METHOD FOR USING A BASE STATION TO SELECTIVELY UTILIZE B AND D CHANNELS TO SUPPORT A PLURALITY OF COMMUNICATIONS

• US 20080159201A1
• Filed: 03/14/2008
• Published: 07/03/2008
• Est. Priority Date: 06/16/1997
• Status: Active Grant

• Current Assignee: Interdigital Technology Corporation (InterDigital, Inc.)
• Original Assignee: Interdigital Technology Corporation (InterDigital, Inc.)
• Inventors: Ozluturk, Fatih M.
• Granted Patent: US 8,054,916 B2
• Time in Patent Office: Days
• US Class Current: 370/318
• CPC Class Codes: H04B 1/707 using direct sequence modulation
• CPC Class Codes: H04B 2201/70703 using multiple or variable rates
• CPC Class Codes: H04B 7/2628 using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] H04B7/2618 takes precedence
• CPC Class Codes: H04J 13/16 Code allocation
• CPC Class Codes: H04J 3/16 in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted H04J3/17, H04J3/24 take precedence
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• CPC Class Codes: H04Q 11/0435 Details
• CPC Class Codes: H04Q 2213/1307 Call setup
• CPC Class Codes: H04Q 2213/13098 Mobile subscriber
• CPC Class Codes: H04Q 2213/13174 Data transmission, file transfer
• CPC Class Codes: H04Q 2213/13204 Protocols
• CPC Class Codes: H04Q 2213/13208 Inverse multiplexing, channel bonding, e.g. TSSI aspects
• CPC Class Codes: H04Q 2213/13209 ISDN
• CPC Class Codes: H04Q 2213/13294 CDMA, code division multiplexing, i.e. combinations of H04Q2213/13291 and/or H04Q2213/13292 with space division
• CPC Class Codes: H04Q 2213/13332 Broadband, CATV, dynamic bandwidth allocation
• CPC Class Codes: H04W 24/00 Supervisory, monitoring or testing arrangements
• CPC Class Codes: H04W 28/22 Negotiating communication rate
• CPC Class Codes: H04W 36/06 Reselecting a communication resource in the serving access point
• CPC Class Codes: H04W 52/267 taking into account the information rate
• CPC Class Codes: H04W 52/42 in systems with time, space, frequency or polarisation diversity
• CPC Class Codes: H04W 72/044 : based on the type of the allocated resource
• CPC Class Codes: H04W 72/0453 : Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/20 : Control channels or signalling for resource management
• CPC Class Codes: H04W 76/10 : Connection setup
• CPC Class Codes: H04W 76/30 : Connection release
• CPC Class Codes: H04W 84/14 : WLL [Wireless Local Loop]; RLL [Radio Local Loop]
• CPC Class Codes: H04W 88/02 : Terminal devices
• CPC Class Codes: H04W 88/08 : Access point devices

Abstract

A method for using a wireless digital base station to receive, process and transmit a plurality of communications having independent data rates establishing a first communication channel having a first data communication rate to support a first communication; determining the data rate required to support the first communication; selecting one or more transmission channels, from a plurality of available transmission channels, required to support said required data rate; and transmitting the first communication using one or more selected transmission channels. The plurality of available transmission channels includes at least one B or D channel.

Claims

1. A code division multiple access (CDMA) subscriber unit comprising:

an antenna; and

a circuit coupled to the antenna, the circuit being configured to provide a first signal to the antenna which is communicated to a base station over a first channel at a first data rate, the circuit being configured to generate a second signal which is communicated to the base station, wherein, in response to the second signal, a second channel is established between the CDMA subscriber unit and the base station, the circuit being configured to provide a third signal to the antenna which is communicated to the base station over the second channel at a second data rate different than the first data rate,

wherein the antenna is configured to receive power control information which is time division multiplexed onto a physical channel with signaling information, the circuit being configured to adjust a power level associated with at least one of the first and second channels in accordance with the power control information.

2. The CDMA subscriber unit of claim 1, wherein the CDMA subscriber unit is configured to receive two calls simultaneously.

3. The CDMA subscriber unit of claim 1, further including a digital signal processor.

4. The CDMA subscriber unit of claim 1, further including a CODEC circuit.

5. The CDMA subscriber unit of claim 3, further including a filter circuit.

6. A method for use in a code division multiple access (CDMA) subscriber unit, the method comprising:

transmitting a first signal to a base station over a first channel at a first data rate;

generating a second signal, wherein, in response to the second signal, a second channel is established between the CDMA subscriber unit and the base station;

transmitting a third signal to the base station over the second channel at a second data rate different than the first data rate;

receiving power control information which is time division multiplexed onto a physical channel with signaling information; and

adjusting a power level associated with at least one of the first and second channels in accordance with the power control information.

7. The method of claim 6, further comprising receiving two call simultaneously.