Method for allocating a timeslot within a frame to a mobile entering a communications cell and base transceiver station implementing this method
First Claim
1. A method for enabling a base transceiver station to manage a set of concentric circular cells surrounding a basic cell so as to enable each mobile, of a plurality of mobiles, which enters one of said cells, to communicate with said base transceiver station, said method comprising:
- using a first downlink frame temporal structure, from said base transceiver station to said mobiles, and a first uplink frame temporal structure from said mobiles to said base transceiver station; and
, for each cell, offsetting said first uplink frame temporal structure relative to said first downlink frame temporal structure by a time-delay equal to the sum of (1) a basic offset time period between a basic downlink frame temporal structure and a basic uplink frame temporal structure of said basic cell, and (2) another offset time period dependent on the radial rank of said each cell within said set of concentric cells.
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Abstract
In a method for allocating a timeslot within a frame to a communication mobile entering a mobile radio system cell from a set of concentric cells around a basic cell managed by a base transceiver station the uplink temporal structure is offset relative to the downlink temporal structure by a time-delay equal to the sum of a basic offset between the basic downlink temporal structure and the basic uplink temporal structure of the basic cell and an offset time dependent on the rank of the cell within said set of cells.
44 Citations
32 Claims
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1. A method for enabling a base transceiver station to manage a set of concentric circular cells surrounding a basic cell so as to enable each mobile, of a plurality of mobiles, which enters one of said cells, to communicate with said base transceiver station, said method comprising:
- using a first downlink frame temporal structure, from said base transceiver station to said mobiles, and a first uplink frame temporal structure from said mobiles to said base transceiver station; and
, for each cell, offsetting said first uplink frame temporal structure relative to said first downlink frame temporal structure by a time-delay equal to the sum of (1) a basic offset time period between a basic downlink frame temporal structure and a basic uplink frame temporal structure of said basic cell, and (2) another offset time period dependent on the radial rank of said each cell within said set of concentric cells. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
- using a first downlink frame temporal structure, from said base transceiver station to said mobiles, and a first uplink frame temporal structure from said mobiles to said base transceiver station; and
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27. A base transceiver station for managing a set of concentric communication cells, said base transceiver station comprising interface means (301) to a base station controller, interface means (302) to a transmit antenna (304), and pre-amplifier means (303) for signals from a receive antenna (305);
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said base transceiver station allocating a timeslot in a frame to a mobile entering one cell of said set of concentric cells surrounding a base cell managed by said base transceiver station, communicating with each mobile present in a cell, using a downlink frame temporal structure from said base transceiver station to said mobiles and an uplink frame temporal structure from said mobiles to said base transceiver station, wherein for each cell said uplink temporal structure is offset relative to said downlink temporal structure by a time delay equal to the sum of a basic offset between said basic downlink temporal structure and said basic uplink temporal structure of said basic cell and an offset time dependent on the rank of said cell within said set of cells; wherein said base transceiver station further comprises digital management means, for each cell, for managing temporal structures corresponding to said cell, said digital management means being connected both to said interface means (301) to said base station controller, and also to power amplifier means (311,321) on an input side of said interface means (302) to said transmit antenna (304) and to said pre-amplifier means (303). - View Dependent Claims (28, 29, 30, 31, 32)
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Specification