WO2017041252A1 - Équipement de réseau d'accès, dispositif terminal, et procédé et système de transmission de données - Google Patents

Équipement de réseau d'accès, dispositif terminal, et procédé et système de transmission de données Download PDF

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Publication number
WO2017041252A1
WO2017041252A1 PCT/CN2015/089269 CN2015089269W WO2017041252A1 WO 2017041252 A1 WO2017041252 A1 WO 2017041252A1 CN 2015089269 W CN2015089269 W CN 2015089269W WO 2017041252 A1 WO2017041252 A1 WO 2017041252A1
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Prior art keywords
communication system
wireless communication
transmission resource
access network
network device
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PCT/CN2015/089269
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English (en)
Chinese (zh)
Inventor
杨晓东
张戬
马莎
权威
李秉肇
苗金华
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华为技术有限公司
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Priority to CN201580065545.3A priority Critical patent/CN107005852B/zh
Priority to PCT/CN2015/089269 priority patent/WO2017041252A1/fr
Publication of WO2017041252A1 publication Critical patent/WO2017041252A1/fr

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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 present invention relates to the field of wireless communication technologies, and in particular, to an access network device, a terminal device, a data transmission method, and a system.
  • the Long Term Evolution (LTE) system is currently commercially available on a large scale.
  • the LTE system can provide high-speed data services and provide reliable voice services.
  • voice over LTE (VoLTE) technology is adopted. Support voice services.
  • the available transmission resources of the LTE system are limited. As the number of users of the LTE system increases rapidly, the requirements of the data transmission rate of the user are continuously increased, and the current transmission resources cannot meet the demand for business growth.
  • the embodiments of the present invention provide an access network device, a terminal device, a data transmission method, and a system, which are used to solve the problem of tight transmission resources of a wireless communication system such as an LTE system.
  • an embodiment of the present invention provides an access network device in a second wireless communication system, including:
  • a processing unit configured to determine a transmission resource in an idle state in the first wireless communication system, which is a usable transmission resource, and use the determined available transmission resource as the access network device and the second a transmission resource in a secondary cell of a carrier aggregation used by a terminal device in a wireless communication system for data transmission;
  • the transceiver unit is configured to perform data transmission with the terminal device on a transmission resource in the secondary cell that is aggregated by the carrier determined by the processing unit.
  • the processing unit is specifically configured to:
  • a resource is the available transmission resource.
  • the second wireless communications system is a long term evolution LTE system
  • the processing unit is specifically configured to:
  • the transceiver unit is specifically configured to start data transmission with the terminal device at a starting position of the usable transmission resource.
  • the processing unit is specifically configured to: determine the first wireless communication system and the second wireless a timing relationship of the system; and, according to the determined timing relationship, from a transmission resource in the first wireless communication system that is offset from a timing position of an OFDM symbol or a subframe in the second communication system, Determining the available transmission resources;
  • the transceiver unit is specifically configured to start data transmission with the terminal device at a timing offset from the set start position of the usable transmission resource.
  • the processing unit is further configured to: after determining the transmission resources usable in the first wireless communication system, determining that the usable transmission resource is a transmission resource in a secondary cell aggregated by a carrier in the second wireless communication system ,
  • the processing unit is specifically configured to:
  • the time-frequency resource obtained by mapping is used as a transmission resource in a secondary cell in which the carrier is aggregated in the second wireless communication system.
  • the time-frequency resource obtained by the processing unit mapping occupies one or more orthogonal frequency division multiplexing OFDM symbols in the time domain.
  • the time-frequency resource that is obtained by the processing unit mapping occupies half subframe, one subframe, or multiple sub-times in the time domain. frame.
  • the available transmission resource is located in the same or multiple transmission resource allocation units in the first wireless communication system. in.
  • the transceiver unit is further configured to: before performing data transmission with the terminal device,
  • Receiving capability indication information sent by the terminal device where the capability indication information is used to indicate that the terminal device can use the transmission resource in the first wireless communication system as a transmission in a secondary cell in the second wireless communication system. Resources for data transfer.
  • the transceiver unit is further configured to:
  • an embodiment of the present invention provides a terminal device in a second wireless communication system, including:
  • a processing unit configured to determine, by using carrier aggregation, data transmission with an access network device in the second wireless communication system
  • the transceiver unit performs data transmission with the access network device by using a carrier aggregation method determined by the processing unit;
  • the transmission resource of the secondary cell of the carrier aggregation used by the transceiver unit to perform the data transmission includes a transmission resource in the first wireless communication system.
  • the transceiver unit is further configured to: before performing data transmission with the access network device by using a determined carrier aggregation manner,
  • the access network device Transmitting, by the access network device, the capability indication information, where the capability indication information indicates that the transmission resource in the first wireless communication system is used to perform data transmission as a transmission resource in the secondary cell in the second wireless communication system.
  • the second wireless communications system is a Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • the transceiver unit is further configured to: receive a measurement configuration instruction sent by the access network device;
  • the processing unit is further configured to: perform measurement on the wireless signal of the first wireless communication system received by the transceiver unit according to the measurement configuration instruction.
  • an embodiment of the present invention provides a data transmission method, including:
  • the access network device in the second wireless communication system determines a transmission resource in an idle state in the first wireless communication system, which is a usable transmission resource;
  • the access network device uses the determined available transmission resource as a transmission resource in a secondary cell that is aggregated with a carrier used for data transmission by the terminal device in the second wireless communication system;
  • the access network device performs data transmission with the terminal device on the determined transmission resource in the secondary cell that is aggregated by the carrier.
  • the access network device determines, in the first wireless communication system, a transmission resource that is in an idle state, where the available transmission resource is:
  • the access network device determines, in the first wireless communication system, a transmission resource for carrying service data in an idle state, which is the usable transmission resource.
  • the second wireless communications system is a long term evolution LTE system
  • the access network device determines a transmission resource that can be used in the first wireless communication system, including:
  • the access network device determines timing of the first wireless communication system and the second wireless system And determining, according to the determined timing relationship, the usable transmission from a transmission resource in the first wireless communication system having the same starting position as an OFDM symbol or a subframe in the second communication system Resource
  • the access network device performs data transmission with the terminal device on the determined transmission resource in the secondary cell that is aggregated by the carrier, including:
  • the access network device begins data transmission with the terminal device at a starting location of the usable transmission resource.
  • the access network device determines a transmission resource that is usable in the first wireless communication system, including :
  • the access network device performs data transmission with the terminal device on the determined transmission resource in the secondary cell that is aggregated by the carrier, including:
  • the access network device starts data transmission with the terminal device at a timing offset from the set start position of the usable transmission resource.
  • the transmission resource that can be used in the first wireless communication system After determining, by the access network device, the transmission resource that can be used in the first wireless communication system, determining that the available transmission resource is a transmission resource in a secondary cell aggregated by a carrier in the second wireless communication system, include:
  • the access network device maps the usable transmission resource to a time-frequency resource
  • the access network device determines that the available transmission resource is a transmission resource in a secondary cell that is aggregated by a carrier in the second wireless communication system, and includes:
  • the access network device uses the time-frequency resource obtained by mapping as the second wireless communication system The transmission resource in the secondary cell of the carrier aggregation.
  • the mapping the obtained time-frequency resource occupies one or more orthogonal frequency division multiplexing OFDM symbols in the time domain.
  • the time-frequency resource obtained by the mapping occupies half a subframe, one subframe, or multiple subframes in a time domain.
  • the available transmission resource is located in the same or multiple transmission resource allocation units in the first wireless communication system. in.
  • the method before the data transmission between the access network device and the terminal device, the method further includes:
  • the access network device receives the capability indication information sent by the terminal device, where the capability indication information is used to indicate that the terminal device can use the transmission resource in the first wireless communication system, as the second wireless communication system
  • the transmission resources in the secondary cell perform data transmission.
  • the method further includes:
  • the access network device sends a measurement configuration instruction to the terminal device, instructing the terminal device to perform measurement on the received wireless signal of the first wireless communication system.
  • an embodiment of the present invention provides a data transmission method, including:
  • the terminal device in the second wireless communication system determines to perform data transmission with the access network device in the second wireless communication system by using carrier aggregation;
  • the terminal device performs data transmission with the access network device by using a determined carrier aggregation manner
  • the transmission resource of the secondary cell in which the terminal device performs carrier aggregation for the data transmission includes a transmission resource in the first wireless communication system.
  • the method before the terminal device performs data transmission with the access network device by using the determined carrier aggregation manner, the method further includes:
  • capability indication information indicates: supporting use of a transmission resource in the first wireless communication system as a transmission in a secondary cell in a second wireless communication system Resources for data transfer.
  • the second wireless communications system is a Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • the method further includes:
  • an embodiment of the present invention provides a second wireless communication system, including an access network device and a terminal device.
  • the access network device is configured to determine a transmission resource in an idle state in the first wireless communication system, which is a usable transmission resource, and use the available transmission resource as data transmission with the terminal device. a transmission resource in the secondary cell of the carrier aggregation; performing data transmission with the terminal device on the determined transmission resource in the secondary cell aggregated by the carrier;
  • the terminal device is configured to perform data transmission with the access network device on a transmission resource in a secondary cell that is aggregated by the carrier that is determined by the access network device.
  • the access network device and the terminal device in the second wireless communication system can use the transmission resources in the second wireless communication system to perform data transmission, which alleviates the problem that the transmission resource of the second wireless communication system is tight.
  • the transmission resource usage efficiency of the first wireless communication system can also be improved. It is particularly suitable for the case where the transmission resources in the first wireless communication system are mostly in an idle state.
  • the transmission resource that can be used in the first wireless communication system is used as the transmission resource in the secondary cell of the second wireless communication system, and can effectively complement the data of the access network device and the terminal device in the second wireless communication system.
  • Other transmission resources used for transmission, from the perspective of the second wireless communication system, the transmission resources in the first wireless communication system can be regarded as part of the transmission resources of the first wireless communication system, and can be dedicated by the first wireless communication system, thereby avoiding Problems such as resource conflicts.
  • FIG. 1 is a schematic structural diagram of a second wireless communication system according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a primary cell and a secondary cell in a carrier aggregation scenario
  • Embodiment 3 is a flowchart of data transmission between an access network device and a terminal device in Embodiment 1;
  • GSM Global System of Mobile communication
  • FIG. 5 is a schematic diagram of a channel frame structure of a GSM system in Embodiment 2;
  • FIG. 6 is a schematic diagram of a transmission resource used in an LTE system in the GSM system in Embodiment 2;
  • FIG. 7 is a schematic diagram of a transmission resource mapping manner when a frequency point of a GSM system is mapped to one PRB of an LTE system in Embodiment 2;
  • FIG. 8 is a schematic diagram of an alternative manner of matching a frame structure of an LTE system with a frame structure of a GSM system in Embodiment 2;
  • FIG 9 is a third embodiment of the system using a third-generation LTE (3 rd Generation, 3G) system, a schematic diagram of transmission resources;
  • 3G third-generation LTE
  • FIG. 10 is a schematic structural diagram of a first access network device according to Embodiment 4.
  • FIG. 11 is a schematic structural diagram of a second access network device according to Embodiment 5.
  • FIG. 12 is a schematic structural diagram of a first terminal device according to Embodiment 6;
  • FIG. 13 is a schematic structural diagram of a second terminal device provided in Embodiment 7;
  • FIG. 15 is a flowchart of a second data transmission method provided in Embodiment 9.
  • the embodiments of the present invention provide an access network device, a terminal device, a data transmission method, and a system, which are used to solve the problem of tight transmission resources of a wireless communication system.
  • the access network device in the second wireless communication system uses the transmission resource usable in the first wireless communication system as the terminal in the second wireless communication system. And performing transmission data in the secondary cell of the carrier aggregation used for data transmission, and performing data transmission with the terminal device on the determined transmission resource in the secondary cell aggregated by the carrier.
  • the access network device and the terminal device in the second wireless communication system can use the transmission resources in the second wireless communication system to perform data transmission, which alleviates the problem that the transmission resource of the second wireless communication system is tight.
  • the transmission resource usage efficiency of the first wireless communication system can also be improved. It is particularly suitable for the case where the transmission resources in the first wireless communication system are mostly in an idle state.
  • the transmission resource that can be used in the first wireless communication system is used as the transmission resource in the secondary cell of the second wireless communication system, and can effectively complement the data of the access network device and the terminal device in the second wireless communication system.
  • Other transmission resources used for transmission, from the perspective of the second wireless communication system, the transmission resources in the first wireless communication system can be regarded as part of the transmission resources of the first wireless communication system, and can be dedicated by the first wireless communication system, thereby avoiding Problems such as resource conflicts.
  • the following is a scenario in which the second wireless communication system is an LTE system.
  • a voice service mainly by the second generation systems such as GSM (2 nd Generation, 2G) system, such as TD-SCDMA, or (Time Division-Synchronous Code Division Multiple Access, TD -SCDMA) systems
  • second generation systems such as GSM (2 nd Generation, 2G) system, such as TD-SCDMA, or (Time Division-Synchronous Code Division Multiple Access, TD -SCDMA) systems
  • third generation (3 rd Generation, 3G) systems provide, typically, LTE system provides high-speed data service only; here, for convenience of description, the 2G systems, 3G systems referred to as "conventional wireless communication system.”
  • the quality of the voice service provided by the LTE system can meet the service requirements.
  • the number of users of the conventional wireless communication system mainly used for providing voice services is decreasing, and the system usage rate is getting lower and lower.
  • the embodiment of the present invention may be used to transmit the resources of the traditional wireless communication system as the LTE system.
  • the effective supplement of resources can not only improve the resource utilization rate of the traditional wireless communication system, but also alleviate the problem of insufficient transmission resources of the LTE system.
  • system and “network” are often used interchangeably herein.
  • the term “and/or” in this context is merely an association describing the associated object, indicating that there may be three relationships, for example, A and / or B, which may indicate that A exists separately, and both A and B exist, respectively. B these three situations.
  • the character "/" in this article generally indicates that the contextual object is an "or" relationship.
  • Example main content Drawing Embodiment 1 Second wireless communication system Figure 1 to Figure 3 Embodiment 2 LTE system uses transmission resources in the GSM system Figure 4 to Figure 8 Embodiment 3 LTE system uses transmission resources in 3G systems Figure 9 Embodiment 4 First access network device Figure 10 Embodiment 5 Second access network device Figure 11 Embodiment 6 First terminal device Figure 12 Example 7 Second terminal device Figure 13 Example eight First data transmission method Figure 14 Example nine Second data transmission method Figure 15
  • FIG. 1 is a schematic structural diagram of a second wireless communication system according to Embodiment 1 of the present invention.
  • the second wireless communication system includes: an access network device 101 and a terminal device 102; wherein:
  • the access network device 101 is configured to use the transmission resource usable in the first wireless communication system as a transmission resource in a secondary cell that is used for carrier transmission using the terminal device 102 for data transmission, and Performing data transmission with the terminal device 102 on the transmission resource in the determined secondary cell of the carrier aggregation;
  • the terminal device 102 is configured to perform data transmission with the access network device 101 on the foregoing transmission resource.
  • the communication system of the second wireless communication system and the second wireless communication system includes but is not limited to: Global System of Mobile communication (GSM), Code Division Multiple Access (CDMA) IS- 95, Code Division Multiple Access (CDMA) 2000, Time Division-Synchronous Code Division Multiple Access (TD-SCDMA), Wideband Code Division Multiple Access (WCDMA) ), Time Division Duplexing-Long Term Evolution (TDD LTE), Frequency Division Duplexing-Long Term Evolution (FDD LTE), Long Term Evolution-Enhancement (Long Term Evolution- Advanced, LTE-advanced), Personal Handy-phone System (PHS), Wireless Fidelity (WiFi), and Worldwide Interoperability for Microwave Access (WiMAX) as defined by the 802.11 series of protocols.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • the GSM system and the CDMA IS-95 system may also be collectively referred to as a 2G system;
  • the CDMA2000 system, the TD-SCDMA system, and the WCDMA system may also be collectively referred to as a 3G system;
  • a TDD LTE system, an FDD LTE system, and an LTE- advanced system, and the subsequent evolution of the LTE system may be referred to as an LTE system, or fourth-generation (4 th Generation, 4G) mobile communication system, referred to as 4G system.
  • 4G system fourth-generation (4 th Generation, 4G) mobile communication system
  • the communication systems of the first wireless communication system and the second wireless communication system may be the same or different.
  • the first wireless communication system is a GSM system
  • the second wireless communication system is an LTE system
  • the first wireless communication system is a TD-SCDMA system
  • the second wireless communication system is an LTE system
  • the first wireless communication system is a 5G system
  • the second wireless communication system is an LTE system.
  • the device provides the transmission resource in the carrier aggregation secondary cell used for data transmission to solve the problem that the transmission resource is limited, and the solution provided by the embodiments of the present invention including the first embodiment can be used.
  • the terminal device 102 may be a wireless terminal, and the wireless terminal may be a device that provides voice and/or data connectivity to the user, a handheld device with a wireless connection function, or other processing device connected to the wireless modem.
  • the wireless terminal can communicate with one or more core networks via a radio access network (eg, RAN, Radio Access Network), which can be a mobile terminal, such as a mobile phone (or "cellular" phone) and with a mobile terminal
  • RAN Radio Access Network
  • the computers for example, can be portable, pocket-sized, handheld, computer-integrated or in-vehicle mobile devices that exchange language and/or data with the wireless access network.
  • a wireless terminal may also be called a Subscriber Unit, a Subscriber Station, a Mobile Station, a Mobile, a Remote Station, an Access Point, and a Remote Terminal.
  • Remote Terminal Access Terminal, User Terminal, User Agent, User Device, or User Equipment.
  • the access network device 101 may include a base station, or a radio resource management device for controlling the base station, or a base station and a radio resource management device for controlling the base station.
  • the base station may be a macro station or a small station, such as a small cell or a pico cell, and the base station may also be a home base station, such as a Home NodeB (HNB) or a Home evolved Node B. (Home eNodeB, HeNB), etc., the base station may also include a relay node or the like.
  • HNB Home NodeB
  • HeNB Home evolved Node B
  • the access network device 101 in the wireless communication system may be an evolved Node B (eNodeB), and the terminal 102 may be a UE;
  • the access network device 101 in the wireless communication system provided by the embodiment of the present invention may include: a Node B (NodeB) and/or a Radio Network Controller (RNC), and the terminal 102 It can be a user equipment (User Equipment, UE); for the GSM system, the connection provided by the embodiment of the present invention
  • the network access device 101 may include a Base Transceiver Station (BTS) and/or a Base Station Controller (BSC); the terminal 102 is a Mobile Station (MS); and for the WiFi system, the access network device 101
  • the terminal 102 may be an access point (AP) and/or an access controller (AC), and the terminal 102 may be a station (STAtion,
  • the above transmission resources may include transmission resources for carrying service data and/or signaling.
  • a transmission resource occupies one or more frequency points in a wireless communication system, which may also be referred to as a carrier; one or more time periods, which may also be referred to as time slots, or may be subdivided into symbols for an LTE system;
  • transmission resources may also occupy one or more codewords.
  • the different first wireless communication systems are distinguished, and the concept of the above transmission resources is exemplified.
  • the above transmission resources may occupy one or more time slots on one or more frequency points; for a TD-SCDMA system, when the above transmission resources may occupy one or more of one or more frequency points Some or all of the codewords in the slot; for the LTE system, the above transmission resources may also be referred to as "time-frequency resources", and may occupy some or all of the subcarriers on one or more symbols.
  • an access network device such as a base station can allocate multiple carriers, or cells, to a terminal device to increase the data rate of the terminal device.
  • CA Carrier Aggregation
  • the terminal device in the LTE CA may be the foregoing UE.
  • each UE corresponds to one primary cell (Pcell), FIG. 2 is cell 1 (Cell 1), and one or more secondary cells (Secondary Cell, Scell), 2 includes cell 2 and cell 3.
  • Both the primary cell and the secondary cell may be used to provide transmission resources for uplink and/or downlink data transmission between the access network device and the UE; the UE receives paging in the primary cell and can perform contention-based random access in the primary cell. process.
  • the transmission resource in the first wireless communication system is used as the transmission resource in the secondary cell aggregated by the carrier used for data transmission by the terminal device 102, and the transmission of the data transmission to the terminal device 102 is implemented.
  • An effective supplement to resources Of course, it is not excluded that the transmission resources used by the terminal device 102 for data transmission are only from the case of the first wireless communication system.
  • the access network device 101 may receive the capability indication information sent by the terminal device 102, where the capability indication information is used to indicate that the terminal device 102 can use the first wireless device.
  • the transmission resource in the communication system performs data transmission as a transmission resource in the secondary cell in the second wireless communication system.
  • the terminal device 102 in the second wireless communication system supports the use of the transmission resource in the first wireless communication system to perform data transmission as the transmission resource in the secondary cell in the second wireless communication system, the terminal device 102 may not be needed.
  • the access network device 101 can directly use the transmission resource in the first wireless communication system to perform data transmission with the terminal device 102.
  • the terminal device 102 supporting the multi-purpose communication indication including the communication systems of the first wireless communication system and the second wireless communication system may use the transmission resource in the first wireless communication system as the second wireless communication.
  • the transmission resource in the secondary cell in the system performs data transmission.
  • the terminal device 102 does not need to send the capability indication information, and the access network device 101 can directly use the transmission resource in the first wireless communication system and the terminal device 102. data transmission.
  • the access network device 101 may also send a measurement configuration command to the terminal device 102 instructing the terminal device 102 to measure the received wireless signal of the first wireless communication system.
  • the access network device 101 may send the foregoing measurement configuration instruction to the terminal device 102 after receiving the foregoing capability indication information sent by the terminal device 102.
  • the access network device 101 can determine the channel quality of the wireless channel in the first wireless communication system according to the measurement report reported by the terminal device 102, perform channel tracking, such as tracking of downlink synchronization, and channel maintenance, and obtain the first wireless communication system by measurement. Accurate timing and so on.
  • the access network device 101 may first determine the transmission resource usable in the first wireless communication system as the transmission resource in the secondary cell aggregated with the carrier used for data transmission by the terminal device 102. A transmission resource usable in the first wireless communication system.
  • the access network device 101 may also map the transmission resources usable in the first wireless communication system to time-frequency resources, which are convenient to be allocated to The terminal device 102 is used.
  • the access network device 101 may also send a resource allocation instruction to the terminal device 102 after determining the transmission resources usable in the first wireless communication system, and allocate the determined transmission resources usable in the first wireless communication system to the terminal.
  • the device 102 instructs the terminal to perform data transmission by using the transmission resource allocated in the resource allocation instruction. Thereafter, the access network device 101 and the terminal device 102 can perform data transmission using the transmission resources allocated by the resource allocation instruction.
  • the access network device 101 may indicate information about the allocated transmission resource, such as: a frequency domain location, a time domain location, a modulation and coding scheme, etc., and the terminal device 102 may determine, according to the foregoing information, the available transmission. Resources, and the way in which the transport resource is used.
  • an optional process for the access network device 101 and the terminal device 102 to perform data transmission using the transmission resources in the first wireless communication system may include the following steps:
  • the terminal device 102 sends the capability indication information to the access network device 101, indicating that the terminal device 102 can perform data transmission by using the transmission resource in the first wireless communication system.
  • the access network device 101 sends a measurement configuration instruction to the terminal device 102, instructing the terminal device 102 to perform measurement on the wireless signal of the first wireless communication system; the step may also be performed at other times in the entire process, not limited to the step S301. Between S302 and S302, for example, after step S306;
  • the access network device 101 determines a transmission resource usable in the first wireless communication system
  • the access network device 101 maps the transmission resources usable in the first wireless communication system to time-frequency resources.
  • the transmission resources usable in the first wireless communication system are mapped to time-frequency resources before the data transmission is performed using the transmission resources in the first wireless communication system, which is convenient.
  • the access network device 101 allocates transmission resources to the terminal device 102; when the second wireless communication system is a wireless communication system of another system, the access network device 101 may also map the transmission resources usable in the first wireless communication system to The physical resources of the wireless communication system of the other system can also facilitate the allocation of the transmission resources of the wireless communication system of the other system to the terminal device 102.
  • the access network device 101 sends a resource allocation instruction to the terminal device 102, and allocates, to the terminal device 102, the transmission resources usable in the first wireless communication system determined above;
  • the access network device 101 may also not transmit the resource allocation instruction, but may perform data transmission on the transmission resource usable by the determined first wireless communication system by using the resource scheduling method in the LTE system.
  • S306 The terminal device 102 and the access network device 101 perform data transmission using the transmission resources in the first wireless communication system.
  • step S301, step S302, and step S305 may be high layer signaling, such as radio resource control (RRC) signaling, or medium access control (MAC) layer signaling or physical layer. Signaling.
  • RRC radio resource control
  • MAC medium access control
  • the manner in which the access network device 101 determines the transmission resources that can be used in the first wireless communication system includes, but is not limited to, the following manners:
  • the access network device 101 determines a transmission resource in an idle state in the first wireless communication system as a usable transmission resource.
  • the transmission resource in an idle state may be a transmission resource that does not transmit service data and control signaling.
  • the access network device 101 may determine, in the first wireless communication system, a transmission resource for carrying service data in an idle state, which is a usable transmission resource. For example, a time slot, a subframe, a symbol, a subcarrier, and the like for carrying service data in an idle state. In this way, the influence on the first wireless communication system can be minimized, and the normal communication of the first wireless communication system can be ensured.
  • the common channel transmitted in the first wireless communication system can be reserved.
  • These common channels may include: a broadcast channel, a paging channel, a random access channel, and the like.
  • the transmission resources usable in the first wireless communication system may be located in the same or multiple transmission resource allocation units in the first wireless communication system.
  • the transmission resource allocation unit may be a time slot.
  • the first wireless communication system is a 2G system or a 3G system
  • the second wireless communication system is an LTE system.
  • the access network device 101 determines that the first wireless communication system can use the transmission.
  • the resource, and an alternative to determining that the transmission resource usable in the first wireless communication system is a transmission resource in a secondary cell of carrier aggregation in the second wireless communication system.
  • the access network device 101 can determine the transmission resources usable in the first wireless communication system according to the timing relationship of the first wireless communication system and the second wireless system.
  • the access network device 101 may determine, from the transmission resources in the first wireless communication system that have the same starting position as the OFDM symbol or the subframe in the second communication system, the available transmission resources;
  • the access network device 101 can start data transmission with the terminal device 102 at the start position of the determined usable transmission resource.
  • the access network device 101 may determine, from the transmission resources in the first wireless communication system that are offset from the start position of the OFDM symbol or the subframe in the second communication system, the available transmission resources; The access network device 101 can start data transmission with the terminal device 102 at a timing offset set from the start position of the above-mentioned usable transmission resource.
  • the access network device 101 can obtain the foregoing timing relationship from the terminal device 102.
  • the terminal device 102 receives the synchronization signals sent by the first wireless communication system and the second wireless communication system, respectively, and determines the timing relationship of the two systems according to the received synchronization signals.
  • the terminal device 102 receives the Primary Synchronization Signal (PSS) and/or the secondary synchronization signal in the LTE system. SSS), determining a frame start position and the like of the LTE system according to the received synchronization signal.
  • the terminal device 102 receives the pilot signal in the GSM, determines the starting position of the TDMA frame of the GSM system according to the received pilot signal, and determines the timing relationship by comparing the obtained frame start positions of the two wireless communication systems. .
  • the transmission resource that can be used in the first wireless communication system determined by the access network device 101 may be a transmission resource in an idle state in the first wireless communication system, or further, may be idle in the first wireless communication system.
  • the transmission resource of the state used to carry the service data may be a transmission resource in an idle state in the first wireless communication system, or further, may be idle in the first wireless communication system.
  • the downlink transmission is based on the Orthogonal Frequency Division Multiplexing Access (OFDMA) multiple access method; the uplink transmission is based on the single carrier frequency division multiplexing multiple access (Single Carrier–Frequency Division Multiplexing) Access, SC-FDMA) Multiple Access Mode.
  • OFDMA Orthogonal Frequency Division Multiplexing Access
  • SC-FDMA Single Carrier–Frequency Division Multiplexing
  • the transmission resources are mapped to OFDM symbols in the time domain dimension and subcarriers in the frequency domain dimension; for uplink transmission, the transmission resources are mapped to SC-FDMA symbols in the frequency domain dimension.
  • the above transmission resources in the LTE system are referred to as "time-frequency resources”.
  • a time-frequency resource for performing service data transmission a minimum allocation unit in the frequency domain is a physical resource block (PRB), and a PRB includes a continuous 12 sub-carriers.
  • PRB physical resource block
  • Each subcarrier has a width of 15 kHz and a PRB has a width of 180 kHz in the frequency domain.
  • the access network device 101 can map the transmission resources usable in the first wireless communication system to time-frequency resources, so that the access network device 101 can
  • the transmission resource is allocated for use by the terminal device 102, and since it is mapped to the time-frequency resource in the LTE system, the frame structure of the LTE system may not be changed, and the terminal device 102 may perform data transmission in the same manner as the current LTE, and better with LTE. System compatible.
  • the time-frequency resource mapped by the access network device 101 may occupy one or more orthogonal frequency division multiplexing (OFDM) symbols in the time domain, and may occupy one or more physical resource blocks in the frequency domain (Physical Resource Block, PRB).
  • OFDM orthogonal frequency division multiplexing
  • the time-frequency resource mapped by the access network device 101 can occupy half subframes, one subframe or multiple subframes in the time domain, and can occupy one or more PRBs in the frequency domain.
  • the first wireless communication system is the GSM system
  • the second wireless communication system is the LTE system
  • the access network device 101 and the terminal device 102 in the first wireless communication system are used in the first embodiment.
  • the first wireless communication system is a 3G system
  • the second wireless communication system is an LTE system
  • the access network device 101 and the terminal device 102 in the first wireless communication system are used in the first embodiment.
  • the first wireless communication system is a GSM system
  • the second wireless communication system is an LTE system.
  • Access network equipment in the first wireless communication system and access network equipment in the second wireless communication system can be co-located, that is, located in the same access network device, or the transmission line between the two is an ideal backhaul, that is, the signal transmission delay between the two is less than the specified delay threshold.
  • a GSM base station and an LTE base station directly connected through an optical fiber.
  • the spectrum resource of the network referred to as "GSM system” is 10 MHz.
  • Figure 4 shows a schematic diagram of the frequency networking of the GSM system.
  • the GSM system includes a plurality of available frequency points, and the bandwidth of the channel corresponding to one frequency point is 200 kHz.
  • the frequency point is from 45 to 94.
  • the broadcast control channel (BCCH) has a frequency point number from 81 to 94, a total of 14 frequency points, and a frequency point 82 and a frequency point 81 are reserved.
  • one base station A in the GSM system includes three cells: cell A1, cell A2, and cell A3.
  • the base station A can use 12 frequency points of 200 kHz.
  • the identifiers of the first behavior cell are the three cells included in the base station A, that is, the frequency points that the cell A1, the cell A2, and the cell A3 can respectively use, B1, B2, B3, and C1.
  • C2, C3, D1, D2, and D3 are frequency points that other base stations can use.
  • the TDMA frame is composed of 8 time slots, and the length of the TDMA frame is (60/13) ms.
  • the time slot is the smallest unit of resource allocation. Each time slot can only be allocated to one terminal device.
  • the length of one time slot (60/13/8) is approximately equal to 0.577 ms.
  • the frequency points that the cell A1 can use are 94, 80, 68, and 56, respectively.
  • a frequency point of the GSM system can be configured for use by the terminal device 102 as the frequency of one PRB in the LTE system.
  • the transmission resources usable in the GSM system are mapped to the time-frequency resources in the LTE system
  • the bandwidth of the channel corresponding to one frequency point of the GSM system is 200 kHz
  • the width of one PRB in the LTE system is 180 k. Therefore, the carrier bandwidth configuration of the LTE system can be directly adopted, and a 180 kHz PRB is composed of 12 carriers.
  • multiple time slots in the GSM system may correspond to one or more subframes in the LTE system.
  • the length of the TDMA subframe is 60/13, which is about 4.62 ms, which can correspond to 4 subframes in the LTE system.
  • the transmission resources usable in the GSM system can also be mapped to one or more symbols in the LTE system to achieve greater flexibility.
  • the length of one time slot of the GSM system is 0.577 ms, which can correspond to the normal cyclic prefix (Cyclic Prefix, CP) in the LTE system. 8 symbols, so it can be mapped to 8 symbols in the LTE system.
  • FIG. 7 shows a transmission resource mapping manner when one frequency point of the GSM system is mapped to one PRB of the LTE system.
  • Figure 8 illustrates an alternative way to match the frame structure of an LTE system to the frame structure of a GSM system.
  • the half multiframe in the multiframe of 26 TDMA frames in the current GSM system is used as a 60 ms radio frame, and the 60 ms long radio frame is divided into 10 subframe groups, and the length of each subframe group is 6 ms, one subframe group includes 6 subframes of 1 ms length, the length of the subframe is equal to the length of the subframe in the current LTE system, one subframe includes 2 slots, and one slot includes 7 symbols (this Taking a normal CP as an example, a symbol includes a signal portion and a CP portion.
  • the frame structure from the subframe to the symbol is the same as the frame structure in the current LTE system, and can implement the current LTE. A good match for the system.
  • the access network device 101 can schedule the terminal device 102 to transmit and receive data according to the subframe and the PRB structure of the LTE system on the idle channel in the GSM system.
  • the first wireless communication system is a 3G system
  • the second wireless communication system is an LTE system.
  • the access network device in the first wireless communication system and the access network device 101 in the second wireless communication system may be co-located, that is, located in the same access network device, or
  • the transmission line is the ideal backhaul line.
  • the access network device 101 can also configure the terminal device 102 to use the cell in the LTE system as the primary cell for carrier aggregation, and use the transmission resource in the 3G system as the transmission resource in the secondary cell of the carrier aggregation used by the terminal device 102. transmission.
  • the access network device 101 when there is an idle transmission resource in the 3G system, notifies the terminal device 102 to send and receive data on the transmission resource in the GSM system according to the secondary cell under the carrier aggregation in the LTE system.
  • one base station of the 3G system includes three cells, namely, cell 1, cell 2, and cell 3, and the shaded portion is a transmission resource usable in the 3G system.
  • FIG. 10 is a schematic structural diagram of a first access network device according to Embodiment 4. As shown in FIG. 10, the access network device includes:
  • the processing unit 1001 is configured to determine a transmission resource in an idle state in the first wireless communication system, which is a usable transmission resource, and use the determined available transmission resource as an access network device and a second wireless communication system. a transmission resource in a secondary cell of a carrier aggregation used by the terminal device for data transmission;
  • the transceiver unit 1002 is configured to perform data transmission with the terminal device on the transmission resource in the secondary cell aggregated by the carrier determined by the processing unit 1001.
  • processing unit 1001 is specifically configured to:
  • a transmission resource for carrying service data in an idle state in the first wireless communication system is determined to be a usable transmission resource.
  • the second wireless communication system is a long term evolution LTE system
  • the processing unit 1001 is specifically configured to:
  • Determining a timing relationship of the first wireless communication system and the second wireless system Determining a timing relationship of the first wireless communication system and the second wireless system; and, according to the determined timing relationship, from a transmission resource in the first wireless communication system having the same starting position as the OFDM symbol or the subframe in the second communication system, Determine the available transmission resources;
  • the transceiver unit 1002 is specifically configured to start data transmission with the terminal device at a starting position of the available transmission resource.
  • the processing unit 1001 is specifically configured to: determine a timing relationship between the first wireless communication system and the second wireless system; and, according to the determined timing relationship, from the first wireless communication system and the OFDM symbol or the second communication system Determining a usable transmission resource in a transmission resource whose timing position difference is set to a timing deviation;
  • the transceiver unit 1002 is specifically configured to start data transmission with the terminal device at a timing offset set from a starting position of the available transmission resource.
  • the processing unit 1001 is further configured to: before determining the transmission resource that can be used in the first wireless communication system, before determining that the available transmission resource is the transmission resource in the secondary cell of the carrier aggregation in the second wireless communication system,
  • the processing unit 1001 is specifically configured to:
  • the time-frequency resource obtained by mapping is used as a transmission resource in a secondary cell of carrier aggregation in the second wireless communication system.
  • the time-frequency resource mapped by the processing unit 1001 occupies one or more orthogonal frequency division multiplexing OFDM symbols in the time domain.
  • the time-frequency resource mapped by the processing unit 1001 occupies half a subframe, one subframe, or multiple subframes in the time domain.
  • the available transmission resources are located in the same or multiple transmission resource allocation units in the first wireless communication system.
  • the transceiver unit 1002 is further configured to: before performing data transmission with the terminal device,
  • the transceiver unit 1002 is further configured to:
  • the operations performed by the processing unit 1001 can be referred to the processing and control operations of the access network device 101 in the first to third embodiments.
  • the operations performed by the transceiver unit 1002 can be referred to the first to third embodiments.
  • the access network device 101 performs operations of data transmission and signaling transmission.
  • the communication system of the first wireless communication system and the second wireless communication system the concept of the transmission resource, the concept of the time-frequency resource, and the concept of carrier aggregation can be referred to the related description in the first embodiment.
  • the base station for example, the base station, the radio resource management device for controlling the base station, and the like, refer to the related description of the access network device 101 in the first embodiment.
  • the measurement configuration command, the transmission resource allocation instruction, the capability indication information sent by the terminal device, and the like refer to the related description in the first embodiment to the third embodiment.
  • mapping of the transmission resources that can be used by the processing unit 1001 in the first wireless communication system
  • the processing unit 1001 determines the transmission resources that can be used in the first wireless communication system, and the optional implementation of the transmission network resources to the terminal device. For reference, refer to the related processing of the access network device 101 in the first embodiment to the third embodiment.
  • the processing unit 1001 may be implemented by one or more processors, and the transceiver unit 1002 may be implemented by one or more transceivers or by one or more transmitters and one or more receivers.
  • FIG. 11 is a schematic structural diagram of a second access network device according to Embodiment 5. As shown in FIG. 11, the access network device includes:
  • the processor 1101 is configured to determine a transmission resource in an idle state in the first wireless communication system, which is a usable transmission resource, and use the determined available transmission resource as an access network device and a second wireless communication system. a transmission resource in a secondary cell of a carrier aggregation used by the terminal device for data transmission;
  • the transceiver 1102 is configured to perform data transmission with the terminal device on the transmission resource in the secondary cell of the carrier aggregation determined by the processor 1101.
  • processor 1101 may refer to the processing unit 1001.
  • transceiver 1102 may refer to the transceiver unit 1002.
  • the operations that can be performed by the processor 1101 refer to the processing and control operations of the access network device 101 in the first embodiment to the third embodiment.
  • the operations that can be performed by the transceiver 1102 refer to the access network device 101 in the first to third embodiments. Perform data transmission and signaling transmission operations.
  • the communication system of the first wireless communication system and the second wireless communication system the concept of the transmission resource, the concept of the time-frequency resource, and the concept of carrier aggregation can be referred to the related description in the first embodiment.
  • the base station for example, the base station, the radio resource management device for controlling the base station, and the like, refer to the related description of the access network device 101 in the first embodiment.
  • the measurement configuration command, the transmission resource allocation instruction, the capability indication information sent by the terminal device, and the like refer to the related description in the first embodiment to the third embodiment.
  • the processor 1101 can refer to the processing of the access network device 101 when mapping the transmission resources in the first embodiment to the third embodiment.
  • the processor 1101 may include one or more processors
  • the transceiver 1102 may include one or more transceivers, or include one or more transmitters and one or more receivers.
  • FIG. 12 is a schematic structural diagram of a first terminal device according to Embodiment 6. As shown in FIG. 12, the terminal device includes:
  • the processing unit 1201 is configured to determine, by using a carrier aggregation manner, data transmission with an access network device in the second wireless communication system;
  • the transceiver unit 1202 performs data transmission with the access network device by using a carrier aggregation method determined by the processing unit 1201.
  • the transmission resource of the secondary cell of the carrier aggregation used by the transceiver unit 1202 for data transmission includes the transmission resource in the first wireless communication system.
  • the transceiver unit 1202 is further configured to: before performing data transmission with the access network device by using the determined carrier aggregation manner,
  • the capability indication information is sent to the access network device, and the capability indication information indicates that the transmission resource in the first wireless communication system is used to perform data transmission as the transmission resource in the secondary cell in the second wireless communication system.
  • the second wireless communication system is a Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • the transceiver unit 1202 is further configured to: receive a measurement configuration instruction sent by the access network device;
  • the processing unit 1201 is further configured to: perform measurement on the wireless signal of the first wireless communication system received by the transceiver unit 1202 according to the measurement configuration instruction.
  • the operations performed by the processing unit 1201 can refer to the processing and control operations of the terminal device 102 in the first embodiment to the third embodiment.
  • the operations that can be performed by the transceiver unit 1202 refer to the first embodiment.
  • the terminal device 102 performs operations of data transmission and signaling transmission.
  • the communication system of the first wireless communication system and the second wireless communication system the concept of the transmission resource, the concept of the time-frequency resource, and the concept of carrier aggregation can be referred to the related description in the first embodiment.
  • the terminal device such as a wireless terminal, a cellular phone, etc.
  • the terminal device refers to the related description of the terminal device 102 in the first embodiment.
  • transceiver unit 1202 receiving the measurement configuration command, the receiving resource allocation command, the sending capability indication information, and the like, refer to the related description in the first embodiment to the third embodiment.
  • the processing unit 1201 may be implemented by one or more processors, and the transceiver unit 1202 may be implemented by one or more transceivers or by one or more transmitters and one or more receivers.
  • FIG. 13 is a schematic structural diagram of a second terminal device according to Embodiment 7. As shown in FIG. 13, the terminal device includes:
  • the processor 1301 is configured to determine, by using a carrier aggregation manner, data transmission with an access network device in the second wireless communication system;
  • the transceiver 1302 performs data transmission with the access network device by using a carrier aggregation method determined by the processor 1301.
  • the transmission resource of the secondary cell of the carrier aggregation used by the transceiver 1302 for data transmission includes the transmission resource in the first wireless communication system.
  • processor 1301 may refer to the foregoing processing unit 1201.
  • transceiver 1302 may refer to the foregoing transceiver unit 1202.
  • the operations performed by the processor 1301 can refer to the processing and control operations of the terminal device 102 in the first embodiment to the third embodiment.
  • the operations performed by the transceiver 1302 can refer to the terminal device 102 in the first embodiment to the third embodiment for data transmission.
  • the communication system of the first wireless communication system and the second wireless communication system the concept of the transmission resource, the concept of the time-frequency resource, and the concept of carrier aggregation can be referred to the related description in the first embodiment.
  • the terminal device in the seventh embodiment such as a wireless terminal, a cellular phone, etc., refer to the related description of the terminal device 102 in the first embodiment.
  • transceiver 1302 receiving the measurement configuration command, the receiving resource allocation command, the sending capability indication information, and the like, refer to the related description in the first embodiment to the third embodiment.
  • the processor 1301 may include one or more processor implementations, and the transceiver 1302 may include one or more transceivers, or include one or more transmitters and one or more receivers.
  • FIG. 14 is a flowchart of a first data transmission method provided in Embodiment 8. As shown in FIG. 14, the method includes the following steps:
  • the access network device in the second wireless communication system determines a transmission resource in an idle state in the first wireless communication system, and is a transmit resource that can be used;
  • the access network device uses the determined available transmission resource as a transmission resource in a secondary cell that is aggregated with a carrier used for data transmission by the terminal device in the second wireless communication system;
  • the access network device performs data transmission with the terminal device on the transmission resource in the determined secondary cell of the carrier aggregation.
  • the access network device determines a transmission resource that is in an idle state in the first wireless communication system, and is a transmit resource that can be used, including:
  • the access network device determines, in the first wireless communication system, a transmission resource for carrying service data in an idle state, which is a usable transmission resource.
  • the second wireless communication system is a long term evolution LTE system
  • the access network device determines transmission resources usable in the first wireless communication system, including:
  • the access network device determines a timing relationship between the first wireless communication system and the second wireless system; and a root Determining, according to the determined timing relationship, a transmission resource that can be used from a transmission resource in the first wireless communication system that has the same starting position as an OFDM symbol or a subframe in the second communication system;
  • the access network device performs data transmission with the terminal device on the transmission resource in the determined secondary cell of the carrier aggregation, including:
  • the access network device begins data transmission with the terminal device at the beginning of the available transmission resources.
  • the access network device determines the transmission resources usable in the first wireless communication system, including:
  • the access network device determines a timing relationship between the first wireless communication system and the second wireless system; and sets a difference from a starting position of the OFDM symbol or the subframe in the second communication system from the first wireless communication system according to the determined timing relationship Determining available transmission resources in the transmission resources of the timing offset;
  • the access network device performs data transmission with the terminal device on the transmission resource in the determined secondary cell of the carrier aggregation, including:
  • the access network device begins data transmission with the terminal device at a timing offset set from the starting position of the available transmission resource.
  • the method further includes:
  • the access network device maps the available transmission resources to time-frequency resources
  • the access network device determines that the available transmission resource is the transmission resource in the secondary cell aggregated by the carrier in the second wireless communication system, including:
  • the access network device uses the mapped time-frequency resource as the transmission resource in the secondary cell in which the carrier is aggregated in the second wireless communication system.
  • the mapped time-frequency resource occupies one or more orthogonal frequency division multiplexing OFDM symbols in the time domain.
  • the time-frequency resource obtained by the mapping occupies half subframe, one subframe or multiple subframes in the time domain.
  • the available transmission resources are located in the same or multiple transmissions in the first wireless communication system In the resource allocation unit.
  • the method before the data transmission between the access network device and the terminal device, the method further includes:
  • the access network device receives the capability indication information sent by the terminal device, where the capability indication information is used to indicate that the terminal device can use the transmission resource in the first wireless communication system to perform data transmission as a transmission resource in the secondary cell in the second wireless communication system. .
  • it also includes:
  • the access network device sends a measurement configuration command to the terminal device, instructing the terminal device to perform measurement on the received wireless signal of the first wireless communication system.
  • FIG. 15 is a flowchart of a second data transmission method provided in Embodiment 9. As shown in FIG. 15, the method includes:
  • the terminal device in the second wireless communication system determines to perform data transmission with the access network device in the second wireless communication system by using carrier aggregation;
  • the terminal device performs data transmission with the access network device by using a determined carrier aggregation manner
  • the transmission resource of the secondary cell of the carrier aggregation used by the terminal device for data transmission includes the transmission resource in the first wireless communication system.
  • the method further includes:
  • the terminal device sends the capability indication information to the access network device, where the capability indication information indicates that the transmission resource in the first wireless communication system is used to perform data transmission as the transmission resource in the secondary cell in the second wireless communication system.
  • the second wireless communication system is a Long Term Evolution (LTE) system.
  • LTE Long Term Evolution
  • it also includes:
  • the terminal device receives the measurement configuration command sent by the access network device, and connects according to the measurement configuration command.
  • the wireless signal of the received first wireless communication system is measured.
  • the access network device in the second wireless communication system uses the transmission resource usable in the first wireless communication system as the carrier used for data transmission with the terminal device in the second wireless communication system.
  • the access network device and the terminal device in the second wireless communication system can use the transmission resources in the second wireless communication system to perform data transmission, which alleviates the problem that the transmission resource of the second wireless communication system is tight.
  • the transmission resource usage efficiency of the first wireless communication system can also be improved. It is particularly suitable for the case where the transmission resources in the first wireless communication system are mostly in an idle state.
  • the transmission resource that can be used in the first wireless communication system is used as the transmission resource in the secondary cell of the second wireless communication system, and can effectively complement the data of the access network device and the terminal device in the second wireless communication system.
  • Other transmission resources used for transmission, from the perspective of the second wireless communication system, the transmission resources in the first wireless communication system can be regarded as part of the transmission resources of the first wireless communication system, and can be dedicated by the first wireless communication system, thereby avoiding Problems such as resource conflicts.
  • the transmission resource in the idle state in the first wireless communication system as the above-mentioned usable transmission resource, collision with the communication in the first wireless communication system can be avoided, and inter-system interference can be reduced.
  • the transmission resource for carrying service data in the idle state in the first wireless communication system is used as the above-mentioned usable transmission resource, and does not occupy the common channel in the first wireless communication system, thereby not affecting the first wireless. Normal communication of the communication system.
  • the available transmission resources are mapped to time-frequency resources for use in distribution to the terminal device before using the above-mentioned usable transmission resources in the first wireless communication system.
  • the mapping is a time-frequency resource in the LTE system, the frame structure of the LTE system may not be changed, and the terminal device 102 may perform data transmission in the same manner as the current LTE, and is better compatible with the LTE system.
  • the terminal device may be configured to measure the wireless signal of the first wireless communication system to obtain information such as signal quality of the first wireless communication system.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

L'invention concerne le domaine technique des communications sans fil, et plus particulièrement, un équipement de réseau d'accès, un dispositif terminal, et un procédé et un système de transmission de données configurés de manière à résoudre un problème de ressources de transmission limitées dans des systèmes de communication sans fil, tel qu'un système d'évolution à long terme (LTE). Dans un mode de réalisation de l'invention, un équipement de réseau d'accès d'un second système de communication sans fil comprend : une unité de traitement configurée de manière à déterminer une ressource de transmission inactive dans un premier système de communication sans fil comme étant une ressource de transmission disponible, la ressource de transmission disponible déterminée servant de ressource de transmission dans une cellule secondaire associée à une configuration d'agrégation de porteuses et utilisée dans la transmission de données par l'équipement de réseau d'accès et un dispositif terminal dans le second système de communication sans fil ; et une unité de réception/transmission configurée de manière à effectuer une transmission de données par l'intermédiaire du dispositif terminal sur la ressource de transmission dans la cellule secondaire associée à la configuration d'agrégation de porteuses et déterminée par l'unité de traitement. L'équipement de réseau d'accès et le dispositif terminal du second système de communication sans fil peuvent utiliser la ressource de transmission dans le premier système de communication sans fil de manière à effectuer une transmission de données, atténuant ainsi un problème de ressource de transmission limitée dans le second système de communication sans fil.
PCT/CN2015/089269 2015-09-09 2015-09-09 Équipement de réseau d'accès, dispositif terminal, et procédé et système de transmission de données WO2017041252A1 (fr)

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CN107005852A (zh) 2017-08-01

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