Method and apparatus for signaling in multiple user one-slot...

Details Method and apparatus for signaling in multiple user one-slot... Method and apparatus for signaling in multiple user one-slot...

2011-07-12

2011-07-12

Wu, Jianye (Department: 2462)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Plural diverse modulation techniques

C370S314000, C370S442000, C375S238000

Reexamination Certificate

active

07978592

ABSTRACT:
Disclosed are multiple embodiments of method and apparatus to facilitate Multiple Users Reusing One Timeslot (MUROS) operation in wireless communications. A pair of wireless transmit/receive units (WTRUs) may be multiplexed onto a timeslot using a same pulse format. A WTRU may communicate on a network using MUROS technology both on the downlink (DL) and the uplink (UL), and may use a first pulse format on the DL and a second different pulse format on the UL. Pulse format support information to facilitate MUROS operation may be communicated between a network and a WTRU. The support information may be communicated in Radio Resource Control (RRC) messages. A network may allow for concurrent operation of WTRUs using different types of MUROS technology. For example, a network may include WTRUs using MUROS based on orthogonal sub-channels (OSC) while other WTRUs use MUROS based on an interference-canceling technology such as Downlink Advanced Receiver Performance (DARP) Phase I or Phase II.

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Nokia Siemens Netowrks et al., “Pulse Shape Signalling For EGPRS2B Uplink” 3GPP TSG-GERAN#37 Meeting, GP-080235, (Seoul, South Korea, Feb. 18-22, 2008).
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Nokia, “Voice Capacity Evolution With Orthogonal Sub Channel”, 3GPP TSG-GERAN Meeting #33, GP-070214, (Seoul, South Korea, Feb. 12-16, 2007).
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Telefon AB LM Ericsson, “Frequency Hopping Schemes For MUROS”, 3GPP TSG GERAN WG1 Ad Hoc, AGH1-080019, (Sophia Antipolis, France, Apr. 8-11, 2008).
Telefon AB LM Ericsson, “Link Performance of Orthogonal Sub Channels with Narrow Pulse Shaping Filter”, 3GPP TSG GERAN #36, GP-071721, Agenda Item 7.1.5.17, (Vancouver, Canada, Nov. 12-16, 2007).
Telefon AB LM Ericsson, “On Orthogonal Sub Channels”, 3GPP TSG GERAN #36 Meeting, GP-071720, (Vancouver, Canada, Nov. 12-16, 2007).
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