Network Topologies TRIZ Cases

Timing data from mobile devices eliminates asynchronous offsets to determine femtocell location without GPS.

A station derives security keys in advance to re-associate between access points using different association and key management protocols.

A first wireless device generates channel estimations and correction metrics to compensate for timing errors in a second device.

Access point schedules uplink multi-user transmission via virtual channel allocation on overlapped time resources.

RAN schedules mobile devices to transmit reverse-link control signals in separate time slots.

SNAV-A frames allocate contention-free periods to prevent frame collisions between WLAN and Bluetooth systems.

A communication system calculates expected power attenuation to determine optimal repeater locations based on site configuration and device distribution.

Segmenting routing information via intermediate gateways reduces false positives and power consumption in large wireless mesh networks.

Segmenting wide channels via RTS and CTS frames reduces interframe collisions while adapting to terminal bandwidth limits.

An image forming apparatus links dynamic and static IP addresses to execute application programs through peer-to-peer wireless connections.

A portable relay device receives and re-formats audio video signals for wireless transmission to mobile playback units.

An extended RTS/CTS protocol enables access points to preempt pending transmissions via physical layer signaling.

Intelligent access devices ping members to maintain closed user group connectivity.

Radio transceivers beam data across windows to bypass roof access requirements, eliminating installation complexity and structural modifications.

Integrated sensors on a mobile cart capture comprehensive floor data, resolving the trade-off between inspection accuracy and manual operational effort.

Dynamic path distribution prevents loop issues and dropped packets while maintaining high throughput in mesh networks.

A base station receiver filters aerial signals to create a replica that cancels interference in terrestrial beams.

A bus node controller detects voltage drops across identification resistors to automatically assign unique addresses during system initialization.

A wireless routing mechanism uses management frames with information elements to establish flexible network topologies.

A network device associates client MAC addresses with unique pre-shared keys in a database for authentication.

Station sets network allocation vector idle during designated OFDMA random access contention period to enable channel access.

Interconnect system extracts metrics from administrative messaging sessions to evaluate technical performance and reduce latency issues.

User equipment manages multiple non-access stratum count pairs across distinct public land mobile networks to maintain valid security contexts.

Timer-triggered recovery procedures prevent radio resource control state mismatches between user equipment and multiple public land mobile networks.

A smartphone activates its access point function only after receiving a Bluetooth Low Energy notification from a printer.

A vehicle radio device detects mobile apparatus presence time periods to establish wireless communication links automatically.

Type of Protection values embedded in mesh headers control node routing to prevent internal attacks and selective forwarding.

Passive collection of Wi-Fi fingerprints linked to user addresses eliminates manual war driving, reducing deployment costs while maintaining position accuracy.

A design maintenance tool transmits wireless channel data to a server that calculates game progress values and displays them on the device screen.

A non-seamless wireless local area network offload function manages user equipment context to enable network-initiated reauthentication procedures.

Layered abstraction decouples IoT applications from specific devices through capability binding.

A proximity-based system pairs a primary device with an assistive display to port user interface data automatically.

Positioning techniques determine access point coordinates to establish a topology map, resolving hand-off delays and signal interference in mesh networks.

A network element identifies device categories via exchanged data packets to determine the authentication order.

A deterministic cluster routing method allocates sensor nodes into constant clusters using location-based calculations to optimize communication paths.

A controller assesses Wi-Fi channel quality during an active Bluetooth connection to prepare for network switching.

LTE trunking system switches to fail soft mode using SIB messages to maintain emergency group calling when T1 link fails.

Automated radio map production selects valid sensing data from multiple terminals using similarity metrics to generate accurate indoor location fingerprints.

Microcontroller coordinates bidirectional signal conversion between serial and Ethernet interfaces on a single printed circuit board.

A set-top box decodes emergency alert data and transmits warning signals via a wireless local area network to connected mobile devices.

A channel sounding method uses repeated OFDM symbols in Null Data Packets to enable efficient channel estimation.

Conference server publishes presence updates to the presence server, eliminating manual participant synchronization.

Router advertisements from multiple anchors enable a UE to steer traffic based on preference values, maintaining service continuity during mobility.

Extended range request-to-send packets reserve channels to prevent frame collisions from non-extended range devices.