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Configuration Guide - WLAN-AC

S5700 and S6720 V200R012C00

This document describes the configurations of WLAN, including WLAN Service Configuration, Radio Resource Management, Roaming, WLAN QoS, WLAN Security, WDS, Mesh, Location, Hotspot 2.0, Dual-Link Cold Backup, N+1 Backup.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of the Smart Retail IoT Solution - ESL

Overview of the Smart Retail IoT Solution - ESL

Scenario Overview

In shopping malls, supermarkets, and other retail scenarios, many stores use printed shelf labels to mark commodity prices. This mode has disadvantages as follows:
  • Manual label maintenance has high costs and low efficiency.
  • Manual label maintenance is prone to errors, which may lead to customer complaints.

To address these problems, Huawei offers the Smart Retail-Electronic Shelf Label (ESL) Solution. In this solution, ESLs are used instead of printed labels, and ESL information is maintained and updated in a background ESL management system.

Solution Benefits

This solution provides the following benefits:
  • Reduces ESL maintenance and update costs, saves shelf label update costs, and increases business profits.

  • Implements automatic ESL management, and improves management and maintenance efficiency.

  • Minimizes the maintenance error rate and reduces customer complaints.

  • Reuses a WLAN as an ESL network, reducing the ESL network deployment and maintenance costs, and facilitating central network management by administrators.

Networking Architecture

As shown in Figure 23-1, the networking architecture of the ESL Solution consists of the terminal, access, pipe, and service application layers.
Figure 23-1  Networking architecture

  • Terminal layer

    ESLs installed on shelves are deployed at this layer.

    ESLs, typically made of electronic paper or liquid crystal displays (LCDs), display commodity information. ESLs with built-in radio modules automatically obtain ESL information over radios from the AP, and update information to be displayed.

  • Access layer

    ESL cards are deployed at this layer.

    An ESL card is a type of Internet of Things (IoT) cards used in the ESL Solution. ESL cards are used to receive and cache ESL update tasks delivered by the ESL management system.

  • Pipe layer

    Network devices such as APs, ACs, and switches are deployed at this layer.

    The pipe layer only forwards packets from ESLs and ensures interworking between the ESL cards and ESL management system, but does not parse or handle the packets. APs at the bottom of the pipe layer provide slots for ESL cards.

  • Service application layer

    The Enterprise Resource Planning (ERP) system and ESL management system are deployed at this layer.

    The ERP system is a business management software integrating physical resource management (logistics), human resources management (HR flows), and financial resource management (financial flows), and information resource management (information flows). In scenarios where ESLs are used, an ERP system is typically used to manage commodity prices.

    An ESL management system consists of an ESL server and a system platform, and is interconnected with an ERP system to synchronize data from the ERP system and deliver ESL update tasks to ESL cards. The ESL server manages ESL cards, ESLs, and ESL update plans, and provides a graphical user interface (GUI).

Involved Products

Table 23-1  Involved products

Device

Function

Vendor

AP

It provides slots for ESL cards.

Huawei

Currently, only the AP4050DN-E and AP7060DN provide such slots.

AC

It manages and delivers configurations to APs, and works together with the APs.

Huawei

ESL

It is installed on a shelf to display commodity information.

Century

Switch

It is used to build a networking structure and forward packet data on the network.

Huawei

ESL card

It exchanges packets with ESLs, receives and caches ESL update tasks delivered by an ESL server, and delivers the tasks to ESLs for update.

Century

ESL server

It is interconnected with an ERP system to manage ESL cards and ESLs. In this solution, the ESL server is provided by Century.

Century

Handheld scanner

It is used to scan commodity codes and ESL IDs. Commodity codes and ESL IDs are associated automatically after being scanned. In this solution, handheld scanners are provided by Century.

Century

ERP system

It is used to manage commodity prices.

Customer

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Updated: 2018-12-24

Document ID: EDOC1100038361

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