Pre-data power control common packet channel

A spread-spectrum wireless base station, the base station being assigned a set of possible coded preamble signals for use in spread-spectrum communications, the base station comprising:

• a spread-spectrum transmitter;
• a spread-spectrum receiver;
• and
• a controller coupled to the spread-spectrum receiver for responding to received signals and coupled for control of the spread-spectrum transmitter, such that in operation the spread-spectrum base station:
• receives over an uplink channel from a remote station a detectable access burst comprising one of the possible coded preamble signals assigned to the base station selected by the remote station;
• sends a coded acknowledgement signal over a control channel, the coded acknowledgement signal corresponding to the received coded preamble signal;
• receives power control signals over the uplink channel from the remote station;
• sends power control signals over the control channel to the remote station based on the received power control signals;
• receives power control signals and data, over the uplink channel, from the remote station;
• and
• transmits signals intended for the remote station at power levels based on the received power control signals.

A spread-spectrum wireless mobile station, comprising:

• a spread-spectrum transmitter;
• a spread-spectrum receiver;
• and
• a controller coupled to the spread-spectrum receiver for responding to received signals and coupled for controlling the spread-spectrum transmitter, such that in operation the wireless mobile station:
• receives a frame-timing signal from a spread-spectrum base station over a broadcast common synchronization channel having a common chip-sequence signal;
• determines frame timing from the received frame-timing signal;
• transmits an access burst signal over an uplink channel, in a time slot selected from a plurality of time slots having predefined relationships to the determined frame timing;
• receives an acknowledgement signal corresponding to the access burst signal, from the base station;
• receives power control signals and data from the base station;
• and
• transmits power control signals and packet data to the base station over the uplink channel at power levels based on the received power control signals,
• wherein at least the transmission of the packet data is responsive to receipt of the acknowledgement signal.

A base band processor for use in a spread-spectrum wireless base station, the base station being assigned a set of possible coded preamble signals for use in spread-spectrum communications, comprising:

• a preamble processor, for detecting a preamble in received spread-spectrum signals;
• a data and control processor, for detecting and processing data and control information contained in the received spread-spectrum signals;
• an encoder, for encoding data;
• an interleaver, coupled to the encoder, for interleaving encoded data;
• a packet formatter, coupled to the interleaver, for formatting any of the interleaved encoded data, signaling, acknowledgment signal, collision detection signal, pilot signal and transmission power control signal into a packet;
• and
• a controller coupled to the preamble processor, the data and control processor and to the packet formatter for controlling the preamble processor, the data and control processor and the packet formatter, such that in operation the base band processor is for performing the following steps:
• receiving over an uplink channel from a remote station a detectable access burst comprising one the possible coded preamble signals assigned to the base station selected by the remote station;
• sending a coded acknowledgement signal over a control channel, the coded acknowledgement signal corresponding to the received coded preamble signal;
• receiving power control signals over the uplink channel from the remote station;
• sending power control signals over the control channel to the remote station based on the received power control signals;
• receiving power control signals and data, over the uplink channel, from the remote station;
• and
• transmitting signals intended for the remote station at power levels based on the received power control signals.

A base band processor for use in a spread-spectrum wireless remote station, comprising:

• an acknowledgment detector for detecting an acknowledgment in received spread-spectrum signals;
• a data and control processor, for detecting and processing data and control information contained in the received spread-spectrum signals;
• a encoder, for encoding data;
• an interleaver, coupled to the encoder, for interleaving encoded data;
• a preamble generator for generating coded preamble signals;
• a multiplexer, coupled to the interleaver and to the preamble generator, for multiplexing the interleaved data and the coded preamble signals;
• a packet formatter, coupled to the multiplexer, for formatting the multiplexed data and the coded preamble signals into packets;
• and
• a controller coupled to the acknowledgment detector and to the packet formatter for controlling the preamble generator, the multiplexer and the packet formatter, such that in operation the base band processor is for performing the following steps:
• receiving a frame-timing signal from a spread-spectrum base station over a broadcast common synchronization channel having a common chip-sequence signal;
• determining frame timing from the received frame-timing signal;
• transmitting an access burst signal over an uplink channel, in a time slot selected from a plurality of time slots having predefined relationships to the determined frame timing;
• receiving an acknowledgement signal corresponding to the access burst signal, from the base station;
• receiving power control signals and data from the base station;
• and
• transmitting power control signals and packet data to the base station over the uplink channel at power levels based on the received power control signals,
• wherein at least the transmitting of the packet data is responsive to receipt of the acknowledgement signal.