Access point selection method, terminal, and access point

Access point selection method, terminal, and access point

  • CN 105,453,651 A
  • Filed: 12/19/2013
  • Published: 03/30/2016
  • Est. Priority Date: 12/19/2013
  • Status: Active Grant
First Claim
Patent Images

1. Claims1st, a kind of access point system of selection, it is characterised in that methods described includes:

  • Test data bag is sent at least one access point;

    If receiving the response data packet that multiple access points are sent according to the test data bag, the reception channel state parameter according to entrained by the channel state parameter of the response data packet or the response data packet determines target access;

    If receiving the response data packet that an access point is sent, described access point is defined as target access.2nd, according to the method described in claim 1, it is characterised in that the test data bag is empty packet.3rd, method according to claim 2, it is characterised in that if it is described receive the response data packet that multiple access points are sent according to the test data bag after, methods described also includes:

    Sent to the target access and confirm packet, the confirmation packet is used to establish a connection with the target access.4th, method according to claim 2, it is characterised in that also include before methods described:

    Empty packet notice is sent to described access point, so as to empty packets to be received such as access points indicated in the empty packet notice.5th, method according to claim 2, it is characterised in that the response data packet that described one access point of reception is sent, including:

    The beam forming report that described access point is sent is received, the beam forming is reported for describing the channel condition information between terminal and described access point.6th, method according to claim 2, it is characterised in that described to send test data bag at least one access point, including:

    Empty data packet request is sent to tap access point in the middle part of at least one described access point according to default transmission list, the default transmission list is used to record tap access point in the middle part of at least one access point;

    The response data packet that the multiple access points of reception are sent according to the test data bag, including:

    Receive the empty packet that the part access point is sent.7th, method according to claim 6, it is characterised in that carry turnaround time in the empty data packet request;

    The response data packet that the multiple access points of reception are sent according to the test data bag, including:

    The empty packet that the part access point is sent is received according to the turnaround time.8th, method according to claim 2, it is characterised in that described to send test data bag at least one access point, is specifically included:

    Every preset duration, one into default transmission list sends empty data packet request in the access point for not sending state;

    It is described to receive the response data packet that multiple access points are sent according to the test data bag, including:

    Receive the empty packet sent in the access point for not sending state according to the empty data packet request.9th, the method according to any one of claim 6 to 8, it is characterised in that described that target access is determined according to the response data packet, including:

    Each empty packet according to receiving calculates the channel state parameter for the access point for sending the empty packet;

    The access point of correspondence preferred channels state parameter is defined as target access.10, method according to claim 2, it is characterised in that methods described also includes:

    The network address that another access point is recorded in switching notice, the switching notice, the access point that another described access point is not connected at least one access point for described in the terminal are sent to another access point;

    If receiving another described access point sends the symbol ACK that reads really, determination has been set up with another described access point to be connected.11, the method according to claim 1-1 0, it is characterised in that the channel state parameter is any one following parameter:

    Signal intensity, signal to noise ratio snr, channel matrix.12nd, a kind of access point system of selection, it is characterised in that methods described includes:

    The test data bag that access point receiving terminal is sent;

    The access point that the channel state parameter of the test data bag received is more than the first threshold value is defined as target access by described access point and at least one remaining access point, and remaining described access point is the access point in addition to described access point for the test data bag for receiving terminal transmission;

    If described access point is the target access, response data packet is sent to the terminal.13, method according to claim 12, it is characterised in that methods described also includes:

    The channel state parameter of the test data bag received less than the first threshold value and is defined as relay access point by described access point and at least one described remaining access point more than the access point of the second threshold value;

    If described access point is the relay access point, the packet sent to the target access forwarding terminal.14th, method according to claim 12, it is characterised in that the test data bag is empty packet.15th, method according to claim 14, it is characterised in that after described access point sends response data packet according to the test data bag to terminal, methods described also includes:

    The confirmation packet that receiving terminal is sent, the confirmation packet is used to establish a connection with the terminal.16th, method according to claim 14, it is characterised in that before the empty packet that described access point receiving terminal is sent, methods described also includes:

    The empty packet notice that receiving terminal is sent;

    According to empty packets to be received such as the empty packet notices.17th, method according to claim 14, it is characterised in that after the target access sends response data packet to the terminal, methods described also includes:

    Beam forming report is sent to the terminal, the beam forming is reported for describing the channel condition information between terminal and described access point.18th, method according to claim 14, it is characterised in that the test data bag that described access point receiving terminal is sent, in addition to:

    Turnaround time is carried in the empty data packet request that receiving terminal is sent, the empty data packet request;

    It is described that response data packet is sent to terminal according to the test data bag, including:

    Empty packet is sent to the terminal according to the turnaround time.19th, method according to claim 14, it is characterised in that the test data bag that the receiving terminal is sent, in addition to:

    The empty data packet request that receiving terminal is sent;

    It is described that response data packet is sent to terminal according to the test data bag, in addition to:

    Empty packet is directly sent to the terminal according to the empty data packet request.20th, method according to claim 14, it is characterised in that after the non vacuum data bag that the receiving terminal is sent, methods described also includes:

    If receiving the switching notice of terminal transmission, set up and be connected with the terminal, the network address of described access point is recorded in the switching notice, after the connection with the terminal is set up, sent to the terminal and confirm character;

    Do not include the network address of described access point if listening in the network address described in the switching notice of terminal transmission, disconnect the connection with the terminal.21st, method according to claim 14, it is characterised in that the access point that the channel state parameter of the test data bag received is more than the first threshold value is defined as target access by described access point and at least one remaining access point, is specifically included:

    The channel state parameter of the test data bag received each other is interacted with least one described remaining access point;

    The access point that the channel state parameter of the test data bag received is more than the first threshold value is defined as target access.22nd, method according to claim 14, it is characterized in that, the channel state parameter of the test data bag received less than the first threshold value and is defined as relay access point by described access point and at least one described remaining access point more than the access point of the second threshold value, is specifically included:

    The channel state parameter of the test data bag received each other is interacted with least one described remaining access point;

    The channel state parameter of the test data bag received is less than the first threshold value and is defined as relay access point more than the second threshold value access point, first threshold value is more than second threshold value.23rd, the method according to any one of claim 12 to 22, it is characterised in that the channel state parameter is any one following parameter:

    Signal intensity, signal to noise ratio snr, channel matrix.24th, a kind of terminal, it is characterised in that the terminal includes:

    Transmitting element, for sending test data bag at least one access point;

    Receiving unit, for receiving the response data packet that multiple access points are sent according to the test data bag;

    Determining unit, for when the receiving unit receives the response data packet that multiple access points are sent according to the test data bag, the reception channel state parameter according to entrained by the channel state parameter of the response data packet or the response data packet to determine target access;

    The receiving unit is additionally operable to, and receives the response data packet that an access point is sent;

    The determining unit is additionally operable to, and when the receiving unit receives the response data packet that an access point is sent, described access point is defined as into target access.25th, terminal according to claim 24, it is characterised in that transmitting element, for sending test data bag at least one access point, is specifically included:

    The transmitting element, for sending empty packet at least one access point.26th, terminal according to claim 25, it is characterised in that the transmitting element is additionally operable to, sends to the target access and confirms packet, and the confirmation packet establishes a connection for terminal with the target access.27th, terminal according to claim 25, it is characterised in that the transmitting element is additionally operable to, sends empty packet to described access point and notices, so as to empty packets to be received such as described access points indicated in the empty packet notice.28th, terminal according to claim 25, it is characterised in that the receiving unit, for receiving the response data packet that an access point is sent, is specifically included:

    The receiving unit, the beam forming report for receiving described access point transmission, the beam forming is reported for describing the channel condition information between terminal and described access point.29th, terminal according to claim 25, it is characterised in that the transmitting element, for sending test data bag at least one access point, is specifically included:

    The transmitting element, for sending empty data packet request to tap access point in the middle part of at least one described access point according to default transmission list, the default transmission list is used to record tap access point in the middle part of at least one access point;

    Receiving unit, for receiving the response data packet that multiple access points are sent according to the test data bag,Specifically include:

    The receiving unit, for receiving the empty packet that the part access point is sent.30th, terminal according to claim 29, it is characterised in that carry turnaround time in the empty data packet request;

    Receiving unit, for receiving the response data packet that multiple access points are sent according to the test data bag, is specifically included:

    The receiving unit, for receiving the empty packet that the part access point is sent according to the turnaround time.31st, terminal according to claim 25, it is characterised in that the transmitting element is used to send test data bag at least one access point, in addition to:

    The transmitting element is used for, every preset duration, and one into default transmission list sends empty data packet request in the access point for not sending state;

    The receiving unit is used for the response data packet that multiple access points are sent according to the test data bag, in addition to:

    The receiving unit, for receiving the empty packet sent in the access point for not sending state according to the empty data packet request.32nd, the terminal according to any one of claim 29 to 31, it is characterized in that, the determining unit, target access is determined for the reception channel state parameter entrained by the channel state parameter according to the response data packet or the response data packet, including:

    The determining unit, the channel state parameter for calculating the access point for sending the empty packet according to each empty packet received;

    The access point of correspondence preferred channels state parameter is defined as target access.33rd, terminal according to claim 25, it is characterized in that, the transmitting element is additionally operable to, switching notice is sent to another access point, the network address of another access point, the access point that another described access point is not connected at least one access point for described in the terminal are recorded in the switching notice;

    The receiving unit is additionally operable to, and is received another described access point and is sent the symbol ACK that reads really;

    The determining unit is additionally operable to, and is sent really when the receiving unit receives another described access pointRead symbol ACK, then determine to have set up with another described access point to be connected.34th, the terminal according to claim 24-33, it is characterised in that the channel state parameter is any one following parameter:

    Signal intensity, signal to noise ratio snr, channel matrix.35th, a kind of access point, it is characterised in that described access point includes:

    Receiving unit, the test data bag sent for receiving terminal;

    Determining unit, the access point that the channel state parameter of test data bag for receiving the receiving unit with least one remaining access point is more than the first threshold value is defined as target access, and remaining described access point is the access point in addition to described access point for the test data bag for receiving terminal transmission;

    Transmitting element, for when the determining unit obtains described access point for the target access, response data packet to be sent to the terminal.36th, access point according to claim 35, it is characterized in that, the determining unit is additionally operable to, and the channel state parameter of the test data bag received less than the first threshold value and is defined as relay access point by least one described remaining access point more than the access point of the second threshold value;

    The transmitting element is additionally operable to, when the determining unit obtains described access point for the relay access point, the packet sent to the target access forwarding terminal.37th, access point according to claim 35, it is characterised in that the receiving unit, the test data bag sent for receiving terminal, is specifically included:

    The receiving unit, the empty packet sent for receiving terminal.38th, the access point according to claim 37, it is characterised in that the receiving unit is additionally operable to, the confirmation packet that receiving terminal is sent, the confirmation packet is used to establish a connection with the terminal.39th, the access point according to claim 37, it is characterised in that the receiving unit is additionally operable to, the empty packet notice that receiving terminal is sent;

    According to empty packets to be received such as the empty packet notices.40th, the access point according to claim 37, it is characterised in that the transmitting element is additionally operable to, beam forming report is sent to the terminal, and the beam forming is reported for describing the channel condition information between terminal and described access point.41st, the access point according to claim 37, it is characterised in that the receiving unit is used to receiveThe test data bag that terminal is sent, in addition to:

    Turnaround time is carried in the receiving unit, the empty data packet request sent for receiving terminal, the empty data packet request;

    The transmitting element is used to send response data packet to terminal, including:

    The transmitting element, for sending empty packet to the terminal according to the turnaround time.42nd, the access point according to claim 37, it is characterised in that the receiving unit is used for the test data bag that receiving terminal is sent, in addition to:

    The empty data packet request that receiving terminal is sent;

    The transmitting element is used to send response data packet to terminal, in addition to:

    The transmitting element, for directly sending empty packet to the terminal according to the empty data packet request.43rd, the access point according to claim 37, it is characterised in that the receiving unit is additionally operable to, receives the switching notice sent;

    Connection unit, for when the receiving unit receives the switching notice that terminal is sent, setting up and being connected with the terminal, the network address of described access point is recorded in the switching notice, after the connection with the terminal is set up, sent to the terminal and confirm character;

    The connection unit is additionally operable to, and when not including the network address of described access point in the network address described in the switching notice that the receiving unit is received, disconnects the connection with the terminal.44th, the access point according to claim 37, it is characterized in that, the determining unit, for the access point that the channel state parameter of the test data bag received is more than the first threshold value to be defined as into target access with least one remaining access point, is specifically included:

    The determining unit is used for, and the channel state parameter of the test data bag received each other is interacted with least one described remaining access point;

    The access point that the channel state parameter of the test data bag received is more than the first threshold value is defined as target access.45th, the access point according to claim 37, it is characterized in that, the determining unit, for the channel state parameter of the test data bag received to be less than into the first threshold value with least one described remaining access point and is defined as relay access point more than the access point of the second threshold value, specifically include:

    The determining unit, the channel state parameter for interacting the test data bag received each other with least one described remaining access point;

    The channel state parameter of the test data bag received is less than the first threshold value and is defined as relay access point more than the second threshold value access point, first threshold value is more than second threshold value.46th, the access point according to any one of claim 35 to 45, it is characterised in that the channel state parameter is any one following parameter:

    Signal intensity, signal to noise ratio snr, channel matrix.47th, a kind of terminal, it is characterised in that the terminal includes:

    Transmitter, for sending test data bag at least one access point;

    Receiver, for receiving the response data packet that multiple access points are sent according to the test data bag;

    Processor, for when the receiver receives the response data packet that multiple access points are sent according to the test data bag, the reception channel state parameter according to entrained by the channel state parameter of the response data packet or the response data packet to determine target access;

    The receiver is additionally operable to, and receives the response data packet that an access point is sent;

    The processor is additionally operable to, and when the receiver receives the response data packet that an access point is sent, described access point is defined as into target access.48th, terminal according to claim 47, it is characterised in that the transmitter, for sending test data bag at least one access point, is specifically included:

    The transmitter, for sending empty packet at least one access point.49th, terminal according to claim 48, it is characterised in that the transmitter is additionally operable to, sends to the target access and confirms packet, and the confirmation packet establishes a connection for terminal with the target access.50th, terminal according to claim 48, it is characterised in that the transmitter is additionally operable to, sends empty packet to described access point and notices, so as to empty packets to be received such as described access points indicated in the empty packet notice.51st, terminal according to claim 47, it is characterised in that the receiver, for receiving the response data packet that an access point is sent, is specifically included:

    The receiver, the beam forming report for receiving described access point transmission, the beam forming reportAccuse for describing the channel condition information between terminal and described access point.52nd, terminal according to claim 48, it is characterised in that the transmitter, for sending test data bag at least one access point, is specifically included:

    The transmitter, for sending empty data packet request to tap access point in the middle part of at least one described access point according to default transmission list, the default transmission list is used to record tap access point in the middle part of at least one access point;

    Receiver, for receiving the response data packet that multiple access points are sent according to the test data bag, is specifically included:

    The receiver, for receiving the empty packet that the part access point is sent.53rd, terminal according to claim 52, it is characterised in that carry turnaround time in the empty data packet request;

    Receiver, for receiving the response data packet that multiple access points are sent according to the test data bag, is specifically included:

    The receiver, for receiving the empty packet that the part access point is sent according to the turnaround time.54th, terminal according to claim 48, it is characterised in that the transmitting element is used to send test data bag at least one access point, in addition to:

    The transmitting element is used for, every preset duration, and one into default transmission list sends empty data packet request in the access point for not sending state;

    The receiving unit is used to receive the response data packet that multiple access points are sent according to the test data bag, in addition to:

    The receiving unit, for receiving the empty packet sent in the access point for not sending state according to the empty data packet request.55th, the terminal according to any one of claim 52 to 54, it is characterized in that, the processor, target access is determined for the reception channel state parameter entrained by the channel state parameter according to the response data packet or the response data packet, including:

    The processor, the channel state parameter for calculating the access point for sending the empty packet according to each empty packet received;

    The access point of correspondence preferred channels state parameter is defined as target access.56th, terminal according to claim 48, it is characterized in that, the transmitter is additionally operable to, switching notice is sent to another access point, the network address of another access point, the access point that another described access point is not connected at least one access point for described in the terminal are recorded in the switching notice;

    The receiver is additionally operable to, and is received another described access point and is sent the symbol ACK that reads really;

    The processor is additionally operable to, and sends the symbol ACK that reads really when the receiver receives another described access point, it is determined that set up and be connected with another described access point.57th, the terminal according to claim 47-56, it is characterised in that the channel state parameter is any one following parameter:

    Signal intensity, signal to noise ratio snr, channel matrix.58th, a kind of access point, it is characterised in that described access point includes:

    Receiver, the test data bag sent for receiving terminal;

    Processor, the access point that the channel state parameter of test data bag for receiving the receiver with least one remaining access point is more than the first threshold value is defined as target access, and remaining described access point is the access point in addition to described access point for the test data bag for receiving terminal transmission;

    Transmitter, for when the processor obtains described access point for the target access, response data packet to be sent to the terminal.59th, access point according to claim 58, it is characterized in that, the processor is additionally operable to, and the channel state parameter of the test data bag received less than the first threshold value and is defined as relay access point by least one described remaining access point more than the access point of the second threshold value;

    The transmitter is additionally operable to, when the processor obtains described access point for the relay access point, the packet sent to the target access forwarding terminal.60th, access point according to claim 59, it is characterised in that the receiver, the test data bag sent for receiving terminal, is specifically included:

    The receiver, the empty packet sent for receiving terminal.61st, access point according to claim 60, it is characterised in that the receiver is additionally operable to, the confirmation packet that receiving terminal is sent, the confirmation packet is used to establish a connection with the terminal.62nd, access point according to claim 60, it is characterised in that the receiver is additionally operable to, the empty packet notice that receiving terminal is sent;

    According to empty packets to be received such as the empty packet notices.63rd, access point according to claim 60, it is characterised in that the transmitter is additionally operable to, beam forming report is sent to the terminal, and the beam forming is reported for describing the channel condition information between terminal and described access point.64th, access point according to claim 60, it is characterised in that the receiver is used for the test data bag that receiving terminal is sent, in addition to:

    Turnaround time is carried in the receiver, the empty data packet request sent for receiving terminal, the empty data packet request;

    The transmitter is used to send response data packet to terminal, including:

    The transmitter, for sending empty packet to the terminal according to the turnaround time.65th, access point according to claim 60, it is characterised in that the receiver is used for the test data bag that receiving terminal is sent, in addition to:

    The empty data packet request that receiving terminal is sent;

    The transmitter is used to send response data packet to terminal, in addition to:

    The transmitter, for directly sending empty packet to the terminal according to the empty data packet request.66th, access point according to claim 60, it is characterised in that the receiver is additionally operable to, receives the switching notice sent;

    Processor, for when the receiver receives the switching notice that terminal is sent, setting up and being connected with the terminal, the network address of described access point is recorded in the switching notice, after the connection with the terminal is set up, sent to the terminal and confirm character;

    The processor is additionally operable to, and when not including the network address of described access point in the network address described in the switching notice that the receiver is received, disconnects the connection with the terminal.67th, access point according to claim 60, it is characterized in that, the processor, for the access point that the channel state parameter of the test data bag received is more than the first threshold value to be defined as into target access with least one remaining access point, is specifically included:

    The processor is used for, and the channel state parameter of the test data bag received each other is interacted with least one described remaining access point;

    The access point that the channel state parameter of the test data bag received is more than the first threshold value is defined as target access.68th, access point according to claim 59, it is characterized in that, the processor, for the channel state parameter of the test data bag received to be less than into the first threshold value with least one described remaining access point and is defined as relay access point more than the access point of the second threshold value, specifically include:

    The processor, the channel state parameter for interacting the test data bag received each other with least one described remaining access point;

    The channel state parameter of the test data bag received is less than the first threshold value and is defined as relay access point more than the second threshold value access point, first threshold value is more than second threshold value.69th, the access point according to any one of claim 58 to 68, it is characterised in that the channel state parameter is any one following parameter:

    Signal intensity, signal to noise ratio snr, channel matrix.

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