Unlicensed band transmission

Patent metadata

Field	Value
Publication number	US-2016338019-A1
Application number	US-201415111270-A
Country	US
Kind code	A1
Filing date	Jan 31, 2014
Priority date	Jan 31, 2014
Publication date	Nov 17, 2016
Grant date	—

Abstract

Methods and apparatus, including computer program products, are provided for unlicensed transmission. In one aspect there is provided a method. The method may include receiving a resource allocation in terms of at least one of a time and a frequency; determining whether a measurement on the allocated frequency is required; performing the measurement on the allocated frequency, when the measurement on the allocated frequency is required; and transmitting on the allocated frequency, when the allocated frequency is clear based on the performed measurement. Related apparatus, systems, methods, and articles are also described.

First claim

1 - 20 . (canceled)

21 . A method, comprising:
receiving a resource allocation in terms of at least one of a time and a frequency; determining whether a measurement on the allocated frequency is required; performing the measurement on the allocated frequency, when the measurement on the allocated frequency is required; and transmitting on the allocated frequency, when the allocated frequency is clear based on the performed measurement.

22 . The method of claim 21 , wherein the resource allocation comprises a scheduling assignment allocating at least the frequency in an unlicensed frequency band.

23 . The method of claim 22 , wherein the scheduling assignment includes a request to make the measurement on the allocated frequency before at least one of the receiving, the determining, the performing, and the transmitting.

24 . The method of claim 23 , wherein the request to make the measurement is based on information on whether other transmitters exist on the allocated frequency.

25 . The method of claim 22 , wherein the scheduling assignment includes an indication to send a measurement report to a base station and/or via another channel during the transmitting.

26 . The method of claim 22 , wherein the scheduling assignment includes the resource allocation for a direct link to a base station and/or a link to another device.

27 . The method of claim 21 , wherein the transmitting on the allocated frequency occurs when the measurement is below a threshold and/or the measurement is not required.

28 . The method of claim 21 further comprising:
feeding back to a base station the measurement, when the measurement is above a threshold.

29 . The method of claim 21 , wherein the measurement comprises a reference signal, received power measurement, an estimated quality of service, and/or an interference level.

30 . An apparatus comprising:
at least one processor; and at least one memory including computer program code, the at least one processor, the at least one memory, and the computer program code configured to cause the apparatus to at least: receive a resource allocation in terms of at least one of a time and a frequency; determine whether a measurement on the allocated frequency is required; perform the measurement on the allocated frequency, when the measurement on the allocated frequency is required; and transmit on the allocated frequency, when the allocated frequency is clear based on the performed measurement.

31 . The apparatus of claim 30 , wherein the resource allocation comprises a scheduling assignment allocating at least the frequency in an unlicensed frequency band.

32 . The apparatus of claim 31 , wherein the scheduling assignment includes a request to make the measurement on the allocated frequency before at least one of the receiving, the determining, the performing, and the transmitting.

33 . The apparatus of claim 32 , wherein the request to make the measurement is based on information on whether other transmitters exist on the allocated frequency.

34 . The apparatus of claim 31 , wherein the scheduling assignment includes an indication to send a measurement report to a base station and/or via another channel during the transmitting.

35 . The apparatus of claim 31 , wherein the scheduling assignment includes the resource allocation for a direct link to a base station and/or a link to another device.

36 . The apparatus of claim 30 , wherein the transmitting on the allocated frequency occurs when the measurement is below a threshold and/or the measurement is not required.

37 . The apparatus of claim 30 , wherein the at least one memory including computer program code is further configured to, with the at least one processor, cause the apparatus to at least:
feedback to a base station the measurement, when the measurement is above a threshold.

38 . The apparatus of claim 30 , wherein the measurement comprises a reference signal, received power measurement, an estimated quality of service, and/or an interference level.

39 . A non-transitory computer-readable medium encoded with instructions that, when executed by at least one processor, causes operations comprising:
receiving a resource allocation in terms of at least one of a time and a frequency; determining whether a measurement on the allocated frequency is required; performing the measurement on the allocated frequency, when the measurement on the allocated frequency is required; and transmitting on the allocated frequency, when the allocated frequency is clear based on the performed measurement.

40 . The computer-readable medium of claim 39 , wherein the resource allocation comprises a scheduling assignment allocating at least the frequency in an unlicensed frequency band.

Assignees

• Nokia Technologies Oy

Inventors

• Ratasuk Rapeepat
• Uusitalo Mikko
• Mangalvedhe Nitin
• Li Zexian

Classifications

• H04W72/23 Primary

  in the downlink direction of a wireless link, i.e. towards a terminal · CPC title

• H04W72/0453

  Resources in frequency domain, e.g. a carrier in FDMA · CPC title

• H04W24/10

  Scheduling measurement reports {; Arrangements for measurement reports} · CPC title

• H04W16/14

  Spectrum sharing arrangements {between different networks} · CPC title

• H04W72/042 Primary

  Electricity · mapped topic