US 2018/0124611 A1 · LBT TECHNIQUE FOR FREQUENCY REUSE IN COMMUNICATION SYSTEM USING UNLICENSED BAND

Abstract

The present invention relates to 5G or pre-5G communication system for supporting a higher data transmission rate after 4G communication system such as LTE. The present invention provides a method for transmitting data on the basis of a measurement of a channel of an unlicensed band in a mobile communication system, the method comprising the procedures of: selecting a random number for backoff counting; determining whether to decrement the random number by 1; decrementing the random number by 1 on the basis of the determining; determining whether the channel is idle by measuring the channel; completing the backoff counting if the random number becomes 0; and transmitting data by means of the channel if the backoff counting is completed.

Claims20

Dependent claims

A method for transmitting data on a channel in a licensed assisted access (LAA) system, the method comprising:

selecting a random number for counting;
determining whether to decrement the random number by 1;
decrementing the random number by 1 based on the determining;
determining whether the channel is idle by measuring the channel;
completing the counting if the random number becomes 0;
and
transmitting data through the channel after the counting is completed.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

15/565,394Filed 8 Apr 2016

Priority

9 Apr 2015

Published

3 May 2018

Term ends

Not estimatedThe source records don’t support an estimate.

Classification7 codes

H04W 16/14
Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures: spectrum sharing…
H04W 72/0453
Based on the type of the allocated resource: resources in frequency domain, e.g. a carrier in FDMA
H04W 74/0808
Non-scheduled access, e.g. ALOHA: using carrier sensing, e.g. carrier sense multiple access [CSMA]
H04W 74/0816
Using carrier sensing, e.g. carrier sense multiple access [CSMA]: with collision avoidance

Family

Application62/145,072Us provisional application · filed 9 Apr 2015

Application62/145,197Us provisional application · filed 9 Apr 2015

Application62/161,594Us provisional application · filed 14 May 2015

Application62/199,392Us provisional application · filed 31 Jul 2015

US 11,218,882 B2Related patent

US 2018/0124611 A1This patent

From the US filing history. Foreign family members aren’t listed.

Lbt technique for frequency reuse in communication system using unlicensed band

Life of this patent

Lbt technique for frequency reuse in communication system using unlicensed band

Life of this patent

Abstract

Claims20