REPEATER SYSTEM FOR USE WITH 5G NEW RADIO BASE STATION
Embodiments of repeater systems (such as single-node repeaters and distributed antenna systems) suitable for use with 5G NR base stations are disclosed.
1 . A repeater system for use with a Fifth Generation (5G) New Radio (NR) base station that implements a 5G NR wireless interface and serves a 5G NR cell, the repeater system comprising:
at least one antenna connector to couple at least one external antenna to the repeater system;
repeater circuitry communicatively coupled to the at least one antenna connector, wherein the repeater circuitry is configured to:
receive a downlink signal output by the 5G NR base station for wireless transmission to 5G NR user equipment, generate an amplified version of the downlink signal, and wirelessly transmit the amplified version of the downlink signal into a coverage area associated with the repeater system; and
receive an uplink signal wirelessly transmitted by the 5G NR user equipment, generate an amplified version of the uplink signal, and communicate the amplified version of the uplink signal to the 5G NR base station;
wherein the repeater system is configured to implement:
a predetermined output power specification;
a predetermined frequency stability specification;
a predetermined out-of-band gain specification;
a predetermined unwanted emissions specification;
a predetermined Error Vector Magnitude specification;
a predetermined input intermodulation specification;
a predetermined output intermodulation specification; and
a predetermined Adjacent Channel Rejection Ratio specification.
2 . The repeater system of claim 1 , wherein at least one of the predetermined output power specification, the predetermined frequency stability specification, the predetermined out-of-band gain specification, the predetermined unwanted emissions specification, the predetermined Error Vector Magnitude specification, the predetermined input intermodulation specification, the predetermined output intermodulation specification, and the predetermined Adjacent Channel Rejection Ratio specification comprises a predetermined value, a predetermined range of predetermined values, or a predetermined threshold.
3 . The repeater system of claim 1 , wherein at least one of the predetermined output power specification, the predetermined frequency stability specification, the predetermined out-of-band gain specification, the predetermined unwanted emissions specification, the predetermined Error Vector Magnitude specification, the predetermined input intermodulation specification, the predetermined output intermodulation specification, and the predetermined Adjacent Channel Rejection Ratio specification is specified in a 3GPP specification.
4 . The repeater system of claim 1 , wherein the 5G NR wireless interface is implemented and the 5G NR cell is served using 5G NR time-division duplexing (TDD).
5 . The repeater system of claim 1 , wherein the 5G NR wireless interface is implemented and the 5G NR cell is served using 5G NR frequency-division duplexing (FDD).
6 . The repeater system of claim 1 , wherein the repeater system is configured to operate in a FR1 frequency range.
7 . The repeater system of claim 1 , wherein the repeater system is configured to implement a predetermined transmitter ON/OFF power specification.
8 . The repeater system of claim 7 , wherein a transmitter OFF power is −85 dBm/1 MHz.
9 . The repeater system of claim 1 , wherein the repeater system is configured to implement a predetermined transmitter transient period specification.
10 . The repeater system of claim 9 , wherein the predetermined transmitter transient period is less than 10 microseconds.
11 . The repeater system of claim 1 , wherein at least one of the predetermined output power specification, the predetermined frequency stability specification, the predetermined out-of-band gain specification, the predetermined unwanted emissions specification, the predetermined Error Vector Magnitude specification, the predetermined input intermodulation specification, the predetermined output intermodulation specification, and the predetermined Adjacent Channel Rejection Ratio specification is related to a corresponding specification for the 5G NR base station as specified in 3GPP TS38.104 and tested for 3GPP TS38.141-1.
12 . The repeater system of claim 1 , wherein the repeater system comprises a distributed antenna system (DAS), wherein the repeater circuitry is distributed across a main unit and a plurality of remote antenna units.
13 . The repeater system of claim 1 , wherein the repeater system comprises at least one of a digital DAS, an analog DAS, and a hybrid digital-analog DAS.
14 . The repeater system of claim 1 , wherein the repeater system comprises a single-node repeater.
15 . The repeater system of claim 1 , wherein the repeater system is further configured to implement a predetermined Adjacent Channel Leakage Ratio specification and a predetermined noise figure equivalent specification.
16 . A repeater system for use with a Fifth Generation (5G) New Radio (NR) base station that implements a 5G NR wireless interface and serves a 5G NR cell, the repeater system comprising:
one or more internal antennas; and
repeater circuitry communicatively coupled to the one or more internal antennas, wherein the repeater circuitry is configured to:
receive a downlink signal output by the 5G NR base station for wireless transmission to 5G NR user equipment, generate an amplified version of the downlink signal, and wirelessly transmit the amplified version of the downlink signal into a coverage area associated with the repeater system; and
receive an uplink signal wirelessly transmitted by the 5G NR user equipment, generate an amplified version of the uplink signal, and communicate the amplified version of the uplink signal to the 5G NR base station;
wherein the repeater system is configured to implement:
a predetermined over-the-air output power specification;
a predetermined over-the-air frequency stability specification;
a predetermined over-the-air out-of-band gain specification;
a predetermined over-the-air unwanted emissions specification;
a predetermined over-the-air Error Vector Magnitude specification;
a predetermined over-the-air input intermodulation specification;
a predetermined over-the-air output intermodulation specification; and
a predetermined over-the-air Adjacent Channel Rejection Ratio specification.
17 . The repeater system of claim 16 , wherein at least one of the predetermined over-the-air output power specification, the predetermined over-the-air frequency stability specification, the predetermined over-the-air out-of-band gain specification, the predetermined over-the-air unwanted emissions specification, the predetermined over-the-air Error Vector Magnitude specification, the predetermined over-the-air input intermodulation specification, the predetermined over-the-air output intermodulation specification, and the predetermined over-the-air Adjacent Channel Rejection Ratio specification comprises a predetermined value, a predetermined range of predetermined values, or a predetermined threshold.
18 . The repeater system of claim 17 , wherein at least one of the predetermined over-the-air output power specification, the predetermined over-the-air frequency stability specification, the predetermined over-the-air out-of-band gain specification, the predetermined over-the-air unwanted emissions specification, the predetermined over-the-air Error Vector Magnitude specification, the predetermined over-the-air input intermodulation specification, the predetermined over-the-air output intermodulation specification, and the predetermined over-the-air Adjacent Channel Rejection Ratio specification is specified in a 3GPP specification.
19 . The repeater system of claim 16 , wherein the 5G NR wireless interface is implemented and the 5G NR cell is served using 5G NR time-division duplexing (TDD).
20 . The repeater system of claim 16 , wherein the 5G NR wireless interface is implemented and the 5G NR cell is served using 5G NR frequency-division duplexing (FDD).
21 . The repeater system of claim 16 , wherein the repeater system is configured to operate in a FR1 frequency range.
22 . The repeater system of claim 16 , wherein the repeater system is configured to operate in a FR2 frequency range.
23 . The repeater system of claim 16 , wherein the repeater system is configured to operate in a FR1 frequency range and a FR2 frequency range.
24 . The repeater system of claim 16 , wherein the repeater system is configured to implement a predetermined transmitter ON/OFF power specification.
25 . The repeater system of claim 24 , wherein a transmitter OFF power is −85 dBm/1 MHz.
26 . The repeater system of claim 16 , wherein the repeater system is configured to implement a predetermined transmitter transient period specification.
27 . The repeater system of claim 26 , wherein the predetermined transmitter transient period is less than 10 microseconds.
28 . The repeater system of claim 16 , wherein at least one of the predetermined over-the-air output power specification, the predetermined over-the-air frequency stability specification, the predetermined over-the-air out-of-band gain specification, the predetermined over-the-air unwanted emissions specification, the predetermined over-the-air Error Vector Magnitude specification, the predetermined over-the-air input intermodulation specification, the predetermined over-the-air output intermodulation specification, and the predetermined over-the-air Adjacent Channel Rejection Ratio specification is related to a corresponding specification for the base station as specified in 3GPP TS38.104 and tested for 3GPP TS38.141-2.
29 . The repeater system of claim 16 , wherein the repeater system comprises a distributed antenna system (DAS), wherein the repeater circuitry is distributed across a main unit and a plurality of remote antenna units.
30 . The repeater system of claim 16 , wherein the repeater system comprises at least one of a digital DAS, an analog DAS, and a hybrid digital-analog DAS.
31 . The repeater system of claim 16 , wherein the repeater system comprises a single-node repeater.
32 . The repeater system of claim 16 , wherein the repeater system is further configured to implement a predetermined over-the-air Adjacent Channel Leakage Ratio specification and a predetermined over-the-air noise figure equivalent specification.