US Patent No: 5,729,541

Number of patents in Portfolio can not be more than 2000

System for transmitting packet data in radio telephone TDMA systems

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

The invention relates to a method for transmitting packet data in a cellular system. The number of time slots in a TDMA frame dedicated for packet transmission varies according to transmission needs and each logical channel consisting of corresponding time slots in consecutive TDMA frames is independent of the other logical channels. A data packet is encoded in an information channel frame consisting of N-1 information bursts, and between the frames there can be an acknowledge/retransmission request burst (ARQ) reporting that a received frame was error-free or requesting retransmission. Thus, the information channel consists of repeated sequences of N bursts. Also disclosed are the structure of a packet paging burst (PP), packet random access burst (PRA), packet access grant burst (PAG), acknowledge/retransmission request burst (ARQ) as well as the use of the bursts in starting and maintaining the transmission.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NOKIA MOBILE PHONES LTD.ESPOO1783

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hamalainen, Jari Tampere, FI 43 1574
Honkasalo, Zhi Chun Vantaa, FI 3 250
Jokinen, Harri Hiisi, FI 108 1834
Karppanen, Arto Helsinki, FI 16 392
Ling, Wang Millwood, NY 2 127

Cited Art

Patent Info (Count) # Cites Year
 
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Patent Citation Ranking

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