Method and apparatus for transmitting vocoded information

Details Method and apparatus for transmitting vocoded information Method and apparatus for transmitting vocoded information

2005-06-14

2005-06-14

Pham, Chi (Department: 2663)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S428000

Reexamination Certificate

active

06907043

ABSTRACT:
The embodiments disclosed provide a manner of transmitting voice information that strikes an improved balance between voice quality and RF capacity in a CDMA dispatch environment. In general, two half-rate vocoder frames (201and202) are assembled into a single full rate transmit frame (200) to enable the transmission of alternating full-rate frames. Additionally, an individual CRC (203and204) is provided for each half-rate frame within the transmit frame to allow for partial recovery when frame corruption or erasure occurs. In this manner, system capacity is improved, particularly in the CDMA dispatch environment, while preserving voice quality.

REFERENCES:
patent: 4942570 (1990-07-01), Kotzin et al.
patent: 5606569 (1997-02-01), MacDonald et al.
patent: 5715526 (1998-02-01), Weaver et al.
patent: 6081919 (2000-06-01), Fujiwara et al.
patent: 6222830 (2001-04-01), Padovani et al.
patent: 6400724 (2002-06-01), Yao
patent: 6445696 (2002-09-01), Foodeei et al.
patent: 2003/0099240 (2003-05-01), Lee

Affiliated with

Also associated with

Rating

Method and apparatus for transmitting vocoded information does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for transmitting vocoded information, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for transmitting vocoded information will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3506694