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Method for spacial multiplex establishment by direct link, work station and control access point apparatus

A technology for controlling access points and spatial multiplexing, which is applied in the field of communication

Active Publication Date: 2012-01-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] After the existing 802.11 protocol establishes DLS between STAs, when using HCCA (HCF Controlled Channel Access, hybrid coordination function control channel access) access, each round Only one pair of STAs that have established DLS can communicate with each other, and other STAs that have established DLS cannot communicate, resulting in waste of space.

Method used

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  • Method for spacial multiplex establishment by direct link, work station and control access point apparatus
  • Method for spacial multiplex establishment by direct link, work station and control access point apparatus
  • Method for spacial multiplex establishment by direct link, work station and control access point apparatus

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Experimental program
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Embodiment 1

[0055] This embodiment describes that in the case of one traffic channel, the AP determines the DLS links that can be polled at the same time according to the relationship information of the neighboring STAs reported by the STA, so that multiple DLS links can be polled at the same time, so that the corresponding pairs of STAs The process of realizing service interaction through the DLS link.

[0056] see image 3 , a schematic flow chart of DLS spatial multiplexing when using HCCA provided by the embodiment of the present invention, the specific steps include:

[0057] Step 301, the AP receives the DLS neighbor table reported by each STA. The DLS neighbor table contains the information of the STAs adjacent to the owner STA of the DLS neighbor table, such as the AID (AssociationID, association ID) or MAC (Media ID) of the adjacent STA. Access Control, media access control) address.

[0058] When an AP polls a STA in the non-contention period, the polled STA sends a broadcast ...

Embodiment 2

[0137] This embodiment describes the process in which the AP determines the DLS links that can be polled at the same time in the case of multiple service channels, realizes the simultaneous polling of multiple DLS links, and enables the corresponding multiple pairs of STAs to realize service interaction through the DLS links .

[0138] see Figure 5 , is a schematic flow chart of Embodiment 2 of the present invention, and the specific steps include:

[0139] Step 501 , when the AP needs to poll DLS links, it determines the number of DLS links that can be polled at the same time according to the number of currently available channels, and allocates traffic channels for these DLS links that can be polled at the same time.

[0140]The AP maintains a traffic channel state table, which records the current busy / idle state of each traffic channel. When the STA returns to the main channel after the service interaction completes and notifies the AP, the AP will record the status of t...

Embodiment 3

[0160] This embodiment describes that in the case of multiple service channels, the AP determines the DLS links that can be polled at the same time according to the number of available service channels and the relationship information of neighboring STAs reported by the STA, so as to realize the simultaneous polling of multiple DLS links , the process of enabling corresponding multiple pairs of STAs to implement service interaction through the DLS link.

[0161] see Figure 6 , is a schematic flow chart of Embodiment 3 of the present invention, and the specific steps include:

[0162] In step 601, the AP receives the DLS neighbor list reported by each STA. The DLS neighbor table includes information about STAs adjacent to the owner STA of the DLS neighbor table, such as the AID or MAC address of the adjacent STA.

[0163] Step 602 , when the AP needs to poll the DLS links, determine the DLS links that can be polled at the same time according to the number of currently availa...

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Abstract

The invention discloses a DLS (direct-link setup) space multiplexing method, and workstations and a control access point supporting the DLS. The method comprises the following steps: determining DLS links polled at the same time according to the number of the current idle service channels and / or information of adjacent workstations reported by the workstation; and transmitting a polling message, and indicating the DLS links polled at the same time in the polling message. The method can achieve DLC space multiplexing to simultaneously poll the plurality of DLS links, and the plurality of corresponding workstations can simultaneous carry out DLS service, thereby improving the space utilization rate of the system resources.

Description

technical field [0001] The invention relates to the field of communication, in particular to a method for establishing space multiplexing of a direct link, a workstation and a control access point device. Background technique [0002] The traditional WLAN (Wireless Local Area Network, wireless local area network) network includes two network forms, one is the BSS (Basic Service Set, Basic Service Set) network of the infrastructure; the other is the IBSS in the form of Ad hoc (self-organization) (Independent Basic Service Set, independent basic service set) network. The BSS includes a centralized control AP (Access Point, access point) and one or more STAs (Station, workstation). [0003] In the BSS, the STA joins the polling table when it associates with the AP, and the AP unicasts the CF-Poll (CF polling frame, which is a kind of data frame) in the CFP (Contention FreePeriod, non-contention period) to the polling table Each STA with non-competitive polling capability (CF ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/28H04L12/403
Inventor 单娜马慧
Owner HUAWEI TECH CO LTD
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