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Smart Antenna Measurement Support in Wireless Communication Systems

A wireless communication and antenna technology, applied in the field of devices for effective measurement using smart antennas

Active Publication Date: 2016-04-06
INTERDIGITAL TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In practice, however, the optimal beam for transmission may not be the same as the optimal beam for reception (especially with respect to FDD systems)

Method used

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  • Smart Antenna Measurement Support in Wireless Communication Systems
  • Smart Antenna Measurement Support in Wireless Communication Systems
  • Smart Antenna Measurement Support in Wireless Communication Systems

Examples

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Embodiment

[0048] 1. A method for performing measurements with smart antennas in a wireless communication system with several STAs, the steps of which include: sending a measurement request to a second STA by a first STA; continuously or simultaneously by the second STA transmitting at least two measurement packets to the first STA; receiving each of the measurement packets on the first STA using a different antenna beam; performing a measurement on each of the measurement packets on the first STA; An antenna beam direction is selected on a STA.

[0049] 2. The method of embodiment 1, wherein the measurement request includes several measurement packets to be transmitted.

[0050] 3. The method as in any one of the preceding embodiments, wherein the transmitting step includes waiting for interframe space between transmitting measurement packets.

[0051] 4. The method of embodiment 3, wherein the interframe space is one of a short interframe space (SIFS), less than a SIFS, and more than ...

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Abstract

A method for performing measurements with smart antennas in a wireless communication system with several STAs. First, the first STA sends a measurement request to the second STA, and at least two measurement packets are transmitted from the second STA to the first STA. Each measurement packet is received on the first STA using a different antenna beam. The first STA performs a measurement on each measurement packet, and selects an antenna beam direction according to the measurement result.

Description

[0001] The patent application of this invention is an invention with the international application number PCT / US2005 / 031655, the international application date is September 7, 2005, and the application number entering the Chinese national phase is 200580030246.2, and the name is "Smart Antenna Measurement Support in Wireless Communication Systems" A divisional application of a patent application. technical field [0002] The present invention relates to a wireless communication system, and in particular, the present invention relates to an effective measurement device and method using a smart antenna in the wireless communication system. Background technique [0003] In a wireless local area network (WLAN), access points (APs) and stations (STAs) can be equipped with smart antennas, for example, multiple beam / directional antenna systems. Both the AP and the STA need to perform measurements to determine the best beam to transmit to or receive from another STA, STAs with multi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B7/04H04B7/06H04B7/08H04B17/24H04B17/318
CPCH04B7/0619H04B7/0695H04B7/088H04B17/24H04B17/318H04B17/336H04B7/0408H01Q3/42H04W24/10H04B17/10H04B7/0632H04L5/14H04W24/08H04W84/12
Inventor 安娜·L·宾海若亚蒂·钱德拉车尹赫保罗·马里内尔文森·罗伊
Owner INTERDIGITAL TECH CORP
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