Method and apparatus for communication
AssigneeMotorola, Inc.
InventorsMark Pecen, Niels Peter Skov Andersen, Michael Kotzin, Arnold Sheynman
Life of this patent
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Abstract
A method of compressed mode communications permits evaluation of one communication network while communicating in another communication network. User equipment devices (108, 110) are assigned to different portions of a frame during compressed mode.
Claims14
A method of operating a user equipment to measure and synchronize with one radio communication network while communicating with an other radio communication network, at least the other communication network being a framed communication network, the method comprising the steps of:
- communicating with the other communication network in a first portion of a frame;
- evaluating the first communication network during a second portion of the frame;
- and
- changing the portion of the frame where the communicating and evaluating occur over a sequence of compressed frames.
A method of assigning measurement and transmission portions within a frame of a framed communication system, comprising the steps of:
- determining the number of user equipment devices communicating in the first portion of a frame;
- determining the number of user equipment devices communicating in the second portion of a frame;
- and
- assigning a new user equipment to communicate in the one of the first and second portions having the fewest user equipment devices communicating.
A method of assigning measurement and transmission portions within a frame of a framed communication network wherein transmissions are compressed within the frame, comprising the steps of:
- determining to which of a first and second portion of a frame a last user equipment was assigned to communicate in compressed mode;
- and
- assigning a new user equipment to communicate in compressed mode in the one of the first and second portions of a frame that the last assigned user equipment was not assigned.
A method of allocating measurement and transmission portions within a frame of a framed communication system wherein transmissions are compressed within the frame, comprising the steps of:
- checking a deterministic parameter known to user equipment and a base station;
- communicating in compressed mode in first portion of the frame if the deterministic parameter has a first value;
- and
- transmitting in a second portion of the frame if the deterministic parameter has a second value.
The method according to claim 5, wherein the deterministic parameter is a bit of the IMEI.
A method of allocating measurement and transmission portions within a frame of a framed communication system wherein communications are compressed within the frame, comprising the steps of:
- producing a pseudo-random number known to a user equipment and a base station;
- and
- determining which frame portion communication takes place between the user equipment and base station frame-to-frame using a deterministic value in the pseudo-random number.
A method of allocating portions of a code division multiple access communication system, comprising the steps of:
- allocating a first portion of a frame to a first subscriber equipment using a first channel identification code to communicate in a first code division multiple access system;
- allocating a second portion of frame to a second subscriber equipment using the first channel identification code to communicate in the first system, wherein the first and second portions do not overlap, such that the same channel in a code division system can be used by two subscriber equipment devices for communications in the same system during a frame.
A user equipment device, comprising:
- a transceiver;
- and
- an uplink compressed mode controller operable to control transmissions via the transceiver to a first communication system during a first portion of a frame, and to control measurements of a second communication system during a second portion of the frame, wherein the uplink compressed mode controller selects the first and second portions according to a deterministic value.
A network for a cellular communication system, comprising:
- a transceiver;
- and
- an uplink compressed mode controller, wherein the uplink compressed mode controller allocates user equipment operating in compressed mode to first and second portions of a frame, and controls the transceiver to communicate the compressed mode assignment to the user equipment.
A network for a cellular communication system, comprising a transceiver;
- and
- an uplink compressed mode controller operable to control transmissions via the transceiver to a first communication network during a first portion of a frame, and to control measurements of a second communication network during a second portion of the frame, wherein the uplink compressed mode controller selects the first and second portions according to a deterministic value.
Dependencies are inferred from the claim text.