Access and backoff mechanism
First Claim
1. A method for controlling user equipment access to a channel in a communication system, the method comprising:
- transmitting on a periodic basis having a first transmission rate from a base station access control signals;
transmitting from the base station access control modification signals at a second transmission rate higher than the first transmission rate;
transmitting from the user equipment an access attempt signal, the access attempt signal requesting the base station to permit the user equipment access to the channel;
receiving at the user equipment the transmitted access control signals and access control modification signals;
determining a wait period based on in part the received access control signals and access control modification signals; and
in response to an unsuccessful access attempt to the channel, the user equipment delays transmitting a subsequent access attempt signal for the wait period.
1 Assignment
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Accused Products
Abstract
A base station transmits access control signals on a periodic basis having a first transmission rate. The base station transmits access control modification signals at a second transmission rate higher than the first transmission rate. The user equipment transmits an access attempt signal. The access attempt signal requests the base station to permit the user equipment access to the channel. The user equipment receives the transmitted access control signals and access modification signals. A wait period is determined based on in part the received access control signals and access control modification signals. In response to an unsuccessful access attempt, the user equipment delays transmitting a subsequent access attempt signal for the wait period.
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Citations
21 Claims
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1. A method for controlling user equipment access to a channel in a communication system, the method comprising:
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transmitting on a periodic basis having a first transmission rate from a base station access control signals;
transmitting from the base station access control modification signals at a second transmission rate higher than the first transmission rate;
transmitting from the user equipment an access attempt signal, the access attempt signal requesting the base station to permit the user equipment access to the channel;
receiving at the user equipment the transmitted access control signals and access control modification signals;
determining a wait period based on in part the received access control signals and access control modification signals; and
in response to an unsuccessful access attempt to the channel, the user equipment delays transmitting a subsequent access attempt signal for the wait period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A communication system comprising:
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a base station having;
means for transmitting on a period basis having a first transmission rate access control signals; and
means for transmitting access control modification signals at a second transmission rate higher than the first transmission rate; and
a user equipment having;
means for transmitting an access attempt signal, the access attempt signal requesting the base station to permit the user equipment access to a channel;
means for receiving the transmitted access control signals and access control modification signals;
means for determining a wait period based on in part the received access control signals and access control modification signals; and
means for delaying transmission of a subsequent access attempt signal for the wait period in response to an unsuccessful access attempt to the channel. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A user equipment for use in a communication system, the user equipment comprising:
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a transmitter for transmitting an access attempt signal and data packets over a channel, the access attempt signal requests a base station to permit the user equipment access to the channel;
a receiver for receiving access control signals and access control modification signals transmitted from the base station; and
a controller operatively coupled to the receiver and transmitter, the controller for determining a wait period based on in part the received access control signals and access control modification signals and for delaying transmission of a subsequent access attempt signal for the wait period in response to an unsuccessful access attempt to the channel. - View Dependent Claims (17, 18, 19, 20, 21)
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Specification