Dynamic reverse activity bit offset adjustment based on RF conditions
AssigneeSprint Spectrum L.P.
InventorSachin R. Vargantwar
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Abstract
A method and system is disclosed for dynamic reverse activity bit (RAB) offset adjustment based on RF conditions. A base station controller (BSC) or radio node controller (RNC) or similar network device will determine a rate of decrease of aggregate reverse-link noise measured at a sector, and from the decrease rate the BSC will further determine an amount of time needed for the sector to detect the aggregate reverse-link noise to cross below a threshold level. The BSC will then set a RAB offset for the sector to be at least as large as the determined amount of time.
Claims22
In a device configured to control a plurality of wireless coverage areas of a wireless communication system, the plurality including at least a first wireless coverage area and a second wireless coverage area, a method comprising:
- at the device, determining that the first wireless coverage area has transmitted a first noise-indication message configured to instruct a first group of access terminals to reduce their respective contributions to a first aggregate reverse-link noise power detected by the first wireless coverage area;
- at the device, determining a rate of reduction of a second aggregate reverse-link noise power detected by the second wireless coverage area from a second group of access terminals after the first wireless coverage area has transmitted the first noise-indication message;
- and
- at the device, based at least on the determined rate of reduction, dynamically setting a relative time offset from transmission of the first noise-indication message from the first wireless coverage area to a subsequent transmission time for a second transmission of a second noise-indication message from the second wireless coverage area,
- whereby the second wireless coverage area will be caused to transmit the second noise-indication message at the subsequent transmission time.
A device configured to control a plurality of wireless coverage areas of a wireless communication system, wherein the plurality includes at least a first wireless coverage area and a second wireless coverage area, the device comprising:
- one or more processors;
- memory accessible by the one or more processors;
- and
- computer-readable instructions stored in the memory that upon execution by the one or more processors cause the device to carry out functions including:
- determining that the first wireless coverage area has transmitted a first noise-indication message configured to instruct a first group of access terminals to reduce their respective contributions to a first aggregate reverse-link noise power detected by the first wireless coverage area;
- determining a rate of reduction of a second aggregate reverse-link noise power detected by the second wireless coverage area from a second group of access terminals after the first wireless coverage area has transmitted the first noise-indication message;
- and
- based at least on the determined rate of reduction, dynamically setting a relative time offset from transmission of the first noise-indication message from the first wireless coverage area to a subsequent transmission time for a second transmission of a second noise-indication message from the second wireless coverage area,
- whereby the second wireless coverage area will be caused to transmit the second noise-indication message at the subsequent transmission time.
A non-transient computer-readable medium having stored thereon computer-executable instructions that, if executed by a processor of a device configured to control a plurality of wireless coverage areas of a wireless communication system, wherein the plurality includes at least a first wireless coverage area and a second wireless coverage area, cause the device to perform functions comprising:
- determining a rate of reduction of a second aggregate reverse-link noise power detected by the second wireless coverage area from a second group of access terminals after the first wireless coverage area has transmitted the first noise-indication message;
- and
- based at least on the determined rate of reduction, dynamically setting a relative time offset from transmission of the first noise-indication message from the first wireless coverage area to a subsequent transmission time for a second transmission of a second noise-indication message from the second wireless coverage area,
- whereby the second wireless coverage area will be caused to transmit the second noise-indication message at the subsequent transmission time.
Dependencies are inferred from the claim text.