Architecture of future open wireless architecture (OWA) radio system

• US 7,522,888 B2
• Filed: 03/29/2006
• Issued: 04/21/2009
• Est. Priority Date: 03/29/2006
• Status: Active Grant

• Current Assignee: Palo Alto Research, Inc.
• Original Assignee: Wei Lu
• Inventors: Lu, Wei
• Primary Examiner(s): Pham, Tuan A
• Application Number:
  US11/277,914
• Publication Number:
  US 20070105587A1
• Time in Patent Office: 1,119 Days
• Field of Search: 455/418, 455/419, 455/84, 455/562.1, 455/550.1, 370/469, 370/470, 370/473, 370/474, 370/477, 370/484, 370/506, 370/512
• US Class Current: 455/84
• CPC Class Codes: H04B 1/0003 Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain digital baseband systems H04L25/00; digital modulation/demodulation H04L27/00; CDMA H04B1/707; TDMA H04B7/2643; image transmission H04N5/00
• CPC Class Codes: H04B 1/406 with more than one transmission mode, e.g. analog and digital modes
• CPC Class Codes: H04W 52/288 taking into account the usage mode, e.g. hands-free, data transmission, telephone

Abstract

Architecture of future open wireless architecture (OWA) radio system supporting full integration of multi-bands, multi-standards wireless and mobile communication technologies with computer technology based on future open architecture platforms.

Claims

1. Architecture of layered open wireless architecture (OWA) system framework, said system comprising:

a) Physical layer framework including antenna array (Extensible Receivers Array and Extensible Transmitter Array), open RF transceiver, Data Converters (open ADC (analog to digital converter) and DAC (digital to analog converter)), open base-band core (Digital PHY (physical layer) and MAC (medium access control layer)), defined by OWA architecture;

b) Middle Ware layer framework including OWA device drivers, OWA real-time OS (operating system) with network protocol capability, OWA API (application programming interface), wherein said OWA API comprising the system management modules of;

a) Resource Manager optimizing OWA system resources of channel, network, radio transmission, bandwidth, capacity and antennas,

b) Spectrum Manager handling the spectrum band management on band identification, band location, spectral condition, spectrum index and band priority,

c) Power Manager utilizing the system power management and power scheduling when and how the OWA system is optimized for sleep mode, standby mode, receiving mode or transmitting mode; and

c) Application layer framework supporting the services and applications of different wireless transmission technologies, and also constructing the open service oriented architecture platform for users to define various applications upon the OWA radio system.

2. The system as recited in claim 1, wherein said Open RF Transceiver supporting multi-bands of radio frequency spectrum around 5 GHz band, 3.5 GHZ band, 2.4 GHz/2.5 GHz band, 1800 MHZ/1900 MHz band, 800 MHz/900 MHz band as well as dynamic spectrum allocation based on spectrum sharing and spectrum recycling technologies by the Spectrum Manager.

3. The systems as recited in claim 1, wherein said Open RF Transceiver and said Data Converter connecting each other by a cross network matrix to support the integration of RF transceiver and digital conversion for the future OWA radio, the boundary of digital processing should be moved as close as possible to the antenna, and for future OWA system, the typical place for said ADC and said DAC is in the said Open RF Transceiver unit.

4. The system as recited in claim 1, wherein said Digital PHY and MAC constructing the open OWA base-band processing core to process various transmission algorithms, access control protocols and resource management protocols.

5. The systems as recited in claim 1, wherein said Open RF Transceiver, said Data Converter and said Digital PHY &

MAC designed with open architecture platform based on said OWA BIOS &

Framework supporting reconfigurable, upgradeable and plug-and-play features.

6. The system as recited in claim 1, wherein said Extensible Receiver Array connecting to the proceeding OWA receiving units through Extensible I/O Interface controlled by said OWA BIOS and Framework through OWA Extensible Interface.

7. The system as recited in claim 1, wherein said Extensible Transmitter Array connecting to the other OWA transmitting units through Extensible RF Interface controlled by said OWA BIOS and Framework through OWA Extensible Interface.

8. The system as recited in claim 1, wherein said OWA Device Drivers comprising drivers for said open RF transceiver, said ADC and DAC, said open base-band core and network devices.

9. The system as recited in claim 1, wherein said OWA API comprising programming interfaces for said open RF transceiver, said ADC and DAC, said open base-band core, antenna array and spectrum allocation.