CARRIER SWAPPING FOR LTE-U (LTE-UNLICENSED SPECTRUM) METHOD AND APPARATUS

• US 20170013622A1
• Filed: 01/20/2015
• Published: 01/12/2017
• Est. Priority Date: 01/22/2014
• Status: Abandoned Application

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: TAYLOR, Carolyn
• Application Number:
  US15/113,673
• Publication Number:
  US 20170013622A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0073 Allocation arrangements that take into account other cell interferences for intercell interference mitigation or co-ordination in orthogonal multiplex systems H04J11/005
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 16/14 Spectrum sharing arrangements between different networks
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 36/04 Reselecting a cell layer in multi-layered cells
• CPC Class Codes: H04W 36/22 for handling the traffic
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/52 based on load
• CPC Class Codes: H04W 72/541 using the level of interference
• CPC Class Codes: H04W 8/24 Transfer of terminal data

Abstract

A wireless communication system includes a plurality of communication devices. The RF transceiver includes a transmitter and a plurality of receivers, each receiving signal from an associated communication device. A Enhanced Node B (eNB) can communicate with a plurality of communication devices in a Multiple-Input Multiple-Output (MIMO) system. The Node B includes a transmitter and plurality of antenna configured to transmit control information. The wireless communication system may utilize licensed and unlicensed RF spectrum. Long Term Evolution (LTE) is transmitted according to licensed and unlicensed spectrum. The invention deals with swapping between primary carrier and secondary carrier(s) for licensed and unlicensed spectrum.

Claims

1. A wireless communication method in a UE comprising:

measuring a network signal strength;

sending a measurement report; and

receiving a report to inform a serving cell of an interference capability of the UE and of measurements of signals received by the UE from the serving cell and a neighbor cell.

2. The method of claim 1, wherein the measuring is periodic.

3. The method of claim 1, further comprising setting a reporting configuration based on a condition, wherein the condition triggers the sending.

4. The method of claim 1, wherein the measuring occurs when no data is transmitted.

5. The method of claim 1, wherein the network signal strength is a network pilot signal strength.

6. The method of claim 1, wherein the UE is a multi-mode UE.

7. A method of measuring interference capability comprising:

transmitting a measurement for load capabilities and DL measurements;

receiving a request to report load capabilities and a measurement parameter;

determining the measurement parameter; and

generating and transmitting a report, wherein load capabilities and the measurement parameter is reported.

8. The method of claim 7, wherein the method is periodic.

9. The method of claim 7, further comprising receiving the report.

10. The method of claim 9, further comprising generating and sending the parameter.

11. The method of claim 9, further comprising generating and internally applying the parameter.

12. A wireless communication system comprising:

a primary carrier capable of controlling signaling, mobility, and user data;

a secondary carrier capable of providing best effort user data in downlink;

wherein a licensed and an unlicensed carrier between the primary carrier and the secondary carrier can be swapped for a UE.

13. A wireless communication system comprising:

a multi-mode UE haying a processor configured to promote measurements of a signal strength in the wireless communication system and run an application that increasingly demands higher data rates;

a primary component carrier, wherein the primary component carrier is a main carrier and is one of a licensed carrier and an unlicensed carrier;

a secondary component, wherein the secondary component is a secondary carrier and is one of a licensed carrier and an unlicensed carrier;

wherein the multi-mode UE determines the primary component carrier according to loading on the carriers; and

wherein the multi-mode UE swaps between a licensed carrier and an unlicensed carrier.

14. The wireless communication system of claim 13, wherein the primary component carrier is configured to be UE-specific and determined according to loading on the carriers;

15. The wireless communication system of claim 13, further comprising a transmitter for sending a periodic measurement to track and monitor traffic load performance.