Inventor

SHI QICAI

US52 patents

⚠️ This page may combine multiple inventors who share the name “SHI QICAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHI QICAI

MOTOROLA INC

Intra-piconet location determination and tomography

Protocol and structure for self-organizing network

Procedures for merging the mediation device protocol with a network layer protocol

Method and apparatus for synchronizing a DS-CDMA receiver

Method and system for determining a location using a plurality of selected initial location estimates

System for spread spectrum communication

Communications system employing differential orthogonal modulation

Wireless network with improved sharing of high power consumption tasks

Decentralized wireless communication network and method having a plurality of devices

Method and apparatus for determining the location of a node in a wireless system

Method for estimating the location of a wireless device in a communication network

Reduced order model node location method for multi-hop networks

Method and system for determining a location of a plurality of units using sub-divided unit groupings

Method and apparatus for determining the location of a node in a wireless title system

Multi-mode receiver for frequency error mitigation

Method and apparatus employing a mediation device to facilitate communication among devices in an asynchronous communications network

System and method for updating location information for distributed communication devices

Method and apparatus for a node to determine a proper duty cycle within an ad-hoc network

Media access control and distributed data processing using mediation devices in an asynchronous network

Method and apparatus for determining the location of a unit using neighbor lists

Method and apparatus for operating an AD-HOC communication system

Method and apparatus for locating a remote unit

System for code division multi-access communication

Low cost DSSS communication system

Method for rigid body discovery and peer-to-peer ranging in a scatternet and communications node

Method and apparatus for operating a node in a beacon based ad hoc network

Method and apparatus for determining the location of a node in a wireless system

Low cost DSSS communication system

DS-CDMA system with high resolution timing

Quality of service (QOS) control mechanisms using mediation devices in an asynchronous network

AMAZON TECH INC

Magnetic entry portal identification system

System to determine a change in weight at a load cell

Location estimation using array of capacitive sensors

Entry portal identification system

Capacitive sensor system

System to process load cell data using door sensor data

System to process load cell data

System to mitigate effects of vibration on load cell

System to validate load cell data

User identification system using directional antennas and cameras

System to determine portable device presence at a portal

System to determine effects of vibration on weight data for a fixture

System to detect event at an inventory location

MOTOROLA SOLUTIONS INC

Method and apparatus for in-channel interference cancellation

Methods and systems for embedding supplementary data channel in LTE-based communication systems

SHI QICAI

Method and apparatus for out-of-channel emission suppression

Signal detection in cognitive radio systems

KYPEROUNTAS SPYROS

Targeted group scaling for enhanced distributed spectrum sensing

Method and apparatus for in-channel interference cancellation

YE ZHUAN

Dynamic allocation of spectrum sensing resources in cognitive radio networks