Examples of 'spreading codes' in a sentence
Meaning of "spreading codes"
spreading codes: This phrase can refer to the act of distributing or sharing coding information, such as programming instructions or cryptographic algorithms
How to use "spreading codes" in a sentence
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spreading codes
Chaotic spreading codes and their generation.
The radio network subsystem allocates the spreading codes.
Spreading codes for a satellite navigation system.
However such systems will be arranged to reuse spreading codes.
The spreading codes are also as orthogonal as possible within users.
Each user is assigned one of the spreading codes as a spreading function.
The spreading codes of neighbor cells may need to be included.
Knowledge of corresponding scrambling and spreading codes that are used is required.
The spreading codes of a certain level are always mutually orthogonal.
The first and second communications may use different spreading codes.
The spreading codes of a given level are always mutually orthogonal.
The combination of these leads to effectively distinct spreading codes at each cell.
The use of these five spreading codes is decided on a timeslot basis.
Simple block space time transmit diversity using multiple spreading codes.
In the actual system the spreading codes are naturally considerably longer.
See also
The invention provides increased user separation using a plurality of spreading codes.
These signals may be spreading codes in the same family of orthogonal codes.
Crosstalk can be reduced when channel response and spreading codes are known.
Several spreading codes can also be associated with a same user or a same service.
Lower data rate users are assigned spreading codes having a higher spreading factor.
Prior art decoding methods require furthermore knowledge of the value of the spreading codes.
The same or different spreading codes may be used for different types of data.
This document does not disclose any mapping between component streams and spreading codes.
Sets of channelization codes associated with different spreading codes are no longer mutually orthogonal.
Both channels can be separated from each other by despreading with orthogonal spreading codes.
CDMA uses spreading codes to distinguish data intended for different users.
The base station examines the received preamble for the unique spreading codes.
PN spreading codes can not be accurately removed without appropriate system timing or signal synchronization.
In CDMA systems radio resources may also be spreading codes.
The spreading codes are mutually orthogonal ;.
A radio channel over the air interfaz includes one or more CDMA spreading codes.
Examples of known spreading codes include the following,.
The WCDMA receiver synchronizes to the spread signal and correlates with the known spreading codes.
Determining whether the number of spreading codes exceeds a second threshold ;.
The satellite motion also introduces Doppler into the PN spreading codes.
Alternatively, the spreading codes may be delayed relative to the input signal.
Is a mean power associated with all the K spreading codes.
Similarly, two spreading codes are used to form complex spreading chip values.
SUMMARY A plurality of communication signals have differing spreading codes.
Determining whether a number of available spreading codes exceeds a second threshold ;.
Similarly, the spreading codes can be associated with distinct services available in the network.
As a result, the radio resources include spreading codes.
The use of spreading codes makes signals appear wide band and noise-like.
An example here is if receiver-oriented spreading codes would be used.
Semi-orthogonal spreading codes may also be utilized to achieve additional channelization over the air interfaz.
A method as claimed in claim 13 wherein said first and second communications use different spreading codes.
A communication system utilizing spreading codes in both uplink and downlink paths, the system comprising,.
According to a particular aspect of the invention, said spreading codes are Walsh codes.
The spreading codes C n ( ϕ c ) corresponding to the various different satellites Sat n, are quasi-perpendicular.
The transmitter uses direct-sequence spreading codes for spreading the digital bits in the time frame.
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