30.311 Allicdata Electronics
Allicdata Part #:

30.311-ND

Manufacturer Part#:

30.311

Price: $ 2.86
Product Category:

Uncategorized

Manufacturer: Altech Corporation
Short Description: TERM PLUG 11 P 5MM GRY 9A 150V
More Detail: N/A
DataSheet: 30.311 datasheet30.311 Datasheet/PDF
Quantity: 1000
20 +: $ 2.59308
Stock 1000Can Ship Immediately
$ 2.86
Specifications
Series: *
Part Status: Active
Description

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30.311 is a standard for a variety of wireless applications operating in the 2.4 GHz Industrial, Scientific and Medical (ISM) band. This frequency band is unlicensed which means that anyone is allowed to use it without a license. However, due to the congested nature of the 2.4 GHz band it is vital for any wireless application to follow the rules and regulations outlined by the 30.311 standard.

The applications for 30.311 are varied, ranging from low power and low data rate wireless sensor networks to high speed and high throughput cellular data systems. In particular, 30.311 is commonly used for wireless hand held customer terminal applications such as point of sale (POS) systems, wireless keyboards and mice, 802.11b and 802.11g based communications devices, and low power embedded control systems. 30.311 is also used for high rate wireless data transmission systems such as digital radio broadcasting, digital camera systems, and wireless video and audio streaming. Lastly, 30.311 is used for low power wireless sensor networks such as environmental monitoring and remote control applications.

The working principle of 30.311 is based on the concept of spectrum sharing between different types of users. 30.311 allows for multiple users to share the same 2.4 GHz band while still ensuring that users have a fair chance of using the spectrum. This is accomplished by implementing a number of techniques such as Frequency Hopping Spread Spectrum (FHSS) and Direct Sequence Spread Spectrum (DSSS). FHSS and DSSS both employ the use of spreading codes to spread the signal out over a large frequency band. This prevents users from interfering with each other and ensures that each user has a fair chance of using the spectrum.

In addition to the use of spreading codes, 30.311 also mandates the use of transmit power control (TPC). This enables users to transmit at the lowest power necessary to maintain a connection. This prevents users from interfering with each other and also helps to ensure that users do not exceed the maximum allowable transmit power levels. These power levels are set in order to make sure that interference is minimized and that the channel remains usable for all users.

Finally, 30.311 also requires the use of Link Quality Indication (LQI) and Packet Error Ratio (PER) systems. These systems allow users to monitor their link quality in order to ensure that they are maintaining a connection with the highest level of quality. This helps to ensure that users are receiving data in an error free manner.

In conclusion, 30.311 is a valuable standard for a variety of applications operating in the 2.4 GHz ISM band. Its use of FHSS, DSSS, TPC, and LQI/PER systems allow users to share the spectrum in a fair and efficient manner. This ensures that all users have a fair chance of using the spectrum without causing interference to other users.

The specific data is subject to PDF, and the above content is for reference

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