CONFIGURING A REPEATER SYSTEM ACCORDING TO CONFIGURATION OF BASE STATION
The present disclosure describes various techniques of automatically configuring a repeater system. In one embodiment, the techniques of present disclosure configure the repeater system as a dummy user equipment and connect to a cell served by a base station coupled to the repeater system and establish two-way communication between the repeater system and the base station for determining one or more signaling parameters related to the configuration of the base station. In another non-limiting embodiment, the techniques of the present disclosure operate the repeater system in a listener only mode and perform various signal processing/calculations to determine the one or more signaling parameters related to the configuration of the base station. Once the one or more signaling parameters are determined, the techniques of the present disclosure may configure the repeater system based at least in part on the one or more signaling parameters.
1 . A method of configuring a repeater system, the method comprising:
receiving a first downlink signal from at least one base station (BS) serving a cell;
determining a first set of parameters related to configuration of the at least one BS based at least in part on the first downlink signal;
configuring the repeater system as a dummy user equipment (UE) for connecting to the cell and establishing two-way communication between the repeater system and the at least one BS;
exchanging information between the repeater system and the at least one BS as a part of connecting to the cell and establishing the two-way communication between the repeater system and the at least one BS, wherein exchanging the information between the repeater system and the at least one BS comprises receiving a second downlink signal from the at least one BS;
determining a second set of parameters related to the configuration of the at least one BS based on the first set of parameters and the second downlink signal; and
configuring the repeater system based at least in part on the first and the second sets of parameters for serving one or more UEs of the cell.
2 . The method of claim 1 , wherein the first downlink signal comprises a Master Information Block (MIB).
3 . The method of claim 1 , wherein the second downlink signal comprises a Radio Resource Control (RRC) Connection Reconfiguration message.
4 . The method of claim 1 , wherein configuring the repeater system based at least in part on the first and second sets of parameters comprises:
determining Time-division duplexing (TDD) patterns associated with the at least one BS for serving the one or more UEs of the cell based on one or more of the first and second sets of parameters; and
aligning TDD patterns of the repeater system in accordance with the determined TDD patterns of the at least one BS.
5 . The method of claim 1 , wherein the repeater system comprises at least one of:
a distributed antenna system (DAS) comprising a master unit and a plurality of remote units communicatively coupled with the master unit either directly or via one or more expansion units;
a virtualized DAS; and
a single or multi node repeater.
6 . The method of claim 1 , wherein the at least one BS comprises at least one of: a Fifth Generation (5G) New Radio (NR) base station (gNB) and a fourth generation (4G) Long Term Evolution (LTE) base station (eNB).
7 . A method of configuring a repeater system, the method comprising:
receiving a first downlink signal from at least one base station (BS) serving a cell;
determining a first set of parameters related to configuration of the at least one BS based at least in part on the first downlink signal;
determining a cell identity corresponding to the cell served by the at least one BS;
determining a second set of parameters related to the configuration of the at least one BS while operating the repeater system in a listener only mode, wherein determining the second set of parameters comprises:
determining a first subset of parameters of the second set of parameters by correlating at least one reference signal generated using the determined cell identity with one or more reference signals transmitted by the at least one BS;
determining a second subset of parameters of the second set of parameters based at least on the first subset of parameters and the first set of parameters; and
determining a third subset of parameters of the second set of parameters based at least on the first and second subsets of parameters and uplink and downlink signals received by the repeater system; and
configuring the repeater system based at least in part on the first and the second sets of parameters for serving one or more UEs of the cell.
8 . The method of claim 7 , further comprising:
determining a fourth subset of parameters of the second set of parameters by monitoring transmissions of Synchronization Signal Blocks (SSBs) within a predefined time window, wherein the fourth subset of parameters comprises SSB periodicity.
9 . The method of claim 7 , wherein the first downlink signal comprises a Master Information Block (MIB).
10 . The method of claim 7 , wherein determining the cell identity corresponding to the cell served by the at least one BS comprises determining the cell identity by decoding a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS) received from the at least one BS.
11 . The method of claim 7 , wherein the one or more reference signals comprise a Demodulation Reference Signal (DMRS), a Phase Tracking Reference Signal (PTRS), a Channel State Information Reference Signal (CSI-RS), and a Tracking Reference Signal (TRS).
12 . The method of claim 7 , wherein configuring the repeater system based at least in part on the first and second sets of parameters comprises:
determining Time-division duplexing (TDD) patterns associated with the at least one BS for serving the one or more UEs of the cell based at least on the third subset of parameters; and
aligning TDD patterns of the repeater system in accordance with the determined TDD patterns of the at least one BS.
13 . The method of claim 7 , wherein the repeater system comprises at least one of:
a distributed antenna system (DAS) comprising a master unit and a plurality of remote units communicatively coupled with the master unit either directly or via one or more expansion units;
a virtualized DAS; and
a single or multi node repeater.
14 . The method of claim 7 , wherein the at least one BS comprises at least one of: a Fifth Generation (5G) New Radio (NR) base station (gNB); and a fourth generation (4G) Long Term Evolution (LTE) base station (eNB).
15 . A repeater system, comprising:
processing circuitry configured to:
receive a first downlink signal from at least one base station (BS) serving a cell;
determine a first set of parameters related to configuration of the at least one BS based at least in part on the first downlink signal;
configure the repeater system as a dummy user equipment (UE) for connecting to the cell and establishing two-way communication between the repeater system and the at least one BS;
exchange information between the repeater system and the at least one BS as a part of connecting to the cell and establishing the two-way communication between the repeater system and the at least one BS, wherein exchanging the information between the repeater system and the at least one BS comprises receiving a second downlink signal from the at least one BS;
determine a second set of parameters related to the configuration of the at least one BS based on the first set of parameters and the second downlink signal; and
configure the repeater system based at least in part on the first and the second sets of parameters for serving one or more UEs of the cell.
16 . The repeater system of claim 15 , wherein the first downlink signal comprises a Master Information Block (MIB).
17 . The repeater system of claim 15 , wherein the second downlink signal comprises a Radio Resource Control (RRC) Connection Reconfiguration message.
18 . The repeater system of claim 15 , wherein to configure the repeater system based at least in part on the first and second sets of parameters, the processing circuitry is configured to:
determine Time-division duplexing (TDD) patterns associated with the at least one BS for serving the one or more UEs of the cell based on one or more of the first and second sets of parameters; and
align TDD patterns of the repeater system in accordance with the determined TDD patterns of the at least one BS.
19 . The repeater system of claim 15 , wherein the repeater system comprises at least one of:
a distributed antenna system (DAS) comprising a master unit and a plurality of remote units communicatively coupled with the master unit either directly or via one or more expansion units;
a virtualized DAS; and
a single or multi node repeater.
20 . The repeater system of claim 15 , wherein the at least one BS comprises a Fifth Generation (5G) New Radio (NR) base station (gNB) and a fourth generation (4G) Long Term Evolution (LTE) base station (eNB).
21 . A repeater system, comprising:
a processing circuitry configured to:
receive a first downlink signal from at least one base station (BS) serving a cell;
determine a first set of parameters related to configuration of the at least one BS based at least in part on the first downlink signal;
determine a cell identity corresponding to the cell served by the at least one BS;
determine a second set of parameters related to the configuration of the at least one BS while operating the repeater system in a listener only mode, wherein to determine the second set of parameters, the processing circuitry is configured to:
determine a first subset of parameters of the second set of parameters by correlating at least one reference signal generated using the determined cell identity with one or more reference signals transmitted by the at least one BS;
determine a second subset of parameters of the second set of parameters based at least on the first subset of parameters and the first set of parameters; and
determine a third subset of parameters of the second set of parameters based at least on the first and second subsets of parameters and uplink and downlink signals received by the repeater system; and
configure the repeater system based at least in part on the first and the second sets of parameters for serving one or more UEs of the cell.
22 . The repeater system of claim 21 , wherein the processing circuitry is further configured to:
determine a fourth subset of parameters of the second set of parameters by monitoring transmissions of Synchronization Signal Blocks (SSBs) within a predefined time window, wherein the fourth subset of parameters comprises SSB periodicity.
23 . The repeater system of claim 21 , wherein the first downlink signal comprises a Master Information Block (MIB).
24 . The repeater system of claim 21 , wherein to determine the cell identity corresponding to the cell served by the at least one BS, the processing circuitry is configured to determine the cell identity by decoding a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS) received from the at least one BS.
25 . The repeater system of claim 21 , wherein the one or more reference signals comprise a Demodulation Reference Signal (DMRS), a Phase Tracking Reference Signal (PTRS), a Channel State Information Reference Signal (CSI-RS), and a Tracking Reference Signal (TRS).
26 . The repeater system of claim 21 , wherein to configure the repeater system based at least in part on the first and second sets of parameters, the repeater system is configured to:
determine Time-division duplexing (TDD) patterns associated with the at least one BS for serving the one or more UEs of the cell based at least on the third subset of parameters; and
align TDD patterns of the repeater system in accordance with the determined TDD patterns of the at least one BS.
27 . The repeater system of claim 21 , wherein the repeater system comprises at least one of:
a distributed antenna system (DAS) comprising a master unit and a plurality of remote units communicatively coupled with the master unit either directly or via one or more expansion units;
a virtualized DAS; and
a single or multi node repeater.
28 . The repeater system of claim 21 , wherein the at least one BS comprises a Fifth Generation (5G) New Radio (NR) base station (gNB) and a fourth generation (4G) Long Term Evolution (LTE) base station (eNB).