A local positioning system comprising: a passenger-request assembly (118, 420), comprising a passenger-request unit, a passenger control unit including a plurality of input devices, a reader assembly (123, 431) including a wireless communication tag reader and a transmitter; wherein the reader assembly is configured to read tag data from at least one wireless communication tag of a plurality of wireless communication tags disposed in spaced-apart fixed positions relative to a structure extending along an expanse when the reader assembly is disposed in the expanse proximate to the at least one wireless communication tag; wherein the passenger control unit is configured, when an input device on the passenger control unit is actuated, to send a passenger-service request to the passenger-request unit; wherein the passenger-request unit is configured to generate a passenger-request signal representative of the received passage-service request, including a seat identifier identifying a seat associated with the input device within a seat group, as well as the read tag data; wherein the transmitter is configured to wireless transmit the passenger-request signal; a passenger-service assembly (122, 444) comprising a passenger-service unit which controls, in response to a control signal, operation of various passenger service elements associated with a plurality of seats in a seat group and a receiver; and a data processing assembly configured to: receive the passenger-request signal; access a mapping of the plurality of wireless communication tags relative to the structure and determine a location of the reader assembly based on the read tag data, the mapping of the plurality of wireless communication tags relative to the structure, and the seat identifier in the passenger-request signal; generate a control signal based on the received passenger-request signal and the determined location; communicate the control signal to the passenger-service assembly (122, 144). a passenger-request assembly (118, 420), comprising a passenger-request unit, a passenger control unit including a plurality of input devices, a reader assembly (123, 431) including a wireless communication tag reader and a transmitter; wherein the reader assembly is configured to read tag data from at least one wireless communication tag of a plurality of wireless communication tags disposed in spaced-apart fixed positions relative to a structure extending along an expanse when the reader assembly is disposed in the expanse proximate to the at least one wireless communication tag; wherein the passenger control unit is configured, when an input device on the passenger control unit is actuated, to send a passenger-service request to the passenger-request unit; wherein the passenger-request unit is configured to generate a passenger-request signal representative of the received passage-service request, including a seat identifier identifying a seat associated with the input device within a seat group, as well as the read tag data; wherein the transmitter is configured to wireless transmit the passenger-request signal; wherein the reader assembly is configured to read tag data from at least one wireless communication tag of a plurality of wireless communication tags disposed in spaced-apart fixed positions relative to a structure extending along an expanse when the reader assembly is disposed in the expanse proximate to the at least one wireless communication tag; wherein the passenger control unit is configured, when an input device on the passenger control unit is actuated, to send a passenger-service request to the passenger-request unit; wherein the passenger-request unit is configured to generate a passenger-request signal representative of the received passage-service request, including a seat identifier identifying a seat associated with the input device within a seat group, as well as the read tag data; wherein the transmitter is configured to wireless transmit the passenger-request signal; a passenger-service assembly (122, 444) comprising a passenger-service unit which controls, in response to a control signal, operation of various passenger service elements associated with a plurality of seats in a seat group and a receiver; and a data processing assembly configured to: receive the passenger-request signal; access a mapping of the plurality of wireless communication tags relative to the structure and determine a location of the reader assembly based on the read tag data, the mapping of the plurality of wireless communication tags relative to the structure, and the seat identifier in the passenger-request signal; generate a control signal based on the received passenger-request signal and the determined location; communicate the control signal to the passenger-service assembly (122, 144). receive the passenger-request signal; access a mapping of the plurality of wireless communication tags relative to the structure and determine a location of the reader assembly based on the read tag data, the mapping of the plurality of wireless communication tags relative to the structure, and the seat identifier in the passenger-request signal; generate a control signal based on the received passenger-request signal and the determined location; communicate the control signal to the passenger-service assembly (122, 144).