Method and system for data and voice transmission over shared and dedicated channels

An apparatus for transmitting first and second signals in a code division multiple access system, comprising:

• a transmitter configured to:
• provide a plurality of frames of data for different users in said second signal;
• provide in said first signal access information for accessing relevant frames from said plurality of frames by each of said users, the access information comprising spreading factor information;
• provide first and second coded downlink channels, said second coded downlink channel being a shared channel by said users;
• transmit said first signal via said first coded downlink channel;
• delay a start of said second signal on the second coded downlink channel by a delay sufficient for the spreading factor information to be extracted from a portion of said first signal by a receiving device prior to reception of a first data frame of said second signal, the spreading factor information being associated with the first data frame of the second signal, to avoid chip level signal buffering by the receiving device;
• encode the second signal after the delaying;
• and
• wherein said transmitter is further configured to transmit said encoded second signal via said second coded downlink channel after said delay so that a first frame of data of said plurality of frames is transmitted on the second coded downlink channel after access information corresponding to said first frame of data is transmitted on the first coded downlink channel.

A transmitter for transmitting a plurality of frames of data, the transmitter configured to receive input from a plurality of users and allocate and schedule access to communication channels among the plurality of users, comprising:

• a symbol-level buffer configured to create a delay between a first and a second signal contained within the input of at least one of the plurality of users, wherein the first signal comprises access information for accessing relevant frames of data from the plurality of frames of data, the access information comprising spreading factor information, and wherein said delay is sufficient for the spreading factor information to be extracted from a portion of said first signal by a receiving device prior to reception of a first data frame of said second signal, the spreading factor information being associated with the first data frame of the second signal, to avoid chip level signal buffering by the receiving device;
• an encoder directly coupled to the symbol-level buffer for encoding the first signal and for encoding the second signal after the delay between the first signal and the second signal;
• a Walsh cover coupled to the encoder that spreads the first and second signals with selected Walsh codes;
• and
• an air interface coupled to the Walsh cover for transmitting said first signal via a first downlink channel and said encoded second signal via a second downlink channel, wherein said second signal is transmitted via the second downlink channel after said delay, so that a first frame of data of said plurality of frames is transmitted on the second coded downlink channel after access information corresponding to said first frame of data is transmitted on the first coded downlink channel.

A method for transmitting first and second signals in a code division multiple access system, comprising:

• providing a plurality of frames of data for different users in said second signal;
• providing in said first signal access information for accessing relevant frames from said plurality of frames by each of said users, the access information comprising spreading factor information;
• providing first and second coded downlink channels, said second coded downlink channel being a shared channel by said users;
• transmitting said first signal via said first coded downlink channel;
• delaying a start of said second signal on the second coded downlink channel by a delay using a delay module, wherein the delay is sufficient for the spreading factor information to be extracted from a portion of said first signal prior to reception of a first data frame of said second signal by a receiving device, the spreading factor information being associated with the first data frame of said second signal, wherein the portion of said first signal includes information for accessing the first data frame of said second signal;
• encoding the second signal after the delaying;
• and
• transmitting said encoded second signal via said second coded channel after said delay so that a first frame of data of said plurality of frames is transmitted on the second coded downlink channel after access information corresponding to said first frame of data is transmitted on the first coded downlink channel.

An apparatus for transmitting first and second signals in a code division multiple access system, comprising a transmitter configured to:

• provide a plurality of frames of data for different users in said second signal;
• provide in said first signal access information for accessing relevant frames from said plurality of frames by each of said users, the access information comprising spreading factor information;
• provide first and second coded downlink channels, said second coded downlink channel being a shared channel by said users;
• transmit said first signal via said first coded downlink channel;
• delay a start of said second signal on the second coded downlink channel by a delay using a delay module, wherein the delay is sufficient for the spreading factor information to be extracted from a portion of said first signal prior to reception of a first data frame of said second signal by a receiving device, the spreading factor information being associated with the first data frame of said second signal, wherein the portion of said first signal includes information for accessing the first data frame of said second signal;
• encode the second signal after the delaying;
• and
• transmit said encoded second signal via said second coded channel after said delay so that a first frame of data of said plurality of frames is transmitted on the second coded downlink channel after access information corresponding to said first frame of data is transmitted on the first coded downlink channel.

A transmitter for transmitting a plurality of frames of data, the transmitter configured to receive input from a plurality of users and allocate and schedule access to communication channels among the plurality of users, comprising:

• a symbol-level buffer that creates a delay between a first and a second signal contained within the input of at least one of the plurality of users, wherein the first signal comprises access information for accessing relevant frames of data from the plurality of frames of data, the access information comprising spreading factor information, and wherein said delay is sufficient for the spreading factor information to be extracted from a portion of said first signal prior to reception of a first data frame of said second signal by a receiving device, the spreading factor information being associated with the first data frame of said second signal, wherein the portion of said first signal includes information for accessing the first data frame of said second signal;
• an encoder directly coupled to the symbol-level buffer for encoding the first signal and for encoding the second signal after the delay between the first signal and the second signal;
• a Walsh cover coupled to the encoder that spreads the first and second signals with selected Walsh codes;
• and
• an air interface coupled to the Walsh cover for transmitting said first signal via a first downlink channel and said encoded second signal via a second downlink channel, wherein said second signal is transmitted via the second downlink channel after said delay, so that a first frame of data of said plurality of frames is transmitted on the second coded downlink channel after access information corresponding to said first frame of data is transmitted on the first coded downlink channel.