Number, when the coverage is greater than the random number, the scan/measurement is started, and the generation of the random number may be periodic or event-triggered);
  • determining the periodicity/frequency of scanning/measurement for a particular regime or particular mode, and/or determining the duration or delay time for discovering a particular cell (For example, a service area of a specific system or a specific mode is considered to be found only when the measured signal strength of a specific cell lasts for 1 second is higher than a certain threshold, or a specific system or a specific system is considered to be discovered only after a specific cell is found for 1 second. Mode of service area). Coverage can also be provided to the user through the user interface so that the user can decide whether to initiate a communication module of a particular system or mode.
  • the coverage indication information in Examples 1-10 may also include numerical parameters for controlling subsequent processing of discovery or discovery of a particular system/mode, and the multimode terminal considers that a particular system is found when the numerical parameter is above a certain threshold.
  • the service area of the mode, or further start scanning/measurement, for example, the multimode terminal generates a random number, and when the numerical parameter is larger than the random number, it is considered that the service area of the specific system/mode is found or the scanning/measurement is started, and the random number is generated. It may be periodic or event triggered.
  • Coverage instructions May include parameters for determining the period/frequency of scanning/measurement for a particular system or particular mode, and/or for determining a particular cell (or a particular set of cells or a particular set of base stations, a particular set of base stations, a particular carrier frequency)
  • the parameter of continuous discovery time or delay time for example, the service area of a specific system or a specific mode is considered to be discovered only after 1 second is found).
  • the coverage indication information of the specific system/mode may further include the frequency band information of the specific system/mode (for example, the 2.4G frequency band of the WIFI, the 5G frequency band, the Band number of the IMT spectrum), and the carrier frequency information ( For example, EARFCN), cell information, service set (Service Set) information, and operational network information (such as PLMN identity); may also include specific system/mode load information, capability information, and energy saving state information for use by the terminal or user.
  • the processing of the judgment or the decision for example, the terminal determines in advance whether the system/mode can be accessed.
  • the user equipment can also act as an access point between the transit network and the multimode terminal or the multimode terminal and the plurality of The data between the modulo terminals or the data directly interacting with other user equipments, and the multimode user equipment as the access point are also applicable to the method of discovering the multimode base station/multimode access point in the present invention.

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Abstract

本发明公开了一种辅助多模终端发现通信机会的方法、装置及系统，其中方法包括：多模终端接收网络侧发来的与第二通信模式相关的覆盖指示信息；所述多模终端根据所述覆盖指示信息，发现基于第二通信模式的通信机会。

Description

一种辅助多模终端发现通信机会的方法、 系统及设备 技术领域
本发明涉及移动通信领域， 尤其涉及一种辅助多模终端发现通信机会的方 法、 系统及设备。 背景技术
在无线蜂窝通信系统中， 无线通信系统为了能够大范围的为所述多模终端 提供无线通信， 需要部署覆盖范围大的基站， 这种基站通常称为宏基站（Macro eNB或 Macro BS , Macro Base Station ), 其服务小区通常称为宏小区 （Macro Cell )0 另外， 考虑到用户的不同需求和不同使用环境， 无线通信系统需要在某 些环境或者场景下为用户提供弥补覆盖空洞或提供更高质量的无线通信服务， 因此一些覆盖范围小、发射功率较低的小型基站或传输节点（TP， Transmission Point )被釆用。 上述小型基站或传输节点可以为微基站（ Pico eNB或 Pico BS ) 或仔基站（ Femto eNB或 Femto BS ); 其中，仔基站也可以称为家庭基站 ( HNB 或 HeNB )、 毫微微基站或飞基站； 微基站和家庭基站提供的小区称为微小区 ( pico cell )和毫微微小区 （femtocell )。 与小型基站对应的节点又称为低功率 节点（ Low Power Node，缩写为 LPN )，这些节点对应的小区又称为小小区（ small cell )。
无线蜂窝通信系统在演进过程中逐渐发展出了多种制式，例如第二代移动 通信技术中的全球移动通信系统 （ GSM， Global System for Mobile Communications )和码分多址 ( CDMA, Code Division Multiple Access )， 第三 代移动通信技术中的宽带码分多址（ WCDMA， Wideband Code Division Multiple Access ), 时分同步码分多址（TD-SCDMA, Time Division- Synchronous Code Division Multiple Access )、 CDMA-2000和全球互通微波接入（ Wimax, Worldwide Interoperability for Microwave Access ); 演进的第三代或第四代移动通信技术中 的长期演进（ LTE， Long Term Evolution ),高级长期演进（ LTE-A LTE- Advanced ), 以及 Wimax2.0。 其中， 有些技术又有对应的接入网名称， 例如 GSM对应 GSM/EDGE 无线接入网 （GERAN, GSM EDGE Radio Access Network ) , WCDMA和 TD-SCDMA对应通用移动通信系统陆地无线接入网 （UTRAN, UMTS Terrestrial Radio Access Network ), LTE/LTE-A 对应演进的 UTRAN ( E-UT AN )0 除了无线蜂窝通信系统之外， 无线通信系统还包括无线局域网 ( WLAN, Wireless Local Access Network )。 由于无线保真（ WIFI )的频谱是免 费的并且 WIFI芯片的成本低廉， 所以无线局域网接入点 （ AP， Access Point ) 的部署和应用可以为运营商和用户提供一种廉价的无线接入和负荷分流的途 径， 其中， 所述 AP也可以视作一种低功率节点。
目前，无线通信技术正在向第五代（5G )发展，上述各种无线通信技术（包 括 5G无线通信技术和现有的无线通信技术）可能将长期共存。 随着多模（支 持多个工作载频和 /或多种接入制式的）终端的普及， 运营商有机会为多模终端 选择最合适的 AP或服务基站， 在提高用户吞吐量的同时实现网络负载均衡和 资源利用的优化。
为此， 需要有机制能够有效的发现终端和接入点或基站间的通信机会， 但 是， 传统的通过终端对接入点或基站的各个载频 /制式进行测量（或扫描）的方 法，会导致多模终端需要频繁的在多个载频、 多种接入制式间进行转换和测量， 从而导致终端大量耗电， 降低终端续航时间并影响用户体验。
此外， WIFI通信（例如互联网下载）近乎免费的特性（或者新一代通信技 术相对旧的通信技术资费更低的特性）会鼓励用户更多的通信 /下载需求，例如， 不少用户在有 WIFI接入服务的地方才打开网页或者下载数据。 但是， 现有技 术中， 由于打开 WIFI通信模块实时的测量是否有能够接入的 AP， 也会带来较 高的耗电。 发明内容
有鉴于此， 本发明实施例的目的在于提供一种辅助多模终端发现通信机会 的方法、 系统及设备。
本发明实施例提供了一种辅助多模终端发现通信机会的方法，该方法包括： 多模终端接收网络侧发来的与第二通信模式相关的覆盖指示信息； 所述多模终端根据所述覆盖指示信息，发现基于第二通信模式的通信机会。 上述方案中， 所述多模终端接收网络侧发来的与第二通信模式相关的覆盖 指示信息， 包括： 多模终端接收服务基站发来的多模基站的第一通信模式与第 二通信模式共覆盖的覆盖指示信息。
上述方案中， 所述方法还包括： 多模终端测量多模基站的第一通信模式 信号。
上述方案中，所述第一通信模式为： 所述多模终端的当前工作载频或制式； 所述第一通信模式信号包括但不限于： 同步信号、 发现信号、 参考信号、 信标； 所述第二通信模式为： 除所述第一通信模式外， 一个或多个载频和 /或一个 或多个制式。
上述方案中， 所述多模基站的第一通信模式与第二通信模式共覆盖的覆盖 指示信息为：
多模基站的多个载频和 /或多个制式的小区或接入点的信息， 其中包括基站 标识、 和 /或地理位置标识信息、 和 /或覆盖信息；
或者， 通过共站或共覆盖的小区 /接入点的标识或标识范围来指示； 或者， 通过小区 /接入点的能力信息来指示；
或者， 两个或多个共站或共覆盖且同一运营商的载频和 /或制式。
上述方案中， 所述覆盖指示信息还指示接收信号功率修正值；
所述发现基于第二通信模式的通信机会， 包括： 所述多模终端使用所述修 正值、 和第一通信模式信号测量结果结合， 判断是否能基于第二通信模式进行 通信。
上述方案中， 所述发现基于第二通信模式的通信机会， 包括：
所述多模终端才艮据对所述多模基站的第一通信模式信号测量结果， 对所述 第二通信模式信号进行测量， 以判断是否能基于第二通信模式进行通信； 或者， 所述多模终端向服务基站上报测量结果， 所述服务基站根据所述测 量结果， 为所述多模终端配置第二通信模式信号测量，和 /或服务基站切换 /重定 向所述多模终端到第二通信模式， 和 /或网络侧使用第一和第二通信模式与所述 多模终端进行联合传输；
或者， 所述多模终端向服务基站发送消息， 服务基站根据所述消息为所述 多模终端配置对第二通信模式的测量， 和 /或服务基站根据所述消息判断是否向 所述多模终端发现的多模基站发送消息； 其中， 所述多模终端向服务基站发送 的消息包括以下至少之一： 靠近第二通信模式的服务范围的指示信息， 对第一 通信模式信号的测量结果， 推算的第二通信模式的信号的测量结果；
或者， 所述多模终端自动选择使用第二通信模式进行通信；
或者， 所述多模终端提示用户所述多模基站的第二通信模式可服务， 根据 用户手动选择结果使用第二通信模式进行通信。
上述方案中， 所述多模终端接收服务基站发来的多模基站的第一通信模式 与第二通信模式共覆盖的覆盖指示信息之前， 该方法还包括：
所述服务基站通过预先配置、 或者通过网管系统、 或者通过基站间接口， 获得相邻基站为多模基站的信息、 或者获得相邻的多个小区共站或共覆盖的信 息。
上述方案中， 所述第二通信模式相关的覆盖指示信息包括： 覆盖率。
上述方案中， 所述覆盖率用于辅助多模终端或者用户进行后续判断； 所述判断的方法包括以下至少之一：
多模终端根据覆盖率， 判断是否启动对第二通信模式信号的扫描 /测量； 多模终端根据覆盖率， 确定对第二通信模式信号的扫描 /测量的周期 /频度， 和 /或确定用于发现第二通信模式服务区的持续判断时间；
多模终端将覆盖率提供给用户， 以便用户决定是否启动特定制式或模式的 通信模块。
上述方案中， 所述第二通信模式相关的覆盖指示信息包括： 小区或小区集 合信息； 或者， 载频信息； 或者， 特定制式 /模式的频段信息、 载频信息、 小区 信息、 服务集信息、 运营网络信息。
上述方案中，所述第二通信模式相关的覆盖指示信息还包括以下至少之一： 测量评估参数信息， 负载信息， 能力信息， 节能状态信息。
上述方案中， 所述多模终端根据所述覆盖指示信息， 发现基于第二通信模 式的通信机会， 包括：
所述覆盖指示信息与多模终端的服务小区默认关联， 则多模终端发现第二 通信模式的服务区；
或者， 如果所述多模终端发现所述覆盖指示信息中的小区或小区集合中的 小区， 则多模终端发现第二通信模式的服务区；
或者， 如果所述多模终端发现所述覆盖指示信息中指示的载频， 则多模终 端发现第二通信模式的服务区；
或者， 多模终端根据测量评估参数信息， 判断是否发现第二通信模式的服 务区。
上述方案中， 多模终端根据特定制式 /模式的频段信息、 载频信息、 小区信 息、 服务集信息、 运营网络信息， 负载信息， 能力信息， 节能状态信息， 判断 是否可以基于第二通信模式进行通信。
上述方案中， 所述第二通信模式至少包括以下之一： WIFI, IMT-2020通信 制式， 高频段通信载频 /制式， FDD通信模式， TDD通信模式。
本发明还提供了一种多模终端， 所述多模终端包括： 收发模块和操作模块； 其中，
收发模块， 用于接收与第二通信模式相关的覆盖指示信息；
操作模块， 用于根据收发模块收到的所述覆盖指示信息， 发现基于第二通 信模式的通信机会。
上述方案中， 所述收发模块， 具体用于接收服务基站发来的多模基站的第 一通信模式与第二通信模式共覆盖的覆盖指示信息。
上述方案中， 所述多模终端还包括： 测量模块， 用于测量多模基站的第一 通信模式信号； 相应的， 所述操作模块， 还用于接收测量模块获取的第一通 信模式的测量结果。
上述方案中， 所述第一通信模式为： 与所述多模终端的当前工作载频或制 式相同的载频或制式信号； 其中， 所述信号包括但不限于： 同步信号、 发现信 号、 参考信号、 信标；
所述第二通信模式为： 除所述第一通信模式外， 一个或多个载频和 /或一个 或多个制式。
上述方案中， 所述多模基站的第一通信模式与第二通信模式共覆盖的覆盖 指示信息为：
多模基站的多个载频和 /或多个制式的小区或接入点的信息， 其中包括基站 标识、 和 /或地理位置标识信息、 和 /或覆盖信息；
或者， 通过共站或共覆盖的小区 /接入点的标识或标识范围来指示； 或者， 通过小区 /接入点的能力信息来指示；
或者， 两个或多个共站或共覆盖且同一运营商的载频和 /或制式。
上述方案中， 所述操作模块， 具体用于使用所述修正值、 和测量的接收信 号功率结合，判断是否通过多模基站的第二通信模式与所述多模基站进行通信。
上述方案中， 所述操作模块， 具体用于根据对所述多模基站的第一通信模 式信号测量结果， 对所述第二通信模式信号进行测量， 以判断是否能基于第二 通信模式进行通信；
或者， 所述多模终端向服务基站上报测量结果， 所述服务基站根据所述测 量结果， 为所述多模终端配置第二通信模式信号测量，和 /或服务基站切换 /重定 向所述多模终端到第二通信模式， 和 /或网络侧使用第一和第二通信模式与所述 多模终端进行联合传输；
或者， 所述多模终端向服务基站发送消息， 服务基站根据所述消息为所述 多模终端配置对第二通信模式的测量， 和 /或服务基站根据所述消息判断是否向 所述多模终端发现的多模基站发送消息； 其中， 所述多模终端向服务基站发送 的消息包括以下至少之一： 靠近第二通信模式的服务范围的指示信息， 对第一 通信模式信号的测量结果， 推算的第二通信模式的信号的测量结果； 或者， 所述多模终端自动选择使用第二通信模式进行通信；
或者， 所述多模终端提示用户所述多模基站的第二通信模式可服务， 根据 用户手动选择结果使用第二通信模式进行通信。
上述方案中， 所述操作模块， 具体用于接收服务基站发来的多模基站的第 一通信模式与第二通信模式共覆盖的覆盖指示信息之前， 所述服务基站通过预 先配置、 或者通过网管系统、 或者通过基站间接口， 获得相邻基站为多模基站 的信息、 或者获得相邻的多个小区共站或共覆盖的信息。
上述方案中， 所述覆盖指示信息包括： 覆盖率。
上述方案中， 所述操作模块，具体用于根据所述覆盖率辅助进行后续判断； 所述判断的方法包括以下至少之一：
根据覆盖率， 判断是否启动对第二通信模式信号的扫描 /测量；
根据覆盖率， 确定对第二通信模式信号的扫描 /测量的周期 /频度， 和 /或确 定用于发现第二通信模式服务区的持续判断时间；
将覆盖率提供给用户，以便用户决定是否启动特定制式或模式的通信模块。 上述方案中， 所述覆盖指示信息包括： 小区或小区集合信息； 或者， 载频 信息； 或者， 特定制式 /模式的频段信息、 载频信息、 小区信息、 服务集信息、 运营网络信息。
上述方案中，所述第二通信模式相关的覆盖指示信息还包括以下至少之一： 测量评估参数信息， 负载信息， 能力信息， 节能状态信息。
上述方案中， 所述处理模块， 具体用于所述覆盖指示信息与服务小区默认 关联， 则多模终端发现第二通信模式的服务区；
或者， 如果发现所述覆盖指示信息中的小区或小区集合中的小区， 则发现 第二通信模式的服务区；
或者， 如果发现所述覆盖指示信息中指示的载频， 则发现第二通信模式的 服务区；
或者， 根据测量评估参数信息， 判断是否发现第二通信模式的服务区。 上述方案中， 所述处理模块， 具体用于根据特定制式 /模式的频段信息、 载 频信息、 小区信息、 服务集信息、 运营网络信息， 负载信息， 能力信息， 节能 状态信息， 判断是否可以基于第二通信模式进行通信。
上述方案中， 所述第二通信模式至少包括以下之一： WIFI, IMT-2020通信 制式， 高频段通信载频 /制式， FDD通信模式， TDD通信模式。
本发明还提供了一种基站， 所述基站包括： 发送模块， 用于发送与第二通 信模式相关的覆盖指示信息。
上述方案中， 所述发送模块， 具体用于发送多模基站的第一通信模式与第 二通信模式共覆盖的覆盖指示信息； 或者， 发送第二通信模式的覆盖率。
本发明还提供了一种辅助多模终端发现通信机会的系统， 所述系统包括： 多模终端及服务基站； 其中，
所述多模终端为上述方案中所述的多模终端；
所述服务基站为上述方案中所述的基站。
本发明实施例所提供的辅助多模终端发现通信机会的方法、 系统及设备， 能够使多模终端接收服务基站发来的覆盖指示信息； 所述多模终端根据所述覆 盖指示信息， 发现通信机会。 如此， 避免了现有技术中需要通过多频率或多制 式的测量才能完成后续通信操作的问题， 直接根据共覆盖指示信息确定后续操 作， 从而减少了耗电量。 并且， 能够更有效的帮助终端发现优先级更高或费率 更低的通信机会， 从而进一步的减小耗电量。 附图说明
图 1为本发明实施例辅助多模终端发现通信机会的方法流程示意图一； 图 2为本发明实施例辅助多模终端发现通信机会的方法流程示意图二； 图 3为本发明实施例辅助多模终端发现通信机会的方法流程示意图三； 图 4为本发明实施例辅助多模终端发现通信机会的系统组成结构示意图； 图 5为实施例一及实施例二存在多模基站的异构网络示意图；
图 6是实施例一及实施例二中多模小基站的两种通信模式的覆盖示意图； 图 7为实施例一中 UE发现与多模基站的第二通信模式的通信机会的流程 图；
图 8为实施例三中系统组成结构示意图一；
图 9为实施例三中系统组成结构示意图二；
图 10为实施例三中系统组成结构示意图三；
图 11为实施例三中系统组成结构示意图四；
图 12为实施例三中系统组成结构示意图五；
图 13为实施例三中系统组成结构示意图六。 具体实施方式
本发明实施例的基本思想是：多模终端接收网络侧发来的与第二通信模式 相关的覆盖指示信息； 所述多模终端根据所述覆盖指示信息， 发现基于第二通 信模式的通信机会。
下面结合附图及具体实施例对本发明再作进一步详细的说明。
本发明实施例提出的辅助多模终端发现通信机会的方法， 如图 1 所示， 包括以下步骤：
步骤 101 : 多模终端接收网络侧发来的与第二通信模式相关的覆盖指示信 息；
这里， 所述覆盖指示信息为： 用于指示多模基站的第一通信模式与第二 通信模式共覆盖的信息； 或者， 用于指示低费率的通信制式的覆盖信息。
所述网络侧可以为服务基站。
步骤 102: 所述多模终端根据所述覆盖指示信息， 发现基于第二通信模式 的通信机会。
这里， 所述发现基于第二通信模式的通信机会可以为： 判断是否与对应的 基站或接入点进行通信。
当所述覆盖指示信息用于指示多模基站的第一通信模式与第二通信模式 共覆盖的信息时， 本发明实施例提供的辅助多模终端发现通信机会的方法， 如图 2所示， 包括以下步骤： 步骤 201 : 多模终端测量多模基站的第一通信模式。
这里， 所述第一通信模式为与所述多模终端的当前工作载频或制式相同的 载频或制式信号。 所述信号包括但不限于： 同步信号、 发现信号、 参考信号、 信标。
步骤 202: 所述多模终端接收所述多模基站的第一通信模式与第二通信模 式的共覆盖的覆盖指示信息。
这里， 所述覆盖指示信息通过所述多模基站的第一通信模式与第二通信模 式的小区的信息、 或接入点的信息间接的指示， 所述小区或接入点的信息包括 以下至少之一基站的标识， 地理位置信息， 覆盖信息；
优选地， 多模基站的第一通信模式与第二通信模式共站或共覆盖通过共站 或共覆盖的小区 /接入点的标识范围来指示；
优选地， 多模基站的第一通信模式与第二通信模式共站或共覆盖通过小区 / 接入点的能力信息来指示。
优选地， 第二通信模式的通信优先级高于第一通信模式。
所述多模终端接收服务基站发来的多模基站的第一通信模式与第二通信模 式共覆盖的覆盖指示信息之前， 该方法还包括： 所述服务基站通过预先配置、 或者通过网管系统、 或者通过基站间接口， 获得相邻基站为多模基站的信息、 或者获得相邻的多个小区共站或共覆盖的信息。
步骤 203: 所述多模终端根据所述指示信息， 判断是否与所述多模基站通 信。
具体的， 多模终端接收用以指示接收信号功率修正值的信息， 所述多模终 端使用所述修正值、 和测量的接收信号功率结合， 判断是否准备与多模基站的 第二通信模式的通信操作；
或者， 多模终端根据对多模基站的第一通信模式测量结果选择第二通信模 式， 对所述第二通信模式进行测量， 和 /或进行制式、 和 /或载频、 和 /或小区重 选， 和 /或进行切换或重定向、 和 /或进行连接建立；
或者， 多模终端向服务基站上报测量结果， 所述服务基站根据所述测量结 果， 为所述多模终端配置第二通信模式测量，和 /或服务基站切换 /重定向所述多 模终端到第二通信模式， 和 /或服务基站使用第一和第二通信模式与所述多模终 端进行联合传输；
或者， 所述多模终端向服务基站发送消息， 服务基站根据所述消息为所述 多模终端配置对第二通信模式的测量， 和 /或服务基站根据所述消息判断是否向 所述多模终端发现的基站发送消息； 其中， 所述多模终端向服务基站发送的消 息包括以下至少之一： 靠近第二通信模式的服务范围的指示信息， 对第一通信 模式的测量结果， 推算的第二通信模式的小区的测量结果；
或者， 所述多模终端自动选择使用第二通信模式进行通信；
或者， 所述多模终端提示用户所述多模基站的第二通信模式可服务， 根据 用户手动选择结果使用第二通信模式进行通信。
优选地， 完成步骤 203后，若所述多模基站的第二通信模式处于节能状态， 则所述多模终端准备与多模基站的第二通信模式进行通信完成后， 所述多模终 端自行激活所述多模基站的第二通信模式， 或者， 所述多模终端通过当前服务 基站激活多模基站的第二通信模式。
优选地， 多模终端准备与多模基站的第二通信模式进行通信之前， 还可以 包括：所述多模终端比较第一通信模式的测量结果和第二通信模式的测量结果， 向当前服务基站或网络侧报告比较结果， 以实现共站指示信息和 /或修正值的自 动更新。
当所述覆盖指示信息为指示低费率的通信制式的覆盖的信息时， 本发明实 施例提供的辅助多模终端发现通信机会的方法， 如图 3所示， 包括：
步骤 301 : 多模终端接收服务基站发来的第二通信模式的覆盖指示信息。 这里， 所述第二通信模式可以为低费率的通信制式。
步骤 302: 所述多模终端根据所述覆盖指示信息， 判断是否接入多模基站 或接入点的所述第二通信模式的服务区。
这里， 所述覆盖指示信息包括： 覆盖率。
所述覆盖率用于辅助多模终端或者用户进行后续判断； 所述判断的方法包括以下至少之一：
多模终端根据覆盖率， 判断是否启动对第二通信模式信号的扫描 /测量； 多模终端根据覆盖率， 确定对第二通信模式信号的扫描 /测量的周期 /频度， 和 /或确定用于发现第二通信模式服务区的持续判断时间；
多模终端将覆盖率提供给用户， 以便用户决定是否启动特定制式或模式的 通信模块。
优选地， 所述覆盖指示信息还可以包括： 小区或小区集合信息； 或者， 载 频信息； 或者， 测量评估参数信息； 或者， 特定制式 /模式的频段信息、 载频信 息、 小区信息、 服务集信息、 运营网络信息， 负载信息， 能力信息， 节能状态 信息。
优选地， 所述多模终端根据所述覆盖指示信息， 发现所述低费率的通信制 式的服务区， 包括： 所述覆盖指示信息与多模终端的服务小区默认关联， 则多 模终端发现第二通信模式的服务区；
或者， 如果所述多模终端发现所述覆盖指示信息中的小区或小区集合中的 小区， 则多模终端发现第二通信模式的服务区；
或者， 如果所述多模终端发现所述覆盖指示信息中指示的载频， 则多模终 端发现第二通信模式的服务区；
或者， 多模终端根据测量评估参数信息， 判断是否发现第二通信模式的服 务区。
多模终端根据特定制式 /模式的频段信息、 载频信息、 小区信息、 服务集信 息、 运营网络信息， 负载信息， 能力信息， 节能状态信息， 判断是否可以基于 第二通信模式进行通信。
优选地，所述第二通信模式至少包括以下之一： WIFI, IMT-2020通信制式， FDD通信模式， TDD通信模式。
可见， 通过高费率但覆盖区域较广的制式（例如 3G或 LTE )， 间接发现低 费率但覆盖区域较少的制式（例如 WIFI, IMT-2020 )， 可以鼓励用户在 WIFI或 IMT-2020制式覆盖区域产生更多业务流量， 同时提高用户吞吐量、 实现网络的 负载均衡和资源利用的优化。
如图 4所示，本发明实施例提供了一种辅助多模终端发现通信机会的系统， 所述系统包括： 多模终端 41及基站 42; 其中，
所述多模终端 41， 配置为接收网络侧发来的与第二通信模式相关的覆盖指 示信息；
所述基站 42， 配置为向多模终端 41发送与第二通信模式相关的覆盖指示 信息。
所述多模终端 41包括： 收发模块 411和操作模块 412; 其中，
收发模块 411， 配置为将接收到的与第二通信模式相关的覆盖指示信息发 送给操作模块；
操作模块 412， 配置为根据收发模块发来的所述覆盖指示信息， 发现基于 第二通信模式的通信机会。
所述收发模块 411， 配置为接收服务基站发来的多模基站的第一通信模式 与第二通信模式共覆盖的覆盖指示信息。
所述操作模块 412， 配置为测量多模基站的第一通信模式信号。
其中， 所述第一通信模式为： 所述多模基站的第一载频或第一制式的信号； 其中， 所述第一制式的信号包括但不限于： 同步信号、 发现信号、 参考信号、 信标。
所述多模终端 41还包括： 测量模块 413， 配置为多模终端测量多模基站 的第一通信模式； 相应的， 所述操作模块 412， 配置为接收测量模块获取的 第一通信模式的测量结果。
所述覆盖指示信息为： 多模基站的多个载频和 /或多个制式的小区或接入点 的信息， 其中包括基站标识和 /或地理位置（标识）信息和 /或覆盖信息；
或者， 通过共站或共覆盖的小区 /接入点的标识或标识范围来指示； 或者， 通过小区 /接入点的能力信息来指示；
或者， 指示本基站 /本小区 /本接入点的接收信号功率修正值；
或者， 两个或多个共站或共覆盖且同一运营商的载频和 /或制式。 所述第二通信模式的通信优先级高于第一通信模式。
所述操作模块 412， 配置为根据对所述多模基站的第一通信模式信号测量 结果， 对所述第二通信模式信号进行测量， 以判断是否能基于第二通信模式进 行通信；
或者， 向服务基站上报测量结果， 所述服务基站根据所述测量结果， 为所 述多模终端配置第二通信模式信号测量，和 /或服务基站切换 /重定向第二通信模 式， 和 /或网络侧使用第一和第二通信模式进行联合传输；
或者， 向服务基站发送消息， 服务基站根据所述消息为配置对第二通信模 式的测量， 和 /或服务基站根据所述消息判断是否向发现的多模基站发送消息； 其中， 向服务基站发送的消息包括以下至少之一： 靠近第二通信模式的服务范 围的指示信息， 对第一通信模式信号的测量结果， 推算的第二通信模式的信号 的测量结果；
或者， 自动选择使用第二通信模式进行通信；
或者， 提示用户所述多模基站的第二通信模式可服务， 根据用户手动选择 结果使用第二通信模式进行通信。
所述操作模块 412， 配置为接收服务基站发来的多模基站的第一通信模式 与第二通信模式共覆盖的覆盖指示信息之前， 所述服务基站通过预先配置、 或 者通过网管系统、 或者通过基站间接口， 获得相邻基站为多模基站的信息、 或 者获得相邻的多个小区共站或共覆盖的信息。
所述操作模块 412， 配置为比较第一通信模式的测量结果和第二通信模式 的测量结果， 报告比较结果。
所述操作模块 412， 配置为若第二通信模式处于节能状态， 则自行激活所 述多模基站的第二通信模式， 或者， 通过当前服务基站激活多模基站的第二通 信模式。
所述操作模块 412， 配置为基于对多模基站的第一通信模式的小区的测量 结果， 推算所述多模基站的第二通信模式的小区的测量结果； 将所述测量结果 和所述多模基站的第二通信模式的实际测量的结果进行组合； 根据推算的测量结果和实际测量的结果的比较，当二者之差大于修正值时， 向网络侧发送报告； 其中， 所述报告包括： 二者之差， 或者建议的修正值， 或 者对修正值的调整因子， 或者仅仅是报告异常。
上述收发模块可以由天线及 DSP等硬件配置实现；操作模块以及测量模块 均可以由 DSP等硬件实现。
所述基站 42包括： 发送模块 421， 配置为发送与第二通信模式相关的覆盖 指示信息。
所述发送模块 421， 配置为接收低费率的通信制式的覆盖指示信息； 处理 模块， 用于根据收发模块收到的所述覆盖指示信息， 发现所述低费率的通信制 式的服务区。
优选地， 所述覆盖指示信息包括： 覆盖率； 或者， 小区或小区集合信息； 或者， 载频信息； 或者， 测量评估参数信息； 或者， 特定制式 /模式的频段信息、 载频信息、 小区信息、 服务集信息、 运营网络信息， 负载信息， 能力信息， 节 能状态信息。
所述操作模块， 配置为根据所述覆盖率辅助进行后续判断；
所述判断的方法包括以下至少之一：
根据覆盖率， 判断是否启动对第二通信模式信号的扫描 /测量；
根据覆盖率， 确定对第二通信模式信号的扫描 /测量的周期 /频度， 和 /或确 定用于发现第二通信模式服务区的持续判断时间；
将覆盖率提供给用户，以便用户决定是否启动特定制式或模式的通信模块。 优选地， 所述处理模块， 具体用于将所述覆盖指示信息与多模终端的服务 小区关联， 则多模终端发现低费率的通信制式的服务区；
或者， 如果发现所述覆盖指示信息中的小区或小区集合中的小区， 则多模 终端发现低费率的通信制式的服务区；
或者， 如果发现所述覆盖指示信息中指示的载频， 则多模终端发现低费率 的通信制式的服务区；
或者，根据测量评估参数信息， 判断是否发现低费率的通信制式的服务区； 或者，根据特定制式 /模式的频段信息、 载频信息、 小区信息、服务集信息、 运营网络信息， 负载信息， 能力信息， 节能状态信息， 判断是否可以接入该制 式 /模式。
优选地， 所述低费率的通信制式至少包括以下之一： WIFI, IMT-2020通信 制式， 高频段通信载频 /制式， FDD通信模式， TDD通信模式。
所述基站包括： 收发模块， 用于发送低费率的通信制式的覆盖指示信息。 实施例一、
如图 5 和图 6 所示， 多模小基站可能支持 LTE (包括 FDD-LTE 和 /或 TDD-LTE )和 WLAN两种制式（还可能支持第二代、 第三代、 和 /或第五代无 线通信技术的制式）。 不同制式的覆盖范围受到其制式本身的特征（例如导频 / 同步信号 /参考信号 /前导、控制信道等信号与信道的特征）的影响， 也受到各种 制式所使用的载频 /频段（例如 800Mhz， 1.8Ghz， 2.4GHz, 3.5Ghz， 5Ghz， 45GHz 等）、 周边环境和小区发射功率的影响。
一般而言， 路损正比于载频的对数， 载频 /频段越高， 无线信号经过相同空 间传播路径所致的路损越大， 也就意味着覆盖越差或者说相同发射功率下的覆 盖范围越小。 而属于同一频段的两个载频或者相邻的两个载频通常其所致的路 损差别较小， 因而它们的覆盖范围几乎一样（当两个载频的发射功率一样时）。
多模小基站受物理尺寸的限制， 通常不同载频 /不同制式的天线是共用的， 或者不同载频 /不同制式天线的间距非常小， 同样， 多模终端也是如此。 这样， 多模小基站与多模终端的第一通信模式（例如 LTE 2.3GHz )和第二通信模式（例 如 WLAN 2.4Ghz， 或者第二代、 第三代、 第五代无线通信制式）在传输距离上 是近似相等的， 传输的环境（例如室内环境）也是基本相同的， 而这时两种通 信模式的覆盖主要受载频、 发射功率、 天线增益 （包括基站处的天线增益和终 端处的天线增益）和各自信号 /信道特征的影响。
对于给定的两种通信模式的载频、 发射功率、 天线增益、 信号 /信道特征， 共天线、 或者准共站， 准共天线， 或者测量 /发现可转换、 可等效的共站（共站 或准共站可以认为是共覆盖或者准共覆盖的一种情况）。 传输节点 （多模小基站）和共站接收节点 （多模终端）使用两种通信模式 的覆盖范围具有相似性 （例如以多模小基站为圓心的相同半径或不同半径的 圓）。 这意味着， 可以通过对一种通信模式的覆盖推断另一种通信模式的覆盖。
例如： 当终端进入多模小基站的 LTE 2.3GHz的覆盖范围时， 也可以近似 推断出终端进入多模小基站的 WLAN 2.4GHz (和 /或其它通信制式和 /或通信载 频） 的覆盖范围。 如此， 则可以在避免或最小化 WLAN扫描 /测量（和 /或其它 通信制式和 /或通信载频） 的前提下， 发现多模终端与多模小基站间以 WLAN 2.3GHz (和 /或其它通信制式 /通信载频）进行通信的机会。
这意味着，可以通过比较容易测量 /发现、或者测量 /发现代价较小的通信模 式（例如覆盖范围较大的通信模式、 或者与所述多模终端当前工作载频同频的 通信模式、 或者特定的发现信号、 发现载频）发现较难测量 /发现、 或者测量 / 发现代价较大的通信模式 (例如与所述多模终端当前工作载频异频 /异制式的通 信模式， 和 /或覆盖范围较小的通信模式）， 可以通过优先级较低的通信模式发 现优先级较高的通信模式，例如通过 3G或 LTE发现 WLAN或第五代无线通信 技术， 还意味着可以通过对某一通信模式的测量发现与多种通信模式的通信机 会。
具体的， 多模终端发现与多模基站的第二通信模式的通信机会的流程图， 如图 7所示， 包括以下步骤：
步骤 701 : 多模终端测量多模基站载频 1。
步骤 702: 多模终端接收多模基站载频 1和载频 2共站的指示信息。
上述步骤 701和步骤 702的顺序可以交换。
步骤 703: 多模终端准备与多模基站的载频 2的通信操作。
优选地， 当步骤 701中所述多模终端位于所述多模基站的覆盖范围内时， 且处于 Idle 态或连接态的所述多模终端 （例如 LTE 和 WLAN 双模， TDD-LTE/FDD-LTE和 WLAN三模， LTE/WLAN和 5G三模；)， 在多模基站的 LTE载频 1的服务区内时：
所述多模终端测量多模基站载频 1包括： 所述多模终端测量所述多模基站 LTE载频 1的信号； 其中， 所述信号包括： 小区的同步信号 （例如主同步信号 PSS ,辅同步信号 SSS， 前导 preamble )和 /或发现信号（ DS， Discovery Signal ); 和 /或参考信号 （例如小区级参考信号 CRS， 信道状态信息参考信号 CSI-RS , 解调参考信号 DM S，定位参考信号 PRS )，和 /或信标（例如 WLAN的 beacon )。 其中， 所述 DS可以由多模基站发送； 所述多模基站在载频 1上不提供数据传 输服务，在载频 2/制式 2上提供正常的服务，并且多模基站在载频 1上发送 DS 时载频 2/制式 2可以处于节能状态。
例如， 对 CRS测量得到参考信号接收功率 RSRP， 或者对 CSI-RS测量得 到 CSI-RSRP, 或对 WLAN信标测量得到 RSSI。
所述多模终端接收多模基站载频 1和载频 2共站的指示信息可以为： 所述 多模终端接收服务小区通过 LTE载频 1对应的小区（即本小区 )发送的系统消 息 （或公共信道）；
其中， 所述系统消息包括： 公共信道指示共站或共覆盖的小区 /接入点的载 频和 /或制式， 例如， E-UTRAN 的载频信息 （通过 E-UTRAN绝对载频编号 EARFCN表示）， WLAN和可选的载频信息， 第五代无线通信技术和可选的载 频信息。
所述多模终端接收多模基站载频 1和载频 2共站的指示信息也可以为： 间 接的信息指示。 例如， 所述多模终端获得多模基站的多个载频和 /或多个制式的 小区的信息、 或多个载频和 /或多个制式的接入点的信息；
其中， 所述信息可以包括： 基站标识、 和 /或地理位置 （标识）信息、 和 / 或覆盖信息，相当于所述多模终端获得多模基站的多个载频和 /或多个制式共站 的信息。
优选地， 所述多模基站下发的系统消息或公共信道（例如广播信道， 控制 信道）还可以指示多个载频和 /或多个制式的小区或接入点对应的网络信息， 例 如运营网络标识 （PLMN-ID ), WLAN的服务集 SS (通过服务集标识 SSID表 示）。
优选地， 所述多模基站下发的系统消息或公共信道还可以指示多个载频和 / 或多个制式的小区或接入点的标识， 例如 E-UTRAN小区 1 (通过物理小区标 识 PCI和 /或小区全球标识 CGI表示）， WLAN基本服务集 BSS (通过基本服务 集标识 BSSID表示）， 5G小区的标识。
优选地，所述多模基站下发的指示信息可以还包括： 其他制式 /载频 /小区的 系统信息等， 以便所述多模终端更快接入其他制式或者更快判断是否能接入其 他制式 /其他载频 /其他小区； 或者， 系统接入优先级指示信息供所述多模终端接 入网络选择， 以便调整网络负载。
优选地， 除了指示 (与本小区）共站或共覆盖的小区 /接入点的载频和 /或制 式， 小区的系统消息还包括： 信息或公共信道， 指示 （与本小区）共站或共覆 盖， 且同一运营商的， 小区 /接入点的载频和 /或制式。
所述多模终端接收多模基站载频 1和载频 2共站的指示信息为： 通过所述 多模基站的系统消息内容或公共信道，指示本基站 /本小区 /本接入点的能力，例 如：指示本小区具有载频 2/制式 2的通信能力； 或者指示本基站 /本小区 /本接入 点的接收信号功率修正值（例如 -3dB )。 优选的， 所述接收信号功率修正值也可 以不指示， 例如在当前载频和共站的载频 /制式间的覆盖差异不大的场景下， 或 者在终端后续会进一步对共站的载频 /制式进行扫描 /测量的情况下，这样， 所述 多模终端根据测量的接收信号功率判断是否准备与多模基站的载频 2的通信操 作。
所述多模终端准备与多模基站的载频 2的通信操作为： 所述多模终端使用 收到的所述接收信号功率修正值、 和自身测量的接收信号功率计算得到计算结 果， 将所述计算结果与预设的门限值相比， 若高于所述门限， 则开始判断是否 准备与多模基站的载频 2 的通信操作； 如此， 以弥补当前载频和共站的载频 / 制式间的覆盖差异（覆盖差异可能由于不同载频的路损导致， 也可能由于不同 载频 /制式对应的不同天线的增益不同等原因导致）。
优选地， 所述多模终端准备与多模基站的载频 2的通信操作还可以包括下 面的操作： 所述多模终端中， 自身的通信模块向对应的应用软件指示载频 2/制 式 2 (可服务）； 相应的， 所述应用软件通过用户界面向用户指示载频 2/制式 2 (可服务）， 所述应用软件自动或者根据人工手动选择选定使用载频 2/制式 2 进行通信。 例如， 所述多模终端向用户指示 WLAN (可服务）， 则用户可以手 动打开 WLAN模块以进行 WLAN通信， 从而降低通信成本， 提升速率， 获得 更佳的用户体验。
优选地， 所述多模终端准备与多模基站的载频 2的通信操作还可以包括下 面的操作： 所述多模终端使用载频 2和 /或制式 2进行测量或扫描， 以更准确的 发现并识别载频 2和 /或制式 2的小区或接入点。 例如， 所述多模终端根据系统 消息所指示的共站或共覆盖的载频 /制式，对该载频 /制式进行测量或扫描， 以发 现并识别 E-UTRAN的 F2的小区， 和 /或发现和识别 WLAN的 F3的接入点， 和 /或发现 5G的 F4的基站 /小区。
优选的， 所述多模终端在测量或扫描载频 2时， 可基于载频 1的小区的同 步定时作为对载频 2和 /或制式 2的小区或接入点进行测量或扫描的初始同步定 时， 以加快测量或扫描进程。
优选的， 所述多模终端在测量或扫描载频 2和 /或制式 2时， 可基于载频 1 的小区的测量结果推算载频 2和 /或制式 2的小区的测量结果， 或将推算的测量 结果和实际测量的结果进行组合（例如加权平均）， 以加快测量速度、 减少测量 延迟或者得到更准确的测量值。
优选的， 上述步骤 703完成后， 所述所述多模终端根据推算的测量结果和 实际测量的结果的比较， 或者根据载频 1的测量结果和载频 2和 /或制式 2的实 际测量结果的比较， 例如当二者之差大于修正值时， 向基站或网络侧报告（二 者之差， 或者建议的修正值， 或者对修正值的进一步调整因子 delta, 或者仅仅 是报告异常）， 以便基站或网络侧对修正值进行调整， 更新共站指示信息。
优选地，所述所述多模终端发现 E-UTRAN的 F2的小区和 /或 WLAN的 F3 的接入点后， 还包括： 所述所述多模终端可选择或者重选服务载频。 所述多模 终端也可以向服务基站上报载频 2和 /或制式 2的测量结果， 以便服务基站进行 切换 /重定向准备， 为了最终可能通过载频 2和 /或制式 2进行数据传输，例如切 换 /重定向到第二通信模式，和 /或使用第一和第二通信模式进行协作传输 (例如 协作多点 CoMP传输）或联合传输（例如双通道或多通道传输）。 实施例二、
当多模终端位于与多模小基站共存的宏基站的服务区的情况下， 所述宏基 站覆盖区中存在连接态或 idle 态多模终端 （例如 LTE 和 WLAN 双模， TDD-LTE/FDD-LTE和 WLAN三模， LTE/WLAN和 5G三模）和多模基站。
步骤 801 : 所述宏基站可以通过预先配置、 或者通过网管系统（OAM )、 或 者基站间接口 （例如基站间直接的 X2接口， 或者间接的和 X2 GW间的 X2接 口， 或者间接的和 MME间的 S1接口）， 获得相邻基站为多模基站的信息、 或 者获得相邻的多个小区共站或共覆盖的信息。
步骤 802: 所述多模终端接收网络侧 (例如宏基站通过 LTE载频 1对应的 小区或者服务小区， 或者接入网络拓朴关系提供实体）发送的指示消息 （例如 系统消息、 公共信道消息、 RRC重配消息、 NAS消息、 OMA-DM协议消息）。
其中， 所述指示消息可指示 2个或多个共站或共覆盖的 （小区 /接入点的） 载频和 /或制式， 例如， （共站的 ) E-UTRAN的载频信息（通过 E-UTRAN绝对 载频编号 EARFCN表示）， WLAN和可选的载频信息， 第五代无线通信技术和 可选的载频信息。
优选地， 所述多模终端获得多模基站的多个载频和 /或多个制式共站的信息 也可以是间接的指示。 例如， 所述多模终端获得多模基站的多个载频和 /或多个 制式的小区的信息、 或接入点的信息。
其中，所述指示包括：基站标识和 /或地理位置（标识）信息和 /或覆盖信息， 基于此所述多模终端判断多个载频和 /或多个制式的小区共站或共覆盖。
所述指示还可以指示： 多个载频和 /或多个制式对应的网络信息， 例如， 运 营网络标识（PLMN-ID ), WLAN的服务集 SS (通过服务集标识 SSID表示）。
所述指示还可以包括： 指示共站或共覆盖的小区 /接入点的标识范围， 例如
E-UTRAN小区组 1 (通过物理小区标识范围 PCI— range和 /或小区全球标识范围 CGI— range 表示）， WLAN 基本服务集 BSS (通过基本服务集标识范围 BSSID— range表示）， 5G小区组 2等。
所述指示还可以包括： 通过 RRC信令， 配置给所述多模终端多个载频和 / 或多个制式的信息， 以便所述多模终端更快接入其他制式； 或者， 系统接入优 先级指示信息供所述多模终端接入网络选择， 以便调整网络负载。
所述指示还可以包括： 除了指示两个或多个共站或共覆盖的（小区 /接入点 的）载频和 /或制式，两个或多个共站或共覆盖且同一运营商的（小区 /接入点的） 载频和 /或制式； 或者， 基站 /小区 /接入点的能力， 例如指示载频 1/制式 1的小 区 （或小区组）具有载频 2/制式 2的通信能力。
所述指示还可以包括： 通过系统消息或 RRC重配消息， 进一步指示接收信 号功率修正值（例如 -3dB )。
步骤 803: 所述多模终端当前工作在 LTE载频 1 ; 通过测量接收到多模基 站 LTE制式的载频 1上的同步信号 （例如主同步信号 PSS， 辅同步信号 SSS， 前导 preamble ), 和 /或 DS， 和 /或参考信号 （例如小区级参考信号 CRS， 信道 状态信息参考信号 CSI-RS, 解调参考信号 DM S， 定位参考信号 PRS )， 和 / 或信标（例如 WLAN的 beacon ); 比如， 所述多模终端对发现信号测量得到发 现信号接收功率 DSRP， C S测量得到参考信号接收功率 RSRP，或者对 CSI-RS 测量得到 CSI-RSRP。
上述步骤 803与步骤 802不分先后顺序， 可以同时操作。
步骤 804: 所述多模终端使用该修正值和测量的接收信号功率结合来判断 是否准备与多模基站的载频 2的通信操作， 以弥补当前载频和共站的载频 /制式 间的覆盖差异。
优选地， 所述修正值也可以不指示， 例如在当前载频和共站的载频 /制式间 的覆盖差异不大的场景下， 或者在终端后续会进一步对共站的载频 /制式进行扫 描 /测量的情况下， 这样， 所述多模终端根据测量的接收信号功率判断是否准备 与多模基站的载频 2的通信操作。
优选地， 所述多模终端准备与多模基站的载频 2的通信操作可以包括下面 的操作： 所述多模终端通信模块向应用软件指示载频 2/制式 2 (可服务）， 应用 软件可以进一步通过用户界面向用户指示载频 2/制式 2 (可服务）， 以便应用软 件自动的或者人工手动选择使用载频 2/制式 2进行通信。 例如， 所述多模终端 向用户指示 WLAN (可服务）， 则用户可以手动打开 WLAN模块以进行 WLAN 通信， 从而降低通信成本， 提升速率， 获得更佳的用户体验。
优选地， 所述多模终端准备与多模基站的载频 2的通信操作也可以包括下 面的操作： 所述多模终端使用载频 2和 /或制式 2进行测量或扫描， 以更准确的 发现并识别载频 2和 /或制式 2的小区或接入点。
优选地，是否需要进一步对载频 2和 /或制式 2进行测量或扫描可以由多模 基站指示。 例如， 所述多模终端根据系统消息或 RRC重配消息（例如其包括的 测量配置信息 )所指示的共站或共覆盖的载频 /制式，对该载频 /制式进行测量或 扫描， 以发现并识别 E-UTRAN的 F2的小区， 和 /或发现和识别 WLAN的 F3 的接入点， 和 /或发现 5G的 F4的小区。
优选地， 所述多模终端在使用载频 2和 /或制式 2进行测量或扫描时， 可基 于载频 1的小区的同步定时作为对载频 2和 /或制式 2的小区或接入点进行测量 或扫描的初始同步定时， 以加快测量或扫描进程。
优选地， 所述多模终端在使用载频 2和 /或制式 2进行测量或扫描时， 可基 于载频 1的小区的测量结果推算载频 2和 /或制式 2的小区的测量结果， 或将推 算的测量结果和实际测量的结果进行组合（例如加权平均）， 以加快测量速度、 减少测量延迟或者得到更准确的测量值。
优选地， 所述多模终端根据推算的测量结果和实际测量的结果的比较， 或 者根据载频 1的测量结果和载频 2和 /或制式 2的实际测量结果的比较， 例如当 二者之差大于修正值时， 向基站或网络侧报告（二者之差， 或者建议的修正值， 或者对修正值的进一步调整因子 delta ), 以便基站或网络侧对修正值进行调整， 更新共站指示信息。
优选地， 所述多模终端联合多模基站在载频 1上的信号特征、 和载频 2上 的信号特征， 还可以更准确的识别小区或者基站； 例如， 当载频 2上有多个小 区有相同的物理小区标识时， 可利用它们各自的多模基站的载频 1上的信号的 区别 （例如同步或发现信号的索引或者物理标识）来准确的识别不同的基站和 小区。
优选地， 所述多模终端准确的识别 E-UTRAN的 F2的小区和 /或 WLAN的 F3的接入点后， 所述多模终端可选择或者重选服务载频。 所述多模终端也可以 向服务基站上报载频 2和 /或制式 2的测量结果， 以便服务基站进行切换准备， 为了最终可能通过载频 2和 /或制式 2进行数据传输。
优选地， 所述多模终端准备与多模基站的载频 2的通信操作也可以包括下 面的操作： 所述多模终端向服务基站指示 (可能 )靠近载频 2和 /或制式 2的服 务范围 （proximity indication ), 以便服务基站进一步为所述多模终端配置对载 频 2和 /或制式 2的测量。
和 /或， 所述多模终端上报对载频 1的小区的测量结果， 以便宏基站根据该 测量结果以及载频 1小区与载频 2/制式 2小区的共站 /共覆盖关系，判断是否要 求所述多模终端对载频 2/制式 2进行测量，和 /或判断是否直接向被所述多模终 端发现的基站发送特定的消息。 其中， 所述判断可以为将所述测量结果与预设 的门限值一、 及门限值二相比， 若高于所述门限一、 且低于门限值二， 则所述 多模终端对载频 2/制式 2进行测量； 或者， 若不低于门限值二， 则直接向被所 述多模终端发现的基站发送特定的消息；
所述特征的消息可以为切换或激活消息；
和 /或， 所述多模终端上 4艮推算的载频 2的小区的测量结果， 并可选的指示 载频 2的小区的测量结果是推算出来的。 当所述多模终端发现的相邻基站的载 频 2/制式 2处于节能状态（例如关机， 或 dormant state, 或 DTX )， 服务基站在 收到所述多模终端的指示或上报后， 宏基站向节能基站发送消息以激活载频 21 制式 2 (激活消息可以捎带所述多模终端对载频 1/制式 1的测量结果）， 以便进 行后续测量和 /或切换。
优选地， 以上所述多模终端准备与多模基站的载频 2的通信操作还可以进 行组合， 例如， 所述多模终端接收到多模基站的状态指示后判断釆用哪种方式 准备与多模基站的载频 2的通信操作。 其中， 所述多模基站的状态可以由服务基站或多模基站显式的或隐式的指 示。 例如， 所述多模终端通过发现信号所使用的资源和 /或序列来区分多模基站 的载频 2/制式 2是否处于节能状态 (所述多模终端可能事先获得处于节能状态 的多模基站的发现信号所使用的资源和 /或序列的信息）， 如果是， 则所述多模 终端先通过服务基站激活多模基站的载频 2/制式 2， 或者自行发送信号和 /或消 息激活多模基站的载频 2/制式 2， 如果否， 则所述多模终端可以直接对载频 2/ 制式 2进行测量以及上报。 再例如， 多模基站的载频 2/制式 2的负载也可以影 响所述多模终端准备与多模基站的载频 2的通信操作的具体方式， 这种影响可 能体现在所述多模终端决策上 （例如根据负载以及接收信号功率 RSRP来间接 的估算接收信号质量 RSRQ )， 也可能体现在基站决策上。 此外， 所述多模终端 的状态同样可以影响具体的准备方式， 例如， 所述多模终端的状态包括以下至 少之一， 业务状态， 移动状态， 耗电 /电量状态。
实施例三、
图 8是一种小基站 /小小区密集部署的示意图， 如图 4所示， 中心处的小基 站支持 LTE F1和 WIFI F2, 而其周围的小接入点支持 WIFI F2。 中心处的小基 站的 LTE F1小区的覆盖大致等同于所有支持 WIFI F2的小接入点的覆盖的并 集。 因此， 也可以认为 LTE F1小区与 WIFI F2的接入点群共覆盖（虽然不是都 共站）。 这种场景也可以釆用实例 1 的方法。 当这些小基站 /小小区位于宏小区 的覆盖之下时， 这种场景也可以实例 2的方法类似， 在此不再赘述。 类似的， 以上方法还可以应用于如图 9所示的场景， 其与图 4的差别是某些 WIFI AP处 于休眠态。
图 10所示是一种小基站 /小小区室内部署的示意图， 室内外交界处的小基 站支持 LTE F 1和 WIFI F2， 而其周围的小接入点支持 WIFI F5和 WIFI F6， 这 些节点可以被更大的宏小区所覆盖（图中未画出）。用户从室外到达室内时需要 经过室内外交界处的支持 LTE F1和 WIFI F2的小基站。
图 11所示是一种异构网络部署的示意图， LTE F1覆盖范围下有多个提供 较小覆盖的小基站或小接入点， 有的支持 WIFI F2, 有的支持 IMT-2020制式的 F4， WIFI F5, 图中所有节点可以被更大的宏小区所覆盖（图中未画出）。 从图 中可以看出， LTE F1的覆盖区中可能有 50%的区域有 WIFI覆盖 （其中可能有 40%的区域有 WIFI F2覆盖， 10%的区域有 WIFI F4覆盖；)； LTE F1的覆盖区中 可能有 10%的区域有 IMT-2020制式的覆盖。
图 12所示是一种异构网络部署的示意图， LTE F1的两个小区 （可以视作 小区集合）覆盖范围下有多个提供较小覆盖的小基站或小接入点， 有的支持 WIFI F2， 有的支持 IMT-2020制式的 F4， WIFI F5， 图中所有节点可以被更大 的宏小区所覆盖 （图中未画出）。 从图中可以看出， LTE F1的小区集合的覆盖 区中可能有 60%的区域有 WIFI覆盖（其中可能有 50%的区域有 WIFI F2覆盖， 10%的区域有 WIFI F4覆盖）； LTE F1的小区集合的覆盖区中可能有 10%的区 域有 IMT-2020制式的覆盖。
图 13所示是一种异构网络部署的示意图， LTE F1的两个小区的交叠覆盖 范围下 （或者说边缘区域）有多个提供较小覆盖的小基站或小接入点， 它们支 持 WIFI F2和 LTE F3。从图中可以看出， LTE F1的两小区的交叠覆盖区中可能 有 70%的区域有 WIFI覆盖和 LTE F3覆盖。
由于不同制式或者不同模式（例如 FDD/TDD )在多模终端中的通信模块可 能完全独立或部分独立， 开启多个制式 /模式的通信模块可能带来更高的单位时 间耗电。
如图 8〜图 13所示， 特定制式 /模式的覆盖范围可以间接通过某一覆盖范围 较大的通信制式 /模式的覆盖来推测。也就是说，发现了某一通信制式 /模式的小 区可以推测出对特定制式 /模式的发现，这样， 不必开启多个制式 /模式的通信模 块（这样可以减小终端的单位时间耗电）， 也可以通过比较容易测量 /发现或者 测量 /发现代价较小的通信模式 (例如覆盖范围较大的通信模式或者与所述多模 终端当前工作载频同频的通信模式， 或者特定的发现信号、 发现载频）发现较 难测量 /发现或者测量 /发现代价较大的通信模式（例如与所述多模终端当前工作 载频异频 /异制式的通信模式， 和 /或覆盖范围较小的通信模式）， 也意味着可以 通过优先级较低的通信模式发现优先级较高的通信模式， 特别是可以通过收费 较高的通信模式发现收费较低的通信模式，例如通过 3G或 LTE发现 WLAN或 第五代无线通信技术， 这样可以鼓励用户在收费较低的通信模式服务区内产生 更多业务流量。
实例 1、
Idle态多模终端接收（驻留 ) 小区广播的 WIFI覆盖指示信息；
或者， 连接态多模终端接收（服务） 小区发送的 WIFI覆盖指示信息。 其中， 所述覆盖指示信息可以在广播的系统信息消息中、 或者单播的消息 例如 RRC重配消息中发送给指定的多模终端。
其中， 所述指定的多模终端可以为根据自身保存的多模终端的能力， 下发 给选出的一个或多个多模终端。
进一步的， 上述多模终端根据收到所述覆盖指示信息， 发现 WIFI服务区。 实例 2、
Idle态多模终端接收（驻留） 小区广播的 IMT-2020制式覆盖指示信息； 或者， 连接态多模终端接收（服务）小区发送的 IMT-2020制式覆盖指示信 息。
其中， 所述覆盖指示信息可以在广播的系统信息消息中、 或者单播的消息 例如 RRC重配消息中发送至所述多模终端。
进一步的，所述多模终端根据收到所述覆盖指示信息，发现 IMT-2020制式 服务区。
实例 3、
处于 Idle态的多模终端接收（驻留的） FDD小区广播的 TDD模式覆盖指 示信息； 处于连接态的所述多模终端接收（服务） FDD小区发送的 TDD模式 覆盖指示信息；
所述多模终端根据收到所述覆盖指示信息， 发现 TDD模式服务区。
其中， 所述覆盖指示信息可以在广播的系统信息消息中、或者单播的消息 例如 RRC重配消息中发送给多模终端。
类似的，通过 TDD小区发送的 FDD模式覆盖指示信息， 多模终端也可以 发现 FDD模式服务区。
实例 4、
处于 Idle态的多模终端接收（驻留） 小区广播的特定小区 WIFI覆盖指示 信息， 处于连接态的多模终端接收（服务） 小区发送的特定小区 WIFI覆盖指 示信息； 其中， 所述信息可以在广播的系统信息消息中或者单播的消息例如 RRC重配消息中发送给多模终端。
其中， 所述特定小区 WIFI覆盖指示信息中， 通过小区的标识表示特定小 区， 例如物理小区标识 （ PCI )， 载频编号 （例如 E-UTRAN 绝对射频编号 EARFCN )和物理小区标识（PCI )， 全球小区标识（ Cell Global Identity, 缩写 为 CGI )。
多模终端发现特定小区 （例如通过扫描或测量， 其中包括对小区的识别过 程；)， 则多模终端发现 WIFI服务区。
类似地， 通过小区发送的特定小区特定制式或模式（例如 IMT-2020制式， 高频段通信载频 /制式， 或 TDD模式， 或 FDD模式）覆盖指示信息， 多模终端 也可以发现 IMT-2020制式服务区， 或高频段通信载频 /制式， 或 TDD模式服务 区， 或 FDD模式服务区。
实例 5、
Idle态多模终端接收（驻留 )小区广播的特定基站 WIFI覆盖指示信息； 或 者连接态多模终端接收（服务）小区发送的特定基站 WIFI覆盖指示信息； （该 信息可以被包括在广播的系统信息消息中或者单播的消息例如 RRC 重配消息 中）； 其中， 所述特定基站通过基站的标识， 例如 eNB ID或 MAC地址、 或者 基站对应的一个或多个小区的标识来指示；
多模终端发现特定基站 （例如通过扫描或测量， 其中包括对基站的识别过 程；)， 则多模终端发现 WIFI服务区。
类似地， 通过小区发送的特定基站特定制式或模式（例如 IMT-2020制式， 或高频段通信载频 /制式， 或 TDD模式， 或 FDD模式）覆盖指示信息， 多模终 端也可以发现 IMT-2020制式服务区， 或高频段通信载频 /制式， 或 TDD模式服 务区， 或 FDD模式服务区。
实例 6、
Idle态多模终端接收（驻留）小区广播的特定小区集合 WIFI覆盖指示信息， 或者连接态多模终端接收（服务） 小区发送的特定小区集合 WIFI覆盖指示信 息（该信息可以被包括在广播的系统信息消息中或者单播的消息例如 RRC重配 消息中）， 特定小区集合通过小区的标识的范围例如物理小区标识（PCI )范围， 载频编号 （例如 E-UTRAN绝对射频编号 EARFCN )和物理小区标识（PCI ) 范围， 全球小区标识（Cell Global Identity, 缩写为 CGI ) 范围来指示。
多模终端发现属于特定小区集合的小区 （例如通过扫描或测量， 其中包括 对小区的识别过程，发现一个或多个小区的标识在指示的小区标识范围内）， 则 多模终端发现 WIFI服务区。
类似地， 通过小区发送的特定小区集合特定制式或模式 （例如 IMT-2020 制式， 或高频段通信载频 /制式， 或 TDD模式， 或 FDD模式）覆盖指示信息， 多模终端也可以发现 IMT-2020制式服务区， 或高频段通信载频 /制式服务区， 或 TDD模式服务区， 或 FDD模式服务区。 类似的， 特定基站集合特定制式或 模式覆盖指示信息也可以用于帮助终端发现特定制式或模式的服务区。
实例 7、
Idle态多模终端接收 (驻留 )小区广播的特定载频 WIFI覆盖指示信息， 或 者连接态多模终端接收（服务） 小区发送的特定载频 WIFI覆盖指示信息 （该 信息可以被包括在广播的系统信息消息中或者单播的消息例如 RRC 重配消息 中）；
所述特定载频通过载频编号 （例如 E-UTRAN绝对射频编号 EARFCN ) 来 指示。
多模终端发现特定载频 (例如通过扫描或测量）， 则多模终端发现 WIFI服 务区。
类似地， 通过小区发送的特定载频特定制式或模式（例如 IMT-2020制式， 或高频段通信载频 /制式， 或 TDD模式， 或 FDD模式）覆盖指示信息， 多模终 端也可以发现 IMT-2020制式服务区， 或高频段通信载频 /制式， 或 TDD模式服 务区， 或 FDD模式服务区。
实例 8、
实例 1~3中的特定制式或模式（例如 WIFI，高频段通信载频 /制式， IMT-2020 制式， 或 TDD模式， 或 FDD模式）覆盖指示信息还可以为： 条件发现参数， 例如， 测量评估参数。
如果多模终端将服务小区 （或驻留小区） 的信号接收功率（例如 RSRP )、 和 /或信号接收质量（RSRQ )、 或信号接收强度（RSSI )与所述测量评估参数进 行比较， 满足指定条件， 多模终端发现特定制式或模式的服务区。 其中， 所述 指定条件可以为： RSRP>测量评估参数时。
实例 9、
实例 4~7中特定制式或模式（例如 WIFI， IMT-2020制式， 高频段通信载 频 /制式， 或 TDD模式， 或 FDD模式 )覆盖指示信息还可以为： 条件发现参数， 例如测量评估参数。
在多模终端发现特定小区、 或特定小区集合、 或特定基站、 或特定基站集 合、 或特定载频过程中， 若满足指定条件， 则确定多模终端发现特定制式或模 式的服务区。
其中， 所述满足指定条件为： 将小区或基站或载频的信号接收功率 （例如 RSRP )、 和 /或信号接收质量（RSRQ )或信号接收强度（RSSI ) 与测量评估参 数进行比较， 满足特定条件（例如 RSRP>测量评估参数时）或者一组条件（例 如针对图 X的场景， 小区 A的 RSRP<测量评估参数 1， 小区 B的 RSRP<测量 评估参数 2 )。
实例 10、
实例 4~7、 以及实例 9中的覆盖指示信息来自于接入网 （例如小区 /基站） 的消息， 实际上， 多模终端也可以从核心网网元例如 ANDSF ( Active Network Discovery and Selection Function )接收类似的覆盖指示信息（这些信息从核心网 产生， 经接入网发送给终端）， 以发现特定制式或模式（例如 WIFI， IMT-2020 制式， 高频段通信载频 /制式， 或 TDD模式， 或 FDD模式）的服务区， 在此不 再赘述。
实例 11、
实例 1~10中的覆盖指示信息还可以包括覆盖率或发现概率，以指示特定制 式或模式被发现的区域中， 有特定制式或模式的实际覆盖的区域的比例 （或者 比例是高、 中还是低）。
例如， WIFI覆盖指示信息中还包括覆盖率 80%， 意味着如果通过上述的方 法发现 WIFI的服务区域， 实际有 WIFI覆盖的区域占 80%， 或者说如果通过上 述的方法发现 WIFI的服务区域，实际通过扫描 WIFI AP后的可接入概率占 80% (从这个意义上， 覆盖率相当于实际发现和名义发现的比值， 即发现概率）。
覆盖率可以用于辅助多模终端或者用户进行后续判断和决策。 例如多模终 端根据覆盖率， 判断是否启动对特定制式或特定模式的扫描 /测量（例如多模终 端在覆盖率高于特定的门限时才启动扫描 /测量， 又例如， 多模终端产生一个随 机数， 当覆盖率大于随机数时启动扫描 /测量， 随机数的产生可能是周期性的或 事件触发的）；
或者确定对特定制式或特定模式的扫描 /测量的周期 /频度， 和 /或确定用于 发现特定小区 （或特定小区集或特定基站， 特定基站集， 特定载频） 的持续判 断或延迟时间 （例如只有当特定小区的测量信号强度持续 1秒钟高于特定门限 时才认为发现了特定制式或特定模式的服务区， 或者只有当发现特定小区 1秒 钟以后才认为发现了特定制式或特定模式的服务区）。覆盖率还可以通过用户界 面提供给用户， 以便用户决定是否启动特定制式或模式的通信模块。
实例 12、
实例 1~10 中的覆盖指示信息还可以包括用于控制对特定制式 /模式的发现 或发现的后续处理的数值参数， 多模终端在数值参数高于特定的门限时才认为 发现了特定制式 /模式的服务区， 或进一步启动扫描 /测量， 又例如， 多模终端产 生一个随机数， 当数值参数大于随机数时认为发现了特定制式 /模式的服务区或 启动扫描 /测量， 随机数的产生可能是周期性的或事件触发的。 覆盖指示信息还 可以包括用于确定对特定制式或特定模式的扫描 /测量的周期 /频度的参数， 和 / 或用于确定发现特定小区（或特定小区集或特定基站， 特定基站集， 特定载频） 后的持续发现时间或延迟时间的参数（例如只有当发现特定小区 1秒钟以后才 认为发现了特定制式或特定模式的服务区）。
实例 13、
实例 1~11 中的方法中， 特定制式 /模式的覆盖指示信息还可以进一步包括 特定制式 /模式的频段信息（例如 WIFI的 2.4G频段， 5G频段， IMT频谱的 Band 号）、 载频信息 （例如 EARFCN )、 小区信息、 服务集（Service Set )信息、 运 营网络信息 （例如 PLMN标识）； 还可以包括特定制式 /模式的负载信息， 能力 信息， 节能状态信息， 以用于终端或用户的后续判断或决策等的处理， 例如终 端提前判断是否可以接入该制式 /模式。
在不矛盾的情况下， 以上实例的方法可以进行组合。 在某些场景中 （例如 设备到设备通信、 邻近通信、 中继通信中）， 用户设备也能作为接入点以中转网 络与所述多模终端之间或者所述多模终端与所述多模终端之间的数据或者直接 与其它用户设备交互数据， 作为接入点的多模用户设备也适用于本发明中发现 多模基站 /多模接入点的方法。
以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保护范 围。

Claims

权利要求书
1、 一种辅助多模终端发现通信机会的方法， 该方法包括：
多模终端接收网络侧发来的与第二通信模式相关的覆盖指示信息； 所述多模终端根据所述覆盖指示信息，发现基于第二通信模式的通信机会。
2、根据权利要求 1所述的方法， 其中， 所述多模终端接收网络侧发来的与 第二通信模式相关的覆盖指示信息， 包括：
多模终端接收服务基站发来的多模基站的第一通信模式与第二通信模式共 覆盖的覆盖指示信息。
3、 根据权利要求 2所述的方法， 其中， 所述方法还包括： 多模终端测 量多模基站的第一通信模式信号。
4、 根据权利要求 3所述的方法， 其中，
所述第一通信模式为： 所述多模终端的当前工作载频或制式； 所述第一通 信模式信号包括但不限于： 同步信号、 发现信号、 参考信号、 信标；
所述第二通信模式为： 除所述第一通信模式外， 一个或多个载频和 /或一个 或多个制式。
5、根据权利要求 4所述的方法， 其中， 所述多模基站的第一通信模式与第 二通信模式共覆盖的覆盖指示信息为：
多模基站的多个载频和 /或多个制式的小区或接入点的信息， 其中包括基站 标识、 和 /或地理位置标识信息、 和 /或覆盖信息；
或者， 通过共站或共覆盖的小区 /接入点的标识或标识范围来指示； 或者， 通过小区 /接入点的能力信息来指示；
或者， 两个或多个共站或共覆盖且同一运营商的载频和 /或制式。
6、 根据权利要求 5所述的方法， 其中，
所述覆盖指示信息还指示接收信号功率修正值；
所述发现基于第二通信模式的通信机会， 包括： 所述多模终端使用所述修 正值、 和第一通信模式信号测量结果结合， 判断是否能基于第二通信模式进行 通信。
7、根据权利要求 5所述的方法， 其中， 所述发现基于第二通信模式的通信 机会， 包括：
所述多模终端才艮据对所述多模基站的第一通信模式信号测量结果， 对所述 第二通信模式信号进行测量， 以判断是否能基于第二通信模式进行通信；
或者， 所述多模终端向服务基站上报测量结果， 所述服务基站根据所述测 量结果， 为所述多模终端配置第二通信模式信号测量，和 /或服务基站切换 /重定 向所述多模终端到第二通信模式， 和 /或网络侧使用第一和第二通信模式与所述 多模终端进行联合传输；
或者， 所述多模终端向服务基站发送消息， 服务基站根据所述消息为所述 多模终端配置对第二通信模式的测量， 和 /或服务基站根据所述消息判断是否向 所述多模终端发现的多模基站发送消息； 其中， 所述多模终端向服务基站发送 的消息包括以下至少之一： 靠近第二通信模式的服务范围的指示信息， 对第一 通信模式信号的测量结果， 推算的第二通信模式的信号的测量结果；
或者， 所述多模终端自动选择使用第二通信模式进行通信；
或者， 所述多模终端提示用户所述多模基站的第二通信模式可服务， 根据 用户手动选择结果使用第二通信模式进行通信。
8、根据权利要求 2所述的方法， 其中， 所述多模终端接收服务基站发来的 多模基站的第一通信模式与第二通信模式共覆盖的覆盖指示信息之前， 该方法 还包括：
所述服务基站通过预先配置、 或者通过网管系统、 或者通过基站间接口， 获得相邻基站为多模基站的信息、 或者获得相邻的多个小区共站或共覆盖的信 息。
9、根据权利要求 1所述的方法， 其中， 所述第二通信模式相关的覆盖指示 信息包括： 覆盖率。
10、 根据权利要求 9所述的方法， 其中， 所述覆盖率用于辅助多模终端或 者用户进行后续判断； 所述判断的方法包括以下至少之一：
多模终端根据覆盖率， 判断是否启动对第二通信模式信号的扫描 /测量； 多模终端根据覆盖率， 确定对第二通信模式信号的扫描 /测量的周期 /频度， 和 /或确定用于发现第二通信模式服务区的持续判断时间；
多模终端将覆盖率提供给用户， 以便用户决定是否启动特定制式或模式的 通信模块。
11、 根据权利要求 9所述的方法， 其中， 所述第二通信模式相关的覆盖指 示信息包括： 小区或小区集合信息； 或者， 载频信息； 或者， 特定制式 /模式的 频段信息、 载频信息、 小区信息、 服务集信息、 运营网络信息。
12、 根据权利要求 9所述的方法， 其中， 所述第二通信模式相关的覆盖指 示信息还包括以下至少之一： 测量评估参数信息， 负载信息， 能力信息， 节能 状态信息。
13、 根据权利要求 11所述的方法， 其中， 所述多模终端根据所述覆盖指示 信息， 发现基于第二通信模式的通信机会， 包括：
所述覆盖指示信息与多模终端的服务小区默认关联， 则多模终端发现第二 通信模式的服务区；
或者， 如果所述多模终端发现所述覆盖指示信息中的小区或小区集合中的 小区， 则多模终端发现第二通信模式的服务区；
或者， 如果所述多模终端发现所述覆盖指示信息中指示的载频， 则多模终 端发现第二通信模式的服务区；
或者， 多模终端根据测量评估参数信息， 判断是否发现第二通信模式的服 务区。
14、 根据权利要求 11 所述的方法， 其中， 多模终端根据特定制式 /模式的 频段信息、 载频信息、 小区信息、 服务集信息、 运营网络信息， 负载信息， 能 力信息， 节能状态信息， 判断是否可以基于第二通信模式进行通信。
15、 根据权利要求 9所述的方法， 其中， 所述第二通信模式至少包括以下 之一： WIFI， IMT-2020通信制式， 高频段通信载频 /制式， FDD通信模式， TDD 通信模式。
16、 一种多模终端， 所述多模终端包括： 收发模块和操作模块； 其中， 收发模块， 配置为接收与第二通信模式相关的覆盖指示信息；
操作模块， 配置为根据收发模块收到的所述覆盖指示信息， 发现基于第二 通信模式的通信机会。
17、 根据权利要求 16所述的多模终端， 其中，
所述收发模块， 配置为接收服务基站发来的多模基站的第一通信模式与第 二通信模式共覆盖的覆盖指示信息。
18、 根据权利要求 17所述的多模终端， 其中， 所述多模终端还包括： 测量 模块， 配置为测量多模基站的第一通信模式信号； 相应的， 所述操作模块， 还用于接收测量模块获取的第一通信模式的测量结果。
19、 根据权利要求 18所述的多模终端， 其中，
所述第一通信模式为： 与所述多模终端的当前工作载频或制式相同的载频 或制式信号； 其中， 所述信号包括但不限于： 同步信号、 发现信号、 参考信号、 信标；
所述第二通信模式为： 除所述第一通信模式外， 一个或多个载频和 /或一个 或多个制式。
20、根据权利要求 19所述的多模终端， 其中， 所述多模基站的第一通信模 式与第二通信模式共覆盖的覆盖指示信息为：
多模基站的多个载频和 /或多个制式的小区或接入点的信息， 其中包括基站 标识、 和 /或地理位置标识信息、 和 /或覆盖信息；
或者， 通过共站或共覆盖的小区 /接入点的标识或标识范围来指示； 或者， 通过小区 /接入点的能力信息来指示；
或者， 两个或多个共站或共覆盖且同一运营商的载频和 /或制式。
21、 根据权利要求 20所述的多模终端， 其中，
所述操作模块， 配置为使用所述修正值、 和测量的接收信号功率结合， 判 断是否通过多模基站的第二通信模式与所述多模基站进行通信。
22、 根据权利要求 21所述的多模终端， 其中，
所述操作模块，配置为根据对所述多模基站的第一通信模式信号测量结果， 对所述第二通信模式信号进行测量，以判断是否能基于第二通信模式进行通信； 或者， 向服务基站上报测量结果， 所述服务基站根据所述测量结果， 为所 述多模终端配置第二通信模式信号测量，和 /或服务基站切换 /重定向到第二通信 模式， 和 /或与网络侧使用第一和第二通信模式进行联合传输；
或者， 向服务基站发送消息， 服务基站根据所述消息为配置对第二通信模 式的测量， 和 /或服务基站根据所述消息判断是否向发现的多模基站发送消息； 其中， 向服务基站发送的消息包括以下至少之一： 靠近第二通信模式的服务范 围的指示信息， 对第一通信模式信号的测量结果， 推算的第二通信模式的信号 的测量结果；
或者， 自动选择使用第二通信模式进行通信；
或者， 提示用户所述多模基站的第二通信模式可服务， 根据用户手动选择 结果使用第二通信模式进行通信。
23、 根据权利要求 17所述的多模终端， 其中，
所述操作模块， 配置为接收服务基站发来的多模基站的第一通信模式与第 二通信模式共覆盖的覆盖指示信息之前， 所述服务基站通过预先配置、或者通 过网管系统、 或者通过基站间接口， 获得相邻基站为多模基站的信息、 或者获 得相邻的多个小区共站或共覆盖的信息。
24、 根据权利要求 16所述的多模终端， 其中， 所述覆盖指示信息包括： 覆 盖率。
25、 根据权利要求 24所述的多模终端， 其中， 所述操作模块， 具体用于根 据所述覆盖率辅助进行后续判断；
所述判断的方法包括以下至少之一：
根据覆盖率， 判断是否启动对第二通信模式信号的扫描 /测量；
根据覆盖率， 确定对第二通信模式信号的扫描 /测量的周期 /频度， 和 /或确 定用于发现第二通信模式服务区的持续判断时间； 将覆盖率提供给用户，以便用户决定是否启动特定制式或模式的通信模块。
26、 根据权利要求 24所述的多模终端， 其中， 所述覆盖指示信息包括： 小 区或小区集合信息； 或者， 载频信息； 或者， 特定制式 /模式的频段信息、 载频 信息、 小区信息、 服务集信息、 运营网络信息。
27、根据权利要求 24所述的多模终端， 其中， 所述第二通信模式相关的覆 盖指示信息还包括以下至少之一： 测量评估参数信息， 负载信息， 能力信息， 节能状态信息。
28、 根据权利要求 26所述的多模终端， 其中，
所述处理模块， 配置为所述覆盖指示信息与服务小区默认关联， 则发现第 二通信模式的服务区；
或者， 如果发现所述覆盖指示信息中的小区或小区集合中的小区， 则发现 第二通信模式的服务区；
或者， 如果发现所述覆盖指示信息中指示的载频， 则发现第二通信模式的 服务区；
或者， 根据测量评估参数信息， 判断是否发现第二通信模式的服务区。
29、 根据权利要求 25所述的多模终端， 其中，
所述处理模块， 配置为根据特定制式 /模式的频段信息、 载频信息、 小区信 息、 服务集信息、 运营网络信息， 负载信息， 能力信息， 节能状态信息， 判断 是否可以基于第二通信模式进行通信。
30、根据权利要求 25所述的多模终端， 其中， 所述第二通信模式至少包括 以下之一： WIFI, IMT-2020通信制式， 高频段通信载频 /制式， FDD通信模式， TDD通信模式。
31、 一种基站， 所述基站包括： 发送模块， 配置为发送与第二通信模式相 关的覆盖指示信息。
32、 根据权利要求 31所述的基站， 其中，
所述发送模块， 配置为发送多模基站的第一通信模式与第二通信模式共覆 盖的覆盖指示信息； 或者， 发送第二通信模式的覆盖率。
33、 一种辅助多模终端发现通信机会的系统， 其中， 所述系统包括： 多 终端及服务基站； 其中，
所述多模终端为权利要求 16-30任一项所述的多模终端；
所述服务基站为权利要求 31或 32所述的基站。
PCT/CN2014/077706 2013-08-05 2014-05-16 一种辅助多模终端发现通信机会的方法、系统及设备 WO2014169872A1 (zh)

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