Method and apparatus providing spatial diversity within an indoor network
AssigneeTexas Instruments Incorporated
InventorCarl M. Panasik
Life of this patent
Estimating the term…
Abstract
A method and architecture that provides network level spatial diversity using multiple indoor access points (70) has a transceiver coupled to each wireless computing device on the network. Signals from each wireless computing device are transmitted to more than one access point on the network. The signal is sampled and aligned to permit calculation of amplitude and phase values at each point as a function of time. The phase and amplitude data are stored and used to create a vector matrix associated with the specific computing device which can be continuously updated as the computing device is moved from one location to another within the network environment.
Claims11
A method of determining the spatial distinctiveness of a plurality of computing devices within a wireless networked environment comprising the steps of:
- transmitting a signal from at least one of said computing devices to a group of access points on the network;
- converting the signal from an analog to a digital equivalent using over-sampling to obtain a plurality of vector data, at each access point within the group;
- and
- combining the vector data into a vector matrix, said vector matrix containing a plurality of amplitude and phase versus time data associated with at least one of said computing devices so that the spatial location of said computing device in said network environment may be determined.
A wireless network with network level spatial diversity comprising:
- a network backbone having a network interface with a network server;
- a plurality of access points coupled to said backbone;
- at least one computing device in wireless communications with said network server through more than one of said access points;
- wherein said access points are configured to provide the spatial diversity of said computing device within the network environment spanned by said access points;
- and
- wherein each one of said plurality of access points further comprise:
- an encoder having an output terminal coupled to said network backbone and an input terminal;
- an Analog-to-Digital Conversion (ADC) circuit having an output terminal coupled to said input terminal of said encoder, said ADC conversion circuit further having an analog input;
- and
- a transceiver means coupled to said analog input of said ADC conversion circuit.
Dependencies are inferred from the claim text.