WO2015184872A1 - 一种实现无线接入的方法及系统 - Google Patents

一种实现无线接入的方法及系统 Download PDF

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Publication number
WO2015184872A1
WO2015184872A1 PCT/CN2015/073415 CN2015073415W WO2015184872A1 WO 2015184872 A1 WO2015184872 A1 WO 2015184872A1 CN 2015073415 W CN2015073415 W CN 2015073415W WO 2015184872 A1 WO2015184872 A1 WO 2015184872A1
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Prior art keywords
access system
wireless
radio access
wireless terminal
base station
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PCT/CN2015/073415
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English (en)
French (fr)
Inventor
丛文
覃磊
张庆治
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中兴通讯股份有限公司
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Publication of WO2015184872A1 publication Critical patent/WO2015184872A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks

Definitions

  • the invention relates to the field of wireless communications, and in particular to a method and system for implementing wireless access.
  • each wireless communication system is allocated a corresponding working frequency band, and the system works by performing work planning in the allocated working frequency band.
  • communication systems need to provide increasingly higher data transmission rates to meet the increasing communication needs of users.
  • LTE Long Term Evolution
  • the two main communication modes include Frequency Division Duplex (FDD) and Time Division Duplex (TDD).
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • the FDD is to enable the uplink and downlink reception of the wireless terminal to be performed in different frequency bands, and the uplink and downlink data transmission can be performed simultaneously
  • the TDD is to enable the uplink and downlink data transmission of the wireless terminal to be performed at different times, at the same time. Uplink transmission and downlink reception cannot occur at the same time.
  • the LTE system network can be divided into two system networks: FDD and TDD.
  • the FD FDD system network and the terminal work in the FDD frequency band
  • the TDD system network works in the TDD frequency band.
  • each base station may be configured with multiple carriers, and the wireless terminal may also be configured and use multiple carriers.
  • the carrier is divided into a primary component (PCC) and a secondary component carrier (SCC).
  • PCC primary component
  • SCC secondary component carrier
  • the primary carrier is a carrier that provides a complete service to the wireless terminal in the carrier aggregation, and the wireless terminal can work normally only by the primary carrier; the secondary carrier is introduced into the LTE-Advanced standard to expand the working bandwidth of the LTE device and provide the throughput rate.
  • a user terminal (UE) that aggregates multiple carriers can perform data transmission on multiple carriers.
  • UE user terminal
  • only a plurality of carriers in the FDD mode or multiple carriers in the TDD mode can be aggregated.
  • the ordinary wireless terminal can only reside in the frequency band of FDD or TDD at the same time, and cannot communicate with both communication modes of FDD and TDD at the same time, resulting in low utilization of spectrum resources and unable to meet the bandwidth requirement of large throughput applications. .
  • an ordinary user terminal can only reside in the frequency band of FDD or TDD at the same time, and cannot use FDD and TDD to communicate at the same time, so that the spectrum resource utilization is low, and the bandwidth requirement of the large throughput rate cannot be met.
  • the embodiment of the present invention provides a method and system for implementing wireless access, which can improve the utilization of spectrum resources and meet the bandwidth requirement of a large throughput rate while simultaneously using FDD and TDD for communication. .
  • an embodiment of the present invention provides a method for implementing wireless access, where at least four antennas are set for a wireless terminal, including:
  • the wireless terminal After the wireless terminal accesses the first wireless access system, it determines whether the wireless terminal accesses another wireless access system through the configured system frequency band carrier.
  • the first wireless access system is: prior to the wireless terminal accessing the wireless access system, according to priorities, and/or signal strengths, and/or signals of the wireless access system networks. Quality-determined wireless access system.
  • the other wireless access system is a second wireless access system
  • the system band carrier configured to configure different communication modes for the wireless terminal specifically includes:
  • the base station configured by the base station of the first radio access system is a specific carrier of a long-term evolution technology-frequency division duplex LTE-FDD communication mode
  • the base station of the first radio access system is configured for the radio terminal.
  • the second radio access system carrier is a specific carrier of the long term evolution technology-time division duplex LTE-TDD communication mode;
  • the base station of the first radio access system is a specific carrier of the LTE-TDD communication mode
  • the base station of the first radio access system is a second radio access system carrier configured by the radio terminal A specific carrier for the LTE-FDD communication mode.
  • the base station of the first radio access system is a specific carrier of the second radio access system configured by the radio terminal, and specifically includes:
  • the base station of the first radio access system configures a measurement reporting event and a measurement threshold for the wireless terminal, so that the wireless terminal detects that there is an available second wireless according to the configured measurement reporting event and the measurement threshold.
  • the measurement information is reported to the base station of the first radio access system;
  • the base station configures a specific carrier of the second radio access system for the wireless terminal according to the reported measurement information, so that the wireless terminal can access the second radio access system.
  • the determining whether the wireless terminal accesses another wireless access system specifically includes:
  • the wireless terminal searches for a cell of the second radio access system according to the RRC reconfiguration information, and measures the cell signal strength and the signal quality of the cell of the second radio access system that is searched, and the measurement result satisfies the RRC reconfiguration information. Transmitting, by the base station, signal strength and signal quality information including a second radio access system cell;
  • the base station After receiving the reported measurement information, the base station determines whether to allow the wireless terminal to access the second wireless according to current load conditions, signal strengths, and signal quality conditions of the first wireless access system and the second wireless access system. Access system; if allowed, access;
  • the RRC reconfiguration information includes at least an access threshold information of the second radio access system, a cell physical identifier corresponding to the specific carrier, a cell index, and specific carrier frequency point information of the cell;
  • the cell physical identity and the cell index uniquely identify a cell.
  • the method further includes: the wireless terminal periodically reporting the measurement information to the base station of the first wireless access system.
  • the method further includes:
  • the base station of the first radio access system sends an RRC connection reconfiguration message to the radio terminal, to specify that the radio terminal accesses the second radio access according to the judgment that the radio terminal allows access to the second radio access system
  • the specific carrier frequency of the specific carrier, cell, and cell of the system, and the wireless terminal accesses the second wireless access system.
  • the other wireless access system is a second wireless access system
  • the determining whether to allow the wireless terminal to access other wireless access systems specifically includes:
  • the wireless terminal Detecting, by the wireless terminal itself, a specific carrier of the first radio access system and a specific carrier of the second radio access system, when the specific carrier of the first radio access system and the second radio access system When the signal strength of the specific carrier satisfies the access condition, the wireless terminal accesses the first wireless access system and the second wireless access system.
  • the method further includes:
  • the base station configures, for the wireless terminal, a duration, a bandwidth, and an uplink and downlink transmission mode of a specific carrier of the second radio access system.
  • the other wireless access system is a second wireless access system
  • the method further includes:
  • the base station and the wireless terminal are configured according to a subframe configuration that can be used by the wireless terminal in a radio frame of the second radio access system, and optionally a duration of using the second radio access system in a second Wireless access system.
  • the configuring, by the base station, the uplink and downlink transmission mode of the specific carrier of the second radio access system for the wireless terminal specifically:
  • the base station sends the RRC reconfiguration message to notify the wireless terminal that the specific carrier of the second radio access system is to be used for the uplink carrier, the downlink carrier, or the uplink and downlink alternate carriers.
  • the uplink and downlink transmission modes of the second radio access system are specifically configured as follows:
  • the communication mode of the first radio access system is LTE-TDD and the communication mode of the second radio access system is LTE-FDD, configuring downlink carrier transmission downlink data and second radio connection of the second radio access system
  • the uplink carrier of the system transmits uplink data, and the transmission mode is FDD;
  • the communication mode of the first radio access system is LTE-FDD and the communication mode of the second radio access system is LTE-TDD
  • configuring downlink subframes of the second radio access system to transmit downlink data and second radio configuring downlink subframes of the second radio access system to transmit downlink data and second radio
  • the uplink subframe of the access system transmits uplink data; the ratio of the uplink subframe and the downlink subframe is determined by the base station.
  • the other wireless access system is a second wireless access system; the method further includes:
  • the base station of the first radio access system performs inter-system scheduling on bandwidth and usage duration resources of the first radio access system and the second radio access system.
  • the embodiment of the present invention further provides a system for implementing wireless access, including: one or more wireless terminals, a first wireless access system, and one or more other wireless access systems;
  • a wireless terminal configured with at least four antennas, configured to construct corresponding MIMO channels in different communication modes with the set antennas; and determine respective MIMO channels of the wireless terminals for each wireless access system;
  • the first wireless access system includes a base station, configured to configure a system band carrier of different communication modes for the wireless terminal by using the base station; after accessing the first wireless access system, determine whether the wireless terminal is configured by using the configured system band carrier Access to other wireless access systems;
  • the other wireless access system is configured to determine, according to the base station of the first wireless access system, whether to allow the wireless terminal to access, and the other wireless access system is the second wireless access system.
  • the first wireless access system is: the wireless terminal determines, according to the priority, and/or signal strength, and/or signal quality of each wireless access system network, prior to accessing the wireless terminal. Access to the system.
  • the base station in the first radio access system is specifically configured to: configure, for the radio terminal, a carrier of the first radio access system as a specific carrier of a long-term evolution technology-frequency division duplex LTE-FDD communication mode.
  • the wireless terminal After the wireless terminal accesses the first wireless access system, it determines whether the wireless terminal accesses another wireless access system by using the configured system frequency band carrier.
  • the base station in the first radio access system is specifically configured to: configure a measurement reporting event and a measurement threshold for the wireless terminal, so that the wireless terminal performs the measurement reporting event and the measurement threshold according to the configuration.
  • the specific carrier of the second wireless access system is available, the measurement information is reported to the base station of the first wireless access system;
  • the first radio access system is specifically configured to: configure, by using a base station, a system band carrier of a different communication mode for the wireless terminal; after accessing the first radio access system, by configuring the system band carrier, Transmitting, by the wireless terminal, radio resource control protocol (RRC) reconfiguration information, and receiving, by the radio terminal, signal strength and signal quality information of the second radio access system cell, combining the first radio access system and the second radio access
  • RRC radio resource control protocol
  • the wireless terminal is further configured to: search for a cell of the second radio access system according to the RRC reconfiguration information; and measure a cell signal strength and a signal quality of the cell of the searched second radio access system, when the measurement result is satisfied
  • the minimum access threshold in the RRC reconfiguration information is used, the signal strength and signal quality information including the second radio access system cell are sent to the base station; when allowed, according to the specific carrier that is designated to access the second radio access system, The specific carrier frequency of the cell and the cell is accessed;
  • the RRC reconfiguration information includes at least an access threshold information of the second radio access system, a cell physical identifier corresponding to the specific carrier, a cell index, and RRC reconfiguration information of a specific carrier frequency of the cell;
  • the cell physical identity and the cell index uniquely identify a cell.
  • the base station in the first radio access system is further configured to: when the base station determines that the radio terminal is allowed to access the second radio access system, send an RRC connection reconfiguration message to the wireless terminal, to According to determining that the wireless terminal allows access to the second wireless access system, the specified wireless carrier accesses the specific carrier frequency of the specific carrier, the cell, and the cell of the second wireless access system, and the wireless The terminal accesses the second wireless access system.
  • the wireless terminal is further configured to report the measurement information to the base station of the first radio access system periodically when it is determined that the wireless terminal is not allowed to access the second radio access system. And accessing the second wireless access system according to a specific carrier frequency of a specific carrier, a cell, and a cell that are designated to access the second wireless access system.
  • the wireless terminal is further configured to detect, by itself, a specific carrier of the first wireless access system and a specific carrier of the second wireless access system, when the first wireless access system is specific When the signal strengths of the carrier and the specific carrier of the second wireless access system satisfy the access condition, the accessing the first wireless access system and the second wireless access system.
  • the base station in the first radio access system configures the specific carrier of the second radio access system for the wireless terminal
  • the base station is further configured to: configure a specific carrier of the second radio access system for the wireless terminal. Duration, bandwidth, and uplink and downlink transmission modes.
  • the base station in the first radio access system is further configured to: after the wireless terminal accesses the second radio access system,
  • the configuring, by the base station in the first radio access system, the uplink and downlink transmission mode of the specific carrier of the second radio access system for the radio terminal specifically:
  • the base station sends the RRC reconfiguration message to notify the wireless terminal that the specific carrier of the second radio access system is to be used for the uplink carrier, the downlink carrier, or the uplink and downlink alternate carriers.
  • the uplink and downlink transmission modes of the second radio access system are specifically configured as follows:
  • the communication mode of the first radio access system is LTE-TDD and the communication mode of the second radio access system is LTE-FDD, configuring downlink carrier transmission downlink data and second radio connection of the second radio access system
  • the uplink carrier of the system transmits uplink data, and the transmission mode is FDD;
  • the communication mode of the first radio access system is LTE-FDD and the communication mode of the second radio access system is LTE-TDD
  • configuring downlink subframes of the second radio access system to transmit downlink data and second radio configuring downlink subframes of the second radio access system to transmit downlink data and second radio
  • the uplink subframe of the access system transmits uplink data; the ratio of the uplink subframe and the downlink subframe is determined by the base station.
  • the base station is further configured to perform inter-system scheduling on bandwidth and usage duration resources of the first radio access system and the second radio access system.
  • the technical solution provided by the embodiment of the present invention includes: setting at least four antennas for the wireless terminal; constructing corresponding MIMO channels in different communication modes of the wireless terminal by using the set antenna; determining for each wireless access system a MIMO channel of the respective wireless terminal, and configuring, by the base station of the first wireless access system, a system band carrier of different communication modes for the wireless terminal; after the wireless terminal accesses the first wireless access system, the configured system band carrier is configured, Determine if the wireless terminal is allowed to access other wireless access systems.
  • the base station of the first wireless access system configures the system frequency band carrier for the wireless terminal; after the wireless terminal accesses the first wireless access system, when other wireless access systems allow, The wireless terminal simultaneously accesses other wireless access systems, thereby realizing that the wireless terminal works in different communication modes at the same time, thereby improving spectrum resource utilization, thereby satisfying the bandwidth requirement of a larger throughput application.
  • FIG. 1 is a flowchart of a method for implementing wireless access according to an embodiment of the present invention
  • FIG. 2 is a structural block diagram of a system for implementing wireless access according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for implementing wireless access according to an embodiment of the present invention, including: setting at least four antennas for a wireless terminal, as shown in FIG.
  • Step 100 Construct a corresponding multiple input multiple output (MIMO) channel in different communication modes of the wireless terminal by using the set antenna, that is, different antennas correspond to different communication modes.
  • MIMO multiple input multiple output
  • Step 101 Determine a MIMO channel of each wireless terminal for each wireless access system, and configure a system band carrier of a different communication mode for the wireless terminal by the base station of the first wireless access system.
  • the first wireless access system is: the wireless access determined by the wireless terminal according to the priority, and/or signal strength, and/or signal quality of each wireless access system network before accessing the wireless access system. system.
  • the first wireless access system herein is a wireless access system that comprehensively considers the priority of the network of each wireless access system, and/or the signal strength, and/or signal quality.
  • wireless access systems other wireless access systems other than the first wireless access system in each wireless access system are referred to as a second wireless access system.
  • wireless access systems may also be wireless access systems that are accompanied by other communication modes generated by the development of communication technologies.
  • wireless access systems such as the third wireless access system
  • the wireless terminals are connected.
  • the method of incorporation can be extended in accordance with the method of the present invention.
  • the system band carrier configured to configure different communication modes for the wireless terminal specifically includes:
  • the base station configured by the base station of the first radio access system is a specific carrier of the Long Term Evolution Technology-Frequency Division Duplex (LTE-FDD) communication mode
  • the base station of the first radio access system is configured for the radio terminal.
  • the second wireless access system carrier is a specific carrier of a long term evolution technology-time division duplex (LTE-TDD) communication mode;
  • the second radio access system carrier configured by the base station of the first radio access system for the radio terminal is LTE-FDD The specific carrier of the communication mode.
  • the base station of the first radio access system is a specific carrier of the second radio access system configured by the radio terminal, and specifically includes:
  • the base station configures a measurement reporting event and a measurement threshold for the wireless terminal, so that the wireless terminal is configured according to the Setting the measurement reporting event and the measurement threshold value, when detecting that there is a specific carrier of the second wireless access system available, reporting the measurement information to the base station of the first wireless access system;
  • the base station configures a specific carrier of the second wireless access system for the wireless terminal according to the reported measurement information, so that the wireless terminal can access the second wireless access system.
  • Step 102 After the wireless terminal accesses the first wireless access system, determine whether the wireless terminal accesses another wireless access system by using the configured system frequency band carrier.
  • the other wireless access system is the second wireless access system.
  • determining whether the wireless terminal accesses another wireless access system may specifically include:
  • the base station sends RRC reconfiguration information to the wireless terminal
  • the wireless terminal searches for a cell of the second radio access system according to radio resource control (RRC) reconfiguration information; and measures cell signal strength and signal quality of the cell of the second radio access system that is searched, when the measurement result satisfies RRC Transmitting, by the base station, signal strength and signal quality information including a cell of the second radio access system when the minimum access threshold is reconfigured;
  • RRC radio resource control
  • the base station After receiving the reported measurement information, the base station determines whether to allow the wireless terminal to access the second wireless access system according to the current load condition, signal strength, and signal quality status of the first wireless access system and the second wireless access system; And accessing; otherwise, the wireless terminal periodically reports the measurement information to the base station of the first wireless access system; wherein the load condition is determined by the base station; the signal strength and the signal quality may be set to an access threshold, the two The threshold of the parameter should be at least higher than the minimum dwell threshold of the second radio access system. For example, suppose the signal strength of the second radio access system has a minimum dwell threshold of -120 dBm, and the minimum signal dwell threshold is -20 dB. , then the signal strength access threshold can be set to -110dBm, and the signal quality access threshold is set to -15dB.
  • the base station of the first wireless access system sends an RRC connection reconfiguration message to the wireless terminal to determine the basis for the wireless terminal to allow access to the second wireless access system.
  • the wireless terminal Specifying, by the wireless terminal, a specific carrier frequency of a specific carrier, a cell, and a cell of the second wireless access system, and the wireless terminal accesses the second wireless access system;
  • the RRC reconfiguration information includes at least an access threshold information of the second radio access system, a cell physical identifier corresponding to the specific carrier, a cell index, and RRC reconfiguration information of a specific carrier frequency of the cell;
  • the cell physical identity and the cell index uniquely identify a cell.
  • the RRC reconfiguration message is extended based on the existing Radio Resource Config Dedicated configuration cell, for example, the Second System Cell To Add Mod List is expanded.
  • each element of the expanded content is a structure of a Second System Cell To Add Mod, and the structure includes content of the second radio access system cell index value, the cell identifier, and the second radio access system cell common.
  • Radio resource configuration information a specific radio resource configuration of a second radio access system cell; wherein the cell identifier includes a physical identifier of the cell and a downlink carrier frequency band (for the second radio access system, an LTE-FDD system) or a carrier frequency band (For the second wireless access system is LTE-TDD).
  • the content of the Second System Cell To Add Mod identifies the basic attributes of a cell, corresponding to a unique cell.
  • the access threshold information of the second radio access system is information existing in the system, such as a q-RxLevMin cell, where the cell includes a minimum access threshold of the second radio access system. 2. Since the base station is the base station of the first radio access system, the current load condition, signal strength, and signal quality status of the first radio access system can be directly obtained. According to the prior art, the base station can also directly obtain the second radio connection. The load into the system.
  • the wireless terminal when the load of the second radio access system is too large, the wireless terminal should not be allowed to access the second radio access system; the standard definition of the system load situation is determined by those skilled in the art in combination with actual network usage and communication quality;
  • the wireless terminal continues to periodically measure the second wireless access system, that is, periodically determines whether to access the second wireless access system, where the period is set according to the specific conditions of the system, and the setting of the period belongs to those skilled in the art. Common sense. 3.
  • the wireless terminal obtains the specific carrier and the cell of the second wireless access system, the wireless terminal can access the second wireless access system according to the foregoing content, and the conventional technical means belonging to those skilled in the art are specifically implemented.
  • determining whether the wireless terminal accesses another wireless access system may further include:
  • the specific carrier of the first radio access system and the specific carrier of the second radio access system are detected by the wireless terminal itself, when the specific carrier of the first radio access system and the signal strength of the specific carrier of the second radio access system When both access conditions are met, the wireless terminal accesses the first wireless access system and the second wireless access system.
  • the method provided by the embodiment of the present invention further includes:
  • the base station configures the duration, bandwidth, and uplink and downlink transmission mode of the specific carrier of the second radio access system for the wireless terminal.
  • the method provided by the embodiment of the present invention further includes:
  • the base station and the wireless terminal are in the second wireless access system according to a subframe configuration of the second wireless access system that can be used by the wireless terminal, and optionally a duration of use of the second wireless access system.
  • the uplink and downlink transmission modes of the second wireless access system are specifically configured as follows:
  • the communication mode of the first wireless access system is LTE-TDD and the communication mode of the second wireless access system is LTE-FDD, configuring downlink carrier transmission downlink data and second wireless access system of the second wireless access system
  • the uplink carrier transmits uplink data, and the transmission mode is FDD;
  • the communication mode of the first radio access system is LTE-FDD and the communication mode of the second radio access system is LTE-TDD
  • configuring downlink subframes of the second radio access system to transmit downlink data and second radio access The uplink subframe of the system transmits uplink data; the ratio of the uplink subframe and the downlink subframe is determined by the base station.
  • the method provided by the embodiment of the present invention further includes: performing, by the base station of the first radio access system, inter-system scheduling on bandwidth and usage duration resources of the first radio access system and the second radio access system.
  • inter-system scheduling refers to the inter-system scheduling based on the resource status of the specific carrier and the usage duration of the radio access system, and how to perform scheduling according to the resource status of the specific carrier and the usage duration of the radio access system.
  • the technical means are not limited to the scope of protection of the present invention, and will not be described herein.
  • the base station of the first wireless access system configures the system frequency band carrier for the wireless terminal; after the wireless terminal accesses the first wireless access system, the other wireless access is performed.
  • the wireless terminal accesses other wireless access systems at the same time, which realizes that the wireless terminal works in different communication modes at the same time, and improves the spectrum resource utilization, thereby meeting the bandwidth requirement of the larger throughput application.
  • FIG. 2 is a structural block diagram of a system for implementing wireless access according to the present invention. As shown in FIG. 2, the method includes: one or more wireless terminals, a first wireless access system, and one or more other wireless accesses. System; among them,
  • a wireless terminal configured with at least four antennas, configured to construct corresponding MIMO channels in different communication modes with the set antennas; and determine respective MIMO channels of the wireless terminals for each wireless access system;
  • the first wireless access system includes a base station, configured to configure a system band carrier of different communication modes for the wireless terminal by using the base station; after accessing the first wireless access system, determine whether the wireless terminal is configured by using the configured system band carrier Access to other wireless access systems;
  • the other wireless access system is a second wireless access system.
  • the base station in the first radio access system is specifically configured to configure, for the radio terminal, a carrier of the first radio access system to be a specific carrier of the LTE-FDD communication mode, and configure the second radio access system carrier for the radio terminal as the LTE- The specific carrier of the TDD communication mode; or, when the wireless terminal configures the carrier of the first wireless access system to be a specific carrier of the LTE-TDD communication mode, configuring the second wireless access system carrier for the wireless terminal to be the LTE-FDD communication mode Specific carrier
  • the wireless terminal After the wireless terminal accesses the first wireless access system, it determines whether the wireless terminal accesses another wireless access system through the configured system frequency band carrier.
  • the base station in the first radio access system is specifically configured to: configure a measurement reporting event and a measurement threshold for the wireless terminal, so that the wireless terminal detects that there is a second wireless connection available according to the configured measurement reporting event and the measurement threshold.
  • the specific carrier of the system is entered, the measurement information is reported to the base station of the first wireless access system;
  • the specific value of the first wireless access system is set to:
  • a system band carrier of different communication modes for the wireless terminal After accessing the first wireless access system, transmitting RRC reconfiguration information to the wireless terminal through the configured system band carrier; and receiving the second terminal sent by the wireless terminal Signal strength and signal quality information of the radio access system cell, combined with the current load conditions and strong signals of the first radio access system and the second radio access system And determining whether the wireless terminal is allowed to access the second wireless access system; and when the base station determines that the wireless terminal is allowed to access the second wireless access system, sending an RRC connection reconfiguration message to the wireless terminal to determine whether to allow
  • the wireless terminal accesses the second wireless access system according to the specific carrier frequency of the specific carrier, the cell, and the cell that the wireless terminal accesses to the second wireless access system, and the wireless terminal accesses the second wireless access system;
  • the wireless terminal is further configured to: search for a cell of the second radio access system according to the RRC reconfiguration information; and measure a cell signal strength and a signal quality of the cell of the searched second radio access system, when the measurement result satisfies the RRC weight
  • the signal strength and signal quality information including the second radio access system cell are sent to the base station; when allowed, according to the specific carrier, the cell, and the cell that are designated to access the second radio access system
  • the specific carrier frequency point is used to access the second wireless access system; when not allowed, the measurement information is periodically reported to the base station of the first wireless access system;
  • the RRC reconfiguration information includes at least an access threshold information of the second radio access system, a cell physical identifier corresponding to the specific carrier, a cell index, and RRC reconfiguration information of a specific carrier frequency of the cell;
  • the cell physical identity and the cell index uniquely identify a cell.
  • the other wireless access system is configured to determine, according to the base station of the first wireless access system, whether the wireless terminal accesses.
  • the first wireless access system is a wireless access system determined by the wireless terminal according to the priority, and/or signal strength, and/or signal quality of each wireless access system network prior to access.
  • the other wireless access system is the second wireless access system:
  • the wireless terminal is also set to,
  • the signal strength of the specific carrier of the first radio access system and the specific carrier of the second radio access system are met.
  • the first wireless access system and the second wireless access system are accessed.
  • the base station is further configured to configure, for the wireless terminal, a specific carrier of the second wireless access system, and configure, for the wireless terminal, a duration, a bandwidth, and an uplink and downlink transmission mode of the specific carrier of the second wireless access system.
  • the wireless terminal accesses the second wireless access system, it is further configured to: according to the second wireless connection a subframe configuration that can be used by the wireless terminal in a wireless frame of the system, optionally using a duration of the second wireless access system in the second wireless access system; accordingly,
  • the base station is further configured to configure, for the wireless terminal, an uplink and downlink transmission mode of the specific carrier of the second wireless access system; the specific setting is:
  • the base station sends the RRC reconfiguration message to notify the wireless terminal that the specific carrier of the second radio access system is to be used for the uplink carrier, the downlink carrier, or the uplink and downlink alternate carriers.
  • the uplink and downlink transmission modes of the second wireless access system are specifically configured as follows:
  • the communication mode of the first wireless access system is LTE-TDD and the communication mode of the second wireless access system is LTE-FDD, configuring downlink carrier transmission downlink data and second wireless access system of the second wireless access system
  • the uplink carrier transmits uplink data, and the transmission mode is FDD;
  • the communication mode of the first radio access system is LTE-FDD and the communication mode of the second radio access system is LTE-TDD
  • configuring downlink subframes of the second radio access system to transmit downlink data and second radio access The uplink subframe of the system transmits uplink data; the ratio of the uplink subframe and the downlink subframe is determined by the base station.
  • the base station is further configured to perform inter-system scheduling on bandwidth and usage duration resources of the first radio access system and the second radio access system.
  • the method and system for implementing wireless access includes: setting at least four antennas for a wireless terminal; constructing corresponding MIMO channels in different communication modes of the wireless terminal by using the set antenna; determining respective ones for each wireless access system a MIMO channel of the wireless terminal, and configuring, by the base station of the first wireless access system, a system band carrier of different communication modes for the wireless terminal; after accessing the first wireless access system, determining the wireless terminal by using the configured system band carrier Whether to access other wireless access systems.
  • the technical solution provided by the embodiment of the present invention configures a MIMO channel for the terminal.
  • the base station of the first wireless access system configures a system band carrier for the wireless terminal; after the wireless terminal accesses the first wireless access system, when the other wireless access system allows, the wireless terminal simultaneously accesses other wireless connections.
  • the wireless terminal works in different communication modes at the same time, and the utilization of spectrum resources is improved, thereby meeting the bandwidth requirement of a larger throughput application.

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Abstract

一种实现无线接入的方法及系统，包括：为无线终端设置至少四根天线，包括：以设置的天线构建无线终端不同通信模式下相应的多输入多输出(MIMO)通道；为各无线接入系统确定各自的无线终端的MIMO通道、和通过第一无线接入系统的基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统中。本发明通过为终端配置MIMO通道后，通过第一无线接入系统的基站为无线终端配置系统判断载波，通过判断是否接入其他无线接入系统，若接入其他的无线接入系统，则无线终端同时工作在不同的通信模式，提高了频谱资源利用率，满足更大吞吐率应用的带宽需求。

Description

一种实现无线接入的方法及系统 技术领域
本发明实施例无线通信领域，尤指一种实现无线接入的方法及系统。
背景技术
在无线通信技术领域，各无线通信系统都被分配了对应的工作频段，通过工作在分配的工作频段中进行应用规划，实现系统工作。随着无线通信技术应用的发展，通信系统需要提供越来越高的数据传输速率，以满足用户越来越高的通信需求。对于长期演进(LTE)技术，目前主要包括频分双工(FDD，Frequency Division Duplex)和时分双工(TDD，Time Division Duplex)两种通信模式。其中，FDD是使无线终端的上行发送和下行接收在不同的频段上进行，并且上行和下行数据传输可以同时进行；TDD是使无线终端的上行和下行数据传输在不同的时间进行，在同一时刻不能同时发生上行发送和下行接收。由于LTE技术具有FDD和TDD两种通信模式，所以LTE系统网络可以分为FDD和TDD两种系统网络，LTE的FDD系统网络和终端工作在FDD频段，TDD系统的网络工作在TDD频段。
通信系统的现有工作频段可能无法满足更高传输速率的要求，需要更大的工作带宽。随着LTE标准的逐步演进，载波聚合技术成为LTE-Advanced标准的一个重要特性。在载波聚合技术中，每个基站可能会配置多个载波，无线终端也可能被配置并使用多个载波。载波分为主载波(PCC，Primary Component Carrier)和辅载波(SCC，Secondary Component Carrier)。其中，主载波是载波聚合中对无线终端提供完整服务的载波，无线终端仅由主载波即可正常工作；辅载波是为了扩大LTE设备的工作带宽，提供吞吐率而被引入LTE-Advanced标准的。
聚合了多个载波的用户终端(UE)可以在多个载波上进行数据传输。但是，在现有载波聚合技术中，只能够聚合FDD模式下的多个载波或者TDD模式下的多个载波，对于同时分配有FDD和TDD的工作频段的网络系统， 其普通的无线终端在同一时刻只能驻留在FDD或者TDD的频段，而无法同时使用FDD和TDD两种通信模式进行通信，造成了频谱资源利用率低，无法满足大吞吐率应用的带宽需求。
综上，普通的用户终端在同一时刻只能驻留在FDD或者TDD的频段，而无法同时使用FDD和TDD进行通信，使频谱资源利用率低，无法满足大吞吐率应用的带宽需求。
发明内容
为了解决上述问题，本发明实施例提出了一种实现无线接入的方法及系统，能够在同时使用FDD和TDD进行通信的同时，提高频谱资源利用率得到提高，满足大吞吐率应用的带宽需求。
为了达到上述目的，本发明实施例提出了提供一种实现无线接入的方法，为无线终端设置至少四根天线，包括：
以设置的天线构建无线终端不同通信模式下相应的多输入多输出MIMO通道；
为各无线接入系统确定各自的无线终端的MIMO通道，并通过第一无线接入系统的基站为无线终端配置不同通信模式的系统频段载波；
在无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
可选地，所述第一无线接入系统为：所述无线终端在接入无线接入系统之前，根据所述各无线接入系统网络的优先级、和/或信号强度、和/或信号质量确定的无线接入系统。
可选地，所述其他的无线接入系统为第二无线接入系统；
所述为无线终端配置不同通信模式的系统频段载波具体包括；
当所述第一无线接入系统的基站为无线终端配置的载波为长期演进技术-频分双工LTE-FDD通信模式的具体载波时，所述第一无线接入系统的基站为无线终端配置的第二无线接入系统载波为长期演进技术-时分双工LTE-TDD通信模式的具体载波；
当所述第一无线接入系统的基站为无线终端配置的载波为LTE-TDD通信模式的具体载波时，所述第一无线接入系统的基站为无线终端配置的第二无线接入系统载波为LTE-FDD通信模式的具体载波。
可选地，所述第一无线接入系统的基站为无线终端配置的第二无线接入系统的具体载波，具体包括：
所述第一无线接入系统的基站为所述无线终端配置测量上报事件及测量门限值，以使所述无线终端根据配置的测量上报事件和测量门限值测得存在可用的第二无线接入系统的具体载波时，向所述第一无线接入系统的基站上报测量信息；
所述基站根据上报的测量信息为无线终端配置第二无线接入系统的具体载波，以使所述无线终端可接入所述第二无线接入系统。
可选地，所述确定无线终端是否接入到其他的无线接入系统具体包括：
所述基站向所述无线终端发送无线资源控制RRC重配置信息；
所述无线终端根据RRC重配置信息，搜索第二无线接入系统的小区；对搜索到的第二无线接入系统的小区的小区信号强度和信号质量进行测量，当测量结果满足RRC重配置信息中的最低接入门限时，向所述基站发送包含第二无线接入系统小区的信号强度和信号质量信息；
所述基站接收到上报的测量信息后，结合所述第一无线接入系统和第二无线接入系统当前的负载情况、信号强度和信号质量状况判断是否允许无线终端接入所述第二无线接入系统；如果允许，则接入；
其中，所述RRC重配置信息至少包括第二无线接入系统的接入门限信息、具体载波所对应的小区物理标识、小区索引、小区的具体载波频点信息；
所述小区物理标识和小区索引唯一识别一个小区。
可选地，当判断出不允许所述无线终端接入所述第二无线接入系统时，该方法还包括：所述无线终端周期性的向第一无线接入系统的基站上报测量信息。
可选地，当所述基站判断允许所述无线终端接入第二无线接入系统时，该方法还包括：
所述第一无线接入系统的基站向所述无线终端发出RRC连接重配置消息，以根据判断无线终端允许接入所述第二无线接入系统的依据指定无线终端接入第二无线接入系统的具体载波、小区、小区的具体载波频点，无线终端接入第二无线接入系统。
可选地，所述其他的无线接入系统为第二无线接入系统；
所述确定是否允许无线终端接入其他的无线接入系统具体包括：
由所述无线终端自身对所述第一无线接入系统的具体载波和第二无线接入系统的具体载波进行检测，当所述第一无线接入系统的具体载波和第二无线接入系统的具体载波的信号强度都满足接入条件时，所述无线终端接入第一无线接入系统和第二无线接入系统。
可选地，所述第一无线接入系统的基站为所述无线终端配置第二无线接入系统的具体载波后，该方法还包括：
所述基站为所述无线终端配置第二无线接入系统具体载波的时长、带宽及上下行传输模式。
可选地，所述其他的无线接入系统为第二无线接入系统；
所述无线终端接入所述第二无线接入系统后，该方法还包括：
所述基站和所述无线终端根据所述第二无线接入系统的无线帧中可被所述无线终端使用的子帧配置、可选的使用第二无线接入系统的持续时间长度在第二无线接入系统。
可选地，所述基站为所述无线终端配置第二无线接入系统具体载波的上下行传输模式具体包括：
所述基站通过发送RRC重配置消息告知所述无线终端所述第二无线接入系统的具体载波将被用于上行载波、下行载波或上下行交替载波，
配置所述第二无线接入系统的上下行传输模式具体为：
当所述第一无线接入系统的通信模式为LTE-TDD，第二无线接入系统的通信模式为LTE-FDD时，配置第二无线接入系统的下行载波传输下行数据、第二无线接入系统的上行载波传输上行数据，传输模式为FDD；
当所述第一无线接入系统的通信模式为LTE-FDD，第二无线接入系统的通信模式为LTE-TDD时，配置第二无线接入系统的下行子帧传输下行数据、第二无线接入系统的上行子帧传输上行数据；上行子帧和下行子帧的配比由所述基站确定。
可选地，所述其他的无线接入系统为第二无线接入系统；该方法还包括：
所述第一无线接入系统的基站对所述第一无线接入系统和所述第二无线接入系统的带宽、使用时长资源进行系统间调度。
本发明实施例还提供了一种实现无线接入的系统，包括：一个或一个以上无线终端、第一无线接入系统和一个或一个以上其他无线接入系统；其中，
无线终端，设置有至少四根天线，设置为以设置的天线构建不同通信模式下相应的MIMO通道；为各无线接入系统确定各自的无线终端的MIMO通道；
第一无线接入系统，包含有基站，设置为通过其基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统；
其他无线接入系统，设置为根据第一无线接入系统的基站判断是否允许无线终端接入，所述其他的无线接入系统为第二无线接入系统。
可选地，所述第一无线接入系统为：所述无线终端在接入之前，根据所述各无线接入系统网络的优先级、和/或信号强度、和/或信号质量确定的无线接入系统。
可选地，所述第一无线接入系统中的基站具体设置为：为所述无线终端配置第一无线接入系统的载波为长期演进技术-频分双工LTE-FDD通信模式的具体载波时，为所述无线终端配置第二无线接入系统载波为长期演进技术-时分双工LTE-TDD通信模式的具体载波；或者，为所述无线终端配置第一无线接入系统的载波为LTE-TDD通信模式的具体载波时，为所述无线终端配置第二无线接入系统载波为LTE-FDD通信模式的具体载波；
在所述无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
可选地，所述第一无线接入系统中的基站具体设置为：为所述无线终端配置测量上报事件及测量门限值，以使无线终端根据配置的测量上报事件和测量门限值测得存在可用的第二无线接入系统的具体载波时，向所述第一无线接入系统的基站上报测量信息；
根据所述上报的测量信息为无线终端配置第二无线接入系统的具体载波，以使无线终端可接入所述第二无线接入系统；
在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
可选地，所述第一无线接入系统具体设置为：通过其基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，向所述无线终端发送无线资源控制协议RRC重配置信息；接收所述无线终端发送的包含第二无线接入系统小区的信号强度、信号质量信息，结合第一无线接入系统和第二无线接入系统当前的负载情况、信号强度和信号质量状况判断是否允许无线终端接入所述第二无线接入系统；
所述无线终端还设置为，根据RRC重配置信息，搜索第二无线接入系统的小区；对搜索到的第二无线接入系统的小区的小区信号强度和信号质量进行测量，当测量结果满足RRC重配置信息中的最低接入门限时，向所述基站发送包含第二无线接入系统小区的信号强度和信号质量信息；在允许时，依据指定接入第二无线接入系统的具体载波、小区、小区的具体载波频点，接入；
其中，所述RRC重配置信息至少包括第二无线接入系统的接入门限信息、具体载波所对应的小区物理标识、小区索引、小区的具体载波频点的RRC重配置信息；
所述小区物理标识和小区索引唯一识别一个小区。
可选地，所述第一无线接入系统中的基站还设置为，当基站判断允许所述无线终端接入第二无线接入系统时，向所述无线终端发出RRC连接重配置消息，以根据判断无线终端允许接入所述第二无线接入系统的依据指定无线终端接入第二无线接入系统的具体载波、小区、小区的具体载波频点，无线 终端接入第二无线接入系统。
可选地，所述无线终端还设置为，当判断出不允许接入所述无线终端接入第二无线接入系统时，周期性的向所述第一无线接入系统的基站上报测量信息；依据指定接入第二无线接入系统的具体载波、小区、小区的具体载波频点，接入所述第二无线接入系统。
可选地，所述无线终端还设置为，通过自身对所述第一无线接入系统的具体载波和第二无线接入系统的具体载波进行检测，当所述第一无线接入系统的具体载波和第二无线接入系统的具体载波的信号强度都满足接入条件时，所述接入第一无线接入系统和第二无线接入系统。
可选地，所述第一无线接入系统中的基站为所述无线终端配置第二无线接入系统的具体载波后，还设置为：为所述无线终端配置第二无线接入系统具体载波的时长、带宽及上下行传输模式。
可选地，所述第一无线接入系统中的基站还设置为，在所述无线终端接入所述第二无线接入系统后，
根据所述第二无线接入系统的无线帧中可被所述无线终端使用的子帧配置、可选的使用第二无线接入系统的持续时间长度在第二无线接入系统。
可选地，所述第一无线接入系统中的基站为所述无线终端配置第二无线接入系统具体载波的上下行传输模式具体包括：
所述基站通过发送RRC重配置消息告知所述无线终端所述第二无线接入系统的具体载波将被用于上行载波、下行载波或上下行交替载波，
配置所述第二无线接入系统的上下行传输模式具体为：
当所述第一无线接入系统的通信模式为LTE-TDD，第二无线接入系统的通信模式为LTE-FDD时，配置第二无线接入系统的下行载波传输下行数据、第二无线接入系统的上行载波传输上行数据，传输模式为FDD；
当所述第一无线接入系统的通信模式为LTE-FDD，第二无线接入系统的通信模式为LTE-TDD时，配置第二无线接入系统的下行子帧传输下行数据、第二无线接入系统的上行子帧传输上行数据；上行子帧和下行子帧的配比由所述基站确定。
可选地，所述基站还设置，对所述第一无线接入系统和所述第二无线接入系统的带宽、使用时长资源进行系统间调度。
与现有技术相比，本发明实施例提供的技术方案，包括：为无线终端设置至少四根天线；以设置的天线构建无线终端不同通信模式下相应的MIMO通道；为各无线接入系统确定各自的无线终端的MIMO通道，并通过第一无线接入系统的基站为无线终端配置不同通信模式的系统频段载波；在无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定是否允许无线终端是否接入到其他的无线接入系统中。本发明实施例为终端配置MIMO通道后，通过第一无线接入系统的基站为无线终端配置系统频段载波；在无线终端接入第一无线接入系统后，在其他无线接入系统允许时，无线终端同时接入其他的无线接入系统，实现了无线终端同时工作在不同的通信模式，提高了频谱资源利用率，从而满足了更大吞吐率应用的带宽需求。
附图概述
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1为本发明实施例实现无线接入的方法的流程图；
图2为本发明实施例实现无线接入的系统的结构框图。
本发明的较佳实施方式
为使本发明实施例的目的、技术方案和优点更加清楚明白，下文中将结合附图对本发明的实施例进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互任意组合。
图1为本发明实施例实现无线接入的方法的流程图，包括：为无线终端设置至少四根天线，如图1所示，还包括：
步骤100、以设置的天线构建无线终端不同通信模式下相应的多输入多输出(MIMO)通道，即不同的天线对应不同的通信模式。
其中如何构建属于本领域技术人员的公知技术，以4根天线为例，可以 分为两组，每组两根天线；第一组用于第一无线接入系统，第二组用于第二无线接入系统。
步骤101、为各无线接入系统确定各自的无线终端的MIMO通道，并通过第一无线接入系统的基站为无线终端配置不同通信模式的系统频段载波。
本步骤中，第一无线接入系统为：无线终端在接入无线接入系统之前，根据各无线接入系统网络的优先级、和/或信号强度、和/或信号质量确定的无线接入系统。
需要说明的是，这里的第一无线接入系统是综合考虑了各无线接入系统的网络的优先级、和/或信号强度、和/或信号质量等参数确定出的无线接入系统，是利于无线终端工作的无线接入系统。具体如何让确定第一无线接入系统是通过现有的3GPP协议规定进行判断的过程，属于本领域技术人员的公知常识，这里不再赘述。
本文中，将各无线接入系统中除第一无线接入系统之外的其他的无线接入系统称为第二无线接入系统。
需要说明的是，其他的无线接入系统还可以是伴随着通信技术发展产生的其他通信模式的无线接入系统，对于其他的无线接入系统，例如第三无线接入系统，无线终端的接入方法，可以依照本发明方法进行拓展。
步骤101中，为无线终端配置不同通信模式的系统频段载波具体包括；
当第一无线接入系统的基站为无线终端配置的载波为长期演进技术-频分双工(LTE-FDD)通信模式的具体载波时，第一无线接入系统的基站为无线终端配置的第二无线接入系统载波为长期演进技术-时分双工(LTE-TDD)通信模式的具体载波；
当第一无线接入系统的基站为无线终端配置的载波为LTE-TDD通信模式的具体载波时，第一无线接入系统的基站为无线终端配置的第二无线接入系统载波为LTE-FDD通信模式的具体载波。
进一步地，第一无线接入系统的基站为无线终端配置的第二无线接入系统的具体载波，具体包括：
基站为无线终端配置测量上报事件及测量门限值，以使无线终端根据配 置的测量上报事件和测量门限值测得存在可用的第二无线接入系统的具体载波时，向第一无线接入系统的基站上报测量信息；
基站根据上报的测量信息为无线终端配置第二无线接入系统的具体载波，以使无线终端可接入所述第二无线接入系统。
步骤102、在无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
本步骤中，其他的无线接入系统为第二无线接入系统。
本步骤中确定无线终端是否接入到其他的无线接入系统可以具体包括：
基站向无线终端发送RRC重配置信息；
无线终端根据无线资源控制(RRC)重配置信息，搜索第二无线接入系统的小区；对搜索到的第二无线接入系统的小区的小区信号强度和信号质量进行测量，当测量结果满足RRC重配置信息中的最低接入门限时，向基站发送包含第二无线接入系统小区的信号强度和信号质量信息；
基站接收到上报的测量信息后，结合第一无线接入系统和第二无线接入系统当前的负载情况、信号强度和信号质量状况判断是否允许无线终端接入第二无线接入系统；如果允许，则接入；否则，无线终端周期性的向第一无线接入系统的基站上报测量信息；其中，负载情况由基站来判断；信号强度和信号质量可以设置一个接入门限值，这两个参数的门限至少应高于第二无线接入系统的最低驻留门限，举例来说，假设第二无线接入系统的信号强度最低驻留门限为-120dBm，信号质量最低驻留门限为-20dB，那么这里可以将信号强度接入门限设置为-110dBm，信号质量接入门限设置为-15dB。
当基站判断允许无线终端接入第二无线接入系统时，第一无线接入系统的基站向无线终端发出RRC连接重配置消息，以根据判断无线终端允许接入第二无线接入系统的依据指定无线终端接入第二无线接入系统的具体载波、小区、小区的具体载波频点，无线终端接入第二无线接入系统；其中，
RRC重配置信息至少包括第二无线接入系统的接入门限信息、具体载波所对应的小区物理标识、小区索引、小区的具体载波频点的RRC重配置信息；
小区物理标识和小区索引唯一识别一个小区。
需要说明的是，1、这里的RRC重配置消息采用在现有的radio Resource Config Dedicated配置信元的基础上进行扩充，例如扩充Second System Cell To Add Mod List。当然进行扩充的内容的每个元素都是Second System Cell To Add Mod的结构，该结构包含的内容是第二无线接入系统小区的索引值、小区标识、第二无线接入系统小区的公共的无线资源配置信息、第二无线接入系统小区的专有无线资源配置；其中，小区标识中包含小区的物理标识以及下行载波频段(对于第二无线接入系统为LTE-FDD系统)或载波频段(对于第二无线接入系统为LTE-TDD)。Second System Cell To Add Mod的内容标识一个小区的基本属性，对应着唯一的一个小区。第二无线接入系统的接入门限信息是系统中存在的信息，如q-RxLevMin信元，该信元中包含第二无线接入系统的最低接入门限。2、由于基站为第一无线接入系统的基站，所以可以直接获得第一无线接入系统当前的负载情况、信号强度和信号质量状况，根据现有技术该基站还可以直接获得第二无线接入系统的负载情况。这里，当第二无线接入系统负载过大时，则不应使无线终端接入第二无线接入系统；系统负载情况的标准定义属于本领域技术人员结合网络实际使用情况和通信质量确定；无线终端继续周期地对第二无线接入系统进行测量，即周期性判断是否接入第二无线接入系统，这里的周期根据系统具体情况进行设定，周期的设定属于本领域技术人员的公知常识。3、当无线终端获得第二无线接入系统具体载波、小区时，无线终端就可以根据上述内容接入第二无线接入系统，具体实现属于本领域技术人员的惯用技术手段。
本步骤中，确定无线终端是否接入其他的无线接入系统还可以具体包括：
由无线终端自身对第一无线接入系统的具体载波和第二无线接入系统的具体载波进行检测，当第一无线接入系统的具体载波和第二无线接入系统的具体载波的信号强度都满足接入条件时，无线终端接入第一无线接入系统和第二无线接入系统。
在第一无线接入系统的基站为无线终端配置第二无线接入系统的具体载波之后，本发明实施例提供的方法还包括：
基站为无线终端配置第二无线接入系统具体载波的时长、带宽及上下行传输模式。
无线终端接入第二无线接入系统后，本发明实施例提供的方法还包括：
基站和无线终端根据第二无线接入系统的无线帧中可被无线终端使用的子帧配置、可选的使用第二无线接入系统的持续时间长度在第二无线接入系统。
其中，基站为无线终端配置第二无线接入系统具体载波的上下行传输模式具体包括：基站通过发送RRC重配置消息告知无线终端第二无线接入系统的具体载波将被用于上行载波、下行载波或上下行交替载波，
配置第二无线接入系统的上下行传输模式具体为：
当第一无线接入系统的通信模式为LTE-TDD，第二无线接入系统的通信模式为LTE-FDD时，配置第二无线接入系统的下行载波传输下行数据、第二无线接入系统的上行载波传输上行数据，传输模式为FDD；
当第一无线接入系统的通信模式为LTE-FDD，第二无线接入系统的通信模式为LTE-TDD时，配置第二无线接入系统的下行子帧传输下行数据、第二无线接入系统的上行子帧传输上行数据；上行子帧和下行子帧的配比由所述基站确定。
本发明实施例提供的方法还包括：第一无线接入系统的基站对第一无线接入系统和第二无线接入系统的带宽、使用时长资源进行系统间调度。
需要说明的是，进行系统间调度是指基于具体载波的资源状况和无线接入系统的使用时长进行的系统间调度，具体如何根据具体载波的资源状况和无线接入系统的使用时长进行调度，属于本领域技术人员的惯用技术手段，并不用于限定本发明的保护范围，在此不再赘述。
本发明实施例同的技术方案为终端配置MIMO通道后，通过第一无线接入系统的基站为无线终端配置系统频段载波；在无线终端接入第一无线接入系统后，在其他无线接入系统允许时，无线终端同时接入其他的无线接入系统，实现了无线终端同时工作在不同的通信模式，提高了频谱资源利用率，从而满足了更大吞吐率应用的带宽需求。
图2为本发明实现无线接入的系统的结构框图，如图2所示，包括：一个或一个以上无线终端、第一无线接入系统和一个或一个以上其他无线接入 系统；其中，
无线终端，设置有至少四根天线，设置为以设置的天线构建不同通信模式下相应的MIMO通道；为各无线接入系统确定各自的无线终端的MIMO通道；
第一无线接入系统，包含有基站，设置为通过其基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统；
其他的无线接入系统为第二无线接入系统。
第一无线接入系统中的基站具体设置为，为无线终端配置第一无线接入系统的载波为LTE-FDD通信模式的具体载波时，为无线终端配置第二无线接入系统载波为LTE-TDD通信模式的具体载波；或者，为无线终端配置第一无线接入系统的载波为LTE-TDD通信模式的具体载波时，为无线终端配置第二无线接入系统载波为LTE-FDD通信模式的具体载波；
在无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
第一无线接入系统中的基站具体设置为：为无线终端配置测量上报事件及测量门限值，以使无线终端根据配置的测量上报事件和测量门限值测得存在可用的第二无线接入系统的具体载波时，向第一无线接入系统的基站上报测量信息；
根据所述上报的测量信息为无线终端配置第二无线接入系统的具体载波，以使无线终端可接入第二无线接入系统；
在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
第一无线接入系统具体值设置为：
通过其基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，向无线终端发送RRC重配置信息；接收无线终端发送的包含第二无线接入系统小区的信号强度、信号质量信息，结合第一无线接入系统和第二无线接入系统当前的负载情况、信号强 度和信号质量状况判断是否允许无线终端接入第二无线接入系统；当基站判断允许无线终端接入第二无线接入系统时，向无线终端发出RRC连接重配置消息，以根据判断是否允许无线终端接入第二无线接入系统的依据指定无线终端接入第二无线接入系统的具体载波、小区、小区的具体载波频点，无线终端接入第二无线接入系统；
无线终端还设置为，根据RRC重配置信息，搜索第二无线接入系统的小区；对搜索到的第二无线接入系统的小区的小区信号强度和信号质量进行测量，当测量结果满足RRC重配置信息中的最低接入门限时，向基站发送包含第二无线接入系统小区的信号强度和信号质量信息；在允许时，依据指定接入第二无线接入系统的具体载波、小区、小区的具体载波频点，接入第二无线接入系统；在不允许时周期性的向第一无线接入系统的基站上报测量信息；
其中，RRC重配置信息至少包括第二无线接入系统的接入门限信息、具体载波所对应的小区物理标识、小区索引、小区的具体载波频点的RRC重配置信息；
小区物理标识和小区索引唯一识别一个小区。
其他无线接入系统，设置为根据第一无线接入系统的基站判断无线终端是否接入。
第一无线接入系统为：无线终端在接入之前，根据各无线接入系统网络的优先级、和/或信号强度、和/或信号质量确定的无线接入系统。
其他的无线接入系统为第二无线接入系统：
无线终端还用设置为，
通过自身对第一无线接入系统的具体载波和第二无线接入系统的具体载波进行检测，当第一无线接入系统的具体载波和第二无线接入系统的具体载波的信号强度都满足接入条件时，接入第一无线接入系统和第二无线接入系统。
基站还设置为，为无线终端配置第二无线接入系统的具体载波后，为无线终端配置第二无线接入系统具体载波的时长、带宽及上下行传输模式。
在无线终端接入所述第二无线接入系统后，还设置为：根据第二无线接 入系统的无线帧中可被所述无线终端使用的子帧配置、可选的使用第二无线接入系统的持续时间长度在第二无线接入系统；相应地，
基站还设置为，为无线终端配置第二无线接入系统具体载波的上下行传输模式；具体设置为：
基站通过发送RRC重配置消息告知所述无线终端所述第二无线接入系统的具体载波将被用于上行载波、下行载波或上下行交替载波，
配置第二无线接入系统的上下行传输模式具体为：
当第一无线接入系统的通信模式为LTE-TDD，第二无线接入系统的通信模式为LTE-FDD时，配置第二无线接入系统的下行载波传输下行数据、第二无线接入系统的上行载波传输上行数据，传输模式为FDD；
当第一无线接入系统的通信模式为LTE-FDD，第二无线接入系统的通信模式为LTE-TDD时，配置第二无线接入系统的下行子帧传输下行数据、第二无线接入系统的上行子帧传输上行数据；上行子帧和下行子帧的配比由所述基站确定。
基站还设置为，对第一无线接入系统和所述第二无线接入系统的带宽、使用时长资源进行系统间调度。
虽然本申请所揭露的实施方式如上，但所述的内容仅为便于理解本申请而采用的实施方式，并非用以限定本申请，如本发明实施方式中的具体的实现方法。任何本申请所属领域内的技术人员，在不脱离本申请所揭露的精神和范围的前提下，可以在实施的形式及细节上进行任何的修改与变化，但本申请的专利保护范围，仍须以所附的权利要求书所界定的范围为准。
工业实用性
本发明实施例提出的实现无线接入的方法及系统，包括：为无线终端设置至少四根天线；以设置的天线构建无线终端不同通信模式下相应的MIMO通道；为各无线接入系统确定各自的无线终端的MIMO通道，并通过第一无线接入系统的基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统中。本发明实施例提供的技术方案为终端配置MIMO通道 后，通过第一无线接入系统的基站为无线终端配置系统频段载波；在无线终端接入第一无线接入系统后，在其他无线接入系统允许时，无线终端同时接入其他的无线接入系统，实现了无线终端同时工作在不同的通信模式，提高了频谱资源利用率，从而满足了更大吞吐率应用的带宽需求。

Claims (24)

  1. 一种实现无线接入的方法，其特征在于，为无线终端设置至少四根天线，包括：
    以设置的天线构建无线终端不同通信模式下相应的多输入多输出MIMO通道；
    为各无线接入系统确定各自的无线终端的MIMO通道，并通过第一无线接入系统的基站为无线终端配置不同通信模式的系统频段载波；
    在无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
  2. 根据权利要求1所述的方法，其特征在于，所述第一无线接入系统为：所述无线终端在接入无线接入系统之前，根据所述各无线接入系统网络的优先级、和/或信号强度、和/或信号质量确定的无线接入系统。
  3. 根据权利要求1所述的方法，其特征在于，所述其他的无线接入系统为第二无线接入系统；
    所述为无线终端配置不同通信模式的系统频段载波具体包括；
    当所述第一无线接入系统的基站为无线终端配置的载波为长期演进技术-频分双工LTE-FDD通信模式的具体载波时，所述第一无线接入系统的基站为无线终端配置的第二无线接入系统载波为长期演进技术-时分双工LTE-TDD通信模式的具体载波；
    当所述第一无线接入系统的基站为无线终端配置的载波为LTE-TDD通信模式的具体载波时，所述第一无线接入系统的基站为无线终端配置的第二无线接入系统载波为LTE-FDD通信模式的具体载波。
  4. 根据权利要求3所述的方法，其特征在于，所述第一无线接入系统的基站为无线终端配置的第二无线接入系统的具体载波，具体包括：
    所述第一无线接入系统的基站为所述无线终端配置测量上报事件及测量门限值，以使所述无线终端根据配置的测量上报事件和测量门限值测得存在可用的第二无线接入系统的具体载波时，向所述第一无线接入系统的基站上 报测量信息；
    所述基站根据上报的测量信息为无线终端配置第二无线接入系统的具体载波，以使所述无线终端可接入所述第二无线接入系统。
  5. 根据权利要求3或4所述的方法，其特征在于，所述确定无线终端是否接入到其他的无线接入系统具体包括：
    所述基站向所述无线终端发送无线资源控制RRC重配置信息；
    所述无线终端根据RRC重配置信息，搜索第二无线接入系统的小区；对搜索到的第二无线接入系统的小区的小区信号强度和信号质量进行测量，当测量结果满足RRC重配置信息中的最低接入门限时，向所述基站发送包含第二无线接入系统小区的信号强度和信号质量信息；
    所述基站接收到上报的测量信息后，结合所述第一无线接入系统和第二无线接入系统当前的负载情况、信号强度和信号质量状况判断是否允许无线终端接入所述第二无线接入系统；如果允许，则接入；
    其中，所述RRC重配置信息至少包括第二无线接入系统的接入门限信息、具体载波所对应的小区物理标识、小区索引、小区的具体载波频点信息；
    所述小区物理标识和小区索引唯一识别一个小区。
  6. 根据权利要求5所述的方法，其特征在于，当判断出不允许所述无线终端接入所述第二无线接入系统时，该方法还包括：所述无线终端周期性的向第一无线接入系统的基站上报测量信息。
  7. 根据权利要求5所述的方法，其特征在于，当所述基站判断允许所述无线终端接入第二无线接入系统时，该方法还包括：
    所述第一无线接入系统的基站向所述无线终端发出RRC连接重配置消息，以根据判断无线终端允许接入所述第二无线接入系统的依据指定无线终端接入第二无线接入系统的具体载波、小区、小区的具体载波频点，无线终端接入第二无线接入系统。
  8. 根据权利要求1所述的方法，其特征在于，所述其他的无线接入系统为第二无线接入系统；
    所述确定是否允许无线终端接入其他的无线接入系统具体包括：
    由所述无线终端自身对所述第一无线接入系统的具体载波和第二无线接入系统的具体载波进行检测，当所述第一无线接入系统的具体载波和第二无线接入系统的具体载波的信号强度都满足接入条件时，所述无线终端接入第一无线接入系统和第二无线接入系统。
  9. 根据权利要求3或4所述的方法，其特征在于，所述第一无线接入系统的基站为所述无线终端配置第二无线接入系统的具体载波后，该方法还包括：
    所述基站为所述无线终端配置第二无线接入系统具体载波的时长、带宽及上下行传输模式。
  10. 根据权利要求1所述的方法，其特征在于，所述其他的无线接入系统为第二无线接入系统；
    所述无线终端接入所述第二无线接入系统后，该方法还包括：
    所述基站和所述无线终端根据所述第二无线接入系统的无线帧中可被所述无线终端使用的子帧配置、可选的使用第二无线接入系统的持续时间长度在第二无线接入系统。
  11. 根据权利要求9所述的方法，其特征在于，所述基站为所述无线终端配置第二无线接入系统具体载波的上下行传输模式具体包括：
    所述基站通过发送RRC重配置消息告知所述无线终端所述第二无线接入系统的具体载波将被用于上行载波、下行载波或上下行交替载波，
    配置所述第二无线接入系统的上下行传输模式具体为：
    当所述第一无线接入系统的通信模式为LTE-TDD，第二无线接入系统的通信模式为LTE-FDD时，配置第二无线接入系统的下行载波传输下行数据、第二无线接入系统的上行载波传输上行数据，传输模式为FDD；
    当所述第一无线接入系统的通信模式为LTE-FDD，第二无线接入系统的通信模式为LTE-TDD时，配置第二无线接入系统的下行子帧传输下行数据、第二无线接入系统的上行子帧传输上行数据；上行子帧和下行子帧的配比由所述基站确定。
  12. 根据权利要求1所述的方法，其特征在于，所述其他的无线接入系 统为第二无线接入系统；该方法还包括：
    所述第一无线接入系统的基站对所述第一无线接入系统和所述第二无线接入系统的带宽、使用时长资源进行系统间调度。
  13. 一种实现无线接入的系统，其特征在于，包括：一个或一个以上无线终端、第一无线接入系统和一个或一个以上其他无线接入系统；其中，
    无线终端，设置有至少四根天线，设置为以设置的天线构建不同通信模式下相应的MIMO通道；为各无线接入系统确定各自的无线终端的MIMO通道；
    第一无线接入系统，包含有基站，设置为通过其基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统；
    其他无线接入系统，设置为根据第一无线接入系统的基站判断是否允许无线终端接入，所述其他的无线接入系统为第二无线接入系统。
  14. 根据权利要求13所述的系统，其特征在于，所述第一无线接入系统为：所述无线终端在接入之前，根据所述各无线接入系统网络的优先级、和/或信号强度、和/或信号质量确定的无线接入系统。
  15. 根据权利要求13所述的系统，其特征在于，所述第一无线接入系统中的基站具体设置为：为所述无线终端配置第一无线接入系统的载波为长期演进技术-频分双工LTE-FDD通信模式的具体载波时，为所述无线终端配置第二无线接入系统载波为长期演进技术-时分双工LTE-TDD通信模式的具体载波；或者，为所述无线终端配置第一无线接入系统的载波为LTE-TDD通信模式的具体载波时，为所述无线终端配置第二无线接入系统载波为LTE-FDD通信模式的具体载波；
    在所述无线终端接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
  16. 根据权利要求13所述的系统，其特征在于，所述第一无线接入系统中的基站具体设置为：为所述无线终端配置测量上报事件及测量门限值，以使无线终端根据配置的测量上报事件和测量门限值测得存在可用的第二无线 接入系统的具体载波时，向所述第一无线接入系统的基站上报测量信息；
    根据所述上报的测量信息为无线终端配置第二无线接入系统的具体载波，以使无线终端可接入所述第二无线接入系统；
    在接入第一无线接入系统后，通过配置的系统频段载波，确定无线终端是否接入到其他的无线接入系统。
  17. 根据权利要求13所述的系统，其特征在于，所述第一无线接入系统具体设置为：通过其基站为无线终端配置不同通信模式的系统频段载波；在接入第一无线接入系统后，通过配置的系统频段载波，向所述无线终端发送无线资源控制协议RRC重配置信息；接收所述无线终端发送的包含第二无线接入系统小区的信号强度、信号质量信息，结合第一无线接入系统和第二无线接入系统当前的负载情况、信号强度和信号质量状况判断是否允许无线终端接入所述第二无线接入系统；
    所述无线终端还设置为，根据RRC重配置信息，搜索第二无线接入系统的小区；对搜索到的第二无线接入系统的小区的小区信号强度和信号质量进行测量，当测量结果满足RRC重配置信息中的最低接入门限时，向所述基站发送包含第二无线接入系统小区的信号强度和信号质量信息；在允许时，依据指定接入第二无线接入系统的具体载波、小区、小区的具体载波频点，接入；
    其中，所述RRC重配置信息至少包括第二无线接入系统的接入门限信息、具体载波所对应的小区物理标识、小区索引、小区的具体载波频点的RRC重配置信息；
    所述小区物理标识和小区索引唯一识别一个小区。
  18. 根据权利要求17所述的系统，其特征在于，所述第一无线接入系统中的基站还设置为，当基站判断允许所述无线终端接入第二无线接入系统时，向所述无线终端发出RRC连接重配置消息，以根据判断无线终端允许接入所述第二无线接入系统的依据指定无线终端接入第二无线接入系统的具体载波、小区、小区的具体载波频点，无线终端接入第二无线接入系统。
  19. 根据权利要求17所述的系统，其特征在于，所述无线终端还设置为， 当判断出不允许接入所述无线终端接入第二无线接入系统时，周期性的向所述第一无线接入系统的基站上报测量信息；依据指定接入第二无线接入系统的具体载波、小区、小区的具体载波频点，接入所述第二无线接入系统。
  20. 根据权利要求13所述的系统，其特征在于，所述无线终端还设置为，通过自身对所述第一无线接入系统的具体载波和第二无线接入系统的具体载波进行检测，当所述第一无线接入系统的具体载波和第二无线接入系统的具体载波的信号强度都满足接入条件时，所述接入第一无线接入系统和第二无线接入系统。
  21. 根据权利要求16所述的系统，其特征在于，所述第一无线接入系统中的基站为所述无线终端配置第二无线接入系统的具体载波后，还设置为：为所述无线终端配置第二无线接入系统具体载波的时长、带宽及上下行传输模式。
  22. 根据权利要求13所述的系统，其特征在于，所述第一无线接入系统中的基站还设置为，在所述无线终端接入所述第二无线接入系统后，
    根据所述第二无线接入系统的无线帧中可被所述无线终端使用的子帧配置、可选的使用第二无线接入系统的持续时间长度在第二无线接入系统。
  23. 根据权利要求21所述的系统，其特征在于，所述第一无线接入系统中的基站为所述无线终端配置第二无线接入系统具体载波的上下行传输模式具体包括：
    所述基站通过发送RRC重配置消息告知所述无线终端所述第二无线接入系统的具体载波将被用于上行载波、下行载波或上下行交替载波，
    配置所述第二无线接入系统的上下行传输模式具体为：
    当所述第一无线接入系统的通信模式为LTE-TDD，第二无线接入系统的通信模式为LTE-FDD时，配置第二无线接入系统的下行载波传输下行数据、第二无线接入系统的上行载波传输上行数据，传输模式为FDD；
    当所述第一无线接入系统的通信模式为LTE-FDD，第二无线接入系统的通信模式为LTE-TDD时，配置第二无线接入系统的下行子帧传输下行数据、第二无线接入系统的上行子帧传输上行数据；上行子帧和下行子帧的配比由 所述基站确定。
  24. 根据权利要求13所述的系统，其特征在于，所述基站还设置，对所述第一无线接入系统和所述第二无线接入系统的带宽、使用时长资源进行系统间调度。
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