MIMO WLAN system

JR Walton, MS Wallace, JW Ketchum… - US Patent …, 2012 - Google Patents
US PATENT DOCUMENTS nals, fast acknowledgment, and quick resource assignments.
Calibration may be performed to account for differences in the frequency responses of …

High speed media access control

S Nanda, A Meylan, JR Walton - US Patent 8,483,105, 2013 - Google Patents
Embodiments disclosed herein for MAC processing for effi cient use of high throughput
systems and that may be back ward compatible with various types of legacy systems. In one …

High speed media access control with legacy system interoperability

JR Walton, JW Ketchum, S Nanda - US Patent 8,842,657, 2014 - Google Patents
Primary Examiner—Chandrahas Patel (74) Attorney, Agent, or Firm–QUALCOMM IP
Department; James Hunt Yancey, Jr. provisional application No. 60/586,841, filed on Jul. 8 …

Pilots for MIMO communication system

JW Ketchum, MS Wallace, JR Walton… - US Patent …, 2011 - Google Patents
Pilots suitable for use in MIMO systems and capable of supporting various functions are
described. The various types of pilot include—a beacon pilot, a MIMO pilot, a steered …

MIMO system with multiple spatial multiplexing modes

JR Walton, JW Ketchum, MS Wallace… - US Patent …, 2012 - Google Patents
A MIMO system supports multiple spatial multiplexing modes for improved performance and
greater flexibility. These modes may include (1) a single-user steered mode that transmits …

High speed media access control and direct link protocol

JR Walton, S Nanda - US Patent 8,233,462, 2012 - Google Patents
Techniques for MAC processing for efficient use of high throughput systems that may be
backward compatible with various types of legacy systems are disclosed. In one aspect, a …

Closed-loop rate control for a multi-channel communication system

JR Walton, MS Wallace, JW Ketchum… - US Patent …, 2012 - Google Patents
Closed-loop rate control for data transmission on multiple parallel channels is provided. An
inner loop estimates the channel conditions for a communication link and selects a suitable …

Mimo wlan system

JR Walton, MS Wallace, JW Ketchum… - US Patent …, 2013 - Google Patents
(57) ABSTRACT A multiple-access MIMO WLAN system that employs MIMO, OFDM, and
TDD. The system (1) uses a channel structure With a number of con? gurable transport …

Method and apparatus for providing an efficient control channel structure in a wireless communication system

JR Walton, JW Ketchum - US Patent 9,473,269, 2016 - Google Patents
US9473269B2 - Method and apparatus for providing an efficient control channel structure in a
wireless communication system - Google Patents US9473269B2 - Method and apparatus for …

Wireless communication method and apparatus for selecting between transmission of short-version and full-version uplink scheduling requests

G Zhang - US Patent 8,477,695, 2013 - Google Patents
In a wireless communication system including a wireless transmit/receive unit (WTRU) and a
Node-B, an uplink (UL) scheduling request is transmitted by the WTRU to the Node-B when …