The embodiment of the invention discloses a method and a device for data transmission, the method includes: meet competition resources conditions, the first choice of competitive resources; the first data transmission through the first resource competition; according to the preset criteria when judging whether the first data transmission failure and satisfy the use of competition resources when the second competitive resources according to the selection criteria of presupposition; second data transmission through the second resource competition. Through the invention, the transmission success ratio is improved.
【技术实现步骤摘要】
【技术保护点】
１．一种数据传输的方法，其特征在于，包括：满足使用竞争资源的条件时，选择第一竞争资源；通过所述第一竞争资源进行第一数据传输；当根据预设的判断准则判断所述第一数据传输失败且满足使用竞争资源的条件时，按照预设的选择准则选择第二竞争资源；通过所述第二竞争资源进行第二数据传输。
【技术特征摘要】
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