Multi-band operation for wireless lan systems

A multi-band and frequency band technology, applied in radio transmission systems, transmission systems, wireless communications and other directions, can solve problems such as low efficiency

Inactive Publication Date: 2015-11-11
INTERDIGITAL PATENT HLDG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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However, existing techniques for mul

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  • Multi-band operation for wireless lan systems
  • Multi-band operation for wireless lan systems
  • Multi-band operation for wireless lan systems

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[0021] The detailed description may now be described with reference to the various figures. While this description provides specific examples of possible implementations, it should be noted that the specific examples are exemplary and do not limit the scope of the application in any way.

[0022] Infrastructure A WLAN in Basic Service Set (BSS) mode may include an access point (AP) for the Basic Service Set (BSS) and one or more stations (STA) associated with the AP. APs may include access and / or interfaces to a distribution system (DS). APs may include types of wired / wireless networks that can carry traffic to / from the BSS. Traffic to STAs may originate outside of the BBS, may arrive through APs, and / or may be delivered to STAs. Traffic originating from STAs directed to destinations outside the BSS may be sent to the AP for delivery to various destinations. The service between STAs in the BSS can also be sent through the AP. The source STA can send traffic to the AP. The...

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Abstract

Systems, methods, and instrumentalities are provided to implement transmission scheduling. A multiband device may send a request via a first frequency band. The request may include a multiband Request to Send (MRTS) transmission. The request may be associated with a second frequency band and/or a heamforming training schedule. The first frequency band may be associated with a quasi-omni transmission and the second frequency band may be associated wiih a directional transmission. The first frequency band may be a 5 GHz band and the second frequency band may be a 60 GHz band. The multiband device may receive a multiband Clear to Send (MCTS) transmission via the first frequency band confirming the request. The multiband device may be configured to send a beamforming signal in accordance with the request, for example, via the second frequency band. The beamforming signal may be sent in accordance with a beamforming training schedule.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Patent Application 61 / 788,556, filed March 15, 2013, the contents of which are hereby incorporated by reference. Background technique [0003] As the demand for higher bandwidth in wireless local area networks (WLANs) grows, developments in WLANs may support devices with multiple frequency channels, channel bandwidths, and the like. Devices with multiple radio bands may offer different but complementary characteristics in terms of coverage and throughput. However, existing techniques for multi-band operation can be inefficient. Contents of the invention [0004] Systems, methods, and means are provided to implement transmission scheduling. The multi-band device may send the request via the first frequency band. The request may be associated with a second frequency band. The request may include a Multiband Request to Send (MRTS) transmission. The request may be ...

Claims

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W74/0816H04W84/12H04W88/06H04B7/0695H04W72/21H04B7/0617H04W88/08
Inventor H·娄M·高希X·王R·L·奥勒森
Owner INTERDIGITAL PATENT HLDG INC
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