ADAPTIVE UPLINK/DOWNLINK TIMESLOT ASSIGNMENT IN A HYBRID WIRELESS TIME DIVISION MULTIPLE ACCESS/CODE DIVISION MULTIPLE ACCESS COMMUNICATION SYSTEM
First Claim
1. A method of adaptive uplink/downlink timeslot assignment, implemented in a Node-B, comprising:
- determining at least one of a potentially interfering cell which potentially interferes with a particular cell;
eliminating a timeslot for uplink communication, if a first one of the potentially interfering cells uses that timeslot for downlink communications;
eliminating a timeslot for downlink communication if a dynamic interference measurement in that timeslot as measured by most users exceeds a predetermined threshold and if a dynamic interference measurement in that timeslot does not exceed the predetermined threshold for most users but exceeds the predetermined threshold for at least one user, eliminating that timeslot for assignment to the at least one user exceeding the predetermined threshold;
assigning a timeslot to an uplink communication of the particular cell using non-uplink eliminated timeslots; and
assigning a timeslot to a downlink communication of the particular cell to each user using non-downlink eliminated timeslots with respect to that user.
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Abstract
A method of adaptive uplink/downlink timeslot assignment includes determining at least one of a potentially interfering cell which potentially interferes with a particular cell. A timeslot for uplink communication is eliminated, if a first one of the potentially interfering cells uses that timeslot for downlink communications. A timeslot for downlink communication is eliminated if a dynamic interference measurement in that timeslot as measured by most users exceeds a predetermined threshold and if a dynamic interference measurement in that timeslot does not exceed the predetermined threshold for most users but exceeds the predetermined threshold for at least one user. A timeslot is assigned to an uplink communication of the particular cell using non-uplink eliminated timeslots, and a timeslot is assigned to a downlink communication of the particular cell to each user using non-downlink eliminated timeslots with respect to that user.
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Citations
3 Claims
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1. A method of adaptive uplink/downlink timeslot assignment, implemented in a Node-B, comprising:
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determining at least one of a potentially interfering cell which potentially interferes with a particular cell; eliminating a timeslot for uplink communication, if a first one of the potentially interfering cells uses that timeslot for downlink communications; eliminating a timeslot for downlink communication if a dynamic interference measurement in that timeslot as measured by most users exceeds a predetermined threshold and if a dynamic interference measurement in that timeslot does not exceed the predetermined threshold for most users but exceeds the predetermined threshold for at least one user, eliminating that timeslot for assignment to the at least one user exceeding the predetermined threshold; assigning a timeslot to an uplink communication of the particular cell using non-uplink eliminated timeslots; and assigning a timeslot to a downlink communication of the particular cell to each user using non-downlink eliminated timeslots with respect to that user. - View Dependent Claims (2, 3)
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Specification