WO2016201976A1 - Procédé de communication de terminal et terminal de communication - Google Patents

Procédé de communication de terminal et terminal de communication Download PDF

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Publication number
WO2016201976A1
WO2016201976A1 PCT/CN2016/071232 CN2016071232W WO2016201976A1 WO 2016201976 A1 WO2016201976 A1 WO 2016201976A1 CN 2016071232 W CN2016071232 W CN 2016071232W WO 2016201976 A1 WO2016201976 A1 WO 2016201976A1
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WIPO (PCT)
Prior art keywords
mimo
terminal
communication terminal
area network
local area
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PCT/CN2016/071232
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English (en)
Chinese (zh)
Inventor
刘朕
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]

Definitions

  • This application relates to, but is not limited to, the field of communication technology.
  • MIMO Multiple-Input Multiple-Output
  • MIMO Multiple-Input Multiple-Output
  • the core technology can make full use of space resources, realize multiple transmission and multiple reception through multiple antennas, can significantly improve system channel capacity without increasing spectrum resources and antenna transmission power, showing obvious advantages, and is regarded as next generation mobile communication.
  • the core technology can make full use of space resources, realize multiple transmission and multiple reception through multiple antennas, can significantly improve system channel capacity without increasing spectrum resources and antenna transmission power, showing obvious advantages, and is regarded as next generation mobile communication.
  • MIMO can solve this problem well, it is limited. Due to the size and space of the terminal itself, MIMO technology cannot be applied well on wireless mobile terminals. Because the physical space of the wireless mobile terminal is insufficient, multiple antennas cannot be equipped, which leads to the problem that more antennas cannot be transmitted and received.
  • the embodiments of the present invention provide a terminal communication method and a communication terminal, which are intended to improve the communication quality of the terminal, and in particular, solve the problem that the wireless mobile terminal cannot be equipped with multiple antennas due to insufficient physical space.
  • the current communication terminal and the plurality of other communication terminals are paired by the wireless local area network to form a MIMO antenna array;
  • Data reception and transmission are performed based on the MIMO antenna array.
  • the step of forming the MIMO antenna array by the wireless local area network pairing between the current communication terminal and the plurality of other communication terminals includes:
  • the current communication terminal is paired with a plurality of other communication terminals in the same wireless local area network, and the information of the paired other communication terminals is saved at the local end;
  • the antenna of the local end is multiplexed with the antennas of the pair of other communication terminals to form a MIMO antenna array, and a MIMO link based on the wireless local area network between each communication terminal in the MIMO antenna array is established.
  • the number of communication terminals in the same WLAN is set to n
  • the step of performing data reception based on the MIMO antenna array includes:
  • the current communication terminal receives a radio frequency signal through the local antenna, and receives encoded signals from other n-1 communication terminals through the wireless local area network;
  • the step of performing data transmission by the communication terminal based on the MIMO antenna array includes:
  • the method further includes:
  • the MIMO link state of each communication terminal in the MIMO antenna array is monitored in real time, and the MIMO link release and establishment of the corresponding communication terminal is performed according to the MIMO link state of each communication terminal.
  • the communication terminal is a mobile communication terminal or a fixed communication terminal; and the wireless local area network is a mobile wireless local area network or a fixed wireless local area network.
  • the embodiment of the present invention further provides a communication terminal, where the communication terminal includes a MIMO processing module, a baseband module, a radio frequency module, and a terminal antenna, and the MIMO processing module is respectively connected to the baseband module and the radio frequency module, and the radio frequency module is
  • the MIMO processing module is further connected to the wireless local area network of the communication terminal, and the MIMO processing module includes:
  • Establishing a unit configured to: form a MIMO antenna array by pairing the current communication terminal with a plurality of other communication terminals by using a wireless local area network;
  • the data processing unit is configured to perform data reception and transmission based on the MIMO antenna array.
  • the establishing unit is configured to: pair the current communication terminal with a plurality of other communication terminals in the same wireless local area network, and save the information of the paired other communication terminals on the local end;
  • the antenna is multiplexed with the antennas of the pair of the other communication terminals to form a MIMO antenna array, and a MIMO link based on the wireless local area network between each of the communication terminals in the MIMO antenna array is established.
  • the data processing unit is configured to receive a radio frequency signal through the local antenna, receive the encoded signal from the other n-1 communication terminals through the wireless local area network, and demodulate the received radio frequency signal to obtain a demodulated signal. Dividing the demodulated signal into two paths, and combining one of the demodulated signals with the encoded signals from the other n-1 communication terminals to form n coded code groups, and sending the baseband module to the current communication terminal Decoding is performed; another demodulated signal is secondarily encoded to obtain n-1 encoded signals; and the n-1 encoded signals are sent to other n-1 communication terminals in the WLAN for decoding.
  • the data processing unit is configured to: acquire a baseband signal of the current communication terminal. And encoding the baseband signal of the current communication terminal into n pieces of coded information, the number of codes n being the same as the number of antennas in the MIMO antenna array; and transmitting one of the n pieces of coded information to the current communication terminal
  • the radio frequency module performs modulation, it is externally transmitted through the antenna of the current communication terminal; and the remaining n-1 pieces of coded information in the n pieces of coded information are respectively modulated by radio frequency modules of other n-1 communication terminals in the wireless local area network. Thereafter, the antennas of the other n-1 communication terminals in the wireless local area network are externally transmitted.
  • the MIMO processing module further includes:
  • the monitoring unit is configured to: monitor the MIMO link status of each communication terminal in the MIMO antenna array in real time, and perform MIMO link release and establishment of the corresponding communication terminal according to the MIMO link status of each communication terminal.
  • a computer readable storage medium storing computer executable instructions for performing the method of any of the above.
  • a terminal communication method and a communication terminal are paired by a wireless local area network to form a MIMO antenna array; and a data terminal is received and transmitted by the communication terminal based on the MIMO antenna array, thereby eliminating the need for wireless mobile
  • a new antenna is added to the terminal, and the wireless terminal antenna in the coverage area of the local area network is utilized by the wireless local area network to form an antenna transceiver array, which realizes the function of MIMO, greatly improves the communication quality of the terminal, and particularly solves the problem because the wireless mobile terminal physics There is not enough space, and multiple antennas cannot be equipped, which makes it impossible to transmit more antennas.
  • FIG. 1 is a schematic flow chart of a first embodiment of a terminal communication method according to the present invention.
  • FIG. 2 is a structural block diagram of a communication terminal with a MIMO processing module and a communication terminal capable of forming and accessing a wireless local area network, which is used in an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of implementing MIMO by using a wireless local area network function provided by a communication terminal according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart of implementing MIMO by using a fixed wireless local area network according to an embodiment of the present invention
  • FIG. 5 is a flow chart of signal transmission in an embodiment of the present invention.
  • FIG. 6 is a flow chart of signal reception in an embodiment of the present invention.
  • FIG. 7 is a schematic flow chart of a second embodiment of a terminal communication method according to the present invention.
  • FIG. 8 is a schematic structural diagram of a MIMO processing module according to an embodiment of the present invention.
  • the antenna of the communication terminal that can access the wireless local area network is multiplexed by using the wireless local area network to form an antenna array, thereby realizing the function of MIMO, and greatly improving the communication quality of the terminal.
  • the wireless mobile terminal cannot have more antennas due to insufficient physical space and cannot be equipped with multiple antennas.
  • the embodiment of the present invention considers that the MIMO technology of the related art cannot be well applied to the wireless mobile terminal because the size and space of the terminal itself are limited. Because the physical space of the wireless mobile terminal is insufficient, multiple antennas cannot be equipped. As a result, the problem of more antenna transmission and reception cannot be performed.
  • the embodiment of the invention can solve the problem well, and utilizes the function of the wireless local area network to make good use of other terminal antennas in the wireless local area network, and constitutes a MIMO antenna array for wide-area wireless network transmission, and realizes MIMO transmission and reception.
  • the problem of terminal reception quality and reliability is solved.
  • a first embodiment of the present invention provides a terminal communication method, including:
  • Step S10 the current communication terminal and the plurality of other communication terminals are paired by the wireless local area network to form a MIMO antenna array
  • the communication terminal in this embodiment may be a mobile communication terminal or a fixed communication terminal.
  • This embodiment is exemplified by a mobile terminal (such as a mobile phone).
  • the wireless local area network technology is very mature, and the technologies that constitute the wireless local area network such as WIFI and Bluetooth are widely used, especially the WIFI local area network is most widely used in the home LAN networking.
  • the wireless local area network may be a mobile wireless local area network or a fixed wireless local area network.
  • the wireless local area network is used as a medium, and the communication terminal antenna having the function of accessing the local area network in the wireless local area network is linked through the local area network to form an antenna array, thereby implementing the MIMO function.
  • the current communication terminal is paired with a plurality of other communication terminals in the same wireless local area network, and the information of the paired other communication terminals is saved at the local end;
  • the antenna of the local end is multiplexed with the antennas of the pair of other communication terminals to form a MIMO antenna array, and a MIMO link based on the wireless local area network between each communication terminal in the MIMO antenna array is established.
  • the wireless local area network is a radio frequency signal, and can also be used as a carrier.
  • the baseband signal of the mobile phone can be modulated on the frequency of the wireless local area network, and the wireless local area network signal is used as a carrier to transmit and receive between the terminals.
  • the baseband signal of the terminal A can be transmitted to the terminal B through the wireless local area network band modulation, and then the terminal B demodulates the baseband signal of the terminal A from the wireless local area network modulated signal, and then The baseband signal is sent to the radio frequency path of the terminal B for radio frequency modulation, and then transmitted through the antenna of the terminal B, so that the information data of the A terminal is transmitted by using the main antenna of the B terminal.
  • a terminal is simultaneously paired with multiple terminals on a wireless local area network
  • the terminals can use the wireless local area network to form a MIMO antenna array, and the hotspot working principle in the wireless local area network can realize one terminal simultaneously and multiple times.
  • the terminals are paired on the WLAN.
  • Step S20 performing data reception and transmission based on the MIMO antenna array.
  • the process of receiving data in the same WLAN antenna array may include:
  • the current communication terminal receives the radio frequency signal through the local antenna, and receives the data through the wireless local area network.
  • the coded signals of one communication terminal constitute n coded code groups, which are sent to the baseband module of the current communication terminal for decoding; and the other demodulated signals are secondarily coded to obtain n-1 coded signals.
  • n-1 coded signals are transmitted to other n-1 communication terminals in the wireless local area network for decoding.
  • the radio frequency signal is demodulated and directly enters the baseband module for decoding.
  • the signal is divided into two paths, one of which enters the local baseband module for decoding, and the other of which is secondarily encoded to become n-1 codes, which is n-1
  • the codes are sent to other terminals for decoding via the wireless LAN.
  • the terminal A in the receiving process, receives the signal from the local antenna, and also sends n-1 signals through the wireless local area network, and also receives the other signals from the wireless local area network.
  • -1 terminal signal terminal A combines the signal received by the local antenna with the n-1 signals sent by other terminals to form a code group of n coding information, and then enters the baseband for secondary decoding to obtain a useful signal of the local machine. Complete the receiving process.
  • the terminal A receives the terminal A local antenna signal and the other n-1 road signals through the wireless local area network to form n coded code groups by using the wireless MIMO antenna array, and the wireless MIMO antenna array works for other terminals.
  • terminal A divides into two paths, one of which is twice coded into n-1 codes and transmitted through wireless local area network modulation.
  • the terminal A can receive n signals by using a MIMO antenna array based on the wireless local area network, wherein one of the signals is a radio frequency signal transmitted from the local antenna of the terminal A, and the radio frequency signal is an antenna.
  • the radio frequency signal is demodulated into a baseband signal by the terminal A.
  • the baseband signal is referred to as a demodulated signal; and the n-1 way signal is from other n-1 in the wireless local area network.
  • the n-1 channel signal is encoded by the other n-1 communication terminals and then sent to the terminal A.
  • the n-1 channel signal is an encoded signal, and the terminal A receives the radio frequency signal received from the local antenna.
  • the demodulated demodulated signals belong to the same signal, and after being aggregated to the terminal A, the terminal A descrambles the useful signal of the local end. No before The terminal A is designated to use the MIMO antenna array when the line LAN is paired.
  • the terminal A divides the demodulated signal into two paths, and combines one of the demodulated signals with the encoded signals from other n-1 communication terminals to form n coded code groups, and sends them to the baseband module of the current communication terminal to perform two. Sub-decoding, descrambling to get the local useful signal.
  • Terminal A performs secondary encoding on another demodulated signal to obtain n-1 encoded signals; and sends the n-1 encoded signals to other n-1 communication terminals in the WLAN for decoding, thereby
  • the antenna of n-1 communication terminals transmits the information data of the terminal A. Therefore, the demodulated signal (baseband signal) demodulated from the radio frequency signal received by the local antenna of the terminal A belongs to the same signal as the encoded signal received from the other n-1 terminals through the wireless local area network, and is aggregated to the terminal A.
  • the terminal A descrambles the useful signal of the local end.
  • Both of the two signals separated by the terminal A from the demodulated signal belong to the same signal, and the terminal A borrows other terminal antennas to implement multiple input and output of the local signal.
  • the foregoing process of performing data transmission by the communication terminal based on the MIMO antenna array may include:
  • a baseband signal of the current communication terminal Acquiring a baseband signal of the current communication terminal; encoding the baseband signal of the current communication terminal into n pieces of coded information, the number of codes n being the same as the number of antennas in the MIMO antenna array; encoding one of the n pieces of coded information
  • the information is modulated by the radio frequency module of the current communication terminal, the information is transmitted to the outside through the antenna of the current communication terminal; the remaining n-1 pieces of the encoded information in the n pieces of encoded information are respectively passed through other n-1 communications in the wireless local area network.
  • the radio frequency module of the terminal performs modulation, the antenna of the other n-1 communication terminals in the WLAN is externally transmitted.
  • the baseband signal is encoded, it is directly modulated by the radio frequency module of the terminal, and then transmitted through the antenna.
  • the baseband signal is changed into n pieces of coded information when the baseband is coded, and the number of codes n is the same as the number of antennas in the MIMO antenna array composed of the wireless local area network, and one of the codes enters the local radio frequency module and passes through the local machine.
  • the antenna transmits, and the other n-1 codes are transmitted through other wireless terminals through the wireless local area network to implement multi-antenna transmission.
  • the multiple communication terminals are paired by using a wireless local area network.
  • the array implements the function of MIMO, greatly improves the communication quality and reliability of the terminal, and particularly solves the problem that the wireless mobile terminal cannot be equipped with multiple antennas due to insufficient physical space and cannot transmit and receive more antennas.
  • Each communication terminal in the embodiment of the present invention may be a communication terminal with a MIMO processing module and having the capability of accessing a wireless local area network.
  • the communication terminal with the MIMO processing module and the WLAN processing module in the embodiment of the present invention includes:
  • the terminal antenna 101 is configured to: transmit and receive a radio frequency signal
  • the terminal radio frequency module 102 is configured to: radio frequency modulation and demodulation;
  • the terminal baseband module 103 is configured to: codec of a baseband signal
  • the wireless local area network antenna 104 is configured to: transmit a wireless local area network band signal
  • the wireless local area network module 105 is configured to: modulate and demodulate the radio frequency signal of the wireless local area network, optionally WIFI, Bluetooth, etc.;
  • the MIMO processing module is respectively connected to the terminal baseband module 103 and the terminal radio frequency module 102, the terminal radio frequency module 102 is connected to the terminal antenna 101, and the MIMO processing module is also connected to the wireless local area network module 105 of the communication terminal.
  • the MIMO processing module includes an encoder 106, a decoder 107, a monitoring unit 108, and a storage unit 109.
  • the wireless local area network is used to establish a link of the antenna, which may be a network function module that is provided by the mobile terminal, or may be a fixed wireless local area network, which may be WIFI or Bluetooth, and the communication terminal may be a mobile communication.
  • the terminal may also be a fixed communication terminal and has the capability of accessing the local area network.
  • the MIMO processing module has a storage function, a frequency division and a frequency division function, a real-time processing function for transmitting and receiving information in the local area network, and a function of establishing and releasing a MIMO link in real time. Establish the function of the number of MIMO antennas.
  • the WLAN part it is mainly used to establish a medium for the MIMO antenna array, which may be an existing fixed wireless local area network, or may be a built-in networking function of the terminal, such as WIFI and Bluetooth.
  • a medium for the MIMO antenna array which may be an existing fixed wireless local area network, or may be a built-in networking function of the terminal, such as WIFI and Bluetooth.
  • the MIMO processing module has the functions of storage function, frequency division and frequency division of radio frequency signals, real-time processing of information transmission and reception functions in the local area network, real-time establishment and release of MIMO links, and codec function.
  • MIMO links are links on the wireless LAN between each terminal in a MIMO antenna array established through a wireless LAN and a terminal antenna with a MIMO processing module that accesses this WLAN function
  • the MIMO processing module stores the terminal MAC address in the antenna array as information in the storage unit 109, thereby indicating the terminal constituting the MIMO antenna array, and the MIMO processing module adjusts the access MIMO in real time according to the change of the communication terminal in the WLAN.
  • the terminal of the antenna array because the terminal may be shut down at any time, the mobile terminal may also go out of the coverage of the wireless local area network at any time, so the MIMO processing module needs to monitor the situation of the MIMO array in real time, and adjust to ensure that the terminal that constitutes the antenna array is wireless.
  • the terminal with the best signal in the coverage of the local area network ensures that the MIMO antenna array can maintain normal function.
  • the MIMO processing module clears the MAC of the terminal in the storage unit 109 in time.
  • the MIMO processing module stores the MAC address information of the new access terminal into the storage unit 109 in time, and each time there is information to be transmitted, the monitoring unit 108 in the MIMO processing module first confirms which terminals are in the storage unit. In the antenna array, then confirm whether the link of the wireless LAN is normal or not, and send it normally. If it is not normal, re-establish the link.
  • the number of antennas required for MIMO is derived from the number of supported base stations, so the MIMO processing module has the function of establishing the number of antennas constituting MIMO, and the MIMO processing module receives the information of the number of supports sent from the base station, and then supports the number of supported base stations. To establish the number of antennas in the present MIMO antenna array.
  • FIG. 3 is a block diagram of implementing MIMO using the built-in wireless network function provided by the communication terminal.
  • terminals 201...20n with MIMO processing modules terminals 201...20n with MIMO processing modules.
  • the main principle is to realize the wireless MIMO antenna array by using the module of the wireless local area network built in the terminal.
  • the optional LAN module is a WIFI module, a Bluetooth module, etc.
  • Each terminal uses the own networking module to pair with each other.
  • the terminal terminal stores the paired other terminal information in the storage unit 109 of the MIMO processing module to form a wireless MIMO antenna array for the terminal, and the MIMO processing module performs dynamic according to the terminal signal strength in the local area network.
  • Establish and release a pairing link of the wireless local area network that is, when some terminals are mobile terminals, when the mobile terminal moves out of the area covered by the wireless local area network, MIMO judges that the terminal is away from and removes the wireless according to the weakening or disappearing of the wireless local area network signal.
  • the coverage area of the network releases the wireless local area link of the terminal, and searches for a relatively stable signal from the coverage of the wireless local area network, establishes a wireless local area network link in time, and adds it to the MIMO antenna array. To ensure the number of antennas in the MIMO antenna array.
  • FIG. 4 is a block diagram of implementing MIMO by using a built-in wireless network function provided by a communication terminal.
  • terminals 301...30n with MIMO processing modules terminals 301...30n with MIMO processing modules.
  • the main principle is to realize the wireless MIMO antenna array by using the existing fixed wireless local area network.
  • Each terminal accesses the fixed wireless local area network by using the wireless local area network module, and each terminal will utilize its own MIMO processing module.
  • According to other terminal information that is simultaneously connected to the local area network it is judged which terminals are selected to form a wireless MIMO antenna array for the terminal, and the MIMO processing module dynamically establishes and releases the wireless according to the strength of the terminal signal in the local area network.
  • the pairing link of the local area network that is, when some terminals are mobile terminals, when the mobile terminal moves out of the area covered by the wireless local area network, MIMO judges that the terminal is away from and removed from the coverage area of the wireless network according to the weakening or disappearing of the wireless local area network signal. , the wireless local area link of the terminal is released, and a stronger and stable letter is searched from the coverage of the wireless local area network. No., establish a wireless LAN link in time, and add it to the MIMO antenna array to ensure the number of antennas of the MIMO antenna array.
  • FIG. 5 is a flow chart of signal transmission according to an embodiment of the present invention.
  • the flowchart is a flowchart for when the MIMO antenna array performs signal transmission service for one of the MIMO antenna arrays, and in FIG. 5:
  • the terminal first encodes the baseband signal and becomes n codes, wherein h1 enters the local radio frequency path, performs modulation and transmits through the local antenna, and the MIMO processing module detects the base station broadcast message received by the local antenna to confirm The base station supports the number n of MIMO antenna arrays, and then the detecting unit determines whether the local device has a well-established wireless MIMO antenna array matched with the base station, and if so, modulates the h2...hn signal to the WLAN band through the wireless
  • the local area network transmits to other n-1 terminals, and after receiving the signal sent by the wireless local area network, the n-1 terminals demodulate the signal, demodulate the useful baseband signal from the wireless local area network signal information, and then The baseband signal is input into the radio frequency module of the unit, and is modulated by the radio frequency and transmitted through the antenna.
  • the number of terminals supporting the establishment of the MIMO array in the range of the wireless local area network is searched, and the wireless local area network is selected. Accessing relatively stable n-1 terminals and the terminal to form a wireless antenna array, The 2...hn channel signals are respectively sent to the terminal 2 of the antenna array via the wireless local area network... terminal n, the terminal 2...the terminal n transmits the signal through the antenna, thereby realizing the MIMO transmission function of the terminal 1 signal, and the other terminals 2... The transmission process of terminal n is the same.
  • FIG. 6 is a flow chart of signal reception according to an embodiment of the present invention.
  • the terminal 1...the terminal n will receive the h1 signal, and each terminal demodulates the signal and demodulates it into a baseband signal, and the baseband signal will be divided into two paths, one of which directly enters the present
  • the baseband module of the machine the other way through the secondary coding to form n-1 codes, with the terminal 1 as an example, the received signal is h1, first demodulation of the baseband signal, the baseband signal is divided into two paths, and one way is directly input to the local machine for h11 Baseband module, another way to encode processing, divided into H12...h1n, while the MIMO processing module detects the base station broadcast message received by the local antenna to confirm the number n of the MIMO antenna array supported by the base station, and then determines whether the local device has a well established wireless MIMO antenna array matched with the base station.
  • h12...h1n is modulated into the WLAN band, and the WLAN is sent as a carrier to the other n-1 terminals 2... terminal n. If it is judged that the antenna array is not matched with the base station, the wireless search is performed. The number of terminals supporting the establishment of the MIMO array in the local area network is selected, and the n-1 terminals with relatively stable wireless local area network access and the terminal form a wireless antenna array, and the h2...hn signals are separately modulated into the wireless local area network band to the wireless local area network. The frequency band signal is sent as a carrier to the terminal 2...
  • terminal n of the antenna array, and the terminal 2...the terminal n respectively decodes the received signal, and then forms a code group of n codes with a signal received by the local antenna.
  • Input into the baseband module taking terminal 1 as an example, which receives a total of n signals, where h11 is from the local antenna, h21...h N1 is from the terminal 2...the terminal n, so that the terminal 1 completely receives the n-channel code, and the useful signal for the terminal 1 can be solved by the channel decoding.
  • the terminal 2...the terminal n also receives the same from the terminal
  • the local antenna and the wireless LAN transmit a total of n signals, but because this signal does not match the local channel codec, terminal 2... terminal n will discard this signal, the above process is the MIMO receiving process for terminal 1, other terminals 2...
  • the receiving process of the terminal n is the same as that of the terminal 1.
  • a plurality of communication terminals are paired to form a MIMO antenna array by using a wireless local area network; and data reception and transmission of the communication terminal are performed based on the MIMO antenna array, thereby eliminating the need to add a new antenna to the wireless mobile terminal.
  • Utilize the wireless local area network to utilize the wireless terminal antennas in the coverage area of the local area network to form an antenna transceiver array realize the function of MIMO, greatly improve the communication quality and reliability of the terminal, and especially solve the problem that the physical space of the wireless mobile terminal is insufficient. Equipping multiple antennas results in the problem of not being able to transmit more antennas.
  • a second embodiment of the present invention provides a terminal communication method.
  • the method further includes:
  • Step S30 real-time monitoring the MIMO link status of each communication terminal in the MIMO antenna array, and performing MIMO link release and establishment of the corresponding communication terminal according to the MIMO link status of each communication terminal.
  • the MIMO processing module establishes and releases MIMO links in real time:
  • the MIMO link is a link on a wireless local area network between each terminal in a MIMO antenna array established by a wireless local area network and a terminal antenna with a MIMO processing module that accesses the wireless local area network function, and the MIMO processing module will antenna array
  • the terminal MAC address is stored as information in the storage unit 109, thereby indicating the terminal constituting the MIMO antenna array, and the MIMO processing module adjusts the terminal entity accessing the MIMO antenna array in real time according to the change of the communication terminal in the WLAN, because The terminal may be shut down at any time. If the mobile terminal is located, it may go out of the coverage of the WLAN at any time.
  • the MIMO processing module needs to monitor the MIMO array in real time and adjust it to ensure that the terminals constituting the antenna array are the signals within the coverage of the wireless local area network.
  • An optimal terminal to ensure that the MIMO antenna array can maintain normal function.
  • the MIMO processing module clears the MAC address information of the terminal in the storage unit 109 in time. MIMO processing when other terminals access The block timely stores the MAC address information of the new access terminal into the storage unit 109, and each time there is information to be transmitted, the monitoring unit 108 in the MIMO processing module first confirms from the storage unit which terminals are in the antenna array, and then Confirm that the link of the wireless LAN is normal or not, and send it normally. If it is not normal, re-establish the link.
  • the MIMO processing module dynamically establishes and releases the pairing link of the wireless local area network according to the strength of the terminal signal in the local area network, that is, when some terminals are mobile terminals, the mobile terminal moves out of the coverage of the wireless local area network.
  • MIMO will judge whether the terminal is away from and removed from the coverage area of the wireless network according to the weakening or disappearing of the wireless local area network signal, and then release the wireless local area link of the terminal, and find a stronger comparison within the coverage of the wireless local area network.
  • a stable signal, a wireless LAN link is established in time, and added to the MIMO antenna array to ensure the number of antennas of the MIMO antenna array.
  • the first embodiment of the present invention provides a communication terminal, where the communication terminal may include a MIMO processing module, a baseband module, a radio frequency module, and an antenna, and the internal functions of the MIMO processing module in this embodiment
  • the communication terminal may include a MIMO processing module, a baseband module, a radio frequency module, and an antenna, and the internal functions of the MIMO processing module in this embodiment
  • the structure may not be limited, and for example, the functional structure shown in FIG. 2 may be employed.
  • the MIMO processing module may include: an establishing unit 81 and a data processing unit 82, where:
  • the establishing unit 81 is configured to: form a MIMO antenna array by pairing the current communication terminal with the plurality of other communication terminals by using a wireless local area network;
  • the data processing unit 82 is configured to perform data reception and transmission based on the MIMO antenna array.
  • the establishing unit 81 is configured to: pair the current communication terminal with a plurality of other communication terminals in the same wireless local area network, and save the information of the paired other communication terminals at the local end;
  • the antenna of the end is multiplexed with the antennas of the pair of other communication terminals to form a MIMO antenna array, and a MIMO link based on the wireless local area network between each communication terminal in the MIMO antenna array is established.
  • the number of communication terminals in the same WLAN is set to n; the data processing unit 82 is configured to: receive the radio frequency signal through the local antenna, and receive the other n-1 communications through the WLAN. a coded signal of the terminal; demodulating the received radio frequency signal to obtain a demodulated signal; dividing the demodulated signal into two paths, and demodulating one of the demodulated signals with the code from the other n-1 communication terminals
  • the signals form n coded code groups, and are sent to the baseband module of the current communication terminal for decoding; the other demodulated signals are secondarily coded to obtain n-1 coded signals; and the n-1 coded signals are obtained. Sending to other n-1 communication terminals in the wireless local area network for decoding.
  • the data processing unit 82 is configured to: acquire a baseband signal of the current communication terminal; encode the baseband signal of the current communication terminal into n pieces of encoded information, and the number of codes n and the MIMO antenna array The number of antennas is the same; one of the n pieces of coded information is modulated by the radio frequency module of the current communication terminal, and then transmitted through the antenna of the current communication terminal; the remaining n-1 pieces of the n pieces of coded information The coded information is modulated by the radio frequency modules of the other n-1 communication terminals in the WLAN, and then transmitted through the antennas of other n-1 communication terminals in the WLAN.
  • the MIMO processing module further includes:
  • a monitoring unit configured to: monitor each communication terminal in the MIMO antenna array in real time The MIMO link state, and the MIMO link release and establishment of the corresponding communication terminal is performed according to the MIMO link state of each communication terminal.
  • a plurality of communication terminals are paired to form a MIMO antenna array by using a wireless local area network; and data reception and transmission of the communication terminal are performed based on the MIMO antenna array, thereby eliminating the need to add a new antenna to the wireless mobile terminal.
  • Utilize the wireless local area network to utilize the wireless terminal antennas in the coverage area of the local area network to form an antenna transceiver array realize the function of MIMO, greatly improve the communication quality and reliability of the terminal, and especially solve the problem that the physical space of the wireless mobile terminal is insufficient. Equipping multiple antennas results in the problem of not being able to transmit more antennas.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • a terminal communication method and a communication terminal are paired by a wireless local area network to form a MIMO antenna array; and a data terminal is received and transmitted by the communication terminal based on the MIMO antenna array, thereby eliminating the need for wireless mobile
  • a new antenna is added to the terminal, and the wireless terminal antenna in the coverage area of the local area network is utilized by the wireless local area network to form an antenna transceiver array, which realizes the function of MIMO, greatly improves the communication quality of the terminal, and particularly solves the problem because the wireless mobile terminal physics There is not enough space, and multiple antennas cannot be equipped, which makes it impossible to transmit more antennas.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)

Abstract

L'invention concerne un procédé de communication de terminal et un terminal de communication. Le procédé consiste : à apparier un terminal de communication courant avec une pluralité d'autres terminaux de communication au moyen d'un réseau local sans fil pour constituer un réseau d'antennes à entrées multiples, sorties multiples (MIMO) ; et à recevoir et envoyer des données sur la base du réseau d'antennes MIMO.
PCT/CN2016/071232 2015-06-15 2016-01-18 Procédé de communication de terminal et terminal de communication Ceased WO2016201976A1 (fr)

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