Prior art

The patent in question is US12250564B2. To identify the most relevant prior art, I will examine the "Citations" section of the patent document.

Here are the prior art references cited in US12250564B2, along with their details and potential anticipation under 35 U.S.C. § 102:

1. US5073899A

• Full Citation: US5073899A - Transmission system for sending two signals simultaneously on the same communications channel
• Publication Date: 1991-12-17
• Filing Date: 1988-07-13
• Brief Description: This patent describes a transmission system that sends two signals simultaneously on the same communications channel. It focuses on signal multiplexing.
• Potential Anticipated Claim(s): This patent might be relevant to the general concept of transmitting multiple signals, which could potentially anticipate aspects of how multiple transceiver resources are utilized in US12250564B2 to satisfy bandwidth requirements. The broad scope of Claim 1, particularly "use the first wireless transceiver to transmit the first data stream to the recipient... using a subset of frequencies corresponding to only the given resources of the first identified bandwidth portion that are available for communication to thereby at least partially satisfy the first wireless bandwidth requirement of the first application," could be considered, depending on the interpretation of "simultaneously" and "same communications channel" in US5073899A.

2. US5818830A

• Full Citation: US5818830A - Method and apparatus for increasing the effective bandwidth of a digital wireless network
• Publication Date: 1998-10-06
• Filing Date: 1995-12-29
• Brief Description: This patent details a method and apparatus for increasing the effective bandwidth of a digital wireless network.
• Potential Anticipated Claim(s): This reference directly addresses increasing bandwidth in wireless networks, which is a core objective of US12250564B2. Elements of Claim 1 related to "processing bandwidth intensive data streams" and "satisfy the application layer wireless bandwidth requirement" by allocating bandwidth from transceivers could potentially be anticipated by the methods described in US5818830A.

3. US20020152305A1

• Full Citation: US20020152305A1 - Systems and methods for resource utilization analysis in information management environments
• Publication Date: 2002-10-17
• Filing Date: 2000-03-03
• Brief Description: This publication describes systems and methods for analyzing resource utilization in information management environments.
• Potential Anticipated Claim(s): The "resource monitoring interface formed in the processing interface that, during operation of the wireless networking device, feeds information regarding the bandwidth availabilities of the first and second wireless transceivers back to the at least one virtual MAC interface" in Claim 1 could potentially be anticipated by the general concept of resource utilization analysis described in this reference.

4. US20040053602A1

• Full Citation: US20040053602A1 - Low-cost interoperable wireless multi-application and messaging service
• Publication Date: 2004-03-18
• Filing Date: 2002-09-18
• Brief Description: This publication describes a low-cost, interoperable wireless multi-application and messaging service.
• Potential Anticipated Claim(s): This reference touches upon multi-application support in a wireless context, which might be relevant to the "application interface... associated with a first application... having a first wireless bandwidth requirement" in Claim 1. However, the specific virtual MAC/PHY layer and dynamic bandwidth allocation based on performance evaluation might differentiate US12250564B2.

5. US20040054766A1

• Full Citation: US20040054766A1 - Wireless resource control system
• Publication Date: 2004-03-18
• Filing Date: 2002-09-16
• Brief Description: This publication describes a wireless resource control system.
• Potential Anticipated Claim(s): This directly relates to wireless resource control, a central theme of US12250564B2. Specifically, the "processing interface... configured to... allocate at least a portion of each of the first and second actual bandwidths to virtual MAC and virtual PHY layers, and to satisfy the application layer wireless bandwidth requirement" (from the Abstract) and the detailed steps of identifying and evaluating bandwidth portions in Claim 1 could potentially be anticipated by the resource control mechanisms described in US20040054766A1.

6. US20050089064A1

• Full Citation: US20050089064A1 - Method and apparatus for bandwidth request/grant protocols in a wireless communication system
• Publication Date: 2005-04-28
• Filing Date: 1999-05-21
• Brief Description: This publication describes a method and apparatus for bandwidth request/grant protocols in a wireless communication system.
• Potential Anticipated Claim(s): The concept of managing bandwidth, including "evaluat[ing] the wireless bandwidth requirement" and allocating bandwidth to satisfy it, as seen in the Abstract and Claim 1 of US12250564B2, could find some parallel in bandwidth request/grant protocols. The mechanisms for dynamically identifying and using bandwidth portions in Claim 1 could be seen as a sophisticated form of bandwidth allocation.

7. US20050195821A1

• Full Citation: US20050195821A1 - Method and apparatus for dynamically controlling traffic in wireless station
• Publication Date: 2005-09-08
• Filing Date: 2004-03-03
• Brief Description: This publication describes a method and apparatus for dynamically controlling traffic in a wireless station.
• Potential Anticipated Claim(s): This reference directly relates to dynamic traffic control in wireless stations. The dynamic allocation of bandwidth by the processing interface in US12250564B2, including identifying and evaluating bandwidth portions based on data transfer characteristics (Claim 1), could be considered an advanced form of dynamically controlling traffic.

8. US20060114851A1

• Full Citation: US20060114851A1 - Method and apparatus for multi-channel MAC protocol using multi-tone synchronous collision resolution
• Publication Date: 2006-06-01
• Filing Date: 2004-11-30
• Brief Description: This publication describes a method and apparatus for a multi-channel MAC protocol.
• Potential Anticipated Claim(s): The use of "virtual MAC interface" in US12250564B2 and the involvement of "actual MAC interfaces" (Claim 1) might be relevant in light of a multi-channel MAC protocol. The specific way US12250564B2 allocates and uses multiple physical layer resources under a virtual MAC could potentially distinguish it, but the foundational concept of managing multiple channels at the MAC layer might be anticipated.

9. US20060140123A1

• Full Citation: US20060140123A1 - Methods and apparatus for distributing link-state information associated with a wireless mesh network
• Publication Date: 2006-06-29
• Filing Date: 2004-12-29
• Brief Description: This publication describes methods and apparatus for distributing link-state information in a wireless mesh network.
• Potential Anticipated Claim(s): While US12250564B2 focuses on a single device's internal resource management, the concept of "feeding information regarding the bandwidth availabilities... back to the at least one virtual MAC interface" (Claim 1) could be broadly related to distributing link-state information. However, the specific application within a mesh network and the nature of the information might differentiate it.

10. US20070110198A1

• Full Citation: US20070110198A1 - Variable bandwidth receiver
• Publication Date: 2007-05-17
• Filing Date: 2005-11-14
• Brief Description: This publication describes a variable bandwidth receiver.
• Potential Anticipated Claim(s): The idea of "variable bandwidth" could be seen as anticipating aspects of US12250564B2 where portions of bandwidth are identified and utilized (Claim 1). The ability to dynamically select and use subsets of frequencies implies a variable bandwidth capability.

11. US20070121573A1

• Full Citation: US20070121573A1 - Hybrid system having multiple downlink channels and a single uplink channel
• Publication Date: 2007-05-31
• Filing Date: 2005-11-25
• Brief Description: This publication describes a hybrid system with multiple downlink channels and a single uplink channel.
• Potential Anticipated Claim(s): This patent discusses multiple downlink channels, which could be related to the use of multiple wireless transceivers and the aggregation of bandwidth portions for transmission in Claim 1 of US12250564B2. The concept of utilizing specific channels for data transmission is a common theme.

12. KR20070061684A

• Full Citation: KR20070061684A - Sub-media access layer device of wireless internet system and data processing method using the same
• Publication Date: 2007-06-14
• Filing Date: 2005-12-10
• Brief Description: This publication describes a sub-media access layer device and a data processing method for a wireless internet system.
• Potential Anticipated Claim(s): The "virtual MAC interface" in US12250564B2 (Claim 1) operates above the actual MAC layer, making the concept of a "sub-media access layer" potentially relevant. The method of data processing, particularly how it interacts with the lower layers, could be an area of overlap.

13. US20070180119A1

• Full Citation: US20070180119A1 - Reliable event broadcaster with multiplexing and bandwidth control functions
• Publication Date: 2007-08-02
• Filing Date: 2006-01-31
• Brief Description: This publication describes a reliable event broadcaster with multiplexing and bandwidth control functions.
• Potential Anticipated Claim(s): The "bandwidth control functions" could anticipate the aspects of US12250564B2 that involve evaluating bandwidth requirements and allocating resources to satisfy them (Abstract, Claim 1). The multiplexing aspect might also relate to using portions of bandwidth from multiple transceivers.

14. US20070242695A1

• Full Citation: US20070242695A1 - Multiple broadcast channels for wireless networks
• Publication Date: 2007-10-18
• Filing Date: 2006-04-18
• Brief Description: This publication describes multiple broadcast channels for wireless networks.
• Potential Anticipated Claim(s): Similar to US20070121573A1, the concept of utilizing multiple channels for broadcasting could be relevant to how US12250564B2 utilizes multiple transceivers and allocates bandwidth portions (Claim 1) for data transmission.

15. US20070270121A1

• Full Citation: US20070270121A1 - Method and system for establishing a channel for a wireless video area network
• Publication Date: 2007-11-22
• Filing Date: 2006-05-18
• Brief Description: This publication describes a method and system for establishing a channel for a wireless video area network, often associated with high bandwidth needs.
• Potential Anticipated Claim(s): The focus on high-bandwidth applications like video (implied by "wireless video area network") aligns with the "bandwidth intensive data streams" in the title and abstract of US12250564B2. The establishment of channels for such a network could relate to how bandwidth portions are identified and utilized in Claim 1.

16. US20080002631A1

• Full Citation: US20080002631A1 - System and method of operation of a communication network
• Publication Date: 2008-01-03
• Filing Date: 2006-06-28
• Brief Description: This publication describes a system and method for the operation of a communication network.
• Potential Anticipated Claim(s): This is a broad claim, and depending on the specifics of the communication network operation, it could potentially anticipate the general system architecture or methods of US12250564B2. Without more details from the reference, it's hard to pinpoint specific claim elements, but the overall operational method described in Claim 1 could be implicated.

17. US20080084855A1

• Full Citation: US20080084855A1 - Upgrading mesh access points in a wireless mesh network
• Publication Date: 2008-04-10
• Filing Date: 2006-10-05
• Brief Description: This publication describes upgrading mesh access points in a wireless mesh network.
• Potential Anticipated Claim(s): While US12250564B2's Claim 1 focuses on a single networking device, the broader patent describes wireless networking systems with multiple access points (e.g., in FIGS. 7, 10A-10C). The concept of managing and upgrading access points in a mesh network could be relevant to the underlying network infrastructure where the device of Claim 1 operates.

18. US7373443B2

• Full Citation: US7373443B2 - Multiple interfaces in a storage enclosure
• Publication Date: 2008-05-13
• Filing Date: 2003-12-18
• Brief Description: This patent describes multiple interfaces in a storage enclosure.
• Potential Anticipated Claim(s): This reference deals with multiple interfaces, which is a very general concept. While US12250564B2 has multiple interfaces (application, MAC, PHY), the context of "storage enclosure" might make this less directly anticipatory of the specific wireless networking aspects of Claim 1.

19. US20090034460A1

• Full Citation: US20090034460A1 - Dynamic bandwidth allocation for multiple virtual MACs
• Publication Date: 2009-02-05
• Filing Date: 2007-07-31
• Brief Description: This publication describes dynamic bandwidth allocation for multiple virtual MACs.
• Potential Anticipated Claim(s): This reference is highly relevant as it explicitly mentions "dynamic bandwidth allocation for multiple virtual MACs." This directly anticipates the "at least one virtual MAC interface" and the "bandwidth allocator to allocate at least a portion of each of the first and second actual bandwidths to virtual MAC and virtual PHY layers" described in the abstract and further detailed in Claim 1 of US12250564B2. The specific method of evaluating data transfer characteristics and selecting bandwidth portions in Claim 1 would need to be compared against the details of US20090034460A1 to determine the extent of anticipation.

20. US20090074051A1

• Full Citation: US20090074051A1 - Method and apparatus for wireless transmission of high data rate streams
• Publication Date: 2009-03-19
• Filing Date: 2007-05-14
• Brief Description: This publication describes a method and apparatus for wireless transmission of high data rate streams.
• Potential Anticipated Claim(s): The focus on "high data rate streams" directly aligns with "bandwidth intensive data streams" in US12250564B2. The method of wireless transmission to satisfy bandwidth requirements, as described in Claim 1, could be broadly anticipated by this reference.

21. US20090141691A1

• Full Citation: US20090141691A1 - Access Point for Wireless Local Area Network
• Publication Date: 2009-06-04
• Filing Date: 2007-11-30
• Brief Description: This publication describes an access point for a wireless local area network.
• Potential Anticipated Claim(s): Claim 2 of US12250564B2 states, "The wireless networking device of claim 1, wherein the wireless networking device comprises a wireless access point." This reference describes an access point, potentially anticipating the device type. The general functionality of an access point within a wireless local area network, as described in US20090141691A1, might anticipate the foundational environment of Claim 1.

22. US20090180451A1

• Full Citation: US20090180451A1 - Apparatus for and method of coordinating transmission and reception opportunities in a communications device incorporating multiple radios
• Publication Date: 2009-07-16
• Filing Date: 2008-01-10
• Brief Description: This publication describes an apparatus and method for coordinating transmission and reception opportunities in a communications device with multiple radios.
• Potential Anticipated Claim(s): This reference is highly relevant due to its focus on coordinating transmission and reception with "multiple radios," which directly corresponds to the "first and second wireless transceivers" of Claim 1 of US12250564B2. The coordination of these radios to satisfy bandwidth requirements and optimize data transfer (as outlined in Claim 1) could be anticipated by the methods described here.

23. US20090290524A1

• Full Citation: US20090290524A1 - Method for retransmitting multicast frames and method for processing received multicast frames in wireless network
• Publication Date: 2009-11-26
• Filing Date: 2007-10-10
• Brief Description: This publication describes methods for retransmitting and processing multicast frames in a wireless network.
• Potential Anticipated Claim(s): While the specific focus is on multicast frames, the general method for processing received frames in a wireless network could be broadly relevant to the "processing interface" and "processing block" of US12250564B2 (Abstract, Claim 1). However, the specific virtual MAC/PHY layer and dynamic bandwidth allocation would likely differentiate it.

24. US7664072B1

• Full Citation: US7664072B1 - Virtual streams for QoS-driven wireless LANs
• Publication Date: 2010-02-16
• Filing Date: 2000-07-14
• Brief Description: This patent describes virtual streams for Quality of Service (QoS)-driven wireless LANs.
• Potential Anticipated Claim(s): The concept of "virtual streams" for wireless LANs, especially with a focus on QoS, could potentially anticipate the "virtual MAC interface" and the overall objective of efficiently satisfying application bandwidth requirements in Claim 1 of US12250564B2. The virtual layers in US12250564B2 serve to manage and optimize data streams, similar to how virtual streams might manage QoS.

25. US20100128630A1

• Full Citation: US20100128630A1 - Access point planning mechanism
• Publication Date: 2010-05-27
• Filing Date: 2006-07-13
• Brief Description: This publication describes an access point planning mechanism.
• Potential Anticipated Claim(s): While US12250564B2 focuses on the operational aspects of an access point, the "access point planning" could involve considerations of resource allocation and coverage, which are addressed in US12250564B2. However, the specific dynamic, real-time allocation based on performance evaluation in Claim 1 might differentiate it.

26. US7784076B2

• Full Citation: US7784076B2 - Sender-side bandwidth estimation for video transmission with receiver packet buffer
• Publication Date: 2010-08-24
• Filing Date: 2004-10-30
• Brief Description: This patent describes sender-side bandwidth estimation, particularly for video transmission with a receiver packet buffer.
• Potential Anticipated Claim(s): Bandwidth estimation, especially for data-intensive applications like video, is relevant to the "evaluat[ing] the wireless bandwidth requirement" and "evaluat[ing] the data transfer characteristics of the given resources" in Claim 1 of US12250564B2. The mechanisms for determining available bandwidth and performance are key to both patents.

27. US7797723B2

• Full Citation: US7797723B2 - Sender-side bandwidth estimation for video transmission with receiver packet buffer
• Publication Date: 2010-09-14
• Filing Date: 2004-10-30
• Brief Description: This patent is a continuation or related to US7784076B2, describing sender-side bandwidth estimation for video transmission with a receiver packet buffer.
• Potential Anticipated Claim(s): Similar to US7784076B2, this patent's focus on bandwidth estimation for video transmission (a bandwidth-intensive application) could anticipate the bandwidth evaluation and resource allocation aspects of Claim 1 of US12250564B2.

The most relevant prior art appears to be US20090034460A1 ("Dynamic bandwidth allocation for multiple virtual MACs") and US20090180451A1 ("Apparatus for and method of coordinating transmission and reception opportunities in a communications device incorporating multiple radios"), as they directly address key aspects of US12250564B2's independent Claim 1, namely virtual MACs, dynamic bandwidth allocation, and coordination of multiple radios/transceivers.