Method for using a base station to selectively utilize B and D channels to support a plurality of communications

• US 8,619,722 B2
• Filed: 10/26/2012
• Issued: 12/31/2013
• Est. Priority Date: 06/16/1997
• Status: Expired due to Fees

• Current Assignee: Interdigital Technology Corporation (InterDigital, Inc.)
• Original Assignee: Interdigital Technology Corporation (InterDigital, Inc.)
• Inventors: Ozluturk, Fatih M.
• Primary Examiner(s): Sheikh, Ayaz
• Assistant Examiner(s): Moutaouakil, Mounir
• Application Number:
  US13/661,535
• Publication Number:
  US 20130051370A1
• Time in Patent Office: 431 Days
• Field of Search: 370/335, 370/252, 370/253, 370/328, 370/329, 370/341, 370/342, 370/479, 455/450, 455/455, 455/522, 455/524
• US Class Current: 370/335
• 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, configured to establish communication channels of predetermined data transmission rates with a base station, transmit a communication to the base station at an initial data rate using at least one of the communication channels, and monitor the communication to the base station;

the circuit being further configured to determine an adjusted data rate desired for continued support of the communication, allocate a sufficient number of communications channels at the adjusted data rate, and dynamically add or tear down channels for transmission of the communication to the base station by changing the number of allocated channels during transmission of the communication.

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

3. The CDMA subscriber unit of claim 1 wherein the circuit is further configured to transmit the communication within the allocated channels.

4. The CDMA subscriber unit of claim 1 wherein a plurality of power commands are time multiplexed onto a channel using control signaling.

5. The CDMA subscriber unit of claim 1 wherein the antenna is configured to transmit a pilot and a message over an access channel where the pilot and message transmission are synchronized when establishing communication channels.

6. The CDMA subscriber unit of claim 1 wherein the allocation of the number of channels for the communication includes at least two channels having different data rates.

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

establishing communication channels of predetermined data transmission rates with a base station;

transmitting a communication to the base station at an initial data rate using at least one of the communication channels;

monitoring the communication with the base station and determining an adjusted data rate desired for continued support of the communication;

allocating, responsive to the monitoring, a number of communications channels at the adjusted data rate; and

dynamically adding or tearing down channels for transmission of the communication to the base station by changing the number of allocated channels during transmission of the communication.

8. The method of claim 7 wherein the transmitting continues the transmission of the communication within the allocated channels.

9. The method of claim 7 wherein a plurality of power commands are time multiplexed onto a channel using control signaling.

10. The method of claim 7 wherein the establishing communication channels transmits a pilot and a message over an access channel where the pilot and message transmissions are synchronized.

11. The method of claim 8 wherein the allocating a number of channels for the communication includes at least two channels having different data rates.

12. A wireless code division multiple access (CDMA) communication system, the system comprising:

a base station; and

a CDMA subscriber unit including;

an antenna; and

a circuit, coupled to the antenna, configured to establish communication channels of predetermined data transmission rates with a base station, transmit a communication to the base station at an initial data rate using at least one of the communication channels, and monitor the communication to the base station;

the circuit being further configured to determine an adjusted data rate desired for continued support of the communication, allocate a sufficient number of communications channels at the adjusted data rate, and dynamically add or tear down channels for transmission of the communication to the base station by changing the number of allocated channels during transmission of the communication.