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Threads 1 to 19 of 19

Forum: FAQ

  1. Lightbulb Sticky Thread Sticky: Wireless Basic Concepts---Summary

    Some wireless basic concepts are summarized as below. You can click the title to access the corresponding answers. ●What Are the Main Differences Among 802.11a/b/g/n/ac/ac wave2 Standards? ●What kind of Interference Sources Are There in WLAN? ●What Is the Difference Between WLAN and...

    Started by TP-Link_Document‎, 01-12-2018 10:09
    wireless basic concepts
    • Replies: 0
    • Views: 1
    01-12-2018, 10:09 Go to last post
  1. Lightbulb Wireless Basic Concepts---What Is the Working Principle of 802.11n Short GI?

    Propagation delays often occurs in data transmission process and influence the capability of the wireless network. It can result from multiple factors, such as multipath effect. GI (Guard Interval) is intended to solve the problem based on delays, and Short GI is used to improve the throughput of...

    Started by TP-Link_Document‎, 01-12-2018 10:21
    wireless basic concepts
    • Replies: 3
    • Views: 4
    07-11-2018, 10:47 Go to last post
  2. Lightbulb Basic Wireless Concepts--What Are the Main Differences Among 802.11a/b/g/n/ac/ac wave2 Standards?

    The standards are summarized in following picture and vary in frequency band and rate.

    Started by TP-Link_Document‎, 12-25-2017 06:08
    • Replies: 3
    • Views: 4
    02-08-2018, 02:33 Go to last post
  3. Lightbulb Wireless Basic Concepts---What Are the Commonly-used Units in Wireless Signal Transmission?

    In wireless signal transmission, specialized units are used for different wireless parameters. These are introduced here. mW It is a measurement for transmission power. One mW is a thousandth of a Watt (W). The reason why we use mW instead of W to describe wireless transmission power is that...

    Started by TP-Link_Document‎, 01-12-2018 09:39
    • Replies: 0
    • Views: 1
    01-12-2018, 09:39 Go to last post
  4. Lightbulb Wireless Basic Concepts---What Is Band Steering Used for?

    Band Steering is an advanced wireless feature in TP-Link dual-band EAP and CAP products. If a station is capable of communicating on both the 2.4GHz and 5GHz frequency bands, it will typically connect to the 2.4 GHz band. However, if too many stations are connected to an AP on the 2.4 GHz...

    Started by TP-Link_Document‎, 01-12-2018 09:35
    band steering
    • Replies: 0
    • Views: 1
    01-12-2018, 09:35 Go to last post
  5. Lightbulb Wireless Basic Concepts---Does the Station Listen to Beacon Frames and Send/Receive Data Frames over One Channel?

    The station listens to management frames such as beacon frames over all channels. And when the data transmission channel is determined, the station sends and receives data frames over one specific channel. Note that the wireless device cannot send or receive the above frames at the same time...

    Started by TP-Link_Document‎, 01-12-2018 09:29
    wireless basic concepts
    • Replies: 0
    • Views: 1
    01-12-2018, 09:29 Go to last post
  6. Lightbulb Wireless Basic Concepts---What Is MCS in 802.11n and 802.11ac?

    In TP-Link Pharos series products, there is a wireless configuration option named Max TX Rate, and the options may include MCS1, MCS2 and so on in 802.11n and 802.11ac modes. MCS (Modulation and Coding Scheme) is mainly used to facilitate the maximum wireless rate configuration for 802.11n and...

    Started by TP-Link_Document‎, 01-12-2018 09:24
    • Replies: 0
    • Views: 1
    01-12-2018, 09:24 Go to last post
  7. Lightbulb Wireless Basic Concepts---What Are Beacon Interval, RTS Threshold and DTIM Period?

    In wireless products, there are some advanced wireless parameters to be configured, such as Beacon Interval, RTS Threshold and DTIM Period. For good performance of the wireless network, these advanced parameters should be properly configured. The following sections introduce the three parameters...

    Started by TP-Link_Document‎, 01-12-2018 09:20
    wireless basic concepts
    • Replies: 0
    • Views: 1
    01-12-2018, 09:20 Go to last post
  8. Lightbulb Wireless Basic Concepts---What Are the Common Wireless Encryption Methods? And What Are the Differences Between Them?

    The most widely used wireless encryption methods are WEP, WPA, and WAP2. ●WEP (Wired Equivalent Privacy) is a traditional encryption method, which is based on RC4 stream cipher algorithm. The station and the AP share a same WEP key to encrypt and decrypt the data. It has been proved that WEP...

    Started by TP-Link_Document‎, 01-12-2018 09:13
    • Replies: 0
    • Views: 1
    01-12-2018, 09:13 Go to last post
  9. Lightbulb Wireless Basic Concepts---Why Does the Overall Throughput Decrease When 802.11g, 802.11n and 802.11ac Are Used at the Same Time on the Wireless Network?

    Devices using different wireless protocols have different wireless transmission rates. Among the three protocols, 802.11g supports the lowest rate, and 802.11ac supports the highest rate. When there are several stations respectively using 802.11g, 802.11n and 802.11ac to communicate with an AP, the...

    Started by TP-Link_Document‎, 01-12-2018 09:08
    wireless basic concepts
    • Replies: 0
    • Views: 1
    01-12-2018, 09:08 Go to last post
  10. Lightbulb Wireless Basic Concepts---What is the Difference Between IEEE 802.11e and WMM?

    The early IEEE 802.11 standard does not support QoS (Quality of Service), meaning that all applications have equal opportunity to transmit data. That works well for applications such as web browser and email. But for delay-sensitive multimedia applications such as VoIP and video streaming, the...

    Started by TP-Link_Document‎, 01-12-2018 09:05
    • Replies: 0
    • Views: 1
    01-12-2018, 09:05 Go to last post
  11. Lightbulb Wireless Basic Concepts---What Are the Physical Rate, Theoretical Rate, and Actual Rate in the 802.11 Standard?

    ●Physical rate is the physical layer rate of a radio interface which continually sends data. For example, the physical rate of 802.11b is 11Mbit/s. ●Theoretical rate takes the following factors into account: packet header, checksum bits, link code, PLCP header, transmission delay and ACK frame...

    Started by TP-Link_Document‎, 01-12-2018 08:46
    • Replies: 0
    • Views: 1
    01-12-2018, 08:46 Go to last post
  12. Lightbulb Wireless Basic Concepts---What Does WLAN Rate Refer to?

    WLAN (wireless local area network) rate refers to the data transmission rate between two wireless devices. In a wireless network, devices work in half-duplex mode. This means they can send or receive data at the same time. The rate of sending data is called upstream rate, and the rate of receiving...

    Started by TP-Link_Document‎, 01-12-2018 08:38
    wireless basic concepts, wlan rate
    • Replies: 0
    • Views: 1
    01-12-2018, 08:38 Go to last post
  13. Lightbulb Wireless Basic Concepts---What Is the Difference Between ESS and BSS, and Between SSID, BSSID and ESSID? How Do They Relate to One Another?

    ●BSS (basic service set) provides a basic building-block of an 802.11 wireless network. It is a group of terminals working in the same basic service area. There are two types of BSS: Independent BSS (IBSS) and Infrastructure BSS. IBSS is also known as ad hoc BSS. Terminals in IBSS communicate with...

    Started by TP-Link_Document‎, 01-12-2018 08:22
    • Replies: 0
    • Views: 1
    01-12-2018, 08:22 Go to last post
  14. Lightbulb Wireless Basic Concepts---What is the Difference among HT20, HT40 and HT80?

    HT20 (High Throughput 20) means that the wireless devices working with 20MHz channel. Likewise, HT40 and HT80 use 40MHz and 80MHz channel respectively. By default, wireless devices use 20MHz channel. To improve the speed, HT40 broadens the bandwidth by binding two continuous 20MHz channels or...

    Started by TP-Link_Document‎, 01-12-2018 08:14
    ht20, ht40, ht80, wireless basic concepts
    • Replies: 0
    • Views: 1
    01-12-2018, 08:14 Go to last post
  15. Lightbulb Wireless Basic Concepts---What Are TDMA and MAXtream?

    ●TDMA (time division multiple access) is a digital transmission technology, and it is one part of Multiple Access technologies. TDMA divides time into periodic and non-overlapping frames, then divides each frame into several time slots. Each user in the network is allocated a fixed time slot, and...

    Started by TP-Link_Document‎, 01-12-2018 08:11
    maxtream, tdma, wireless basic concepts
    • Replies: 0
    • Views: 1
    01-12-2018, 08:11 Go to last post
  16. Lightbulb Wireless Basic Concepts---What Is Beamforming Technology?

    Beamforming is the combination of antenna technology and signal processing technology used in the MIMO system. It processes the signals sent by multiple antennas to generate a directional signal. As for receivers, beamforming produces a directional radiation pattern to adapt the signal from the...

    Started by TP-Link_Document‎, 01-12-2018 08:08
    • Replies: 0
    • Views: 1
    01-12-2018, 08:08 Go to last post
  17. Lightbulb Basic Wireless Concepts--- the Difference Between WLAN and Wi-Fi and How Do They Relate to Each Other?

    What Is the Difference Between WLAN and Wi-Fi and How Do They Relate to Each Other? ●WLAN is short for wireless local area network. It is a compliment to LAN (local area network). WLAN links several wireless devices by using the RF (Radio Frequency) technology and is mostly based on IEEE 802.11...

    Started by TP-Link_Document‎, 01-12-2018 07:57
    basic wireless concepts, wi-fi, wlan
    • Replies: 0
    • Views: 1
    01-12-2018, 07:57 Go to last post
  18. Lightbulb Basic Wireless Concepts---What Are MIMO and MU-MIMO?

    ● MIMO (Multiple-Input Multiple-Output) is a technique that was first introduced with the 802.11n standard to multiply the capacity of radio links. The MIMO system consists of multiple transmitting antennas and multiple receiving antennas. All the transmitting antennas forward data at the same...

    Started by TP-Link_Document‎, 12-27-2017 08:01
    • Replies: 5
    • Views: 6
    01-04-2018, 10:55 Go to last post
  19. Lightbulb Basic Wireless Concepts--What kind of Interference Sources Are There in WLAN?

    There are many kinds of wireless interference encountered in daily life. When deploying a wireless network, these interferences may influence the network capability. The interference sources and the methods to reduce their effects are explained below. ● In a large wireless network such as a...

    Started by TP-Link_Document‎, 12-25-2017 07:13
    basic wireless concepts, faq
    • Replies: 0
    • Views: 1
    12-25-2017, 07:13 Go to last post

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