METHOD AND APPARATUS FOR COMMUNICATION IN CELLULAR IOT NETWORK

• US 20180115344A1
• Filed: 05/18/2016
• Published: 04/26/2018
• Est. Priority Date: 05/18/2015
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Xue, Peng, Lee, Nam-Jeong, Jeong, Cheol, Ryu, Hyun-Seok, Chae, Sung Ho
• Granted Patent: US 10,187,111 B2
• Time in Patent Office: Days
• CPC Class Codes: H04B 1/713 using frequency hopping
• CPC Class Codes: H04L 5/0012 Hopping in multicarrier systems for frequency hopping in spread spectrum systems H04B1/713
• CPC Class Codes: H04L 5/0062 Avoidance of ingress interference, e.g. ham radio channels
• CPC Class Codes: H04L 65/40 Support for services or applications
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04W 4/70 Services for machine-to-machine communication [M2M] or machine type communication [MTC]
• CPC Class Codes: H04W 84/042 Public Land Mobile systems, e.g. cellular systems
• CPC Class Codes: H04W 88/08 Access point devices

Abstract

The present disclosure relates to a communication scheme and system which fuse a 5G communication system for supporting a higher data transfer rate than a 4G system with IoT technology, and a system thereof. The present disclosure may be applied to smart services such as smart homes, smart buildings, smart cities, smart cars or connected cars, healthcare, digital education, retail businesses, security and safety services, etc., based on 5G communication technologies and IoT related technologies. The communication method with a device according to the present invention comprises the steps of: transmitting information on frequency hopping settings to the device; and receiving, from the device, an uplink signal which hops frequencies according to the frequency hopping settings, wherein the frequency hopping settings are configured in a way that the uplink signal hops frequencies according to hopping patterns which hop according to frequency hopping steps, and to additional mirroring hopping patterns which are respectively inserted between the hopping patterns.

Claims

1. A method for communicating with a device, the method comprising:

transmitting information about a frequency hopping configuration to the device; and

receiving an uplink signal frequency-hopped according to the frequency hopping configuration from the device,

wherein the frequency hopping configuration is configured to frequency-hop the uplink signal according to a hopping pattern for hopping based on a hopping step and an additional mirroring hopping pattern inserted between hopping patterns.

2. The method according to claim 1, wherein the frequency hopping configuration is configured to prevent frequency hopping from causing segmentation of a set of bonded channels included in the uplink signal.

3. The method according to claim 1, wherein the frequency hopping is performed according to the following equations,

mk=Ich, if k=0

mk=(mk−

1+Δ

F)mod M, if 0<

k≤

L−

1, mod(k,j)≠

0

mk=(M−

mk−

1−

B)mod M, if 0<

k≤

L−

1, mod(k,j)=0

where k is an index of a time slot defined by a frequency hopping interval, L is a number of hopping intervals in a frequency hopping period, mk is an index of a channel in time slot k, Ich is an index of a channel for time slot 0 (k=0), M is a total number of channels across which the frequency hopping is performed, B is a number of a plurality of bonded channels, j is a number of hopping intervals between additional mirroring hopping patterns, and Δ

F is a frequency hopping step.

4. The method according to claim 1, wherein the information about the frequency hopping configuration is broadcast.

5. A base station (BS) comprising:

a transceiver; and

a processor coupled to the transceiver,

wherein the processor is configured to transmit information about a frequency hopping configuration to a device, and receive an uplink signal frequency-hopped according to the frequency hopping configuration from the device, and

wherein the frequency hopping configuration is configured to frequency-hop the uplink signal according to a hopping pattern for hopping based on a hopping step and an additional mirroring hopping pattern inserted between hopping patterns.

6. The BS according to claim 5, wherein the frequency hopping configuration is configured to prevent frequency hopping from causing segmentation of a set of bonded channels included in the uplink signal.

7. A communication method of a device, comprising:

receiving information about a frequency hopping configuration from a base station (BS); and

transmitting an uplink signal frequency-hopped according to the frequency hopping configuration to the BS,

wherein the frequency hopping configuration is configured to frequency-hop the uplink signal according to a hopping pattern for hopping based on a hopping step and an additional mirroring hopping pattern inserted between hopping patterns.

8. The communication method according to claim 7, wherein the frequency hopping configuration is configured to prevent frequency hopping from causing segmentation of a set of bonded channels included in the uplink signal.

9. A device for wireless communication, the device comprising:

a transceiver; and

a processor coupled to the transceiver,

wherein the processor is configured to receive information about a frequency hopping configuration from a base station (BS), and transmit an uplink signal frequency-hopped according to the frequency hopping configuration to the BS, and

wherein the frequency hopping configuration is configured to frequency-hop the uplink signal according to a hopping pattern for hopping based on a hopping step and an additional mirroring hopping pattern inserted between hopping patterns.

10. The device according to claim 9, wherein the frequency hopping configuration is configured to prevent frequency hopping from causing segmentation of a set of bonded channels included in the uplink signal.

11. A method for communicating with a device, the method comprising:

detecting collision between resource blocks related to data and resource blocks related to control information, the data and the control information being to be transmitted to the device; and

deferring transmission of resource blocks related to the data to after transmission of the resource blocks related to the control information.

12. The method according to claim 11, wherein the deferred transmission of the resource blocks related to the data is successive to the transmission of the resource blocks related to the control information.

13. The method according to claim 11, further comprising:

determining whether the number of collided resource blocks is equal to or larger than a threshold,

wherein the deferring of transmission of resource blocks related to the data to after transmission of the resources blocks related to the control information comprises, if the number of collided resource blocks is equal to or larger than the threshold, deferring the transmission of the resource blocks related to the data to after the transmission of the resources blocks related to the control information.

14. The method according to claim 13, further comprising, if the number of collided resource blocks is less than the threshold, transmitting the resource blocks related to the data and the resource blocks related to the control information, while ignoring the collision.

15. The method according to claim 13, further comprising, if the number of collided resource blocks is less than the threshold, discarding or puncturing collided resource blocks among the resource blocks related to the data.