WO2015127854A1 - 多模无线终端 - Google Patents
多模无线终端 Download PDFInfo
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- 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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- communication system
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- baseband
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- 238000004891 communication Methods 0.000 claims abstract description 233
- 238000001914 filtration Methods 0.000 claims description 64
- 238000010295 mobile communication Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 13
- 238000010897 surface acoustic wave method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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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- Telephone Function (AREA)
Abstract
Description
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 |
Claims (7)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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***GSM。
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EP15754997.3A EP3099138B1 (en) | 2014-02-26 | 2015-02-09 | Multi-mode wireless terminal |
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US9800443B2 (en) | 2017-10-24 |
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RU2658656C2 (ru) | 2018-06-22 |
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US20160365995A1 (en) | 2016-12-15 |
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