# US 10,771,226 B2 · Method for limiting spurious emission and user equipment performing the method

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- Number: US 10,771,226 B2
- Document ID: US10771226B2
- Status: Granted
- Kind: B2
- Application number: 16/139,653
- Filed: 2018-09-24
- Published: 2019-08-22
- Granted: 2020-09-08
- Earliest claimed: 2018-02-19
- Assignees: LG Electronics Inc.
- Applicants: LG Electronics Inc.
- Inventors: Suhwan Lim; Sangwook Lee; Jaehyuk Jang; Manyoung Jung
- Web page: https://patentgrep.com/patent/US10771226B2

## CPC

- H04B 15/04: the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04L 5/0066: {Requirements on out-of-channel emissions}
- H04B 15/00: Suppression or limitation of noise or interference (by means associated with receiver H04B1/10)
- H04J 11/003: {at the transmitter (transmission to multiple receive units in multiple input multiple output [MIMO] H04B7/0452; transmit antenna weighting H04B7/0615)}
- H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals}
- H04L 5/0073: {Allocation arrangements that take into account other cell interferences}
- H04L 5/14: Two-way operation using the same type of signal, i.e. duplex
- H04W 28/065: {using assembly or disassembly of packets}
- H04W 72/0446: Resources in time domain, e.g. slots or frames
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04L 5/001: {the frequencies being arranged in component carriers}
- H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH}
- H04B: TRANSMISSION
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S)
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

There is provided a method for limiting a spurious emission, the method performed by a user equipment (UE) and comprising: configuring a transceiver of the UE to use an operating band 71; and determining at least one operating band to be protected among a plurality of operating band, wherein if the determined operating band to be protected is an operating band 29, a maximum level of spurious emission is limited to −38 dBm for protecting other UE using the operating band 29.

## Claims

### Claim 1

A method for limiting a spurious emission in a wireless communication system, the method performed by a user equipment (UE) and comprising:
configuring a transceiver of the UE to use an operating band 71; and
transmitting an uplink signal on an uplink band of the operating band 71,
wherein based on an operating band 29 to be protected from the uplink signal, a maximum level of spurious emission is limited to −38 dBm for protecting at least one other UE using the operating band 29.

### Claim 2 (depends on 1)

The method of claim 1,
wherein the operating band 71 includes an uplink operating band of 663 MHz to 698 MHz, and
wherein the operating band 29 includes a downlink operating band of 717 MHz to 728 MHz.

### Claim 3 (depends on 2)

The method of claim 2,
wherein the operating band 71 includes a downlink operating band of 617 MHz to 652 MHz.

### Claim 4 (depends on 1)

The method of claim 1,
wherein the operating band 29 is defined for an Evolved UMTS Terrestrial Radio Access (E-UTRA).

### Claim 5 (depends on 1)

The method of claim 1,
wherein the operating band 71 is defined for Evolved UMTS Terrestrial Radio Access (E-UTRA).

### Claim 6 (depends on 1)

The method of claim 1,
wherein the operating band 71 corresponds to operating band n71, which is defined for New Radio (NR).

### Claim 7 (depends on 1)

The method of claim 1 further comprising,
determining at least one operating band to be protected from the uplink signal among a plurality of operating bands,
wherein based on the determined operating band to be protected from the uplink signal being the operating band 19, the maximum level of spurious emission is limited to −38 dBm for protecting the at least one other UE using the operating band 29.

### Claim 8

A User Equipment (UE) configured to limit a spurious emission in a wireless communication system, the UE comprising:
a transceiver;
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
configuring the transceiver of the UE to use an operating band 71; and
transmitting, through the transceiver, an uplink signal on an uplink band of the operating band 71,
wherein based on an operating band 29 to be protected from the uplink signal, a maximum level of spurious emission is limited to −38 dBm for protecting at least one other UE using the operating band 29.

### Claim 9 (depends on 8)

The UE of claim 8,
wherein the operating band 71 includes an uplink operating band of 663 MHz to 698 MHz, and
wherein the operating band 29 includes a downlink operating band of 717 MHz to 728 MHz.

### Claim 10 (depends on 9)

The UE of claim 9,
wherein the operating band 71 includes a downlink operating band of 617 MHz to 652 MHz.

### Claim 11 (depends on 8)

The UE of claim 8,
wherein the operating band 29 is defined for an Evolved UMTS Terrestrial Radio Access (E-UTRA).

### Claim 12 (depends on 8)

The UE of claim 8,
wherein the operating band 71 is defined for Evolved UMTS Terrestrial Radio Access (E-UTRA).

### Claim 13 (depends on 8)

The UE of claim 8,
wherein the operating band 71 corresponds to operating band n71, which is defined for New Radio (NR).

### Claim 14 (depends on 8)

The UE of claim 8, wherein the operations further comprise:
determining at least one operating band to be protected from the uplink signal among a plurality of operating bands,
wherein based on the determined operating band to be protected from the uplink signal being the operating band 19, the maximum level of spurious emission is limited to −38 dBm for protecting the at least one other UE using the operating band 29.

### Claim 15

A processing apparatus configured to control a User Equipment (UE) to limit a spurious emission in a wireless communication system, the processing apparatus comprising:
at least one processor; and
at least one computer memory operably connectable to the at least one processor and storing instructions that, based on being executed by the at least one processor, perform operations comprising:
configuring a transceiver of the UE to use an operating band 71; and
transmitting, through the transceiver, an uplink signal on an uplink band of the operating band 71,
wherein based on an operating band 29 to be protected from the uplink signal, a maximum level of spurious emission is limited to −38 dBm for protecting at least one other UE using the operating band 29.

### Claim 16 (depends on 15)

The processing apparatus of claim 15,
wherein the operating band 71 includes an uplink operating band of 663 MHz to 698 MHz, and
wherein the operating band 29 includes a downlink operating band of 717 MHz to 728 MHz.

### Claim 17 (depends on 16)

The processing apparatus of claim 16,
wherein the operating band 71 includes a downlink operating band of 617 MHz to 652 MHz.

### Claim 18 (depends on 15)

The processing apparatus of claim 15,
wherein at least one of the operating band 29 or the operating band 71 is defined for an Evolved UMTS Terrestrial Radio Access (E-UTRA).

### Claim 19 (depends on 15)

The processing apparatus of claim 15,
wherein the operating band 71 corresponds to operating band n71, which is defined for New Radio (NR).

### Claim 20 (depends on 15)

The processing apparatus of claim 15, wherein the operations further comprise:
determining at least one operating band to be protected from the uplink signal among a plurality of operating bands,
wherein based on the determined operating band to be protected from the uplink signal being the operating band 19, the maximum level of spurious emission is limited to −38 dBm for protecting the at least one other UE using the operating band 29.