Transmission channel allocation method and allocation apparatus

Claim 1

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, said method comprising the steps of: determining whether interference occurs between signals of said plurality of terminal devices, and allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; said step of determining whether interference occurs includes measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said step of measuring an interference amount includes calculating a correlation value of reception signal vectors between said signals as said interference amount.

Claim 2

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, said method comprising the steps of: determining whether interference occurs between signals of said plurality of terminal devices, and allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; said step of determining whether interference occurs includes measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said step of measuring an interference amount includes calculating a correlation value of reception signal vectors between said signals as said interference amount.

Claim 3

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, said method comprising the steps of: determining whether interference occurs between signals of said plurality of terminal devices, and allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; said step of determining whether interference occurs includes measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said step of measuring an interference amount includes calculating a correlation value of weight vectors between said signals as said interference amount.

Claim 4

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, said method comprising the steps of: determining whether interference occurs between signals of said plurality of terminal devices, and allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; said step of determining whether interference occurs includes measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said step of measuring an interference amount includes calculating a correlation value of weight vectors between said signals as said interference amount.

Claim 5

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, said method comprising the steps of: determining whether interference occurs between signals of said plurality of terminal devices, and allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; said step of determining whether interference occurs includes measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said step of measuring an interference amount includes calculating a direction of arrival difference between said signals as said interference amount.

Claim 6

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, said method comprising the steps of: determining whether interference occurs between signals of said plurality of terminal devices, and allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; said step of determining whether interference occurs includes measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said step of measuring an interference amount includes calculating a direction of arrival difference between said signals as said interference amount.

Claim 7

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: determining whether interference occurs between a signal of a one of the terminal devices that has already been connected and a signal of one of the terminal devices that is newly requesting connection, and allocating an empty channel in which interference does not substantially occur to said terminal device newly requesting connection; wherein connection priority is pre-assigned to said plurality of terminal devices, and further comprising the step of forcedly allocating a channel that is allocated to an already-connected terminal device of lower priority to said terminal device of higher priority newly requesting connection as long as interference does not substantially occur when there is no said empty channel to be allocated.

Claim 8

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: determining whether interference occurs between a signal of a one of the terminal devices that has already been connected and a signal of one of the terminal devices that is newly requesting connection, and allocating an empty channel in which interference does not substantially occur to said terminal device newly requesting connection; wherein connection priority is pre-assigned to said plurality of terminal devices, and further comprising the step of forcedly allocating a channel that is allocated to an already-connected terminal device of lower priority to said terminal device of higher priority newly requesting connection as long as interference does not substantially occur when there is no said empty channel to be allocated.

Claim 9

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: determining whether interference occurs between signals of terminal devices that have already been connected, and shifting one terminal device to another channel in which interference does not substantially occur when said interference occurs between signals of said terminal devices that have already been connected; wherein a connection priority is pre-assigned to said plurality of terminal devices, and said step of shifting comprises the step of shifting a terminal device of lower priority out of terminal devices causing interference.

Claim 10

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: determining whether interference occurs between signals of terminal devices that have already been connected, and shifting one terminal device to another channel in which interference does not substantially occur when said interference occurs between signals of said terminal devices that have already been connected; wherein a connection priority is pre-assigned to said plurality of terminal devices, and said step of shifting comprises the step of shifting a terminal device of lower priority out of terminal devices causing interference.

Claim 11

An apparatus for allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising: means for determining whether interference occurs between signals of said plurality of terminal devices, and means for allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; wherein said means for determining whether interference occurs includes means for measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said means for measuring an interference amount includes means for calculating a correlation value of reception signal vectors between said signals as said interference amount.

Claim 12

An apparatus for allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising: means for determining whether interference occurs between signals of said plurality of terminal devices, and means for allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; wherein said means for determining whether interference occurs includes means for measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said means for measuring an interference amount includes means for calculating a correlation value of reception signal vectors between said signals as said interference amount.

Claim 13

An apparatus for allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising: means for determining whether interference occurs between signals of said plurality of terminal devices, and means for allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; wherein said means for determining whether interference occurs includes means for measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said means for measuring an interference amount includes means for calculating a correlation value of weight vectors between said signals as said interference amount.

Claim 14

An apparatus for allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising: means for determining whether interference occurs between signals of said plurality of terminal devices, and means for allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; wherein said means for determining whether interference occurs includes means for measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said means for measuring an interference amount includes means for calculating a correlation value of weight vectors between said signals as said interference amount.

Claim 15

An apparatus for allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising: means for determining whether interference occurs between signals of said plurality of terminal devices, and means for allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; wherein said means for determining whether interference occurs includes means for measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said means for measuring an interference amount includes means for calculating an incoming signal between said signals as said interference amount.

Claim 16

An apparatus for allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising: means for determining whether interference occurs between signals of said plurality of terminal devices, and means for allocating channels in which interference does not substantially occur to said plurality of terminal devices according to said determination result; wherein said means for determining whether interference occurs includes means for measuring an interference amount of said signals between channels belonging to the same frequency and same time slot; wherein said means for measuring an interference amount includes means for calculating an incoming signal between said signals as said interference amount.

Claim 17

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating one of the channels of an empty time slot in the time axis direction to a terminal device newly requesting connection, and allocating an empty channel in the path multiplex direction to said terminal device newly requesting connection after there is no empty time slot in the time axis direction.

Claim 18

A method of allocating, to a plurality of terminal devices, respective ones of a plurality of channels for multiple connection to a base respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating one of the channels of an empty time slot in the time axis direction to a terminal device newly requesting connection, and allocating an empty channel in the path multiplex direction to said terminal device newly requesting connection after there is no empty time slot in the time axis direction.

Claim 20

A method of allocating to a plurality of terminal devices channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating an empty channel in the path multiplex direction to a terminal device newly requesting connection, and allocating a channel of an empty time slot in the time axis direction to said terminal device newly requesting connection after there is no empty channel in the path multiplex direction.

Claim 21

A method of allocating to a plurality of terminal devices channels for multiple connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating an empty channel in the path multiplex direction to a terminal device newly requesting connection, and allocating a channel of an empty time slot in the time axis direction to said terminal device newly requesting connection after there is no empty channel in the path multiplex direction.

Claim 22

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said step of allocating another time slot includes the steps of allocating an empty time slot in the time axis direction to said terminal device adapted to multiple connection and newly requesting connection, and allocating an empty channel in the path multiplex direction to said terminal device adapted to multiple connection and newly requesting connection after there is no empty time slot in the time axis direction.

Claim 23

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said step of allocating another time slot includes the steps of allocating an empty time slot in the time axis direction to said terminal device adapted to multiple connection and newly requesting connection, and allocating an empty channel in the path multiplex direction to said terminal device adapted to multiple connection and newly requesting connection after there is no empty time slot in the time axis direction.

Claim 24

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said step of allocating another time slot includes the steps of allocating an empty channel in the time path multiplex direction to said terminal device adapted to multiple connection and newly requesting connection, and allocating a channel of an empty one of the time slots in the time axis direction to said terminal device adapted to multiple connection and newly respecting connection after there is no empty channel in the path multiplex direction.

Claim 25

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said step of allocating another time slot includes the steps of allocating an empty channel in the time path multiplex direction to said terminal device adapted to multiple connection and newly requesting connection, and allocating a channel of an empty one of the time slots in the time axis direction to said terminal device adapted to multiple connection and newly respecting connection after there is no empty channel in the path multiplex direction.

Claim 26

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said dedicated time slot allocated to said terminal device not adapted to multiple connection is a predetermined time slot.

Claim 27

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said dedicated time slot allocated to said terminal device not adapted to multiple connection is a predetermined time slot.

Claim 28

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said dedicated time slot allocated to said terminal device not adapted to multiple connection is a time slot that is determined appropriately.

Claim 29

A method of allocating, to a plurality of terminal devices including a terminal device adapted to multiple connection and a terminal device not adapted to multiple connection, respective ones of a plurality of channels for connection to a base station respectively in response to connection requests from said plurality of terminal devices, comprising the steps of: setting in a time axis direction a plurality of time slots, each time slot having a plurality of channels in a path multiplex direction, allocating a dedicated time slot to said terminal device not adapted to multiple connection but newly requesting connection, and allocating another time slot to said terminal device adapted to multiple connection and newly requesting connection; wherein said dedicated time slot allocated to said terminal device not adapted to multiple connection is a time slot that is determined appropriately.