Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
167 words
An integrated office communication system which comprises a local area network (LAN) for transferring information between devices (1, 4, 6, 8, 10, 11, 12, 13) belonging to said office communication system, characterized in that it also comprises, connected to said local area network, - gateway equipment (1) to transfer information between said local area network (LAN) and a public cellular radio network, and - low-power base station equipment (4) to offer a radio interface for terminals (5) operating in a public cellular radio network, which radio interface is substantially identical with that provided by an ordinary base station (BS) in said public cellular radio network, which, ie. the gateway equipment (1), local area network (LAN) and low-power base station equipment (4), are arranged in a manner such that in the area of said office communication system a connection between said terminal (5) and said public cellular radio network is made via said low-power base station equipment (4), said local area network (LAN) and said gateway equipment (1).
Claim 2
Dependent Claim
41 words
The office communication system of claim 1, characterized in that it also comprises, connected to said local area network, a base station equipment (6) of a cordless communication system to provide an interface for terminals (7) of the cordless communication system.
Claim 3
Dependent Claim
30 words
The office communication system of claim 2, characterized in that said cordless communication system is one of the following: DECT (Digital European Cordless Telecommunications), CT-2, WCPE, PHS, HiperLAN, Wireless ATM.
Claim 4
Dependent Claim
39 words
The office communication system of any one of the preceding claims, characterized in that it further comprises, connected to said local area network, an infrared base station (8) to provide an interface for terminals (9) using an infrared link.
Claim 5
Dependent Claim
29 words
The office communication system of any one of the preceding claims, characterized in that it further comprises, connected to said local area network, users' personal computers or workstations (10).
Claim 6
Dependent Claim
45 words
The office communication system of any one of the preceding claims, characterized in that it also comprises, connected to said local area network, a gateway equipment (13) to provide a connection between said local area network (LAN) and a certain public wired communications network (ATM).
Claim 7
Dependent Claim
38 words
The office communication system of claim 6, characterized in that said public wired communications network (ATM) is one of the following: public switched telephone network, integrated services digital network (ISDN), asynchronous transfer mode (ATM) network, cable television network.
Claim 8
Dependent Claim
38 words
The office communication system of any one of the preceding claims, characterized in that from the point of view of said public cellular radio network it constitutes one location area (LA) for the location of mobile terminals (5).
Claim 9
Dependent Claim
39 words
The office communication system of any one of claims 1 to 7, characterized in that from the point of view of said public cellular radio network it constitutes several location areas (LA) for the location of mobile terminals (5).
Claim 10
Dependent Claim
39 words
The office communication system of any one of the preceding claims, characterized in that from the point of view of said public cellular radio network it constitutes one base station subsystem (BSS) for the location of mobile terminals (5).
Claim 11
Dependent Claim
54 words
The office communication system of any one of claims 1 to 9, characterized in that from the point of view of said public cellular radio network it constitutes several base station subsystems (BSS) for the location of mobile terminals (5), and includes at least one gateway equipment (1) for each base station subsystem (BSS).
Claim 12
Dependent Claim
80 words
The office communication system of any one of the preceding claims, characterized in that it includes at least one low-power base station equipment (14) to provide a radio interface for terminals (5) in its vicinity (HE), and the low-power base station equipment is located substantially farther away from said office communication system than its other low-power base station equipments (4) and is connected to said local area network via a certain gateway equipment (13) and certain public communications network (15).
Claim 13
Dependent Claim
30 words
The office communication system of any one of the preceding claims, characterized in that said public cellular radio network is one of the following: GSM, DCS1800, PCN, D-AMPS, JDC, PCS1900.
Claim 14
Dependent Claim
46 words
The office communication system of any one of the preceding claims, characterized in that the transmission power of said low-power base station equipments (4, 14) is from 1 µW to 1 mW, whereby the size of their coverage areas indoors is one or a few rooms.
Claim 15
Dependent Claim
31 words
The office communication system of any one of the preceding claims, characterized in that said local area network is one of the following: Ethernet®, Token Ring®, ATM network, FDDI, SMDS, DQDB.