WO2015127854A1 - 多模无线终端 - Google Patents

多模无线终端 Download PDF

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Publication number
WO2015127854A1
WO2015127854A1 PCT/CN2015/072591 CN2015072591W WO2015127854A1 WO 2015127854 A1 WO2015127854 A1 WO 2015127854A1 CN 2015072591 W CN2015072591 W CN 2015072591W WO 2015127854 A1 WO2015127854 A1 WO 2015127854A1
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WO
WIPO (PCT)
Prior art keywords
module
wireless communication
communication system
transceiver module
baseband
Prior art date
Application number
PCT/CN2015/072591
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English (en)
French (fr)
Inventor
刘朋飞
张祖元
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to KR1020167025275A priority Critical patent/KR101836199B1/ko
Priority to US15/120,983 priority patent/US9800443B2/en
Priority to EP15754997.3A priority patent/EP3099138B1/en
Priority to JP2016554238A priority patent/JP6363722B2/ja
Priority to RU2016138071A priority patent/RU2658656C2/ru
Priority to BR112016019716A priority patent/BR112016019716B1/pt
Publication of WO2015127854A1 publication Critical patent/WO2015127854A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/0871—Hybrid systems, i.e. switching and combining using different reception schemes, at least one of them being a diversity reception scheme
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/02—Capturing of monitoring data
    • H04L43/028—Capturing of monitoring data by filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the embodiments of the present invention relate to the field of wireless communications technologies, and in particular, to a multimode wireless terminal.
  • wireless terminals such as mobile phones mostly support a variety of wireless communication systems, such as Global System for Mobile Communications (GSM), Code Division Multiple Access (CDMA), and wireless security. Wireless Fidelity (WiFi), etc.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • WiFi Wireless Fidelity
  • some dual-card dual-standby mobile phones generally support both GSM and CDMA or GSM and Wideband Code Division Multiple Access (WCDMA), which are popular among many consumers.
  • GSM Global System for Mobile Communications
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • each system uses a separate antenna to transmit and receive data, but since a wireless communication system may have both data services and call services, and data services and call services occupy the same channel resources, In order to guarantee the call rate of the wireless terminal's call service, it is necessary to reserve channel resources for the call service to monitor the call service, but this will sacrifice the rate of the data service.
  • Embodiments of the present invention provide a multimode wireless terminal for improving reception performance of a multimode wireless terminal.
  • the first aspect provides a multi-mode wireless terminal, including: a first wireless communication system path and a second wireless communication system path, where the first wireless communication system is different from the second wireless communication system;
  • the first wireless communication system path includes a first antenna module, a first transceiver module, and a first baseband module, wherein the first antenna module is connected to the first transceiver module, and the first transceiver module and the first a baseband module connection;
  • the second wireless communication system path includes a second antenna module, a second transceiver module, and a second baseband module, wherein the second antenna module is connected to the second transceiver module, and the second transceiver module is coupled to the second transceiver module Two baseband module connections;
  • the second transceiver module is connected to the first baseband module
  • the second transceiver module includes a control unit, and the control unit is configured to control, in the idle time slot of the second wireless communication system, the second antenna module and the second transceiver module as the first baseband module Diversity receive path.
  • the second wireless communication system path further includes a second filtering module
  • the passband of the second filtering module is located in a receiving frequency band of the first wireless communication system and a receiving frequency band of the second wireless communication system;
  • the second baseband module and the second transceiver module are connected by the second filtering module, and the first baseband module and the second transceiver module are connected by the second filtering module.
  • the second wireless communication system includes a first receiving frequency band and a second receiving frequency band, where a passband of the second filtering module is located a receiving frequency band of the first wireless communication system and a first receiving frequency band of the second wireless communication system;
  • the second wireless system path further includes a third filtering module
  • the passband of the third filtering module is located in a second receiving frequency band of the second wireless communication system, and the third filtering module is located between the second baseband module and the second transceiver module.
  • the control unit is further configured to: when the multi-mode wireless terminal operates in a first frequency band of the second wireless communication system, control the second transceiver module to be connected to the second filtering module; When the modulo wireless terminal operates in the second frequency band of the second wireless communication system, the second transceiver module is controlled to be connected to the third filtering module.
  • control unit is further configured to: when the multi-mode wireless terminal operates in a second receiving frequency band of the second wireless communication system And controlling, by the second transceiver module, the second filtering module to be connected in a first receiving frequency band of the second wireless communication system and an idle time slot of the second receiving frequency band.
  • the first transceiver module is connected to the second baseband module
  • the first transceiver module includes a second control unit, and the second control unit is configured to control, in the idle time slot of the first wireless communication system, the first antenna module and the first transceiver module as the The diversity receive path of the two baseband modules.
  • the first wireless communication system path further includes a first filtering module
  • the passband of the first filtering module is located in a receiving frequency band of the second wireless communication system and a receiving frequency band of the first wireless communication system;
  • the first baseband module and the first transceiver module are connected by the first filtering module, and the second baseband module and the first transceiver module are connected by the first filtering module.
  • the first wireless communication system is code division multiple access CDMA
  • the second wireless communication system is the Global System for Mobile Communications (GSM).
  • the multimode wireless terminal provided by the embodiment of the present invention adopts an antenna module and a transceiver module of a wireless communication system in a multimode wireless terminal as a diversity receiving channel of another wireless communication system, and is used in a transceiver module as diversity reception.
  • a control unit is configured to control the antenna module and the transceiver module to serve as a diversity receiving channel of another wireless communication system in an idle time slot, so that one wireless communication system of the multi-mode wireless terminal can use another wireless communication standard idle time slot. The signal is received, thereby improving the reception performance of the multimode wireless terminal.
  • Embodiment 1 is a schematic structural diagram of Embodiment 1 of a multimode wireless terminal according to an embodiment of the present invention
  • Embodiment 2 is a schematic structural diagram of Embodiment 2 of a multimode wireless terminal according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of Embodiment 3 of a multimode wireless terminal according to an embodiment of the present disclosure
  • Embodiment 4 is a schematic structural diagram of Embodiment 4 of a multimode wireless terminal according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 5 of a multimode wireless terminal according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of Embodiment 6 of a multimode wireless terminal according to an embodiment of the present invention.
  • the prior art multi-mode wireless terminal for example, a dual-card dual-standby mobile phone supporting both CDMA and GSM systems, is configured with independent main antennas for CDMA and GSM, respectively.
  • Both CDMA and GSM have data services and call services.
  • the circuit channels used for data services and call services are one.
  • users use mobile phones to access the Internet for a longer period of time, and instant messaging software or other application software on mobile phones may require the mobile phone to be in a long-term online state, which makes the data service and the call service conflict. That is, when the mobile phone performs data service, the path of the call service is occupied, and the call rate of the call service is reduced.
  • CDMA Code Division Multiple Access
  • the call rate of the call service will decrease.
  • the rate of the data service needs to be reduced, and a certain channel resource is reserved to monitor the call service, but the rate is achieved at the expense of the data service.
  • the multi-mode wireless terminal provided by the embodiment of the present invention may be a wireless terminal device supporting a plurality of wireless communication systems, such as a mobile phone or a tablet computer.
  • the following embodiments of the present invention use only two types of mobile phones as examples to provide the multi-mode provided by the present invention.
  • the wireless terminal will be described, but the multimode wireless terminal provided by the present invention is not limited to the following embodiments.
  • FIG. 1 is a schematic structural diagram of Embodiment 1 of a multi-mode wireless terminal according to an embodiment of the present invention. As shown in FIG. 1 , the multi-mode wireless terminal in this embodiment includes:
  • the first wireless communication system path and the second wireless communication system path are different from the second wireless communication system.
  • the first wireless communication system path includes a first antenna module 101, a first transceiver module 102, and a first baseband module 103.
  • the first antenna module 101 is connected to the first transceiver module 102, and the first transceiver module 102 and the first baseband module 103 are connected.
  • the second wireless communication system path includes a second antenna module 104, a second transceiver module 105, and a second baseband module 106, wherein the second antenna module 104 is connected to the second transceiver module 105, and the second transceiver module 105 and the second baseband Module 106 is connected.
  • the second transceiver module 105 is connected to the first baseband module 103; the second transceiver module 105 includes a control unit 107, and the control unit 107 is configured to control the second antenna module 104 and the second transceiver module 105 in the idle time slot of the second wireless communication system. As a diversity reception path of the first baseband module 103.
  • the multi-mode wireless terminal provided in this embodiment supports two types of wireless communication systems, namely a first wireless communication system and a second wireless communication system, respectively, where the first wireless communication system is different from the second wireless communication system, for example, the first wireless The communication system is CDMA, the second wireless communication system is GSM, or the first wireless communication system is WCDMA, and the second wireless communication system is GSM.
  • the first wireless communication system consists of a first wireless communication system path formed by the first antenna module 101, the first transceiver module 102 and the first baseband module 103, and the multi-mode wireless terminal can use the first wireless communication system path to perform the first Transceiver data in wireless format.
  • the first antenna module 101 is configured to receive a wireless signal of a first wireless communication system
  • the first transceiver module 102 may specifically include a duplexer, a power amplifier, a surface acoustic wave (SAW) filter, and the like.
  • the first transceiver module 102 is configured to implement a transceiver function of the radio frequency signal of the first wireless communication system.
  • the first baseband module 103 is configured to perform baseband signal processing of the first wireless communication system.
  • the second wireless communication system consists of a second wireless communication system path formed by the second antenna module 104, the second transceiver module 105 and the second baseband module 106, and the multi-mode wireless terminal can use the second wireless communication system path for the second Transceiver data in wireless format.
  • the second antenna module 104 is configured to receive the wireless signal of the second wireless communication system
  • the second transceiver module 105 is configured to implement the transceiver function of the second wireless communication standard RF signal.
  • the second baseband module 106 is configured to perform baseband signal processing in the second wireless communication system.
  • the first wireless communication system path and the second wireless system path are generally independent of each other, and each module independently performs data transmission and processing tasks of the respective wireless communication systems.
  • the second wireless communication system path needs to be used as the diversity receiving path of the first wireless communication system. Therefore, the second transceiver module 105 is connected to the first baseband module 103.
  • the connection line between the second transceiver module 105 and the first baseband module 103 may be referred to as a diversity reception circuit 108, and the diversity reception circuit 108 includes a signal line for receiving data and an associated matching network, but the diversity reception circuit 108 does not include any control.
  • the functional device that is to say the diversity receiving circuit 108, is only used to transfer data from the second transceiver module 105 to the first baseband module 103.
  • the second antenna module 104 is configured to receive the wireless signal of the second wireless communication system, but is also capable of receiving the wireless signal of the first wireless communication system, only because the operating frequency band of the second antenna module 104 is located in the second wireless communication system.
  • the frequency band has a lower gain when receiving the wireless signal of the first wireless communication system.
  • the second transceiver module 105 is configured to implement the function of transmitting and receiving the radio frequency signal of the second wireless communication system.
  • the second transceiver module 105 When the second transceiver module 105 receives the wireless signal of the first wireless communication system sent by the second antenna module 104, the second transceiver module is required to be The working frequency band of the 105 is located in the frequency band of the first wireless communication system, and the second transceiver module 105 can also implement the function of transmitting and receiving the radio frequency signal of the first wireless communication system. Therefore, the second transceiver module 105 is connected to the first baseband module 103, and the first baseband module can receive the radio frequency signal of the first wireless communication system from the second transceiver module 105, thereby the second antenna module 104 and the second transceiver module.
  • the first baseband module 103 firstly comprises the first first antenna module 101, the first transceiver module 102 and the first baseband module 103.
  • the combination of the wireless system path and the signals of the above-mentioned new first wireless communication system path improves the receiving capability of the first wireless communication system, which is called diversity reception.
  • the first baseband module 103 can receive signals through the second antenna module 104 and the second transceiver module 105.
  • the second transceiver module 105 is also provided. Data transmission between the second baseband module 106 and the second baseband module 106 is required, so the first baseband module 103 cannot receive the data transmitted by the second transceiver module 105 at any time. Therefore, the second transceiver module 105 further includes a control unit 107 for controlling the second antenna module 104 and the second transceiver module 105 to receive the idle time slot of the second wireless communication system as the diversity of the first baseband module 103. path.
  • the second wireless communication system there are two states of transmitting data and receiving data, wherein when the second wireless communication system transmits data, the data is transmitted from the second baseband module 106 to the second transceiver module 105, and from the second antenna.
  • the module 104 sends out that the time slot of the second wireless communication system is occupied by the transmission data, the second transceiver module 105 cannot transmit data to the first baseband module 103, and when the second wireless communication system receives the data, the data is from the second antenna.
  • the module 104 sends to the second transceiver module 105 and is sent by the second transceiver module 105 to the second baseband module 106, at which time the time slot of the second wireless communication system is occupied by the received data.
  • the second transceiver module 105 can simultaneously receive the data of the first wireless communication system, and The data of the first wireless communication system is transmitted to the first baseband module 103 through the diversity receiving circuit 108.
  • the second wireless communication system generally does not perform data transmission and reception at any time. In the standby state, only a part of the time slots perform signalling monitoring, and other time slots are in a sleep mode (Sleep Mode).
  • the second wireless communication system is in the time slot of the sleep mode, and the data of the first wireless communication system can also be received by the second antenna module 104 and the second transceiver module 105, and sent to the first baseband module 103 through the diversity receiving circuit 108.
  • the control unit 107 in the second transceiver module 105 can receive the data of the first wireless communication standard in the idle time slot of the second wireless communication system by controlling the antenna switch in the second transceiver module 105, and will receive the data.
  • the data of the first wireless communication system is transmitted to the first baseband module 103 through the diversity receiving circuit 108.
  • the first baseband module 103 can receive the data sent by the second transceiver module 105 in time slots other than the time slot in which the second wireless communication system transmits data, so that the second wireless communication system path can be used most of the time.
  • the diversity receiving channel of the first wireless communication system and without affecting the second wireless communication system, the receiving performance of the first wireless communication system is improved.
  • the current wireless communication transceiver module is configured by a programmable chip, so the control unit 107 in the second transceiver module 105 can be implemented in a software manner.
  • the second wireless communication system can be used as the diversity receiving channel of the first wireless communication system most of the time.
  • the first wireless communication system can use all channel resources for data services, thereby improving the reception performance of the multi-mode wireless terminal.
  • the multi-mode wireless terminal provided in this embodiment may further include a central processing unit 109, and the central processing unit 109 connects the first baseband module 103 and the second baseband module 106, and the central processing unit 109 is configured to The data of the first wireless communication system and the second wireless communication system are subjected to application layer processing.
  • the central processing unit 109 generally uses a chip with strong processing capability, it can be shared by the first wireless communication system and the second wireless communication system, but the present embodiment is not limited thereto, and may be the first wireless communication system and The second wireless communication system is provided with separate central processing units.
  • the second antenna module and the second transceiver module in the second wireless communication system path are shown as the diversity receiving path of the first wireless communication system, but those skilled in the art can understand that The first antenna module and the first transceiver module in the first wireless communication system path can also be implemented as a diversity receiving path of the second wireless communication system.
  • the second wireless communication system path and the first wireless system path as the diversity receiving path of another wireless communication system can also be implemented according to the same structure of the embodiment.
  • two or more wireless communication system paths can be used simultaneously as a wireless communication system for diversity reception. path.
  • an antenna module and a transceiver module of a wireless communication system in a multimode wireless terminal are used as another a diversity receiving channel of a wireless communication system, and a control unit is provided in the transceiver module as the diversity receiving, for controlling the antenna module and the transceiver module to serve as a diversity receiving channel of another wireless communication system in an idle time slot, so that the multimode wireless terminal A wireless communication system can receive signals using an idle time slot of another wireless communication system, thereby improving the reception performance of the multimode wireless terminal.
  • the multimode wireless terminal provided in this embodiment only adds the diversity receiving circuit 108 connecting the second transceiver module 105 and the first baseband module 103 to the existing multimode wireless terminal, and the diversity receiving circuit 108 only includes receiving.
  • the signal lines of the data and the associated matching network do not include any devices with control functions, so the volume of the multimode wireless terminal is not substantially increased.
  • FIG. 2 is a schematic structural diagram of Embodiment 2 of a multimode wireless terminal according to an embodiment of the present invention. As shown in FIG. 2, the difference between the multimode wireless terminal in this embodiment and the multimode wireless terminal shown in FIG. 1 is:
  • the second wireless communication system path further includes a second filtering module 201; the passband of the second filtering module 201 is located in a receiving frequency band of the first wireless communication system and a receiving frequency band of the second wireless communication system; the second baseband module 106 and the second transmitting and receiving module
  • the module 105 is connected by the second filtering module 201, and the first baseband module 103 and the second transceiver module 105 are connected to each other through the second filtering module 201.
  • the first wireless communication system is different from the second wireless communication system, and generally, the frequencies of the two different wireless communication systems are different, in the wireless terminal, in order to process the signals of the required wireless communication standard, Filtering the received wireless signal.
  • Each wireless communication system has one or more fixed operating frequency bands. In the wireless communication system path, it is necessary to set a filtering module with the same passband and working frequency band, thereby filtering out wireless signals of other frequencies.
  • the second wireless communication system path is set.
  • the second filtering module 201 is configured to separate signals of the first wireless communication system and the second wireless communication system.
  • the second filtering module 201 may have at least two passbands, one of the passbands is located in the receiving frequency band of the first wireless communication system, and the other passband is located in the receiving frequency band of the second wireless communication system, and the second filtering module 201 passes through the first
  • the passband filtered signal of the receiving band of a wireless communication system is sent to the first baseband module 103, and the second filtering module 201 is sent to the second baseband via the passband filtered signal located in the receiving band of the second wireless communication system.
  • the module 106 is such that both the first baseband module 103 and the second baseband module 106 receive only signals of the respective receive bands, thereby avoiding interference from other frequency signals.
  • FIG. 3 is a schematic structural diagram of Embodiment 3 of a multimode wireless terminal according to an embodiment of the present invention. As shown in FIG. 3, the difference between the multimode wireless terminal of this embodiment and the multimode wireless terminal shown in FIG. 2 is:
  • the second wireless communication system includes a first receiving frequency band and a second receiving frequency band, and the passband of the second filtering module 201 is located at the a receiving band of a wireless communication system and a first receiving band of the second wireless communication system; the second wireless system path further includes a third filtering module 301; the passband of the third filtering module 301 is located in the second receiving of the second wireless communication system The third filtering module 301 is located between the second baseband module 106 and the second transceiver module 105.
  • the control unit 107 is further configured to: when the multi-mode wireless terminal operates in the first frequency band of the second wireless communication system, control the second transceiver module 105 to connect with the second filtering module 201; when the multi-mode wireless terminal operates in the second wireless communication In the second frequency band of the system, the second transceiver module 105 is controlled to be connected to the third filter module 301.
  • a wireless communication system may have two or more frequency bands in different frequency bands, and the antenna module and the transceiver module of the wireless communication system can only work in one frequency band at the same time.
  • the multimode wireless terminal shown in this embodiment is proposed.
  • the second wireless communication system includes a first receiving frequency band and a second receiving frequency band
  • the second wireless standard path has a second filtering module 201 and a third filtering module 301, wherein the second filtering
  • the passband of the module 201 is located in the first receive band of the second wireless communication system and the receive band of the first wireless communication system
  • the passband of the third filter module 301 is located in the second receive band of the second wireless communication system.
  • the first wireless communication system uses a path composed of the second antenna module 104, the second transceiver module 105, and the second filter module 201 as a diversity reception path.
  • the second wireless communication system including the first receiving frequency band and the second receiving frequency band
  • the second wireless communication system further has a first transmitting frequency band and a second transmitting frequency band
  • the second wireless communication system can only Working in a frequency band, combined with the two states of transmitting data and receiving data
  • the working states of the second wireless communication system can be divided into four types, namely, receiving data in the first receiving frequency band and transmitting data in the first transmitting frequency band, Data is received in the second receive band and transmitted in the second transmit band. It can be seen from the embodiment shown in FIG.
  • the second wireless communication system transmits data
  • the time slot of the second wireless communication system is occupied by the transmission data, and at this time, data reception is performed wirelessly in any frequency band, that is, in the above four kinds of work.
  • the first wireless communication system cannot use the second wireless communication system path as the diversity reception path.
  • the second transceiver module 105 needs to strobe the path formed by the second antenna module 104, the second transceiver module 105, the third filtering module 301, and the second baseband module 106.
  • the baseband module 103 still cannot receive the data transmitted from the second transceiver module 105, that is, in this operating state, the first wireless communication system still cannot use the second wireless communication system path as the diversity reception path. Therefore, in a state where only the first receiving band receives data, the first wireless communication system can be received by the diversity receiving path formed by the second antenna module 104, the second transceiver module 105, the second filtering module 201, and the diversity receiving circuit 107.
  • the above-mentioned different receiving modes for controlling the time slot gating can be performed by the control unit 107.
  • control unit 107 is further configured to: when the multimode wireless terminal operates in the second receiving frequency of the second wireless communication system When the time is up, the second transceiver module 105 and the second filtering module 201 are controlled to be connected in the first receiving frequency band of the second wireless communication system and the idle time slot of the second receiving frequency band. Since the second wireless communication system generally does not perform data transmission and reception at any time, in the standby state, only a part of the time slots perform signalling monitoring, while other time slots are in the sleep mode, and the second wireless communication system is in the second wireless communication system.
  • the second antenna module 104 and the second transceiver module 105 can also be used to receive the number of the first wireless communication system, and sent to the first baseband module 103 through the second filtering module 201 and the diversity receiving circuit 108. .
  • FIG. 4 is a schematic structural diagram of Embodiment 4 of a multimode wireless terminal according to an embodiment of the present invention. As shown in FIG. 4, the difference between the multimode wireless terminal of this embodiment and the multimode wireless terminal shown in FIG. 3 is:
  • the first transceiver module 102 and the second baseband module 106 are connected by the second diversity receiving circuit 401; the first transceiver module 102 includes a second control unit 402, and the second control unit 402 is configured to control the first antenna module 101 and the first transceiver module 102 is in the idle time slot of the first wireless communication system as the diversity receive path of the second baseband module 106.
  • the present embodiment shows a case where the first wireless communication system path is simultaneously used as the diversity reception path of the second wireless communication system, and the second wireless communication system path is used as the diversity reception path of the first wireless communication system.
  • the specific implementation method of using the first wireless communication system path as the diversity receiving path of the second wireless communication system is as described in the foregoing embodiment.
  • FIG. 5 is a schematic structural diagram of Embodiment 5 of a multimode wireless terminal according to an embodiment of the present invention. As shown in FIG. 5, the difference between the multimode wireless terminal in this embodiment and the multimode wireless terminal shown in FIG. 4 is:
  • the first wireless communication system path further includes a first filtering module 501; the passband of the first filtering module 501 is located in a receiving frequency band of the second wireless communication system and a receiving frequency band of the first wireless communication system; the first baseband module 103 and the first transceiver The module 102 is connected by the first filtering module 501, and the second baseband module 106 is connected to the first transceiver module 102 by the first filtering module 501.
  • the first filtering module 501 is configured to separate signals of the first wireless communication system and the second wireless communication system.
  • the first filtering module 501 can have at least two passbands, one of which is located in a receive band of the first wireless communication system and the other passband is located in a receive band of the second wireless communication system. It should be noted that, since the second wireless communication system has two receiving frequency bands in this embodiment, the pass band of the first filtering module 501 needs to be set according to the frequency band of the diversity receiving path that needs to be used according to the second wireless communication system.
  • the filtered signal is sent to the first baseband module 103, so that the first Both the baseband module 103 and the second baseband module 106 receive only signals of the respective receive bands, thereby avoiding interference from other frequency signals.
  • the multi-mode wireless terminal provided by the embodiments of the present invention further includes The transmission path further includes a module or device for realizing functions such as amplification and filtering, and the multi-mode wireless terminal further includes various matching circuits and devices for implementing other functions. And the receiving path and the transmitting path can use a single-ended signal or a differential signal.
  • FIG. 6 is a schematic structural diagram of Embodiment 6 of a multimode wireless terminal according to an embodiment of the present invention.
  • the embodiment provides a schematic diagram of a CDMA and GSM dual card dual standby dual-pass mobile phone, where GSM has 900 MHz and In the 1800/1900MHz two bands, CDMA800MHz uses the GSM900MHz band as the receive diversity channel.
  • the CDMA antenna 601, the duplexer 602, the CDMA baseband module 603, and the central processing unit 604 form a CDMA receiving path, wherein the CDMA baseband module 603 employs the WTR1605 chip, the central processing unit 604 employs the MSM8930 chip, and the CDMA baseband module 603 employs differential signal reception.
  • the central processing unit 604, the CDMA baseband module 603, the 850 MHz SAW filter 605, the power amplifier (PA) 606, the duplexer 602, and the CDMA antenna 601 form a CDMA transmission path.
  • the duplexer 602, the 850 MHz SAW filter 605, and the power amplifier 606 may be collectively referred to as a CDMA transceiver module.
  • the GSM antenna 607, the GSM transceiver module 608, the 850/900 MHz SAW filter 609, the GSM baseband module 610 and the central processing unit 604 form a GSM 900 MHz receiving path, a GSM antenna 607, a GSM transceiver module 608, an 1800/1900 MHz SAW filter 611, and a GSM baseband.
  • Module 610 and central processing unit 604 form a GSM 1800/1900 MHz receive path
  • central processing unit 604 GSM baseband module 610, GSM transceiver module 608, and GSM antenna 607 form a GSM transmit path.
  • the GSM transceiver module 608 uses the TQM6M4068 chip, and the GSM baseband module 610 uses the MTK6252D chip.
  • the 850/900 MHz SAW filter 609 is connected to the CDMA baseband module 603 via a diversity receiving circuit 612.
  • the GSM baseband module 610 employs differential signal reception.
  • the GSM transceiver module 608 has a total of five working states, namely GSM900MHz transmission, GSM1800/1900MHz transmission, GSM900MHz reception, GSM1800/1900MHz reception and sleep mode. Where three control levels are set in the GSM transceiver module 608, the five operating states can be controlled to select the GSM antenna 607 to be connected to the corresponding filter or baseband module. For example, three control levels of TXEN, VBS1, and VBS2 are set in the GSM transceiver module 608, and five types of operating states can be controlled as shown in Table 1.
  • the GSM transceiver module 608 When the working state of the GSM transceiver module 608 is in the GSM 900 MHz receiving and sleeping mode, the GSM transceiver module 608 is connected to the CDMA baseband module 603 through the diversity receiving circuit 612, thereby implementing CDMA diversity reception.
  • GSM Time Division Duplexing
  • GSM transmission occupies only one of eight time slots in each frame, and is also used when GSM uses 1800/1900 MHz reception. Only one time slot is occupied, and in the other six sleep mode time slots and the GSM uses 900 MHz reception time slots, CDMA can achieve diversity reception, thereby greatly improving the reception performance of the CDMA channel.
  • TDD Time Division Duplexing
  • the multimode wireless terminal provided by the present invention is not limited thereto, as long as it is a multimode wireless terminal capable of supporting at least two wireless communication systems. All of them are within the protection scope of the present invention, such as Long Term Evolution (LTE) and Simultaneous Voice and LTE (SVLTE), Simultaneous GSM and LTE (SGLTE), and the like.
  • LTE Long Term Evolution
  • SVLTE Simultaneous Voice and LTE
  • SGLTE Simultaneous GSM and LTE
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

本发明实施例提供一种多模无线终端，包括：第一无线通信制式通路和第二无线通信制式通路，第一无线通信制式与第二无线通信制式不同；第一无线通信制式通路包括第一天线模块、第一收发模块和第一基带模块，其中第一天线模块与第一收发模块连接，第一收发模块与第一基带模块连接；第二无线通信制式通路包括第二天线模块、第二收发模块和第二基带模块，其中第二天线模块与第二收发模块连接，第二收发模块与第二基带模块连接；第二收发模块与第一基带模块连接；第二收发模块包括控制单元，控制单元用于控制第二天线模块和第二收发模块在第二无线通信制式的空闲时隙作为第一基带模块的分集接收通路。

Description

多模无线终端 技术领域
本发明实施例涉及无线通信技术领域，尤其涉及一种多模无线终端。
背景技术
随着无线通信技术的发展，手机等无线终端大多支持多种无线通信制式，例如全球移动通信系统(Global System for Mobile Communications，GSM)、码分多址(Code Division Multiple Access，CDMA)、无线保真度(Wireless Fidelity，WiFi)等。特别是一些双卡双待的手机，一般同时支持GSM和CDMA或GSM和宽带码分多址(Wideband Code Division Multiple Access，WCDMA)两种制式，受到很多消费者的欢迎。
对于同时支持多种制式的无线终端而言，每种制式都使用独立的天线收发数据，但由于一个无线通信制式可能同时存在数据业务和通话业务，并且数据业务和通话业务占用相同的通道资源，为了保证无线终端通话业务的呼通率，需要为通话业务预留通道资源来监听通话业务，但这样会牺牲数据业务的速率。
发明内容
本发明实施例提供一种多模无线终端，用于提高多模无线终端的接收性能。
第一方面提供一种多模无线终端，包括：第一无线通信制式通路和第二无线通信制式通路，第一无线通信制式与第二无线通信制式不同；
所述第一无线通信制式通路包括第一天线模块、第一收发模块和第一基带模块，其中所述第一天线模块与所述第一收发模块连接，所述第一收发模块与所述第一基带模块连接；
所述第二无线通信制式通路包括第二天线模块、第二收发模块和第二基带模块，其中所述第二天线模块与所述第二收发模块连接，所述第二收发模块与所述第二基带模块连接；
所述第二收发模块与所述第一基带模块连接；
所述第二收发模块包括控制单元，所述控制单元用于控制所述第二天线模块和所述第二收发模块在所述第二无线通信制式的空闲时隙作为所述第一基带模块的分集接收通路。
在第一方面第一种可能的实现方式中，所述第二无线通信制式通路还包括第二滤波模块；
所述第二滤波模块的通带位于所述第一无线通信制式的接收频带以及所述第二无线通信制式的接收频带；
所述第二基带模块与所述第二收发模块通过所述第二滤波模块连接，所述第一基带模块与所述第二收发模块通过所述第二滤波模块连接。
结合第一方面第一种可能的实现方式，在第二种可能的实现方式中，所述第二无线通信制式包括第一接收频带和第二接收频带，所述第二滤波模块的通带位于所述第一无线通信制式的接收频带以及所述第二无线通信制式的第一接收频带；
所述第二无线制式通路还包括第三滤波模块；
所述第三滤波模块的通带位于所述第二无线通信制式的第二接收频带，所述第三滤波模块位于所述第二基带模块与所述第二收发模块之间。
所述控制单元还用于，当所述多模无线终端工作在所述第二无线通信制式的第一频带时，控制所述第二收发模块与所述第二滤波模块连接；当所述多模无线终端工作在所述第二无线通信制式的第二频带时，控制所述第二收发模块与所述第三滤波模块连接。
结合第一方面第二种可能的实现方式，在第三种可能的实现方式中，所述控制单元还用于当所述多模无线终端工作在所述第二无线通信制式的第二接收频带时，控制所述第二收发模块与所述第二滤波模块在所述第二无线通信制式的第一接收频带和第二接收频带的空闲时隙连接。
结合第一方面至第一方面第三种可能的实现方式中任一种可能的实现方式，在第四种可能的实现方式中，所述第一收发模块与所述第二基带模块连接；
所述第一收发模块包括第二控制单元，所述第二控制单元用于控制所述第一天线模块和所述第一收发模块在所述第一无线通信制式的空闲时隙作为所述第二基带模块的分集接收通路。
结合第一方面第四种可能的实现方式，在第五种可能的实现方式中，所述第一无线通信制式通路还包括第一滤波模块；
所述第一滤波模块的通带位于所述第二无线通信制式的接收频带以及所述第一无线通信制式的接收频带；
所述第一基带模块与所述第一收发模块通过所述第一滤波模块连接，所述第二基带模块与所述第一收发模块通过所述第一滤波模块连接。
结合第一方面至第一方面第五种可能的实现方式中任一种可能的实现方式，在第六种可能的实现方式中，所述第一无线通信制式为码分多址CDMA，所述第二无线通信制式为全球移动通信系统GSM。
本发明实施例提供的多模无线终端，通过将多模无线终端中的一种无线通信制式的天线模块和收发模块作为另一无线通信制式的分集接收通路，并且在作为分集接收的收发模块中设置控制单元，用于控制天线模块和收发模块在空闲时隙作为另一无线通信制式的分集接收通路，使多模无线终端的一种无线通信制式可以使用另一种无线通信制式的空闲时隙接收信号，从而提高了多模无线终端的接收性能。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例提供的多模无线终端实施例一的结构示意图；
图2为本发明实施例提供的多模无线终端实施例二的结构示意图；
图3为本发明实施例提供的多模无线终端实施例三的结构示意图；
图4为本发明实施例提供的多模无线终端实施例四的结构示意图；
图5为本发明实施例提供的多模无线终端实施例五的结构示意图；
图6为本发明实施例提供的多模无线终端实施例六的结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
现有技术的多模无线终端，例如支持CDMA和GSM两种制式的双卡双待手机，分别为CDMA和GSM配置了独立的主天线。CDMA和GSM均存在数据业务和通话业务，通常数据业务和通话业务所使用的电路通道是一个。随着网络技术的发展，用户使用手机上网的时间越来越长，并且手机上的即时通信软件或其他应用软件也可能要求手机处于长期的网络在线状态，这样就使数据业务和通话业务存在矛盾，即手机在进行数据业务时，通话业务的通路被占用，导致通话业务的呼通率降低。例如用户使用CDMA网络浏览网页时，CDMA 通话业务的呼通率就会降低。为了提高通话业务的呼通率，则需要降低数据业务的速率，预留一定的通道资源监听通话业务，但这样是以牺牲数据业务的速率实现的。
本发明实施例提供的多模无线终端可以是手机、平板电脑等支持多种无线通信制式的无线终端设备，本发明下述各实施例仅以两种制式的手机为例对本发明提供的多模无线终端进行说明，但本发明提供的多模无线终端不以下述各实施例为限。
图1为本发明实施例提供的多模无线终端实施例一的结构示意图，如图1所示，本实施例的多模无线终端包括：
第一无线通信制式通路和第二无线通信制式通路，第一无线通信制式与第二无线通信制式不同。第一无线通信制式通路包括第一天线模块101、第一收发模块102和第一基带模块103，其中第一天线模块101与第一收发模块102连接，第一收发模块102与第一基带模块103连接；第二无线通信制式通路包括第二天线模块104、第二收发模块105和第二基带模块106，其中第二天线模块104与第二收发模块105连接，第二收发模块105与第二基带模块106连接。第二收发模块105与第一基带模块103连接；第二收发模块105包括控制单元107，控制单元107用于控制第二天线模块104和第二收发模块105在第二无线通信制式的空闲时隙作为第一基带模块103的分集接收通路。
具体地，本实施例提供的多模无线终端支持两种无线通信制式，分别为第一无线通信制式和第二无线通信制式，第一无线通信制式与第二无线通信制式不同，例如第一无线通信制式为CDMA、第二无线通信制式为GSM，或者第一无线通信制式为WCDMA、第二无线通信制式为GSM等。
第一无线通信制式由第一天线模块101、第一收发模块102和第一基带模块103构成的链路组成第一无线通信制式通路，多模无线终端可以使用第一无线通信制式通路进行第一无线制式数据的收发。其中第一天线模块101用于接收第一无线通信制式的无线信号，第一收发模块102中具体可以包括双工器、功率放大器、声表面波(Surface Acoustic Wave，SAW)滤波器等器件，总之，第一收发模块102用于实现第一无线通信制式射频信号的收发功能。第一基带模块103用于进行第一无线通信制式基带信号处理。第二无线通信制式由第二天线模块104、第二收发模块105和第二基带模块106构成的链路组成第二无线通信制式通路，多模无线终端可以使用第二无线通信制式通路进行第二无线制式数据的收发。其中第二天线模块104用于接收第二无线通信制式的无线信号，第二收发模块105用于实现第二无线通信制式射频信号的收发功能。第二基带模块106用于进行第二无线通信制式基带信号处理。第一无线通信制式通路与第二无线制式通路一般来说是相互独立的，每一模块独立完成各自无线通信制式的数据传输和处理任务。
本实施例中，需要将第二无线通信制式通路作为第一无线通信制式的分集接收通路，因此，将第二收发模块105与第一基带模块103连接。第二收发模块105与第一基带模块103之间的连接线路可以称为分集接收电路108，分集接收电路108包括接收数据的信号线及相关的匹配网络，但是分集接收电路108不包括任何具有控制功能的器件，也就是说分集接收电路108仅用于将数据从第二收发模块105传输至第一基带模块103。
第二天线模块104虽然用于接收第二无线通信制式的无线信号，但其同时也能够接收到第一无线通信制式的无线信号，只是由于第二天线模块104的工作频段位于第二无线通信制式的频段，当接收第一无线通信制式的无线信号时，增益较低。第二收发模块105用于实现第二无线通信制式射频信号的收发功能，当第二收发模块105接收到第二天线模块104发送的第一无线通信制式的无线信号时，只要使第二收发模块105的工作频段位于第一无线通信制式的频段，则第二收发模块105也可以实现第一无线通信制式射频信号的收发功能。因此将第二收发模块105与第一基带模块103连接，则第一基带模块可以从第二收发模块105接收到第一无线通信制式的射频信号，从而由第二天线模块104、第二收发模块105和第一基带模块103组成一条新的第一无线通信制式的通路，第一基带模块103将原有的由第一天线模块101、第一收发模块102和第一基带模块103组成的第一无线制式通路和上述新的第一无线通信制式的通路的信号进行合并，则提高了第一无线通信制式的接收能力，这就称之为分集接收。
在第二收发模块105与第一基带模块103之间设置了分集接收电路108后，第一基带模块103就可以通过第二天线模块104和第二收发模块105接收信号。对于本实施例的多模无线终端而言，同时支持两种无线通信制式，虽然在第二收发模块105与第一基带模块103之间设置了分集接收电路108，但由于第二收发模块105还需要与第二基带模块106之间进行数据传输，因此第一基带模块103不能随时接收第二收发模块105传输的数据。所以在第二收发模块105中还包括控制单元107，控制单元107用于控制第二天线模块104和第二收发模块105在第二无线通信制式的空闲时隙作为第一基带模块103的分集接收通路。
对于第二无线通信制式而言，具有发送数据和接收数据两种状态，其中当第二无线通信制式发送数据时，数据从第二基带模块106发送至第二收发模块105，并从第二天线模块104发出，此时第二无线通信制式的时隙被发送数据占用，第二收发模块105无法向第一基带模块103传输数据；而当第二无线通信制式接收数据时，数据从第二天线模块104发送至第二收发模块105，并由第二收发模块105发送至第二基带模块106，此时第二无线通信制式的时隙被接收数据占用。但由于第一无线通信制式与第二无线通信制式不同，其所在频率、调制方式等参数也不同，因此第二收发模块105可以同时接收第一无线通信制式的数据，并 将第一无线通信制式的数据通过分集接收电路108发送至第一基带模块103。另外，第二无线通信制式一般并不是随时都在进行数据发送和接收，在待机状态下，仅有一部分时隙进行信令的监听，而其他的时隙处于睡眠模式(Sleep Mode)下，在第二无线通信制式处于睡眠模式的时隙中，同样可以使用第二天线模块104和第二收发模块105接收第一无线通信制式的数据，通过分集接收电路108发送至第一基带模块103。
因此，第二收发模块105中的控制单元107可以通过对第二收发模块105中天线开关的控制，在第二无线通信制式的空闲时隙，接收第一无线通信制式的数据，并将接收到的第一无线通信制式的数据通过分集接收电路108发送至第一基带模块103。这样，第一基带模块103可以在第二无线通信制式发送数据的时隙以外的时隙中都接收到第二收发模块105发送的数据，从而使第二无线通信制式通路在大部分时间都可以作为第一无线通信制式的分集接收通路，并且不会对第二无线通信制式造成影响，提高了第一无线通信制式的接收性能。一般来说，目前的无线通信收发模块都是采用可编程的芯片构成，因此第二收发模块105中的控制单元107可以采用软件的方式进行实现。这样，假设用户使用本实施例提供的多模无线终端的第一无线通信制式进行数据业务，则由于第二无线通信制式在大多数时间都可以作为第一无线通信制式的分集接收通路，因此可以由第二无线通信制式监听第一无线通信制式的通话业务，则第一无线通信制式可以使用全部的通道资源进行数据业务，从而提高了多模无线终端的接收性能。
另外，可选地，在本实施例提供的多模无线终端中，还可以包括中央处理单元109，中央处理单元109连接第一基带模块103和第二基带模块106，中央处理单元109用于对第一无线通信制式和第二无线通信制式的数据进行应用层处理。由于中央处理单元109一般采用处理能力较强的芯片，因此可以为第一无线通信制式和第二无线通信制式所共用，但本实施例不一此为限，还可以为第一无线通信制式和第二无线通信制式分别设置独立的中央处理单元。
需要说明的是，本实施例中仅示出第二无线通信制式通路中的第二天线模块和第二收发模块作为第一无线通信制式的分集接收通路，但本领域技术人员可以理解的是，将第一无线通信制式通路中的第一天线模块和第一收发模块作为第二无线通信制式的分集接收通路同样可以实现。或者同时将第二无线通信制式通路和第一无线制式通路作为另一无线通信制式的分集接收通路同样可以根据本实施例相同的结构实现。另外，当多模无线终端同时支持三种或以上的无线通信制式，具有三种或以上的无线通信制式通路时，可以使用两个或以上的无线通信制式通路同时作为一个无线通信制式的分集接收通路。
本实施例，通过将多模无线终端中的一种无线通信制式的天线模块和收发模块作为另 一无线通信制式的分集接收通路，并且在作为分集接收的收发模块中设置控制单元，用于控制天线模块和收发模块在空闲时隙作为另一无线通信制式的分集接收通路，使多模无线终端的一种无线通信制式可以使用另一种无线通信制式的空闲时隙接收信号，从而提高了多模无线终端的接收性能。
另外，本实施例提供的多模无线终端，仅在现有的多模无线终端中增加了连接第二收发模块105与第一基带模块103的分集接收电路108，而分集接收电路108仅包括接收数据的信号线及相关的匹配网络，并不包括任何具有控制功能的器件，因此基本不会增大多模无线终端的体积。
图2本发明实施例提供的多模无线终端实施例二的结构示意图，如图2示，本实施例的多模无线终端与图1所示的多模无线终端的区别在于：
第二无线通信制式通路还包括第二滤波模块201；第二滤波模块201的通带位于第一无线通信制式的接收频带以及第二无线通信制式的接收频带；第二基带模块106与第二收发模块105通过第二滤波模块201连接，第一基带模块103与第二收发模块105通过第二滤波模块连接201。
具体地，由于第一无线通信制式与第二无线通信制式不同，而一般地，两种不同无线通信制式的频率不同，在无线终端中，为了对所需要的无线通信制式的信号进行处理，需要对接收到的无线信号进行滤波处理。每种无线通信制式都具有一个或多个固定的工作频带，在无线通信制式通路中，需要设置通带与工作频段相同的滤波模块，从而滤除掉其他频率的无线信号。
在本实施例中，由于第二天线模块104和第二收发模块105同时接收第一无线通信制式的无线信号和第二无线通信制式的无线信号，因此，在第二无线通信制式通路中设置第二滤波模块201，第二滤波模块201用于分离第一无线通信制式和第二无线通信制式的信号。第二滤波模块201可以具有至少两个通带，其中一个通带位于第一无线通信制式的接收频带，另一个通带位于第二无线通信制式的接收频带，将第二滤波模块201经过位于第一无线通信制式的接收频带的通带滤波后的信号发送至第一基带模块103，将第二滤波模块201经过位于第二无线通信制式的接收频带的通带滤波后的信号发送至第二基带模块106，这样可以使第一基带模块103和第二基带模块106都仅接收到各自接收频带的信号，从而避免受到其他频率信号的干扰。
图3本发明实施例提供的多模无线终端实施例三的结构示意图，如图3示，本实施例的多模无线终端与图2所示的多模无线终端的区别在于：
第二无线通信制式包括第一接收频带和第二接收频带，第二滤波模块201的通带位于第 一无线通信制式的接收频带以及第二无线通信制式的第一接收频带；第二无线制式通路还包括第三滤波模块301；第三滤波模块301的通带位于第二无线通信制式的第二接收频带，第三滤波模块301位于第二基带模块106与第二收发模块105之间。控制单元107还用于，当多模无线终端工作在第二无线通信制式的第一频带时，控制第二收发模块105与第二滤波模块201连接；当多模无线终端工作在第二无线通信制式的第二频带时，控制第二收发模块105与第三滤波模块301连接。
具体地，现有的无线通信技术中，由于频带资源有限，一种无线通信制式可能具有两种以上不同频段的频带，而该无线通信制式的天线模块和收发模块只能同时工作在一个频段中。对于本发明提供的多模无线终端而言，为了使一个无线通信制式可以利用具有两个以上频段的无线通信制式通路作为分集接收通路，提出本实施例所示的多模无线终端。
如图3所示，本实施例中，第二无线通信制式包括第一接收频带和第二接收频带，第二无线制式通路同时具有第二滤波模块201和第三滤波模块301，其中第二滤波模块201的通带位于第二无线通信制式的第一接收频带和第一无线通信制式的接收频带，第三滤波模块301的通带位于第二无线通信制式的第二接收频带。第一无线通信制式使用第二天线模块104、第二收发模块105和第二滤波模块201组成的通路作为分集接收通路。
对于第二无线通信制式而言，包括第一接收频带和第二接收频带，相应地第二无线通信制式还具有第一发送频带和第二发送频带，并且第二无线通信制式在同一时间只能工作在一个频带内，再结合发送数据和接收数据两种状态，可以将第二无线通信制式的工作状态分为四种，分别为在第一接收频带接收数据、在第一发送频带发送数据、在第二接收频带接收数据以及在第二发送频带发送数据。从图1所示实施例中可知，当第二无线通信制式发送数据时，第二无线通信制式的时隙被发送数据占用，此时在任一频带都无线进行数据接收，即在上述四种工作状态中，在第一发送频带发送数据和在第二发送频带发送数据时，第一无线通信制式都无法将第二无线通信制式通路作为分集接收通路。而在第二接收频带接收数据时，第二收发模块105需要选通第二天线模块104、第二收发模块105、第三滤波模块301、第二基带模块106组成的通路，因此此时第一基带模块103仍然无法接收到从第二收发模块105发送的数据，即在这种工作状态下，第一无线通信制式仍无法将第二无线通信制式通路作为分集接收通路。因此，仅有第一接收频带接收数据这种状态下，第一无线通信制式可以通过第二天线模块104、第二收发模块105、第二滤波模块201和分集接收电路107组成的分集接收通路接收第一无线通信制式的数据。上述控制各时隙选通不同的接收方式可以通过控制单元107进行。
进一步地，控制单元107还用于当多模无线终端工作在第二无线通信制式的第二接收频 带时，控制第二收发模块105与第二滤波模块201在第二无线通信制式的第一接收频带和第二接收频带的空闲时隙连接。由于第二无线通信制式一般并不是随时都在进行数据发送和接收，在待机状态下，仅有一部分时隙进行信令的监听，而其他的时隙处于睡眠模式下，在第二无线通信制式处于睡眠模式的时隙中，同样可以使用第二天线模块104和第二收发模块105接收第一无线通信制式的数，并通过第二滤波模块201和分集接收电路108发送至第一基带模块103。这就需要控制单元107在第二无线通信制式的第一接收频带和第二接收频带的空闲时隙将第二收发模块105与第二滤波模块201连接。
图4本发明实施例提供的多模无线终端实施例四的结构示意图，如图4示，本实施例的多模无线终端与图3所示的多模无线终端的区别在于：
第一收发模块102与第二基带模块106通过第二分集接收电路401连接；第一收发模块102包括第二控制单元402，第二控制单元402用于控制第一天线模块101和第一收发模块102在第一无线通信制式的空闲时隙作为第二基带模块106的分集接收通路。
具体地，本实施例示出了同时将第一无线通信制式通路作为第二无线通信制式的分集接收通路，和将第二无线通信制式通路作为第一无线通信制式的分集接收通路的情况。将第一无线通信制式通路作为第二无线通信制式的分集接收通路的具体实现方法如前述实施例所述。
图5本发明实施例提供的多模无线终端实施例五的结构示意图，如图5示，本实施例的多模无线终端与图4所示的多模无线终端的区别在于：
第一无线通信制式通路还包括第一滤波模块501；第一滤波模块501的通带位于第二无线通信制式的接收频带以及第一无线通信制式的接收频带；第一基带模块103与第一收发模块102通过第一滤波模块501连接，第二基带模块106与第一收发模块102通过第一滤波模块501连接。
具体地，与图2所示实施例类似，由于第一无线通信制式与第二无线通信制式不同，而一般地，两种不同无线通信制式的频率不同，因此，在第一无线通信制式通路中设置第一滤波模块501，第一滤波模块501用于分离第一无线通信制式和第二无线通信制式的信号。第一滤波模块501可以具有至少两个通带，其中一个通带位于第一无线通信制式的接收频带，另一个通带位于第二无线通信制式的接收频带。这里需要说明的是，由于本实施例中第二无线通信制式具有两个接收频带，因此第一滤波模块501的通带需要根据第二无线通信制式需要使用分集接收通路的频带进行设置。将第一滤波模块501经过位于第二无线通信制式的接收频带的通带滤波后的信号发送至第二基带模块106，将第一滤波模块501经过位于第一无线通信制式的接收频带的通带滤波后的信号发送至第一基带模块103，这样可以使第 一基带模块103和第二基带模块106都仅接收到各自接收频带的信号，从而避免受到其他频率信号的干扰。
需要说明的是，上述各实施例中，仅考虑了多模无线终端的接收通路中的部分模块，但本领域技术人员可以理解的是，本发明各实施例提供的多模无线终端中还包括发送通路，另外接收通路中还包括实现放大、滤波等功能的模块或器件，另外多模无线终端中还包括各种匹配电路和实现其他功能的器件。并且接收通路和发送通路可以使用单端信号或者差分信号。
下面以一具体实施例对本发明实施例提供的多模无线终端进行说明。图6本发明实施例提供的多模无线终端实施例六的结构示意图，如图6所示，本实施例提供一种CDMA和GSM双卡双待双通手机的结构示意图，其中GSM具有900MHz和1800/1900MHz两个频段，CDMA800MHz使用GSM900MHz频段作为接收分集通路。
CDMA天线601、双工器602、CDMA基带模块603和中央处理单元604组成CDMA接收通路，其中CDMA基带模块603采用WTR1605芯片，中央处理单元604采用MSM8930芯片，CDMA基带模块603采用差分信号接收。中央处理单元604、CDMA基带模块603、850MHz SAW滤波器605、功率放大器(Power Amplifier，PA)606、双工器602和CDMA天线601组成CDMA发送通路。其中双工器602、850MHz SAW滤波器605、功率放大器606可以共同称之为CDMA收发模块。GSM天线607、GSM收发模块608、850/900MHz SAW滤波器609、GSM基带模块610和中央处理单元604组成GSM900MHz接收通路，GSM天线607、GSM收发模块608、1800/1900MHz SAW滤波器611、GSM基带模块610和中央处理单元604组成GSM1800/1900MHz接收通路，央处理单元604、GSM基带模块610、GSM收发模块608和GSM天线607组成GSM发送通路。其中GSM收发模块608采用TQM6M4068芯片，GSM基带模块610采用MTK6252D芯片。850/900MHz SAW滤波器609与CDMA基带模块603通过分集接收电路612连接。GSM基带模块610采用差分信号接收。GSM收发模块608共有5中工作状态，分别为GSM900MHz发送、GSM1800/1900MHz发送、GSM900MHz接收、GSM1800/1900MHz接收和睡眠模式。其中在GSM收发模块608中设置三个控制电平，则可以对5种工作状态进行控制，从而选择GSM天线607与相应的滤波器或者基带模块连接。例如，在GSM收发模块608中设置TXEN、VBS1、VBS2三个控制电平，可以如表1所示对5种工作状态进行控制。
表1开关逻辑真值表
工作状态 TXEN VBS1 VBS2
GSM900MHz发送 1 0 0
GSM1800/1900MHz发送 1 1 0
GSM900MHz接收 0 0 1
GSM1800/1900MHz接收 0 1 1
睡眠模式 0 0 0
当GSM收发模块608的工作状态处于GSM900MHz接收和睡眠模式时，GSM收发模块608通过分集接收电路612与CDMA基带模块603连接，从而实现CDMA分集接收。在GSM通话状态下，由于GSM为时分双工(Time Division Duplexing，TDD)制式，在每个帧中GSM发射仅占用8个时隙中的1个时隙，在GSM使用1800/1900MHz接收时也仅占用1个时隙，而在其他6个睡眠模式的时隙和GSM使用900MHz接收的时隙，CDMA都能够实现分集接收，从而使CDMA通路的接收性能大幅提升。
本发明上述实施例仅以GSM和CDMA两种无线通信制式为例进行说明，但本发明提供的多模无线终端不以此为限，只要是能够支持至少两种无线通信制式的多模无线终端都在本发明的保护范围内，例如长期演进(Long Term Evolution，LTE)与语音网同步支持(Simultaneous Voice and LTE，SVLTE)，GSM与LTE同步支持(Simultaneous GSM and LTE，SGLTE)等。
本领域普通技术人员可以理解：实现上述各方法实施例的全部或部分步骤可以通过程序指令相关的硬件来完成。前述的程序可以存储于一计算机可读取存储介质中。该程序在执行时，执行包括上述各方法实施例的步骤；而前述的存储介质包括：ROM、RAM、磁碟或者光盘等各种可以存储程序代码的介质。
最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。

Claims (7)

  1. 一种多模无线终端，其特征在于，包括：第一无线通信制式通路和第二无线通信制式通路，第一无线通信制式与第二无线通信制式不同；
    所述第一无线通信制式通路包括第一天线模块、第一收发模块和第一基带模块，其中所述第一天线模块与所述第一收发模块连接，所述第一收发模块与所述第一基带模块连接；
    所述第二无线通信制式通路包括第二天线模块、第二收发模块和第二基带模块，其中所述第二天线模块与所述第二收发模块连接，所述第二收发模块与所述第二基带模块连接；
    所述第二收发模块与所述第一基带模块连接；
    所述第二收发模块包括控制单元，所述控制单元用于控制所述第二天线模块和所述第二收发模块在所述第二无线通信制式的空闲时隙作为所述第一基带模块的分集接收通路。
  2. 根据权利要求1所述的多模无线终端，其特征在于，所述第二无线通信制式通路还包括第二滤波模块；
    所述第二滤波模块的通带位于所述第一无线通信制式的接收频带以及所述第二无线通信制式的接收频带；
    所述第二基带模块与所述第二收发模块通过所述第二滤波模块连接，所述第一基带模块与所述第二收发模块通过所述第二滤波模块连接。
  3. 根据权利要求2所述的多模无线终端，其特征在于，所述第二无线通信制式包括第一接收频带和第二接收频带，所述第二滤波模块的通带位于所述第一无线通信制式的接收频带以及所述第二无线通信制式的第一接收频带；
    所述第二无线制式通路还包括第三滤波模块；
    所述第三滤波模块的通带位于所述第二无线通信制式的第二接收频带，所述第三滤波模块位于所述第二基带模块与所述第二收发模块之间。
    所述控制单元还用于，当所述多模无线终端工作在所述第二无线通信制式的第一频带时，控制所述第二收发模块与所述第二滤波模块连接；当所述多模无线终端工作在所述第二无线通信制式的第二频带时，控制所述第二收发模块与所述第三滤波模块连接。
  4. 根据权利要求3所述的多模无线终端，其特征在于，所述控制单元还用于当所述多模无线终端工作在所述第二无线通信制式的第二接收频带时，控制所述第二收发模块与所述第二滤波模块在所述第二无线通信制式的第一接收频带和第二接收频带的空闲时隙连接。
  5. 根据权利要求1～4任一项所述的多模无线终端，其特征在于，所述第一收发模块与 所述第二基带模块连接；
    所述第一收发模块包括第二控制单元，所述第二控制单元用于控制所述第一天线模块和所述第一收发模块在所述第一无线通信制式的空闲时隙作为所述第二基带模块的分集接收通路。
  6. 根据权利要求5所述的多模无线终端，其特征在于，所述第一无线通信制式通路还包括第一滤波模块；
    所述第一滤波模块的通带位于所述第二无线通信制式的接收频带以及所述第一无线通信制式的接收频带；
    所述第一基带模块与所述第一收发模块通过所述第一滤波模块连接，所述第二基带模块与所述第一收发模块通过所述第一滤波模块连接。
  7. 根据权利要求1～6任一项所述的多模无线终端，其特征在于，所述第一无线通信制式为码分多址CDMA，所述第二无线通信制式为全球移动通信系统GSM。
PCT/CN2015/072591 2014-02-26 2015-02-09 多模无线终端 WO2015127854A1 (zh)

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